diff options
Diffstat (limited to 'mesalib/src/glsl')
132 files changed, 67549 insertions, 9276 deletions
diff --git a/mesalib/src/glsl/Makefile b/mesalib/src/glsl/Makefile index ca7f2d2ac..47ac42667 100644 --- a/mesalib/src/glsl/Makefile +++ b/mesalib/src/glsl/Makefile @@ -1,15 +1,184 @@ -# src/glsl/Makefile +#src/glsl/pp/Makefile TOP = ../.. include $(TOP)/configs/current -SUBDIRS = pp cl apps +LIBNAME = glsl -default install clean: - @for dir in $(SUBDIRS) ; do \ - if [ -d $$dir ] ; then \ - (cd $$dir && $(MAKE) $@) || exit 1; \ - fi \ - done +LIBGLCPP_SOURCES = \ + glcpp/glcpp-lex.c \ + glcpp/glcpp-parse.c \ + glcpp/pp.c +GLCPP_SOURCES = \ + $(LIBGLCPP_SOURCES) \ + glcpp/glcpp.c + +C_SOURCES = \ + $(LIBGLCPP_SOURCES) + +CXX_SOURCES = \ + ast_expr.cpp \ + ast_function.cpp \ + ast_to_hir.cpp \ + ast_type.cpp \ + builtin_function.cpp \ + glsl_lexer.cpp \ + glsl_parser.cpp \ + glsl_parser_extras.cpp \ + glsl_types.cpp \ + glsl_symbol_table.cpp \ + hir_field_selection.cpp \ + ir_algebraic.cpp \ + ir_basic_block.cpp \ + ir_clone.cpp \ + ir_constant_expression.cpp \ + ir_constant_folding.cpp \ + ir_constant_propagation.cpp \ + ir_constant_variable.cpp \ + ir_copy_propagation.cpp \ + ir.cpp \ + ir_dead_code.cpp \ + ir_dead_code_local.cpp \ + ir_dead_functions.cpp \ + ir_div_to_mul_rcp.cpp \ + ir_explog_to_explog2.cpp \ + ir_expression_flattening.cpp \ + ir_function_can_inline.cpp \ + ir_function.cpp \ + ir_function_inlining.cpp \ + ir_hierarchical_visitor.cpp \ + ir_hv_accept.cpp \ + ir_if_simplification.cpp \ + ir_if_to_cond_assign.cpp \ + ir_import_prototypes.cpp \ + ir_lower_jumps.cpp \ + ir_mat_op_to_vec.cpp \ + ir_mod_to_fract.cpp \ + ir_noop_swizzle.cpp \ + ir_print_visitor.cpp \ + ir_reader.cpp \ + ir_rvalue_visitor.cpp \ + ir_set_program_inouts.cpp \ + ir_structure_splitting.cpp \ + ir_sub_to_add_neg.cpp \ + ir_swizzle_swizzle.cpp \ + ir_tree_grafting.cpp \ + ir_validate.cpp \ + ir_variable.cpp \ + ir_variable_refcount.cpp \ + ir_vec_index_to_cond_assign.cpp \ + ir_vec_index_to_swizzle.cpp \ + linker.cpp \ + link_functions.cpp \ + loop_analysis.cpp \ + loop_controls.cpp \ + loop_unroll.cpp \ + lower_noise.cpp \ + lower_variable_index_to_cond_assign.cpp \ + opt_redundant_jumps.cpp \ + s_expression.cpp + +LIBS = \ + $(TOP)/src/glsl/libglsl.a \ + $(TALLOC_LIBS) + +APPS = glsl_compiler glcpp/glcpp + +GLSL2_C_SOURCES = \ + ../mesa/program/hash_table.c \ + ../mesa/program/symbol_table.c +GLSL2_CXX_SOURCES = \ + main.cpp + +GLSL2_OBJECTS = \ + $(GLSL2_C_SOURCES:.c=.o) \ + $(GLSL2_CXX_SOURCES:.cpp=.o) + +### Basic defines ### + +DEFINES += \ + $(LIBRARY_DEFINES) \ + $(API_DEFINES) + +GLCPP_OBJECTS = \ + $(GLCPP_SOURCES:.c=.o) \ + ../mesa/program/hash_table.o + +OBJECTS = \ + $(C_SOURCES:.c=.o) \ + $(CXX_SOURCES:.cpp=.o) + +INCLUDES = \ + $(TALLOC_CFLAGS) \ + -I. \ + -I../mesa \ + -I../mapi \ + -I../../include \ + $(LIBRARY_INCLUDES) + +ALL_SOURCES = \ + $(C_SOURCES) \ + $(CXX_SOURCES) \ + $(GLSL2_CXX_SOURCES) \ + $(GLSL2_C_SOURCES) + +##### TARGETS ##### + +default: depend lib$(LIBNAME).a $(APPS) + +lib$(LIBNAME).a: $(OBJECTS) Makefile $(TOP)/src/glsl/Makefile.template + $(MKLIB) -cplusplus -o $(LIBNAME) -static $(OBJECTS) + +depend: $(ALL_SOURCES) Makefile + rm -f depend + touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(ALL_SOURCES) 2> /dev/null + +# Remove .o and backup files +clean: + rm -f $(GLCPP_OBJECTS) $(GLSL2_OBJECTS) $(OBJECTS) lib$(LIBNAME).a depend depend.bak + -rm -f $(APPS) + +# Dummy target +install: + @echo -n "" + + +##### RULES ##### + +glsl_compiler: $(GLSL2_OBJECTS) libglsl.a + $(APP_CXX) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(GLSL2_OBJECTS) $(LIBS) -o $@ + +glcpp/glcpp: $(GLCPP_OBJECTS) libglsl.a + $(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(GLCPP_OBJECTS) $(LIBS) -o $@ + +.cpp.o: + $(CXX) -c $(INCLUDES) $(CXXFLAGS) $(DEFINES) $< -o $@ + +.c.o: + $(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ + +glsl_lexer.cpp: glsl_lexer.lpp + flex --nounistd -o$@ $< + +glsl_parser.cpp: glsl_parser.ypp + bison -v -o "$@" -p "_mesa_glsl_" --defines=glsl_parser.h $< + +glcpp/glcpp-lex.c: glcpp/glcpp-lex.l + flex --nounistd -o$@ $< + +glcpp/glcpp-parse.c: glcpp/glcpp-parse.y + bison -v -o "$@" --defines=glcpp/glcpp-parse.h $< + +builtins: builtin_function.cpp builtins/profiles/* builtins/ir/* builtins/tools/generate_builtins.py builtins/tools/texture_builtins.py + @echo Bootstrapping the compiler... + cp builtins/tools/builtin_function.cpp . + make glsl_compiler + @echo Regenerating builtin_function.cpp... + ./builtins/tools/generate_builtins.py > builtin_function.cpp + @echo Rebuilding the real compiler... + make glsl_compiler + +-include depend diff --git a/mesalib/src/glsl/README b/mesalib/src/glsl/README new file mode 100644 index 000000000..dd80a53d4 --- /dev/null +++ b/mesalib/src/glsl/README @@ -0,0 +1,229 @@ +Welcome to Mesa's GLSL compiler. A brief overview of how things flow: + +1) lex and yacc-based preprocessor takes the incoming shader string +and produces a new string containing the preprocessed shader. This +takes care of things like #if, #ifdef, #define, and preprocessor macro +invocations. Note that #version, #extension, and some others are +passed straight through. See glcpp/* + +2) lex and yacc-based parser takes the preprocessed string and +generates the AST (abstract syntax tree). Almost no checking is +performed in this stage. See glsl_lexer.lpp and glsl_parser.ypp. + +3) The AST is converted to "HIR". This is the intermediate +representation of the compiler. Constructors are generated, function +calls are resolved to particular function signatures, and all the +semantic checking is performed. See ast_*.cpp for the conversion, and +ir.h for the IR structures. + +4) The driver (Mesa, or main.cpp for the standalone binary) performs +optimizations. These include copy propagation, dead code elimination, +constant folding, and others. Generally the driver will call +optimizations in a loop, as each may open up opportunities for other +optimizations to do additional work. See most files called ir_*.cpp + +5) linking is performed. This does checking to ensure that the +outputs of the vertex shader match the inputs of the fragment shader, +and assigns locations to uniforms, attributes, and varyings. See +linker.cpp. + +6) The driver may perform additional optimization at this point, as +for example dead code elimination previously couldn't remove functions +or global variable usage when we didn't know what other code would be +linked in. + +7) The driver performs code generation out of the IR, taking a linked +shader program and producing a compiled program for each stage. See +ir_to_mesa.cpp for Mesa IR code generation. + +FAQ: + +Q: What is HIR versus IR versus LIR? + +A: The idea behind the naming was that ast_to_hir would produce a +high-level IR ("HIR"), with things like matrix operations, structure +assignments, etc., present. A series of lowering passes would occur +that do things like break matrix multiplication into a series of dot +products/MADs, make structure assignment be a series of assignment of +components, flatten if statements into conditional moves, and such, +producing a low level IR ("LIR"). + +However, it now appears that each driver will have different +requirements from a LIR. A 915-generation chipset wants all functions +inlined, all loops unrolled, all ifs flattened, no variable array +accesses, and matrix multiplication broken down. The Mesa IR backend +for swrast would like matrices and structure assignment broken down, +but it can support function calls and dynamic branching. A 965 vertex +shader IR backend could potentially even handle some matrix operations +without breaking them down, but the 965 fragment shader IR backend +would want to break to have (almost) all operations down channel-wise +and perform optimization on that. As a result, there's no single +low-level IR that will make everyone happy. So that usage has fallen +out of favor, and each driver will perform a series of lowering passes +to take the HIR down to whatever restrictions it wants to impose +before doing codegen. + +Q: How is the IR structured? + +A: The best way to get started seeing it would be to run the +standalone compiler against a shader: + +./glsl_compiler --dump-lir \ + ~/src/piglit/tests/shaders/glsl-orangebook-ch06-bump.frag + +So for example one of the ir_instructions in main() contains: + +(assign (constant bool (1)) (var_ref litColor) (expression vec3 * (var_ref Surf +aceColor) (var_ref __retval) ) ) + +Or more visually: + (assign) + / | \ + (var_ref) (expression *) (constant bool 1) + / / \ +(litColor) (var_ref) (var_ref) + / \ + (SurfaceColor) (__retval) + +which came from: + +litColor = SurfaceColor * max(dot(normDelta, LightDir), 0.0); + +(the max call is not represented in this expression tree, as it was a +function call that got inlined but not brought into this expression +tree) + +Each of those nodes is a subclass of ir_instruction. A particular +ir_instruction instance may only appear once in the whole IR tree with +the exception of ir_variables, which appear once as variable +declarations: + +(declare () vec3 normDelta) + +and multiple times as the targets of variable dereferences: +... +(assign (constant bool (1)) (var_ref __retval) (expression float dot + (var_ref normDelta) (var_ref LightDir) ) ) +... +(assign (constant bool (1)) (var_ref __retval) (expression vec3 - + (var_ref LightDir) (expression vec3 * (constant float (2.000000)) + (expression vec3 * (expression float dot (var_ref normDelta) (var_ref + LightDir) ) (var_ref normDelta) ) ) ) ) +... + +Each node has a type. Expressions may involve several different types: +(declare (uniform ) mat4 gl_ModelViewMatrix) +((assign (constant bool (1)) (var_ref constructor_tmp) (expression + vec4 * (var_ref gl_ModelViewMatrix) (var_ref gl_Vertex) ) ) + +An expression tree can be arbitrarily deep, and the compiler tries to +keep them structured like that so that things like algebraic +optimizations ((color * 1.0 == color) and ((mat1 * mat2) * vec == mat1 +* (mat2 * vec))) or recognizing operation patterns for code generation +(vec1 * vec2 + vec3 == mad(vec1, vec2, vec3)) are easier. This comes +at the expense of additional trickery in implementing some +optimizations like CSE where one must navigate an expression tree. + +Q: Why no SSA representation? + +A: Converting an IR tree to SSA form makes dead code elmimination, +common subexpression elimination, and many other optimizations much +easier. However, in our primarily vector-based language, there's some +major questions as to how it would work. Do we do SSA on the scalar +or vector level? If we do it at the vector level, we're going to end +up with many different versions of the variable when encountering code +like: + +(assign (constant bool (1)) (swiz x (var_ref __retval) ) (var_ref a) ) +(assign (constant bool (1)) (swiz y (var_ref __retval) ) (var_ref b) ) +(assign (constant bool (1)) (swiz z (var_ref __retval) ) (var_ref c) ) + +If every masked update of a component relies on the previous value of +the variable, then we're probably going to be quite limited in our +dead code elimination wins, and recognizing common expressions may +just not happen. On the other hand, if we operate channel-wise, then +we'll be prone to optimizing the operation on one of the channels at +the expense of making its instruction flow different from the other +channels, and a vector-based GPU would end up with worse code than if +we didn't optimize operations on that channel! + +Once again, it appears that our optimization requirements are driven +significantly by the target architecture. For now, targeting the Mesa +IR backend, SSA does not appear to be that important to producing +excellent code, but we do expect to do some SSA-based optimizations +for the 965 fragment shader backend when that is developed. + +Q: How should I expand instructions that take multiple backend instructions? + +Sometimes you'll have to do the expansion in your code generation -- +see, for example, ir_to_mesa.cpp's handling of ir_unop_sqrt. However, +in many cases you'll want to do a pass over the IR to convert +non-native instructions to a series of native instructions. For +example, for the Mesa backend we have ir_div_to_mul_rcp.cpp because +Mesa IR (and many hardware backends) only have a reciprocal +instruction, not a divide. Implementing non-native instructions this +way gives the chance for constant folding to occur, so (a / 2.0) +becomes (a * 0.5) after codegen instead of (a * (1.0 / 2.0)) + +Q: How shoud I handle my special hardware instructions with respect to IR? + +Our current theory is that if multiple targets have an instruction for +some operation, then we should probably be able to represent that in +the IR. Generally this is in the form of an ir_{bin,un}op expression +type. For example, we initially implemented fract() using (a - +floor(a)), but both 945 and 965 have instructions to give that result, +and it would also simplify the implementation of mod(), so +ir_unop_fract was added. The following areas need updating to add a +new expression type: + +ir.h (new enum) +ir.cpp:get_num_operands() (used for ir_reader) +ir.cpp:operator_strs (used for ir_reader) +ir_constant_expression.cpp (you probably want to be able to constant fold) +ir_validate.cpp (check users have the right types) + +You may also need to update the backends if they will see the new expr type: + +../mesa/shaders/ir_to_mesa.cpp + +You can then use the new expression from builtins (if all backends +would rather see it), or scan the IR and convert to use your new +expression type (see ir_mod_to_fract, for example). + +Q: How is memory management handled in the compiler? + +The hierarchical memory allocator "talloc" developed for the Samba +project is used, so that things like optimization passes don't have to +worry about their garbage collection so much. It has a few nice +features, including low performance overhead and good debugging +support that's trivially available. + +Generally, each stage of the compile creates a talloc context and +allocates its memory out of that or children of it. At the end of the +stage, the pieces still live are stolen to a new context and the old +one freed, or the whole context is kept for use by the next stage. + +For IR transformations, a temporary context is used, then at the end +of all transformations, reparent_ir reparents all live nodes under the +shader's IR list, and the old context full of dead nodes is freed. +When developing a single IR transformation pass, this means that you +want to allocate instruction nodes out of the temporary context, so if +it becomes dead it doesn't live on as the child of a live node. At +the moment, optimization passes aren't passed that temporary context, +so they find it by calling talloc_parent() on a nearby IR node. The +talloc_parent() call is expensive, so many passes will cache the +result of the first talloc_parent(). Cleaning up all the optimization +passes to take a context argument and not call talloc_parent() is left +as an exercise. + +Q: What is the file naming convention in this directory? + +Initially, there really wasn't one. We have since adopted one: + + - Files that implement code lowering passes should be named lower_* + (e.g., lower_noise.cpp). + - Files that implement optimization passes should be named opt_*. + - Files that implement a class that is used throught the code should + take the name of that class (e.g., ir_hierarchical_visitor.cpp). + - Files that contain code not fitting in one of the previous + categories should have a sensible name (e.g., glsl_parser.ypp). diff --git a/mesalib/src/glsl/SConscript b/mesalib/src/glsl/SConscript index 8e18626c4..c183e208d 100644 --- a/mesalib/src/glsl/SConscript +++ b/mesalib/src/glsl/SConscript @@ -4,23 +4,78 @@ Import('*') env = env.Clone() +env.Prepend(CPPPATH = [ + '#src/mapi', + '#src/mesa', +]) + +if env['platform'] == 'windows': + env.Prepend(CPPPATH = ['#src/talloc']) + sources = [ - 'pp/sl_pp_context.c', - 'pp/sl_pp_define.c', - 'pp/sl_pp_dict.c', - 'pp/sl_pp_error.c', - 'pp/sl_pp_expression.c', - 'pp/sl_pp_extension.c', - 'pp/sl_pp_if.c', - 'pp/sl_pp_line.c', - 'pp/sl_pp_macro.c', - 'pp/sl_pp_pragma.c', - 'pp/sl_pp_process.c', - 'pp/sl_pp_purify.c', - 'pp/sl_pp_token.c', - 'pp/sl_pp_token_util.c', - 'pp/sl_pp_version.c', - 'cl/sl_cl_parse.c', + 'glcpp/glcpp-lex.c', + 'glcpp/glcpp-parse.c', + 'glcpp/pp.c', + 'ast_expr.cpp', + 'ast_function.cpp', + 'ast_to_hir.cpp', + 'ast_type.cpp', + 'builtin_function.cpp', + 'glsl_lexer.cpp', + 'glsl_parser.cpp', + 'glsl_parser_extras.cpp', + 'glsl_types.cpp', + 'glsl_symbol_table.cpp', + 'hir_field_selection.cpp', + 'ir_algebraic.cpp', + 'ir_basic_block.cpp', + 'ir_clone.cpp', + 'ir_constant_expression.cpp', + 'ir_constant_folding.cpp', + 'ir_constant_propagation.cpp', + 'ir_constant_variable.cpp', + 'ir_copy_propagation.cpp', + 'ir.cpp', + 'ir_dead_code.cpp', + 'ir_dead_code_local.cpp', + 'ir_dead_functions.cpp', + 'ir_div_to_mul_rcp.cpp', + 'ir_explog_to_explog2.cpp', + 'ir_expression_flattening.cpp', + 'ir_function_can_inline.cpp', + 'ir_function.cpp', + 'ir_function_inlining.cpp', + 'ir_hierarchical_visitor.cpp', + 'ir_hv_accept.cpp', + 'ir_if_simplification.cpp', + 'ir_if_to_cond_assign.cpp', + 'ir_import_prototypes.cpp', + 'ir_lower_jumps.cpp', + 'ir_mat_op_to_vec.cpp', + 'ir_mod_to_fract.cpp', + 'ir_noop_swizzle.cpp', + 'ir_print_visitor.cpp', + 'ir_reader.cpp', + 'ir_rvalue_visitor.cpp', + 'ir_set_program_inouts.cpp', + 'ir_structure_splitting.cpp', + 'ir_sub_to_add_neg.cpp', + 'ir_swizzle_swizzle.cpp', + 'ir_tree_grafting.cpp', + 'ir_validate.cpp', + 'ir_variable.cpp', + 'ir_variable_refcount.cpp', + 'ir_vec_index_to_cond_assign.cpp', + 'ir_vec_index_to_swizzle.cpp', + 'linker.cpp', + 'link_functions.cpp', + 'loop_analysis.cpp', + 'loop_controls.cpp', + 'loop_unroll.cpp', + 'lower_noise.cpp', + 'lower_variable_index_to_cond_assign.cpp', + 'opt_redundant_jumps.cpp', + 's_expression.cpp', ] glsl = env.ConvenienceLibrary( @@ -30,6 +85,9 @@ glsl = env.ConvenienceLibrary( Export('glsl') +# FIXME: We can't build the programs because there's a cyclic dependency between tis directory and src/mesa +Return() + env = env.Clone() if env['platform'] == 'windows': @@ -37,33 +95,16 @@ if env['platform'] == 'windows': 'user32', ]) -env.Prepend(LIBS = [glsl]) - -env.Program( - target = 'purify', - source = ['apps/purify.c'], -) +env.Prepend(LIBS = [glsl, talloc]) env.Program( - target = 'tokenise', - source = ['apps/tokenise.c'], + target = 'glsl2', + source = [ + 'main.cpp', + ] ) env.Program( - target = 'version', - source = ['apps/version.c'], + target = 'glcpp', + source = ['glcpp/glcpp.c'], ) - -env.Program( - target = 'process', - source = ['apps/process.c'], -) - -glsl_compile = env.Program( - target = 'compile', - source = ['apps/compile.c'], -) - -if env['platform'] == common.default_platform: - # Only export the GLSL compiler when building for the host platform - Export('glsl_compile') diff --git a/mesalib/src/glsl/apps/Makefile b/mesalib/src/glsl/apps/Makefile deleted file mode 100644 index 39a0df7fe..000000000 --- a/mesalib/src/glsl/apps/Makefile +++ /dev/null @@ -1,43 +0,0 @@ -# src/glsl/apps/Makefile - -TOP = ../../.. - -include $(TOP)/configs/current - -LIBS = \ - $(TOP)/src/glsl/pp/libglslpp.a \ - $(TOP)/src/glsl/cl/libglslcl.a - -SOURCES = \ - compile.c \ - process.c \ - purify.c \ - tokenise.c \ - version.c - -APPS = $(SOURCES:%.c=%) - -INCLUDES = -I. - - -##### RULES ##### - -.SUFFIXES: -.SUFFIXES: .c - -.c: - $(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@ - -.c.o: - $(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@ - - -##### TARGETS ##### - -default: $(APPS) - -install: - -clean: - -rm -f $(APPS) - -rm -f *.o diff --git a/mesalib/src/glsl/apps/compile.c b/mesalib/src/glsl/apps/compile.c deleted file mode 100644 index 21c2b7617..000000000 --- a/mesalib/src/glsl/apps/compile.c +++ /dev/null @@ -1,192 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include "../pp/sl_pp_public.h" -#include "../cl/sl_cl_parse.h" - - -static void -usage(void) -{ - printf("Usage:\n"); - printf(" compile fragment|vertex <source> <output>\n"); -} - -int -main(int argc, - char *argv[]) -{ - FILE *in; - long size; - char *inbuf; - struct sl_pp_purify_options options; - char errmsg[100] = ""; - struct sl_pp_context *context; - unsigned int version; - FILE *out; - unsigned char *outbytes; - unsigned int cboutbytes; - unsigned int shader_type; - - if (argc != 4) { - usage(); - return 1; - } - - if (!strcmp(argv[1], "fragment")) { - shader_type = 1; - } else if (!strcmp(argv[1], "vertex")) { - shader_type = 2; - } else { - usage(); - return 1; - } - - in = fopen(argv[2], "rb"); - if (!in) { - printf("Could not open `%s' for read.\n", argv[2]); - usage(); - return 1; - } - - fseek(in, 0, SEEK_END); - size = ftell(in); - assert(size != -1); - fseek(in, 0, SEEK_SET); - - out = fopen(argv[3], "w"); - if (!out) { - fclose(in); - printf("Could not open `%s' for write.\n", argv[3]); - usage(); - return 1; - } - - inbuf = malloc(size + 1); - if (!inbuf) { - fprintf(out, "$OOMERROR\n"); - - fclose(out); - fclose(in); - printf("Out of memory.\n"); - return 0; - } - - if (fread(inbuf, 1, size, in) != size) { - fprintf(out, "$READERROR\n"); - - free(inbuf); - fclose(out); - fclose(in); - printf("Could not read from `%s'.\n", argv[2]); - return 0; - } - inbuf[size] = '\0'; - - fclose(in); - - memset(&options, 0, sizeof(options)); - - context = sl_pp_context_create(inbuf, &options); - if (!context) { - fprintf(out, "$CONTEXERROR\n"); - - free(inbuf); - fclose(out); - printf("Could not create parse context.\n"); - return 0; - } - - if (sl_pp_version(context, &version)) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - printf("Error: %s\n", sl_pp_context_error_message(context)); - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return 0; - } - - if (sl_pp_context_add_extension(context, "GL_ARB_draw_buffers") || - sl_pp_context_add_extension(context, "GL_ARB_texture_rectangle")) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - printf("Error: %s\n", sl_pp_context_error_message(context)); - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return 0; - } - - if (sl_cl_compile(context, shader_type, 1, &outbytes, &cboutbytes, errmsg, sizeof(errmsg)) == 0) { - unsigned int i; - unsigned int line = 0; - - fprintf(out, "\n/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */"); - fprintf(out, "\n/* %s */", argv[2]); - fprintf(out, "\n\n"); - - for (i = 0; i < cboutbytes; i++) { - unsigned int a; - - if (outbytes[i] < 10) { - a = 1; - } else if (outbytes[i] < 100) { - a = 2; - } else { - a = 3; - } - if (i < cboutbytes - 1) { - a++; - } - if (line + a >= 100) { - fprintf (out, "\n"); - line = 0; - } - line += a; - fprintf (out, "%u", outbytes[i]); - if (i < cboutbytes - 1) { - fprintf (out, ","); - } - } - fprintf (out, "\n"); - free(outbytes); - } else { - fprintf(out, "$SYNTAXERROR: `%s'\n", errmsg); - - printf("Error: %s\n", errmsg); - } - - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return 0; -} diff --git a/mesalib/src/glsl/apps/process.c b/mesalib/src/glsl/apps/process.c deleted file mode 100644 index c8a1a1868..000000000 --- a/mesalib/src/glsl/apps/process.c +++ /dev/null @@ -1,383 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include "../pp/sl_pp_public.h" - - -int -main(int argc, - char *argv[]) -{ - FILE *in; - long size; - char *inbuf; - struct sl_pp_purify_options options; - struct sl_pp_context *context; - unsigned int version; - struct sl_pp_token_info *outtokens; - FILE *out; - unsigned int i; - - if (argc != 3) { - printf("Usage: process infile outfile\n"); - return 1; - } - - in = fopen(argv[1], "rb"); - if (!in) { - return 1; - } - - fseek(in, 0, SEEK_END); - size = ftell(in); - assert(size != -1); - fseek(in, 0, SEEK_SET); - - out = fopen(argv[2], "wb"); - if (!out) { - fclose(in); - return 1; - } - - inbuf = malloc(size + 1); - if (!inbuf) { - fprintf(out, "$OOMERROR\n"); - - fclose(out); - fclose(in); - return 1; - } - - if (fread(inbuf, 1, size, in) != size) { - fprintf(out, "$READERROR\n"); - - free(inbuf); - fclose(out); - fclose(in); - return 1; - } - inbuf[size] = '\0'; - - fclose(in); - - memset(&options, 0, sizeof(options)); - - context = sl_pp_context_create(inbuf, &options); - if (!context) { - fprintf(out, "$CONTEXERROR\n"); - - free(inbuf); - fclose(out); - return 1; - } - - if (sl_pp_version(context, &version)) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return -1; - } - - if (sl_pp_context_add_extension(context, "GL_ARB_draw_buffers") || - sl_pp_context_add_extension(context, "GL_ARB_texture_rectangle")) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - printf("Error: %s\n", sl_pp_context_error_message(context)); - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return 0; - } - - if (sl_pp_context_add_predefined(context, "__GLSL_PP_PREDEFINED_MACRO_TEST", "1")) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - printf("Error: %s\n", sl_pp_context_error_message(context)); - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return 0; - } - - if (sl_pp_process(context, &outtokens)) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return -1; - } - - free(inbuf); - - for (i = 0; outtokens[i].token != SL_PP_EOF; i++) { - switch (outtokens[i].token) { - case SL_PP_NEWLINE: - fprintf(out, "\n"); - break; - - case SL_PP_COMMA: - fprintf(out, ", "); - break; - - case SL_PP_SEMICOLON: - fprintf(out, "; "); - break; - - case SL_PP_LBRACE: - fprintf(out, "{ "); - break; - - case SL_PP_RBRACE: - fprintf(out, "} "); - break; - - case SL_PP_LPAREN: - fprintf(out, "( "); - break; - - case SL_PP_RPAREN: - fprintf(out, ") "); - break; - - case SL_PP_LBRACKET: - fprintf(out, "[ "); - break; - - case SL_PP_RBRACKET: - fprintf(out, "] "); - break; - - case SL_PP_DOT: - fprintf(out, ". "); - break; - - case SL_PP_INCREMENT: - fprintf(out, "++ "); - break; - - case SL_PP_ADDASSIGN: - fprintf(out, "+= "); - break; - - case SL_PP_PLUS: - fprintf(out, "+ "); - break; - - case SL_PP_DECREMENT: - fprintf(out, "-- "); - break; - - case SL_PP_SUBASSIGN: - fprintf(out, "-= "); - break; - - case SL_PP_MINUS: - fprintf(out, "- "); - break; - - case SL_PP_BITNOT: - fprintf(out, "~ "); - break; - - case SL_PP_NOTEQUAL: - fprintf(out, "!= "); - break; - - case SL_PP_NOT: - fprintf(out, "! "); - break; - - case SL_PP_MULASSIGN: - fprintf(out, "*= "); - break; - - case SL_PP_STAR: - fprintf(out, "* "); - break; - - case SL_PP_DIVASSIGN: - fprintf(out, "/= "); - break; - - case SL_PP_SLASH: - fprintf(out, "/ "); - break; - - case SL_PP_MODASSIGN: - fprintf(out, "%%= "); - break; - - case SL_PP_MODULO: - fprintf(out, "%% "); - break; - - case SL_PP_LSHIFTASSIGN: - fprintf(out, "<<= "); - break; - - case SL_PP_LSHIFT: - fprintf(out, "<< "); - break; - - case SL_PP_LESSEQUAL: - fprintf(out, "<= "); - break; - - case SL_PP_LESS: - fprintf(out, "< "); - break; - - case SL_PP_RSHIFTASSIGN: - fprintf(out, ">>= "); - break; - - case SL_PP_RSHIFT: - fprintf(out, ">> "); - break; - - case SL_PP_GREATEREQUAL: - fprintf(out, ">= "); - break; - - case SL_PP_GREATER: - fprintf(out, "> "); - break; - - case SL_PP_EQUAL: - fprintf(out, "== "); - break; - - case SL_PP_ASSIGN: - fprintf(out, "= "); - break; - - case SL_PP_AND: - fprintf(out, "&& "); - break; - - case SL_PP_BITANDASSIGN: - fprintf(out, "&= "); - break; - - case SL_PP_BITAND: - fprintf(out, "& "); - break; - - case SL_PP_XOR: - fprintf(out, "^^ "); - break; - - case SL_PP_BITXORASSIGN: - fprintf(out, "^= "); - break; - - case SL_PP_BITXOR: - fprintf(out, "^ "); - break; - - case SL_PP_OR: - fprintf(out, "|| "); - break; - - case SL_PP_BITORASSIGN: - fprintf(out, "|= "); - break; - - case SL_PP_BITOR: - fprintf(out, "| "); - break; - - case SL_PP_QUESTION: - fprintf(out, "? "); - break; - - case SL_PP_COLON: - fprintf(out, ": "); - break; - - case SL_PP_IDENTIFIER: - fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data.identifier)); - break; - - case SL_PP_UINT: - fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data._uint)); - break; - - case SL_PP_FLOAT: - fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data._float)); - break; - - case SL_PP_OTHER: - fprintf(out, "%c", outtokens[i].data.other); - break; - - case SL_PP_PRAGMA_OPTIMIZE: - fprintf(out, "#pragma optimize(%s)", outtokens[i].data.pragma ? "on" : "off"); - break; - - case SL_PP_PRAGMA_DEBUG: - fprintf(out, "#pragma debug(%s)", outtokens[i].data.pragma ? "on" : "off"); - break; - - case SL_PP_EXTENSION_REQUIRE: - fprintf(out, "#extension %s : require", sl_pp_context_cstr(context, outtokens[i].data.extension)); - break; - - case SL_PP_EXTENSION_ENABLE: - fprintf(out, "#extension %s : enable", sl_pp_context_cstr(context, outtokens[i].data.extension)); - break; - - case SL_PP_EXTENSION_WARN: - fprintf(out, "#extension %s : warn", sl_pp_context_cstr(context, outtokens[i].data.extension)); - break; - - case SL_PP_EXTENSION_DISABLE: - fprintf(out, "#extension %s : disable", sl_pp_context_cstr(context, outtokens[i].data.extension)); - break; - - case SL_PP_LINE: - fprintf(out, "#line %u %u", outtokens[i].data.line.lineno, outtokens[i].data.line.fileno); - break; - - default: - assert(0); - } - } - - sl_pp_context_destroy(context); - free(outtokens); - fclose(out); - - return 0; -} diff --git a/mesalib/src/glsl/apps/purify.c b/mesalib/src/glsl/apps/purify.c deleted file mode 100644 index 5ab6bae96..000000000 --- a/mesalib/src/glsl/apps/purify.c +++ /dev/null @@ -1,108 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "../pp/sl_pp_public.h" - - -int -main(int argc, - char *argv[]) -{ - FILE *in; - long size; - char *inbuf; - struct sl_pp_purify_options options; - char *outbuf; - char errmsg[100] = ""; - unsigned int errline = 0; - FILE *out; - - if (argc != 3) { - printf("Usage: purify infile outfile\n"); - return 1; - } - - in = fopen(argv[1], "rb"); - if (!in) { - return 1; - } - - fseek(in, 0, SEEK_END); - size = ftell(in); - assert(size != -1); - fseek(in, 0, SEEK_SET); - - out = fopen(argv[2], "wb"); - if (!out) { - fclose(in); - return 1; - } - - inbuf = malloc(size + 1); - if (!inbuf) { - fprintf(out, "$OOMERROR\n"); - - fclose(out); - fclose(in); - return 1; - } - - if (fread(inbuf, 1, size, in) != size) { - fprintf(out, "$READERROR\n"); - - free(inbuf); - fclose(out); - fclose(in); - return 1; - } - inbuf[size] = '\0'; - - fclose(in); - - memset(&options, 0, sizeof(options)); - - if (sl_pp_purify(inbuf, &options, &outbuf, errmsg, sizeof(errmsg), &errline)) { - fprintf(out, "$PURIFYERROR %u: %s\n", errline, errmsg); - - free(inbuf); - fclose(out); - return 1; - } - - free(inbuf); - - fwrite(outbuf, 1, strlen(outbuf), out); - - free(outbuf); - fclose(out); - - return 0; -} diff --git a/mesalib/src/glsl/apps/tokenise.c b/mesalib/src/glsl/apps/tokenise.c deleted file mode 100644 index b4c6d6093..000000000 --- a/mesalib/src/glsl/apps/tokenise.c +++ /dev/null @@ -1,335 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include "../pp/sl_pp_public.h" - - -int -main(int argc, - char *argv[]) -{ - FILE *in; - long size; - char *inbuf; - struct sl_pp_purify_options options; - struct sl_pp_context *context; - struct sl_pp_token_info *tokens; - FILE *out; - unsigned int i; - - if (argc != 3) { - printf("Usage: tokenize infile outfile\n"); - return 1; - } - - in = fopen(argv[1], "rb"); - if (!in) { - return 1; - } - - fseek(in, 0, SEEK_END); - size = ftell(in); - assert(size != -1); - fseek(in, 0, SEEK_SET); - - out = fopen(argv[2], "wb"); - if (!out) { - fclose(in); - return 1; - } - - inbuf = malloc(size + 1); - if (!inbuf) { - fprintf(out, "$OOMERROR\n"); - - fclose(out); - fclose(in); - return 1; - } - - if (fread(inbuf, 1, size, in) != size) { - fprintf(out, "$READERROR\n"); - - free(inbuf); - fclose(out); - fclose(in); - return 1; - } - inbuf[size] = '\0'; - - fclose(in); - - memset(&options, 0, sizeof(options)); - - context = sl_pp_context_create(inbuf, &options); - if (!context) { - fprintf(out, "$CONTEXERROR\n"); - - free(inbuf); - fclose(out); - return 1; - } - - if (sl_pp_tokenise(context, &tokens)) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return 1; - } - - free(inbuf); - - for (i = 0; tokens[i].token != SL_PP_EOF; i++) { - switch (tokens[i].token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_NEWLINE: - fprintf(out, "\n"); - break; - - case SL_PP_HASH: - fprintf(out, "# "); - break; - - case SL_PP_COMMA: - fprintf(out, ", "); - break; - - case SL_PP_SEMICOLON: - fprintf(out, "; "); - break; - - case SL_PP_LBRACE: - fprintf(out, "{ "); - break; - - case SL_PP_RBRACE: - fprintf(out, "} "); - break; - - case SL_PP_LPAREN: - fprintf(out, "( "); - break; - - case SL_PP_RPAREN: - fprintf(out, ") "); - break; - - case SL_PP_LBRACKET: - fprintf(out, "[ "); - break; - - case SL_PP_RBRACKET: - fprintf(out, "] "); - break; - - case SL_PP_DOT: - fprintf(out, ". "); - break; - - case SL_PP_INCREMENT: - fprintf(out, "++ "); - break; - - case SL_PP_ADDASSIGN: - fprintf(out, "+= "); - break; - - case SL_PP_PLUS: - fprintf(out, "+ "); - break; - - case SL_PP_DECREMENT: - fprintf(out, "-- "); - break; - - case SL_PP_SUBASSIGN: - fprintf(out, "-= "); - break; - - case SL_PP_MINUS: - fprintf(out, "- "); - break; - - case SL_PP_BITNOT: - fprintf(out, "~ "); - break; - - case SL_PP_NOTEQUAL: - fprintf(out, "!= "); - break; - - case SL_PP_NOT: - fprintf(out, "! "); - break; - - case SL_PP_MULASSIGN: - fprintf(out, "*= "); - break; - - case SL_PP_STAR: - fprintf(out, "* "); - break; - - case SL_PP_DIVASSIGN: - fprintf(out, "/= "); - break; - - case SL_PP_SLASH: - fprintf(out, "/ "); - break; - - case SL_PP_MODASSIGN: - fprintf(out, "%%= "); - break; - - case SL_PP_MODULO: - fprintf(out, "%% "); - break; - - case SL_PP_LSHIFTASSIGN: - fprintf(out, "<<= "); - break; - - case SL_PP_LSHIFT: - fprintf(out, "<< "); - break; - - case SL_PP_LESSEQUAL: - fprintf(out, "<= "); - break; - - case SL_PP_LESS: - fprintf(out, "< "); - break; - - case SL_PP_RSHIFTASSIGN: - fprintf(out, ">>= "); - break; - - case SL_PP_RSHIFT: - fprintf(out, ">> "); - break; - - case SL_PP_GREATEREQUAL: - fprintf(out, ">= "); - break; - - case SL_PP_GREATER: - fprintf(out, "> "); - break; - - case SL_PP_EQUAL: - fprintf(out, "== "); - break; - - case SL_PP_ASSIGN: - fprintf(out, "= "); - break; - - case SL_PP_AND: - fprintf(out, "&& "); - break; - - case SL_PP_BITANDASSIGN: - fprintf(out, "&= "); - break; - - case SL_PP_BITAND: - fprintf(out, "& "); - break; - - case SL_PP_XOR: - fprintf(out, "^^ "); - break; - - case SL_PP_BITXORASSIGN: - fprintf(out, "^= "); - break; - - case SL_PP_BITXOR: - fprintf(out, "^ "); - break; - - case SL_PP_OR: - fprintf(out, "|| "); - break; - - case SL_PP_BITORASSIGN: - fprintf(out, "|= "); - break; - - case SL_PP_BITOR: - fprintf(out, "| "); - break; - - case SL_PP_QUESTION: - fprintf(out, "? "); - break; - - case SL_PP_COLON: - fprintf(out, ": "); - break; - - case SL_PP_IDENTIFIER: - fprintf(out, "%s ", sl_pp_context_cstr(context, tokens[i].data.identifier)); - break; - - case SL_PP_UINT: - fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._uint)); - break; - - case SL_PP_FLOAT: - fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._float)); - break; - - case SL_PP_OTHER: - if (tokens[i].data.other == '\'') { - fprintf(out, "'\\'' "); - } else { - fprintf(out, "'%c' ", tokens[i].data.other); - } - break; - - default: - assert(0); - } - } - - sl_pp_context_destroy(context); - free(tokens); - fclose(out); - - return 0; -} diff --git a/mesalib/src/glsl/apps/version.c b/mesalib/src/glsl/apps/version.c deleted file mode 100644 index 9820ad94d..000000000 --- a/mesalib/src/glsl/apps/version.c +++ /dev/null @@ -1,117 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include "../pp/sl_pp_public.h" - - -int -main(int argc, - char *argv[]) -{ - FILE *in; - long size; - char *inbuf; - struct sl_pp_purify_options options; - struct sl_pp_context *context; - unsigned int version; - FILE *out; - - if (argc != 3) { - printf("Usage: version infile outfile\n"); - return 1; - } - - in = fopen(argv[1], "rb"); - if (!in) { - return 1; - } - - fseek(in, 0, SEEK_END); - size = ftell(in); - assert(size != -1); - fseek(in, 0, SEEK_SET); - - out = fopen(argv[2], "wb"); - if (!out) { - fclose(in); - return 1; - } - - inbuf = malloc(size + 1); - if (!inbuf) { - fprintf(out, "$OOMERROR\n"); - - fclose(out); - fclose(in); - return 1; - } - - if (fread(inbuf, 1, size, in) != size) { - fprintf(out, "$READERROR\n"); - - free(inbuf); - fclose(out); - fclose(in); - return 1; - } - inbuf[size] = '\0'; - - fclose(in); - - memset(&options, 0, sizeof(options)); - - context = sl_pp_context_create(inbuf, &options); - if (!context) { - fprintf(out, "$CONTEXERROR\n"); - - free(inbuf); - fclose(out); - return 1; - } - - if (sl_pp_version(context, &version)) { - fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context)); - - sl_pp_context_destroy(context); - free(inbuf); - fclose(out); - return -1; - } - - sl_pp_context_destroy(context); - free(inbuf); - - fprintf(out, "%u\n", version); - - fclose(out); - - return 0; -} diff --git a/mesalib/src/glsl/ast.h b/mesalib/src/glsl/ast.h new file mode 100644 index 000000000..d7bf90925 --- /dev/null +++ b/mesalib/src/glsl/ast.h @@ -0,0 +1,698 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef AST_H +#define AST_H + +#include "list.h" +#include "glsl_parser_extras.h" + +struct _mesa_glsl_parse_state; + +struct YYLTYPE; + +/** + * \defgroup AST Abstract syntax tree node definitions + * + * An abstract syntax tree is generated by the parser. This is a fairly + * direct representation of the gramma derivation for the source program. + * No symantic checking is done during the generation of the AST. Only + * syntactic checking is done. Symantic checking is performed by a later + * stage that converts the AST to a more generic intermediate representation. + * + *@{ + */ +/** + * Base class of all abstract syntax tree nodes + */ +class ast_node { +public: + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *node; + + node = talloc_zero_size(ctx, size); + assert(node != NULL); + + return node; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *table) + { + talloc_free(table); + } + + /** + * Print an AST node in something approximating the original GLSL code + */ + virtual void print(void) const; + + /** + * Convert the AST node to the high-level intermediate representation + */ + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + /** + * Retrieve the source location of an AST node + * + * This function is primarily used to get the source position of an AST node + * into a form that can be passed to \c _mesa_glsl_error. + * + * \sa _mesa_glsl_error, ast_node::set_location + */ + struct YYLTYPE get_location(void) const + { + struct YYLTYPE locp; + + locp.source = this->location.source; + locp.first_line = this->location.line; + locp.first_column = this->location.column; + locp.last_line = locp.first_line; + locp.last_column = locp.first_column; + + return locp; + } + + /** + * Set the source location of an AST node from a parser location + * + * \sa ast_node::get_location + */ + void set_location(const struct YYLTYPE &locp) + { + this->location.source = locp.source; + this->location.line = locp.first_line; + this->location.column = locp.first_column; + } + + /** + * Source location of the AST node. + */ + struct { + unsigned source; /**< GLSL source number. */ + unsigned line; /**< Line number within the source string. */ + unsigned column; /**< Column in the line. */ + } location; + + exec_node link; + +protected: + /** + * The only constructor is protected so that only derived class objects can + * be created. + */ + ast_node(void); +}; + + +/** + * Operators for AST expression nodes. + */ +enum ast_operators { + ast_assign, + ast_plus, /**< Unary + operator. */ + ast_neg, + ast_add, + ast_sub, + ast_mul, + ast_div, + ast_mod, + ast_lshift, + ast_rshift, + ast_less, + ast_greater, + ast_lequal, + ast_gequal, + ast_equal, + ast_nequal, + ast_bit_and, + ast_bit_xor, + ast_bit_or, + ast_bit_not, + ast_logic_and, + ast_logic_xor, + ast_logic_or, + ast_logic_not, + + ast_mul_assign, + ast_div_assign, + ast_mod_assign, + ast_add_assign, + ast_sub_assign, + ast_ls_assign, + ast_rs_assign, + ast_and_assign, + ast_xor_assign, + ast_or_assign, + + ast_conditional, + + ast_pre_inc, + ast_pre_dec, + ast_post_inc, + ast_post_dec, + ast_field_selection, + ast_array_index, + + ast_function_call, + + ast_identifier, + ast_int_constant, + ast_uint_constant, + ast_float_constant, + ast_bool_constant, + + ast_sequence +}; + +/** + * Representation of any sort of expression. + */ +class ast_expression : public ast_node { +public: + ast_expression(int oper, ast_expression *, + ast_expression *, ast_expression *); + + ast_expression(const char *identifier) : + oper(ast_identifier) + { + subexpressions[0] = NULL; + subexpressions[1] = NULL; + subexpressions[2] = NULL; + primary_expression.identifier = (char *) identifier; + } + + static const char *operator_string(enum ast_operators op); + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + virtual void print(void) const; + + enum ast_operators oper; + + ast_expression *subexpressions[3]; + + union { + char *identifier; + int int_constant; + float float_constant; + unsigned uint_constant; + int bool_constant; + } primary_expression; + + + /** + * List of expressions for an \c ast_sequence or parameters for an + * \c ast_function_call + */ + exec_list expressions; +}; + +class ast_expression_bin : public ast_expression { +public: + ast_expression_bin(int oper, ast_expression *, ast_expression *); + + virtual void print(void) const; +}; + +/** + * Subclass of expressions for function calls + */ +class ast_function_expression : public ast_expression { +public: + ast_function_expression(ast_expression *callee) + : ast_expression(ast_function_call, callee, + NULL, NULL), + cons(false) + { + /* empty */ + } + + ast_function_expression(class ast_type_specifier *type) + : ast_expression(ast_function_call, (ast_expression *) type, + NULL, NULL), + cons(true) + { + /* empty */ + } + + bool is_constructor() const + { + return cons; + } + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +private: + /** + * Is this function call actually a constructor? + */ + bool cons; +}; + + +/** + * Number of possible operators for an ast_expression + * + * This is done as a define instead of as an additional value in the enum so + * that the compiler won't generate spurious messages like "warning: + * enumeration value ‘ast_num_operators’ not handled in switch" + */ +#define AST_NUM_OPERATORS (ast_sequence + 1) + + +class ast_compound_statement : public ast_node { +public: + ast_compound_statement(int new_scope, ast_node *statements); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + int new_scope; + exec_list statements; +}; + +class ast_declaration : public ast_node { +public: + ast_declaration(char *identifier, int is_array, ast_expression *array_size, + ast_expression *initializer); + virtual void print(void) const; + + char *identifier; + + int is_array; + ast_expression *array_size; + + ast_expression *initializer; +}; + + +enum { + ast_precision_high = 0, /**< Default precision. */ + ast_precision_medium, + ast_precision_low +}; + +struct ast_type_qualifier { + unsigned invariant:1; + unsigned constant:1; + unsigned attribute:1; + unsigned varying:1; + unsigned in:1; + unsigned out:1; + unsigned centroid:1; + unsigned uniform:1; + unsigned smooth:1; + unsigned flat:1; + unsigned noperspective:1; + + /** \name Layout qualifiers for GL_ARB_fragment_coord_conventions */ + /*@{*/ + unsigned origin_upper_left:1; + unsigned pixel_center_integer:1; + /*@}*/ +}; + +class ast_struct_specifier : public ast_node { +public: + ast_struct_specifier(char *identifier, ast_node *declarator_list); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + char *name; + exec_list declarations; +}; + + +enum ast_types { + ast_void, + ast_float, + ast_int, + ast_uint, + ast_bool, + ast_vec2, + ast_vec3, + ast_vec4, + ast_bvec2, + ast_bvec3, + ast_bvec4, + ast_ivec2, + ast_ivec3, + ast_ivec4, + ast_uvec2, + ast_uvec3, + ast_uvec4, + ast_mat2, + ast_mat2x3, + ast_mat2x4, + ast_mat3x2, + ast_mat3, + ast_mat3x4, + ast_mat4x2, + ast_mat4x3, + ast_mat4, + ast_sampler1d, + ast_sampler2d, + ast_sampler2drect, + ast_sampler3d, + ast_samplercube, + ast_sampler1dshadow, + ast_sampler2dshadow, + ast_sampler2drectshadow, + ast_samplercubeshadow, + ast_sampler1darray, + ast_sampler2darray, + ast_sampler1darrayshadow, + ast_sampler2darrayshadow, + ast_isampler1d, + ast_isampler2d, + ast_isampler3d, + ast_isamplercube, + ast_isampler1darray, + ast_isampler2darray, + ast_usampler1d, + ast_usampler2d, + ast_usampler3d, + ast_usamplercube, + ast_usampler1darray, + ast_usampler2darray, + + ast_struct, + ast_type_name +}; + + +class ast_type_specifier : public ast_node { +public: + ast_type_specifier(int specifier); + + /** Construct a type specifier from a type name */ + ast_type_specifier(const char *name) + : type_specifier(ast_type_name), type_name(name), structure(NULL), + is_array(false), array_size(NULL), precision(ast_precision_high) + { + /* empty */ + } + + /** Construct a type specifier from a structure definition */ + ast_type_specifier(ast_struct_specifier *s) + : type_specifier(ast_struct), type_name(s->name), structure(s), + is_array(false), array_size(NULL), precision(ast_precision_high) + { + /* empty */ + } + + const struct glsl_type *glsl_type(const char **name, + struct _mesa_glsl_parse_state *state) + const; + + virtual void print(void) const; + + ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *); + + enum ast_types type_specifier; + + const char *type_name; + ast_struct_specifier *structure; + + int is_array; + ast_expression *array_size; + + unsigned precision:2; +}; + + +class ast_fully_specified_type : public ast_node { +public: + virtual void print(void) const; + bool has_qualifiers() const; + + ast_type_qualifier qualifier; + ast_type_specifier *specifier; +}; + + +class ast_declarator_list : public ast_node { +public: + ast_declarator_list(ast_fully_specified_type *); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_fully_specified_type *type; + exec_list declarations; + + /** + * Special flag for vertex shader "invariant" declarations. + * + * Vertex shaders can contain "invariant" variable redeclarations that do + * not include a type. For example, "invariant gl_Position;". This flag + * is used to note these cases when no type is specified. + */ + int invariant; +}; + + +class ast_parameter_declarator : public ast_node { +public: + ast_parameter_declarator() + { + this->identifier = NULL; + this->is_array = false; + this->array_size = 0; + } + + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_fully_specified_type *type; + char *identifier; + int is_array; + ast_expression *array_size; + + static void parameters_to_hir(exec_list *ast_parameters, + bool formal, exec_list *ir_parameters, + struct _mesa_glsl_parse_state *state); + +private: + /** Is this parameter declaration part of a formal parameter list? */ + bool formal_parameter; + + /** + * Is this parameter 'void' type? + * + * This field is set by \c ::hir. + */ + bool is_void; +}; + + +class ast_function : public ast_node { +public: + ast_function(void); + + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_fully_specified_type *return_type; + char *identifier; + + exec_list parameters; + +private: + /** + * Is this prototype part of the function definition? + * + * Used by ast_function_definition::hir to process the parameters, etc. + * of the function. + * + * \sa ::hir + */ + bool is_definition; + + /** + * Function signature corresponding to this function prototype instance + * + * Used by ast_function_definition::hir to process the parameters, etc. + * of the function. + * + * \sa ::hir + */ + class ir_function_signature *signature; + + friend class ast_function_definition; +}; + + +class ast_declaration_statement : public ast_node { +public: + ast_declaration_statement(void); + + enum { + ast_function, + ast_declaration, + ast_precision + } mode; + + union { + class ast_function *function; + ast_declarator_list *declarator; + ast_type_specifier *type; + ast_node *node; + } declaration; +}; + + +class ast_expression_statement : public ast_node { +public: + ast_expression_statement(ast_expression *); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_expression *expression; +}; + + +class ast_case_label : public ast_node { +public: + + /** + * An expression of NULL means 'default'. + */ + ast_expression *expression; +}; + +class ast_selection_statement : public ast_node { +public: + ast_selection_statement(ast_expression *condition, + ast_node *then_statement, + ast_node *else_statement); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_expression *condition; + ast_node *then_statement; + ast_node *else_statement; +}; + + +class ast_switch_statement : public ast_node { +public: + ast_expression *expression; + exec_list statements; +}; + +class ast_iteration_statement : public ast_node { +public: + ast_iteration_statement(int mode, ast_node *init, ast_node *condition, + ast_expression *rest_expression, ast_node *body); + + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *); + + enum ast_iteration_modes { + ast_for, + ast_while, + ast_do_while + } mode; + + + ast_node *init_statement; + ast_node *condition; + ast_expression *rest_expression; + + ast_node *body; + +private: + /** + * Generate IR from the condition of a loop + * + * This is factored out of ::hir because some loops have the condition + * test at the top (for and while), and others have it at the end (do-while). + */ + void condition_to_hir(class ir_loop *, struct _mesa_glsl_parse_state *); +}; + + +class ast_jump_statement : public ast_node { +public: + ast_jump_statement(int mode, ast_expression *return_value); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + enum ast_jump_modes { + ast_continue, + ast_break, + ast_return, + ast_discard + } mode; + + ast_expression *opt_return_value; +}; + + +class ast_function_definition : public ast_node { +public: + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_function *prototype; + ast_compound_statement *body; +}; +/*@}*/ + +extern void +_mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state); + +extern ir_rvalue * +_mesa_ast_field_selection_to_hir(const ast_expression *expr, + exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +#endif /* AST_H */ diff --git a/mesalib/src/glsl/ast_expr.cpp b/mesalib/src/glsl/ast_expr.cpp new file mode 100644 index 000000000..4e83decb9 --- /dev/null +++ b/mesalib/src/glsl/ast_expr.cpp @@ -0,0 +1,96 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <cstdio> +#include <cassert> +#include "ast.h" + +const char * +ast_expression::operator_string(enum ast_operators op) +{ + static const char *const operators[] = { + "=", + "+", + "-", + "+", + "-", + "*", + "/", + "%", + "<<", + ">>", + "<", + ">", + "<=", + ">=", + "==", + "!=", + "&", + "^", + "|", + "~", + "&&", + "^^", + "||", + "!", + + "*=", + "/=", + "%=", + "+=", + "-=", + "<<=", + ">>=", + "&=", + "^=", + "|=", + + "?:", + + "++", + "--", + "++", + "--", + ".", + }; + + assert((unsigned int)op < sizeof(operators) / sizeof(operators[0])); + + return operators[op]; +} + + +ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0, + ast_expression *ex1) : + ast_expression(oper, ex0, ex1, NULL) +{ + assert((oper >= ast_plus) && (oper <= ast_logic_not)); +} + + +void +ast_expression_bin::print(void) const +{ + subexpressions[0]->print(); + printf("%s ", operator_string(oper)); + subexpressions[1]->print(); +} diff --git a/mesalib/src/glsl/ast_function.cpp b/mesalib/src/glsl/ast_function.cpp new file mode 100644 index 000000000..20448f5a9 --- /dev/null +++ b/mesalib/src/glsl/ast_function.cpp @@ -0,0 +1,1241 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "glsl_symbol_table.h" +#include "ast.h" +#include "glsl_types.h" +#include "ir.h" +#include "main/core.h" /* for MIN2 */ + +static ir_rvalue * +convert_component(ir_rvalue *src, const glsl_type *desired_type); + +bool +apply_implicit_conversion(const glsl_type *to, ir_rvalue * &from, + struct _mesa_glsl_parse_state *state); + +static unsigned +process_parameters(exec_list *instructions, exec_list *actual_parameters, + exec_list *parameters, + struct _mesa_glsl_parse_state *state) +{ + unsigned count = 0; + + foreach_list (n, parameters) { + ast_node *const ast = exec_node_data(ast_node, n, link); + ir_rvalue *result = ast->hir(instructions, state); + + ir_constant *const constant = result->constant_expression_value(); + if (constant != NULL) + result = constant; + + actual_parameters->push_tail(result); + count++; + } + + return count; +} + + +/** + * Generate a source prototype for a function signature + * + * \param return_type Return type of the function. May be \c NULL. + * \param name Name of the function. + * \param parameters Parameter list for the function. This may be either a + * formal or actual parameter list. Only the type is used. + * + * \return + * A talloced string representing the prototype of the function. + */ +char * +prototype_string(const glsl_type *return_type, const char *name, + exec_list *parameters) +{ + char *str = NULL; + + if (return_type != NULL) + str = talloc_asprintf(str, "%s ", return_type->name); + + str = talloc_asprintf_append(str, "%s(", name); + + const char *comma = ""; + foreach_list(node, parameters) { + const ir_instruction *const param = (ir_instruction *) node; + + str = talloc_asprintf_append(str, "%s%s", comma, param->type->name); + comma = ", "; + } + + str = talloc_strdup_append(str, ")"); + return str; +} + + +static ir_rvalue * +process_call(exec_list *instructions, ir_function *f, + YYLTYPE *loc, exec_list *actual_parameters, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + ir_function_signature *sig = f->matching_signature(actual_parameters); + + /* The instructions param will be used when the FINISHMEs below are done */ + (void) instructions; + + if (sig != NULL) { + /* Verify that 'out' and 'inout' actual parameters are lvalues. This + * isn't done in ir_function::matching_signature because that function + * cannot generate the necessary diagnostics. + */ + exec_list_iterator actual_iter = actual_parameters->iterator(); + exec_list_iterator formal_iter = sig->parameters.iterator(); + + while (actual_iter.has_next()) { + ir_rvalue *actual = (ir_rvalue *) actual_iter.get(); + ir_variable *formal = (ir_variable *) formal_iter.get(); + + assert(actual != NULL); + assert(formal != NULL); + + if ((formal->mode == ir_var_out) + || (formal->mode == ir_var_inout)) { + if (! actual->is_lvalue()) { + /* FINISHME: Log a better diagnostic here. There is no way + * FINISHME: to tell the user which parameter is invalid. + */ + _mesa_glsl_error(loc, state, "`%s' parameter is not lvalue", + (formal->mode == ir_var_out) ? "out" : "inout"); + } + } + + if (formal->type->is_numeric() || formal->type->is_boolean()) { + ir_rvalue *converted = convert_component(actual, formal->type); + actual->replace_with(converted); + } + + actual_iter.next(); + formal_iter.next(); + } + + /* Always insert the call in the instruction stream, and return a deref + * of its return val if it returns a value, since we don't know if + * the rvalue is going to be assigned to anything or not. + */ + ir_call *call = new(ctx) ir_call(sig, actual_parameters); + if (!sig->return_type->is_void()) { + ir_variable *var; + ir_dereference_variable *deref; + + var = new(ctx) ir_variable(sig->return_type, + talloc_asprintf(ctx, "%s_retval", + sig->function_name()), + ir_var_temporary); + instructions->push_tail(var); + + deref = new(ctx) ir_dereference_variable(var); + ir_assignment *assign = new(ctx) ir_assignment(deref, call, NULL); + instructions->push_tail(assign); + if (state->language_version >= 120) + var->constant_value = call->constant_expression_value(); + + deref = new(ctx) ir_dereference_variable(var); + return deref; + } else { + instructions->push_tail(call); + return NULL; + } + } else { + char *str = prototype_string(NULL, f->name, actual_parameters); + + _mesa_glsl_error(loc, state, "no matching function for call to `%s'", + str); + talloc_free(str); + + const char *prefix = "candidates are: "; + foreach_list (node, &f->signatures) { + ir_function_signature *sig = (ir_function_signature *) node; + + str = prototype_string(sig->return_type, f->name, &sig->parameters); + _mesa_glsl_error(loc, state, "%s%s\n", prefix, str); + talloc_free(str); + + prefix = " "; + } + + return ir_call::get_error_instruction(ctx); + } +} + + +static ir_rvalue * +match_function_by_name(exec_list *instructions, const char *name, + YYLTYPE *loc, exec_list *actual_parameters, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + ir_function *f = state->symbols->get_function(name); + + if (f == NULL) { + _mesa_glsl_error(loc, state, "function `%s' undeclared", name); + return ir_call::get_error_instruction(ctx); + } + + /* Once we've determined that the function being called might exist, try + * to find an overload of the function that matches the parameters. + */ + return process_call(instructions, f, loc, actual_parameters, state); +} + + +/** + * Perform automatic type conversion of constructor parameters + * + * This implements the rules in the "Conversion and Scalar Constructors" + * section (GLSL 1.10 section 5.4.1), not the "Implicit Conversions" rules. + */ +static ir_rvalue * +convert_component(ir_rvalue *src, const glsl_type *desired_type) +{ + void *ctx = talloc_parent(src); + const unsigned a = desired_type->base_type; + const unsigned b = src->type->base_type; + ir_expression *result = NULL; + + if (src->type->is_error()) + return src; + + assert(a <= GLSL_TYPE_BOOL); + assert(b <= GLSL_TYPE_BOOL); + + if ((a == b) || (src->type->is_integer() && desired_type->is_integer())) + return src; + + switch (a) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + if (b == GLSL_TYPE_FLOAT) + result = new(ctx) ir_expression(ir_unop_f2i, desired_type, src, NULL); + else { + assert(b == GLSL_TYPE_BOOL); + result = new(ctx) ir_expression(ir_unop_b2i, desired_type, src, NULL); + } + break; + case GLSL_TYPE_FLOAT: + switch (b) { + case GLSL_TYPE_UINT: + result = new(ctx) ir_expression(ir_unop_u2f, desired_type, src, NULL); + break; + case GLSL_TYPE_INT: + result = new(ctx) ir_expression(ir_unop_i2f, desired_type, src, NULL); + break; + case GLSL_TYPE_BOOL: + result = new(ctx) ir_expression(ir_unop_b2f, desired_type, src, NULL); + break; + } + break; + case GLSL_TYPE_BOOL: + switch (b) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + result = new(ctx) ir_expression(ir_unop_i2b, desired_type, src, NULL); + break; + case GLSL_TYPE_FLOAT: + result = new(ctx) ir_expression(ir_unop_f2b, desired_type, src, NULL); + break; + } + break; + } + + assert(result != NULL); + + /* Try constant folding; it may fold in the conversion we just added. */ + ir_constant *const constant = result->constant_expression_value(); + return (constant != NULL) ? (ir_rvalue *) constant : (ir_rvalue *) result; +} + +/** + * Dereference a specific component from a scalar, vector, or matrix + */ +static ir_rvalue * +dereference_component(ir_rvalue *src, unsigned component) +{ + void *ctx = talloc_parent(src); + assert(component < src->type->components()); + + /* If the source is a constant, just create a new constant instead of a + * dereference of the existing constant. + */ + ir_constant *constant = src->as_constant(); + if (constant) + return new(ctx) ir_constant(constant, component); + + if (src->type->is_scalar()) { + return src; + } else if (src->type->is_vector()) { + return new(ctx) ir_swizzle(src, component, 0, 0, 0, 1); + } else { + assert(src->type->is_matrix()); + + /* Dereference a row of the matrix, then call this function again to get + * a specific element from that row. + */ + const int c = component / src->type->column_type()->vector_elements; + const int r = component % src->type->column_type()->vector_elements; + ir_constant *const col_index = new(ctx) ir_constant(c); + ir_dereference *const col = new(ctx) ir_dereference_array(src, col_index); + + col->type = src->type->column_type(); + + return dereference_component(col, r); + } + + assert(!"Should not get here."); + return NULL; +} + + +static ir_rvalue * +process_array_constructor(exec_list *instructions, + const glsl_type *constructor_type, + YYLTYPE *loc, exec_list *parameters, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + /* Array constructors come in two forms: sized and unsized. Sized array + * constructors look like 'vec4[2](a, b)', where 'a' and 'b' are vec4 + * variables. In this case the number of parameters must exactly match the + * specified size of the array. + * + * Unsized array constructors look like 'vec4[](a, b)', where 'a' and 'b' + * are vec4 variables. In this case the size of the array being constructed + * is determined by the number of parameters. + * + * From page 52 (page 58 of the PDF) of the GLSL 1.50 spec: + * + * "There must be exactly the same number of arguments as the size of + * the array being constructed. If no size is present in the + * constructor, then the array is explicitly sized to the number of + * arguments provided. The arguments are assigned in order, starting at + * element 0, to the elements of the constructed array. Each argument + * must be the same type as the element type of the array, or be a type + * that can be converted to the element type of the array according to + * Section 4.1.10 "Implicit Conversions."" + */ + exec_list actual_parameters; + const unsigned parameter_count = + process_parameters(instructions, &actual_parameters, parameters, state); + + if ((parameter_count == 0) + || ((constructor_type->length != 0) + && (constructor_type->length != parameter_count))) { + const unsigned min_param = (constructor_type->length == 0) + ? 1 : constructor_type->length; + + _mesa_glsl_error(loc, state, "array constructor must have %s %u " + "parameter%s", + (constructor_type->length != 0) ? "at least" : "exactly", + min_param, (min_param <= 1) ? "" : "s"); + return ir_call::get_error_instruction(ctx); + } + + if (constructor_type->length == 0) { + constructor_type = + glsl_type::get_array_instance(constructor_type->element_type(), + parameter_count); + assert(constructor_type != NULL); + assert(constructor_type->length == parameter_count); + } + + bool all_parameters_are_constant = true; + + /* Type cast each parameter and, if possible, fold constants. */ + foreach_list_safe(n, &actual_parameters) { + ir_rvalue *ir = (ir_rvalue *) n; + ir_rvalue *result = ir; + + /* Apply implicit conversions (not the scalar constructor rules!) */ + if (constructor_type->element_type()->is_float()) { + const glsl_type *desired_type = + glsl_type::get_instance(GLSL_TYPE_FLOAT, + ir->type->vector_elements, + ir->type->matrix_columns); + result = convert_component(ir, desired_type); + } + + if (result->type != constructor_type->element_type()) { + _mesa_glsl_error(loc, state, "type error in array constructor: " + "expected: %s, found %s", + constructor_type->element_type()->name, + result->type->name); + } + + /* Attempt to convert the parameter to a constant valued expression. + * After doing so, track whether or not all the parameters to the + * constructor are trivially constant valued expressions. + */ + ir_rvalue *const constant = result->constant_expression_value(); + + if (constant != NULL) + result = constant; + else + all_parameters_are_constant = false; + + ir->replace_with(result); + } + + if (all_parameters_are_constant) + return new(ctx) ir_constant(constructor_type, &actual_parameters); + + ir_variable *var = new(ctx) ir_variable(constructor_type, "array_ctor", + ir_var_temporary); + instructions->push_tail(var); + + int i = 0; + foreach_list(node, &actual_parameters) { + ir_rvalue *rhs = (ir_rvalue *) node; + ir_rvalue *lhs = new(ctx) ir_dereference_array(var, + new(ctx) ir_constant(i)); + + ir_instruction *assignment = new(ctx) ir_assignment(lhs, rhs, NULL); + instructions->push_tail(assignment); + + i++; + } + + return new(ctx) ir_dereference_variable(var); +} + + +/** + * Try to convert a record constructor to a constant expression + */ +static ir_constant * +constant_record_constructor(const glsl_type *constructor_type, + exec_list *parameters, void *mem_ctx) +{ + foreach_list(node, parameters) { + ir_constant *constant = ((ir_instruction *) node)->as_constant(); + if (constant == NULL) + return NULL; + node->replace_with(constant); + } + + return new(mem_ctx) ir_constant(constructor_type, parameters); +} + + +/** + * Determine if a list consists of a single scalar r-value + */ +bool +single_scalar_parameter(exec_list *parameters) +{ + const ir_rvalue *const p = (ir_rvalue *) parameters->head; + assert(((ir_rvalue *)p)->as_rvalue() != NULL); + + return (p->type->is_scalar() && p->next->is_tail_sentinel()); +} + + +/** + * Generate inline code for a vector constructor + * + * The generated constructor code will consist of a temporary variable + * declaration of the same type as the constructor. A sequence of assignments + * from constructor parameters to the temporary will follow. + * + * \return + * An \c ir_dereference_variable of the temprorary generated in the constructor + * body. + */ +ir_rvalue * +emit_inline_vector_constructor(const glsl_type *type, + exec_list *instructions, + exec_list *parameters, + void *ctx) +{ + assert(!parameters->is_empty()); + + ir_variable *var = new(ctx) ir_variable(type, "vec_ctor", ir_var_temporary); + instructions->push_tail(var); + + /* There are two kinds of vector constructors. + * + * - Construct a vector from a single scalar by replicating that scalar to + * all components of the vector. + * + * - Construct a vector from an arbirary combination of vectors and + * scalars. The components of the constructor parameters are assigned + * to the vector in order until the vector is full. + */ + const unsigned lhs_components = type->components(); + if (single_scalar_parameter(parameters)) { + ir_rvalue *first_param = (ir_rvalue *)parameters->head; + ir_rvalue *rhs = new(ctx) ir_swizzle(first_param, 0, 0, 0, 0, + lhs_components); + ir_dereference_variable *lhs = new(ctx) ir_dereference_variable(var); + const unsigned mask = (1U << lhs_components) - 1; + + assert(rhs->type == lhs->type); + + ir_instruction *inst = new(ctx) ir_assignment(lhs, rhs, NULL, mask); + instructions->push_tail(inst); + } else { + unsigned base_component = 0; + unsigned base_lhs_component = 0; + ir_constant_data data; + unsigned constant_mask = 0, constant_components = 0; + + memset(&data, 0, sizeof(data)); + + foreach_list(node, parameters) { + ir_rvalue *param = (ir_rvalue *) node; + unsigned rhs_components = param->type->components(); + + /* Do not try to assign more components to the vector than it has! + */ + if ((rhs_components + base_lhs_component) > lhs_components) { + rhs_components = lhs_components - base_lhs_component; + } + + const ir_constant *const c = param->as_constant(); + if (c != NULL) { + for (unsigned i = 0; i < rhs_components; i++) { + switch (c->type->base_type) { + case GLSL_TYPE_UINT: + data.u[i + base_component] = c->get_uint_component(i); + break; + case GLSL_TYPE_INT: + data.i[i + base_component] = c->get_int_component(i); + break; + case GLSL_TYPE_FLOAT: + data.f[i + base_component] = c->get_float_component(i); + break; + case GLSL_TYPE_BOOL: + data.b[i + base_component] = c->get_bool_component(i); + break; + default: + assert(!"Should not get here."); + break; + } + } + + /* Mask of fields to be written in the assignment. + */ + constant_mask |= ((1U << rhs_components) - 1) << base_lhs_component; + constant_components++; + + base_component += rhs_components; + } + /* Advance the component index by the number of components + * that were just assigned. + */ + base_lhs_component += rhs_components; + } + + if (constant_mask != 0) { + ir_dereference *lhs = new(ctx) ir_dereference_variable(var); + const glsl_type *rhs_type = glsl_type::get_instance(var->type->base_type, + constant_components, + 1); + ir_rvalue *rhs = new(ctx) ir_constant(rhs_type, &data); + + ir_instruction *inst = + new(ctx) ir_assignment(lhs, rhs, NULL, constant_mask); + instructions->push_tail(inst); + } + + base_component = 0; + foreach_list(node, parameters) { + ir_rvalue *param = (ir_rvalue *) node; + unsigned rhs_components = param->type->components(); + + /* Do not try to assign more components to the vector than it has! + */ + if ((rhs_components + base_component) > lhs_components) { + rhs_components = lhs_components - base_component; + } + + const ir_constant *const c = param->as_constant(); + if (c == NULL) { + /* Generate a swizzle in case rhs_components != rhs->type->vector_elements. */ + unsigned swiz[4] = { 0, 0, 0, 0 }; + for (unsigned i = 0; i < rhs_components; i++) + swiz[i] = i; + + /* Mask of fields to be written in the assignment. + */ + const unsigned write_mask = ((1U << rhs_components) - 1) + << base_component; + + ir_dereference *lhs = new(ctx) ir_dereference_variable(var); + ir_rvalue *rhs = new(ctx) ir_swizzle(param, swiz, rhs_components); + + ir_instruction *inst = + new(ctx) ir_assignment(lhs, rhs, NULL, write_mask); + instructions->push_tail(inst); + } + + /* Advance the component index by the number of components that were + * just assigned. + */ + base_component += rhs_components; + } + } + return new(ctx) ir_dereference_variable(var); +} + + +/** + * Generate assignment of a portion of a vector to a portion of a matrix column + * + * \param src_base First component of the source to be used in assignment + * \param column Column of destination to be assiged + * \param row_base First component of the destination column to be assigned + * \param count Number of components to be assigned + * + * \note + * \c src_base + \c count must be less than or equal to the number of components + * in the source vector. + */ +ir_instruction * +assign_to_matrix_column(ir_variable *var, unsigned column, unsigned row_base, + ir_rvalue *src, unsigned src_base, unsigned count, + void *mem_ctx) +{ + ir_constant *col_idx = new(mem_ctx) ir_constant(column); + ir_dereference *column_ref = new(mem_ctx) ir_dereference_array(var, col_idx); + + assert(column_ref->type->components() >= (row_base + count)); + assert(src->type->components() >= (src_base + count)); + + /* Generate a swizzle that puts the first element of the source at the + * location of the first element of the destination. + */ + unsigned swiz[4] = { src_base, src_base, src_base, src_base }; + for (unsigned i = 0; i < count; i++) + swiz[i + row_base] = i; + + ir_rvalue *const rhs = + new(mem_ctx) ir_swizzle(src, swiz, count); + + /* Mask of fields to be written in the assignment. + */ + const unsigned write_mask = ((1U << count) - 1) << row_base; + + return new(mem_ctx) ir_assignment(column_ref, rhs, NULL, write_mask); +} + + +/** + * Generate inline code for a matrix constructor + * + * The generated constructor code will consist of a temporary variable + * declaration of the same type as the constructor. A sequence of assignments + * from constructor parameters to the temporary will follow. + * + * \return + * An \c ir_dereference_variable of the temprorary generated in the constructor + * body. + */ +ir_rvalue * +emit_inline_matrix_constructor(const glsl_type *type, + exec_list *instructions, + exec_list *parameters, + void *ctx) +{ + assert(!parameters->is_empty()); + + ir_variable *var = new(ctx) ir_variable(type, "mat_ctor", ir_var_temporary); + instructions->push_tail(var); + + /* There are three kinds of matrix constructors. + * + * - Construct a matrix from a single scalar by replicating that scalar to + * along the diagonal of the matrix and setting all other components to + * zero. + * + * - Construct a matrix from an arbirary combination of vectors and + * scalars. The components of the constructor parameters are assigned + * to the matrix in colum-major order until the matrix is full. + * + * - Construct a matrix from a single matrix. The source matrix is copied + * to the upper left portion of the constructed matrix, and the remaining + * elements take values from the identity matrix. + */ + ir_rvalue *const first_param = (ir_rvalue *) parameters->head; + if (single_scalar_parameter(parameters)) { + /* Assign the scalar to the X component of a vec4, and fill the remaining + * components with zero. + */ + ir_variable *rhs_var = + new(ctx) ir_variable(glsl_type::vec4_type, "mat_ctor_vec", + ir_var_temporary); + instructions->push_tail(rhs_var); + + ir_constant_data zero; + zero.f[0] = 0.0; + zero.f[1] = 0.0; + zero.f[2] = 0.0; + zero.f[3] = 0.0; + + ir_instruction *inst = + new(ctx) ir_assignment(new(ctx) ir_dereference_variable(rhs_var), + new(ctx) ir_constant(rhs_var->type, &zero), + NULL); + instructions->push_tail(inst); + + ir_dereference *const rhs_ref = new(ctx) ir_dereference_variable(rhs_var); + + inst = new(ctx) ir_assignment(rhs_ref, first_param, NULL, 0x01); + instructions->push_tail(inst); + + /* Assign the temporary vector to each column of the destination matrix + * with a swizzle that puts the X component on the diagonal of the + * matrix. In some cases this may mean that the X component does not + * get assigned into the column at all (i.e., when the matrix has more + * columns than rows). + */ + static const unsigned rhs_swiz[4][4] = { + { 0, 1, 1, 1 }, + { 1, 0, 1, 1 }, + { 1, 1, 0, 1 }, + { 1, 1, 1, 0 } + }; + + const unsigned cols_to_init = MIN2(type->matrix_columns, + type->vector_elements); + for (unsigned i = 0; i < cols_to_init; i++) { + ir_constant *const col_idx = new(ctx) ir_constant(i); + ir_rvalue *const col_ref = new(ctx) ir_dereference_array(var, col_idx); + + ir_rvalue *const rhs_ref = new(ctx) ir_dereference_variable(rhs_var); + ir_rvalue *const rhs = new(ctx) ir_swizzle(rhs_ref, rhs_swiz[i], + type->vector_elements); + + inst = new(ctx) ir_assignment(col_ref, rhs, NULL); + instructions->push_tail(inst); + } + + for (unsigned i = cols_to_init; i < type->matrix_columns; i++) { + ir_constant *const col_idx = new(ctx) ir_constant(i); + ir_rvalue *const col_ref = new(ctx) ir_dereference_array(var, col_idx); + + ir_rvalue *const rhs_ref = new(ctx) ir_dereference_variable(rhs_var); + ir_rvalue *const rhs = new(ctx) ir_swizzle(rhs_ref, 1, 1, 1, 1, + type->vector_elements); + + inst = new(ctx) ir_assignment(col_ref, rhs, NULL); + instructions->push_tail(inst); + } + } else if (first_param->type->is_matrix()) { + /* From page 50 (56 of the PDF) of the GLSL 1.50 spec: + * + * "If a matrix is constructed from a matrix, then each component + * (column i, row j) in the result that has a corresponding + * component (column i, row j) in the argument will be initialized + * from there. All other components will be initialized to the + * identity matrix. If a matrix argument is given to a matrix + * constructor, it is an error to have any other arguments." + */ + assert(first_param->next->is_tail_sentinel()); + ir_rvalue *const src_matrix = first_param; + + /* If the source matrix is smaller, pre-initialize the relavent parts of + * the destination matrix to the identity matrix. + */ + if ((src_matrix->type->matrix_columns < var->type->matrix_columns) + || (src_matrix->type->vector_elements < var->type->vector_elements)) { + + /* If the source matrix has fewer rows, every column of the destination + * must be initialized. Otherwise only the columns in the destination + * that do not exist in the source must be initialized. + */ + unsigned col = + (src_matrix->type->vector_elements < var->type->vector_elements) + ? 0 : src_matrix->type->matrix_columns; + + const glsl_type *const col_type = var->type->column_type(); + for (/* empty */; col < var->type->matrix_columns; col++) { + ir_constant_data ident; + + ident.f[0] = 0.0; + ident.f[1] = 0.0; + ident.f[2] = 0.0; + ident.f[3] = 0.0; + + ident.f[col] = 1.0; + + ir_rvalue *const rhs = new(ctx) ir_constant(col_type, &ident); + + ir_rvalue *const lhs = + new(ctx) ir_dereference_array(var, new(ctx) ir_constant(col)); + + ir_instruction *inst = new(ctx) ir_assignment(lhs, rhs, NULL); + instructions->push_tail(inst); + } + } + + /* Assign columns from the source matrix to the destination matrix. + * + * Since the parameter will be used in the RHS of multiple assignments, + * generate a temporary and copy the paramter there. + */ + ir_variable *const rhs_var = + new(ctx) ir_variable(first_param->type, "mat_ctor_mat", + ir_var_temporary); + instructions->push_tail(rhs_var); + + ir_dereference *const rhs_var_ref = + new(ctx) ir_dereference_variable(rhs_var); + ir_instruction *const inst = + new(ctx) ir_assignment(rhs_var_ref, first_param, NULL); + instructions->push_tail(inst); + + const unsigned last_row = MIN2(src_matrix->type->vector_elements, + var->type->vector_elements); + const unsigned last_col = MIN2(src_matrix->type->matrix_columns, + var->type->matrix_columns); + + unsigned swiz[4] = { 0, 0, 0, 0 }; + for (unsigned i = 1; i < last_row; i++) + swiz[i] = i; + + const unsigned write_mask = (1U << last_row) - 1; + + for (unsigned i = 0; i < last_col; i++) { + ir_dereference *const lhs = + new(ctx) ir_dereference_array(var, new(ctx) ir_constant(i)); + ir_rvalue *const rhs_col = + new(ctx) ir_dereference_array(rhs_var, new(ctx) ir_constant(i)); + + /* If one matrix has columns that are smaller than the columns of the + * other matrix, wrap the column access of the larger with a swizzle + * so that the LHS and RHS of the assignment have the same size (and + * therefore have the same type). + * + * It would be perfectly valid to unconditionally generate the + * swizzles, this this will typically result in a more compact IR tree. + */ + ir_rvalue *rhs; + if (lhs->type->vector_elements != rhs_col->type->vector_elements) { + rhs = new(ctx) ir_swizzle(rhs_col, swiz, last_row); + } else { + rhs = rhs_col; + } + + ir_instruction *inst = + new(ctx) ir_assignment(lhs, rhs, NULL, write_mask); + instructions->push_tail(inst); + } + } else { + const unsigned cols = type->matrix_columns; + const unsigned rows = type->vector_elements; + unsigned col_idx = 0; + unsigned row_idx = 0; + + foreach_list (node, parameters) { + ir_rvalue *const rhs = (ir_rvalue *) node; + const unsigned components_remaining_this_column = rows - row_idx; + unsigned rhs_components = rhs->type->components(); + unsigned rhs_base = 0; + + /* Since the parameter might be used in the RHS of two assignments, + * generate a temporary and copy the paramter there. + */ + ir_variable *rhs_var = + new(ctx) ir_variable(rhs->type, "mat_ctor_vec", ir_var_temporary); + instructions->push_tail(rhs_var); + + ir_dereference *rhs_var_ref = + new(ctx) ir_dereference_variable(rhs_var); + ir_instruction *inst = new(ctx) ir_assignment(rhs_var_ref, rhs, NULL); + instructions->push_tail(inst); + + /* Assign the current parameter to as many components of the matrix + * as it will fill. + * + * NOTE: A single vector parameter can span two matrix columns. A + * single vec4, for example, can completely fill a mat2. + */ + if (rhs_components >= components_remaining_this_column) { + const unsigned count = MIN2(rhs_components, + components_remaining_this_column); + + rhs_var_ref = new(ctx) ir_dereference_variable(rhs_var); + + ir_instruction *inst = assign_to_matrix_column(var, col_idx, + row_idx, + rhs_var_ref, 0, + count, ctx); + instructions->push_tail(inst); + + rhs_base = count; + + col_idx++; + row_idx = 0; + } + + /* If there is data left in the parameter and components left to be + * set in the destination, emit another assignment. It is possible + * that the assignment could be of a vec4 to the last element of the + * matrix. In this case col_idx==cols, but there is still data + * left in the source parameter. Obviously, don't emit an assignment + * to data outside the destination matrix. + */ + if ((col_idx < cols) && (rhs_base < rhs_components)) { + const unsigned count = rhs_components - rhs_base; + + rhs_var_ref = new(ctx) ir_dereference_variable(rhs_var); + + ir_instruction *inst = assign_to_matrix_column(var, col_idx, + row_idx, + rhs_var_ref, + rhs_base, + count, ctx); + instructions->push_tail(inst); + + row_idx += count; + } + } + } + + return new(ctx) ir_dereference_variable(var); +} + + +ir_rvalue * +emit_inline_record_constructor(const glsl_type *type, + exec_list *instructions, + exec_list *parameters, + void *mem_ctx) +{ + ir_variable *const var = + new(mem_ctx) ir_variable(type, "record_ctor", ir_var_temporary); + ir_dereference_variable *const d = new(mem_ctx) ir_dereference_variable(var); + + instructions->push_tail(var); + + exec_node *node = parameters->head; + for (unsigned i = 0; i < type->length; i++) { + assert(!node->is_tail_sentinel()); + + ir_dereference *const lhs = + new(mem_ctx) ir_dereference_record(d->clone(mem_ctx, NULL), + type->fields.structure[i].name); + + ir_rvalue *const rhs = ((ir_instruction *) node)->as_rvalue(); + assert(rhs != NULL); + + ir_instruction *const assign = new(mem_ctx) ir_assignment(lhs, rhs, NULL); + + instructions->push_tail(assign); + node = node->next; + } + + return d; +} + + +ir_rvalue * +ast_function_expression::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + /* There are three sorts of function calls. + * + * 1. constructors - The first subexpression is an ast_type_specifier. + * 2. methods - Only the .length() method of array types. + * 3. functions - Calls to regular old functions. + * + * Method calls are actually detected when the ast_field_selection + * expression is handled. + */ + if (is_constructor()) { + const ast_type_specifier *type = (ast_type_specifier *) subexpressions[0]; + YYLTYPE loc = type->get_location(); + const char *name; + + const glsl_type *const constructor_type = type->glsl_type(& name, state); + + + /* Constructors for samplers are illegal. + */ + if (constructor_type->is_sampler()) { + _mesa_glsl_error(& loc, state, "cannot construct sampler type `%s'", + constructor_type->name); + return ir_call::get_error_instruction(ctx); + } + + if (constructor_type->is_array()) { + if (state->language_version <= 110) { + _mesa_glsl_error(& loc, state, + "array constructors forbidden in GLSL 1.10"); + return ir_call::get_error_instruction(ctx); + } + + return process_array_constructor(instructions, constructor_type, + & loc, &this->expressions, state); + } + + + /* There are two kinds of constructor call. Constructors for built-in + * language types, such as mat4 and vec2, are free form. The only + * requirement is that the parameters must provide enough values of the + * correct scalar type. Constructors for arrays and structures must + * have the exact number of parameters with matching types in the + * correct order. These constructors follow essentially the same type + * matching rules as functions. + */ + if (!constructor_type->is_numeric() && !constructor_type->is_boolean()) + return ir_call::get_error_instruction(ctx); + + /* Total number of components of the type being constructed. */ + const unsigned type_components = constructor_type->components(); + + /* Number of components from parameters that have actually been + * consumed. This is used to perform several kinds of error checking. + */ + unsigned components_used = 0; + + unsigned matrix_parameters = 0; + unsigned nonmatrix_parameters = 0; + exec_list actual_parameters; + + foreach_list (n, &this->expressions) { + ast_node *ast = exec_node_data(ast_node, n, link); + ir_rvalue *result = ast->hir(instructions, state)->as_rvalue(); + + /* From page 50 (page 56 of the PDF) of the GLSL 1.50 spec: + * + * "It is an error to provide extra arguments beyond this + * last used argument." + */ + if (components_used >= type_components) { + _mesa_glsl_error(& loc, state, "too many parameters to `%s' " + "constructor", + constructor_type->name); + return ir_call::get_error_instruction(ctx); + } + + if (!result->type->is_numeric() && !result->type->is_boolean()) { + _mesa_glsl_error(& loc, state, "cannot construct `%s' from a " + "non-numeric data type", + constructor_type->name); + return ir_call::get_error_instruction(ctx); + } + + /* Count the number of matrix and nonmatrix parameters. This + * is used below to enforce some of the constructor rules. + */ + if (result->type->is_matrix()) + matrix_parameters++; + else + nonmatrix_parameters++; + + actual_parameters.push_tail(result); + components_used += result->type->components(); + } + + /* From page 28 (page 34 of the PDF) of the GLSL 1.10 spec: + * + * "It is an error to construct matrices from other matrices. This + * is reserved for future use." + */ + if (state->language_version == 110 && matrix_parameters > 0 + && constructor_type->is_matrix()) { + _mesa_glsl_error(& loc, state, "cannot construct `%s' from a " + "matrix in GLSL 1.10", + constructor_type->name); + return ir_call::get_error_instruction(ctx); + } + + /* From page 50 (page 56 of the PDF) of the GLSL 1.50 spec: + * + * "If a matrix argument is given to a matrix constructor, it is + * an error to have any other arguments." + */ + if ((matrix_parameters > 0) + && ((matrix_parameters + nonmatrix_parameters) > 1) + && constructor_type->is_matrix()) { + _mesa_glsl_error(& loc, state, "for matrix `%s' constructor, " + "matrix must be only parameter", + constructor_type->name); + return ir_call::get_error_instruction(ctx); + } + + /* From page 28 (page 34 of the PDF) of the GLSL 1.10 spec: + * + * "In these cases, there must be enough components provided in the + * arguments to provide an initializer for every component in the + * constructed value." + */ + if (components_used < type_components && components_used != 1 + && matrix_parameters == 0) { + _mesa_glsl_error(& loc, state, "too few components to construct " + "`%s'", + constructor_type->name); + return ir_call::get_error_instruction(ctx); + } + + /* Later, we cast each parameter to the same base type as the + * constructor. Since there are no non-floating point matrices, we + * need to break them up into a series of column vectors. + */ + if (constructor_type->base_type != GLSL_TYPE_FLOAT) { + foreach_list_safe(n, &actual_parameters) { + ir_rvalue *matrix = (ir_rvalue *) n; + + if (!matrix->type->is_matrix()) + continue; + + /* Create a temporary containing the matrix. */ + ir_variable *var = new(ctx) ir_variable(matrix->type, "matrix_tmp", + ir_var_temporary); + instructions->push_tail(var); + instructions->push_tail(new(ctx) ir_assignment(new(ctx) + ir_dereference_variable(var), matrix, NULL)); + var->constant_value = matrix->constant_expression_value(); + + /* Replace the matrix with dereferences of its columns. */ + for (int i = 0; i < matrix->type->matrix_columns; i++) { + matrix->insert_before(new (ctx) ir_dereference_array(var, + new(ctx) ir_constant(i))); + } + matrix->remove(); + } + } + + bool all_parameters_are_constant = true; + + /* Type cast each parameter and, if possible, fold constants.*/ + foreach_list_safe(n, &actual_parameters) { + ir_rvalue *ir = (ir_rvalue *) n; + + const glsl_type *desired_type = + glsl_type::get_instance(constructor_type->base_type, + ir->type->vector_elements, + ir->type->matrix_columns); + ir_rvalue *result = convert_component(ir, desired_type); + + /* Attempt to convert the parameter to a constant valued expression. + * After doing so, track whether or not all the parameters to the + * constructor are trivially constant valued expressions. + */ + ir_rvalue *const constant = result->constant_expression_value(); + + if (constant != NULL) + result = constant; + else + all_parameters_are_constant = false; + + if (result != ir) { + ir->replace_with(result); + } + } + + /* If all of the parameters are trivially constant, create a + * constant representing the complete collection of parameters. + */ + if (all_parameters_are_constant) { + return new(ctx) ir_constant(constructor_type, &actual_parameters); + } else if (constructor_type->is_scalar()) { + return dereference_component((ir_rvalue *) actual_parameters.head, + 0); + } else if (constructor_type->is_vector()) { + return emit_inline_vector_constructor(constructor_type, + instructions, + &actual_parameters, + ctx); + } else { + assert(constructor_type->is_matrix()); + return emit_inline_matrix_constructor(constructor_type, + instructions, + &actual_parameters, + ctx); + } + } else { + const ast_expression *id = subexpressions[0]; + YYLTYPE loc = id->get_location(); + exec_list actual_parameters; + + process_parameters(instructions, &actual_parameters, &this->expressions, + state); + + const glsl_type *const type = + state->symbols->get_type(id->primary_expression.identifier); + + if ((type != NULL) && type->is_record()) { + exec_node *node = actual_parameters.head; + for (unsigned i = 0; i < type->length; i++) { + ir_rvalue *ir = (ir_rvalue *) node; + + if (node->is_tail_sentinel()) { + _mesa_glsl_error(&loc, state, + "insufficient parameters to constructor " + "for `%s'", + type->name); + return ir_call::get_error_instruction(ctx); + } + + if (apply_implicit_conversion(type->fields.structure[i].type, ir, + state)) { + node->replace_with(ir); + } else { + _mesa_glsl_error(&loc, state, + "parameter type mismatch in constructor " + "for `%s.%s' (%s vs %s)", + type->name, + type->fields.structure[i].name, + ir->type->name, + type->fields.structure[i].type->name); + return ir_call::get_error_instruction(ctx);; + } + + node = node->next; + } + + if (!node->is_tail_sentinel()) { + _mesa_glsl_error(&loc, state, "too many parameters in constructor " + "for `%s'", type->name); + return ir_call::get_error_instruction(ctx); + } + + ir_rvalue *const constant = + constant_record_constructor(type, &actual_parameters, state); + + return (constant != NULL) + ? constant + : emit_inline_record_constructor(type, instructions, + &actual_parameters, state); + } + + return match_function_by_name(instructions, + id->primary_expression.identifier, & loc, + &actual_parameters, state); + } + + return ir_call::get_error_instruction(ctx); +} diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp new file mode 100644 index 000000000..0cbb4315a --- /dev/null +++ b/mesalib/src/glsl/ast_to_hir.cpp @@ -0,0 +1,2769 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ast_to_hir.c + * Convert abstract syntax to to high-level intermediate reprensentation (HIR). + * + * During the conversion to HIR, the majority of the symantic checking is + * preformed on the program. This includes: + * + * * Symbol table management + * * Type checking + * * Function binding + * + * The majority of this work could be done during parsing, and the parser could + * probably generate HIR directly. However, this results in frequent changes + * to the parser code. Since we do not assume that every system this complier + * is built on will have Flex and Bison installed, we have to store the code + * generated by these tools in our version control system. In other parts of + * the system we've seen problems where a parser was changed but the generated + * code was not committed, merge conflicts where created because two developers + * had slightly different versions of Bison installed, etc. + * + * I have also noticed that running Bison generated parsers in GDB is very + * irritating. When you get a segfault on '$$ = $1->foo', you can't very + * well 'print $1' in GDB. + * + * As a result, my preference is to put as little C code as possible in the + * parser (and lexer) sources. + */ + +#include "main/core.h" /* for struct gl_extensions */ +#include "glsl_symbol_table.h" +#include "glsl_parser_extras.h" +#include "ast.h" +#include "glsl_types.h" +#include "ir.h" + +void +_mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) +{ + _mesa_glsl_initialize_variables(instructions, state); + _mesa_glsl_initialize_functions(instructions, state); + + state->symbols->language_version = state->language_version; + + state->current_function = NULL; + + /* Section 4.2 of the GLSL 1.20 specification states: + * "The built-in functions are scoped in a scope outside the global scope + * users declare global variables in. That is, a shader's global scope, + * available for user-defined functions and global variables, is nested + * inside the scope containing the built-in functions." + * + * Since built-in functions like ftransform() access built-in variables, + * it follows that those must be in the outer scope as well. + * + * We push scope here to create this nesting effect...but don't pop. + * This way, a shader's globals are still in the symbol table for use + * by the linker. + */ + state->symbols->push_scope(); + + foreach_list_typed (ast_node, ast, link, & state->translation_unit) + ast->hir(instructions, state); +} + + +/** + * If a conversion is available, convert one operand to a different type + * + * The \c from \c ir_rvalue is converted "in place". + * + * \param to Type that the operand it to be converted to + * \param from Operand that is being converted + * \param state GLSL compiler state + * + * \return + * If a conversion is possible (or unnecessary), \c true is returned. + * Otherwise \c false is returned. + */ +bool +apply_implicit_conversion(const glsl_type *to, ir_rvalue * &from, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + if (to->base_type == from->type->base_type) + return true; + + /* This conversion was added in GLSL 1.20. If the compilation mode is + * GLSL 1.10, the conversion is skipped. + */ + if (state->language_version < 120) + return false; + + /* From page 27 (page 33 of the PDF) of the GLSL 1.50 spec: + * + * "There are no implicit array or structure conversions. For + * example, an array of int cannot be implicitly converted to an + * array of float. There are no implicit conversions between + * signed and unsigned integers." + */ + /* FINISHME: The above comment is partially a lie. There is int/uint + * FINISHME: conversion for immediate constants. + */ + if (!to->is_float() || !from->type->is_numeric()) + return false; + + /* Convert to a floating point type with the same number of components + * as the original type - i.e. int to float, not int to vec4. + */ + to = glsl_type::get_instance(GLSL_TYPE_FLOAT, from->type->vector_elements, + from->type->matrix_columns); + + switch (from->type->base_type) { + case GLSL_TYPE_INT: + from = new(ctx) ir_expression(ir_unop_i2f, to, from, NULL); + break; + case GLSL_TYPE_UINT: + from = new(ctx) ir_expression(ir_unop_u2f, to, from, NULL); + break; + case GLSL_TYPE_BOOL: + from = new(ctx) ir_expression(ir_unop_b2f, to, from, NULL); + break; + default: + assert(0); + } + + return true; +} + + +static const struct glsl_type * +arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, + bool multiply, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + const glsl_type *type_a = value_a->type; + const glsl_type *type_b = value_b->type; + + /* From GLSL 1.50 spec, page 56: + * + * "The arithmetic binary operators add (+), subtract (-), + * multiply (*), and divide (/) operate on integer and + * floating-point scalars, vectors, and matrices." + */ + if (!type_a->is_numeric() || !type_b->is_numeric()) { + _mesa_glsl_error(loc, state, + "Operands to arithmetic operators must be numeric"); + return glsl_type::error_type; + } + + + /* "If one operand is floating-point based and the other is + * not, then the conversions from Section 4.1.10 "Implicit + * Conversions" are applied to the non-floating-point-based operand." + */ + if (!apply_implicit_conversion(type_a, value_b, state) + && !apply_implicit_conversion(type_b, value_a, state)) { + _mesa_glsl_error(loc, state, + "Could not implicitly convert operands to " + "arithmetic operator"); + return glsl_type::error_type; + } + type_a = value_a->type; + type_b = value_b->type; + + /* "If the operands are integer types, they must both be signed or + * both be unsigned." + * + * From this rule and the preceeding conversion it can be inferred that + * both types must be GLSL_TYPE_FLOAT, or GLSL_TYPE_UINT, or GLSL_TYPE_INT. + * The is_numeric check above already filtered out the case where either + * type is not one of these, so now the base types need only be tested for + * equality. + */ + if (type_a->base_type != type_b->base_type) { + _mesa_glsl_error(loc, state, + "base type mismatch for arithmetic operator"); + return glsl_type::error_type; + } + + /* "All arithmetic binary operators result in the same fundamental type + * (signed integer, unsigned integer, or floating-point) as the + * operands they operate on, after operand type conversion. After + * conversion, the following cases are valid + * + * * The two operands are scalars. In this case the operation is + * applied, resulting in a scalar." + */ + if (type_a->is_scalar() && type_b->is_scalar()) + return type_a; + + /* "* One operand is a scalar, and the other is a vector or matrix. + * In this case, the scalar operation is applied independently to each + * component of the vector or matrix, resulting in the same size + * vector or matrix." + */ + if (type_a->is_scalar()) { + if (!type_b->is_scalar()) + return type_b; + } else if (type_b->is_scalar()) { + return type_a; + } + + /* All of the combinations of <scalar, scalar>, <vector, scalar>, + * <scalar, vector>, <scalar, matrix>, and <matrix, scalar> have been + * handled. + */ + assert(!type_a->is_scalar()); + assert(!type_b->is_scalar()); + + /* "* The two operands are vectors of the same size. In this case, the + * operation is done component-wise resulting in the same size + * vector." + */ + if (type_a->is_vector() && type_b->is_vector()) { + if (type_a == type_b) { + return type_a; + } else { + _mesa_glsl_error(loc, state, + "vector size mismatch for arithmetic operator"); + return glsl_type::error_type; + } + } + + /* All of the combinations of <scalar, scalar>, <vector, scalar>, + * <scalar, vector>, <scalar, matrix>, <matrix, scalar>, and + * <vector, vector> have been handled. At least one of the operands must + * be matrix. Further, since there are no integer matrix types, the base + * type of both operands must be float. + */ + assert(type_a->is_matrix() || type_b->is_matrix()); + assert(type_a->base_type == GLSL_TYPE_FLOAT); + assert(type_b->base_type == GLSL_TYPE_FLOAT); + + /* "* The operator is add (+), subtract (-), or divide (/), and the + * operands are matrices with the same number of rows and the same + * number of columns. In this case, the operation is done component- + * wise resulting in the same size matrix." + * * The operator is multiply (*), where both operands are matrices or + * one operand is a vector and the other a matrix. A right vector + * operand is treated as a column vector and a left vector operand as a + * row vector. In all these cases, it is required that the number of + * columns of the left operand is equal to the number of rows of the + * right operand. Then, the multiply (*) operation does a linear + * algebraic multiply, yielding an object that has the same number of + * rows as the left operand and the same number of columns as the right + * operand. Section 5.10 "Vector and Matrix Operations" explains in + * more detail how vectors and matrices are operated on." + */ + if (! multiply) { + if (type_a == type_b) + return type_a; + } else { + if (type_a->is_matrix() && type_b->is_matrix()) { + /* Matrix multiply. The columns of A must match the rows of B. Given + * the other previously tested constraints, this means the vector type + * of a row from A must be the same as the vector type of a column from + * B. + */ + if (type_a->row_type() == type_b->column_type()) { + /* The resulting matrix has the number of columns of matrix B and + * the number of rows of matrix A. We get the row count of A by + * looking at the size of a vector that makes up a column. The + * transpose (size of a row) is done for B. + */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_a->column_type()->vector_elements, + type_b->row_type()->vector_elements); + assert(type != glsl_type::error_type); + + return type; + } + } else if (type_a->is_matrix()) { + /* A is a matrix and B is a column vector. Columns of A must match + * rows of B. Given the other previously tested constraints, this + * means the vector type of a row from A must be the same as the + * vector the type of B. + */ + if (type_a->row_type() == type_b) { + /* The resulting vector has a number of elements equal to + * the number of rows of matrix A. */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_a->column_type()->vector_elements, + 1); + assert(type != glsl_type::error_type); + + return type; + } + } else { + assert(type_b->is_matrix()); + + /* A is a row vector and B is a matrix. Columns of A must match rows + * of B. Given the other previously tested constraints, this means + * the type of A must be the same as the vector type of a column from + * B. + */ + if (type_a == type_b->column_type()) { + /* The resulting vector has a number of elements equal to + * the number of columns of matrix B. */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_b->row_type()->vector_elements, + 1); + assert(type != glsl_type::error_type); + + return type; + } + } + + _mesa_glsl_error(loc, state, "size mismatch for matrix multiplication"); + return glsl_type::error_type; + } + + + /* "All other cases are illegal." + */ + _mesa_glsl_error(loc, state, "type mismatch"); + return glsl_type::error_type; +} + + +static const struct glsl_type * +unary_arithmetic_result_type(const struct glsl_type *type, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + /* From GLSL 1.50 spec, page 57: + * + * "The arithmetic unary operators negate (-), post- and pre-increment + * and decrement (-- and ++) operate on integer or floating-point + * values (including vectors and matrices). All unary operators work + * component-wise on their operands. These result with the same type + * they operated on." + */ + if (!type->is_numeric()) { + _mesa_glsl_error(loc, state, + "Operands to arithmetic operators must be numeric"); + return glsl_type::error_type; + } + + return type; +} + + +static const struct glsl_type * +modulus_result_type(const struct glsl_type *type_a, + const struct glsl_type *type_b, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + /* From GLSL 1.50 spec, page 56: + * "The operator modulus (%) operates on signed or unsigned integers or + * integer vectors. The operand types must both be signed or both be + * unsigned." + */ + if (!type_a->is_integer() || !type_b->is_integer() + || (type_a->base_type != type_b->base_type)) { + _mesa_glsl_error(loc, state, "type mismatch"); + return glsl_type::error_type; + } + + /* "The operands cannot be vectors of differing size. If one operand is + * a scalar and the other vector, then the scalar is applied component- + * wise to the vector, resulting in the same type as the vector. If both + * are vectors of the same size, the result is computed component-wise." + */ + if (type_a->is_vector()) { + if (!type_b->is_vector() + || (type_a->vector_elements == type_b->vector_elements)) + return type_a; + } else + return type_b; + + /* "The operator modulus (%) is not defined for any other data types + * (non-integer types)." + */ + _mesa_glsl_error(loc, state, "type mismatch"); + return glsl_type::error_type; +} + + +static const struct glsl_type * +relational_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + const glsl_type *type_a = value_a->type; + const glsl_type *type_b = value_b->type; + + /* From GLSL 1.50 spec, page 56: + * "The relational operators greater than (>), less than (<), greater + * than or equal (>=), and less than or equal (<=) operate only on + * scalar integer and scalar floating-point expressions." + */ + if (!type_a->is_numeric() + || !type_b->is_numeric() + || !type_a->is_scalar() + || !type_b->is_scalar()) { + _mesa_glsl_error(loc, state, + "Operands to relational operators must be scalar and " + "numeric"); + return glsl_type::error_type; + } + + /* "Either the operands' types must match, or the conversions from + * Section 4.1.10 "Implicit Conversions" will be applied to the integer + * operand, after which the types must match." + */ + if (!apply_implicit_conversion(type_a, value_b, state) + && !apply_implicit_conversion(type_b, value_a, state)) { + _mesa_glsl_error(loc, state, + "Could not implicitly convert operands to " + "relational operator"); + return glsl_type::error_type; + } + type_a = value_a->type; + type_b = value_b->type; + + if (type_a->base_type != type_b->base_type) { + _mesa_glsl_error(loc, state, "base type mismatch"); + return glsl_type::error_type; + } + + /* "The result is scalar Boolean." + */ + return glsl_type::bool_type; +} + + +/** + * Validates that a value can be assigned to a location with a specified type + * + * Validates that \c rhs can be assigned to some location. If the types are + * not an exact match but an automatic conversion is possible, \c rhs will be + * converted. + * + * \return + * \c NULL if \c rhs cannot be assigned to a location with type \c lhs_type. + * Otherwise the actual RHS to be assigned will be returned. This may be + * \c rhs, or it may be \c rhs after some type conversion. + * + * \note + * In addition to being used for assignments, this function is used to + * type-check return values. + */ +ir_rvalue * +validate_assignment(struct _mesa_glsl_parse_state *state, + const glsl_type *lhs_type, ir_rvalue *rhs) +{ + const glsl_type *rhs_type = rhs->type; + + /* If there is already some error in the RHS, just return it. Anything + * else will lead to an avalanche of error message back to the user. + */ + if (rhs_type->is_error()) + return rhs; + + /* If the types are identical, the assignment can trivially proceed. + */ + if (rhs_type == lhs_type) + return rhs; + + /* If the array element types are the same and the size of the LHS is zero, + * the assignment is okay. + * + * Note: Whole-array assignments are not permitted in GLSL 1.10, but this + * is handled by ir_dereference::is_lvalue. + */ + if (lhs_type->is_array() && rhs->type->is_array() + && (lhs_type->element_type() == rhs->type->element_type()) + && (lhs_type->array_size() == 0)) { + return rhs; + } + + /* Check for implicit conversion in GLSL 1.20 */ + if (apply_implicit_conversion(lhs_type, rhs, state)) { + rhs_type = rhs->type; + if (rhs_type == lhs_type) + return rhs; + } + + return NULL; +} + +ir_rvalue * +do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state, + ir_rvalue *lhs, ir_rvalue *rhs, + YYLTYPE lhs_loc) +{ + void *ctx = state; + bool error_emitted = (lhs->type->is_error() || rhs->type->is_error()); + + if (!error_emitted) { + if (!lhs->is_lvalue()) { + _mesa_glsl_error(& lhs_loc, state, "non-lvalue in assignment"); + error_emitted = true; + } + + if (state->es_shader && lhs->type->is_array()) { + _mesa_glsl_error(&lhs_loc, state, "whole array assignment is not " + "allowed in GLSL ES 1.00."); + error_emitted = true; + } + } + + ir_rvalue *new_rhs = validate_assignment(state, lhs->type, rhs); + if (new_rhs == NULL) { + _mesa_glsl_error(& lhs_loc, state, "type mismatch"); + } else { + rhs = new_rhs; + + /* If the LHS array was not declared with a size, it takes it size from + * the RHS. If the LHS is an l-value and a whole array, it must be a + * dereference of a variable. Any other case would require that the LHS + * is either not an l-value or not a whole array. + */ + if (lhs->type->array_size() == 0) { + ir_dereference *const d = lhs->as_dereference(); + + assert(d != NULL); + + ir_variable *const var = d->variable_referenced(); + + assert(var != NULL); + + if (var->max_array_access >= unsigned(rhs->type->array_size())) { + /* FINISHME: This should actually log the location of the RHS. */ + _mesa_glsl_error(& lhs_loc, state, "array size must be > %u due to " + "previous access", + var->max_array_access); + } + + var->type = glsl_type::get_array_instance(lhs->type->element_type(), + rhs->type->array_size()); + d->type = var->type; + } + } + + /* Most callers of do_assignment (assign, add_assign, pre_inc/dec, + * but not post_inc) need the converted assigned value as an rvalue + * to handle things like: + * + * i = j += 1; + * + * So we always just store the computed value being assigned to a + * temporary and return a deref of that temporary. If the rvalue + * ends up not being used, the temp will get copy-propagated out. + */ + ir_variable *var = new(ctx) ir_variable(rhs->type, "assignment_tmp", + ir_var_temporary); + ir_dereference_variable *deref_var = new(ctx) ir_dereference_variable(var); + instructions->push_tail(var); + instructions->push_tail(new(ctx) ir_assignment(deref_var, + rhs, + NULL)); + deref_var = new(ctx) ir_dereference_variable(var); + + if (!error_emitted) + instructions->push_tail(new(ctx) ir_assignment(lhs, deref_var, NULL)); + + return new(ctx) ir_dereference_variable(var); +} + +static ir_rvalue * +get_lvalue_copy(exec_list *instructions, ir_rvalue *lvalue) +{ + void *ctx = talloc_parent(lvalue); + ir_variable *var; + + var = new(ctx) ir_variable(lvalue->type, "_post_incdec_tmp", + ir_var_temporary); + instructions->push_tail(var); + var->mode = ir_var_auto; + + instructions->push_tail(new(ctx) ir_assignment(new(ctx) ir_dereference_variable(var), + lvalue, NULL)); + + /* Once we've created this temporary, mark it read only so it's no + * longer considered an lvalue. + */ + var->read_only = true; + + return new(ctx) ir_dereference_variable(var); +} + + +ir_rvalue * +ast_node::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + (void) instructions; + (void) state; + + return NULL; +} + + +ir_rvalue * +ast_expression::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + static const int operations[AST_NUM_OPERATORS] = { + -1, /* ast_assign doesn't convert to ir_expression. */ + -1, /* ast_plus doesn't convert to ir_expression. */ + ir_unop_neg, + ir_binop_add, + ir_binop_sub, + ir_binop_mul, + ir_binop_div, + ir_binop_mod, + ir_binop_lshift, + ir_binop_rshift, + ir_binop_less, + ir_binop_greater, + ir_binop_lequal, + ir_binop_gequal, + ir_binop_all_equal, + ir_binop_any_nequal, + ir_binop_bit_and, + ir_binop_bit_xor, + ir_binop_bit_or, + ir_unop_bit_not, + ir_binop_logic_and, + ir_binop_logic_xor, + ir_binop_logic_or, + ir_unop_logic_not, + + /* Note: The following block of expression types actually convert + * to multiple IR instructions. + */ + ir_binop_mul, /* ast_mul_assign */ + ir_binop_div, /* ast_div_assign */ + ir_binop_mod, /* ast_mod_assign */ + ir_binop_add, /* ast_add_assign */ + ir_binop_sub, /* ast_sub_assign */ + ir_binop_lshift, /* ast_ls_assign */ + ir_binop_rshift, /* ast_rs_assign */ + ir_binop_bit_and, /* ast_and_assign */ + ir_binop_bit_xor, /* ast_xor_assign */ + ir_binop_bit_or, /* ast_or_assign */ + + -1, /* ast_conditional doesn't convert to ir_expression. */ + ir_binop_add, /* ast_pre_inc. */ + ir_binop_sub, /* ast_pre_dec. */ + ir_binop_add, /* ast_post_inc. */ + ir_binop_sub, /* ast_post_dec. */ + -1, /* ast_field_selection doesn't conv to ir_expression. */ + -1, /* ast_array_index doesn't convert to ir_expression. */ + -1, /* ast_function_call doesn't conv to ir_expression. */ + -1, /* ast_identifier doesn't convert to ir_expression. */ + -1, /* ast_int_constant doesn't convert to ir_expression. */ + -1, /* ast_uint_constant doesn't conv to ir_expression. */ + -1, /* ast_float_constant doesn't conv to ir_expression. */ + -1, /* ast_bool_constant doesn't conv to ir_expression. */ + -1, /* ast_sequence doesn't convert to ir_expression. */ + }; + ir_rvalue *result = NULL; + ir_rvalue *op[3]; + const struct glsl_type *type = glsl_type::error_type; + bool error_emitted = false; + YYLTYPE loc; + + loc = this->get_location(); + + switch (this->oper) { + case ast_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + result = do_assignment(instructions, state, op[0], op[1], + this->subexpressions[0]->get_location()); + error_emitted = result->type->is_error(); + type = result->type; + break; + } + + case ast_plus: + op[0] = this->subexpressions[0]->hir(instructions, state); + + type = unary_arithmetic_result_type(op[0]->type, state, & loc); + + error_emitted = type->is_error(); + + result = op[0]; + break; + + case ast_neg: + op[0] = this->subexpressions[0]->hir(instructions, state); + + type = unary_arithmetic_result_type(op[0]->type, state, & loc); + + error_emitted = type->is_error(); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], NULL); + break; + + case ast_add: + case ast_sub: + case ast_mul: + case ast_div: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = arithmetic_result_type(op[0], op[1], + (this->oper == ast_mul), + state, & loc); + error_emitted = type->is_error(); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + break; + + case ast_mod: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = modulus_result_type(op[0]->type, op[1]->type, state, & loc); + + assert(operations[this->oper] == ir_binop_mod); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = type->is_error(); + break; + + case ast_lshift: + case ast_rshift: + _mesa_glsl_error(& loc, state, "FINISHME: implement bit-shift operators"); + error_emitted = true; + break; + + case ast_less: + case ast_greater: + case ast_lequal: + case ast_gequal: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = relational_result_type(op[0], op[1], state, & loc); + + /* The relational operators must either generate an error or result + * in a scalar boolean. See page 57 of the GLSL 1.50 spec. + */ + assert(type->is_error() + || ((type->base_type == GLSL_TYPE_BOOL) + && type->is_scalar())); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = type->is_error(); + break; + + case ast_nequal: + case ast_equal: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + /* From page 58 (page 64 of the PDF) of the GLSL 1.50 spec: + * + * "The equality operators equal (==), and not equal (!=) + * operate on all types. They result in a scalar Boolean. If + * the operand types do not match, then there must be a + * conversion from Section 4.1.10 "Implicit Conversions" + * applied to one operand that can make them match, in which + * case this conversion is done." + */ + if ((!apply_implicit_conversion(op[0]->type, op[1], state) + && !apply_implicit_conversion(op[1]->type, op[0], state)) + || (op[0]->type != op[1]->type)) { + _mesa_glsl_error(& loc, state, "operands of `%s' must have the same " + "type", (this->oper == ast_equal) ? "==" : "!="); + error_emitted = true; + } else if ((state->language_version <= 110) + && (op[0]->type->is_array() || op[1]->type->is_array())) { + _mesa_glsl_error(& loc, state, "array comparisons forbidden in " + "GLSL 1.10"); + error_emitted = true; + } + + result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, + op[0], op[1]); + type = glsl_type::bool_type; + + assert(result->type == glsl_type::bool_type); + break; + + case ast_bit_and: + case ast_bit_xor: + case ast_bit_or: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + if (state->language_version < 130) { + _mesa_glsl_error(&loc, state, "bit-wise operations require GLSL 1.30"); + error_emitted = true; + } + + if (!op[0]->type->is_integer()) { + _mesa_glsl_error(&loc, state, "LHS of `%s' must be an integer", + operator_string(this->oper)); + error_emitted = true; + } + + if (!op[1]->type->is_integer()) { + _mesa_glsl_error(&loc, state, "RHS of `%s' must be an integer", + operator_string(this->oper)); + error_emitted = true; + } + + if (op[0]->type->base_type != op[1]->type->base_type) { + _mesa_glsl_error(&loc, state, "operands of `%s' must have the same " + "base type", operator_string(this->oper)); + error_emitted = true; + } + + if (op[0]->type->is_vector() && op[1]->type->is_vector() + && op[0]->type->vector_elements != op[1]->type->vector_elements) { + _mesa_glsl_error(&loc, state, "operands of `%s' cannot be vectors of " + "different sizes", operator_string(this->oper)); + error_emitted = true; + } + + type = op[0]->type->is_scalar() ? op[1]->type : op[0]->type; + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + break; + + case ast_bit_not: + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (state->language_version < 130) { + _mesa_glsl_error(&loc, state, "bit-wise operations require GLSL 1.30"); + error_emitted = true; + } + + if (!op[0]->type->is_integer()) { + _mesa_glsl_error(&loc, state, "operand of `~' must be an integer"); + error_emitted = true; + } + + type = op[0]->type; + result = new(ctx) ir_expression(ir_unop_bit_not, type, op[0], NULL); + break; + + case ast_logic_and: { + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, "LHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_constant *op0_const = op[0]->constant_expression_value(); + if (op0_const) { + if (op0_const->value.b[0]) { + op[1] = this->subexpressions[1]->hir(instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, + "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + result = op[1]; + } else { + result = op0_const; + } + type = glsl_type::bool_type; + } else { + ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, + "and_tmp", + ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + op[1] = this->subexpressions[1]->hir(&stmt->then_instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, + "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, op[1], NULL); + stmt->then_instructions.push_tail(then_assign); + + ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, new(ctx) ir_constant(false), NULL); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + type = tmp->type; + } + break; + } + + case ast_logic_or: { + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, "LHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_constant *op0_const = op[0]->constant_expression_value(); + if (op0_const) { + if (op0_const->value.b[0]) { + result = op0_const; + } else { + op[1] = this->subexpressions[1]->hir(instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, + "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + result = op[1]; + } + type = glsl_type::bool_type; + } else { + ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, + "or_tmp", + ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + op[1] = this->subexpressions[1]->hir(&stmt->else_instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, new(ctx) ir_constant(true), NULL); + stmt->then_instructions.push_tail(then_assign); + + ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, op[1], NULL); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + type = tmp->type; + } + break; + } + + case ast_logic_xor: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + + result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, + op[0], op[1]); + type = glsl_type::bool_type; + break; + + case ast_logic_not: + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, + "operand of `!' must be scalar boolean"); + error_emitted = true; + } + + result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, + op[0], NULL); + type = glsl_type::bool_type; + break; + + case ast_mul_assign: + case ast_div_assign: + case ast_add_assign: + case ast_sub_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = arithmetic_result_type(op[0], op[1], + (this->oper == ast_mul_assign), + state, & loc); + + ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + result = do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + type = result->type; + error_emitted = (op[0]->type->is_error()); + + /* GLSL 1.10 does not allow array assignment. However, we don't have to + * explicitly test for this because none of the binary expression + * operators allow array operands either. + */ + + break; + } + + case ast_mod_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = modulus_result_type(op[0]->type, op[1]->type, state, & loc); + + assert(operations[this->oper] == ir_binop_mod); + + ir_rvalue *temp_rhs; + temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + result = do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + type = result->type; + error_emitted = type->is_error(); + break; + } + + case ast_ls_assign: + case ast_rs_assign: + _mesa_glsl_error(& loc, state, + "FINISHME: implement bit-shift assignment operators"); + error_emitted = true; + break; + + case ast_and_assign: + case ast_xor_assign: + case ast_or_assign: + _mesa_glsl_error(& loc, state, + "FINISHME: implement logic assignment operators"); + error_emitted = true; + break; + + case ast_conditional: { + op[0] = this->subexpressions[0]->hir(instructions, state); + + /* From page 59 (page 65 of the PDF) of the GLSL 1.50 spec: + * + * "The ternary selection operator (?:). It operates on three + * expressions (exp1 ? exp2 : exp3). This operator evaluates the + * first expression, which must result in a scalar Boolean." + */ + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, "?: condition must be scalar boolean"); + error_emitted = true; + } + + /* The :? operator is implemented by generating an anonymous temporary + * followed by an if-statement. The last instruction in each branch of + * the if-statement assigns a value to the anonymous temporary. This + * temporary is the r-value of the expression. + */ + exec_list then_instructions; + exec_list else_instructions; + + op[1] = this->subexpressions[1]->hir(&then_instructions, state); + op[2] = this->subexpressions[2]->hir(&else_instructions, state); + + /* From page 59 (page 65 of the PDF) of the GLSL 1.50 spec: + * + * "The second and third expressions can be any type, as + * long their types match, or there is a conversion in + * Section 4.1.10 "Implicit Conversions" that can be applied + * to one of the expressions to make their types match. This + * resulting matching type is the type of the entire + * expression." + */ + if ((!apply_implicit_conversion(op[1]->type, op[2], state) + && !apply_implicit_conversion(op[2]->type, op[1], state)) + || (op[1]->type != op[2]->type)) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, "Second and third operands of ?: " + "operator must have matching types."); + error_emitted = true; + type = glsl_type::error_type; + } else { + type = op[1]->type; + } + + /* From page 33 (page 39 of the PDF) of the GLSL 1.10 spec: + * + * "The second and third expressions must be the same type, but can + * be of any type other than an array." + */ + if ((state->language_version <= 110) && type->is_array()) { + _mesa_glsl_error(& loc, state, "Second and third operands of ?: " + "operator must not be arrays."); + error_emitted = true; + } + + ir_constant *cond_val = op[0]->constant_expression_value(); + ir_constant *then_val = op[1]->constant_expression_value(); + ir_constant *else_val = op[2]->constant_expression_value(); + + if (then_instructions.is_empty() + && else_instructions.is_empty() + && (cond_val != NULL) && (then_val != NULL) && (else_val != NULL)) { + result = (cond_val->value.b[0]) ? then_val : else_val; + } else { + ir_variable *const tmp = + new(ctx) ir_variable(type, "conditional_tmp", ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + then_instructions.move_nodes_to(& stmt->then_instructions); + ir_dereference *const then_deref = + new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, op[1], NULL); + stmt->then_instructions.push_tail(then_assign); + + else_instructions.move_nodes_to(& stmt->else_instructions); + ir_dereference *const else_deref = + new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, op[2], NULL); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + } + break; + } + + case ast_pre_inc: + case ast_pre_dec: { + op[0] = this->subexpressions[0]->hir(instructions, state); + if (op[0]->type->base_type == GLSL_TYPE_FLOAT) + op[1] = new(ctx) ir_constant(1.0f); + else + op[1] = new(ctx) ir_constant(1); + + type = arithmetic_result_type(op[0], op[1], false, state, & loc); + + ir_rvalue *temp_rhs; + temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + result = do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + type = result->type; + error_emitted = op[0]->type->is_error(); + break; + } + + case ast_post_inc: + case ast_post_dec: { + op[0] = this->subexpressions[0]->hir(instructions, state); + if (op[0]->type->base_type == GLSL_TYPE_FLOAT) + op[1] = new(ctx) ir_constant(1.0f); + else + op[1] = new(ctx) ir_constant(1); + + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + + type = arithmetic_result_type(op[0], op[1], false, state, & loc); + + ir_rvalue *temp_rhs; + temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + /* Get a temporary of a copy of the lvalue before it's modified. + * This may get thrown away later. + */ + result = get_lvalue_copy(instructions, op[0]->clone(ctx, NULL)); + + (void)do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + + type = result->type; + error_emitted = op[0]->type->is_error(); + break; + } + + case ast_field_selection: + result = _mesa_ast_field_selection_to_hir(this, instructions, state); + type = result->type; + break; + + case ast_array_index: { + YYLTYPE index_loc = subexpressions[1]->get_location(); + + op[0] = subexpressions[0]->hir(instructions, state); + op[1] = subexpressions[1]->hir(instructions, state); + + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + + ir_rvalue *const array = op[0]; + + result = new(ctx) ir_dereference_array(op[0], op[1]); + + /* Do not use op[0] after this point. Use array. + */ + op[0] = NULL; + + + if (error_emitted) + break; + + if (!array->type->is_array() + && !array->type->is_matrix() + && !array->type->is_vector()) { + _mesa_glsl_error(& index_loc, state, + "cannot dereference non-array / non-matrix / " + "non-vector"); + error_emitted = true; + } + + if (!op[1]->type->is_integer()) { + _mesa_glsl_error(& index_loc, state, + "array index must be integer type"); + error_emitted = true; + } else if (!op[1]->type->is_scalar()) { + _mesa_glsl_error(& index_loc, state, + "array index must be scalar"); + error_emitted = true; + } + + /* If the array index is a constant expression and the array has a + * declared size, ensure that the access is in-bounds. If the array + * index is not a constant expression, ensure that the array has a + * declared size. + */ + ir_constant *const const_index = op[1]->constant_expression_value(); + if (const_index != NULL) { + const int idx = const_index->value.i[0]; + const char *type_name; + unsigned bound = 0; + + if (array->type->is_matrix()) { + type_name = "matrix"; + } else if (array->type->is_vector()) { + type_name = "vector"; + } else { + type_name = "array"; + } + + /* From page 24 (page 30 of the PDF) of the GLSL 1.50 spec: + * + * "It is illegal to declare an array with a size, and then + * later (in the same shader) index the same array with an + * integral constant expression greater than or equal to the + * declared size. It is also illegal to index an array with a + * negative constant expression." + */ + if (array->type->is_matrix()) { + if (array->type->row_type()->vector_elements <= idx) { + bound = array->type->row_type()->vector_elements; + } + } else if (array->type->is_vector()) { + if (array->type->vector_elements <= idx) { + bound = array->type->vector_elements; + } + } else { + if ((array->type->array_size() > 0) + && (array->type->array_size() <= idx)) { + bound = array->type->array_size(); + } + } + + if (bound > 0) { + _mesa_glsl_error(& loc, state, "%s index must be < %u", + type_name, bound); + error_emitted = true; + } else if (idx < 0) { + _mesa_glsl_error(& loc, state, "%s index must be >= 0", + type_name); + error_emitted = true; + } + + if (array->type->is_array()) { + /* If the array is a variable dereference, it dereferences the + * whole array, by definition. Use this to get the variable. + * + * FINISHME: Should some methods for getting / setting / testing + * FINISHME: array access limits be added to ir_dereference? + */ + ir_variable *const v = array->whole_variable_referenced(); + if ((v != NULL) && (unsigned(idx) > v->max_array_access)) + v->max_array_access = idx; + } + } else if (array->type->array_size() == 0) { + _mesa_glsl_error(&loc, state, "unsized array index must be constant"); + } else { + if (array->type->is_array()) { + /* whole_variable_referenced can return NULL if the array is a + * member of a structure. In this case it is safe to not update + * the max_array_access field because it is never used for fields + * of structures. + */ + ir_variable *v = array->whole_variable_referenced(); + if (v != NULL) + v->max_array_access = array->type->array_size(); + } + } + + if (error_emitted) + result->type = glsl_type::error_type; + + type = result->type; + break; + } + + case ast_function_call: + /* Should *NEVER* get here. ast_function_call should always be handled + * by ast_function_expression::hir. + */ + assert(0); + break; + + case ast_identifier: { + /* ast_identifier can appear several places in a full abstract syntax + * tree. This particular use must be at location specified in the grammar + * as 'variable_identifier'. + */ + ir_variable *var = + state->symbols->get_variable(this->primary_expression.identifier); + + result = new(ctx) ir_dereference_variable(var); + + if (var != NULL) { + type = result->type; + } else { + _mesa_glsl_error(& loc, state, "`%s' undeclared", + this->primary_expression.identifier); + + error_emitted = true; + } + break; + } + + case ast_int_constant: + type = glsl_type::int_type; + result = new(ctx) ir_constant(this->primary_expression.int_constant); + break; + + case ast_uint_constant: + type = glsl_type::uint_type; + result = new(ctx) ir_constant(this->primary_expression.uint_constant); + break; + + case ast_float_constant: + type = glsl_type::float_type; + result = new(ctx) ir_constant(this->primary_expression.float_constant); + break; + + case ast_bool_constant: + type = glsl_type::bool_type; + result = new(ctx) ir_constant(bool(this->primary_expression.bool_constant)); + break; + + case ast_sequence: { + /* It should not be possible to generate a sequence in the AST without + * any expressions in it. + */ + assert(!this->expressions.is_empty()); + + /* The r-value of a sequence is the last expression in the sequence. If + * the other expressions in the sequence do not have side-effects (and + * therefore add instructions to the instruction list), they get dropped + * on the floor. + */ + foreach_list_typed (ast_node, ast, link, &this->expressions) + result = ast->hir(instructions, state); + + type = result->type; + + /* Any errors should have already been emitted in the loop above. + */ + error_emitted = true; + break; + } + } + + if (type->is_error() && !error_emitted) + _mesa_glsl_error(& loc, state, "type mismatch"); + + return result; +} + + +ir_rvalue * +ast_expression_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + /* It is possible to have expression statements that don't have an + * expression. This is the solitary semicolon: + * + * for (i = 0; i < 5; i++) + * ; + * + * In this case the expression will be NULL. Test for NULL and don't do + * anything in that case. + */ + if (expression != NULL) + expression->hir(instructions, state); + + /* Statements do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_compound_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + if (new_scope) + state->symbols->push_scope(); + + foreach_list_typed (ast_node, ast, link, &this->statements) + ast->hir(instructions, state); + + if (new_scope) + state->symbols->pop_scope(); + + /* Compound statements do not have r-values. + */ + return NULL; +} + + +static const glsl_type * +process_array_type(YYLTYPE *loc, const glsl_type *base, ast_node *array_size, + struct _mesa_glsl_parse_state *state) +{ + unsigned length = 0; + + /* FINISHME: Reject delcarations of multidimensional arrays. */ + + if (array_size != NULL) { + exec_list dummy_instructions; + ir_rvalue *const ir = array_size->hir(& dummy_instructions, state); + YYLTYPE loc = array_size->get_location(); + + /* FINISHME: Verify that the grammar forbids side-effects in array + * FINISHME: sizes. i.e., 'vec4 [x = 12] data' + */ + assert(dummy_instructions.is_empty()); + + if (ir != NULL) { + if (!ir->type->is_integer()) { + _mesa_glsl_error(& loc, state, "array size must be integer type"); + } else if (!ir->type->is_scalar()) { + _mesa_glsl_error(& loc, state, "array size must be scalar type"); + } else { + ir_constant *const size = ir->constant_expression_value(); + + if (size == NULL) { + _mesa_glsl_error(& loc, state, "array size must be a " + "constant valued expression"); + } else if (size->value.i[0] <= 0) { + _mesa_glsl_error(& loc, state, "array size must be > 0"); + } else { + assert(size->type == ir->type); + length = size->value.u[0]; + } + } + } + } else if (state->es_shader) { + /* Section 10.17 of the GLSL ES 1.00 specification states that unsized + * array declarations have been removed from the language. + */ + _mesa_glsl_error(loc, state, "unsized array declarations are not " + "allowed in GLSL ES 1.00."); + } + + return glsl_type::get_array_instance(base, length); +} + + +const glsl_type * +ast_type_specifier::glsl_type(const char **name, + struct _mesa_glsl_parse_state *state) const +{ + const struct glsl_type *type; + + type = state->symbols->get_type(this->type_name); + *name = this->type_name; + + if (this->is_array) { + YYLTYPE loc = this->get_location(); + type = process_array_type(&loc, type, this->array_size, state); + } + + return type; +} + + +static void +apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, + ir_variable *var, + struct _mesa_glsl_parse_state *state, + YYLTYPE *loc) +{ + if (qual->invariant) + var->invariant = 1; + + /* FINISHME: Mark 'in' variables at global scope as read-only. */ + if (qual->constant || qual->attribute || qual->uniform + || (qual->varying && (state->target == fragment_shader))) + var->read_only = 1; + + if (qual->centroid) + var->centroid = 1; + + if (qual->attribute && state->target != vertex_shader) { + var->type = glsl_type::error_type; + _mesa_glsl_error(loc, state, + "`attribute' variables may not be declared in the " + "%s shader", + _mesa_glsl_shader_target_name(state->target)); + } + + /* From page 25 (page 31 of the PDF) of the GLSL 1.10 spec: + * + * "The varying qualifier can be used only with the data types + * float, vec2, vec3, vec4, mat2, mat3, and mat4, or arrays of + * these." + */ + if (qual->varying) { + const glsl_type *non_array_type; + + if (var->type && var->type->is_array()) + non_array_type = var->type->fields.array; + else + non_array_type = var->type; + + if (non_array_type && non_array_type->base_type != GLSL_TYPE_FLOAT) { + var->type = glsl_type::error_type; + _mesa_glsl_error(loc, state, + "varying variables must be of base type float"); + } + } + + /* If there is no qualifier that changes the mode of the variable, leave + * the setting alone. + */ + if (qual->in && qual->out) + var->mode = ir_var_inout; + else if (qual->attribute || qual->in + || (qual->varying && (state->target == fragment_shader))) + var->mode = ir_var_in; + else if (qual->out || (qual->varying && (state->target == vertex_shader))) + var->mode = ir_var_out; + else if (qual->uniform) + var->mode = ir_var_uniform; + + if (qual->flat) + var->interpolation = ir_var_flat; + else if (qual->noperspective) + var->interpolation = ir_var_noperspective; + else + var->interpolation = ir_var_smooth; + + var->pixel_center_integer = qual->pixel_center_integer; + var->origin_upper_left = qual->origin_upper_left; + if ((qual->origin_upper_left || qual->pixel_center_integer) + && (strcmp(var->name, "gl_FragCoord") != 0)) { + const char *const qual_string = (qual->origin_upper_left) + ? "origin_upper_left" : "pixel_center_integer"; + + _mesa_glsl_error(loc, state, + "layout qualifier `%s' can only be applied to " + "fragment shader input `gl_FragCoord'", + qual_string); + } + + if (var->type->is_array() && state->language_version != 110) { + var->array_lvalue = true; + } +} + + +ir_rvalue * +ast_declarator_list::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + const struct glsl_type *decl_type; + const char *type_name = NULL; + ir_rvalue *result = NULL; + YYLTYPE loc = this->get_location(); + + /* From page 46 (page 52 of the PDF) of the GLSL 1.50 spec: + * + * "To ensure that a particular output variable is invariant, it is + * necessary to use the invariant qualifier. It can either be used to + * qualify a previously declared variable as being invariant + * + * invariant gl_Position; // make existing gl_Position be invariant" + * + * In these cases the parser will set the 'invariant' flag in the declarator + * list, and the type will be NULL. + */ + if (this->invariant) { + assert(this->type == NULL); + + if (state->current_function != NULL) { + _mesa_glsl_error(& loc, state, + "All uses of `invariant' keyword must be at global " + "scope\n"); + } + + foreach_list_typed (ast_declaration, decl, link, &this->declarations) { + assert(!decl->is_array); + assert(decl->array_size == NULL); + assert(decl->initializer == NULL); + + ir_variable *const earlier = + state->symbols->get_variable(decl->identifier); + if (earlier == NULL) { + _mesa_glsl_error(& loc, state, + "Undeclared variable `%s' cannot be marked " + "invariant\n", decl->identifier); + } else if ((state->target == vertex_shader) + && (earlier->mode != ir_var_out)) { + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, vertex shader " + "outputs only\n", decl->identifier); + } else if ((state->target == fragment_shader) + && (earlier->mode != ir_var_in)) { + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, fragment shader " + "inputs only\n", decl->identifier); + } else { + earlier->invariant = true; + } + } + + /* Invariant redeclarations do not have r-values. + */ + return NULL; + } + + assert(this->type != NULL); + assert(!this->invariant); + + /* The type specifier may contain a structure definition. Process that + * before any of the variable declarations. + */ + (void) this->type->specifier->hir(instructions, state); + + decl_type = this->type->specifier->glsl_type(& type_name, state); + if (this->declarations.is_empty()) { + /* The only valid case where the declaration list can be empty is when + * the declaration is setting the default precision of a built-in type + * (e.g., 'precision highp vec4;'). + */ + + if (decl_type != NULL) { + } else { + _mesa_glsl_error(& loc, state, "incomplete declaration"); + } + } + + foreach_list_typed (ast_declaration, decl, link, &this->declarations) { + const struct glsl_type *var_type; + ir_variable *var; + + /* FINISHME: Emit a warning if a variable declaration shadows a + * FINISHME: declaration at a higher scope. + */ + + if ((decl_type == NULL) || decl_type->is_void()) { + if (type_name != NULL) { + _mesa_glsl_error(& loc, state, + "invalid type `%s' in declaration of `%s'", + type_name, decl->identifier); + } else { + _mesa_glsl_error(& loc, state, + "invalid type in declaration of `%s'", + decl->identifier); + } + continue; + } + + if (decl->is_array) { + var_type = process_array_type(&loc, decl_type, decl->array_size, + state); + } else { + var_type = decl_type; + } + + var = new(ctx) ir_variable(var_type, decl->identifier, ir_var_auto); + + /* From page 22 (page 28 of the PDF) of the GLSL 1.10 specification; + * + * "Global variables can only use the qualifiers const, + * attribute, uni form, or varying. Only one may be + * specified. + * + * Local variables can only use the qualifier const." + * + * This is relaxed in GLSL 1.30. + */ + if (state->language_version < 120) { + if (this->type->qualifier.out) { + _mesa_glsl_error(& loc, state, + "`out' qualifier in declaration of `%s' " + "only valid for function parameters in GLSL 1.10.", + decl->identifier); + } + if (this->type->qualifier.in) { + _mesa_glsl_error(& loc, state, + "`in' qualifier in declaration of `%s' " + "only valid for function parameters in GLSL 1.10.", + decl->identifier); + } + /* FINISHME: Test for other invalid qualifiers. */ + } + + apply_type_qualifier_to_variable(& this->type->qualifier, var, state, + & loc); + + if (this->type->qualifier.invariant) { + if ((state->target == vertex_shader) && !(var->mode == ir_var_out || + var->mode == ir_var_inout)) { + /* FINISHME: Note that this doesn't work for invariant on + * a function signature outval + */ + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, vertex shader " + "outputs only\n", var->name); + } else if ((state->target == fragment_shader) && + !(var->mode == ir_var_in || var->mode == ir_var_inout)) { + /* FINISHME: Note that this doesn't work for invariant on + * a function signature inval + */ + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, fragment shader " + "inputs only\n", var->name); + } + } + + if (state->current_function != NULL) { + const char *mode = NULL; + const char *extra = ""; + + /* There is no need to check for 'inout' here because the parser will + * only allow that in function parameter lists. + */ + if (this->type->qualifier.attribute) { + mode = "attribute"; + } else if (this->type->qualifier.uniform) { + mode = "uniform"; + } else if (this->type->qualifier.varying) { + mode = "varying"; + } else if (this->type->qualifier.in) { + mode = "in"; + extra = " or in function parameter list"; + } else if (this->type->qualifier.out) { + mode = "out"; + extra = " or in function parameter list"; + } + + if (mode) { + _mesa_glsl_error(& loc, state, + "%s variable `%s' must be declared at " + "global scope%s", + mode, var->name, extra); + } + } else if (var->mode == ir_var_in) { + if (state->target == vertex_shader) { + bool error_emitted = false; + + /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec: + * + * "Vertex shader inputs can only be float, floating-point + * vectors, matrices, signed and unsigned integers and integer + * vectors. Vertex shader inputs can also form arrays of these + * types, but not structures." + * + * From page 31 (page 27 of the PDF) of the GLSL 1.30 spec: + * + * "Vertex shader inputs can only be float, floating-point + * vectors, matrices, signed and unsigned integers and integer + * vectors. They cannot be arrays or structures." + * + * From page 23 (page 29 of the PDF) of the GLSL 1.20 spec: + * + * "The attribute qualifier can be used only with float, + * floating-point vectors, and matrices. Attribute variables + * cannot be declared as arrays or structures." + */ + const glsl_type *check_type = var->type->is_array() + ? var->type->fields.array : var->type; + + switch (check_type->base_type) { + case GLSL_TYPE_FLOAT: + break; + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + if (state->language_version > 120) + break; + /* FALLTHROUGH */ + default: + _mesa_glsl_error(& loc, state, + "vertex shader input / attribute cannot have " + "type %s`%s'", + var->type->is_array() ? "array of " : "", + check_type->name); + error_emitted = true; + } + + if (!error_emitted && (state->language_version <= 130) + && var->type->is_array()) { + _mesa_glsl_error(& loc, state, + "vertex shader input / attribute cannot have " + "array type"); + error_emitted = true; + } + } + } + + /* Process the initializer and add its instructions to a temporary + * list. This list will be added to the instruction stream (below) after + * the declaration is added. This is done because in some cases (such as + * redeclarations) the declaration may not actually be added to the + * instruction stream. + */ + exec_list initializer_instructions; + if (decl->initializer != NULL) { + YYLTYPE initializer_loc = decl->initializer->get_location(); + + /* From page 24 (page 30 of the PDF) of the GLSL 1.10 spec: + * + * "All uniform variables are read-only and are initialized either + * directly by an application via API commands, or indirectly by + * OpenGL." + */ + if ((state->language_version <= 110) + && (var->mode == ir_var_uniform)) { + _mesa_glsl_error(& initializer_loc, state, + "cannot initialize uniforms in GLSL 1.10"); + } + + if (var->type->is_sampler()) { + _mesa_glsl_error(& initializer_loc, state, + "cannot initialize samplers"); + } + + if ((var->mode == ir_var_in) && (state->current_function == NULL)) { + _mesa_glsl_error(& initializer_loc, state, + "cannot initialize %s shader input / %s", + _mesa_glsl_shader_target_name(state->target), + (state->target == vertex_shader) + ? "attribute" : "varying"); + } + + ir_dereference *const lhs = new(ctx) ir_dereference_variable(var); + ir_rvalue *rhs = decl->initializer->hir(&initializer_instructions, + state); + + /* Calculate the constant value if this is a const or uniform + * declaration. + */ + if (this->type->qualifier.constant || this->type->qualifier.uniform) { + ir_rvalue *new_rhs = validate_assignment(state, var->type, rhs); + if (new_rhs != NULL) { + rhs = new_rhs; + + ir_constant *constant_value = rhs->constant_expression_value(); + if (!constant_value) { + _mesa_glsl_error(& initializer_loc, state, + "initializer of %s variable `%s' must be a " + "constant expression", + (this->type->qualifier.constant) + ? "const" : "uniform", + decl->identifier); + if (var->type->is_numeric()) { + /* Reduce cascading errors. */ + var->constant_value = ir_constant::zero(ctx, var->type); + } + } else { + rhs = constant_value; + var->constant_value = constant_value; + } + } else { + _mesa_glsl_error(&initializer_loc, state, + "initializer of type %s cannot be assigned to " + "variable of type %s", + rhs->type->name, var->type->name); + if (var->type->is_numeric()) { + /* Reduce cascading errors. */ + var->constant_value = ir_constant::zero(ctx, var->type); + } + } + } + + if (rhs && !rhs->type->is_error()) { + bool temp = var->read_only; + if (this->type->qualifier.constant) + var->read_only = false; + + /* Never emit code to initialize a uniform. + */ + if (!this->type->qualifier.uniform) + result = do_assignment(&initializer_instructions, state, + lhs, rhs, + this->get_location()); + var->read_only = temp; + } + } + + /* From page 23 (page 29 of the PDF) of the GLSL 1.10 spec: + * + * "It is an error to write to a const variable outside of + * its declaration, so they must be initialized when + * declared." + */ + if (this->type->qualifier.constant && decl->initializer == NULL) { + _mesa_glsl_error(& loc, state, + "const declaration of `%s' must be initialized"); + } + + /* Check if this declaration is actually a re-declaration, either to + * resize an array or add qualifiers to an existing variable. + * + * This is allowed for variables in the current scope, or when at + * global scope (for built-ins in the implicit outer scope). + */ + ir_variable *earlier = state->symbols->get_variable(decl->identifier); + if (earlier != NULL && (state->current_function == NULL || + state->symbols->name_declared_this_scope(decl->identifier))) { + + /* From page 24 (page 30 of the PDF) of the GLSL 1.50 spec, + * + * "It is legal to declare an array without a size and then + * later re-declare the same name as an array of the same + * type and specify a size." + */ + if ((earlier->type->array_size() == 0) + && var->type->is_array() + && (var->type->element_type() == earlier->type->element_type())) { + /* FINISHME: This doesn't match the qualifiers on the two + * FINISHME: declarations. It's not 100% clear whether this is + * FINISHME: required or not. + */ + + /* From page 54 (page 60 of the PDF) of the GLSL 1.20 spec: + * + * "The size [of gl_TexCoord] can be at most + * gl_MaxTextureCoords." + */ + const unsigned size = unsigned(var->type->array_size()); + if ((strcmp("gl_TexCoord", var->name) == 0) + && (size > state->Const.MaxTextureCoords)) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "`gl_TexCoord' array size cannot " + "be larger than gl_MaxTextureCoords (%u)\n", + state->Const.MaxTextureCoords); + } else if ((size > 0) && (size <= earlier->max_array_access)) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "array size must be > %u due to " + "previous access", + earlier->max_array_access); + } + + earlier->type = var->type; + delete var; + var = NULL; + } else if (state->extensions->ARB_fragment_coord_conventions + && strcmp(var->name, "gl_FragCoord") == 0 + && earlier->type == var->type + && earlier->mode == var->mode) { + /* Allow redeclaration of gl_FragCoord for ARB_fcc layout + * qualifiers. + */ + earlier->origin_upper_left = var->origin_upper_left; + earlier->pixel_center_integer = var->pixel_center_integer; + } else { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "`%s' redeclared", decl->identifier); + } + + continue; + } + + /* By now, we know it's a new variable declaration (we didn't hit the + * above "continue"). + * + * From page 15 (page 21 of the PDF) of the GLSL 1.10 spec, + * + * "Identifiers starting with "gl_" are reserved for use by + * OpenGL, and may not be declared in a shader as either a + * variable or a function." + */ + if (strncmp(decl->identifier, "gl_", 3) == 0) + _mesa_glsl_error(& loc, state, + "identifier `%s' uses reserved `gl_' prefix", + decl->identifier); + + /* Add the variable to the symbol table. Note that the initializer's + * IR was already processed earlier (though it hasn't been emitted yet), + * without the variable in scope. + * + * This differs from most C-like languages, but it follows the GLSL + * specification. From page 28 (page 34 of the PDF) of the GLSL 1.50 + * spec: + * + * "Within a declaration, the scope of a name starts immediately + * after the initializer if present or immediately after the name + * being declared if not." + */ + if (!state->symbols->add_variable(var->name, var)) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "name `%s' already taken in the " + "current scope", decl->identifier); + continue; + } + + /* Push the variable declaration to the top. It means that all + * the variable declarations will appear in a funny + * last-to-first order, but otherwise we run into trouble if a + * function is prototyped, a global var is decled, then the + * function is defined with usage of the global var. See + * glslparsertest's CorrectModule.frag. + */ + instructions->push_head(var); + instructions->append_list(&initializer_instructions); + } + + + /* Generally, variable declarations do not have r-values. However, + * one is used for the declaration in + * + * while (bool b = some_condition()) { + * ... + * } + * + * so we return the rvalue from the last seen declaration here. + */ + return result; +} + + +ir_rvalue * +ast_parameter_declarator::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + const struct glsl_type *type; + const char *name = NULL; + YYLTYPE loc = this->get_location(); + + type = this->type->specifier->glsl_type(& name, state); + + if (type == NULL) { + if (name != NULL) { + _mesa_glsl_error(& loc, state, + "invalid type `%s' in declaration of `%s'", + name, this->identifier); + } else { + _mesa_glsl_error(& loc, state, + "invalid type in declaration of `%s'", + this->identifier); + } + + type = glsl_type::error_type; + } + + /* From page 62 (page 68 of the PDF) of the GLSL 1.50 spec: + * + * "Functions that accept no input arguments need not use void in the + * argument list because prototypes (or definitions) are required and + * therefore there is no ambiguity when an empty argument list "( )" is + * declared. The idiom "(void)" as a parameter list is provided for + * convenience." + * + * Placing this check here prevents a void parameter being set up + * for a function, which avoids tripping up checks for main taking + * parameters and lookups of an unnamed symbol. + */ + if (type->is_void()) { + if (this->identifier != NULL) + _mesa_glsl_error(& loc, state, + "named parameter cannot have type `void'"); + + is_void = true; + return NULL; + } + + if (formal_parameter && (this->identifier == NULL)) { + _mesa_glsl_error(& loc, state, "formal parameter lacks a name"); + return NULL; + } + + /* This only handles "vec4 foo[..]". The earlier specifier->glsl_type(...) + * call already handled the "vec4[..] foo" case. + */ + if (this->is_array) { + type = process_array_type(&loc, type, this->array_size, state); + } + + if (type->array_size() == 0) { + _mesa_glsl_error(&loc, state, "arrays passed as parameters must have " + "a declared size."); + type = glsl_type::error_type; + } + + is_void = false; + ir_variable *var = new(ctx) ir_variable(type, this->identifier, ir_var_in); + + /* Apply any specified qualifiers to the parameter declaration. Note that + * for function parameters the default mode is 'in'. + */ + apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc); + + instructions->push_tail(var); + + /* Parameter declarations do not have r-values. + */ + return NULL; +} + + +void +ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, + bool formal, + exec_list *ir_parameters, + _mesa_glsl_parse_state *state) +{ + ast_parameter_declarator *void_param = NULL; + unsigned count = 0; + + foreach_list_typed (ast_parameter_declarator, param, link, ast_parameters) { + param->formal_parameter = formal; + param->hir(ir_parameters, state); + + if (param->is_void) + void_param = param; + + count++; + } + + if ((void_param != NULL) && (count > 1)) { + YYLTYPE loc = void_param->get_location(); + + _mesa_glsl_error(& loc, state, + "`void' parameter must be only parameter"); + } +} + + +ir_rvalue * +ast_function::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + ir_function *f = NULL; + ir_function_signature *sig = NULL; + exec_list hir_parameters; + + const char *const name = identifier; + + /* From page 21 (page 27 of the PDF) of the GLSL 1.20 spec, + * + * "Function declarations (prototypes) cannot occur inside of functions; + * they must be at global scope, or for the built-in functions, outside + * the global scope." + * + * From page 27 (page 33 of the PDF) of the GLSL ES 1.00.16 spec, + * + * "User defined functions may only be defined within the global scope." + * + * Note that this language does not appear in GLSL 1.10. + */ + if ((state->current_function != NULL) && (state->language_version != 110)) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, + "declaration of function `%s' not allowed within " + "function body", name); + } + + /* From page 15 (page 21 of the PDF) of the GLSL 1.10 spec, + * + * "Identifiers starting with "gl_" are reserved for use by + * OpenGL, and may not be declared in a shader as either a + * variable or a function." + */ + if (strncmp(name, "gl_", 3) == 0) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, + "identifier `%s' uses reserved `gl_' prefix", name); + } + + /* Convert the list of function parameters to HIR now so that they can be + * used below to compare this function's signature with previously seen + * signatures for functions with the same name. + */ + ast_parameter_declarator::parameters_to_hir(& this->parameters, + is_definition, + & hir_parameters, state); + + const char *return_type_name; + const glsl_type *return_type = + this->return_type->specifier->glsl_type(& return_type_name, state); + + if (!return_type) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, + "function `%s' has undeclared return type `%s'", + name, return_type_name); + return_type = glsl_type::error_type; + } + + /* From page 56 (page 62 of the PDF) of the GLSL 1.30 spec: + * "No qualifier is allowed on the return type of a function." + */ + if (this->return_type->has_qualifiers()) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(& loc, state, + "function `%s' return type has qualifiers", name); + } + + /* Verify that this function's signature either doesn't match a previously + * seen signature for a function with the same name, or, if a match is found, + * that the previously seen signature does not have an associated definition. + */ + f = state->symbols->get_function(name); + if (f != NULL && (state->es_shader || f->has_user_signature())) { + sig = f->exact_matching_signature(&hir_parameters); + if (sig != NULL) { + const char *badvar = sig->qualifiers_match(&hir_parameters); + if (badvar != NULL) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(&loc, state, "function `%s' parameter `%s' " + "qualifiers don't match prototype", name, badvar); + } + + if (sig->return_type != return_type) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(&loc, state, "function `%s' return type doesn't " + "match prototype", name); + } + + if (is_definition && sig->is_defined) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "function `%s' redefined", name); + } + } + } else { + f = new(ctx) ir_function(name); + if (!state->symbols->add_function(f->name, f)) { + /* This function name shadows a non-function use of the same name. */ + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(&loc, state, "function name `%s' conflicts with " + "non-function", name); + return NULL; + } + + /* Emit the new function header */ + if (state->current_function == NULL) + instructions->push_tail(f); + else { + /* IR invariants disallow function declarations or definitions nested + * within other function definitions. Insert the new ir_function + * block in the instruction sequence before the ir_function block + * containing the current ir_function_signature. + * + * This can only happen in a GLSL 1.10 shader. In all other GLSL + * versions this nesting is disallowed. There is a check for this at + * the top of this function. + */ + ir_function *const curr = + const_cast<ir_function *>(state->current_function->function()); + + curr->insert_before(f); + } + } + + /* Verify the return type of main() */ + if (strcmp(name, "main") == 0) { + if (! return_type->is_void()) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "main() must return void"); + } + + if (!hir_parameters.is_empty()) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "main() must not take any parameters"); + } + } + + /* Finish storing the information about this new function in its signature. + */ + if (sig == NULL) { + sig = new(ctx) ir_function_signature(return_type); + f->add_signature(sig); + } + + sig->replace_parameters(&hir_parameters); + signature = sig; + + /* Function declarations (prototypes) do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_function_definition::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + prototype->is_definition = true; + prototype->hir(instructions, state); + + ir_function_signature *signature = prototype->signature; + if (signature == NULL) + return NULL; + + assert(state->current_function == NULL); + state->current_function = signature; + state->found_return = false; + + /* Duplicate parameters declared in the prototype as concrete variables. + * Add these to the symbol table. + */ + state->symbols->push_scope(); + foreach_iter(exec_list_iterator, iter, signature->parameters) { + ir_variable *const var = ((ir_instruction *) iter.get())->as_variable(); + + assert(var != NULL); + + /* The only way a parameter would "exist" is if two parameters have + * the same name. + */ + if (state->symbols->name_declared_this_scope(var->name)) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "parameter `%s' redeclared", var->name); + } else { + state->symbols->add_variable(var->name, var); + } + } + + /* Convert the body of the function to HIR. */ + this->body->hir(&signature->body, state); + signature->is_defined = true; + + state->symbols->pop_scope(); + + assert(state->current_function == signature); + state->current_function = NULL; + + if (!signature->return_type->is_void() && !state->found_return) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(& loc, state, "function `%s' has non-void return type " + "%s, but no return statement", + signature->function_name(), + signature->return_type->name); + } + + /* Function definitions do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_jump_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + switch (mode) { + case ast_return: { + ir_return *inst; + assert(state->current_function); + + if (opt_return_value) { + if (state->current_function->return_type->base_type == + GLSL_TYPE_VOID) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`return` with a value, in function `%s' " + "returning void", + state->current_function->function_name()); + } + + ir_expression *const ret = (ir_expression *) + opt_return_value->hir(instructions, state); + assert(ret != NULL); + + /* Implicit conversions are not allowed for return values. */ + if (state->current_function->return_type != ret->type) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`return' with wrong type %s, in function `%s' " + "returning %s", + ret->type->name, + state->current_function->function_name(), + state->current_function->return_type->name); + } + + inst = new(ctx) ir_return(ret); + } else { + if (state->current_function->return_type->base_type != + GLSL_TYPE_VOID) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`return' with no value, in function %s returning " + "non-void", + state->current_function->function_name()); + } + inst = new(ctx) ir_return; + } + + state->found_return = true; + instructions->push_tail(inst); + break; + } + + case ast_discard: + if (state->target != fragment_shader) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`discard' may only appear in a fragment shader"); + } + instructions->push_tail(new(ctx) ir_discard); + break; + + case ast_break: + case ast_continue: + /* FINISHME: Handle switch-statements. They cannot contain 'continue', + * FINISHME: and they use a different IR instruction for 'break'. + */ + /* FINISHME: Correctly handle the nesting. If a switch-statement is + * FINISHME: inside a loop, a 'continue' is valid and will bind to the + * FINISHME: loop. + */ + if (state->loop_or_switch_nesting == NULL) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`%s' may only appear in a loop", + (mode == ast_break) ? "break" : "continue"); + } else { + ir_loop *const loop = state->loop_or_switch_nesting->as_loop(); + + /* Inline the for loop expression again, since we don't know + * where near the end of the loop body the normal copy of it + * is going to be placed. + */ + if (mode == ast_continue && + state->loop_or_switch_nesting_ast->rest_expression) { + state->loop_or_switch_nesting_ast->rest_expression->hir(instructions, + state); + } + + if (loop != NULL) { + ir_loop_jump *const jump = + new(ctx) ir_loop_jump((mode == ast_break) + ? ir_loop_jump::jump_break + : ir_loop_jump::jump_continue); + instructions->push_tail(jump); + } + } + + break; + } + + /* Jump instructions do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_selection_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + ir_rvalue *const condition = this->condition->hir(instructions, state); + + /* From page 66 (page 72 of the PDF) of the GLSL 1.50 spec: + * + * "Any expression whose type evaluates to a Boolean can be used as the + * conditional expression bool-expression. Vector types are not accepted + * as the expression to if." + * + * The checks are separated so that higher quality diagnostics can be + * generated for cases where both rules are violated. + */ + if (!condition->type->is_boolean() || !condition->type->is_scalar()) { + YYLTYPE loc = this->condition->get_location(); + + _mesa_glsl_error(& loc, state, "if-statement condition must be scalar " + "boolean"); + } + + ir_if *const stmt = new(ctx) ir_if(condition); + + if (then_statement != NULL) { + state->symbols->push_scope(); + then_statement->hir(& stmt->then_instructions, state); + state->symbols->pop_scope(); + } + + if (else_statement != NULL) { + state->symbols->push_scope(); + else_statement->hir(& stmt->else_instructions, state); + state->symbols->pop_scope(); + } + + instructions->push_tail(stmt); + + /* if-statements do not have r-values. + */ + return NULL; +} + + +void +ast_iteration_statement::condition_to_hir(ir_loop *stmt, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + if (condition != NULL) { + ir_rvalue *const cond = + condition->hir(& stmt->body_instructions, state); + + if ((cond == NULL) + || !cond->type->is_boolean() || !cond->type->is_scalar()) { + YYLTYPE loc = condition->get_location(); + + _mesa_glsl_error(& loc, state, + "loop condition must be scalar boolean"); + } else { + /* As the first code in the loop body, generate a block that looks + * like 'if (!condition) break;' as the loop termination condition. + */ + ir_rvalue *const not_cond = + new(ctx) ir_expression(ir_unop_logic_not, glsl_type::bool_type, cond, + NULL); + + ir_if *const if_stmt = new(ctx) ir_if(not_cond); + + ir_jump *const break_stmt = + new(ctx) ir_loop_jump(ir_loop_jump::jump_break); + + if_stmt->then_instructions.push_tail(break_stmt); + stmt->body_instructions.push_tail(if_stmt); + } + } +} + + +ir_rvalue * +ast_iteration_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + /* For-loops and while-loops start a new scope, but do-while loops do not. + */ + if (mode != ast_do_while) + state->symbols->push_scope(); + + if (init_statement != NULL) + init_statement->hir(instructions, state); + + ir_loop *const stmt = new(ctx) ir_loop(); + instructions->push_tail(stmt); + + /* Track the current loop and / or switch-statement nesting. + */ + ir_instruction *const nesting = state->loop_or_switch_nesting; + ast_iteration_statement *nesting_ast = state->loop_or_switch_nesting_ast; + + state->loop_or_switch_nesting = stmt; + state->loop_or_switch_nesting_ast = this; + + if (mode != ast_do_while) + condition_to_hir(stmt, state); + + if (body != NULL) + body->hir(& stmt->body_instructions, state); + + if (rest_expression != NULL) + rest_expression->hir(& stmt->body_instructions, state); + + if (mode == ast_do_while) + condition_to_hir(stmt, state); + + if (mode != ast_do_while) + state->symbols->pop_scope(); + + /* Restore previous nesting before returning. + */ + state->loop_or_switch_nesting = nesting; + state->loop_or_switch_nesting_ast = nesting_ast; + + /* Loops do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_type_specifier::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + if (this->structure != NULL) + return this->structure->hir(instructions, state); + + return NULL; +} + + +ir_rvalue * +ast_struct_specifier::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + unsigned decl_count = 0; + + /* Make an initial pass over the list of structure fields to determine how + * many there are. Each element in this list is an ast_declarator_list. + * This means that we actually need to count the number of elements in the + * 'declarations' list in each of the elements. + */ + foreach_list_typed (ast_declarator_list, decl_list, link, + &this->declarations) { + foreach_list_const (decl_ptr, & decl_list->declarations) { + decl_count++; + } + } + + /* Allocate storage for the structure fields and process the field + * declarations. As the declarations are processed, try to also convert + * the types to HIR. This ensures that structure definitions embedded in + * other structure definitions are processed. + */ + glsl_struct_field *const fields = talloc_array(state, glsl_struct_field, + decl_count); + + unsigned i = 0; + foreach_list_typed (ast_declarator_list, decl_list, link, + &this->declarations) { + const char *type_name; + + decl_list->type->specifier->hir(instructions, state); + + /* Section 10.9 of the GLSL ES 1.00 specification states that + * embedded structure definitions have been removed from the language. + */ + if (state->es_shader && decl_list->type->specifier->structure != NULL) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "Embedded structure definitions are " + "not allowed in GLSL ES 1.00."); + } + + const glsl_type *decl_type = + decl_list->type->specifier->glsl_type(& type_name, state); + + foreach_list_typed (ast_declaration, decl, link, + &decl_list->declarations) { + const struct glsl_type *field_type = decl_type; + if (decl->is_array) { + YYLTYPE loc = decl->get_location(); + field_type = process_array_type(&loc, decl_type, decl->array_size, + state); + } + fields[i].type = (field_type != NULL) + ? field_type : glsl_type::error_type; + fields[i].name = decl->identifier; + i++; + } + } + + assert(i == decl_count); + + const glsl_type *t = + glsl_type::get_record_instance(fields, decl_count, this->name); + + YYLTYPE loc = this->get_location(); + if (!state->symbols->add_type(name, t)) { + _mesa_glsl_error(& loc, state, "struct `%s' previously defined", name); + } else { + + const glsl_type **s = (const glsl_type **) + realloc(state->user_structures, + sizeof(state->user_structures[0]) * + (state->num_user_structures + 1)); + if (s != NULL) { + s[state->num_user_structures] = t; + state->user_structures = s; + state->num_user_structures++; + } + } + + /* Structure type definitions do not have r-values. + */ + return NULL; +} diff --git a/mesalib/src/glsl/ast_type.cpp b/mesalib/src/glsl/ast_type.cpp new file mode 100644 index 000000000..9a957044e --- /dev/null +++ b/mesalib/src/glsl/ast_type.cpp @@ -0,0 +1,122 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <cstdio> +#include "ast.h" +extern "C" { +#include "program/symbol_table.h" +} + +void +ast_type_specifier::print(void) const +{ + if (type_specifier == ast_struct) { + structure->print(); + } else { + printf("%s ", type_name); + } + + if (is_array) { + printf("[ "); + + if (array_size) { + array_size->print(); + } + + printf("] "); + } +} + +ast_type_specifier::ast_type_specifier(int specifier) + : type_specifier(ast_types(specifier)), type_name(NULL), structure(NULL), + is_array(false), array_size(NULL), precision(ast_precision_high) +{ + static const char *const names[] = { + "void", + "float", + "int", + "uint", + "bool", + "vec2", + "vec3", + "vec4", + "bvec2", + "bvec3", + "bvec4", + "ivec2", + "ivec3", + "ivec4", + "uvec2", + "uvec3", + "uvec4", + "mat2", + "mat2x3", + "mat2x4", + "mat3x2", + "mat3", + "mat3x4", + "mat4x2", + "mat4x3", + "mat4", + "sampler1D", + "sampler2D", + "sampler2DRect", + "sampler3D", + "samplerCube", + "sampler1DShadow", + "sampler2DShadow", + "sampler2DRectShadow", + "samplerCubeShadow", + "sampler1DArray", + "sampler2DArray", + "sampler1DArrayShadow", + "sampler2DArrayShadow", + "isampler1D", + "isampler2D", + "isampler3D", + "isamplerCube", + "isampler1DArray", + "isampler2DArray", + "usampler1D", + "usampler2D", + "usampler3D", + "usamplerCube", + "usampler1DArray", + "usampler2DArray", + + NULL, /* ast_struct */ + NULL /* ast_type_name */ + }; + + type_name = names[specifier]; +} + +bool +ast_fully_specified_type::has_qualifiers() const +{ + return qualifier.invariant || qualifier.constant || qualifier.attribute + || qualifier.varying || qualifier.in + || qualifier.out || qualifier.centroid + || qualifier.uniform || qualifier.smooth + || qualifier.flat || qualifier.noperspective; +} diff --git a/mesalib/src/glsl/builtin_function.cpp b/mesalib/src/glsl/builtin_function.cpp new file mode 100644 index 000000000..5f9bbec2f --- /dev/null +++ b/mesalib/src/glsl/builtin_function.cpp @@ -0,0 +1,19203 @@ +/* DO NOT MODIFY - automatically generated by generate_builtins.py */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include "main/core.h" /* for struct gl_shader */ +#include "glsl_parser_extras.h" +#include "ir_reader.h" +#include "program.h" +#include "ast.h" + +extern "C" struct gl_shader * +_mesa_new_shader(GLcontext *ctx, GLuint name, GLenum type); + +gl_shader * +read_builtins(GLenum target, const char *protos, const char **functions, unsigned count) +{ + GLcontext fakeCtx; + fakeCtx.API = API_OPENGL; + gl_shader *sh = _mesa_new_shader(NULL, 0, target); + struct _mesa_glsl_parse_state *st = + new(sh) _mesa_glsl_parse_state(&fakeCtx, target, sh); + + st->language_version = 130; + st->symbols->language_version = 130; + st->ARB_texture_rectangle_enable = true; + st->EXT_texture_array_enable = true; + _mesa_glsl_initialize_types(st); + + sh->ir = new(sh) exec_list; + sh->symbols = st->symbols; + + /* Read the IR containing the prototypes */ + _mesa_glsl_read_ir(st, sh->ir, protos, true); + + /* Read ALL the function bodies, telling the IR reader not to scan for + * prototypes (we've already created them). The IR reader will skip any + * signature that does not already exist as a prototype. + */ + for (unsigned i = 0; i < count; i++) { + _mesa_glsl_read_ir(st, sh->ir, functions[i], false); + + if (st->error) { + printf("error reading builtin: %.35s ...\n", functions[i]); + printf("Info log:\n%s\n", st->info_log); + talloc_free(sh); + return NULL; + } + } + + reparent_ir(sh->ir, sh); + delete st; + + return sh; +} + +static const char *builtin_abs = + "((function abs\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float abs (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 abs (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 abs (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 abs (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_acos = + "((function acos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float - (constant float (1.5707963))\n" + " (call asin ((var_ref x)))))))\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 - (constant float (1.5707963))\n" + " (call asin ((var_ref x)))))))\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 - (constant float (1.5707963))\n" + " (call asin ((var_ref x)))))))\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 - (constant float (1.5707963))\n" + " (call asin ((var_ref x)))))))\n" + "))\n" + "" +; +static const char *builtin_all = + "((function all\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 arg0))\n" + " ((return (expression bool && (swiz x (var_ref arg0))(swiz y (var_ref arg0))))))\n" + "\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 arg0))\n" + " ((return (expression bool && (expression bool && (swiz x (var_ref arg0))(swiz y (var_ref arg0))) (swiz z (var_ref arg0))))))\n" + "\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 arg0))\n" + " ((return (expression bool && (expression bool && (expression bool && (swiz x (var_ref arg0))(swiz y (var_ref arg0))) (swiz z (var_ref arg0))) (swiz w (var_ref arg0))))))\n" + "))\n" + "" +; +static const char *builtin_any = + "((function any\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 arg0))\n" + " ((return (expression bool any (var_ref arg0)))))\n" + "\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 arg0))\n" + " ((return (expression bool any (var_ref arg0)))))\n" + "\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 arg0))\n" + " ((return (expression bool any (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_asin = + "((function asin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float *\n" + " (expression float sign (var_ref x))\n" + " (expression float -\n" + " (expression float *\n" + " (constant float (3.1415926))\n" + " (constant float (0.5)))\n" + " (expression float *\n" + " (expression float sqrt\n" + " (expression float -\n" + " (constant float (1.0))\n" + " (expression float abs (var_ref x))))\n" + " (expression float +\n" + " (constant float (1.5707288))\n" + " (expression float *\n" + " (expression float abs (var_ref x))\n" + " (expression float +\n" + " (constant float (-0.2121144))\n" + " (expression float *\n" + " (constant float (0.0742610))\n" + " (expression float abs (var_ref x))))))))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 *\n" + " (expression vec2 sign (var_ref x))\n" + " (expression vec2 -\n" + " (expression float *\n" + " (constant float (3.1415926))\n" + " (constant float (0.5)))\n" + " (expression vec2 *\n" + " (expression vec2 sqrt\n" + " (expression vec2 -\n" + " (constant float (1.0))\n" + " (expression vec2 abs (var_ref x))))\n" + " (expression vec2 +\n" + " (constant float (1.5707288))\n" + " (expression vec2 *\n" + " (expression vec2 abs (var_ref x))\n" + " (expression vec2 +\n" + " (constant float (-0.2121144))\n" + " (expression vec2 *\n" + " (constant float (0.0742610))\n" + " (expression vec2 abs (var_ref x))))))))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 *\n" + " (expression vec3 sign (var_ref x))\n" + " (expression vec3 -\n" + " (expression float *\n" + " (constant float (3.1415926))\n" + " (constant float (0.5)))\n" + " (expression vec3 *\n" + " (expression vec3 sqrt\n" + " (expression vec3 -\n" + " (constant float (1.0))\n" + " (expression vec3 abs (var_ref x))))\n" + " (expression vec3 +\n" + " (constant float (1.5707288))\n" + " (expression vec3 *\n" + " (expression vec3 abs (var_ref x))\n" + " (expression vec3 +\n" + " (constant float (-0.2121144))\n" + " (expression vec3 *\n" + " (constant float (0.0742610))\n" + " (expression vec3 abs (var_ref x))))))))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 *\n" + " (expression vec4 sign (var_ref x))\n" + " (expression vec4 -\n" + " (expression float *\n" + " (constant float (3.1415926))\n" + " (constant float (0.5)))\n" + " (expression vec4 *\n" + " (expression vec4 sqrt\n" + " (expression vec4 -\n" + " (constant float (1.0))\n" + " (expression vec4 abs (var_ref x))))\n" + " (expression vec4 +\n" + " (constant float (1.5707288))\n" + " (expression vec4 *\n" + " (expression vec4 abs (var_ref x))\n" + " (expression vec4 +\n" + " (constant float (-0.2121144))\n" + " (expression vec4 *\n" + " (constant float (0.0742610))\n" + " (expression vec4 abs (var_ref x))))))))))))\n" + "))\n" + "" +; +static const char *builtin_atan = + "((function atan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (call asin ((expression float *\n" + " (var_ref x)\n" + " (expression float rsq\n" + " (expression float +\n" + " (expression float *\n" + " (var_ref x)\n" + " (var_ref x))\n" + " (constant float (1.0))))))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y_over_x))\n" + " ((return (call asin ((expression vec2 *\n" + " (var_ref y_over_x)\n" + " (expression vec2 rsq\n" + " (expression vec2 +\n" + " (expression vec2 *\n" + " (var_ref y_over_x)\n" + " (var_ref y_over_x))\n" + " (constant float (1.0))))))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y_over_x))\n" + " ((return (call asin ((expression vec3 *\n" + " (var_ref y_over_x)\n" + " (expression vec3 rsq\n" + " (expression vec3 +\n" + " (expression vec3 *\n" + " (var_ref y_over_x)\n" + " (var_ref y_over_x))\n" + " (constant float (1.0))))))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y_over_x))\n" + " ((return (call asin ((expression vec4 *\n" + " (var_ref y_over_x)\n" + " (expression vec4 rsq\n" + " (expression vec4 +\n" + " (expression vec4 *\n" + " (var_ref y_over_x)\n" + " (var_ref y_over_x))\n" + " (constant float (1.0))))))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in ) float y)\n" + " (declare (in ) float x)\n" + " )\n" + " (\n" + " (declare () float r)\n" + " (declare ( ) float abs_retval)\n" + " (assign (constant bool (1)) (x) (var_ref abs_retval) (call abs ((var_ref x) ))\n" + ")\n" + " (if (expression bool > (var_ref abs_retval) (constant float (0.000100)) ) (\n" + " (declare ( ) float atan_retval)\n" + " (assign (constant bool (1)) (x) (var_ref atan_retval) (call atan ((expression float / (var_ref y) (var_ref x) ) ))\n" + ")\n" + " (assign (constant bool (1)) (x) (var_ref r) (var_ref atan_retval) )\n" + " (if (expression bool < (var_ref x) (constant float (0.000000)) ) (\n" + " (if (expression bool >= (var_ref y) (constant float (0.000000)) ) (\n" + " (declare ( ) float assignment_tmp)\n" + " (assign (constant bool (1)) (x) (var_ref assignment_tmp) (expression float + (var_ref r) (constant float (3.141593)) ) )\n" + " (assign (constant bool (1)) (x) (var_ref r) (var_ref assignment_tmp) )\n" + " )\n" + " (\n" + " (declare ( ) float assignment_tmp)\n" + " (assign (constant bool (1)) (x) (var_ref assignment_tmp) (expression float - (var_ref r) (constant float (3.141593)) ) )\n" + " (assign (constant bool (1)) (x) (var_ref r) (var_ref assignment_tmp) )\n" + " ))\n" + "\n" + " )\n" + " (\n" + " ))\n" + "\n" + " )\n" + " (\n" + " (declare () float sgn)\n" + " (assign (constant bool (1)) (x) (var_ref sgn) (expression float sign (var_ref y)))\n" + " (assign (constant bool (1)) (x) (var_ref r) (expression float * (var_ref sgn) (constant float (1.5707965))))\n" + " ))\n" + "\n" + " (return (var_ref r) )\n" + " ))\n" + "\n" + "\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y)\n" + " (declare (in) vec2 x))\n" + " ((declare () vec2 r)\n" + " (assign (constant bool (1)) (x) (var_ref r)\n" + " (call atan ((swiz x (var_ref y))\n" + " (swiz x (var_ref x)))))\n" + " (assign (constant bool (1)) (y) (var_ref r)\n" + " (call atan ((swiz y (var_ref y))\n" + " (swiz y (var_ref x)))))\n" + " (return (var_ref r))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y)\n" + " (declare (in) vec3 x))\n" + " ((declare () vec3 r)\n" + " (assign (constant bool (1)) (x) (var_ref r)\n" + " (call atan ((swiz x (var_ref y))\n" + " (swiz x (var_ref x)))))\n" + " (assign (constant bool (1)) (y) (var_ref r)\n" + " (call atan ((swiz y (var_ref y))\n" + " (swiz y (var_ref x)))))\n" + " (assign (constant bool (1)) (z) (var_ref r)\n" + " (call atan ((swiz z (var_ref y))\n" + " (swiz z (var_ref x)))))\n" + " (return (var_ref r))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y)\n" + " (declare (in) vec4 x))\n" + " ((declare () vec4 r)\n" + " (assign (constant bool (1)) (x) (var_ref r)\n" + " (call atan ((swiz x (var_ref y))\n" + " (swiz x (var_ref x)))))\n" + " (assign (constant bool (1)) (y) (var_ref r)\n" + " (call atan ((swiz y (var_ref y))\n" + " (swiz y (var_ref x)))))\n" + " (assign (constant bool (1)) (z) (var_ref r)\n" + " (call atan ((swiz z (var_ref y))\n" + " (swiz z (var_ref x)))))\n" + " (assign (constant bool (1)) (w) (var_ref r)\n" + " (call atan ((swiz w (var_ref y))\n" + " (swiz w (var_ref x)))))\n" + " (return (var_ref r)))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_ceil = + "((function ceil\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float ceil (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 ceil (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 ceil (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 ceil (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_clamp = + "((function clamp\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression float max (expression float min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1)\n" + " (declare (in) vec2 arg2))\n" + " ((return (expression vec2 max (expression vec2 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1)\n" + " (declare (in) vec3 arg2))\n" + " ((return (expression vec3 max (expression vec3 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1)\n" + " (declare (in) vec4 arg2))\n" + " ((return (expression vec4 max (expression vec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) float arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression vec2 max (expression vec2 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) float arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression vec3 max (expression vec3 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) float arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression vec4 max (expression vec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature int\n" + " (parameters\n" + " (declare (in) int arg0)\n" + " (declare (in) int arg1)\n" + " (declare (in) int arg2))\n" + " ((return (expression int max (expression int min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1)\n" + " (declare (in) ivec2 arg2))\n" + " ((return (expression ivec2 max (expression ivec2 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1)\n" + " (declare (in) ivec3 arg2))\n" + " ((return (expression ivec3 max (expression ivec3 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1)\n" + " (declare (in) ivec4 arg2))\n" + " ((return (expression ivec4 max (expression ivec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) int arg1)\n" + " (declare (in) int arg2))\n" + " ((return (expression ivec2 max (expression ivec2 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) int arg1)\n" + " (declare (in) int arg2))\n" + " ((return (expression ivec3 max (expression ivec3 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) int arg1)\n" + " (declare (in) int arg2))\n" + " ((return (expression ivec4 max (expression ivec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uint\n" + " (parameters\n" + " (declare (in) uint arg0)\n" + " (declare (in) uint arg1)\n" + " (declare (in) uint arg2))\n" + " ((return (expression uint max (expression uint min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1)\n" + " (declare (in) uvec2 arg2))\n" + " ((return (expression uvec2 max (expression uvec2 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1)\n" + " (declare (in) uvec3 arg2))\n" + " ((return (expression uvec3 max (expression uvec3 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1)\n" + " (declare (in) uvec4 arg2))\n" + " ((return (expression uvec4 max (expression uvec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uint arg1)\n" + " (declare (in) uint arg2))\n" + " ((return (expression uvec2 max (expression uvec2 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uint arg1)\n" + " (declare (in) uint arg2))\n" + " ((return (expression uvec3 max (expression uvec3 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uint arg1)\n" + " (declare (in) uint arg2))\n" + " ((return (expression uvec4 max (expression uvec4 min (var_ref arg0) (var_ref arg2)) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_cos = + "((function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ((return (expression float cos (var_ref angle)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ((return (expression vec2 cos (var_ref angle)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ((return (expression vec3 cos (var_ref angle)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ((return (expression vec4 cos (var_ref angle)))))\n" + "))\n" + "" +; +static const char *builtin_cosh = + "((function cosh\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float * (constant float (0.5))\n" + " (expression float +\n" + " (expression float exp (var_ref x))\n" + " (expression float exp (expression float neg (var_ref x))))))))\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 * (constant vec2 (0.5))\n" + " (expression vec2 +\n" + " (expression vec2 exp (var_ref x))\n" + " (expression vec2 exp (expression vec2 neg (var_ref x))))))))\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 * (constant vec3 (0.5))\n" + " (expression vec3 +\n" + " (expression vec3 exp (var_ref x))\n" + " (expression vec3 exp (expression vec3 neg (var_ref x))))))))\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 * (constant vec4 (0.5))\n" + " (expression vec4 +\n" + " (expression vec4 exp (var_ref x))\n" + " (expression vec4 exp (expression vec4 neg (var_ref x))))))))\n" + "))\n" + "" +; +static const char *builtin_cross = + "((function cross\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression vec3 cross (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_dFdx = + "((function dFdx\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ((return (expression float dFdx (var_ref p)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ((return (expression vec2 dFdx (var_ref p)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ((return (expression vec3 dFdx (var_ref p)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ((return (expression vec4 dFdx (var_ref p)))))\n" + "))\n" + "" +; +static const char *builtin_dFdy = + "((function dFdy\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ((return (expression float dFdy (var_ref p)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ((return (expression vec2 dFdy (var_ref p)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ((return (expression vec3 dFdy (var_ref p)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ((return (expression vec4 dFdy (var_ref p)))))\n" + "))\n" + "" +; +static const char *builtin_degrees = + "((function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float * (var_ref arg0) (constant float (57.295780))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 * (var_ref arg0) (constant float (57.295780))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 * (var_ref arg0) (constant float (57.295780))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 * (var_ref arg0) (constant float (57.295780))))))\n" + "))\n" + "" +; +static const char *builtin_distance = + "((function distance\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p0)\n" + " (declare (in) float p1))\n" + " ((return (expression float abs (expression float - (var_ref p0) (var_ref p1))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 p0)\n" + " (declare (in) vec2 p1))\n" + " ((declare () vec2 p)\n" + " (assign (constant bool (1)) (xy) (var_ref p) (expression vec2 - (var_ref p0) (var_ref p1)))\n" + " (return (expression float sqrt (expression float dot (var_ref p) (var_ref p))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 p0)\n" + " (declare (in) vec3 p1))\n" + " ((declare () vec3 p)\n" + " (assign (constant bool (1)) (xyz) (var_ref p) (expression vec3 - (var_ref p0) (var_ref p1)))\n" + " (return (expression float sqrt (expression float dot (var_ref p) (var_ref p))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 p0)\n" + " (declare (in) vec4 p1))\n" + " ((declare () vec4 p)\n" + " (assign (constant bool (1)) (xyzw) (var_ref p) (expression vec4 - (var_ref p0) (var_ref p1)))\n" + " (return (expression float sqrt (expression float dot (var_ref p) (var_ref p))))))\n" + "))\n" + "" +; +static const char *builtin_dot = + "((function dot\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression float * (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression float dot (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression float dot (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression float dot (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_equal = + "((function equal\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression bvec2 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression bvec3 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression bvec4 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 arg0)\n" + " (declare (in) bvec2 arg1))\n" + " ((return (expression bvec2 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 arg0)\n" + " (declare (in) bvec3 arg1))\n" + " ((return (expression bvec3 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 arg0)\n" + " (declare (in) bvec4 arg1))\n" + " ((return (expression bvec4 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression bvec2 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression bvec3 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression bvec4 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression bvec2 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression bvec3 == (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression bvec4 == (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_exp = + "((function exp\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float exp (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 exp (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 exp (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 exp (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_exp2 = + "((function exp2\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float exp2 (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 exp2 (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 exp2 (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 exp2 (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_faceforward = + "((function faceforward\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float N)\n" + " (declare (in) float I)\n" + " (declare (in) float Nref))\n" + " ((if (expression bool < (expression float * (var_ref Nref) (var_ref I)) (constant float (0)))\n" + " ((return (var_ref N)))\n" + " ((return (expression float neg (var_ref N)))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 N)\n" + " (declare (in) vec2 I)\n" + " (declare (in) vec2 Nref))\n" + " ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))\n" + " ((return (var_ref N)))\n" + " ((return (expression vec2 neg (var_ref N)))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 N)\n" + " (declare (in) vec3 I)\n" + " (declare (in) vec3 Nref))\n" + " ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))\n" + " ((return (var_ref N)))\n" + " ((return (expression vec3 neg (var_ref N)))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 N)\n" + " (declare (in) vec4 I)\n" + " (declare (in) vec4 Nref))\n" + " ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))\n" + " ((return (var_ref N)))\n" + " ((return (expression vec4 neg (var_ref N)))))))\n" + "))\n" + "" +; +static const char *builtin_floor = + "((function floor\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float floor (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 floor (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 floor (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 floor (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_fract = + "((function fract\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float fract (var_ref x)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 fract (var_ref x)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 fract (var_ref x)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 fract (var_ref x)))))\n" + "))\n" + "\n" + "" +; +static const char *builtin_ftransform = + "((declare (uniform) mat4 gl_ModelViewProjectionMatrix)\n" + " (declare (in) vec4 gl_Vertex)\n" + " (function ftransform\n" + " (signature vec4\n" + " (parameters)\n" + " ((return (expression vec4 *\n" + " (var_ref gl_ModelViewProjectionMatrix)\n" + " (var_ref gl_Vertex)))))\n" + "))\n" + "" +; +static const char *builtin_fwidth = + "((function fwidth\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ((return (expression float +\n" + " (expression float abs (expression float dFdx (var_ref p)))\n" + " (expression float abs (expression float dFdy (var_ref p)))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ((return (expression vec2 +\n" + " (expression vec2 abs (expression vec2 dFdx (var_ref p)))\n" + " (expression vec2 abs (expression vec2 dFdy (var_ref p)))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ((return (expression vec3 +\n" + " (expression vec3 abs (expression vec3 dFdx (var_ref p)))\n" + " (expression vec3 abs (expression vec3 dFdy (var_ref p)))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ((return (expression vec4 +\n" + " (expression vec4 abs (expression vec4 dFdx (var_ref p)))\n" + " (expression vec4 abs (expression vec4 dFdy (var_ref p)))))))\n" + "))\n" + "" +; +static const char *builtin_greaterThan = + "((function greaterThan\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression bvec2 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression bvec3 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression bvec4 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression bvec2 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression bvec3 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression bvec4 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression bvec2 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression bvec3 > (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression bvec4 > (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_greaterThanEqual = + "((function greaterThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression bvec2 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression bvec3 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression bvec4 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression bvec2 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression bvec3 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression bvec4 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression bvec2 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression bvec3 >= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression bvec4 >= (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_inversesqrt = + "((function inversesqrt\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float rsq (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 rsq (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 rsq (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 rsq (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_length = + "((function length\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float abs (var_ref arg0)))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression float sqrt (expression float dot (var_ref arg0) (var_ref arg0))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression float sqrt (expression float dot (var_ref arg0) (var_ref arg0))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression float sqrt (expression float dot (var_ref arg0) (var_ref arg0))))))\n" + "))\n" + "" +; +static const char *builtin_lessThan = + "((function lessThan\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression bvec2 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression bvec3 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression bvec4 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression bvec2 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression bvec3 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression bvec4 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression bvec2 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression bvec3 < (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression bvec4 < (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_lessThanEqual = + "((function lessThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression bvec2 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression bvec3 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression bvec4 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression bvec2 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression bvec3 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression bvec4 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression bvec2 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression bvec3 <= (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression bvec4 <= (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_log = + "((function log\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float log (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 log (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 log (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 log (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_log2 = + "((function log2\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float log2 (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 log2 (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 log2 (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 log2 (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_matrixCompMult = + "((function matrixCompMult\n" + " (signature mat2\n" + " (parameters\n" + " (declare (in) mat2 x)\n" + " (declare (in) mat2 y))\n" + " ((declare () mat2 z)\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (0))) (expression vec2 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (1))) (expression vec2 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat3\n" + " (parameters\n" + " (declare (in) mat3 x)\n" + " (declare (in) mat3 y))\n" + " ((declare () mat3 z)\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (0))) (expression vec3 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (1))) (expression vec3 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (2))) (expression vec3 * (array_ref (var_ref x) (constant int (2))) (array_ref (var_ref y) (constant int (2)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat4\n" + " (parameters\n" + " (declare (in) mat4 x)\n" + " (declare (in) mat4 y))\n" + " ((declare () mat4 z)\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (0))) (expression vec4 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (1))) (expression vec4 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (2))) (expression vec4 * (array_ref (var_ref x) (constant int (2))) (array_ref (var_ref y) (constant int (2)))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (3))) (expression vec4 * (array_ref (var_ref x) (constant int (3))) (array_ref (var_ref y) (constant int (3)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat2x3\n" + " (parameters\n" + " (declare (in) mat2x3 x)\n" + " (declare (in) mat2x3 y))\n" + " ((declare () mat2x3 z)\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (0))) (expression vec3 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (1))) (expression vec3 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat3x2\n" + " (parameters\n" + " (declare (in) mat3x2 x)\n" + " (declare (in) mat3x2 y))\n" + " ((declare () mat3x2 z)\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (0))) (expression vec2 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (1))) (expression vec2 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (2))) (expression vec2 * (array_ref (var_ref x) (constant int (2))) (array_ref (var_ref y) (constant int (2)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat2x4\n" + " (parameters\n" + " (declare (in) mat2x4 x)\n" + " (declare (in) mat2x4 y))\n" + " ((declare () mat2x4 z)\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (0))) (expression vec4 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (1))) (expression vec4 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat4x2\n" + " (parameters\n" + " (declare (in) mat4x2 x)\n" + " (declare (in) mat4x2 y))\n" + " ((declare () mat4x2 z)\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (0))) (expression vec2 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (1))) (expression vec2 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (2))) (expression vec2 * (array_ref (var_ref x) (constant int (2))) (array_ref (var_ref y) (constant int (2)))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref z) (constant int (3))) (expression vec2 * (array_ref (var_ref x) (constant int (3))) (array_ref (var_ref y) (constant int (3)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat3x4\n" + " (parameters\n" + " (declare (in) mat3x4 x)\n" + " (declare (in) mat3x4 y))\n" + " ((declare () mat3x4 z)\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (0))) (expression vec4 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (1))) (expression vec4 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref z) (constant int (2))) (expression vec4 * (array_ref (var_ref x) (constant int (2))) (array_ref (var_ref y) (constant int (2)))))\n" + "(return (var_ref z))))\n" + "\n" + " (signature mat4x3\n" + " (parameters\n" + " (declare (in) mat4x3 x)\n" + " (declare (in) mat4x3 y))\n" + " ((declare () mat4x3 z)\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (0))) (expression vec3 * (array_ref (var_ref x) (constant int (0))) (array_ref (var_ref y) (constant int (0)))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (1))) (expression vec3 * (array_ref (var_ref x) (constant int (1))) (array_ref (var_ref y) (constant int (1)))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (2))) (expression vec3 * (array_ref (var_ref x) (constant int (2))) (array_ref (var_ref y) (constant int (2)))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref z) (constant int (3))) (expression vec3 * (array_ref (var_ref x) (constant int (3))) (array_ref (var_ref y) (constant int (3)))))\n" + "(return (var_ref z))))\n" + "))\n" + "" +; +static const char *builtin_max = + "((function max\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression float max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression vec2 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression vec3 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression vec4 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec2 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec3 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec4 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature int\n" + " (parameters\n" + " (declare (in) int arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression int max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression ivec2 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression ivec3 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression ivec4 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression ivec2 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression ivec3 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression ivec4 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uint\n" + " (parameters\n" + " (declare (in) uint arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uint max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression uvec2 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression uvec3 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression uvec4 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uvec2 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uvec3 max (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uvec4 max (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_min = + "((function min\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression float min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression vec2 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression vec3 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression vec4 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec2 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec3 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec4 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature int\n" + " (parameters\n" + " (declare (in) int arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression int min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression ivec2 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression ivec3 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression ivec4 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression ivec2 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression ivec3 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) int arg1))\n" + " ((return (expression ivec4 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uint\n" + " (parameters\n" + " (declare (in) uint arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uint min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression uvec2 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression uvec3 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression uvec4 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uvec2 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uvec3 min (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uint arg1))\n" + " ((return (expression uvec4 min (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_mix = + "((function mix\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression float + (expression float * (var_ref arg0) (expression float - (constant float (1.000000)) (var_ref arg2))) (expression float * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1)\n" + " (declare (in) vec2 arg2))\n" + " ((return (expression vec2 + (expression vec2 * (var_ref arg0) (expression vec2 - (constant float (1.000000)) (var_ref arg2))) (expression vec2 * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1)\n" + " (declare (in) vec3 arg2))\n" + " ((return (expression vec3 + (expression vec3 * (var_ref arg0) (expression vec3 - (constant float (1.000000)) (var_ref arg2))) (expression vec3 * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1)\n" + " (declare (in) vec4 arg2))\n" + " ((return (expression vec4 + (expression vec4 * (var_ref arg0) (expression vec4 - (constant float (1.000000)) (var_ref arg2))) (expression vec4 * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression vec2 + (expression vec2 * (var_ref arg0) (expression float - (constant float (1.000000)) (var_ref arg2))) (expression vec2 * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression vec3 + (expression vec3 * (var_ref arg0) (expression float - (constant float (1.000000)) (var_ref arg2))) (expression vec3 * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1)\n" + " (declare (in) float arg2))\n" + " ((return (expression vec4 + (expression vec4 * (var_ref arg0) (expression float - (constant float (1.000000)) (var_ref arg2))) (expression vec4 * (var_ref arg1) (var_ref arg2))))))\n" + "\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float v1)\n" + " (declare (in) float v2)\n" + " (declare (in) bool a))\n" + " ((assign (var_ref a) (var_ref v1) (var_ref v2))\n" + " (return (var_ref v1))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 v1)\n" + " (declare (in) vec2 v2)\n" + " (declare (in) bvec2 a))\n" + " ((assign (swiz x (var_ref a)) (x) (var_ref v1) (swiz x (var_ref v2)))\n" + " (assign (swiz y (var_ref a)) (y) (var_ref v1) (swiz y (var_ref v2)))\n" + " (return (var_ref v1))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 v1)\n" + " (declare (in) vec3 v2)\n" + " (declare (in) bvec3 a))\n" + " ((assign (swiz x (var_ref a)) (x) (var_ref v1) (swiz x (var_ref v2)))\n" + " (assign (swiz y (var_ref a)) (y) (var_ref v1) (swiz y (var_ref v2)))\n" + " (assign (swiz z (var_ref a)) (z) (var_ref v1) (swiz z (var_ref v2)))\n" + " (return (var_ref v1))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 v1)\n" + " (declare (in) vec4 v2)\n" + " (declare (in) bvec4 a))\n" + " ((assign (swiz x (var_ref a)) (x) (var_ref v1) (swiz x (var_ref v2)))\n" + " (assign (swiz y (var_ref a)) (y) (var_ref v1) (swiz y (var_ref v2)))\n" + " (assign (swiz z (var_ref a)) (z) (var_ref v1) (swiz z (var_ref v2)))\n" + " (assign (swiz w (var_ref a)) (w) (var_ref v1) (swiz w (var_ref v2)))\n" + " (return (var_ref v1))))\n" + "))\n" + "" +; +static const char *builtin_mod = + "((function mod\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression float % (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression vec2 % (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression vec3 % (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression vec4 % (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec2 % (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec3 % (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression vec4 % (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_noise1 = + "((function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float noise (var_ref x)))))\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression float noise (var_ref x)))))\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression float noise (var_ref x)))))\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression float noise (var_ref x)))))\n" + "))\n" + "" +; +static const char *builtin_noise2 = + "((function noise2\n" + " (signature vec2\n" + " (parameters (declare (in) vec4 p))\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () vec2 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec4 + (var_ref p) (constant vec4 (601.0 313.0 29.0 277.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (return (var_ref t))\n" + " ))\n" + "\n" + " (signature vec2\n" + " (parameters (declare (in) vec3 p))\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () vec2 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec3 + (var_ref p) (constant vec3 (601.0 313.0 29.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (return (var_ref t))\n" + " ))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in ) vec2 p)\n" + " )\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () vec2 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec2 + (var_ref p) (constant vec2 (601.0 313.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (return (var_ref t))\n" + " ))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in ) float p)\n" + " )\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () vec2 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression float + (var_ref p) (constant float (601.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (return (var_ref t))\n" + " ))\n" + "))\n" + "" +; +static const char *builtin_noise3 = + "((function noise3\n" + " (signature vec3\n" + " (parameters (declare (in) vec4 p))\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () float c)\n" + " (declare () vec3 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec4 + (var_ref p) (constant vec4 (601.0 313.0 29.0 277.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref c) (expression float noise (expression vec4 + (var_ref p) (constant vec4 (1559.0 113.0 1861.0 797.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (assign (constant bool (1)) (z) (var_ref t) (var_ref c))\n" + " (return (var_ref t))\n" + " ))\n" + "\n" + " (signature vec3\n" + " (parameters (declare (in) vec3 p))\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () float c)\n" + " (declare () vec3 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec3 + (var_ref p) (constant vec3 (601.0 313.0 29.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref c) (expression float noise (expression vec3 + (var_ref p) (constant vec3 (1559.0 113.0 1861.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (assign (constant bool (1)) (z) (var_ref t) (var_ref c))\n" + " (return (var_ref t))\n" + " ))\n" + "\n" + " (signature vec3\n" + " (parameters (declare (in) vec2 p))\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () float c)\n" + " (declare () vec3 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression vec2 + (var_ref p) (constant vec2 (601.0 313.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref c) (expression float noise (expression vec2 + (var_ref p) (constant vec2 (1559.0 113.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (assign (constant bool (1)) (z) (var_ref t) (var_ref c))\n" + " (return (var_ref t))\n" + " ))\n" + "\n" + " (signature vec3\n" + " (parameters (declare (in) float p))\n" + " (\n" + " (declare () float a)\n" + " (declare () float b)\n" + " (declare () float c)\n" + " (declare () vec3 t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref a) (expression float noise (var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref b) (expression float noise (expression float + (var_ref p) (constant float (601.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref c) (expression float noise (expression float + (var_ref p) (constant float (1559.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t) (var_ref a))\n" + " (assign (constant bool (1)) (y) (var_ref t) (var_ref b))\n" + " (assign (constant bool (1)) (z) (var_ref t) (var_ref c))\n" + " (return (var_ref t))\n" + " ))\n" + "))\n" + "" +; +static const char *builtin_noise4 = + "((function noise4\n" + " (signature vec4\n" + " (parameters (declare (in) vec4 p))\n" + " (\n" + " (declare () float _x)\n" + " (declare () float _y)\n" + " (declare () float _z)\n" + " (declare () float _w)\n" + " (declare () vec4 _r)\n" + "\n" + " (declare () vec4 _p)\n" + " (assign (constant bool (1)) (xyzw) (var_ref _p) (expression vec4 + (var_ref p) (constant vec4 (1559.0 113.0 1861.0 797.0))) )\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression vec4 + (var_ref p) (constant vec4 (601.0 313.0 29.0 277.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))\n" + " (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression vec4 + (var_ref _p) (constant vec4 (601.0 313.0 29.0 277.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _r) (var_ref _x))\n" + " (assign (constant bool (1)) (y) (var_ref _r) (var_ref _y))\n" + " (assign (constant bool (1)) (z) (var_ref _r) (var_ref _z))\n" + " (assign (constant bool (1)) (w) (var_ref _r) (var_ref _w))\n" + " (return (var_ref _r))\n" + " ))\n" + "\n" + " (signature vec4\n" + " (parameters (declare (in) vec3 p))\n" + " (\n" + " (declare () float _x)\n" + " (declare () float _y)\n" + " (declare () float _z)\n" + " (declare () float _w)\n" + " (declare () vec4 _r)\n" + "\n" + " (declare () vec3 _p)\n" + " (assign (constant bool (1)) (xyz) (var_ref _p) (expression vec3 + (var_ref p) (constant vec3 (1559.0 113.0 1861.0))) )\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression vec3 + (var_ref p) (constant vec3 (601.0 313.0 29.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))\n" + " (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression vec3 + (var_ref _p) (constant vec3 (601.0 313.0 29.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _r) (var_ref _x))\n" + " (assign (constant bool (1)) (y) (var_ref _r) (var_ref _y))\n" + " (assign (constant bool (1)) (z) (var_ref _r) (var_ref _z))\n" + " (assign (constant bool (1)) (w) (var_ref _r) (var_ref _w))\n" + " (return (var_ref _r))\n" + " ))\n" + "\n" + " (signature vec4\n" + " (parameters (declare (in) vec2 p))\n" + " (\n" + " (declare () float _x)\n" + " (declare () float _y)\n" + " (declare () float _z)\n" + " (declare () float _w)\n" + " (declare () vec4 _r)\n" + "\n" + " (declare () vec2 _p)\n" + " (assign (constant bool (1)) (xy) (var_ref _p) (expression vec2 + (var_ref p) (constant vec2 (1559.0 113.0))) )\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression vec2 + (var_ref p) (constant vec2 (601.0 313.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))\n" + " (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression vec2 + (var_ref _p) (constant vec2 (601.0 313.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _r) (var_ref _x))\n" + " (assign (constant bool (1)) (y) (var_ref _r) (var_ref _y))\n" + " (assign (constant bool (1)) (z) (var_ref _r) (var_ref _z))\n" + " (assign (constant bool (1)) (w) (var_ref _r) (var_ref _w))\n" + " (return (var_ref _r))\n" + " ))\n" + "\n" + " (signature vec4\n" + " (parameters (declare (in) float p))\n" + " (\n" + " (declare () float _x)\n" + " (declare () float _y)\n" + " (declare () float _z)\n" + " (declare () float _w)\n" + " (declare () vec4 _r)\n" + "\n" + " (declare () float _p)\n" + " (assign (constant bool (1)) (x) (var_ref _p) (expression float + (var_ref p) (constant float (1559.0))) )\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _x) (expression float noise(var_ref p)))\n" + " (assign (constant bool (1)) (x) (var_ref _y) (expression float noise(expression float + (var_ref p) (constant float (601.0 313.0 29.0 277.0)))))\n" + " (assign (constant bool (1)) (x) (var_ref _z) (expression float noise(var_ref _p)))\n" + " (assign (constant bool (1)) (x) (var_ref _w) (expression float noise(expression float + (var_ref _p) (constant float (601.0 313.0 29.0 277.0)))))\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref _r) (var_ref _x))\n" + " (assign (constant bool (1)) (y) (var_ref _r) (var_ref _y))\n" + " (assign (constant bool (1)) (z) (var_ref _r) (var_ref _z))\n" + " (assign (constant bool (1)) (w) (var_ref _r) (var_ref _w))\n" + " (return (var_ref _r))\n" + " ))\n" + "))\n" + "" +; +static const char *builtin_normalize = + "((function normalize\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float sign (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 * (var_ref arg0) (expression float rsq (expression float dot (var_ref arg0) (var_ref arg0)))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 * (var_ref arg0) (expression float rsq (expression float dot (var_ref arg0) (var_ref arg0)))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 * (var_ref arg0) (expression float rsq (expression float dot (var_ref arg0) (var_ref arg0)))))))\n" + "))\n" + "" +; +static const char *builtin_not = + "((function not\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 arg0))\n" + " ((return (expression bvec2 ! (var_ref arg0)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 arg0))\n" + " ((return (expression bvec3 ! (var_ref arg0)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 arg0))\n" + " ((return (expression bvec4 ! (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_notEqual = + "((function notEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression bvec2 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression bvec3 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression bvec4 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 arg0)\n" + " (declare (in) bvec2 arg1))\n" + " ((return (expression bvec2 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 arg0)\n" + " (declare (in) bvec3 arg1))\n" + " ((return (expression bvec3 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 arg0)\n" + " (declare (in) bvec4 arg1))\n" + " ((return (expression bvec4 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 arg0)\n" + " (declare (in) ivec2 arg1))\n" + " ((return (expression bvec2 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 arg0)\n" + " (declare (in) ivec3 arg1))\n" + " ((return (expression bvec3 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 arg0)\n" + " (declare (in) ivec4 arg1))\n" + " ((return (expression bvec4 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) uvec2 arg0)\n" + " (declare (in) uvec2 arg1))\n" + " ((return (expression bvec2 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) uvec3 arg0)\n" + " (declare (in) uvec3 arg1))\n" + " ((return (expression bvec3 != (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) uvec4 arg0)\n" + " (declare (in) uvec4 arg1))\n" + " ((return (expression bvec4 != (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_outerProduct = + "((function outerProduct\n" + " (signature mat2\n" + " (parameters\n" + " (declare (in) vec2 u)\n" + " (declare (in) vec2 v))\n" + " ((declare () mat2 m)\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (0))) (expression vec2 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (1))) (expression vec2 * (var_ref u) (swiz y (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat2x3\n" + " (parameters\n" + " (declare (in) vec3 u)\n" + " (declare (in) vec2 v))\n" + " ((declare () mat2x3 m)\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (0))) (expression vec3 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (1))) (expression vec3 * (var_ref u) (swiz y (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat2x4\n" + " (parameters\n" + " (declare (in) vec4 u)\n" + " (declare (in) vec2 v))\n" + " ((declare () mat2x4 m)\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (0))) (expression vec4 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (1))) (expression vec4 * (var_ref u) (swiz y (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat3x2\n" + " (parameters\n" + " (declare (in) vec2 u)\n" + " (declare (in) vec3 v))\n" + " ((declare () mat3x2 m)\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (0))) (expression vec2 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (1))) (expression vec2 * (var_ref u) (swiz y (var_ref v))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (2))) (expression vec2 * (var_ref u) (swiz z (var_ref v))))\n" + " (return (var_ref m))\n" + " ))\n" + "\n" + " (signature mat3\n" + " (parameters\n" + " (declare (in) vec3 u)\n" + " (declare (in) vec3 v))\n" + " ((declare () mat3 m)\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (0))) (expression vec3 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (1))) (expression vec3 * (var_ref u) (swiz y (var_ref v))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (2))) (expression vec3 * (var_ref u) (swiz z (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat3x4\n" + " (parameters\n" + " (declare (in) vec4 u)\n" + " (declare (in) vec3 v))\n" + " ((declare () mat3x4 m)\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (0))) (expression vec4 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (1))) (expression vec4 * (var_ref u) (swiz y (var_ref v))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (2))) (expression vec4 * (var_ref u) (swiz z (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat4x2\n" + " (parameters\n" + " (declare (in) vec2 u)\n" + " (declare (in) vec4 v))\n" + " ((declare () mat4x2 m)\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (0))) (expression vec2 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (1))) (expression vec2 * (var_ref u) (swiz y (var_ref v))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (2))) (expression vec2 * (var_ref u) (swiz z (var_ref v))))\n" + " (assign (constant bool (1)) (xy) (array_ref (var_ref m) (constant int (3))) (expression vec2 * (var_ref u) (swiz w (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat4x3\n" + " (parameters\n" + " (declare (in) vec3 u)\n" + " (declare (in) vec4 v))\n" + " ((declare () mat4x3 m)\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (0))) (expression vec3 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (1))) (expression vec3 * (var_ref u) (swiz y (var_ref v))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (2))) (expression vec3 * (var_ref u) (swiz z (var_ref v))))\n" + " (assign (constant bool (1)) (xyz) (array_ref (var_ref m) (constant int (3))) (expression vec3 * (var_ref u) (swiz w (var_ref v))))\n" + " (return (var_ref m))))\n" + "\n" + " (signature mat4\n" + " (parameters\n" + " (declare (in) vec4 u)\n" + " (declare (in) vec4 v))\n" + " ((declare () mat4 m)\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (0))) (expression vec4 * (var_ref u) (swiz x (var_ref v))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (1))) (expression vec4 * (var_ref u) (swiz y (var_ref v))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (2))) (expression vec4 * (var_ref u) (swiz z (var_ref v))))\n" + " (assign (constant bool (1)) (xyzw) (array_ref (var_ref m) (constant int (3))) (expression vec4 * (var_ref u) (swiz w (var_ref v))))\n" + " (return (var_ref m))))\n" + "))\n" + "" +; +static const char *builtin_pow = + "((function pow\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0)\n" + " (declare (in) float arg1))\n" + " ((return (expression float pow (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0)\n" + " (declare (in) vec2 arg1))\n" + " ((return (expression vec2 pow (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0)\n" + " (declare (in) vec3 arg1))\n" + " ((return (expression vec3 pow (var_ref arg0) (var_ref arg1)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0)\n" + " (declare (in) vec4 arg1))\n" + " ((return (expression vec4 pow (var_ref arg0) (var_ref arg1)))))\n" + "))\n" + "" +; +static const char *builtin_radians = + "((function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float * (var_ref arg0) (constant float (0.017453))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 * (var_ref arg0) (constant float (0.017453))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 * (var_ref arg0) (constant float (0.017453))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 * (var_ref arg0) (constant float (0.017453))))))\n" + "))\n" + "" +; +static const char *builtin_reflect = + "((function reflect\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float i)\n" + " (declare (in) float n))\n" + " ((return (expression float -\n" + " (var_ref i)\n" + " (expression float *\n" + " (constant float (2.0))\n" + " (expression float *\n" + " (expression float *\n" + " (var_ref n)\n" + " (var_ref i))\n" + " (var_ref n)))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 i)\n" + " (declare (in) vec2 n))\n" + " ((return (expression vec2 -\n" + " (var_ref i)\n" + " (expression vec2 *\n" + " (constant float (2.0))\n" + " (expression vec2 *\n" + " (expression float dot\n" + " (var_ref n)\n" + " (var_ref i))\n" + " (var_ref n)))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 i)\n" + " (declare (in) vec3 n))\n" + " ((return (expression vec3 -\n" + " (var_ref i)\n" + " (expression vec3 *\n" + " (constant float (2.0))\n" + " (expression vec3 *\n" + " (expression float dot\n" + " (var_ref n)\n" + " (var_ref i))\n" + " (var_ref n)))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 i)\n" + " (declare (in) vec4 n))\n" + " ((return (expression vec4 -\n" + " (var_ref i)\n" + " (expression vec4 *\n" + " (constant float (2.0))\n" + " (expression vec4 *\n" + " (expression float dot\n" + " (var_ref n)\n" + " (var_ref i))\n" + " (var_ref n)))))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_refract = + "((function refract\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float i)\n" + " (declare (in) float n)\n" + " (declare (in) float eta))\n" + " ((declare () float k)\n" + " (assign (constant bool (1)) (x) (var_ref k)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * (var_ref eta)\n" + " (expression float * (var_ref eta)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * \n" + " (expression float * (var_ref n) (var_ref i))\n" + " (expression float * (var_ref n) (var_ref i))))))))\n" + " (if (expression bool < (var_ref k) (constant float (0.0)))\n" + " ((return (constant float (0.0))))\n" + " ((return (expression float -\n" + " (expression float * (var_ref eta) (var_ref i))\n" + " (expression float *\n" + " (expression float +\n" + " (expression float * (var_ref eta)\n" + " (expression float * (var_ref n) (var_ref i)))\n" + " (expression float sqrt (var_ref k)))\n" + " (var_ref n))))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 i)\n" + " (declare (in) vec2 n)\n" + " (declare (in) float eta))\n" + " ((declare () float k)\n" + " (assign (constant bool (1)) (x) (var_ref k)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * (var_ref eta)\n" + " (expression float * (var_ref eta)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * \n" + " (expression float dot (var_ref n) (var_ref i))\n" + " (expression float dot (var_ref n) (var_ref i))))))))\n" + " (if (expression bool < (var_ref k) (constant float (0.0)))\n" + " ((return (constant vec2 (0.0 0.0))))\n" + " ((return (expression vec2 -\n" + " (expression vec2 * (var_ref eta) (var_ref i))\n" + " (expression vec2 *\n" + " (expression float +\n" + " (expression float * (var_ref eta)\n" + " (expression float dot (var_ref n) (var_ref i)))\n" + " (expression float sqrt (var_ref k)))\n" + " (var_ref n))))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 i)\n" + " (declare (in) vec3 n)\n" + " (declare (in) float eta))\n" + " ((declare () float k)\n" + " (assign (constant bool (1)) (x) (var_ref k)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * (var_ref eta)\n" + " (expression float * (var_ref eta)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * \n" + " (expression float dot (var_ref n) (var_ref i))\n" + " (expression float dot (var_ref n) (var_ref i))))))))\n" + " (if (expression bool < (var_ref k) (constant float (0.0)))\n" + " ((return (constant vec3 (0.0 0.0 0.0))))\n" + " ((return (expression vec3 -\n" + " (expression vec3 * (var_ref eta) (var_ref i))\n" + " (expression vec3 *\n" + " (expression float +\n" + " (expression float * (var_ref eta)\n" + " (expression float dot (var_ref n) (var_ref i)))\n" + " (expression float sqrt (var_ref k)))\n" + " (var_ref n))))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 i)\n" + " (declare (in) vec4 n)\n" + " (declare (in) float eta))\n" + " ((declare () float k)\n" + " (assign (constant bool (1)) (x) (var_ref k)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * (var_ref eta)\n" + " (expression float * (var_ref eta)\n" + " (expression float - (constant float (1.0))\n" + " (expression float * \n" + " (expression float dot (var_ref n) (var_ref i))\n" + " (expression float dot (var_ref n) (var_ref i))))))))\n" + " (if (expression bool < (var_ref k) (constant float (0.0)))\n" + " ((return (constant vec4 (0.0 0.0 0.0 0.0))))\n" + " ((return (expression vec4 -\n" + " (expression vec4 * (var_ref eta) (var_ref i))\n" + " (expression vec4 *\n" + " (expression float +\n" + " (expression float * (var_ref eta)\n" + " (expression float dot (var_ref n) (var_ref i)))\n" + " (expression float sqrt (var_ref k)))\n" + " (var_ref n))))))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow1D = + "((function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow1DArray = + "((function shadow1DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow1DArrayLod = + "((function shadow1DArrayLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow1DLod = + "((function shadow1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow1DProj = + "((function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow1DProjLod = + "((function shadow1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2D = + "((function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2DArray = + "((function shadow2DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArrayShadow sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) 1 (swiz w (var_ref P)) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2DLod = + "((function shadow2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2DProj = + "((function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2DProjLod = + "((function shadow2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2DRect = + "((function shadow2DRect\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRectShadow sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) 1 (swiz z (var_ref P)) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_shadow2DRectProj = + "((function shadow2DRectProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRectShadow sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) (swiz z (var_ref P)) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_sign = + "((function sign\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float sign (var_ref x)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 sign (var_ref x)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 sign (var_ref x)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 sign (var_ref x)))))\n" + "\n" + " (signature int\n" + " (parameters\n" + " (declare (in) int x))\n" + " ((return (expression int sign (var_ref x)))))\n" + "\n" + " (signature ivec2\n" + " (parameters\n" + " (declare (in) ivec2 x))\n" + " ((return (expression ivec2 sign (var_ref x)))))\n" + "\n" + " (signature ivec3\n" + " (parameters\n" + " (declare (in) ivec3 x))\n" + " ((return (expression ivec3 sign (var_ref x)))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) ivec4 x))\n" + " ((return (expression ivec4 sign (var_ref x)))))\n" + "))\n" + "\n" + "" +; +static const char *builtin_sin = + "((function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ((return (expression float sin (var_ref angle)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ((return (expression vec2 sin (var_ref angle)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ((return (expression vec3 sin (var_ref angle)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ((return (expression vec4 sin (var_ref angle)))))\n" + "))\n" + "" +; +static const char *builtin_sinh = + "((function sinh\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float * (constant float (0.5))\n" + " (expression float -\n" + " (expression float exp (var_ref x))\n" + " (expression float exp (expression float neg (var_ref x))))))))\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 * (constant vec2 (0.5))\n" + " (expression vec2 -\n" + " (expression vec2 exp (var_ref x))\n" + " (expression vec2 exp (expression vec2 neg (var_ref x))))))))\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 * (constant vec3 (0.5))\n" + " (expression vec3 -\n" + " (expression vec3 exp (var_ref x))\n" + " (expression vec3 exp (expression vec3 neg (var_ref x))))))))\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 * (constant vec4 (0.5))\n" + " (expression vec4 -\n" + " (expression vec4 exp (var_ref x))\n" + " (expression vec4 exp (expression vec4 neg (var_ref x))))))))\n" + "))\n" + "" +; +static const char *builtin_smoothstep = + "((function smoothstep\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) float x))\n" + " ((declare () float t)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (var_ref x) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (return (expression float * (var_ref t) (expression float * (var_ref t) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (var_ref t))))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) vec2 x))\n" + " ((declare () vec2 t)\n" + " (declare () vec2 retval)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz x (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (x) (var_ref retval) (expression float * (swiz x (var_ref t)) (expression float * (swiz x (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz x (var_ref t)))))))\n" + "\n" + " (assign (constant bool (1)) (y) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz y (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (y) (var_ref retval) (expression float * (swiz y (var_ref t)) (expression float * (swiz y (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz y (var_ref t)))))))\n" + " (return (var_ref retval))\n" + " ))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) vec3 x))\n" + " ((declare () vec3 t)\n" + " (declare () vec3 retval)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz x (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (x) (var_ref retval) (expression float * (swiz x (var_ref t)) (expression float * (swiz x (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz x (var_ref t)))))))\n" + "\n" + " (assign (constant bool (1)) (y) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz y (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (y) (var_ref retval) (expression float * (swiz y (var_ref t)) (expression float * (swiz y (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz y (var_ref t)))))))\n" + "\n" + " (assign (constant bool (1)) (z) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz z (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (z) (var_ref retval) (expression float * (swiz z (var_ref t)) (expression float * (swiz z (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz z (var_ref t)))))))\n" + " (return (var_ref retval))\n" + " ))\n" + "\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) vec4 x))\n" + " ((declare () vec4 t)\n" + " (declare () vec4 retval)\n" + "\n" + " (assign (constant bool (1)) (x) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz x (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (x) (var_ref retval) (expression float * (swiz x (var_ref t)) (expression float * (swiz x (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz x (var_ref t)))))))\n" + "\n" + " (assign (constant bool (1)) (y) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz y (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (y) (var_ref retval) (expression float * (swiz y (var_ref t)) (expression float * (swiz y (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz y (var_ref t)))))))\n" + "\n" + " (assign (constant bool (1)) (z) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz z (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (z) (var_ref retval) (expression float * (swiz z (var_ref t)) (expression float * (swiz z (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz z (var_ref t)))))))\n" + "\n" + " (assign (constant bool (1)) (w) (var_ref t)\n" + " (expression float max\n" + " (expression float min\n" + " (expression float / (expression float - (swiz w (var_ref x)) (var_ref edge0)) (expression float - (var_ref edge1) (var_ref edge0)))\n" + " (constant float (1.0)))\n" + " (constant float (0.0))))\n" + " (assign (constant bool (1)) (w) (var_ref retval) (expression float * (swiz w (var_ref t)) (expression float * (swiz w (var_ref t)) (expression float - (constant float (3.000000)) (expression float * (constant float (2.000000)) (swiz w (var_ref t)))))))\n" + " (return (var_ref retval))\n" + " ))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 edge0)\n" + " (declare (in) vec2 edge1)\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 max\n" + " (expression vec2 min\n" + " (expression vec2 / (expression vec2 - (var_ref x) (var_ref edge0)) (expression vec2 - (var_ref edge1) (var_ref edge0)))\n" + " (constant vec2 (1.0 1.0)))\n" + " (constant vec2 (0.0 0.0))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 edge0)\n" + " (declare (in) vec3 edge1)\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 max\n" + " (expression vec3 min\n" + " (expression vec3 / (expression vec3 - (var_ref x) (var_ref edge0)) (expression vec3 - (var_ref edge1) (var_ref edge0)))\n" + " (constant vec3 (1.0 1.0 1.0)))\n" + " (constant vec3 (0.0 0.0 0.0))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 edge0)\n" + " (declare (in) vec4 edge1)\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 max\n" + " (expression vec4 min\n" + " (expression vec4 / (expression vec4 - (var_ref x) (var_ref edge0)) (expression vec4 - (var_ref edge1) (var_ref edge0)))\n" + " (constant vec4 (1.0 1.0 1.0 1.0)))\n" + " (constant vec4 (0.0 0.0 0.0 0.0))))))\n" + "))\n" + "\n" + "" +; +static const char *builtin_sqrt = + "((function sqrt\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float arg0))\n" + " ((return (expression float sqrt (var_ref arg0)))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 arg0))\n" + " ((return (expression vec2 sqrt (var_ref arg0)))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 arg0))\n" + " ((return (expression vec3 sqrt (var_ref arg0)))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 arg0))\n" + " ((return (expression vec4 sqrt (var_ref arg0)))))\n" + "))\n" + "" +; +static const char *builtin_step = + "((function step\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) float x))\n" + " ((return (expression float b2f (expression bool >= (var_ref x) (var_ref edge))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) vec2 x))\n" + " ((declare () vec2 t)\n" + " (assign (constant bool (1)) (x) (var_ref t) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (y) (var_ref t) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge))))\n" + " (return (var_ref t))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) vec3 x))\n" + " ((declare () vec3 t)\n" + " (assign (constant bool (1)) (x) (var_ref t) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (y) (var_ref t) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (z) (var_ref t) (expression float b2f (expression bool >= (swiz z (var_ref x))(var_ref edge))))\n" + " (return (var_ref t))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) vec4 x))\n" + " ((declare () vec4 t)\n" + " (assign (constant bool (1)) (x) (var_ref t) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (y) (var_ref t) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (z) (var_ref t) (expression float b2f (expression bool >= (swiz z (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (w) (var_ref t) (expression float b2f (expression bool >= (swiz w (var_ref x))(var_ref edge))))\n" + " (return (var_ref t))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 edge)\n" + " (declare (in) vec2 x))\n" + " ((declare () vec2 t)\n" + " (assign (constant bool (1)) (x) (var_ref t) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" + " (assign (constant bool (1)) (y) (var_ref t) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" + " (return (var_ref t))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 edge)\n" + " (declare (in) vec3 x))\n" + " ((declare () vec3 t)\n" + " (assign (constant bool (1)) (x) (var_ref t) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" + " (assign (constant bool (1)) (y) (var_ref t) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" + " (assign (constant bool (1)) (z) (var_ref t) (expression float b2f (expression bool >= (swiz z (var_ref x))(swiz z (var_ref edge)))))\n" + " (return (var_ref t))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 edge)\n" + " (declare (in) vec4 x))\n" + " ((declare () vec4 t)\n" + " (assign (constant bool (1)) (x) (var_ref t) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" + " (assign (constant bool (1)) (y) (var_ref t) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" + " (assign (constant bool (1)) (z) (var_ref t) (expression float b2f (expression bool >= (swiz z (var_ref x))(swiz z (var_ref edge)))))\n" + " (assign (constant bool (1)) (w) (var_ref t) (expression float b2f (expression bool >= (swiz w (var_ref x))(swiz w (var_ref edge)))))\n" + " (return (var_ref t))))\n" + "))\n" + "\n" + "" +; +static const char *builtin_tan = + "((function tan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ((return (expression float / (expression float sin (var_ref angle)) (expression float cos (var_ref angle))))))\n" + "\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ((return (expression vec2 / (expression vec2 sin (var_ref angle)) (expression vec2 cos (var_ref angle))))))\n" + "\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ((return (expression vec3 / (expression vec3 sin (var_ref angle)) (expression vec3 cos (var_ref angle))))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ((return (expression vec4 / (expression vec4 sin (var_ref angle)) (expression vec4 cos (var_ref angle))))))\n" + "))\n" + "" +; +static const char *builtin_tanh = + "((function tanh\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ((return (expression float /\n" + " (expression float -\n" + " (expression float exp (var_ref x))\n" + " (expression float exp (expression float neg (var_ref x))))\n" + " (expression float +\n" + " (expression float exp (var_ref x))\n" + " (expression float exp (expression float neg (var_ref x))))))))\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ((return (expression vec2 /\n" + " (expression vec2 -\n" + " (expression vec2 exp (var_ref x))\n" + " (expression vec2 exp (expression vec2 neg (var_ref x))))\n" + " (expression vec2 +\n" + " (expression vec2 exp (var_ref x))\n" + " (expression vec2 exp (expression vec2 neg (var_ref x))))))))\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ((return (expression vec3 /\n" + " (expression vec3 -\n" + " (expression vec3 exp (var_ref x))\n" + " (expression vec3 exp (expression vec3 neg (var_ref x))))\n" + " (expression vec3 +\n" + " (expression vec3 exp (var_ref x))\n" + " (expression vec3 exp (expression vec3 neg (var_ref x))))))))\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ((return (expression vec4 /\n" + " (expression vec4 -\n" + " (expression vec4 exp (var_ref x))\n" + " (expression vec4 exp (expression vec4 neg (var_ref x))))\n" + " (expression vec4 +\n" + " (expression vec4 exp (var_ref x))\n" + " (expression vec4 exp (expression vec4 neg (var_ref x))))))))\n" + "))\n" + "" +; +static const char *builtin_texelFetch = + "((function texelFetch\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) int P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) int P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) int P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) ivec2 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) ivec2 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) ivec2 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) ivec3 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) ivec3 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) ivec3 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) ivec2 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1DArray sampler)\n" + " (declare (in) ivec2 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1DArray sampler)\n" + " (declare (in) ivec2 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) ivec3 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2DArray sampler)\n" + " (declare (in) ivec3 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2DArray sampler)\n" + " (declare (in) ivec3 P) \n" + " (declare (in) int lod) )\n" + " ((return (txf (var_ref sampler) (var_ref P) (0 0 0) (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture = + "((function texture\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) float P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) float P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isamplerCube sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usamplerCube sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1DArray sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1DArray sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2DArray sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2DArray sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isamplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usamplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture1D = + "((function texture1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture1DArray = + "((function texture1DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture1DArrayLod = + "((function texture1DArrayLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture1DLod = + "((function texture1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture1DProj = + "((function texture1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture1DProjLod = + "((function texture1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2D = + "((function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DArray = + "((function texture2DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DArrayLod = + "((function texture2DArrayLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DLod = + "((function texture2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DProj = + "((function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DProjLod = + "((function texture2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DRect = + "((function texture2DRect\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture2DRectProj = + "((function texture2DRectProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture3D = + "((function texture3D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture3DLod = + "((function texture3DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture3DProj = + "((function texture3DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_texture3DProjLod = + "((function texture3DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureCube = + "((function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (var_ref P) (0 0 0) 1 () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureCubeLod = + "((function textureCubeLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureGrad = + "((function textureGrad\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isamplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usamplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (var_ref P) (0 0 0) 1 () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureLod = + "((function textureLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) float P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isamplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usamplerCube sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1DArray sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2DArray sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (var_ref P) (0 0 0) 1 () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureProj = + "((function textureProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec2 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec3 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec4 P) )\n" + " ((return (tex (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float bias) )\n" + " ((return (txb (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref bias) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureProjGrad = + "((function textureProjGrad\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float dPdx) \n" + " (declare (in) float dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) vec2 dPdx) \n" + " (declare (in) vec2 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) vec3 dPdx) \n" + " (declare (in) vec3 dPdy) )\n" + " ((return (txd (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () ((var_ref dPdx) (var_ref dPdy)) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_textureProjLod = + "((function textureProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec2 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz y (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz x (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec3 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz z (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xy (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec4 P) \n" + " (declare (in) float lod) )\n" + " ((return (txl (var_ref sampler) (swiz xyz (var_ref P)) (0 0 0) (swiz w (var_ref P)) () (var_ref lod) ))))\n" + "\n" + "))\n" + "" +; +static const char *builtin_transpose = + "((function transpose\n" + " (signature mat2\n" + " (parameters\n" + " (declare (in) mat2 m))\n" + " ((declare () mat2 t)\n" + " (assign (constant bool (1)) (x) (array_ref (var_ref t) (constant int (0))) (swiz x (array_ref (var_ref m) (constant int (0)))))\n" + " (assign (constant bool (1)) (x) (array_ref (var_ref t) (constant int (1))) (swiz y (array_ref (var_ref m) (constant int (0)))))\n" + " (assign (constant bool (1)) (y) (array_ref (var_ref t) (constant int (0))) (swiz x (array_ref (var_ref m) (constant int (1)))))\n" + " (assign (constant bool (1)) (y) (array_ref (var_ref t) (constant int (1))) (swiz y (array_ref (var_ref m) (constant int (1)))))\n" + "(return (var_ref t))))\n" + "\n" + " (signature mat3x2\n" + " (parameters\n" + " (declare (in) mat2x3 m))\n" + " ((declare () mat3x2 t)\n" + " (assign 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(declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function greaterThan\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function greaterThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function equal\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function notEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function any\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function all\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function not\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ())))" +; +static const char *functions_for_100_frag [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cross, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_sign, + builtin_sin, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_texture2D, + builtin_texture2DProj, + builtin_textureCube, +}; +static const char *prototypes_for_100_vert = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function tan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function asin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function acos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function atan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float y)\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y)\n" + " (declare (in) vec4 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float y_over_x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y_over_x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y_over_x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y_over_x))\n" + " ()))\n" + "(function pow\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x)\n" + " (declare (in) float y))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ()))\n" + "(function exp\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function log\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function exp2\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function log2\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function sqrt\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function inversesqrt\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function abs\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function sign\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function floor\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function ceil\n" + " (signature float\n" + " 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(in) float maxVal))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) float minVal)\n" + " (declare (in) float maxVal))\n" + " ()))\n" + "(function mix\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x)\n" + " (declare (in) float y)\n" + " (declare (in) float a))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y)\n" + " (declare (in) vec2 a))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y)\n" + " (declare (in) vec3 a))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y)\n" + " (declare (in) vec4 a))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y)\n" + " (declare (in) float a))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y)\n" + " (declare (in) float a))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y)\n" + " (declare (in) float a))\n" + " ()))\n" + "(function step\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 edge)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 edge)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 edge)\n" + " (declare (in) vec4 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float edge)\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function smoothstep\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 edge0)\n" + " (declare (in) vec2 edge1)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 edge0)\n" + " (declare (in) vec3 edge1)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 edge0)\n" + " (declare (in) vec4 edge1)\n" + " (declare (in) vec4 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float edge0)\n" + " (declare (in) float edge1)\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function length\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function distance\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p0)\n" + " (declare (in) float p1))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 p0)\n" + " (declare (in) vec2 p1))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 p0)\n" + " (declare (in) vec3 p1))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 p0)\n" + " (declare (in) vec4 p1))\n" + " ()))\n" + "(function dot\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x)\n" + " (declare (in) float y))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ()))\n" + "(function cross\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ()))\n" + "(function normalize\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function faceforward\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float N)\n" + " (declare (in) float I)\n" + " (declare (in) float Nref))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 N)\n" + " (declare (in) vec2 I)\n" + " (declare (in) vec2 Nref))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 N)\n" + " (declare (in) vec3 I)\n" + " (declare (in) vec3 Nref))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 N)\n" + " (declare (in) vec4 I)\n" + " (declare (in) vec4 Nref))\n" + " ()))\n" + "(function reflect\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float I)\n" + " (declare (in) float N))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 I)\n" + " (declare (in) vec2 N))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 I)\n" + " (declare (in) vec3 N))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 I)\n" + " (declare (in) vec4 N))\n" + " ()))\n" + "(function refract\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float I)\n" + " (declare (in) float N)\n" + " (declare (in) float eta))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 I)\n" + " (declare (in) vec2 N)\n" + " (declare (in) float eta))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 I)\n" + " (declare (in) vec3 N)\n" + " (declare (in) float eta))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 I)\n" + " (declare (in) vec4 N)\n" + " (declare (in) float eta))\n" + " ()))\n" + "(function matrixCompMult\n" + " (signature mat2\n" + " (parameters\n" + " (declare (in) mat2 x)\n" + " (declare (in) mat2 y))\n" + " ())\n" + " (signature mat3\n" + " (parameters\n" + " (declare (in) mat3 x)\n" + " (declare (in) mat3 y))\n" + " ())\n" + " (signature mat4\n" + " (parameters\n" + " (declare (in) mat4 x)\n" + " (declare (in) mat4 y))\n" + " ()))\n" + "(function lessThan\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function lessThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function greaterThan\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function greaterThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function equal\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function notEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function any\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function all\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function not\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord))\n" + " ()))\n" + "(function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function textureCubeLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ())))" +; +static const char *functions_for_100_vert [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cross, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_sign, + builtin_sin, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_texture2D, + builtin_texture2DLod, + builtin_texture2DProj, + builtin_texture2DProjLod, + builtin_textureCube, + builtin_textureCubeLod, +}; +static const char *prototypes_for_110_frag = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " 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(declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function lessThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function greaterThan\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + 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(declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function notEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function any\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function all\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function not\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function texture1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float bias))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture3D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture3DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function dFdx\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function dFdy\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function fwidth\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise2\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise3\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise4\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ())))" +; +static const char *functions_for_110_frag [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cross, + builtin_dFdx, + builtin_dFdy, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_fwidth, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_noise1, + builtin_noise2, + builtin_noise3, + builtin_noise4, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_shadow1D, + builtin_shadow1DProj, + builtin_shadow2D, + builtin_shadow2DProj, + builtin_sign, + builtin_sin, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_texture1D, + builtin_texture1DProj, + builtin_texture2D, + builtin_texture2DProj, + builtin_texture3D, + builtin_texture3DProj, + builtin_textureCube, +}; +static const char *prototypes_for_110_vert = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function tan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " 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(parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function equal\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function notEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function any\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function all\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function not\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function texture1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord))\n" + " ()))\n" + "(function texture1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord))\n" + " ()))\n" + "(function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function texture3DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture3DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function textureCubeLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function shadow1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise2\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise3\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise4\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ())))" +; +static const char *functions_for_110_vert [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cross, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_ftransform, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_noise1, + builtin_noise2, + builtin_noise3, + builtin_noise4, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_shadow1D, + builtin_shadow1DLod, + builtin_shadow1DProj, + builtin_shadow1DProjLod, + builtin_shadow2D, + builtin_shadow2DLod, + builtin_shadow2DProj, + builtin_shadow2DProjLod, + builtin_sign, + builtin_sin, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_texture1D, + builtin_texture1DLod, + builtin_texture1DProj, + builtin_texture1DProjLod, + builtin_texture2D, + builtin_texture2DLod, + builtin_texture2DProj, + builtin_texture2DProjLod, + builtin_texture3D, + builtin_texture3DLod, + builtin_texture3DProj, + builtin_texture3DProjLod, + builtin_textureCube, + builtin_textureCubeLod, +}; +static const char *prototypes_for_120_frag = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function tan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function asin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function acos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function atan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float y)\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y)\n" + " (declare (in) vec4 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float y_over_x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y_over_x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y_over_x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y_over_x))\n" + " ()))\n" + "(function pow\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x)\n" + " (declare (in) float y))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ()))\n" + "(function exp\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " 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coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function dFdx\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function dFdy\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function fwidth\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise2\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise3\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise4\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ())))" +; +static const char *functions_for_120_frag [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cross, + builtin_dFdx, + builtin_dFdy, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_fwidth, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_noise1, + builtin_noise2, + builtin_noise3, + builtin_noise4, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_outerProduct, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_shadow1D, + builtin_shadow1DProj, + builtin_shadow2D, + builtin_shadow2DProj, + builtin_sign, + builtin_sin, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_texture1D, + builtin_texture1DProj, + builtin_texture2D, + builtin_texture2DProj, + builtin_texture3D, + builtin_texture3DProj, + builtin_textureCube, + builtin_transpose, +}; +static const char *prototypes_for_120_vert = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function tan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function asin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function acos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function atan\n" + " (signature float\n" + " 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+ " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function greaterThanEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ()))\n" + "(function equal\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function notEqual\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) vec2 x)\n" + " (declare (in) vec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) vec3 x)\n" + " (declare (in) vec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) vec4 x)\n" + " (declare (in) vec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) ivec2 x)\n" + " (declare (in) ivec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) ivec3 x)\n" + " (declare (in) ivec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) ivec4 x)\n" + " (declare (in) ivec4 y))\n" + " ())\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x)\n" + " (declare (in) bvec2 y))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x)\n" + " (declare (in) bvec3 y))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x)\n" + " (declare (in) bvec4 y))\n" + " ()))\n" + "(function any\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function all\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bool\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function not\n" + " (signature bvec2\n" + " (parameters\n" + " (declare (in) bvec2 x))\n" + " ())\n" + " (signature bvec3\n" + " (parameters\n" + " (declare (in) bvec3 x))\n" + " ())\n" + " (signature bvec4\n" + " (parameters\n" + " (declare (in) bvec4 x))\n" + " ()))\n" + "(function texture1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord))\n" + " ()))\n" + "(function texture1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord))\n" + " ()))\n" + "(function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function texture3DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function texture3DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function textureCubeLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function shadow1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise2\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise3\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise4\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ())))" +; +static const char *functions_for_120_vert [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cross, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_ftransform, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_noise1, + builtin_noise2, + builtin_noise3, + builtin_noise4, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_outerProduct, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_shadow1D, + builtin_shadow1DLod, + builtin_shadow1DProj, + builtin_shadow1DProjLod, + builtin_shadow2D, + builtin_shadow2DLod, + builtin_shadow2DProj, + builtin_shadow2DProjLod, + builtin_sign, + builtin_sin, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_texture1D, + builtin_texture1DLod, + builtin_texture1DProj, + builtin_texture1DProjLod, + builtin_texture2D, + builtin_texture2DLod, + builtin_texture2DProj, + builtin_texture2DProjLod, + builtin_texture3D, + builtin_texture3DLod, + builtin_texture3DProj, + builtin_texture3DProjLod, + builtin_textureCube, + builtin_textureCubeLod, + builtin_transpose, +}; +static const char *prototypes_for_130_frag = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function tan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function asin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function acos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function atan\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float y)\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y)\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y)\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y)\n" + " (declare (in) vec4 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float y_over_x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 y_over_x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 y_over_x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 y_over_x))\n" + " ()))\n" + "(function sinh\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " 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isamplerCube sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec3 dPdx)\n" + " (declare (in) vec3 dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usamplerCube sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec3 dPdx)\n" + " (declare (in) vec3 dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) samplerCubeShadow sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec3 dPdx)\n" + " (declare (in) vec3 dPdy))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1DArray sampler)\n" + " (declare (in) vec2 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1DArray sampler)\n" + " (declare (in) vec2 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2DArray sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2DArray sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) sampler2DArrayShadow sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ()))\n" + "(function textureProjGrad\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec2 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec2 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler1D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler1D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec3 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler2D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler2D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec3 dPdx)\n" + " (declare (in) vec3 dPdy))\n" + " ())\n" + " (signature ivec4\n" + " (parameters\n" + " (declare (in) isampler3D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec3 dPdx)\n" + " (declare (in) vec3 dPdy))\n" + " ())\n" + " (signature uvec4\n" + " (parameters\n" + " (declare (in) usampler3D sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec3 dPdx)\n" + " (declare (in) vec3 dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) float dPdx)\n" + " (declare (in) float dPdy))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 P)\n" + " (declare (in) vec2 dPdx)\n" + " (declare (in) vec2 dPdy))\n" + " ()))\n" + "(function texture1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float bias))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) float coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture3DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture3DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function textureCubeLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function dFdx\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function dFdy\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function fwidth\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float p))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 p))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 p))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 p))\n" + " ()))\n" + "(function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise2\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise3\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise4\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ())))" +; +static const char *functions_for_130_frag [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cosh, + builtin_cross, + builtin_dFdx, + builtin_dFdy, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_fwidth, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_noise1, + builtin_noise2, + builtin_noise3, + builtin_noise4, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_outerProduct, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_shadow1D, + builtin_shadow1DLod, + builtin_shadow1DProj, + builtin_shadow1DProjLod, + builtin_shadow2D, + builtin_shadow2DLod, + builtin_shadow2DProj, + builtin_shadow2DProjLod, + builtin_sign, + builtin_sin, + builtin_sinh, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_tanh, + builtin_texelFetch, + builtin_texture, + builtin_texture1D, + builtin_texture1DLod, + builtin_texture1DProj, + builtin_texture1DProjLod, + builtin_texture2D, + builtin_texture2DLod, + builtin_texture2DProj, + builtin_texture2DProjLod, + builtin_texture3D, + builtin_texture3DLod, + builtin_texture3DProj, + builtin_texture3DProjLod, + builtin_textureCube, + builtin_textureCubeLod, + builtin_textureGrad, + builtin_textureLod, + builtin_textureProj, + builtin_textureProjGrad, + builtin_textureProjLod, + builtin_transpose, +}; +static const char *prototypes_for_130_vert = + "(\n" + "(function radians\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float degrees))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 degrees))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 degrees))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 degrees))\n" + " ()))\n" + "(function degrees\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float radians))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 radians))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 radians))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 radians))\n" + " ()))\n" + "(function sin\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 angle))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 angle))\n" + " ()))\n" + "(function cos\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float angle))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 angle))\n" + " ())\n" + " (signature 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"(function texture3D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture3DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture3DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture3DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler3D sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function textureCube\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function textureCubeLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) samplerCube sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2D\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2DProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DProjLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DShadow sampler)\n" + " (declare (in) vec4 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function noise1\n" + " (signature float\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature float\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise2\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec2\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise3\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec3\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ()))\n" + "(function noise4\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) float x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec2 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec3 x))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) vec4 x))\n" + " ())))" +; +static const char *functions_for_130_vert [] = { + builtin_abs, + builtin_acos, + builtin_all, + builtin_any, + builtin_asin, + builtin_atan, + builtin_ceil, + builtin_clamp, + builtin_cos, + builtin_cosh, + builtin_cross, + builtin_degrees, + builtin_distance, + builtin_dot, + builtin_equal, + builtin_exp, + builtin_exp2, + builtin_faceforward, + builtin_floor, + builtin_fract, + builtin_ftransform, + builtin_greaterThan, + builtin_greaterThanEqual, + builtin_inversesqrt, + builtin_length, + builtin_lessThan, + builtin_lessThanEqual, + builtin_log, + builtin_log2, + builtin_matrixCompMult, + builtin_max, + builtin_min, + builtin_mix, + builtin_mod, + builtin_noise1, + builtin_noise2, + builtin_noise3, + builtin_noise4, + builtin_normalize, + builtin_not, + builtin_notEqual, + builtin_outerProduct, + builtin_pow, + builtin_radians, + builtin_reflect, + builtin_refract, + builtin_shadow1D, + builtin_shadow1DLod, + builtin_shadow1DProj, + builtin_shadow1DProjLod, + builtin_shadow2D, + builtin_shadow2DLod, + builtin_shadow2DProj, + builtin_shadow2DProjLod, + builtin_sign, + builtin_sin, + builtin_sinh, + builtin_smoothstep, + builtin_sqrt, + builtin_step, + builtin_tan, + builtin_tanh, + builtin_texelFetch, + builtin_texture, + builtin_texture1D, + builtin_texture1DLod, + builtin_texture1DProj, + builtin_texture1DProjLod, + builtin_texture2D, + builtin_texture2DLod, + builtin_texture2DProj, + builtin_texture2DProjLod, + builtin_texture3D, + builtin_texture3DLod, + builtin_texture3DProj, + builtin_texture3DProjLod, + builtin_textureCube, + builtin_textureCubeLod, + builtin_textureGrad, + builtin_textureLod, + builtin_textureProj, + builtin_textureProjGrad, + builtin_textureProjLod, + builtin_transpose, +}; +static const char *prototypes_for_ARB_texture_rectangle_frag = + "(\n" + "(function texture2DRect\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec2 coord))\n" + " ()))\n" + "(function texture2DRectProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function shadow2DRect\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRectShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow2DRectProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRectShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())))" +; +static const char *functions_for_ARB_texture_rectangle_frag [] = { + builtin_shadow2DRect, + builtin_shadow2DRectProj, + builtin_texture2DRect, + builtin_texture2DRectProj, +}; +static const char *prototypes_for_ARB_texture_rectangle_vert = + "(\n" + "(function texture2DRect\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec2 coord))\n" + " ()))\n" + "(function texture2DRectProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRect sampler)\n" + " (declare (in) vec4 coord))\n" + " ()))\n" + "(function shadow2DRect\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRectShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow2DRectProj\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DRectShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())))" +; +static const char *functions_for_ARB_texture_rectangle_vert [] = { + builtin_shadow2DRect, + builtin_shadow2DRectProj, + builtin_texture2DRect, + builtin_texture2DRectProj, +}; +static const char *prototypes_for_EXT_texture_array_frag = + "(\n" + "(function texture1DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function texture2DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow1DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ())\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float bias))\n" + " ()))\n" + "(function shadow2DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArrayShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())))" +; +static const char *functions_for_EXT_texture_array_frag [] = { + builtin_shadow1DArray, + builtin_shadow2DArray, + builtin_texture1DArray, + builtin_texture2DArray, +}; +static const char *prototypes_for_EXT_texture_array_vert = + "(\n" + "(function texture1DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 coord))\n" + " ()))\n" + "(function texture1DArrayLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArray sampler)\n" + " (declare (in) vec2 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function texture2DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function texture2DArrayLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArray sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow1DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 coord))\n" + " ()))\n" + "(function shadow1DArrayLod\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler1DArrayShadow sampler)\n" + " (declare (in) vec3 coord)\n" + " (declare (in) float lod))\n" + " ()))\n" + "(function shadow2DArray\n" + " (signature vec4\n" + " (parameters\n" + " (declare (in) sampler2DArrayShadow sampler)\n" + " (declare (in) vec4 coord))\n" + " ())))" +; +static const char *functions_for_EXT_texture_array_vert [] = { + builtin_shadow1DArray, + builtin_shadow1DArrayLod, + builtin_shadow2DArray, + builtin_texture1DArray, + builtin_texture1DArrayLod, + builtin_texture2DArray, + builtin_texture2DArrayLod, +}; +static gl_shader *builtin_profiles[12]; + +void *builtin_mem_ctx = NULL; + +void +_mesa_glsl_release_functions(void) +{ + talloc_free(builtin_mem_ctx); + builtin_mem_ctx = NULL; + memset(builtin_profiles, 0, sizeof(builtin_profiles)); +} + +static void +_mesa_read_profile(struct _mesa_glsl_parse_state *state, + exec_list *instructions, + int profile_index, + const char *prototypes, + const char **functions, + int count) +{ + gl_shader *sh = builtin_profiles[profile_index]; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, prototypes, functions, count); + talloc_steal(builtin_mem_ctx, sh); + builtin_profiles[profile_index] = sh; + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; +} + +void +_mesa_glsl_initialize_functions(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + if (builtin_mem_ctx == NULL) { + builtin_mem_ctx = talloc_init("GLSL built-in functions"); + memset(&builtin_profiles, 0, sizeof(builtin_profiles)); + } + + state->num_builtins_to_link = 0; + + if (state->target == fragment_shader && state->language_version == 100) { + _mesa_read_profile(state, instructions, 0, + prototypes_for_100_frag, + functions_for_100_frag, + Elements(functions_for_100_frag)); + } + + if (state->target == vertex_shader && state->language_version == 100) { + _mesa_read_profile(state, instructions, 1, + prototypes_for_100_vert, + functions_for_100_vert, + Elements(functions_for_100_vert)); + } + + if (state->target == fragment_shader && state->language_version == 110) { + _mesa_read_profile(state, instructions, 2, + prototypes_for_110_frag, + functions_for_110_frag, + Elements(functions_for_110_frag)); + } + + if (state->target == vertex_shader && state->language_version == 110) { + _mesa_read_profile(state, instructions, 3, + prototypes_for_110_vert, + functions_for_110_vert, + Elements(functions_for_110_vert)); + } + + if (state->target == fragment_shader && state->language_version == 120) { + _mesa_read_profile(state, instructions, 4, + prototypes_for_120_frag, + functions_for_120_frag, + Elements(functions_for_120_frag)); + } + + if (state->target == vertex_shader && state->language_version == 120) { + _mesa_read_profile(state, instructions, 5, + prototypes_for_120_vert, + functions_for_120_vert, + Elements(functions_for_120_vert)); + } + + if (state->target == fragment_shader && state->language_version == 130) { + _mesa_read_profile(state, instructions, 6, + prototypes_for_130_frag, + functions_for_130_frag, + Elements(functions_for_130_frag)); + } + + if (state->target == vertex_shader && state->language_version == 130) { + _mesa_read_profile(state, instructions, 7, + prototypes_for_130_vert, + functions_for_130_vert, + Elements(functions_for_130_vert)); + } + + if (state->target == fragment_shader && state->ARB_texture_rectangle_enable) { + _mesa_read_profile(state, instructions, 8, + prototypes_for_ARB_texture_rectangle_frag, + functions_for_ARB_texture_rectangle_frag, + Elements(functions_for_ARB_texture_rectangle_frag)); + } + + if (state->target == vertex_shader && state->ARB_texture_rectangle_enable) { + _mesa_read_profile(state, instructions, 9, + prototypes_for_ARB_texture_rectangle_vert, + functions_for_ARB_texture_rectangle_vert, + Elements(functions_for_ARB_texture_rectangle_vert)); + } + + if (state->target == fragment_shader && state->EXT_texture_array_enable) { + _mesa_read_profile(state, instructions, 10, + prototypes_for_EXT_texture_array_frag, + functions_for_EXT_texture_array_frag, + Elements(functions_for_EXT_texture_array_frag)); + } + + if (state->target == vertex_shader && state->EXT_texture_array_enable) { + _mesa_read_profile(state, instructions, 11, + prototypes_for_EXT_texture_array_vert, + functions_for_EXT_texture_array_vert, + Elements(functions_for_EXT_texture_array_vert)); + } + +} diff --git a/mesalib/src/glsl/builtin_types.h b/mesalib/src/glsl/builtin_types.h new file mode 100644 index 000000000..6dabbf0d3 --- /dev/null +++ b/mesalib/src/glsl/builtin_types.h @@ -0,0 +1,297 @@ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +const glsl_type glsl_type::_error_type = + glsl_type(GL_INVALID_ENUM, GLSL_TYPE_ERROR, 0, 0, ""); + +const glsl_type glsl_type::void_type = + glsl_type(GL_INVALID_ENUM, GLSL_TYPE_VOID, 0, 0, "void"); + +const glsl_type *const glsl_type::error_type = & glsl_type::_error_type; + +/** \name Core built-in types + * + * These types exist in all versions of GLSL. + */ +/*@{*/ + +const glsl_type glsl_type::builtin_core_types[] = { + glsl_type(GL_BOOL, GLSL_TYPE_BOOL, 1, 1, "bool"), + glsl_type(GL_BOOL_VEC2, GLSL_TYPE_BOOL, 2, 1, "bvec2"), + glsl_type(GL_BOOL_VEC3, GLSL_TYPE_BOOL, 3, 1, "bvec3"), + glsl_type(GL_BOOL_VEC4, GLSL_TYPE_BOOL, 4, 1, "bvec4"), + glsl_type(GL_INT, GLSL_TYPE_INT, 1, 1, "int"), + glsl_type(GL_INT_VEC2, GLSL_TYPE_INT, 2, 1, "ivec2"), + glsl_type(GL_INT_VEC3, GLSL_TYPE_INT, 3, 1, "ivec3"), + glsl_type(GL_INT_VEC4, GLSL_TYPE_INT, 4, 1, "ivec4"), + glsl_type(GL_FLOAT, GLSL_TYPE_FLOAT, 1, 1, "float"), + glsl_type(GL_FLOAT_VEC2, GLSL_TYPE_FLOAT, 2, 1, "vec2"), + glsl_type(GL_FLOAT_VEC3, GLSL_TYPE_FLOAT, 3, 1, "vec3"), + glsl_type(GL_FLOAT_VEC4, GLSL_TYPE_FLOAT, 4, 1, "vec4"), + glsl_type(GL_FLOAT_MAT2, GLSL_TYPE_FLOAT, 2, 2, "mat2"), + glsl_type(GL_FLOAT_MAT3, GLSL_TYPE_FLOAT, 3, 3, "mat3"), + glsl_type(GL_FLOAT_MAT4, GLSL_TYPE_FLOAT, 4, 4, "mat4"), + glsl_type(GL_SAMPLER_2D, GLSL_SAMPLER_DIM_2D, 0, 0, GLSL_TYPE_FLOAT, + "sampler2D"), + glsl_type(GL_SAMPLER_CUBE, GLSL_SAMPLER_DIM_CUBE, 0, 0, GLSL_TYPE_FLOAT, + "samplerCube"), +}; + +const glsl_type *const glsl_type::bool_type = & builtin_core_types[0]; +const glsl_type *const glsl_type::int_type = & builtin_core_types[4]; +const glsl_type *const glsl_type::ivec4_type = & builtin_core_types[7]; +const glsl_type *const glsl_type::float_type = & builtin_core_types[8]; +const glsl_type *const glsl_type::vec2_type = & builtin_core_types[9]; +const glsl_type *const glsl_type::vec3_type = & builtin_core_types[10]; +const glsl_type *const glsl_type::vec4_type = & builtin_core_types[11]; +const glsl_type *const glsl_type::mat2_type = & builtin_core_types[12]; +const glsl_type *const glsl_type::mat3_type = & builtin_core_types[13]; +const glsl_type *const glsl_type::mat4_type = & builtin_core_types[14]; +/*@}*/ + +/** \name GLSL structures that have not been deprecated. + */ +/*@{*/ + +static const struct glsl_struct_field gl_DepthRangeParameters_fields[] = { + { glsl_type::float_type, "near" }, + { glsl_type::float_type, "far" }, + { glsl_type::float_type, "diff" }, +}; + +const glsl_type glsl_type::builtin_structure_types[] = { + glsl_type(gl_DepthRangeParameters_fields, + Elements(gl_DepthRangeParameters_fields), + "gl_DepthRangeParameters"), +}; +/*@}*/ + +/** \name GLSL 1.00 / 1.10 structures that are deprecated in GLSL 1.30 + */ +/*@{*/ + +static const struct glsl_struct_field gl_PointParameters_fields[] = { + { glsl_type::float_type, "size" }, + { glsl_type::float_type, "sizeMin" }, + { glsl_type::float_type, "sizeMax" }, + { glsl_type::float_type, "fadeThresholdSize" }, + { glsl_type::float_type, "distanceConstantAttenuation" }, + { glsl_type::float_type, "distanceLinearAttenuation" }, + { glsl_type::float_type, "distanceQuadraticAttenuation" }, +}; + +static const struct glsl_struct_field gl_MaterialParameters_fields[] = { + { glsl_type::vec4_type, "emission" }, + { glsl_type::vec4_type, "ambient" }, + { glsl_type::vec4_type, "diffuse" }, + { glsl_type::vec4_type, "specular" }, + { glsl_type::float_type, "shininess" }, +}; + +static const struct glsl_struct_field gl_LightSourceParameters_fields[] = { + { glsl_type::vec4_type, "ambient" }, + { glsl_type::vec4_type, "diffuse" }, + { glsl_type::vec4_type, "specular" }, + { glsl_type::vec4_type, "position" }, + { glsl_type::vec4_type, "halfVector" }, + { glsl_type::vec3_type, "spotDirection" }, + { glsl_type::float_type, "spotExponent" }, + { glsl_type::float_type, "spotCutoff" }, + { glsl_type::float_type, "spotCosCutoff" }, + { glsl_type::float_type, "constantAttenuation" }, + { glsl_type::float_type, "linearAttenuation" }, + { glsl_type::float_type, "quadraticAttenuation" }, +}; + +static const struct glsl_struct_field gl_LightModelParameters_fields[] = { + { glsl_type::vec4_type, "ambient" }, +}; + +static const struct glsl_struct_field gl_LightModelProducts_fields[] = { + { glsl_type::vec4_type, "sceneColor" }, +}; + +static const struct glsl_struct_field gl_LightProducts_fields[] = { + { glsl_type::vec4_type, "ambient" }, + { glsl_type::vec4_type, "diffuse" }, + { glsl_type::vec4_type, "specular" }, +}; + +static const struct glsl_struct_field gl_FogParameters_fields[] = { + { glsl_type::vec4_type, "color" }, + { glsl_type::float_type, "density" }, + { glsl_type::float_type, "start" }, + { glsl_type::float_type, "end" }, + { glsl_type::float_type, "scale" }, +}; + +const glsl_type glsl_type::builtin_110_deprecated_structure_types[] = { + glsl_type(gl_PointParameters_fields, + Elements(gl_PointParameters_fields), + "gl_PointParameters"), + glsl_type(gl_MaterialParameters_fields, + Elements(gl_MaterialParameters_fields), + "gl_MaterialParameters"), + glsl_type(gl_LightSourceParameters_fields, + Elements(gl_LightSourceParameters_fields), + "gl_LightSourceParameters"), + glsl_type(gl_LightModelParameters_fields, + Elements(gl_LightModelParameters_fields), + "gl_LightModelParameters"), + glsl_type(gl_LightModelProducts_fields, + Elements(gl_LightModelProducts_fields), + "gl_LightModelProducts"), + glsl_type(gl_LightProducts_fields, + Elements(gl_LightProducts_fields), + "gl_LightProducts"), + glsl_type(gl_FogParameters_fields, + Elements(gl_FogParameters_fields), + "gl_FogParameters"), +}; +/*@}*/ + +/** \name Types in GLSL 1.10 (but not GLSL ES 1.00) + */ +/*@{*/ +const glsl_type glsl_type::builtin_110_types[] = { + glsl_type(GL_SAMPLER_1D, GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_FLOAT, + "sampler1D"), + glsl_type(GL_SAMPLER_1D_SHADOW, GLSL_SAMPLER_DIM_1D, 1, 0, GLSL_TYPE_FLOAT, + "sampler1DShadow"), + glsl_type(GL_SAMPLER_2D_SHADOW, GLSL_SAMPLER_DIM_2D, 1, 0, GLSL_TYPE_FLOAT, + "sampler2DShadow"), + glsl_type(GL_SAMPLER_3D, GLSL_SAMPLER_DIM_3D, 0, 0, GLSL_TYPE_FLOAT, + "sampler3D"), +}; +/*@}*/ + +/** \name Types added in GLSL 1.20 + */ +/*@{*/ + +const glsl_type glsl_type::builtin_120_types[] = { + glsl_type(GL_FLOAT_MAT2x3, GLSL_TYPE_FLOAT, 3, 2, "mat2x3"), + glsl_type(GL_FLOAT_MAT2x4, GLSL_TYPE_FLOAT, 4, 2, "mat2x4"), + glsl_type(GL_FLOAT_MAT3x2, GLSL_TYPE_FLOAT, 2, 3, "mat3x2"), + glsl_type(GL_FLOAT_MAT3x4, GLSL_TYPE_FLOAT, 4, 3, "mat3x4"), + glsl_type(GL_FLOAT_MAT4x2, GLSL_TYPE_FLOAT, 2, 4, "mat4x2"), + glsl_type(GL_FLOAT_MAT4x3, GLSL_TYPE_FLOAT, 3, 4, "mat4x3"), +}; +const glsl_type *const glsl_type::mat2x3_type = & builtin_120_types[0]; +const glsl_type *const glsl_type::mat2x4_type = & builtin_120_types[1]; +const glsl_type *const glsl_type::mat3x2_type = & builtin_120_types[2]; +const glsl_type *const glsl_type::mat3x4_type = & builtin_120_types[3]; +const glsl_type *const glsl_type::mat4x2_type = & builtin_120_types[4]; +const glsl_type *const glsl_type::mat4x3_type = & builtin_120_types[5]; +/*@}*/ + +/** \name Types added in GLSL 1.30 + */ +/*@{*/ + +const glsl_type glsl_type::builtin_130_types[] = { + glsl_type(GL_UNSIGNED_INT, GLSL_TYPE_UINT, 1, 1, "uint"), + glsl_type(GL_UNSIGNED_INT_VEC2, GLSL_TYPE_UINT, 2, 1, "uvec2"), + glsl_type(GL_UNSIGNED_INT_VEC3, GLSL_TYPE_UINT, 3, 1, "uvec3"), + glsl_type(GL_UNSIGNED_INT_VEC4, GLSL_TYPE_UINT, 4, 1, "uvec4"), + + /* 1D and 2D texture arrays - several of these are included only in + * builtin_EXT_texture_array_types. + */ + glsl_type(GL_INT_SAMPLER_1D_ARRAY, + GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_INT, "isampler1DArray"), + glsl_type(GL_UNSIGNED_INT_SAMPLER_1D_ARRAY, + GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_UINT, "usampler1DArray"), + glsl_type(GL_INT_SAMPLER_2D_ARRAY, + GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_INT, "isampler2DArray"), + glsl_type(GL_UNSIGNED_INT_SAMPLER_2D_ARRAY, + GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_UINT, "usampler2DArray"), + + /* cube shadow samplers */ + glsl_type(GL_SAMPLER_CUBE_SHADOW, + GLSL_SAMPLER_DIM_CUBE, 1, 0, GLSL_TYPE_FLOAT, "samplerCubeShadow"), + + /* signed and unsigned integer samplers */ + glsl_type(GL_INT_SAMPLER_1D, + GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_INT, "isampler1D"), + glsl_type(GL_UNSIGNED_INT_SAMPLER_1D, + GLSL_SAMPLER_DIM_1D, 0, 0, GLSL_TYPE_UINT, "usampler1D"), + glsl_type(GL_INT_SAMPLER_2D, + GLSL_SAMPLER_DIM_2D, 0, 0, GLSL_TYPE_INT, "isampler2D"), + glsl_type(GL_UNSIGNED_INT_SAMPLER_2D, + GLSL_SAMPLER_DIM_2D, 0, 0, GLSL_TYPE_UINT, "usampler2D"), + glsl_type(GL_INT_SAMPLER_3D, + GLSL_SAMPLER_DIM_3D, 0, 0, GLSL_TYPE_INT, "isampler3D"), + glsl_type(GL_UNSIGNED_INT_SAMPLER_3D, + GLSL_SAMPLER_DIM_3D, 0, 0, GLSL_TYPE_UINT, "usampler3D"), + glsl_type(GL_INT_SAMPLER_CUBE, + GLSL_SAMPLER_DIM_CUBE, 0, 0, GLSL_TYPE_INT, "isamplerCube"), + glsl_type(GL_INT_SAMPLER_CUBE, + GLSL_SAMPLER_DIM_CUBE, 0, 0, GLSL_TYPE_UINT, "usamplerCube"), +}; + +const glsl_type *const glsl_type::uint_type = & builtin_130_types[0]; +const glsl_type *const glsl_type::uvec4_type = & builtin_130_types[3]; +/*@}*/ + +/** \name Sampler types added by GL_ARB_texture_rectangle + */ +/*@{*/ + +const glsl_type glsl_type::builtin_ARB_texture_rectangle_types[] = { + glsl_type(GL_SAMPLER_2D_RECT, + GLSL_SAMPLER_DIM_RECT, 0, 0, GLSL_TYPE_FLOAT, "sampler2DRect"), + glsl_type(GL_SAMPLER_2D_RECT_SHADOW, + GLSL_SAMPLER_DIM_RECT, 1, 0, GLSL_TYPE_FLOAT, "sampler2DRectShadow"), +}; +/*@}*/ + +/** \name Sampler types added by GL_EXT_texture_array + */ +/*@{*/ + +const glsl_type glsl_type::builtin_EXT_texture_array_types[] = { + glsl_type(GL_SAMPLER_1D_ARRAY, + GLSL_SAMPLER_DIM_1D, 0, 1, GLSL_TYPE_FLOAT, "sampler1DArray"), + glsl_type(GL_SAMPLER_1D_ARRAY_SHADOW, + GLSL_SAMPLER_DIM_2D, 0, 1, GLSL_TYPE_FLOAT, "sampler2DArray"), + glsl_type(GL_SAMPLER_2D_ARRAY, + GLSL_SAMPLER_DIM_1D, 1, 1, GLSL_TYPE_FLOAT, "sampler1DArrayShadow"), + glsl_type(GL_SAMPLER_2D_ARRAY_SHADOW, + GLSL_SAMPLER_DIM_2D, 1, 1, GLSL_TYPE_FLOAT, "sampler2DArrayShadow"), +}; +/*@}*/ + +/** \name Sampler types added by GL_EXT_texture_buffer_object + */ +/*@{*/ + +const glsl_type glsl_type::builtin_EXT_texture_buffer_object_types[] = { + glsl_type(GL_SAMPLER_BUFFER, + GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_FLOAT, "samplerBuffer"), + glsl_type(GL_INT_SAMPLER_BUFFER, + GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_INT, "isamplerBuffer"), + glsl_type(GL_UNSIGNED_INT_SAMPLER_BUFFER, + GLSL_SAMPLER_DIM_BUF, 0, 0, GLSL_TYPE_UINT, "usamplerBuffer"), +}; +/*@}*/ diff --git a/mesalib/src/glsl/builtin_variables.h b/mesalib/src/glsl/builtin_variables.h new file mode 100644 index 000000000..a34c67e34 --- /dev/null +++ b/mesalib/src/glsl/builtin_variables.h @@ -0,0 +1,105 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "main/core.h" /* for slot numbers */ + +struct builtin_variable { + enum ir_variable_mode mode; + int slot; + const char *type; + const char *name; +}; + +static const builtin_variable builtin_core_vs_variables[] = { + { ir_var_out, VERT_RESULT_HPOS, "vec4", "gl_Position" }, + { ir_var_out, VERT_RESULT_PSIZ, "float", "gl_PointSize" }, +}; + +static const builtin_variable builtin_core_fs_variables[] = { + { ir_var_in, FRAG_ATTRIB_WPOS, "vec4", "gl_FragCoord" }, + { ir_var_in, FRAG_ATTRIB_FACE, "bool", "gl_FrontFacing" }, + { ir_var_out, FRAG_RESULT_COLOR, "vec4", "gl_FragColor" }, +}; + +static const builtin_variable builtin_100ES_fs_variables[] = { + { ir_var_in, FRAG_ATTRIB_PNTC, "vec2", "gl_PointCoord" }, +}; + +static const builtin_variable builtin_110_fs_variables[] = { + { ir_var_out, FRAG_RESULT_DEPTH, "float", "gl_FragDepth" }, +}; + +static const builtin_variable builtin_110_deprecated_fs_variables[] = { + { ir_var_in, FRAG_ATTRIB_COL0, "vec4", "gl_Color" }, + { ir_var_in, FRAG_ATTRIB_COL1, "vec4", "gl_SecondaryColor" }, + { ir_var_in, FRAG_ATTRIB_FOGC, "float", "gl_FogFragCoord" }, +}; + +static const builtin_variable builtin_110_deprecated_vs_variables[] = { + { ir_var_in, VERT_ATTRIB_POS, "vec4", "gl_Vertex" }, + { ir_var_in, VERT_ATTRIB_NORMAL, "vec3", "gl_Normal" }, + { ir_var_in, VERT_ATTRIB_COLOR0, "vec4", "gl_Color" }, + { ir_var_in, VERT_ATTRIB_COLOR1, "vec4", "gl_SecondaryColor" }, + { ir_var_in, VERT_ATTRIB_TEX0, "vec4", "gl_MultiTexCoord0" }, + { ir_var_in, VERT_ATTRIB_TEX1, "vec4", "gl_MultiTexCoord1" }, + { ir_var_in, VERT_ATTRIB_TEX2, "vec4", "gl_MultiTexCoord2" }, + { ir_var_in, VERT_ATTRIB_TEX3, "vec4", "gl_MultiTexCoord3" }, + { ir_var_in, VERT_ATTRIB_TEX4, "vec4", "gl_MultiTexCoord4" }, + { ir_var_in, VERT_ATTRIB_TEX5, "vec4", "gl_MultiTexCoord5" }, + { ir_var_in, VERT_ATTRIB_TEX6, "vec4", "gl_MultiTexCoord6" }, + { ir_var_in, VERT_ATTRIB_TEX7, "vec4", "gl_MultiTexCoord7" }, + { ir_var_in, VERT_ATTRIB_FOG, "float", "gl_FogCoord" }, + { ir_var_out, VERT_RESULT_HPOS, "vec4", "gl_ClipVertex" }, + { ir_var_out, VERT_RESULT_COL0, "vec4", "gl_FrontColor" }, + { ir_var_out, VERT_RESULT_BFC0, "vec4", "gl_BackColor" }, + { ir_var_out, VERT_RESULT_COL1, "vec4", "gl_FrontSecondaryColor" }, + { ir_var_out, VERT_RESULT_BFC1, "vec4", "gl_BackSecondaryColor" }, + { ir_var_out, VERT_RESULT_FOGC, "float", "gl_FogFragCoord" }, +}; + +static const builtin_variable builtin_120_fs_variables[] = { + { ir_var_in, FRAG_ATTRIB_PNTC, "vec2", "gl_PointCoord" }, +}; + +static const builtin_variable builtin_130_vs_variables[] = { + { ir_var_in, -1, "int", "gl_VertexID" }, +}; + +static const builtin_variable builtin_110_deprecated_uniforms[] = { + { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrix" }, + { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrix" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrix" }, + { ir_var_uniform, -1, "mat3", "gl_NormalMatrix" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixInverse" }, + { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixInverse" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixInverse" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixTranspose" }, + { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixTranspose" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixTranspose" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewMatrixInverseTranspose" }, + { ir_var_uniform, -1, "mat4", "gl_ProjectionMatrixInverseTranspose" }, + { ir_var_uniform, -1, "mat4", "gl_ModelViewProjectionMatrixInverseTranspose" }, + { ir_var_uniform, -1, "float", "gl_NormalScale" }, + { ir_var_uniform, -1, "gl_LightModelParameters", "gl_LightModel"}, +}; + diff --git a/mesalib/src/glsl/cl/Makefile b/mesalib/src/glsl/cl/Makefile deleted file mode 100644 index 04a52df8c..000000000 --- a/mesalib/src/glsl/cl/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -#src/glsl/cl/Makefile - -TOP = ../../.. - -include $(TOP)/configs/current - -LIBNAME = glslcl - -C_SOURCES = \ - sl_cl_parse.c - -include ../Makefile.template - diff --git a/mesalib/src/glsl/cl/sl_cl_parse.c b/mesalib/src/glsl/cl/sl_cl_parse.c deleted file mode 100644 index 771bdfd08..000000000 --- a/mesalib/src/glsl/cl/sl_cl_parse.c +++ /dev/null @@ -1,3001 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include "../pp/sl_pp_public.h" -#include "sl_cl_parse.h" - - -/* revision number - increment after each change affecting emitted output */ -#define REVISION 5 - -/* external declaration (or precision or invariant stmt) */ -#define EXTERNAL_NULL 0 -#define EXTERNAL_FUNCTION_DEFINITION 1 -#define EXTERNAL_DECLARATION 2 -#define DEFAULT_PRECISION 3 -#define INVARIANT_STMT 4 - -/* precision */ -#define PRECISION_DEFAULT 0 -#define PRECISION_LOW 1 -#define PRECISION_MEDIUM 2 -#define PRECISION_HIGH 3 - -/* declaration */ -#define DECLARATION_FUNCTION_PROTOTYPE 1 -#define DECLARATION_INIT_DECLARATOR_LIST 2 - -/* function type */ -#define FUNCTION_ORDINARY 0 -#define FUNCTION_CONSTRUCTOR 1 -#define FUNCTION_OPERATOR 2 - -/* function call type */ -#define FUNCTION_CALL_NONARRAY 0 -#define FUNCTION_CALL_ARRAY 1 - -/* operator type */ -#define OPERATOR_ADDASSIGN 1 -#define OPERATOR_SUBASSIGN 2 -#define OPERATOR_MULASSIGN 3 -#define OPERATOR_DIVASSIGN 4 -/*#define OPERATOR_MODASSIGN 5*/ -/*#define OPERATOR_LSHASSIGN 6*/ -/*#define OPERATOR_RSHASSIGN 7*/ -/*#define OPERATOR_ORASSIGN 8*/ -/*#define OPERATOR_XORASSIGN 9*/ -/*#define OPERATOR_ANDASSIGN 10*/ -#define OPERATOR_LOGICALXOR 11 -/*#define OPERATOR_BITOR 12*/ -/*#define OPERATOR_BITXOR 13*/ -/*#define OPERATOR_BITAND 14*/ -#define OPERATOR_LESS 15 -#define OPERATOR_GREATER 16 -#define OPERATOR_LESSEQUAL 17 -#define OPERATOR_GREATEREQUAL 18 -/*#define OPERATOR_LSHIFT 19*/ -/*#define OPERATOR_RSHIFT 20*/ -#define OPERATOR_MULTIPLY 21 -#define OPERATOR_DIVIDE 22 -/*#define OPERATOR_MODULUS 23*/ -#define OPERATOR_INCREMENT 24 -#define OPERATOR_DECREMENT 25 -#define OPERATOR_PLUS 26 -#define OPERATOR_MINUS 27 -/*#define OPERATOR_COMPLEMENT 28*/ -#define OPERATOR_NOT 29 - -/* init declarator list */ -#define DECLARATOR_NONE 0 -#define DECLARATOR_NEXT 1 - -/* variable declaration */ -#define VARIABLE_NONE 0 -#define VARIABLE_IDENTIFIER 1 -#define VARIABLE_INITIALIZER 2 -#define VARIABLE_ARRAY_EXPLICIT 3 -#define VARIABLE_ARRAY_UNKNOWN 4 - -/* type qualifier */ -#define TYPE_QUALIFIER_NONE 0 -#define TYPE_QUALIFIER_CONST 1 -#define TYPE_QUALIFIER_ATTRIBUTE 2 -#define TYPE_QUALIFIER_VARYING 3 -#define TYPE_QUALIFIER_UNIFORM 4 -#define TYPE_QUALIFIER_FIXEDOUTPUT 5 -#define TYPE_QUALIFIER_FIXEDINPUT 6 - -/* invariant qualifier */ -#define TYPE_VARIANT 90 -#define TYPE_INVARIANT 91 - -/* centroid qualifier */ -#define TYPE_CENTER 95 -#define TYPE_CENTROID 96 - -/* layout qualifiers */ -#define LAYOUT_QUALIFIER_NONE 0 -#define LAYOUT_QUALIFIER_UPPER_LEFT 1 -#define LAYOUT_QUALIFIER_PIXEL_CENTER_INTEGER 2 - -/* type specifier */ -#define TYPE_SPECIFIER_VOID 0 -#define TYPE_SPECIFIER_BOOL 1 -#define TYPE_SPECIFIER_BVEC2 2 -#define TYPE_SPECIFIER_BVEC3 3 -#define TYPE_SPECIFIER_BVEC4 4 -#define TYPE_SPECIFIER_INT 5 -#define TYPE_SPECIFIER_IVEC2 6 -#define TYPE_SPECIFIER_IVEC3 7 -#define TYPE_SPECIFIER_IVEC4 8 -#define TYPE_SPECIFIER_FLOAT 9 -#define TYPE_SPECIFIER_VEC2 10 -#define TYPE_SPECIFIER_VEC3 11 -#define TYPE_SPECIFIER_VEC4 12 -#define TYPE_SPECIFIER_MAT2 13 -#define TYPE_SPECIFIER_MAT3 14 -#define TYPE_SPECIFIER_MAT4 15 -#define TYPE_SPECIFIER_SAMPLER1D 16 -#define TYPE_SPECIFIER_SAMPLER2D 17 -#define TYPE_SPECIFIER_SAMPLER3D 18 -#define TYPE_SPECIFIER_SAMPLERCUBE 19 -#define TYPE_SPECIFIER_SAMPLER1DSHADOW 20 -#define TYPE_SPECIFIER_SAMPLER2DSHADOW 21 -#define TYPE_SPECIFIER_SAMPLER2DRECT 22 -#define TYPE_SPECIFIER_SAMPLER2DRECTSHADOW 23 -#define TYPE_SPECIFIER_STRUCT 24 -#define TYPE_SPECIFIER_TYPENAME 25 - -/* OpenGL 2.1 */ -#define TYPE_SPECIFIER_MAT23 26 -#define TYPE_SPECIFIER_MAT32 27 -#define TYPE_SPECIFIER_MAT24 28 -#define TYPE_SPECIFIER_MAT42 29 -#define TYPE_SPECIFIER_MAT34 30 -#define TYPE_SPECIFIER_MAT43 31 - -/* GL_EXT_texture_array */ -#define TYPE_SPECIFIER_SAMPLER_1D_ARRAY 32 -#define TYPE_SPECIFIER_SAMPLER_2D_ARRAY 33 -#define TYPE_SPECIFIER_SAMPLER_1D_ARRAY_SHADOW 34 -#define TYPE_SPECIFIER_SAMPLER_2D_ARRAY_SHADOW 35 - -/* type specifier array */ -#define TYPE_SPECIFIER_NONARRAY 0 -#define TYPE_SPECIFIER_ARRAY 1 - -/* structure field */ -#define FIELD_NONE 0 -#define FIELD_NEXT 1 -#define FIELD_ARRAY 2 - -/* operation */ -#define OP_END 0 -#define OP_BLOCK_BEGIN_NO_NEW_SCOPE 1 -#define OP_BLOCK_BEGIN_NEW_SCOPE 2 -#define OP_DECLARE 3 -#define OP_ASM 4 -#define OP_BREAK 5 -#define OP_CONTINUE 6 -#define OP_DISCARD 7 -#define OP_RETURN 8 -#define OP_EXPRESSION 9 -#define OP_IF 10 -#define OP_WHILE 11 -#define OP_DO 12 -#define OP_FOR 13 -#define OP_PUSH_VOID 14 -#define OP_PUSH_BOOL 15 -#define OP_PUSH_INT 16 -#define OP_PUSH_FLOAT 17 -#define OP_PUSH_IDENTIFIER 18 -#define OP_SEQUENCE 19 -#define OP_ASSIGN 20 -#define OP_ADDASSIGN 21 -#define OP_SUBASSIGN 22 -#define OP_MULASSIGN 23 -#define OP_DIVASSIGN 24 -/*#define OP_MODASSIGN 25*/ -/*#define OP_LSHASSIGN 26*/ -/*#define OP_RSHASSIGN 27*/ -/*#define OP_ORASSIGN 28*/ -/*#define OP_XORASSIGN 29*/ -/*#define OP_ANDASSIGN 30*/ -#define OP_SELECT 31 -#define OP_LOGICALOR 32 -#define OP_LOGICALXOR 33 -#define OP_LOGICALAND 34 -/*#define OP_BITOR 35*/ -/*#define OP_BITXOR 36*/ -/*#define OP_BITAND 37*/ -#define OP_EQUAL 38 -#define OP_NOTEQUAL 39 -#define OP_LESS 40 -#define OP_GREATER 41 -#define OP_LESSEQUAL 42 -#define OP_GREATEREQUAL 43 -/*#define OP_LSHIFT 44*/ -/*#define OP_RSHIFT 45*/ -#define OP_ADD 46 -#define OP_SUBTRACT 47 -#define OP_MULTIPLY 48 -#define OP_DIVIDE 49 -/*#define OP_MODULUS 50*/ -#define OP_PREINCREMENT 51 -#define OP_PREDECREMENT 52 -#define OP_PLUS 53 -#define OP_MINUS 54 -/*#define OP_COMPLEMENT 55*/ -#define OP_NOT 56 -#define OP_SUBSCRIPT 57 -#define OP_CALL 58 -#define OP_FIELD 59 -#define OP_POSTINCREMENT 60 -#define OP_POSTDECREMENT 61 -#define OP_PRECISION 62 -#define OP_METHOD 63 - -/* parameter qualifier */ -#define PARAM_QUALIFIER_IN 0 -#define PARAM_QUALIFIER_OUT 1 -#define PARAM_QUALIFIER_INOUT 2 - -/* function parameter */ -#define PARAMETER_NONE 0 -#define PARAMETER_NEXT 1 - -/* function parameter array presence */ -#define PARAMETER_ARRAY_NOT_PRESENT 0 -#define PARAMETER_ARRAY_PRESENT 1 - - -struct parse_dict { - int _void; - int _float; - int _int; - int _bool; - int vec2; - int vec3; - int vec4; - int bvec2; - int bvec3; - int bvec4; - int ivec2; - int ivec3; - int ivec4; - int mat2; - int mat3; - int mat4; - int mat2x3; - int mat3x2; - int mat2x4; - int mat4x2; - int mat3x4; - int mat4x3; - int sampler1D; - int sampler2D; - int sampler3D; - int samplerCube; - int sampler1DShadow; - int sampler2DShadow; - int sampler2DRect; - int sampler2DRectShadow; - int sampler1DArray; - int sampler2DArray; - int sampler1DArrayShadow; - int sampler2DArrayShadow; - - int invariant; - - int centroid; - - int precision; - int lowp; - int mediump; - int highp; - - int _const; - int attribute; - int varying; - int uniform; - int __fixed_output; - int __fixed_input; - - int in; - int out; - int inout; - - int layout; - int origin_upper_left; - int pixel_center_integer; - - int _struct; - - int __constructor; - int __operator; - int ___asm; - - int _if; - int _else; - int _for; - int _while; - int _do; - - int _continue; - int _break; - int _return; - int discard; - - int _false; - int _true; - - int all; - int _GL_ARB_fragment_coord_conventions; -}; - - -struct parse_context { - struct sl_pp_context *context; - - struct parse_dict dict; - - struct sl_pp_token_info *tokens; - unsigned int tokens_read; - unsigned int tokens_cap; - - unsigned char *out_buf; - unsigned int out_cap; - - unsigned int shader_type; - unsigned int parsing_builtin; - - unsigned int fragment_coord_conventions:1; - - char error[256]; - int process_error; -}; - - -struct parse_state { - unsigned int in; - unsigned int out; -}; - - -static unsigned int -_emit(struct parse_context *ctx, - unsigned int *out, - unsigned char b) -{ - if (*out == ctx->out_cap) { - ctx->out_cap += 4096; - ctx->out_buf = (unsigned char *)realloc(ctx->out_buf, ctx->out_cap * sizeof(unsigned char)); - } - ctx->out_buf[*out] = b; - return (*out)++; -} - - -static void -_update(struct parse_context *ctx, - unsigned int out, - unsigned char b) -{ - ctx->out_buf[out] = b; -} - - -static void -_error(struct parse_context *ctx, - const char *msg) -{ - if (ctx->error[0] == '\0') { - strncpy(ctx->error, msg, sizeof(ctx->error) - 1); - ctx->error[sizeof(ctx->error) - 1] = '\0'; - } -} - - -static const struct sl_pp_token_info * -_fetch_token(struct parse_context *ctx, - unsigned int pos) -{ - if (ctx->process_error) { - return NULL; - } - - while (pos >= ctx->tokens_read) { - if (ctx->tokens_read == ctx->tokens_cap) { - ctx->tokens_cap += 1024; - ctx->tokens = realloc(ctx->tokens, - ctx->tokens_cap * sizeof(struct sl_pp_token_info)); - if (!ctx->tokens) { - _error(ctx, "out of memory"); - ctx->process_error = 1; - return NULL; - } - } - if (sl_pp_process_get(ctx->context, &ctx->tokens[ctx->tokens_read])) { - _error(ctx, sl_pp_context_error_message(ctx->context)); - ctx->process_error = 1; - return NULL; - } - switch (ctx->tokens[ctx->tokens_read].token) { - case SL_PP_COMMA: - case SL_PP_SEMICOLON: - case SL_PP_LBRACE: - case SL_PP_RBRACE: - case SL_PP_LPAREN: - case SL_PP_RPAREN: - case SL_PP_LBRACKET: - case SL_PP_RBRACKET: - case SL_PP_DOT: - case SL_PP_INCREMENT: - case SL_PP_ADDASSIGN: - case SL_PP_PLUS: - case SL_PP_DECREMENT: - case SL_PP_SUBASSIGN: - case SL_PP_MINUS: - case SL_PP_BITNOT: - case SL_PP_NOTEQUAL: - case SL_PP_NOT: - case SL_PP_MULASSIGN: - case SL_PP_STAR: - case SL_PP_DIVASSIGN: - case SL_PP_SLASH: - case SL_PP_MODASSIGN: - case SL_PP_MODULO: - case SL_PP_LSHIFTASSIGN: - case SL_PP_LSHIFT: - case SL_PP_LESSEQUAL: - case SL_PP_LESS: - case SL_PP_RSHIFTASSIGN: - case SL_PP_RSHIFT: - case SL_PP_GREATEREQUAL: - case SL_PP_GREATER: - case SL_PP_EQUAL: - case SL_PP_ASSIGN: - case SL_PP_AND: - case SL_PP_BITANDASSIGN: - case SL_PP_BITAND: - case SL_PP_XOR: - case SL_PP_BITXORASSIGN: - case SL_PP_BITXOR: - case SL_PP_OR: - case SL_PP_BITORASSIGN: - case SL_PP_BITOR: - case SL_PP_QUESTION: - case SL_PP_COLON: - case SL_PP_IDENTIFIER: - case SL_PP_UINT: - case SL_PP_FLOAT: - case SL_PP_EXTENSION_REQUIRE: - case SL_PP_EXTENSION_ENABLE: - case SL_PP_EXTENSION_WARN: - case SL_PP_EXTENSION_DISABLE: - case SL_PP_EOF: - ctx->tokens_read++; - break; - default: - ; /* no-op */ - } - } - return &ctx->tokens[pos]; -} - - -/** - * Try to parse/match a particular token. - * \return 0 for success, -1 for error. - */ -static int -_parse_token(struct parse_context *ctx, - enum sl_pp_token token, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == token) { - ps->in++; - return 0; - } - return -1; -} - - -/** - * Try to parse an identifer. - * \return 0 for success, -1 for error - */ -static int -_parse_id(struct parse_context *ctx, - int id, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_IDENTIFIER && input->data.identifier == id) { - ps->in++; - return 0; - } - return -1; -} - - -static int -_parse_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_IDENTIFIER) { - const char *cstr = sl_pp_context_cstr(ctx->context, input->data.identifier); - - do { - _emit(ctx, &ps->out, *cstr); - } while (*cstr++); - ps->in++; - return 0; - } - return -1; -} - - -static int -_parse_float(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_FLOAT) { - const char *cstr = sl_pp_context_cstr(ctx->context, input->data._float); - - _emit(ctx, &ps->out, 1); - do { - _emit(ctx, &ps->out, *cstr); - } while (*cstr++); - ps->in++; - return 0; - } - return -1; -} - - -static int -_parse_uint(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_UINT) { - const char *cstr = sl_pp_context_cstr(ctx->context, input->data._uint); - - _emit(ctx, &ps->out, 1); - do { - _emit(ctx, &ps->out, *cstr); - } while (*cstr++); - ps->in++; - return 0; - } - return -1; -} - - -/**************************************/ - - -static int -_parse_unary_expression(struct parse_context *ctx, - struct parse_state *ps); - -static int -_parse_conditional_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_constant_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_primary_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_statement(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_type_specifier(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_declaration(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_statement_list(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_assignment_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_precision(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_overriden_operator(struct parse_context *ctx, - struct parse_state *ps) -{ - unsigned int op; - - if (_parse_token(ctx, SL_PP_INCREMENT, ps) == 0) { - op = OPERATOR_INCREMENT; - } else if (_parse_token(ctx, SL_PP_ADDASSIGN, ps) == 0) { - op = OPERATOR_ADDASSIGN; - } else if (_parse_token(ctx, SL_PP_PLUS, ps) == 0) { - op = OPERATOR_PLUS; - } else if (_parse_token(ctx, SL_PP_DECREMENT, ps) == 0) { - op = OPERATOR_DECREMENT; - } else if (_parse_token(ctx, SL_PP_SUBASSIGN, ps) == 0) { - op = OPERATOR_SUBASSIGN; - } else if (_parse_token(ctx, SL_PP_MINUS, ps) == 0) { - op = OPERATOR_MINUS; - } else if (_parse_token(ctx, SL_PP_NOT, ps) == 0) { - op = OPERATOR_NOT; - } else if (_parse_token(ctx, SL_PP_MULASSIGN, ps) == 0) { - op = OPERATOR_MULASSIGN; - } else if (_parse_token(ctx, SL_PP_STAR, ps) == 0) { - op = OPERATOR_MULTIPLY; - } else if (_parse_token(ctx, SL_PP_DIVASSIGN, ps) == 0) { - op = OPERATOR_DIVASSIGN; - } else if (_parse_token(ctx, SL_PP_SLASH, ps) == 0) { - op = OPERATOR_DIVIDE; - } else if (_parse_token(ctx, SL_PP_LESSEQUAL, ps) == 0) { - op = OPERATOR_LESSEQUAL; - } else if (_parse_token(ctx, SL_PP_LESS, ps) == 0) { - op = OPERATOR_LESS; - } else if (_parse_token(ctx, SL_PP_GREATEREQUAL, ps) == 0) { - op = OPERATOR_GREATEREQUAL; - } else if (_parse_token(ctx, SL_PP_GREATER, ps) == 0) { - op = OPERATOR_GREATER; - } else if (_parse_token(ctx, SL_PP_XOR, ps) == 0) { - op = OPERATOR_LOGICALXOR; - } else { - return -1; - } - - _emit(ctx, &ps->out, op); - return 0; -} - - -static int -_parse_function_decl_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - - if (ctx->parsing_builtin && _parse_id(ctx, ctx->dict.__constructor, &p) == 0) { - _update(ctx, e, FUNCTION_CONSTRUCTOR); - *ps = p; - return 0; - } - - if (ctx->parsing_builtin && _parse_id(ctx, ctx->dict.__operator, &p) == 0) { - _update(ctx, e, FUNCTION_OPERATOR); - if (_parse_overriden_operator(ctx, &p) == 0) { - *ps = p; - return 0; - } - return -1; - } - - if (_parse_identifier(ctx, &p) == 0) { - _update(ctx, e, FUNCTION_ORDINARY); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_invariant_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict.invariant, ps)) { - return -1; - } - _emit(ctx, &ps->out, TYPE_INVARIANT); - return 0; -} - - -static int -_parse_centroid_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict.centroid, ps)) { - return -1; - } - _emit(ctx, &ps->out, TYPE_CENTROID); - return 0; -} - - -static int -_parse_layout_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict.layout, ps) == 0) { - if (!ctx->fragment_coord_conventions) { - _error(ctx, "GL_ARB_fragment_coord_conventions extension must be enabled " - "in order to use a layout qualifier"); - return -1; - } - - /* Layout qualifiers are only defined for fragment shaders, - * so do an early check. - */ - if (ctx->shader_type != 1) { - _error(ctx, "layout qualifiers are only valid for fragment shaders"); - return -1; - } - - /* start of a parenthesised list of layout qualifiers */ - - if (_parse_token(ctx, SL_PP_LPAREN, ps)) { - _error(ctx, "expected `('"); - return -1; - } - - /* parse comma-separated ID list */ - while (1) { - if (_parse_id(ctx, ctx->dict.origin_upper_left, ps) == 0) { - _emit(ctx, &ps->out, LAYOUT_QUALIFIER_UPPER_LEFT); - } - else if (_parse_id(ctx, ctx->dict.pixel_center_integer, ps) == 0) { - _emit(ctx, &ps->out, LAYOUT_QUALIFIER_PIXEL_CENTER_INTEGER); - } - else { - _error(ctx, "expected a layout qualifier name"); - return -1; - } - - if (_parse_token(ctx, SL_PP_RPAREN, ps) == 0) { - /* all done */ - break; - } - else if (_parse_token(ctx, SL_PP_COMMA, ps) == 0) { - /* another layout qualifier is coming */ - } - else { - _error(ctx, "expected `,' or `)'"); - return -1; - } - } - } - - return 0; -} - - -static int -_parse_storage_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - const struct sl_pp_token_info *input = _fetch_token(ctx, p.in); - unsigned int e = _emit(ctx, &p.out, 0); - int id; - - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict._const) { - _update(ctx, e, TYPE_QUALIFIER_CONST); - } else if (ctx->shader_type == 2 && id == ctx->dict.attribute) { - _update(ctx, e, TYPE_QUALIFIER_ATTRIBUTE); - } else if (id == ctx->dict.varying) { - _update(ctx, e, TYPE_QUALIFIER_VARYING); - } else if (id == ctx->dict.uniform) { - _update(ctx, e, TYPE_QUALIFIER_UNIFORM); - } else if (ctx->parsing_builtin && id == ctx->dict.__fixed_output) { - _update(ctx, e, TYPE_QUALIFIER_FIXEDOUTPUT); - } else if (ctx->parsing_builtin && id == ctx->dict.__fixed_input) { - _update(ctx, e, TYPE_QUALIFIER_FIXEDINPUT); - } else { - return -1; - } - _parse_token(ctx, SL_PP_IDENTIFIER, &p); - *ps = p; - return 0; -} - - -static int -_parse_struct_declarator(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_identifier(ctx, &p)) { - return -1; - } - e = _emit(ctx, &p.out, FIELD_NONE); - *ps = p; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return 0; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - _update(ctx, e, FIELD_ARRAY); - *ps = p; - return 0; -} - - -static int -_parse_struct_declarator_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_struct_declarator(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - _emit(ctx, &p.out, FIELD_NEXT); - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_struct_declarator(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_struct_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - if (_parse_struct_declarator_list(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - _emit(ctx, &p.out, FIELD_NONE); - *ps = p; - return 0; -} - - -static int -_parse_struct_declaration_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_struct_declaration(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - _emit(ctx, &p.out, FIELD_NEXT); - if (_parse_struct_declaration(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_struct_specifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict._struct, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - _emit(ctx, &p.out, '\0'); - } - if (_parse_token(ctx, SL_PP_LBRACE, &p)) { - _error(ctx, "expected `{'"); - return -1; - } - if (_parse_struct_declaration_list(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, FIELD_NONE); - *ps = p; - return 0; -} - - -static int -_parse_type_specifier_nonarray(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - const struct sl_pp_token_info *input; - int id; - - if (_parse_struct_specifier(ctx, &p) == 0) { - _update(ctx, e, TYPE_SPECIFIER_STRUCT); - *ps = p; - return 0; - } - - input = _fetch_token(ctx, p.in); - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict._void) { - _update(ctx, e, TYPE_SPECIFIER_VOID); - } else if (id == ctx->dict._float) { - _update(ctx, e, TYPE_SPECIFIER_FLOAT); - } else if (id == ctx->dict._int) { - _update(ctx, e, TYPE_SPECIFIER_INT); - } else if (id == ctx->dict._bool) { - _update(ctx, e, TYPE_SPECIFIER_BOOL); - } else if (id == ctx->dict.vec2) { - _update(ctx, e, TYPE_SPECIFIER_VEC2); - } else if (id == ctx->dict.vec3) { - _update(ctx, e, TYPE_SPECIFIER_VEC3); - } else if (id == ctx->dict.vec4) { - _update(ctx, e, TYPE_SPECIFIER_VEC4); - } else if (id == ctx->dict.bvec2) { - _update(ctx, e, TYPE_SPECIFIER_BVEC2); - } else if (id == ctx->dict.bvec3) { - _update(ctx, e, TYPE_SPECIFIER_BVEC3); - } else if (id == ctx->dict.bvec4) { - _update(ctx, e, TYPE_SPECIFIER_BVEC4); - } else if (id == ctx->dict.ivec2) { - _update(ctx, e, TYPE_SPECIFIER_IVEC2); - } else if (id == ctx->dict.ivec3) { - _update(ctx, e, TYPE_SPECIFIER_IVEC3); - } else if (id == ctx->dict.ivec4) { - _update(ctx, e, TYPE_SPECIFIER_IVEC4); - } else if (id == ctx->dict.mat2) { - _update(ctx, e, TYPE_SPECIFIER_MAT2); - } else if (id == ctx->dict.mat3) { - _update(ctx, e, TYPE_SPECIFIER_MAT3); - } else if (id == ctx->dict.mat4) { - _update(ctx, e, TYPE_SPECIFIER_MAT4); - } else if (id == ctx->dict.mat2x3) { - _update(ctx, e, TYPE_SPECIFIER_MAT23); - } else if (id == ctx->dict.mat3x2) { - _update(ctx, e, TYPE_SPECIFIER_MAT32); - } else if (id == ctx->dict.mat2x4) { - _update(ctx, e, TYPE_SPECIFIER_MAT24); - } else if (id == ctx->dict.mat4x2) { - _update(ctx, e, TYPE_SPECIFIER_MAT42); - } else if (id == ctx->dict.mat3x4) { - _update(ctx, e, TYPE_SPECIFIER_MAT34); - } else if (id == ctx->dict.mat4x3) { - _update(ctx, e, TYPE_SPECIFIER_MAT43); - } else if (id == ctx->dict.sampler1D) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER1D); - } else if (id == ctx->dict.sampler2D) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2D); - } else if (id == ctx->dict.sampler3D) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER3D); - } else if (id == ctx->dict.samplerCube) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLERCUBE); - } else if (id == ctx->dict.sampler1DShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER1DSHADOW); - } else if (id == ctx->dict.sampler2DShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2DSHADOW); - } else if (id == ctx->dict.sampler2DRect) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2DRECT); - } else if (id == ctx->dict.sampler2DRectShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2DRECTSHADOW); - } else if (id == ctx->dict.sampler1DArray) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_1D_ARRAY); - } else if (id == ctx->dict.sampler2DArray) { - /* XXX check for GL_EXT_texture_array */ - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_2D_ARRAY); - } else if (id == ctx->dict.sampler1DArrayShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_1D_ARRAY_SHADOW); - } else if (id == ctx->dict.sampler2DArrayShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_2D_ARRAY_SHADOW); - } else if (_parse_identifier(ctx, &p) == 0) { - _update(ctx, e, TYPE_SPECIFIER_TYPENAME); - *ps = p; - return 0; - } else { - return -1; - } - - _parse_token(ctx, SL_PP_IDENTIFIER, &p); - *ps = p; - return 0; -} - - -static int -_parse_type_specifier_array(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return -1; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_type_specifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_type_specifier_nonarray(ctx, &p)) { - return -1; - } - - e = _emit(ctx, &p.out, TYPE_SPECIFIER_ARRAY); - if (_parse_type_specifier_array(ctx, &p)) { - _update(ctx, e, TYPE_SPECIFIER_NONARRAY); - } - *ps = p; - return 0; -} - - -static int -_parse_fully_specified_type(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_layout_qualifier(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, LAYOUT_QUALIFIER_NONE); - - if (_parse_invariant_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_VARIANT); - } - - if (_parse_centroid_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_CENTER); - } - if (_parse_storage_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_QUALIFIER_NONE); - } - if (_parse_precision(ctx, &p)) { - _emit(ctx, &p.out, PRECISION_DEFAULT); - } - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_function_header(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_fully_specified_type(ctx, &p)) { - return -1; - } - if (_parse_function_decl_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - unsigned int e = _emit(ctx, &ps->out, PARAM_QUALIFIER_IN); - - if (_parse_id(ctx, ctx->dict.out, ps) == 0) { - _update(ctx, e, PARAM_QUALIFIER_OUT); - } else if (_parse_id(ctx, ctx->dict.inout, ps) == 0) { - _update(ctx, e, PARAM_QUALIFIER_INOUT); - } else { - _parse_id(ctx, ctx->dict.in, ps); - } - return 0; -} - - -static int -_parse_function_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - unsigned int e; - - if (_parse_identifier(ctx, ps)) { - return -1; - } - e = _emit(ctx, &ps->out, FUNCTION_CALL_NONARRAY); - - p = *ps; - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return 0; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - _update(ctx, e, FUNCTION_CALL_ARRAY); - *ps = p; - return 0; -} - - -static int -_parse_function_call_header(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_assign_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int op; - - if (_parse_unary_expression(ctx, &p)) { - return -1; - } - - if (_parse_token(ctx, SL_PP_ASSIGN, &p) == 0) { - op = OP_ASSIGN; - } else if (_parse_token(ctx, SL_PP_MULASSIGN, &p) == 0) { - op = OP_MULASSIGN; - } else if (_parse_token(ctx, SL_PP_DIVASSIGN, &p) == 0) { - op = OP_DIVASSIGN; - } else if (_parse_token(ctx, SL_PP_ADDASSIGN, &p) == 0) { - op = OP_ADDASSIGN; - } else if (_parse_token(ctx, SL_PP_SUBASSIGN, &p) == 0) { - op = OP_SUBASSIGN; - } else { - return -1; - } - - if (_parse_assignment_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, op); - - *ps = p; - return 0; -} - - -static int -_parse_assignment_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_assign_expression(ctx, ps) == 0) { - return 0; - } - - if (_parse_conditional_expression(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_function_call_header_with_parameters(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_call_header(ctx, &p)) { - return -1; - } - if (_parse_assignment_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_assignment_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_END); - } -} - - -static int -_parse_function_call_header_no_parameters(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_function_call_header(ctx, ps)) { - return -1; - } - _parse_id(ctx, ctx->dict._void, ps); - return 0; -} - - -static int -_parse_function_call_generic(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_call_header_with_parameters(ctx, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - - p = *ps; - if (_parse_function_call_header_no_parameters(ctx, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - - return -1; -} - - -static int -_parse_method_call(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_METHOD); - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_DOT, &p)) { - return -1; - } - if (_parse_function_call_generic(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_regular_function_call(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_CALL); - if (_parse_function_call_generic(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_function_call(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_regular_function_call(ctx, ps) == 0) { - return 0; - } - - if (_parse_method_call(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_assignment_expression(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_assignment_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_SEQUENCE); - } -} - - -static int -_parse_postfix_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - - if (_parse_function_call(ctx, ps)) { - if (_parse_primary_expression(ctx, ps)) { - return -1; - } - } - - for (p = *ps;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_INCREMENT, &p) == 0) { - _emit(ctx, &p.out, OP_POSTINCREMENT); - } else if (_parse_token(ctx, SL_PP_DECREMENT, &p) == 0) { - _emit(ctx, &p.out, OP_POSTDECREMENT); - } else if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { - if (_parse_expression(ctx, &p)) { - _error(ctx, "expected an integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - _emit(ctx, &p.out, OP_SUBSCRIPT); - } else if (_parse_token(ctx, SL_PP_DOT, &p) == 0) { - _emit(ctx, &p.out, OP_FIELD); - if (_parse_identifier(ctx, &p)) { - return 0; - } - } else { - return 0; - } - } -} - - -static int -_parse_unary_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - unsigned int op; - - if (_parse_postfix_expression(ctx, ps) == 0) { - return 0; - } - - p = *ps; - if (_parse_token(ctx, SL_PP_INCREMENT, &p) == 0) { - op = OP_PREINCREMENT; - } else if (_parse_token(ctx, SL_PP_DECREMENT, &p) == 0) { - op = OP_PREDECREMENT; - } else if (_parse_token(ctx, SL_PP_PLUS, &p) == 0) { - op = OP_PLUS; - } else if (_parse_token(ctx, SL_PP_MINUS, &p) == 0) { - op = OP_MINUS; - } else if (_parse_token(ctx, SL_PP_NOT, &p) == 0) { - op = OP_NOT; - } else { - return -1; - } - - if (_parse_unary_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, op); - *ps = p; - return 0; -} - - -static int -_parse_multiplicative_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_unary_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_STAR, &p) == 0) { - op = OP_MULTIPLY; - } else if (_parse_token(ctx, SL_PP_SLASH, &p) == 0) { - op = OP_DIVIDE; - } else { - return 0; - } - if (_parse_unary_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_additive_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_multiplicative_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_PLUS, &p) == 0) { - op = OP_ADD; - } else if (_parse_token(ctx, SL_PP_MINUS, &p) == 0) { - op = OP_SUBTRACT; - } else { - return 0; - } - if (_parse_multiplicative_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_relational_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_additive_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_LESS, &p) == 0) { - op = OP_LESS; - } else if (_parse_token(ctx, SL_PP_GREATER, &p) == 0) { - op = OP_GREATER; - } else if (_parse_token(ctx, SL_PP_LESSEQUAL, &p) == 0) { - op = OP_LESSEQUAL; - } else if (_parse_token(ctx, SL_PP_GREATEREQUAL, &p) == 0) { - op = OP_GREATEREQUAL; - } else { - return 0; - } - if (_parse_additive_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_equality_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_relational_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_EQUAL, &p) == 0) { - op = OP_EQUAL; - } else if (_parse_token(ctx, SL_PP_NOTEQUAL, &p) == 0) { - op = OP_NOTEQUAL; - } else { - return 0; - } - if (_parse_relational_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_logical_and_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_equality_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_AND, &p)) { - return 0; - } - if (_parse_equality_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_LOGICALAND); - } -} - - -static int -_parse_logical_xor_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_logical_and_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_XOR, &p)) { - return 0; - } - if (_parse_logical_and_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_LOGICALXOR); - } -} - - -static int -_parse_logical_or_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_logical_xor_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_OR, &p)) { - return 0; - } - if (_parse_logical_xor_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_LOGICALOR); - } -} - - -static int -_parse_conditional_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_logical_or_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_QUESTION, &p)) { - return 0; - } - if (_parse_expression(ctx, &p)) { - return 0; - } - if (_parse_token(ctx, SL_PP_COLON, &p)) { - return 0; - } - if (_parse_conditional_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_SELECT); - } -} - - -static int -_parse_constant_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_conditional_expression(ctx, ps)) { - return -1; - } - _emit(ctx, &ps->out, OP_END); - return 0; -} - - -static int -_parse_parameter_declarator_array(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return -1; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_declarator(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - return -1; - } - e = _emit(ctx, &p.out, PARAMETER_ARRAY_PRESENT); - if (_parse_parameter_declarator_array(ctx, &p)) { - _update(ctx, e, PARAMETER_ARRAY_NOT_PRESENT); - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_type_specifier_array(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return -1; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_type_specifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, '\0'); - - e = _emit(ctx, &p.out, PARAMETER_ARRAY_PRESENT); - if (_parse_parameter_type_specifier_array(ctx, &p)) { - _update(ctx, e, PARAMETER_ARRAY_NOT_PRESENT); - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, PARAMETER_NEXT); - - (void) e; - - if (_parse_storage_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_QUALIFIER_NONE); - } - _parse_parameter_qualifier(ctx, &p); - if (_parse_precision(ctx, &p)) { - _emit(ctx, &p.out, PRECISION_DEFAULT); - } - if (_parse_parameter_declarator(ctx, &p) == 0) { - *ps = p; - return 0; - } - if (_parse_parameter_type_specifier(ctx, &p) == 0) { - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_function_header_with_parameters(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_header(ctx, &p)) { - return -1; - } - if (_parse_parameter_declaration(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_parameter_declaration(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_function_declarator(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_function_header_with_parameters(ctx, ps) == 0) { - return 0; - } - - if (_parse_function_header(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_function_prototype(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_header(ctx, &p) == 0) { - if (_parse_id(ctx, ctx->dict._void, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - _emit(ctx, &p.out, PARAMETER_NONE); - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - } - - p = *ps; - if (_parse_function_declarator(ctx, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - _emit(ctx, &p.out, PARAMETER_NONE); - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - - return -1; -} - - -static int -_parse_precision(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - int id; - unsigned int precision; - - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict.lowp) { - precision = PRECISION_LOW; - } else if (id == ctx->dict.mediump) { - precision = PRECISION_MEDIUM; - } else if (id == ctx->dict.highp) { - precision = PRECISION_HIGH; - } else { - return -1; - } - - _parse_token(ctx, SL_PP_IDENTIFIER, ps); - _emit(ctx, &ps->out, precision); - return 0; -} - - -static int -_parse_prectype(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - int id; - unsigned int type; - - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict._int) { - type = TYPE_SPECIFIER_INT; - } else if (id == ctx->dict._float) { - type = TYPE_SPECIFIER_FLOAT; - } else if (id == ctx->dict.sampler1D) { - type = TYPE_SPECIFIER_SAMPLER1D; - } else if (id == ctx->dict.sampler2D) { - type = TYPE_SPECIFIER_SAMPLER2D; - } else if (id == ctx->dict.sampler3D) { - type = TYPE_SPECIFIER_SAMPLER3D; - } else if (id == ctx->dict.samplerCube) { - type = TYPE_SPECIFIER_SAMPLERCUBE; - } else if (id == ctx->dict.sampler1DShadow) { - type = TYPE_SPECIFIER_SAMPLER1DSHADOW; - } else if (id == ctx->dict.sampler2DShadow) { - type = TYPE_SPECIFIER_SAMPLER2DSHADOW; - } else if (id == ctx->dict.sampler2DRect) { - type = TYPE_SPECIFIER_SAMPLER2DRECT; - } else if (id == ctx->dict.sampler2DRectShadow) { - type = TYPE_SPECIFIER_SAMPLER2DRECTSHADOW; - } else if (id == ctx->dict.sampler1DArray) { - type = TYPE_SPECIFIER_SAMPLER_1D_ARRAY; - } else if (id == ctx->dict.sampler2DArray) { - type = TYPE_SPECIFIER_SAMPLER_2D_ARRAY; - } else if (id == ctx->dict.sampler1DArrayShadow) { - type = TYPE_SPECIFIER_SAMPLER_1D_ARRAY_SHADOW; - } else if (id == ctx->dict.sampler2DArrayShadow) { - type = TYPE_SPECIFIER_SAMPLER_2D_ARRAY_SHADOW; - } else { - return -1; - } - - _parse_token(ctx, SL_PP_IDENTIFIER, ps); - _emit(ctx, &ps->out, type); - return 0; -} - - -static int -_parse_precision_stmt(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict.precision, &p)) { - return -1; - } - if (_parse_precision(ctx, &p)) { - return -1; - } - if (_parse_prectype(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_floatconstant(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_PUSH_FLOAT); - if (_parse_float(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_intconstant(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_PUSH_INT); - if (_parse_uint(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_boolconstant(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict._false, ps) == 0) { - _emit(ctx, &ps->out, OP_PUSH_BOOL); - _emit(ctx, &ps->out, 2); /* radix */ - _emit(ctx, &ps->out, '0'); - _emit(ctx, &ps->out, '\0'); - return 0; - } - - if (_parse_id(ctx, ctx->dict._true, ps) == 0) { - _emit(ctx, &ps->out, OP_PUSH_BOOL); - _emit(ctx, &ps->out, 2); /* radix */ - _emit(ctx, &ps->out, '1'); - _emit(ctx, &ps->out, '\0'); - return 0; - } - - return -1; -} - - -static int -_parse_variable_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_PUSH_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_primary_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - - if (_parse_floatconstant(ctx, ps) == 0) { - return 0; - } - if (_parse_boolconstant(ctx, ps) == 0) { - return 0; - } - if (_parse_intconstant(ctx, ps) == 0) { - return 0; - } - if (_parse_variable_identifier(ctx, ps) == 0) { - return 0; - } - - p = *ps; - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - return -1; - } - if (_parse_expression(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - return -1; - } - - *ps = p; - return 0; -} - - -static int -_parse_asm_argument(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_variable_identifier(ctx, ps) == 0) { - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_DOT, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_FIELD); - if (_parse_identifier(ctx, &p)) { - return 0; - } - *ps = p; - return 0; - } - - if (_parse_floatconstant(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_asm_arguments(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_asm_argument(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_asm_argument(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_END); - } -} - - -static int -_parse_asm_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict.___asm, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_asm_arguments(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_selection_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_IF); - if (_parse_id(ctx, ctx->dict._if, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_expression(ctx, &p)) { - _error(ctx, "expected an expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - _emit(ctx, &p.out, OP_END); - if (_parse_statement(ctx, &p)) { - return -1; - } - - *ps = p; - if (_parse_id(ctx, ctx->dict._else, &p) == 0) { - if (_parse_statement(ctx, &p) == 0) { - *ps = p; - return 0; - } - } - - _emit(ctx, &ps->out, OP_EXPRESSION); - _emit(ctx, &ps->out, OP_PUSH_VOID); - _emit(ctx, &ps->out, OP_END); - return 0; -} - - -static int -_parse_expression_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_expression(ctx, &p)) { - _emit(ctx, &p.out, OP_PUSH_VOID); - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_for_init_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, OP_EXPRESSION); - - if (_parse_expression_statement(ctx, &p) == 0) { - *ps = p; - return 0; - } - - if (_parse_declaration(ctx, &p) == 0) { - _update(ctx, e, OP_DECLARE); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_initializer(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_assignment_expression(ctx, ps) == 0) { - _emit(ctx, &ps->out, OP_END); - return 0; - } - return -1; -} - - -static int -_parse_condition_initializer(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_DECLARE); - _emit(ctx, &p.out, DECLARATION_INIT_DECLARATOR_LIST); - if (_parse_fully_specified_type(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, VARIABLE_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_ASSIGN, &p)) { - _error(ctx, "expected `='"); - return -1; - } - _emit(ctx, &p.out, VARIABLE_INITIALIZER); - if (_parse_initializer(ctx, &p)) { - _error(ctx, "expected an initialiser"); - return -1; - } - _emit(ctx, &p.out, DECLARATOR_NONE); - *ps = p; - return 0; -} - - -static int -_parse_condition(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - - if (_parse_condition_initializer(ctx, ps) == 0) { - return 0; - } - - p = *ps; - _emit(ctx, &p.out, OP_EXPRESSION); - if (_parse_expression(ctx, &p) == 0) { - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_for_rest_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_condition(ctx, &p)) { - _emit(ctx, &p.out, OP_EXPRESSION); - _emit(ctx, &p.out, OP_PUSH_BOOL); - _emit(ctx, &p.out, 2); - _emit(ctx, &p.out, '1'); - _emit(ctx, &p.out, '\0'); - _emit(ctx, &p.out, OP_END); - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - if (_parse_expression(ctx, &p)) { - _emit(ctx, &p.out, OP_PUSH_VOID); - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_iteration_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict._while, &p) == 0) { - _emit(ctx, &p.out, OP_WHILE); - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_condition(ctx, &p)) { - _error(ctx, "expected an expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - if (_parse_statement(ctx, &p)) { - return -1; - } - *ps = p; - return 0; - } - - if (_parse_id(ctx, ctx->dict._do, &p) == 0) { - _emit(ctx, &p.out, OP_DO); - if (_parse_statement(ctx, &p)) { - return -1; - } - if (_parse_id(ctx, ctx->dict._while, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_expression(ctx, &p)) { - _error(ctx, "expected an expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - _emit(ctx, &p.out, OP_END); - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - _error(ctx, "expected `;'"); - return -1; - } - *ps = p; - return 0; - } - - if (_parse_id(ctx, ctx->dict._for, &p) == 0) { - _emit(ctx, &p.out, OP_FOR); - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_for_init_statement(ctx, &p)) { - return -1; - } - if (_parse_for_rest_statement(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - if (_parse_statement(ctx, &p)) { - return -1; - } - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_jump_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - - if (_parse_id(ctx, ctx->dict._continue, &p) == 0) { - _update(ctx, e, OP_CONTINUE); - } else if (_parse_id(ctx, ctx->dict._break, &p) == 0) { - _update(ctx, e, OP_BREAK); - } else if (_parse_id(ctx, ctx->dict._return, &p) == 0) { - _update(ctx, e, OP_RETURN); - if (_parse_expression(ctx, &p)) { - _emit(ctx, &p.out, OP_PUSH_VOID); - } - _emit(ctx, &p.out, OP_END); - } else if (ctx->shader_type == 1 && _parse_id(ctx, ctx->dict.discard, &p) == 0) { - _update(ctx, e, OP_DISCARD); - } else { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_simple_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - unsigned int e; - - if (_parse_selection_statement(ctx, ps) == 0) { - return 0; - } - - if (_parse_iteration_statement(ctx, ps) == 0) { - return 0; - } - - if (_parse_jump_statement(ctx, ps) == 0) { - return 0; - } - - p = *ps; - e = _emit(ctx, &p.out, OP_EXPRESSION); - if (_parse_expression_statement(ctx, &p) == 0) { - *ps = p; - return 0; - } - - if (_parse_precision_stmt(ctx, &p) == 0) { - _update(ctx, e, OP_PRECISION); - *ps = p; - return 0; - } - - if (ctx->parsing_builtin && _parse_asm_statement(ctx, &p) == 0) { - _update(ctx, e, OP_ASM); - *ps = p; - return 0; - } - - if (_parse_declaration(ctx, &p) == 0) { - _update(ctx, e, OP_DECLARE); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_compound_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_BLOCK_BEGIN_NEW_SCOPE); - _parse_statement_list(ctx, &p); - if (_parse_token(ctx, SL_PP_RBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_compound_statement(ctx, ps) == 0) { - return 0; - } - - if (_parse_simple_statement(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_statement_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_statement(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - if (_parse_statement(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_compound_statement_no_new_scope(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_BLOCK_BEGIN_NO_NEW_SCOPE); - _parse_statement_list(ctx, &p); - if (_parse_token(ctx, SL_PP_RBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_function_definition(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_prototype(ctx, &p)) { - return -1; - } - if (_parse_compound_statement_no_new_scope(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_invariant_stmt(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict.invariant, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_single_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_fully_specified_type(ctx, &p)) { - return -1; - } - - e = _emit(ctx, &p.out, VARIABLE_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - _update(ctx, e, VARIABLE_NONE); - *ps = p; - return 0; - } - - e = _emit(ctx, &p.out, VARIABLE_NONE); - *ps = p; - - if (_parse_token(ctx, SL_PP_ASSIGN, &p) == 0) { - _update(ctx, e, VARIABLE_INITIALIZER); - if (_parse_initializer(ctx, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected an initialiser"); - return -1; - } - p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { - if (_parse_constant_expression(ctx, &p)) { - _update(ctx, e, VARIABLE_ARRAY_UNKNOWN); - } else { - _update(ctx, e, VARIABLE_ARRAY_EXPLICIT); - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected `]'"); - return -1; - } - return 0; -} - - -static int -_parse_init_declarator_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_single_declaration(ctx, &p)) { - return -1; - } - - for (;;) { - unsigned int e; - - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - break; - } - _emit(ctx, &p.out, DECLARATOR_NEXT); - _emit(ctx, &p.out, VARIABLE_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - break; - } - - e = _emit(ctx, &p.out, VARIABLE_NONE); - *ps = p; - - if (_parse_token(ctx, SL_PP_ASSIGN, &p) == 0) { - if (_parse_initializer(ctx, &p) == 0) { - _update(ctx, e, VARIABLE_INITIALIZER); - *ps = p; - continue; - } - _error(ctx, "expected an initialiser"); - break; - } - p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { - unsigned int arr; - - if (_parse_constant_expression(ctx, &p)) { - arr = VARIABLE_ARRAY_UNKNOWN; - } else { - arr = VARIABLE_ARRAY_EXPLICIT; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p) == 0) { - _update(ctx, e, arr); - *ps = p; - continue; - } - _error(ctx, "expected `]'"); - break; - } - p = *ps; - } - - _emit(ctx, &ps->out, DECLARATOR_NONE); - return 0; -} - - -static int -_parse_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, DECLARATION_FUNCTION_PROTOTYPE); - - if (_parse_function_prototype(ctx, &p)) { - if (_parse_init_declarator_list(ctx, &p)) { - return -1; - } - _update(ctx, e, DECLARATION_INIT_DECLARATOR_LIST); - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - _error(ctx, "expected `;'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_external_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - - if (_parse_precision_stmt(ctx, &p) == 0) { - _update(ctx, e, DEFAULT_PRECISION); - *ps = p; - return 0; - } - - if (_parse_function_definition(ctx, &p) == 0) { - _update(ctx, e, EXTERNAL_FUNCTION_DEFINITION); - *ps = p; - return 0; - } - - if (_parse_invariant_stmt(ctx, &p) == 0) { - _update(ctx, e, INVARIANT_STMT); - *ps = p; - return 0; - } - - if (_parse_declaration(ctx, &p) == 0) { - _update(ctx, e, EXTERNAL_DECLARATION); - *ps = p; - return 0; - } - - _error(ctx, "expected an identifier"); - return -1; -} - - -static int -_parse_extensions(struct parse_context *ctx, - struct parse_state *ps) -{ - for (;;) { - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - unsigned int enable; - - if (!input) { - return -1; - } - - switch (input->token) { - case SL_PP_EXTENSION_REQUIRE: - case SL_PP_EXTENSION_ENABLE: - case SL_PP_EXTENSION_WARN: - enable = 1; - break; - case SL_PP_EXTENSION_DISABLE: - enable = 0; - break; - default: - return 0; - } - - ps->in++; - if (input->data.extension == ctx->dict.all) { - ctx->fragment_coord_conventions = enable; - } - else if (input->data.extension == ctx->dict._GL_ARB_fragment_coord_conventions) { - ctx->fragment_coord_conventions = enable; - } - } -} - - -static int -_parse_translation_unit(struct parse_context *ctx, - struct parse_state *ps) -{ - _emit(ctx, &ps->out, REVISION); - if (_parse_extensions(ctx, ps)) { - return -1; - } - if (_parse_external_declaration(ctx, ps)) { - return -1; - } - for (;;) { - if (_parse_extensions(ctx, ps)) { - return -1; - } - if (_parse_external_declaration(ctx, ps)) { - break; - } - } - _emit(ctx, &ps->out, EXTERNAL_NULL); - if (_parse_token(ctx, SL_PP_EOF, ps)) { - return -1; - } - return 0; -} - - -#define ADD_NAME_STR(CTX, NAME, STR)\ - do {\ - (CTX).dict.NAME = sl_pp_context_add_unique_str((CTX).context, (STR));\ - if ((CTX).dict.NAME == -1) {\ - return -1;\ - }\ - } while (0) - -#define ADD_NAME(CTX, NAME) ADD_NAME_STR(CTX, NAME, #NAME) - - -int -sl_cl_compile(struct sl_pp_context *context, - unsigned int shader_type, - unsigned int parsing_builtin, - unsigned char **output, - unsigned int *cboutput, - char *error, - unsigned int cberror) -{ - struct parse_context ctx; - struct parse_state ps; - - ctx.context = context; - - ADD_NAME_STR(ctx, _void, "void"); - ADD_NAME_STR(ctx, _float, "float"); - ADD_NAME_STR(ctx, _int, "int"); - ADD_NAME_STR(ctx, _bool, "bool"); - ADD_NAME(ctx, vec2); - ADD_NAME(ctx, vec3); - ADD_NAME(ctx, vec4); - ADD_NAME(ctx, bvec2); - ADD_NAME(ctx, bvec3); - ADD_NAME(ctx, bvec4); - ADD_NAME(ctx, ivec2); - ADD_NAME(ctx, ivec3); - ADD_NAME(ctx, ivec4); - ADD_NAME(ctx, mat2); - ADD_NAME(ctx, mat3); - ADD_NAME(ctx, mat4); - ADD_NAME(ctx, mat2x3); - ADD_NAME(ctx, mat3x2); - ADD_NAME(ctx, mat2x4); - ADD_NAME(ctx, mat4x2); - ADD_NAME(ctx, mat3x4); - ADD_NAME(ctx, mat4x3); - ADD_NAME(ctx, sampler1D); - ADD_NAME(ctx, sampler2D); - ADD_NAME(ctx, sampler3D); - ADD_NAME(ctx, samplerCube); - ADD_NAME(ctx, sampler1DShadow); - ADD_NAME(ctx, sampler2DShadow); - ADD_NAME(ctx, sampler2DRect); - ADD_NAME(ctx, sampler2DRectShadow); - ADD_NAME(ctx, sampler1DArray); - ADD_NAME(ctx, sampler2DArray); - ADD_NAME(ctx, sampler1DArrayShadow); - ADD_NAME(ctx, sampler2DArrayShadow); - - ADD_NAME(ctx, invariant); - - ADD_NAME(ctx, centroid); - - ADD_NAME(ctx, precision); - ADD_NAME(ctx, lowp); - ADD_NAME(ctx, mediump); - ADD_NAME(ctx, highp); - - ADD_NAME_STR(ctx, _const, "const"); - ADD_NAME(ctx, attribute); - ADD_NAME(ctx, varying); - ADD_NAME(ctx, uniform); - ADD_NAME(ctx, __fixed_output); - ADD_NAME(ctx, __fixed_input); - - ADD_NAME(ctx, in); - ADD_NAME(ctx, out); - ADD_NAME(ctx, inout); - - ADD_NAME(ctx, layout); - ADD_NAME(ctx, origin_upper_left); - ADD_NAME(ctx, pixel_center_integer); - - ADD_NAME_STR(ctx, _struct, "struct"); - - ADD_NAME(ctx, __constructor); - ADD_NAME(ctx, __operator); - ADD_NAME_STR(ctx, ___asm, "__asm"); - - ADD_NAME_STR(ctx, _if, "if"); - ADD_NAME_STR(ctx, _else, "else"); - ADD_NAME_STR(ctx, _for, "for"); - ADD_NAME_STR(ctx, _while, "while"); - ADD_NAME_STR(ctx, _do, "do"); - - ADD_NAME_STR(ctx, _continue, "continue"); - ADD_NAME_STR(ctx, _break, "break"); - ADD_NAME_STR(ctx, _return, "return"); - ADD_NAME(ctx, discard); - - ADD_NAME_STR(ctx, _false, "false"); - ADD_NAME_STR(ctx, _true, "true"); - - ADD_NAME(ctx, all); - ADD_NAME_STR(ctx, _GL_ARB_fragment_coord_conventions, "GL_ARB_fragment_coord_conventions"); - - ctx.out_buf = NULL; - ctx.out_cap = 0; - - ctx.shader_type = shader_type; - ctx.parsing_builtin = 1; - - ctx.fragment_coord_conventions = 0; - - ctx.error[0] = '\0'; - ctx.process_error = 0; - - ctx.tokens_cap = 1024; - ctx.tokens_read = 0; - ctx.tokens = malloc(ctx.tokens_cap * sizeof(struct sl_pp_token_info)); - if (!ctx.tokens) { - strncpy(error, "out of memory", cberror - 1); - error[cberror - 1] = '\0'; - return -1; - } - - ps.in = 0; - ps.out = 0; - - if (_parse_translation_unit(&ctx, &ps)) { - strncpy(error, ctx.error, cberror); - free(ctx.tokens); - return -1; - } - - *output = ctx.out_buf; - *cboutput = ps.out; - free(ctx.tokens); - return 0; -} diff --git a/mesalib/src/glsl/cl/sl_cl_parse.h b/mesalib/src/glsl/cl/sl_cl_parse.h deleted file mode 100644 index dd5791d59..000000000 --- a/mesalib/src/glsl/cl/sl_cl_parse.h +++ /dev/null @@ -1,40 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_CL_PARSE_H -#define SL_CL_PARSE_H - -int -sl_cl_compile(struct sl_pp_context *context, - unsigned int shader_type, - unsigned int parsing_builtin, - unsigned char **output, - unsigned int *cboutput, - char *error, - unsigned int cberror); - -#endif /* SL_CL_PARSE_H */ diff --git a/mesalib/src/glsl/glcpp/README b/mesalib/src/glsl/glcpp/README new file mode 100644 index 000000000..0b5ef508c --- /dev/null +++ b/mesalib/src/glsl/glcpp/README @@ -0,0 +1,32 @@ +glcpp -- GLSL "C" preprocessor + +This is a simple preprocessor designed to provide the preprocessing +needs of the GLSL language. The requirements for this preprocessor are +specified in the GLSL 1.30 specification availble from: + +http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.30.10.pdf + +This specification is not precise on some semantics, (for example, +#define and #if), defining these merely "as is standard for C++ +preprocessors". To fill in these details, I've been using a draft of +the C99 standard as available from: + +http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf + +Any downstream compiler accepting output from glcpp should be prepared +to encounter and deal with the following preprocessor macros: + + #line + #pragma + #extension + +All other macros will be handles according to the GLSL specification +and will not appear in the output. + +Known limitations +----------------- +The __LINE__ and __FILE__ macros are not yet supported. + +A file that ends with a function-like macro name as the last +non-whitespace token will result in a parse error, (where it should be +passed through as is).
\ No newline at end of file diff --git a/mesalib/src/glsl/glcpp/glcpp-lex.c b/mesalib/src/glsl/glcpp/glcpp-lex.c new file mode 100644 index 000000000..0f99ea1bb --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp-lex.c @@ -0,0 +1,2691 @@ +#line 2 "glcpp/glcpp-lex.c" + +#line 4 "glcpp/glcpp-lex.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* An opaque pointer. */ +#ifndef YY_TYPEDEF_YY_SCANNER_T +#define YY_TYPEDEF_YY_SCANNER_T +typedef void* yyscan_t; +#endif + +/* For convenience, these vars (plus the bison vars far below) + are macros in the reentrant scanner. */ +#define yyin yyg->yyin_r +#define yyout yyg->yyout_r +#define yyextra yyg->yyextra_r +#define yyleng yyg->yyleng_r +#define yytext yyg->yytext_r +#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) +#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) +#define yy_flex_debug yyg->yy_flex_debug_r + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yyg->yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yyg->yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE glcpp_restart(yyin ,yyscanner ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else +#define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = yyg->yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via glcpp_restart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ + ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] + +void glcpp_restart (FILE *input_file ,yyscan_t yyscanner ); +void glcpp__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +YY_BUFFER_STATE glcpp__create_buffer (FILE *file,int size ,yyscan_t yyscanner ); +void glcpp__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void glcpp__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void glcpp_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +void glcpp_pop_buffer_state (yyscan_t yyscanner ); + +static void glcpp_ensure_buffer_stack (yyscan_t yyscanner ); +static void glcpp__load_buffer_state (yyscan_t yyscanner ); +static void glcpp__init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); + +#define YY_FLUSH_BUFFER glcpp__flush_buffer(YY_CURRENT_BUFFER ,yyscanner) + +YY_BUFFER_STATE glcpp__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); +YY_BUFFER_STATE glcpp__scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); +YY_BUFFER_STATE glcpp__scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); + +void *glcpp_alloc (yy_size_t ,yyscan_t yyscanner ); +void *glcpp_realloc (void *,yy_size_t ,yyscan_t yyscanner ); +void glcpp_free (void * ,yyscan_t yyscanner ); + +#define yy_new_buffer glcpp__create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + glcpp_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + glcpp__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + glcpp_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + glcpp__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define glcpp_wrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +typedef int yy_state_type; + +#define yytext_ptr yytext_r + +static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); +static int yy_get_next_buffer (yyscan_t yyscanner ); +static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yyg->yytext_ptr = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + yyg->yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yyg->yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 43 +#define YY_END_OF_BUFFER 44 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_acclist[137] = + { 0, + 3, 3, 44, 39, 43, 40, 43, 41, 43, 43, + 38, 43, 43, 38, 43, 38, 43, 38, 43, 25, + 39, 43, 24, 39, 43, 38, 43, 38, 43, 38, + 43, 37, 39, 43, 37, 39, 43, 38, 43, 40, + 43, 23, 43, 43, 3, 43, 4, 43, 5, 43, + 42, 43, 39, 18, 40, 32, 35, 33, 2, 1, + 25, 39, 25, 39, 39, 24, 39, 24, 39, 27, + 29, 31, 30, 28, 37, 39, 37, 39, 34, 40, + 23, 23, 3, 4, 5, 6, 5, 7, 1, 26, + 39, 37, 39,16398, 26, 39, 37, 39, 18, 37, + + 39,16399,16400, 8206, 18, 8206, 37, 39, 8207, 18, + 8208, 18,16401, 19,16396, 22, 36, 37, 39, 21, + 8209, 18, 19, 8204, 18,16397,16404, 8205, 18, 11, + 18, 9, 8, 8212, 10, 18 + } ; + +static yyconst flex_int16_t yy_accept[164] = + { 0, + 1, 1, 1, 1, 1, 2, 3, 3, 3, 4, + 6, 8, 10, 11, 13, 14, 16, 18, 20, 23, + 26, 28, 30, 32, 35, 38, 40, 42, 44, 45, + 47, 49, 51, 53, 54, 54, 55, 56, 57, 58, + 59, 60, 61, 63, 65, 66, 68, 70, 71, 72, + 73, 74, 75, 77, 79, 80, 81, 82, 83, 83, + 83, 83, 83, 83, 83, 83, 84, 85, 86, 87, + 88, 89, 90, 92, 94, 94, 94, 94, 94, 94, + 95, 95, 95, 95, 95, 97, 99, 99, 99, 99, + 99, 99, 99, 99, 100, 100, 100, 100, 100, 100, + + 100, 102, 102, 103, 104, 104, 104, 104, 104, 106, + 106, 107, 107, 107, 107, 107, 107, 107, 109, 109, + 109, 111, 111, 113, 114, 115, 115, 116, 116, 116, + 116, 117, 117, 120, 121, 121, 123, 124, 124, 124, + 126, 127, 127, 127, 127, 128, 128, 128, 130, 130, + 132, 132, 133, 134, 134, 134, 134, 135, 135, 135, + 137, 137, 137 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, + 7, 10, 7, 7, 7, 7, 11, 12, 13, 13, + 13, 13, 13, 13, 13, 14, 14, 1, 7, 15, + 16, 17, 1, 1, 18, 18, 18, 18, 18, 18, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 20, 19, 19, 21, 19, 19, + 7, 1, 7, 7, 19, 1, 22, 18, 18, 23, + + 24, 25, 26, 19, 27, 19, 19, 28, 29, 30, + 31, 32, 19, 33, 34, 35, 36, 37, 19, 38, + 19, 19, 7, 39, 7, 7, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[40] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int16_t yy_base[182] = + { 0, + 0, 38, 0, 0, 38, 39, 499, 498, 500, 48, + 43, 552, 496, 44, 63, 495, 59, 65, 87, 125, + 58, 67, 68, 164, 203, 40, 75, 241, 552, 494, + 552, 140, 552, 140, 493, 552, 144, 492, 491, 487, + 486, 485, 156, 179, 267, 0, 209, 472, 471, 470, + 469, 468, 446, 124, 466, 153, 462, 458, 154, 198, + 159, 155, 183, 160, 193, 460, 552, 222, 552, 227, + 552, 459, 204, 161, 231, 232, 238, 243, 236, 303, + 245, 180, 247, 249, 281, 56, 257, 271, 248, 259, + 252, 264, 455, 454, 297, 299, 312, 313, 320, 294, + + 407, 295, 427, 426, 321, 296, 324, 425, 552, 424, + 552, 327, 329, 195, 328, 331, 332, 230, 334, 378, + 552, 377, 552, 371, 370, 335, 365, 337, 358, 342, + 360, 344, 326, 255, 340, 552, 260, 338, 246, 552, + 197, 364, 192, 352, 382, 348, 186, 552, 420, 552, + 423, 184, 141, 437, 421, 447, 79, 476, 346, 552, + 453, 552, 515, 517, 519, 521, 523, 525, 71, 527, + 529, 531, 533, 535, 537, 539, 541, 543, 545, 547, + 549 + } ; + +static yyconst flex_int16_t yy_def[182] = + { 0, + 162, 1, 163, 163, 164, 164, 165, 165, 162, 166, + 167, 162, 167, 167, 167, 167, 167, 167, 162, 166, + 167, 167, 167, 168, 168, 167, 167, 167, 162, 169, + 162, 170, 162, 20, 167, 162, 167, 167, 167, 167, + 167, 171, 19, 20, 20, 20, 20, 167, 167, 167, + 167, 167, 25, 25, 167, 167, 28, 28, 167, 167, + 167, 167, 167, 167, 167, 169, 162, 170, 162, 170, + 162, 171, 45, 25, 167, 167, 167, 167, 167, 167, + 167, 167, 167, 167, 20, 25, 167, 167, 167, 167, + 167, 167, 172, 173, 167, 167, 167, 167, 167, 167, + + 25, 167, 174, 175, 167, 167, 167, 172, 162, 173, + 162, 167, 167, 167, 167, 167, 167, 25, 167, 174, + 162, 175, 162, 176, 177, 167, 178, 167, 167, 167, + 167, 167, 25, 167, 176, 162, 177, 167, 178, 162, + 179, 167, 180, 167, 162, 167, 179, 162, 167, 162, + 167, 180, 167, 181, 167, 167, 167, 181, 167, 162, + 167, 0, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162 + } ; + +static yyconst flex_int16_t yy_nxt[592] = + { 0, + 10, 11, 12, 13, 14, 15, 16, 17, 16, 16, + 18, 19, 20, 20, 21, 22, 23, 24, 24, 24, + 24, 24, 25, 24, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, 26, 27, + 31, 31, 36, 28, 37, 36, 36, 32, 32, 35, + 36, 35, 35, 35, 35, 35, 35, 35, 35, 38, + 36, 36, 35, 35, 35, 36, 40, 36, 39, 36, + 36, 66, 48, 49, 41, 42, 56, 36, 55, 53, + 57, 36, 50, 51, 52, 101, 35, 34, 35, 36, + 35, 35, 35, 35, 35, 35, 35, 35, 43, 43, + + 34, 35, 35, 35, 34, 34, 44, 45, 34, 34, + 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 44, 34, 45, 35, 35, 36, 35, 35, + 35, 35, 35, 35, 35, 35, 46, 46, 46, 35, + 35, 35, 69, 36, 47, 37, 36, 53, 74, 70, + 71, 34, 34, 34, 56, 36, 36, 36, 57, 34, + 47, 36, 36, 35, 34, 35, 36, 35, 35, 35, + 35, 35, 35, 35, 35, 34, 34, 75, 35, 35, + 35, 81, 36, 80, 53, 36, 36, 86, 148, 83, + 34, 34, 34, 34, 36, 36, 129, 36, 34, 148, + + 36, 98, 35, 34, 35, 36, 35, 35, 35, 35, + 35, 35, 35, 35, 34, 82, 84, 35, 35, 35, + 34, 34, 34, 85, 69, 76, 54, 77, 34, 69, + 78, 162, 162, 36, 36, 79, 70, 71, 36, 85, + 36, 35, 58, 36, 34, 36, 39, 36, 140, 36, + 36, 36, 133, 53, 36, 87, 145, 36, 88, 36, + 90, 36, 36, 59, 60, 89, 36, 61, 62, 99, + 92, 104, 63, 36, 97, 91, 64, 65, 73, 73, + 73, 100, 106, 102, 73, 105, 34, 107, 73, 73, + 73, 73, 34, 34, 34, 103, 36, 36, 36, 36, + + 34, 36, 34, 93, 93, 94, 93, 93, 93, 93, + 93, 93, 93, 93, 36, 36, 34, 93, 93, 93, + 112, 113, 36, 36, 119, 95, 36, 117, 125, 36, + 36, 36, 96, 36, 36, 114, 36, 36, 115, 36, + 36, 93, 136, 116, 36, 124, 36, 159, 160, 53, + 36, 127, 128, 126, 36, 131, 130, 134, 132, 129, + 36, 141, 36, 143, 146, 149, 150, 140, 138, 142, + 142, 142, 36, 136, 144, 151, 151, 151, 155, 123, + 121, 153, 35, 145, 36, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, 35, 154, + + 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, + 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, + 35, 149, 150, 36, 149, 150, 111, 109, 123, 121, + 118, 156, 156, 156, 151, 151, 151, 35, 35, 36, + 35, 35, 35, 35, 35, 157, 35, 35, 159, 160, + 143, 35, 35, 35, 159, 160, 111, 109, 161, 161, + 161, 36, 67, 35, 161, 161, 161, 35, 36, 53, + 36, 36, 36, 36, 36, 35, 35, 35, 36, 35, + 35, 35, 35, 35, 157, 35, 35, 36, 36, 36, + 35, 35, 35, 36, 36, 36, 67, 36, 36, 162, + + 29, 29, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 35, 29, 29, 30, 30, 33, + 33, 34, 34, 35, 35, 53, 53, 68, 68, 72, + 72, 108, 108, 110, 110, 120, 120, 122, 122, 135, + 135, 137, 137, 139, 139, 147, 147, 152, 152, 158, + 158, 9, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162 + + } ; + +static yyconst flex_int16_t yy_chk[592] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 5, 6, 26, 2, 11, 11, 14, 5, 6, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 14, + 21, 17, 10, 10, 10, 15, 17, 18, 15, 22, + 23, 169, 21, 21, 18, 18, 27, 27, 26, 86, + 27, 157, 22, 23, 23, 86, 10, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 32, 153, 20, 37, 37, 54, 54, 32, + 32, 34, 34, 34, 56, 56, 59, 62, 56, 34, + 20, 61, 64, 20, 24, 24, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 34, 43, 59, 24, 24, + 24, 62, 82, 61, 74, 63, 152, 74, 147, 64, + 44, 44, 44, 43, 143, 65, 114, 114, 44, 141, + + 60, 82, 24, 25, 25, 25, 25, 25, 25, 25, + 25, 25, 25, 25, 44, 63, 65, 25, 25, 25, + 47, 47, 47, 73, 68, 60, 25, 60, 47, 70, + 60, 68, 68, 75, 76, 60, 70, 70, 79, 73, + 77, 25, 28, 28, 47, 78, 28, 81, 139, 83, + 89, 84, 118, 118, 91, 75, 134, 134, 76, 87, + 77, 90, 137, 28, 28, 76, 92, 28, 28, 83, + 79, 89, 28, 88, 81, 78, 28, 28, 45, 45, + 45, 84, 91, 87, 45, 90, 45, 92, 45, 45, + 45, 45, 85, 85, 85, 88, 100, 102, 106, 95, + + 85, 96, 45, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 97, 98, 85, 80, 80, 80, + 95, 96, 99, 105, 102, 80, 107, 100, 106, 112, + 115, 113, 80, 116, 117, 97, 119, 126, 98, 128, + 138, 80, 135, 99, 130, 105, 132, 159, 159, 133, + 146, 112, 113, 107, 144, 116, 115, 119, 117, 129, + 129, 128, 131, 130, 138, 142, 142, 127, 126, 129, + 129, 129, 125, 124, 132, 142, 142, 142, 146, 122, + 120, 144, 145, 145, 145, 145, 145, 145, 145, 145, + 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, + + 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, + 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, + 145, 149, 149, 155, 151, 151, 110, 108, 104, 103, + 101, 149, 149, 149, 151, 151, 151, 154, 154, 154, + 154, 154, 154, 154, 154, 154, 154, 154, 156, 156, + 155, 154, 154, 154, 161, 161, 94, 93, 156, 156, + 156, 72, 66, 58, 161, 161, 161, 57, 55, 53, + 52, 51, 50, 49, 48, 154, 158, 158, 158, 158, + 158, 158, 158, 158, 158, 158, 158, 42, 41, 40, + 158, 158, 158, 39, 38, 35, 30, 16, 13, 9, + + 8, 7, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 158, 163, 163, 164, 164, 165, + 165, 166, 166, 167, 167, 168, 168, 170, 170, 171, + 171, 172, 172, 173, 173, 174, 174, 175, 175, 176, + 176, 177, 177, 178, 178, 179, 179, 180, 180, 181, + 181, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, + 162 + + } ; + +#define YY_TRAILING_MASK 0x2000 +#define YY_TRAILING_HEAD_MASK 0x4000 +#define REJECT \ +{ \ +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ \ +yy_cp = yyg->yy_full_match; /* restore poss. backed-over text */ \ +yyg->yy_lp = yyg->yy_full_lp; /* restore orig. accepting pos. */ \ +yyg->yy_state_ptr = yyg->yy_full_state; /* restore orig. state */ \ +yy_current_state = *yyg->yy_state_ptr; /* restore curr. state */ \ +++yyg->yy_lp; \ +goto find_rule; \ +} + +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +#line 1 "glcpp/glcpp-lex.l" +#line 2 "glcpp/glcpp-lex.l" +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +#include "glcpp.h" +#include "glcpp-parse.h" + +/* Flex annoyingly generates some functions without making them + * static. Let's declare them here. */ +int glcpp_get_column (yyscan_t yyscanner); +void glcpp_set_column (int column_no , yyscan_t yyscanner); + +#define YY_NO_INPUT + +#define YY_USER_ACTION \ + do { \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT \ + do { \ + yylineno = 1; \ + yycolumn = 1; \ + yylloc->source = 0; \ + } while(0) + +#line 709 "glcpp/glcpp-lex.c" + +#define INITIAL 0 +#define DONE 1 +#define COMMENT 2 +#define UNREACHABLE 3 + +#define YY_EXTRA_TYPE glcpp_parser_t * + +/* Holds the entire state of the reentrant scanner. */ +struct yyguts_t + { + + /* User-defined. Not touched by flex. */ + YY_EXTRA_TYPE yyextra_r; + + /* The rest are the same as the globals declared in the non-reentrant scanner. */ + FILE *yyin_r, *yyout_r; + size_t yy_buffer_stack_top; /**< index of top of stack. */ + size_t yy_buffer_stack_max; /**< capacity of stack. */ + YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ + char yy_hold_char; + int yy_n_chars; + int yyleng_r; + char *yy_c_buf_p; + int yy_init; + int yy_start; + int yy_did_buffer_switch_on_eof; + int yy_start_stack_ptr; + int yy_start_stack_depth; + int *yy_start_stack; + yy_state_type yy_last_accepting_state; + char* yy_last_accepting_cpos; + + int yylineno_r; + int yy_flex_debug_r; + + yy_state_type *yy_state_buf; + yy_state_type *yy_state_ptr; + char *yy_full_match; + int yy_lp; + + /* These are only needed for trailing context rules, + * but there's no conditional variable for that yet. */ + int yy_looking_for_trail_begin; + int yy_full_lp; + int *yy_full_state; + + char *yytext_r; + int yy_more_flag; + int yy_more_len; + + YYSTYPE * yylval_r; + + YYLTYPE * yylloc_r; + + }; /* end struct yyguts_t */ + +static int yy_init_globals (yyscan_t yyscanner ); + + /* This must go here because YYSTYPE and YYLTYPE are included + * from bison output in section 1.*/ + # define yylval yyg->yylval_r + + # define yylloc yyg->yylloc_r + +int glcpp_lex_init (yyscan_t* scanner); + +int glcpp_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int glcpp_lex_destroy (yyscan_t yyscanner ); + +int glcpp_get_debug (yyscan_t yyscanner ); + +void glcpp_set_debug (int debug_flag ,yyscan_t yyscanner ); + +YY_EXTRA_TYPE glcpp_get_extra (yyscan_t yyscanner ); + +void glcpp_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); + +FILE *glcpp_get_in (yyscan_t yyscanner ); + +void glcpp_set_in (FILE * in_str ,yyscan_t yyscanner ); + +FILE *glcpp_get_out (yyscan_t yyscanner ); + +void glcpp_set_out (FILE * out_str ,yyscan_t yyscanner ); + +int glcpp_get_leng (yyscan_t yyscanner ); + +char *glcpp_get_text (yyscan_t yyscanner ); + +int glcpp_get_lineno (yyscan_t yyscanner ); + +void glcpp_set_lineno (int line_number ,yyscan_t yyscanner ); + +YYSTYPE * glcpp_get_lval (yyscan_t yyscanner ); + +void glcpp_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner ); + + YYLTYPE *glcpp_get_lloc (yyscan_t yyscanner ); + + void glcpp_set_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int glcpp_wrap (yyscan_t yyscanner ); +#else +extern int glcpp_wrap (yyscan_t yyscanner ); +#endif +#endif + + static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner); + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (yyscan_t yyscanner ); +#else +static int input (yyscan_t yyscanner ); +#endif + +#endif + + static void yy_push_state (int new_state ,yyscan_t yyscanner); + + static void yy_pop_state (yyscan_t yyscanner ); + + static int yy_top_state (yyscan_t yyscanner ); + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else +#define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int glcpp_lex \ + (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner); + +#define YY_DECL int glcpp_lex \ + (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + +#line 76 "glcpp/glcpp-lex.l" + + + /* Single-line comments */ +#line 972 "glcpp/glcpp-lex.c" + + yylval = yylval_param; + + yylloc = yylloc_param; + + if ( !yyg->yy_init ) + { + yyg->yy_init = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + /* Create the reject buffer large enough to save one state per allowed character. */ + if ( ! yyg->yy_state_buf ) + yyg->yy_state_buf = (yy_state_type *)glcpp_alloc(YY_STATE_BUF_SIZE ,yyscanner); + if ( ! yyg->yy_state_buf ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp_lex()" ); + + if ( ! yyg->yy_start ) + yyg->yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + glcpp_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + glcpp__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + glcpp__load_buffer_state(yyscanner ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yyg->yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yyg->yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); + + yyg->yy_state_ptr = yyg->yy_state_buf; + *yyg->yy_state_ptr++ = yy_current_state; + +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 163 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *yyg->yy_state_ptr++ = yy_current_state; + ++yy_cp; + } + while ( yy_current_state != 162 ); + +yy_find_action: + yy_current_state = *--yyg->yy_state_ptr; + yyg->yy_lp = yy_accept[yy_current_state]; +find_rule: /* we branch to this label when backing up */ + for ( ; ; ) /* until we find what rule we matched */ + { + if ( yyg->yy_lp && yyg->yy_lp < yy_accept[yy_current_state + 1] ) + { + yy_act = yy_acclist[yyg->yy_lp]; + if ( yy_act & YY_TRAILING_HEAD_MASK || + yyg->yy_looking_for_trail_begin ) + { + if ( yy_act == yyg->yy_looking_for_trail_begin ) + { + yyg->yy_looking_for_trail_begin = 0; + yy_act &= ~YY_TRAILING_HEAD_MASK; + break; + } + } + else if ( yy_act & YY_TRAILING_MASK ) + { + yyg->yy_looking_for_trail_begin = yy_act & ~YY_TRAILING_MASK; + yyg->yy_looking_for_trail_begin |= YY_TRAILING_HEAD_MASK; + yyg->yy_full_match = yy_cp; + yyg->yy_full_state = yyg->yy_state_ptr; + yyg->yy_full_lp = yyg->yy_lp; + } + else + { + yyg->yy_full_match = yy_cp; + yyg->yy_full_state = yyg->yy_state_ptr; + yyg->yy_full_lp = yyg->yy_lp; + break; + } + ++yyg->yy_lp; + goto find_rule; + } + --yy_cp; + yy_current_state = *--yyg->yy_state_ptr; + yyg->yy_lp = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ +case 1: +YY_RULE_SETUP +#line 79 "glcpp/glcpp-lex.l" +{ +} + YY_BREAK +/* Multi-line comments */ +case 2: +YY_RULE_SETUP +#line 83 "glcpp/glcpp-lex.l" +{ yy_push_state(COMMENT, yyscanner); } + YY_BREAK +case 3: +YY_RULE_SETUP +#line 84 "glcpp/glcpp-lex.l" + + YY_BREAK +case 4: +/* rule 4 can match eol */ +YY_RULE_SETUP +#line 85 "glcpp/glcpp-lex.l" +{ yylineno++; yycolumn = 0; } + YY_BREAK +case 5: +YY_RULE_SETUP +#line 86 "glcpp/glcpp-lex.l" + + YY_BREAK +case 6: +/* rule 6 can match eol */ +YY_RULE_SETUP +#line 87 "glcpp/glcpp-lex.l" +{ yylineno++; yycolumn = 0; } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 88 "glcpp/glcpp-lex.l" +{ + yy_pop_state(yyscanner); + if (yyextra->space_tokens) + return SPACE; +} + YY_BREAK +case 8: +YY_RULE_SETUP +#line 94 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + yyextra->space_tokens = 0; + return HASH_VERSION; +} + YY_BREAK +/* glcpp doesn't handle #extension, #version, or #pragma directives. + * Simply pass them through to the main compiler's lexer/parser. */ +case 9: +YY_RULE_SETUP +#line 102 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + yylineno++; + yycolumn = 0; + return OTHER; +} + YY_BREAK +case 10: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 109 "glcpp/glcpp-lex.l" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); +} + YY_BREAK +case 11: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 125 "glcpp/glcpp-lex.l" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; +} + YY_BREAK +case 12: +/* rule 12 can match eol */ +YY_RULE_SETUP +#line 140 "glcpp/glcpp-lex.l" +{ + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_IFDEF; +} + YY_BREAK +case 13: +/* rule 13 can match eol */ +YY_RULE_SETUP +#line 146 "glcpp/glcpp-lex.l" +{ + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_IFNDEF; +} + YY_BREAK +case 14: +/* rule 14 can match eol */ +YY_RULE_SETUP +#line 152 "glcpp/glcpp-lex.l" +{ + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_IF; +} + YY_BREAK +case 15: +/* rule 15 can match eol */ +YY_RULE_SETUP +#line 158 "glcpp/glcpp-lex.l" +{ + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_ELIF; +} + YY_BREAK +case 16: +/* rule 16 can match eol */ +YY_RULE_SETUP +#line 164 "glcpp/glcpp-lex.l" +{ + yyextra->space_tokens = 0; + return HASH_ELSE; +} + YY_BREAK +case 17: +/* rule 17 can match eol */ +YY_RULE_SETUP +#line 169 "glcpp/glcpp-lex.l" +{ + yyextra->space_tokens = 0; + return HASH_ENDIF; +} + YY_BREAK +/* When skipping (due to an #if 0 or similar) consume anything + * up to a newline. We do this with less priority than any + * #if-related directive (#if, #elif, #else, #endif), but with + * more priority than any other directive or token to avoid + * any side-effects from skipped content. + * + * We use the lexing_if flag to avoid skipping any part of an + * if conditional expression. */ +case 18: +/* rule 18 can match eol */ +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 182 "glcpp/glcpp-lex.l" +{ + /* Since this rule always matches, YY_USER_ACTION gets called for it, + * wrongly incrementing yycolumn. We undo that effect here. */ + yycolumn -= yyleng; + if (yyextra->lexing_if || + yyextra->skip_stack == NULL || + yyextra->skip_stack->type == SKIP_NO_SKIP) + { + REJECT; + } +} + YY_BREAK +case 19: +YY_RULE_SETUP +#line 194 "glcpp/glcpp-lex.l" +{ + char *p; + for (p = yytext; !isalpha(p[0]); p++); /* skip " # " */ + p += 5; /* skip "error" */ + glcpp_error(yylloc, yyextra, "#error%s", p); +} + YY_BREAK +case 20: +YY_RULE_SETUP +#line 201 "glcpp/glcpp-lex.l" +{ + yyextra->space_tokens = 0; + return HASH_DEFINE_FUNC; +} + YY_BREAK +case 21: +YY_RULE_SETUP +#line 206 "glcpp/glcpp-lex.l" +{ + yyextra->space_tokens = 0; + return HASH_DEFINE_OBJ; +} + YY_BREAK +case 22: +YY_RULE_SETUP +#line 211 "glcpp/glcpp-lex.l" +{ + yyextra->space_tokens = 0; + return HASH_UNDEF; +} + YY_BREAK +case 23: +YY_RULE_SETUP +#line 216 "glcpp/glcpp-lex.l" +{ + yyextra->space_tokens = 0; + return HASH; +} + YY_BREAK +case 24: +YY_RULE_SETUP +#line 221 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + return INTEGER_STRING; +} + YY_BREAK +case 25: +YY_RULE_SETUP +#line 226 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + return INTEGER_STRING; +} + YY_BREAK +case 26: +YY_RULE_SETUP +#line 231 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + return INTEGER_STRING; +} + YY_BREAK +case 27: +YY_RULE_SETUP +#line 236 "glcpp/glcpp-lex.l" +{ + return LEFT_SHIFT; +} + YY_BREAK +case 28: +YY_RULE_SETUP +#line 240 "glcpp/glcpp-lex.l" +{ + return RIGHT_SHIFT; +} + YY_BREAK +case 29: +YY_RULE_SETUP +#line 244 "glcpp/glcpp-lex.l" +{ + return LESS_OR_EQUAL; +} + YY_BREAK +case 30: +YY_RULE_SETUP +#line 248 "glcpp/glcpp-lex.l" +{ + return GREATER_OR_EQUAL; +} + YY_BREAK +case 31: +YY_RULE_SETUP +#line 252 "glcpp/glcpp-lex.l" +{ + return EQUAL; +} + YY_BREAK +case 32: +YY_RULE_SETUP +#line 256 "glcpp/glcpp-lex.l" +{ + return NOT_EQUAL; +} + YY_BREAK +case 33: +YY_RULE_SETUP +#line 260 "glcpp/glcpp-lex.l" +{ + return AND; +} + YY_BREAK +case 34: +YY_RULE_SETUP +#line 264 "glcpp/glcpp-lex.l" +{ + return OR; +} + YY_BREAK +case 35: +YY_RULE_SETUP +#line 268 "glcpp/glcpp-lex.l" +{ + return PASTE; +} + YY_BREAK +case 36: +YY_RULE_SETUP +#line 272 "glcpp/glcpp-lex.l" +{ + return DEFINED; +} + YY_BREAK +case 37: +YY_RULE_SETUP +#line 276 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + return IDENTIFIER; +} + YY_BREAK +case 38: +YY_RULE_SETUP +#line 281 "glcpp/glcpp-lex.l" +{ + return yytext[0]; +} + YY_BREAK +case 39: +YY_RULE_SETUP +#line 285 "glcpp/glcpp-lex.l" +{ + yylval->str = talloc_strdup (yyextra, yytext); + return OTHER; +} + YY_BREAK +case 40: +YY_RULE_SETUP +#line 290 "glcpp/glcpp-lex.l" +{ + if (yyextra->space_tokens) { + return SPACE; + } +} + YY_BREAK +case 41: +/* rule 41 can match eol */ +YY_RULE_SETUP +#line 296 "glcpp/glcpp-lex.l" +{ + yyextra->lexing_if = 0; + yylineno++; + yycolumn = 0; + return NEWLINE; +} + YY_BREAK +/* Handle missing newline at EOF. */ +case YY_STATE_EOF(INITIAL): +#line 304 "glcpp/glcpp-lex.l" +{ + BEGIN DONE; /* Don't keep matching this rule forever. */ + yyextra->lexing_if = 0; + return NEWLINE; +} + YY_BREAK +/* We don't actually use the UNREACHABLE start condition. We + only have this action here so that we can pretend to call some + generated functions, (to avoid "defined but not used" + warnings. */ +case 42: +YY_RULE_SETUP +#line 314 "glcpp/glcpp-lex.l" +{ + unput('.'); + yy_top_state(yyextra); +} + YY_BREAK +case 43: +YY_RULE_SETUP +#line 319 "glcpp/glcpp-lex.l" +ECHO; + YY_BREAK +#line 1489 "glcpp/glcpp-lex.c" + case YY_STATE_EOF(DONE): + case YY_STATE_EOF(COMMENT): + case YY_STATE_EOF(UNREACHABLE): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yyg->yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * glcpp_lex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); + + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yyg->yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yyg->yy_c_buf_p; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_END_OF_FILE: + { + yyg->yy_did_buffer_switch_on_eof = 0; + + if ( glcpp_wrap(yyscanner ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = + yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yyg->yy_c_buf_p = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of glcpp_lex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = yyg->yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + YY_FATAL_ERROR( +"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + yyg->yy_n_chars, (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + if ( yyg->yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + glcpp_restart(yyin ,yyscanner); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) glcpp_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + yyg->yy_n_chars += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (yyscan_t yyscanner) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); + + yyg->yy_state_ptr = yyg->yy_state_buf; + *yyg->yy_state_ptr++ = yy_current_state; + + for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 163 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *yyg->yy_state_ptr++ = yy_current_state; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) +{ + register int yy_is_jam; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ + + register YY_CHAR yy_c = 1; + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 163 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 162); + if ( ! yy_is_jam ) + *yyg->yy_state_ptr++ = yy_current_state; + + return yy_is_jam ? 0 : yy_current_state; +} + + static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner) +{ + register char *yy_cp; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + yy_cp = yyg->yy_c_buf_p; + + /* undo effects of setting up yytext */ + *yy_cp = yyg->yy_hold_char; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = yyg->yy_n_chars + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + register char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + yyg->yytext_ptr = yy_bp; + yyg->yy_hold_char = *yy_cp; + yyg->yy_c_buf_p = yy_cp; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (yyscan_t yyscanner) +#else + static int input (yyscan_t yyscanner) +#endif + +{ + int c; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + *yyg->yy_c_buf_p = yyg->yy_hold_char; + + if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + /* This was really a NUL. */ + *yyg->yy_c_buf_p = '\0'; + + else + { /* need more input */ + int offset = yyg->yy_c_buf_p - yyg->yytext_ptr; + ++yyg->yy_c_buf_p; + + switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + glcpp_restart(yyin ,yyscanner); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( glcpp_wrap(yyscanner ) ) + return EOF; + + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(yyscanner); +#else + return input(yyscanner); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = yyg->yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ + *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ + yyg->yy_hold_char = *++yyg->yy_c_buf_p; + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * @param yyscanner The scanner object. + * @note This function does not reset the start condition to @c INITIAL . + */ + void glcpp_restart (FILE * input_file , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! YY_CURRENT_BUFFER ){ + glcpp_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + glcpp__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + glcpp__init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); + glcpp__load_buffer_state(yyscanner ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * @param yyscanner The scanner object. + */ + void glcpp__switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* TODO. We should be able to replace this entire function body + * with + * glcpp_pop_buffer_state(); + * glcpp_push_buffer_state(new_buffer); + */ + glcpp_ensure_buffer_stack (yyscanner); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + glcpp__load_buffer_state(yyscanner ); + + /* We don't actually know whether we did this switch during + * EOF (glcpp_wrap()) processing, but the only time this flag + * is looked at is after glcpp_wrap() is called, so it's safe + * to go ahead and always set it. + */ + yyg->yy_did_buffer_switch_on_eof = 1; +} + +static void glcpp__load_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + yyg->yy_hold_char = *yyg->yy_c_buf_p; +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * @param yyscanner The scanner object. + * @return the allocated buffer state. + */ + YY_BUFFER_STATE glcpp__create_buffer (FILE * file, int size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) glcpp_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp__create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) glcpp_alloc(b->yy_buf_size + 2 ,yyscanner ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp__create_buffer()" ); + + b->yy_is_our_buffer = 1; + + glcpp__init_buffer(b,file ,yyscanner); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with glcpp__create_buffer() + * @param yyscanner The scanner object. + */ + void glcpp__delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + glcpp_free((void *) b->yy_ch_buf ,yyscanner ); + + glcpp_free((void *) b ,yyscanner ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a glcpp_restart() or at EOF. + */ + static void glcpp__init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) + +{ + int oerrno = errno; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + glcpp__flush_buffer(b ,yyscanner); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then glcpp__init_buffer was _probably_ + * called from glcpp_restart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * @param yyscanner The scanner object. + */ + void glcpp__flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + glcpp__load_buffer_state(yyscanner ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * @param yyscanner The scanner object. + */ +void glcpp_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (new_buffer == NULL) + return; + + glcpp_ensure_buffer_stack(yyscanner); + + /* This block is copied from glcpp__switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + yyg->yy_buffer_stack_top++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from glcpp__switch_to_buffer. */ + glcpp__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * @param yyscanner The scanner object. + */ +void glcpp_pop_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (!YY_CURRENT_BUFFER) + return; + + glcpp__delete_buffer(YY_CURRENT_BUFFER ,yyscanner); + YY_CURRENT_BUFFER_LVALUE = NULL; + if (yyg->yy_buffer_stack_top > 0) + --yyg->yy_buffer_stack_top; + + if (YY_CURRENT_BUFFER) { + glcpp__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void glcpp_ensure_buffer_stack (yyscan_t yyscanner) +{ + int num_to_alloc; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (!yyg->yy_buffer_stack) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + yyg->yy_buffer_stack = (struct yy_buffer_state**)glcpp_alloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp_ensure_buffer_stack()" ); + + memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + yyg->yy_buffer_stack_max = num_to_alloc; + yyg->yy_buffer_stack_top = 0; + return; + } + + if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = yyg->yy_buffer_stack_max + grow_size; + yyg->yy_buffer_stack = (struct yy_buffer_state**)glcpp_realloc + (yyg->yy_buffer_stack, + num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp_ensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); + yyg->yy_buffer_stack_max = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE glcpp__scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) glcpp_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp__scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + glcpp__switch_to_buffer(b ,yyscanner ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to glcpp_lex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * glcpp__scan_bytes() instead. + */ +YY_BUFFER_STATE glcpp__scan_string (yyconst char * yystr , yyscan_t yyscanner) +{ + + return glcpp__scan_bytes(yystr,strlen(yystr) ,yyscanner); +} + +/** Setup the input buffer state to scan the given bytes. The next call to glcpp_lex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE glcpp__scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) glcpp_alloc(n ,yyscanner ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in glcpp__scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = glcpp__scan_buffer(buf,n ,yyscanner); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in glcpp__scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + + static void yy_push_state (int new_state , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( yyg->yy_start_stack_ptr >= yyg->yy_start_stack_depth ) + { + yy_size_t new_size; + + yyg->yy_start_stack_depth += YY_START_STACK_INCR; + new_size = yyg->yy_start_stack_depth * sizeof( int ); + + if ( ! yyg->yy_start_stack ) + yyg->yy_start_stack = (int *) glcpp_alloc(new_size ,yyscanner ); + + else + yyg->yy_start_stack = (int *) glcpp_realloc((void *) yyg->yy_start_stack,new_size ,yyscanner ); + + if ( ! yyg->yy_start_stack ) + YY_FATAL_ERROR( "out of memory expanding start-condition stack" ); + } + + yyg->yy_start_stack[yyg->yy_start_stack_ptr++] = YY_START; + + BEGIN(new_state); +} + + static void yy_pop_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( --yyg->yy_start_stack_ptr < 0 ) + YY_FATAL_ERROR( "start-condition stack underflow" ); + + BEGIN(yyg->yy_start_stack[yyg->yy_start_stack_ptr]); +} + + static int yy_top_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyg->yy_start_stack[yyg->yy_start_stack_ptr - 1]; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = yyg->yy_hold_char; \ + yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ + yyg->yy_hold_char = *yyg->yy_c_buf_p; \ + *yyg->yy_c_buf_p = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the user-defined data for this scanner. + * @param yyscanner The scanner object. + */ +YY_EXTRA_TYPE glcpp_get_extra (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyextra; +} + +/** Get the current line number. + * @param yyscanner The scanner object. + */ +int glcpp_get_lineno (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yylineno; +} + +/** Get the current column number. + * @param yyscanner The scanner object. + */ +int glcpp_get_column (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yycolumn; +} + +/** Get the input stream. + * @param yyscanner The scanner object. + */ +FILE *glcpp_get_in (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyin; +} + +/** Get the output stream. + * @param yyscanner The scanner object. + */ +FILE *glcpp_get_out (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyout; +} + +/** Get the length of the current token. + * @param yyscanner The scanner object. + */ +int glcpp_get_leng (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyleng; +} + +/** Get the current token. + * @param yyscanner The scanner object. + */ + +char *glcpp_get_text (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yytext; +} + +/** Set the user-defined data. This data is never touched by the scanner. + * @param user_defined The data to be associated with this scanner. + * @param yyscanner The scanner object. + */ +void glcpp_set_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyextra = user_defined ; +} + +/** Set the current line number. + * @param line_number + * @param yyscanner The scanner object. + */ +void glcpp_set_lineno (int line_number , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* lineno is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "glcpp_set_lineno called with no buffer" , yyscanner); + + yylineno = line_number; +} + +/** Set the current column. + * @param line_number + * @param yyscanner The scanner object. + */ +void glcpp_set_column (int column_no , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* column is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "glcpp_set_column called with no buffer" , yyscanner); + + yycolumn = column_no; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * @param yyscanner The scanner object. + * @see glcpp__switch_to_buffer + */ +void glcpp_set_in (FILE * in_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyin = in_str ; +} + +void glcpp_set_out (FILE * out_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyout = out_str ; +} + +int glcpp_get_debug (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yy_flex_debug; +} + +void glcpp_set_debug (int bdebug , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yy_flex_debug = bdebug ; +} + +/* Accessor methods for yylval and yylloc */ + +YYSTYPE * glcpp_get_lval (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylval; +} + +void glcpp_set_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylval = yylval_param; +} + +YYLTYPE *glcpp_get_lloc (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylloc; +} + +void glcpp_set_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylloc = yylloc_param; +} + +/* User-visible API */ + +/* glcpp_lex_init is special because it creates the scanner itself, so it is + * the ONLY reentrant function that doesn't take the scanner as the last argument. + * That's why we explicitly handle the declaration, instead of using our macros. + */ + +int glcpp_lex_init(yyscan_t* ptr_yy_globals) + +{ + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) glcpp_alloc ( sizeof( struct yyguts_t ), NULL ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + return yy_init_globals ( *ptr_yy_globals ); +} + +/* glcpp_lex_init_extra has the same functionality as glcpp_lex_init, but follows the + * convention of taking the scanner as the last argument. Note however, that + * this is a *pointer* to a scanner, as it will be allocated by this call (and + * is the reason, too, why this function also must handle its own declaration). + * The user defined value in the first argument will be available to glcpp_alloc in + * the yyextra field. + */ + +int glcpp_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) + +{ + struct yyguts_t dummy_yyguts; + + glcpp_set_extra (yy_user_defined, &dummy_yyguts); + + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) glcpp_alloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in + yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + glcpp_set_extra (yy_user_defined, *ptr_yy_globals); + + return yy_init_globals ( *ptr_yy_globals ); +} + +static int yy_init_globals (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from glcpp_lex_destroy(), so don't allocate here. + */ + + yyg->yy_buffer_stack = 0; + yyg->yy_buffer_stack_top = 0; + yyg->yy_buffer_stack_max = 0; + yyg->yy_c_buf_p = (char *) 0; + yyg->yy_init = 0; + yyg->yy_start = 0; + + yyg->yy_start_stack_ptr = 0; + yyg->yy_start_stack_depth = 0; + yyg->yy_start_stack = NULL; + + yyg->yy_state_buf = 0; + yyg->yy_state_ptr = 0; + yyg->yy_full_match = 0; + yyg->yy_lp = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * glcpp_lex_init() + */ + return 0; +} + +/* glcpp_lex_destroy is for both reentrant and non-reentrant scanners. */ +int glcpp_lex_destroy (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + glcpp__delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); + YY_CURRENT_BUFFER_LVALUE = NULL; + glcpp_pop_buffer_state(yyscanner); + } + + /* Destroy the stack itself. */ + glcpp_free(yyg->yy_buffer_stack ,yyscanner); + yyg->yy_buffer_stack = NULL; + + /* Destroy the start condition stack. */ + glcpp_free(yyg->yy_start_stack ,yyscanner ); + yyg->yy_start_stack = NULL; + + glcpp_free ( yyg->yy_state_buf , yyscanner); + yyg->yy_state_buf = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * glcpp_lex() is called, initialization will occur. */ + yy_init_globals( yyscanner); + + /* Destroy the main struct (reentrant only). */ + glcpp_free ( yyscanner , yyscanner ); + yyscanner = NULL; + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *glcpp_alloc (yy_size_t size , yyscan_t yyscanner) +{ + return (void *) malloc( size ); +} + +void *glcpp_realloc (void * ptr, yy_size_t size , yyscan_t yyscanner) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void glcpp_free (void * ptr , yyscan_t yyscanner) +{ + free( (char *) ptr ); /* see glcpp_realloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 319 "glcpp/glcpp-lex.l" + + + +void +glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader) +{ + glcpp__scan_string(shader,parser->scanner); +} + diff --git a/mesalib/src/glsl/glcpp/glcpp-lex.l b/mesalib/src/glsl/glcpp/glcpp-lex.l new file mode 100644 index 000000000..8eb84ed13 --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp-lex.l @@ -0,0 +1,325 @@ +%{ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +#include "glcpp.h" +#include "glcpp-parse.h" + +/* Flex annoyingly generates some functions without making them + * static. Let's declare them here. */ +int glcpp_get_column (yyscan_t yyscanner); +void glcpp_set_column (int column_no , yyscan_t yyscanner); + +#define YY_NO_INPUT + +#define YY_USER_ACTION \ + do { \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT \ + do { \ + yylineno = 1; \ + yycolumn = 1; \ + yylloc->source = 0; \ + } while(0) +%} + +%option bison-bridge bison-locations reentrant noyywrap +%option extra-type="glcpp_parser_t *" +%option prefix="glcpp_" +%option stack +%option never-interactive + +%x DONE COMMENT UNREACHABLE + +SPACE [[:space:]] +NONSPACE [^[:space:]] +NEWLINE [\n] +HSPACE [ \t] +HASH ^{HSPACE}*#{HSPACE}* +IDENTIFIER [_a-zA-Z][_a-zA-Z0-9]* +PUNCTUATION [][(){}.&*~!/%<>^|;,=+-] +OTHER [^][(){}.&*~!/%<>^|;,=#[:space:]+-]+ + +DIGITS [0-9][0-9]* +DECIMAL_INTEGER [1-9][0-9]*[uU]? +OCTAL_INTEGER 0[0-7]*[uU]? +HEXADECIMAL_INTEGER 0[xX][0-9a-fA-F]+[uU]? + +%% + + /* Single-line comments */ +"//"[^\n]* { +} + + /* Multi-line comments */ +"/*" { yy_push_state(COMMENT, yyscanner); } +<COMMENT>[^*\n]* +<COMMENT>[^*\n]*\n { yylineno++; yycolumn = 0; } +<COMMENT>"*"+[^*/\n]* +<COMMENT>"*"+[^*/\n]*\n { yylineno++; yycolumn = 0; } +<COMMENT>"*"+"/" { + yy_pop_state(yyscanner); + if (yyextra->space_tokens) + return SPACE; +} + +{HASH}version { + yylval->str = talloc_strdup (yyextra, yytext); + yyextra->space_tokens = 0; + return HASH_VERSION; +} + + /* glcpp doesn't handle #extension, #version, or #pragma directives. + * Simply pass them through to the main compiler's lexer/parser. */ +{HASH}(extension|pragma)[^\n]+ { + yylval->str = talloc_strdup (yyextra, yytext); + yylineno++; + yycolumn = 0; + return OTHER; +} + +{HASH}line{HSPACE}+{DIGITS}{HSPACE}+{DIGITS}{HSPACE}*$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); +} + +{HASH}line{HSPACE}+{DIGITS}{HSPACE}*$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; +} + +{HASH}ifdef/.*\n { + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_IFDEF; +} + +{HASH}ifndef/.*\n { + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_IFNDEF; +} + +{HASH}if/[^_a-zA-Z0-9].*\n { + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_IF; +} + +{HASH}elif/.*\n { + yyextra->lexing_if = 1; + yyextra->space_tokens = 0; + return HASH_ELIF; +} + +{HASH}else/.*\n { + yyextra->space_tokens = 0; + return HASH_ELSE; +} + +{HASH}endif/.*\n { + yyextra->space_tokens = 0; + return HASH_ENDIF; +} + + /* When skipping (due to an #if 0 or similar) consume anything + * up to a newline. We do this with less priority than any + * #if-related directive (#if, #elif, #else, #endif), but with + * more priority than any other directive or token to avoid + * any side-effects from skipped content. + * + * We use the lexing_if flag to avoid skipping any part of an + * if conditional expression. */ +[^\n]+/\n { + /* Since this rule always matches, YY_USER_ACTION gets called for it, + * wrongly incrementing yycolumn. We undo that effect here. */ + yycolumn -= yyleng; + if (yyextra->lexing_if || + yyextra->skip_stack == NULL || + yyextra->skip_stack->type == SKIP_NO_SKIP) + { + REJECT; + } +} + +{HASH}error.* { + char *p; + for (p = yytext; !isalpha(p[0]); p++); /* skip " # " */ + p += 5; /* skip "error" */ + glcpp_error(yylloc, yyextra, "#error%s", p); +} + +{HASH}define{HSPACE}+/{IDENTIFIER}"(" { + yyextra->space_tokens = 0; + return HASH_DEFINE_FUNC; +} + +{HASH}define { + yyextra->space_tokens = 0; + return HASH_DEFINE_OBJ; +} + +{HASH}undef { + yyextra->space_tokens = 0; + return HASH_UNDEF; +} + +{HASH} { + yyextra->space_tokens = 0; + return HASH; +} + +{DECIMAL_INTEGER} { + yylval->str = talloc_strdup (yyextra, yytext); + return INTEGER_STRING; +} + +{OCTAL_INTEGER} { + yylval->str = talloc_strdup (yyextra, yytext); + return INTEGER_STRING; +} + +{HEXADECIMAL_INTEGER} { + yylval->str = talloc_strdup (yyextra, yytext); + return INTEGER_STRING; +} + +"<<" { + return LEFT_SHIFT; +} + +">>" { + return RIGHT_SHIFT; +} + +"<=" { + return LESS_OR_EQUAL; +} + +">=" { + return GREATER_OR_EQUAL; +} + +"==" { + return EQUAL; +} + +"!=" { + return NOT_EQUAL; +} + +"&&" { + return AND; +} + +"||" { + return OR; +} + +"##" { + return PASTE; +} + +"defined" { + return DEFINED; +} + +{IDENTIFIER} { + yylval->str = talloc_strdup (yyextra, yytext); + return IDENTIFIER; +} + +{PUNCTUATION} { + return yytext[0]; +} + +{OTHER}+ { + yylval->str = talloc_strdup (yyextra, yytext); + return OTHER; +} + +{HSPACE}+ { + if (yyextra->space_tokens) { + return SPACE; + } +} + +\n { + yyextra->lexing_if = 0; + yylineno++; + yycolumn = 0; + return NEWLINE; +} + + /* Handle missing newline at EOF. */ +<INITIAL><<EOF>> { + BEGIN DONE; /* Don't keep matching this rule forever. */ + yyextra->lexing_if = 0; + return NEWLINE; +} + + /* We don't actually use the UNREACHABLE start condition. We + only have this action here so that we can pretend to call some + generated functions, (to avoid "defined but not used" + warnings. */ +<UNREACHABLE>. { + unput('.'); + yy_top_state(yyextra); +} + +%% + +void +glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader) +{ + yy_scan_string(shader, parser->scanner); +} diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.c b/mesalib/src/glsl/glcpp/glcpp-parse.c new file mode 100644 index 000000000..1773ca5c1 --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp-parse.c @@ -0,0 +1,4184 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 1 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 1 + + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 1 "glcpp/glcpp-parse.y" + +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <inttypes.h> + +#include "glcpp.h" +#include "main/core.h" /* for struct gl_extensions */ +#include "main/mtypes.h" /* for gl_api enum */ + +#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) +#define glcpp_printf(stream, fmt, args, ...) \ + stream = talloc_asprintf_append(stream, fmt, args) + +static void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); + +static void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + token_list_t *replacements); + +static void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + string_list_t *parameters, + token_list_t *replacements); + +static string_list_t * +_string_list_create (void *ctx); + +static void +_string_list_append_item (string_list_t *list, const char *str); + +static int +_string_list_contains (string_list_t *list, const char *member, int *index); + +static int +_string_list_length (string_list_t *list); + +static int +_string_list_equal (string_list_t *a, string_list_t *b); + +static argument_list_t * +_argument_list_create (void *ctx); + +static void +_argument_list_append (argument_list_t *list, token_list_t *argument); + +static int +_argument_list_length (argument_list_t *list); + +static token_list_t * +_argument_list_member_at (argument_list_t *list, int index); + +/* Note: This function talloc_steal()s the str pointer. */ +static token_t * +_token_create_str (void *ctx, int type, char *str); + +static token_t * +_token_create_ival (void *ctx, int type, int ival); + +static token_list_t * +_token_list_create (void *ctx); + +/* Note: This function adds a talloc_reference() to token. + * + * You may want to talloc_unlink any current reference if you no + * longer need it. */ +static void +_token_list_append (token_list_t *list, token_t *token); + +static void +_token_list_append_list (token_list_t *list, token_list_t *tail); + +static int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b); + +static active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker); + +static active_list_t * +_active_list_pop (active_list_t *list); + +int +_active_list_contains (active_list_t *list, const char *identifier); + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list); + +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition); + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition); + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); + +#define yylex glcpp_parser_lex + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); + +static void +add_builtin_define(glcpp_parser_t *parser, const char *name, int value); + + + +/* Line 189 of yacc.c */ +#line 223 "glcpp/glcpp-parse.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 1 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + COMMA_FINAL = 258, + DEFINED = 259, + ELIF_EXPANDED = 260, + HASH = 261, + HASH_DEFINE_FUNC = 262, + HASH_DEFINE_OBJ = 263, + HASH_ELIF = 264, + HASH_ELSE = 265, + HASH_ENDIF = 266, + HASH_IF = 267, + HASH_IFDEF = 268, + HASH_IFNDEF = 269, + HASH_UNDEF = 270, + HASH_VERSION = 271, + IDENTIFIER = 272, + IF_EXPANDED = 273, + INTEGER = 274, + INTEGER_STRING = 275, + NEWLINE = 276, + OTHER = 277, + PLACEHOLDER = 278, + SPACE = 279, + PASTE = 280, + OR = 281, + AND = 282, + NOT_EQUAL = 283, + EQUAL = 284, + GREATER_OR_EQUAL = 285, + LESS_OR_EQUAL = 286, + RIGHT_SHIFT = 287, + LEFT_SHIFT = 288, + UNARY = 289 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED + +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 311 "glcpp/glcpp-parse.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ + && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; + YYLTYPE yyls_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 606 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 57 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 17 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 101 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 162 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 289 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 47, 2, 2, 2, 43, 30, 2, + 45, 46, 41, 39, 49, 40, 54, 42, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 55, + 33, 56, 34, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 50, 2, 51, 29, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 52, 28, 53, 48, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 31, 32, 35, 36, 37, 38, 44 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint16 yyprhs[] = +{ + 0, 0, 3, 4, 7, 9, 11, 13, 16, 20, + 24, 29, 36, 44, 48, 52, 55, 60, 65, 69, + 72, 75, 78, 82, 85, 87, 89, 91, 95, 99, + 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, + 143, 147, 151, 155, 159, 163, 166, 169, 172, 175, + 179, 181, 185, 187, 190, 193, 194, 196, 197, 199, + 202, 207, 209, 211, 214, 216, 219, 221, 223, 225, + 227, 229, 231, 233, 235, 237, 239, 241, 243, 245, + 247, 249, 251, 253, 255, 257, 259, 261, 263, 265, + 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, + 287, 289 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 58, 0, -1, -1, 58, 59, -1, 61, -1, 65, + -1, 60, -1, 6, 66, -1, 18, 63, 21, -1, + 5, 63, 21, -1, 8, 17, 67, 21, -1, 7, + 17, 45, 46, 67, 21, -1, 7, 17, 45, 64, + 46, 67, 21, -1, 15, 17, 21, -1, 12, 70, + 21, -1, 12, 21, -1, 13, 17, 68, 21, -1, + 14, 17, 68, 21, -1, 9, 70, 21, -1, 9, + 21, -1, 10, 21, -1, 11, 21, -1, 16, 62, + 21, -1, 6, 21, -1, 20, -1, 19, -1, 62, + -1, 63, 26, 63, -1, 63, 27, 63, -1, 63, + 28, 63, -1, 63, 29, 63, -1, 63, 30, 63, + -1, 63, 31, 63, -1, 63, 32, 63, -1, 63, + 35, 63, -1, 63, 36, 63, -1, 63, 34, 63, + -1, 63, 33, 63, -1, 63, 37, 63, -1, 63, + 38, 63, -1, 63, 40, 63, -1, 63, 39, 63, + -1, 63, 43, 63, -1, 63, 42, 63, -1, 63, + 41, 63, -1, 47, 63, -1, 48, 63, -1, 40, + 63, -1, 39, 63, -1, 45, 63, 46, -1, 17, + -1, 64, 49, 17, -1, 21, -1, 71, 21, -1, + 71, 21, -1, -1, 71, -1, -1, 71, -1, 4, + 17, -1, 4, 45, 17, 46, -1, 72, -1, 69, + -1, 70, 69, -1, 72, -1, 71, 72, -1, 17, + -1, 20, -1, 73, -1, 22, -1, 24, -1, 50, + -1, 51, -1, 45, -1, 46, -1, 52, -1, 53, + -1, 54, -1, 30, -1, 41, -1, 39, -1, 40, + -1, 48, -1, 47, -1, 42, -1, 43, -1, 38, + -1, 37, -1, 33, -1, 34, -1, 36, -1, 35, + -1, 32, -1, 31, -1, 29, -1, 28, -1, 27, + -1, 26, -1, 55, -1, 49, -1, 56, -1, 25, + -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 188, 188, 190, 194, 197, 202, 203, 207, 210, + 216, 219, 222, 225, 233, 252, 262, 267, 272, 291, + 306, 309, 312, 325, 329, 338, 343, 344, 347, 350, + 353, 356, 359, 362, 365, 368, 371, 374, 377, 380, + 383, 386, 389, 392, 395, 398, 401, 404, 407, 410, + 416, 421, 429, 430, 434, 440, 441, 444, 446, 453, + 457, 461, 466, 472, 480, 486, 494, 498, 502, 506, + 510, 517, 518, 519, 520, 521, 522, 523, 524, 525, + 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, + 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, + 546, 547 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "COMMA_FINAL", "DEFINED", + "ELIF_EXPANDED", "HASH", "HASH_DEFINE_FUNC", "HASH_DEFINE_OBJ", + "HASH_ELIF", "HASH_ELSE", "HASH_ENDIF", "HASH_IF", "HASH_IFDEF", + "HASH_IFNDEF", "HASH_UNDEF", "HASH_VERSION", "IDENTIFIER", "IF_EXPANDED", + "INTEGER", "INTEGER_STRING", "NEWLINE", "OTHER", "PLACEHOLDER", "SPACE", + "PASTE", "OR", "AND", "'|'", "'^'", "'&'", "NOT_EQUAL", "EQUAL", "'<'", + "'>'", "GREATER_OR_EQUAL", "LESS_OR_EQUAL", "RIGHT_SHIFT", "LEFT_SHIFT", + "'+'", "'-'", "'*'", "'/'", "'%'", "UNARY", "'('", "')'", "'!'", "'~'", + "','", "'['", "']'", "'{'", "'}'", "'.'", "';'", "'='", "$accept", + "input", "line", "expanded_line", "control_line", "integer_constant", + "expression", "identifier_list", "text_line", "non_directive", + "replacement_list", "junk", "conditional_token", "conditional_tokens", + "pp_tokens", "preprocessing_token", "operator", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 124, 94, + 38, 283, 284, 60, 62, 285, 286, 287, 288, 43, + 45, 42, 47, 37, 289, 40, 41, 33, 126, 44, + 91, 93, 123, 125, 46, 59, 61 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 57, 58, 58, 59, 59, 59, 59, 60, 60, + 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 62, 62, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, + 64, 64, 65, 65, 66, 67, 67, 68, 68, 69, + 69, 69, 70, 70, 71, 71, 72, 72, 72, 72, + 72, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 2, 1, 1, 1, 2, 3, 3, + 4, 6, 7, 3, 3, 2, 4, 4, 3, 2, + 2, 2, 3, 2, 1, 1, 1, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, + 1, 3, 1, 2, 2, 0, 1, 0, 1, 2, + 4, 1, 1, 2, 1, 2, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 66, 0, 67, 52, 69, + 70, 101, 97, 96, 95, 94, 78, 93, 92, 88, + 89, 91, 90, 87, 86, 80, 81, 79, 84, 85, + 73, 74, 83, 82, 99, 71, 72, 75, 76, 77, + 98, 100, 3, 6, 4, 5, 0, 64, 68, 25, + 24, 0, 0, 0, 0, 0, 26, 0, 23, 7, + 0, 0, 55, 0, 19, 62, 0, 61, 20, 21, + 15, 0, 57, 57, 0, 0, 0, 53, 65, 48, + 47, 0, 45, 46, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 54, 0, 0, 56, 59, 0, 18, + 63, 14, 0, 58, 0, 13, 22, 8, 49, 27, + 28, 29, 30, 31, 32, 33, 37, 36, 34, 35, + 38, 39, 41, 40, 44, 43, 42, 50, 55, 0, + 10, 0, 16, 17, 0, 55, 0, 60, 11, 0, + 51, 12 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 1, 52, 53, 54, 66, 67, 149, 55, 69, + 115, 122, 75, 76, 116, 57, 58 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -147 +static const yytype_int16 yypact[] = +{ + -147, 112, -147, 28, -10, 55, 62, 152, -15, 59, + 192, 85, 86, 87, 51, -147, 28, -147, -147, -147, + -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, + -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, + -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, + -147, -147, -147, -147, -147, -147, 312, -147, -147, -147, + -147, 28, 28, 28, 28, 28, -147, 428, -147, -147, + 352, 63, 392, 17, -147, -147, 232, -147, -147, -147, + -147, 272, 392, 392, 84, 89, 451, -147, -147, -147, + -147, 469, -147, -147, -147, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, -147, 60, 90, 392, -147, 96, -147, + -147, -147, 93, 392, 94, -147, -147, -147, -147, 489, + 505, 520, 534, 547, 558, 558, 18, 18, 18, 18, + 563, 563, 23, 23, -147, -147, -147, -147, 392, 32, + -147, 61, -147, -147, 110, 392, 118, -147, -147, 149, + -147, -147 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -147, -147, -147, -147, -147, 157, -11, -147, -147, -147, + -146, 92, -68, 200, 0, -7, -147 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const yytype_uint8 yytable[] = +{ + 77, 56, 154, 77, 70, 86, 78, 15, 120, 159, + 17, 68, 19, 120, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 117, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 59, 60, 88, + 89, 90, 91, 92, 93, 106, 107, 108, 109, 110, + 111, 112, 118, 88, 110, 111, 112, 61, 62, 77, + 59, 60, 71, 63, 77, 64, 65, 147, 155, 72, + 79, 156, 123, 123, 129, 130, 131, 132, 133, 134, + 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, + 145, 146, 82, 83, 84, 125, 148, 157, 114, 88, + 126, 150, 2, 151, 152, 153, 88, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 158, 17, 18, 19, 160, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 161, 85, 17, 74, 19, 124, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 81, 0, 17, 80, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 119, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 121, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 87, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 113, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 0, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 94, + 0, 0, 0, 0, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 127, 0, 0, 0, 0, 95, 96, 97, + 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, + 108, 109, 110, 111, 112, 95, 96, 97, 98, 99, + 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, + 110, 111, 112, 0, 0, 128, 96, 97, 98, 99, + 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, + 110, 111, 112, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, 112, 98, + 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, + 109, 110, 111, 112, 99, 100, 101, 102, 103, 104, + 105, 106, 107, 108, 109, 110, 111, 112, 100, 101, + 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, + 112, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 108, 109, 110, 111, 112 +}; + +static const yytype_int16 yycheck[] = +{ + 7, 1, 148, 10, 4, 16, 21, 17, 76, 155, + 20, 21, 22, 81, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 17, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 19, 20, 56, + 61, 62, 63, 64, 65, 37, 38, 39, 40, 41, + 42, 43, 45, 70, 41, 42, 43, 39, 40, 76, + 19, 20, 17, 45, 81, 47, 48, 17, 46, 17, + 21, 49, 82, 83, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 17, 17, 17, 21, 46, 46, 45, 116, + 21, 21, 0, 17, 21, 21, 123, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 21, 20, 21, 22, 17, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + 21, 14, 20, 21, 22, 83, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + 10, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, -1, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 21, + -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, + 42, 43, 21, -1, -1, -1, -1, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, -1, -1, 46, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 43, 33, 34, 35, 36, 37, 38, 39, 40, 41, + 42, 43, 39, 40, 41, 42, 43 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 58, 0, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 59, 60, 61, 65, 71, 72, 73, 19, + 20, 39, 40, 45, 47, 48, 62, 63, 21, 66, + 71, 17, 17, 4, 21, 69, 70, 72, 21, 21, + 21, 70, 17, 17, 17, 62, 63, 21, 72, 63, + 63, 63, 63, 63, 21, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 21, 45, 67, 71, 17, 45, 21, + 69, 21, 68, 71, 68, 21, 21, 21, 46, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 17, 46, 64, + 21, 17, 21, 21, 67, 46, 49, 46, 21, 67, + 17, 21 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (&yylloc, parser, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval, &yylloc, parser) +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location, parser); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + glcpp_parser_t *parser; +#endif +{ + if (!yyvaluep) + return; + YYUSE (yylocationp); + YYUSE (parser); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, parser) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + glcpp_parser_t *parser; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, glcpp_parser_t *parser) +#else +static void +yy_reduce_print (yyvsp, yylsp, yyrule, parser) + YYSTYPE *yyvsp; + YYLTYPE *yylsp; + int yyrule; + glcpp_parser_t *parser; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) , parser); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, yylsp, Rule, parser); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, glcpp_parser_t *parser) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, yylocationp, parser) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; + glcpp_parser_t *parser; +#endif +{ + YYUSE (yyvaluep); + YYUSE (yylocationp); + YYUSE (parser); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (glcpp_parser_t *parser); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (glcpp_parser_t *parser) +#else +int +yyparse (parser) + glcpp_parser_t *parser; +#endif +#endif +{ +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc; + + /* Number of syntax errors so far. */ + int yynerrs; + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls; + YYLTYPE *yylsp; + + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[3]; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + YYLTYPE yyloc; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yyls = yylsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + yylsp = yyls; + +#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 1; +#endif + +/* User initialization code. */ + +/* Line 1251 of yacc.c */ +#line 155 "glcpp/glcpp-parse.y" +{ + yylloc.first_line = 1; + yylloc.first_column = 1; + yylloc.last_line = 1; + yylloc.last_column = 1; + yylloc.source = 0; +} + +/* Line 1251 of yacc.c */ +#line 1625 "glcpp/glcpp-parse.c" + yylsp[0] = yylloc; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + YYLTYPE *yyls1 = yyls; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + + yyls = yyls1; + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); + YYSTACK_RELOCATE (yyls_alloc, yyls); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + yylsp = yyls + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + +/* Line 1464 of yacc.c */ +#line 194 "glcpp/glcpp-parse.y" + { + glcpp_print(parser->output, "\n"); + ;} + break; + + case 5: + +/* Line 1464 of yacc.c */ +#line 197 "glcpp/glcpp-parse.y" + { + _glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list)); + glcpp_print(parser->output, "\n"); + talloc_free ((yyvsp[(1) - (1)].token_list)); + ;} + break; + + case 8: + +/* Line 1464 of yacc.c */ +#line 207 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 9: + +/* Line 1464 of yacc.c */ +#line 210 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 10: + +/* Line 1464 of yacc.c */ +#line 216 "glcpp/glcpp-parse.y" + { + _define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list)); + ;} + break; + + case 11: + +/* Line 1464 of yacc.c */ +#line 219 "glcpp/glcpp-parse.y" + { + _define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list)); + ;} + break; + + case 12: + +/* Line 1464 of yacc.c */ +#line 222 "glcpp/glcpp-parse.y" + { + _define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list)); + ;} + break; + + case 13: + +/* Line 1464 of yacc.c */ +#line 225 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str)); + if (macro) { + hash_table_remove (parser->defines, (yyvsp[(2) - (3)].str)); + talloc_free (macro); + } + talloc_free ((yyvsp[(2) - (3)].str)); + ;} + break; + + case 14: + +/* Line 1464 of yacc.c */ +#line 233 "glcpp/glcpp-parse.y" + { + /* Be careful to only evaluate the 'if' expression if + * we are not skipping. When we are skipping, we + * simply push a new 0-valued 'if' onto the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + _glcpp_parser_expand_if (parser, IF_EXPANDED, (yyvsp[(2) - (3)].token_list)); + } + else + { + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), 0); + parser->skip_stack->type = SKIP_TO_ENDIF; + } + ;} + break; + + case 15: + +/* Line 1464 of yacc.c */ +#line 252 "glcpp/glcpp-parse.y" + { + /* #if without an expression is only an error if we + * are not skipping */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + glcpp_error(& (yylsp[(1) - (2)]), parser, "#if with no expression"); + } + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (2)]), 0); + ;} + break; + + case 16: + +/* Line 1464 of yacc.c */ +#line 262 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); + talloc_free ((yyvsp[(2) - (4)].str)); + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro != NULL); + ;} + break; + + case 17: + +/* Line 1464 of yacc.c */ +#line 267 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); + talloc_free ((yyvsp[(2) - (4)].str)); + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro == NULL); + ;} + break; + + case 18: + +/* Line 1464 of yacc.c */ +#line 272 "glcpp/glcpp-parse.y" + { + /* Be careful to only evaluate the 'elif' expression + * if we are not skipping. When we are skipping, we + * simply change to a 0-valued 'elif' on the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + _glcpp_parser_expand_if (parser, ELIF_EXPANDED, (yyvsp[(2) - (3)].token_list)); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), + "elif", 0); + } + ;} + break; + + case 19: + +/* Line 1464 of yacc.c */ +#line 291 "glcpp/glcpp-parse.y" + { + /* #elif without an expression is an error unless we + * are skipping. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + glcpp_error(& (yylsp[(1) - (2)]), parser, "#elif with no expression"); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), + "elif", 0); + glcpp_warning(& (yylsp[(1) - (2)]), parser, "ignoring illegal #elif without expression"); + } + ;} + break; + + case 20: + +/* Line 1464 of yacc.c */ +#line 306 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1); + ;} + break; + + case 21: + +/* Line 1464 of yacc.c */ +#line 309 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)])); + ;} + break; + + case 22: + +/* Line 1464 of yacc.c */ +#line 312 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); + if (macro) { + hash_table_remove (parser->defines, "__VERSION__"); + talloc_free (macro); + } + add_builtin_define (parser, "__VERSION__", (yyvsp[(2) - (3)].ival)); + + if ((yyvsp[(2) - (3)].ival) == 100) + add_builtin_define (parser, "GL_ES", 1); + + glcpp_printf(parser->output, "#version %" PRIiMAX, (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 24: + +/* Line 1464 of yacc.c */ +#line 329 "glcpp/glcpp-parse.y" + { + if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16); + } else if ((yyvsp[(1) - (1)].str)[0] == '0') { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 8); + } else { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 10); + } + ;} + break; + + case 25: + +/* Line 1464 of yacc.c */ +#line 338 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (1)].ival); + ;} + break; + + case 27: + +/* Line 1464 of yacc.c */ +#line 344 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival); + ;} + break; + + case 28: + +/* Line 1464 of yacc.c */ +#line 347 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival); + ;} + break; + + case 29: + +/* Line 1464 of yacc.c */ +#line 350 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival); + ;} + break; + + case 30: + +/* Line 1464 of yacc.c */ +#line 353 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival); + ;} + break; + + case 31: + +/* Line 1464 of yacc.c */ +#line 356 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival); + ;} + break; + + case 32: + +/* Line 1464 of yacc.c */ +#line 359 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival); + ;} + break; + + case 33: + +/* Line 1464 of yacc.c */ +#line 362 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival); + ;} + break; + + case 34: + +/* Line 1464 of yacc.c */ +#line 365 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival); + ;} + break; + + case 35: + +/* Line 1464 of yacc.c */ +#line 368 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival); + ;} + break; + + case 36: + +/* Line 1464 of yacc.c */ +#line 371 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival); + ;} + break; + + case 37: + +/* Line 1464 of yacc.c */ +#line 374 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival); + ;} + break; + + case 38: + +/* Line 1464 of yacc.c */ +#line 377 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival); + ;} + break; + + case 39: + +/* Line 1464 of yacc.c */ +#line 380 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival); + ;} + break; + + case 40: + +/* Line 1464 of yacc.c */ +#line 383 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival); + ;} + break; + + case 41: + +/* Line 1464 of yacc.c */ +#line 386 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival); + ;} + break; + + case 42: + +/* Line 1464 of yacc.c */ +#line 389 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival); + ;} + break; + + case 43: + +/* Line 1464 of yacc.c */ +#line 392 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival); + ;} + break; + + case 44: + +/* Line 1464 of yacc.c */ +#line 395 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival); + ;} + break; + + case 45: + +/* Line 1464 of yacc.c */ +#line 398 "glcpp/glcpp-parse.y" + { + (yyval.ival) = ! (yyvsp[(2) - (2)].ival); + ;} + break; + + case 46: + +/* Line 1464 of yacc.c */ +#line 401 "glcpp/glcpp-parse.y" + { + (yyval.ival) = ~ (yyvsp[(2) - (2)].ival); + ;} + break; + + case 47: + +/* Line 1464 of yacc.c */ +#line 404 "glcpp/glcpp-parse.y" + { + (yyval.ival) = - (yyvsp[(2) - (2)].ival); + ;} + break; + + case 48: + +/* Line 1464 of yacc.c */ +#line 407 "glcpp/glcpp-parse.y" + { + (yyval.ival) = + (yyvsp[(2) - (2)].ival); + ;} + break; + + case 49: + +/* Line 1464 of yacc.c */ +#line 410 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(2) - (3)].ival); + ;} + break; + + case 50: + +/* Line 1464 of yacc.c */ +#line 416 "glcpp/glcpp-parse.y" + { + (yyval.string_list) = _string_list_create (parser); + _string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str)); + talloc_steal ((yyval.string_list), (yyvsp[(1) - (1)].str)); + ;} + break; + + case 51: + +/* Line 1464 of yacc.c */ +#line 421 "glcpp/glcpp-parse.y" + { + (yyval.string_list) = (yyvsp[(1) - (3)].string_list); + _string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str)); + talloc_steal ((yyval.string_list), (yyvsp[(3) - (3)].str)); + ;} + break; + + case 52: + +/* Line 1464 of yacc.c */ +#line 429 "glcpp/glcpp-parse.y" + { (yyval.token_list) = NULL; ;} + break; + + case 54: + +/* Line 1464 of yacc.c */ +#line 434 "glcpp/glcpp-parse.y" + { + yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #"); + ;} + break; + + case 55: + +/* Line 1464 of yacc.c */ +#line 440 "glcpp/glcpp-parse.y" + { (yyval.token_list) = NULL; ;} + break; + + case 58: + +/* Line 1464 of yacc.c */ +#line 446 "glcpp/glcpp-parse.y" + { + glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive"); + ;} + break; + + case 59: + +/* Line 1464 of yacc.c */ +#line 453 "glcpp/glcpp-parse.y" + { + int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0; + (yyval.token) = _token_create_ival (parser, INTEGER, v); + ;} + break; + + case 60: + +/* Line 1464 of yacc.c */ +#line 457 "glcpp/glcpp-parse.y" + { + int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0; + (yyval.token) = _token_create_ival (parser, INTEGER, v); + ;} + break; + + case 62: + +/* Line 1464 of yacc.c */ +#line 466 "glcpp/glcpp-parse.y" + { + parser->space_tokens = 1; + (yyval.token_list) = _token_list_create (parser); + _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); + talloc_unlink (parser, (yyvsp[(1) - (1)].token)); + ;} + break; + + case 63: + +/* Line 1464 of yacc.c */ +#line 472 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = (yyvsp[(1) - (2)].token_list); + _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); + talloc_unlink (parser, (yyvsp[(2) - (2)].token)); + ;} + break; + + case 64: + +/* Line 1464 of yacc.c */ +#line 480 "glcpp/glcpp-parse.y" + { + parser->space_tokens = 1; + (yyval.token_list) = _token_list_create (parser); + _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); + talloc_unlink (parser, (yyvsp[(1) - (1)].token)); + ;} + break; + + case 65: + +/* Line 1464 of yacc.c */ +#line 486 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = (yyvsp[(1) - (2)].token_list); + _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); + talloc_unlink (parser, (yyvsp[(2) - (2)].token)); + ;} + break; + + case 66: + +/* Line 1464 of yacc.c */ +#line 494 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 67: + +/* Line 1464 of yacc.c */ +#line 498 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 68: + +/* Line 1464 of yacc.c */ +#line 502 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival)); + (yyval.token)->location = yylloc; + ;} + break; + + case 69: + +/* Line 1464 of yacc.c */ +#line 506 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 70: + +/* Line 1464 of yacc.c */ +#line 510 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_ival (parser, SPACE, SPACE); + (yyval.token)->location = yylloc; + ;} + break; + + case 71: + +/* Line 1464 of yacc.c */ +#line 517 "glcpp/glcpp-parse.y" + { (yyval.ival) = '['; ;} + break; + + case 72: + +/* Line 1464 of yacc.c */ +#line 518 "glcpp/glcpp-parse.y" + { (yyval.ival) = ']'; ;} + break; + + case 73: + +/* Line 1464 of yacc.c */ +#line 519 "glcpp/glcpp-parse.y" + { (yyval.ival) = '('; ;} + break; + + case 74: + +/* Line 1464 of yacc.c */ +#line 520 "glcpp/glcpp-parse.y" + { (yyval.ival) = ')'; ;} + break; + + case 75: + +/* Line 1464 of yacc.c */ +#line 521 "glcpp/glcpp-parse.y" + { (yyval.ival) = '{'; ;} + break; + + case 76: + +/* Line 1464 of yacc.c */ +#line 522 "glcpp/glcpp-parse.y" + { (yyval.ival) = '}'; ;} + break; + + case 77: + +/* Line 1464 of yacc.c */ +#line 523 "glcpp/glcpp-parse.y" + { (yyval.ival) = '.'; ;} + break; + + case 78: + +/* Line 1464 of yacc.c */ +#line 524 "glcpp/glcpp-parse.y" + { (yyval.ival) = '&'; ;} + break; + + case 79: + +/* Line 1464 of yacc.c */ +#line 525 "glcpp/glcpp-parse.y" + { (yyval.ival) = '*'; ;} + break; + + case 80: + +/* Line 1464 of yacc.c */ +#line 526 "glcpp/glcpp-parse.y" + { (yyval.ival) = '+'; ;} + break; + + case 81: + +/* Line 1464 of yacc.c */ +#line 527 "glcpp/glcpp-parse.y" + { (yyval.ival) = '-'; ;} + break; + + case 82: + +/* Line 1464 of yacc.c */ +#line 528 "glcpp/glcpp-parse.y" + { (yyval.ival) = '~'; ;} + break; + + case 83: + +/* Line 1464 of yacc.c */ +#line 529 "glcpp/glcpp-parse.y" + { (yyval.ival) = '!'; ;} + break; + + case 84: + +/* Line 1464 of yacc.c */ +#line 530 "glcpp/glcpp-parse.y" + { (yyval.ival) = '/'; ;} + break; + + case 85: + +/* Line 1464 of yacc.c */ +#line 531 "glcpp/glcpp-parse.y" + { (yyval.ival) = '%'; ;} + break; + + case 86: + +/* Line 1464 of yacc.c */ +#line 532 "glcpp/glcpp-parse.y" + { (yyval.ival) = LEFT_SHIFT; ;} + break; + + case 87: + +/* Line 1464 of yacc.c */ +#line 533 "glcpp/glcpp-parse.y" + { (yyval.ival) = RIGHT_SHIFT; ;} + break; + + case 88: + +/* Line 1464 of yacc.c */ +#line 534 "glcpp/glcpp-parse.y" + { (yyval.ival) = '<'; ;} + break; + + case 89: + +/* Line 1464 of yacc.c */ +#line 535 "glcpp/glcpp-parse.y" + { (yyval.ival) = '>'; ;} + break; + + case 90: + +/* Line 1464 of yacc.c */ +#line 536 "glcpp/glcpp-parse.y" + { (yyval.ival) = LESS_OR_EQUAL; ;} + break; + + case 91: + +/* Line 1464 of yacc.c */ +#line 537 "glcpp/glcpp-parse.y" + { (yyval.ival) = GREATER_OR_EQUAL; ;} + break; + + case 92: + +/* Line 1464 of yacc.c */ +#line 538 "glcpp/glcpp-parse.y" + { (yyval.ival) = EQUAL; ;} + break; + + case 93: + +/* Line 1464 of yacc.c */ +#line 539 "glcpp/glcpp-parse.y" + { (yyval.ival) = NOT_EQUAL; ;} + break; + + case 94: + +/* Line 1464 of yacc.c */ +#line 540 "glcpp/glcpp-parse.y" + { (yyval.ival) = '^'; ;} + break; + + case 95: + +/* Line 1464 of yacc.c */ +#line 541 "glcpp/glcpp-parse.y" + { (yyval.ival) = '|'; ;} + break; + + case 96: + +/* Line 1464 of yacc.c */ +#line 542 "glcpp/glcpp-parse.y" + { (yyval.ival) = AND; ;} + break; + + case 97: + +/* Line 1464 of yacc.c */ +#line 543 "glcpp/glcpp-parse.y" + { (yyval.ival) = OR; ;} + break; + + case 98: + +/* Line 1464 of yacc.c */ +#line 544 "glcpp/glcpp-parse.y" + { (yyval.ival) = ';'; ;} + break; + + case 99: + +/* Line 1464 of yacc.c */ +#line 545 "glcpp/glcpp-parse.y" + { (yyval.ival) = ','; ;} + break; + + case 100: + +/* Line 1464 of yacc.c */ +#line 546 "glcpp/glcpp-parse.y" + { (yyval.ival) = '='; ;} + break; + + case 101: + +/* Line 1464 of yacc.c */ +#line 547 "glcpp/glcpp-parse.y" + { (yyval.ival) = PASTE; ;} + break; + + + +/* Line 1464 of yacc.c */ +#line 2656 "glcpp/glcpp-parse.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + *++yylsp = yyloc; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (&yylloc, parser, YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (&yylloc, parser, yymsg); + } + else + { + yyerror (&yylloc, parser, YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + yyerror_range[1] = yylloc; + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, &yylloc, parser); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + yyerror_range[1] = yylsp[1-yylen]; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + yyerror_range[1] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp, parser); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + yyerror_range[2] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the lookahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, yyerror_range, 2); + *++yylsp = yyloc; + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (&yylloc, parser, YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, &yylloc, parser); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp, parser); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1684 of yacc.c */ +#line 550 "glcpp/glcpp-parse.y" + + +string_list_t * +_string_list_create (void *ctx) +{ + string_list_t *list; + + list = talloc (ctx, string_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_string_list_append_item (string_list_t *list, const char *str) +{ + string_node_t *node; + + node = talloc (list, string_node_t); + node->str = talloc_strdup (node, str); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_string_list_contains (string_list_t *list, const char *member, int *index) +{ + string_node_t *node; + int i; + + if (list == NULL) + return 0; + + for (i = 0, node = list->head; node; i++, node = node->next) { + if (strcmp (node->str, member) == 0) { + if (index) + *index = i; + return 1; + } + } + + return 0; +} + +int +_string_list_length (string_list_t *list) +{ + int length = 0; + string_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +int +_string_list_equal (string_list_t *a, string_list_t *b) +{ + string_node_t *node_a, *node_b; + + if (a == NULL && b == NULL) + return 1; + + if (a == NULL || b == NULL) + return 0; + + for (node_a = a->head, node_b = b->head; + node_a && node_b; + node_a = node_a->next, node_b = node_b->next) + { + if (strcmp (node_a->str, node_b->str)) + return 0; + } + + /* Catch the case of lists being different lengths, (which + * would cause the loop above to terminate after the shorter + * list). */ + return node_a == node_b; +} + +argument_list_t * +_argument_list_create (void *ctx) +{ + argument_list_t *list; + + list = talloc (ctx, argument_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_argument_list_append (argument_list_t *list, token_list_t *argument) +{ + argument_node_t *node; + + node = talloc (list, argument_node_t); + node->argument = argument; + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_argument_list_length (argument_list_t *list) +{ + int length = 0; + argument_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +token_list_t * +_argument_list_member_at (argument_list_t *list, int index) +{ + argument_node_t *node; + int i; + + if (list == NULL) + return NULL; + + node = list->head; + for (i = 0; i < index; i++) { + node = node->next; + if (node == NULL) + break; + } + + if (node) + return node->argument; + + return NULL; +} + +/* Note: This function talloc_steal()s the str pointer. */ +token_t * +_token_create_str (void *ctx, int type, char *str) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.str = talloc_steal (token, str); + + return token; +} + +token_t * +_token_create_ival (void *ctx, int type, int ival) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.ival = ival; + + return token; +} + +token_list_t * +_token_list_create (void *ctx) +{ + token_list_t *list; + + list = talloc (ctx, token_list_t); + list->head = NULL; + list->tail = NULL; + list->non_space_tail = NULL; + + return list; +} + +void +_token_list_append (token_list_t *list, token_t *token) +{ + token_node_t *node; + + node = talloc (list, token_node_t); + node->token = talloc_reference (list, token); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; + if (token->type != SPACE) + list->non_space_tail = node; +} + +void +_token_list_append_list (token_list_t *list, token_list_t *tail) +{ + if (tail == NULL || tail->head == NULL) + return; + + if (list->head == NULL) { + list->head = tail->head; + } else { + list->tail->next = tail->head; + } + + list->tail = tail->tail; + list->non_space_tail = tail->non_space_tail; +} + +static token_list_t * +_token_list_copy (void *ctx, token_list_t *other) +{ + token_list_t *copy; + token_node_t *node; + + if (other == NULL) + return NULL; + + copy = _token_list_create (ctx); + for (node = other->head; node; node = node->next) + _token_list_append (copy, node->token); + + return copy; +} + +static void +_token_list_trim_trailing_space (token_list_t *list) +{ + token_node_t *tail, *next; + + if (list->non_space_tail) { + tail = list->non_space_tail->next; + list->non_space_tail->next = NULL; + list->tail = list->non_space_tail; + + while (tail) { + next = tail->next; + talloc_free (tail); + tail = next; + } + } +} + +int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b) +{ + token_node_t *node_a, *node_b; + + node_a = a->head; + node_b = b->head; + + while (1) + { + if (node_a == NULL && node_b == NULL) + break; + + if (node_a == NULL || node_b == NULL) + return 0; + + if (node_a->token->type == SPACE) { + node_a = node_a->next; + continue; + } + + if (node_b->token->type == SPACE) { + node_b = node_b->next; + continue; + } + + if (node_a->token->type != node_b->token->type) + return 0; + + switch (node_a->token->type) { + case INTEGER: + if (node_a->token->value.ival != + node_b->token->value.ival) + { + return 0; + } + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + if (strcmp (node_a->token->value.str, + node_b->token->value.str)) + { + return 0; + } + break; + } + + node_a = node_a->next; + node_b = node_b->next; + } + + return 1; +} + +static void +_token_print (char **out, token_t *token) +{ + if (token->type < 256) { + glcpp_printf (*out, "%c", token->type); + return; + } + + switch (token->type) { + case INTEGER: + glcpp_printf (*out, "%" PRIiMAX, token->value.ival); + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + glcpp_print (*out, token->value.str); + break; + case SPACE: + glcpp_print (*out, " "); + break; + case LEFT_SHIFT: + glcpp_print (*out, "<<"); + break; + case RIGHT_SHIFT: + glcpp_print (*out, ">>"); + break; + case LESS_OR_EQUAL: + glcpp_print (*out, "<="); + break; + case GREATER_OR_EQUAL: + glcpp_print (*out, ">="); + break; + case EQUAL: + glcpp_print (*out, "=="); + break; + case NOT_EQUAL: + glcpp_print (*out, "!="); + break; + case AND: + glcpp_print (*out, "&&"); + break; + case OR: + glcpp_print (*out, "||"); + break; + case PASTE: + glcpp_print (*out, "##"); + break; + case COMMA_FINAL: + glcpp_print (*out, ","); + break; + case PLACEHOLDER: + /* Nothing to print. */ + break; + default: + assert(!"Error: Don't know how to print token."); + break; + } +} + +/* Return a new token (talloc()ed off of 'token') formed by pasting + * 'token' and 'other'. Note that this function may return 'token' or + * 'other' directly rather than allocating anything new. + * + * Caution: Only very cursory error-checking is performed to see if + * the final result is a valid single token. */ +static token_t * +_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) +{ + token_t *combined = NULL; + + /* Pasting a placeholder onto anything makes no change. */ + if (other->type == PLACEHOLDER) + return token; + + /* When 'token' is a placeholder, just return 'other'. */ + if (token->type == PLACEHOLDER) + return other; + + /* A very few single-character punctuators can be combined + * with another to form a multi-character punctuator. */ + switch (token->type) { + case '<': + if (other->type == '<') + combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); + break; + case '>': + if (other->type == '>') + combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); + break; + case '=': + if (other->type == '=') + combined = _token_create_ival (token, EQUAL, EQUAL); + break; + case '!': + if (other->type == '=') + combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); + break; + case '&': + if (other->type == '&') + combined = _token_create_ival (token, AND, AND); + break; + case '|': + if (other->type == '|') + combined = _token_create_ival (token, OR, OR); + break; + } + + if (combined != NULL) { + /* Inherit the location from the first token */ + combined->location = token->location; + return combined; + } + + /* Two string-valued tokens can usually just be mashed + * together. + * + * XXX: This isn't actually legitimate. Several things here + * should result in a diagnostic since the result cannot be a + * valid, single pre-processing token. For example, pasting + * "123" and "abc" is not legal, but we don't catch that + * here. */ + if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && + (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) + { + char *str; + + str = talloc_asprintf (token, "%s%s", token->value.str, + other->value.str); + combined = _token_create_str (token, token->type, str); + combined->location = token->location; + return combined; + } + + glcpp_error (&token->location, parser, ""); + glcpp_print (parser->info_log, "Pasting \""); + _token_print (&parser->info_log, token); + glcpp_print (parser->info_log, "\" and \""); + _token_print (&parser->info_log, other); + glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); + + return token; +} + +static void +_token_list_print (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + if (list == NULL) + return; + + for (node = list->head; node; node = node->next) + _token_print (&parser->output, node->token); +} + +void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) +{ + glcpp_error(locp, parser, "%s", error); +} + +static void add_builtin_define(glcpp_parser_t *parser, + const char *name, int value) +{ + token_t *tok; + token_list_t *list; + + tok = _token_create_ival (parser, INTEGER, value); + + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, name, list); + + talloc_unlink(parser, tok); +} + +glcpp_parser_t * +glcpp_parser_create (const struct gl_extensions *extensions, int api) +{ + glcpp_parser_t *parser; + int language_version; + + parser = talloc (NULL, glcpp_parser_t); + + glcpp_lex_init_extra (parser, &parser->scanner); + parser->defines = hash_table_ctor (32, hash_table_string_hash, + hash_table_string_compare); + parser->active = NULL; + parser->lexing_if = 0; + parser->space_tokens = 1; + parser->newline_as_space = 0; + parser->in_control_line = 0; + parser->paren_count = 0; + + parser->skip_stack = NULL; + + parser->lex_from_list = NULL; + parser->lex_from_node = NULL; + + parser->output = talloc_strdup(parser, ""); + parser->info_log = talloc_strdup(parser, ""); + parser->error = 0; + + /* Add pre-defined macros. */ + add_builtin_define(parser, "GL_ARB_draw_buffers", 1); + add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); + + if (api == API_OPENGLES2) + add_builtin_define(parser, "GL_ES", 1); + + if (extensions != NULL) { + if (extensions->EXT_texture_array) { + add_builtin_define(parser, "GL_EXT_texture_array", 1); + } + + if (extensions->ARB_fragment_coord_conventions) + add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", + 1); + } + + language_version = 110; + add_builtin_define(parser, "__VERSION__", language_version); + + return parser; +} + +int +glcpp_parser_parse (glcpp_parser_t *parser) +{ + return yyparse (parser); +} + +void +glcpp_parser_destroy (glcpp_parser_t *parser) +{ + glcpp_lex_destroy (parser->scanner); + hash_table_dtor (parser->defines); + talloc_free (parser); +} + +typedef enum function_status +{ + FUNCTION_STATUS_SUCCESS, + FUNCTION_NOT_A_FUNCTION, + FUNCTION_UNBALANCED_PARENTHESES +} function_status_t; + +/* Find a set of function-like macro arguments by looking for a + * balanced set of parentheses. + * + * When called, 'node' should be the opening-parenthesis token, (or + * perhaps preceeding SPACE tokens). Upon successful return *last will + * be the last consumed node, (corresponding to the closing right + * parenthesis). + * + * Return values: + * + * FUNCTION_STATUS_SUCCESS: + * + * Successfully parsed a set of function arguments. + * + * FUNCTION_NOT_A_FUNCTION: + * + * Macro name not followed by a '('. This is not an error, but + * simply that the macro name should be treated as a non-macro. + * + * FUNCTION_UNBALANCED_PARENTHESES + * + * Macro name is not followed by a balanced set of parentheses. + */ +static function_status_t +_arguments_parse (argument_list_t *arguments, + token_node_t *node, + token_node_t **last) +{ + token_list_t *argument; + int paren_count; + + node = node->next; + + /* Ignore whitespace before first parenthesis. */ + while (node && node->token->type == SPACE) + node = node->next; + + if (node == NULL || node->token->type != '(') + return FUNCTION_NOT_A_FUNCTION; + + node = node->next; + + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + + for (paren_count = 1; node; node = node->next) { + if (node->token->type == '(') + { + paren_count++; + } + else if (node->token->type == ')') + { + paren_count--; + if (paren_count == 0) + break; + } + + if (node->token->type == ',' && + paren_count == 1) + { + _token_list_trim_trailing_space (argument); + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + } + else { + if (argument->head == NULL) { + /* Don't treat initial whitespace as + * part of the arguement. */ + if (node->token->type == SPACE) + continue; + } + _token_list_append (argument, node->token); + } + } + + if (paren_count) + return FUNCTION_UNBALANCED_PARENTHESES; + + *last = node; + + return FUNCTION_STATUS_SUCCESS; +} + +static token_list_t * +_token_list_create_with_one_space (void *ctx) +{ + token_list_t *list; + token_t *space; + + list = _token_list_create (ctx); + space = _token_create_ival (list, SPACE, SPACE); + _token_list_append (list, space); + + return list; +} + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list) +{ + token_list_t *expanded; + token_t *token; + + expanded = _token_list_create (parser); + token = _token_create_ival (parser, type, type); + _token_list_append (expanded, token); + _glcpp_parser_expand_token_list (parser, list); + _token_list_append_list (expanded, list); + glcpp_parser_lex_from (parser, expanded); +} + +/* This is a helper function that's essentially part of the + * implementation of _glcpp_parser_expand_node. It shouldn't be called + * except for by that function. + * + * Returns NULL if node is a simple token with no expansion, (that is, + * although 'node' corresponds to an identifier defined as a + * function-like macro, it is not followed with a parenthesized + * argument list). + * + * Compute the complete expansion of node (which is a function-like + * macro) and subsequent nodes which are arguments. + * + * Returns the token list that results from the expansion and sets + * *last to the last node in the list that was consumed by the + * expansion. Specifically, *last will be set as follows: as the + * token of the closing right parenthesis. + */ +static token_list_t * +_glcpp_parser_expand_function (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) + +{ + macro_t *macro; + const char *identifier; + argument_list_t *arguments; + function_status_t status; + token_list_t *substituted; + int parameter_index; + + identifier = node->token->value.str; + + macro = hash_table_find (parser->defines, identifier); + + assert (macro->is_function); + + arguments = _argument_list_create (parser); + status = _arguments_parse (arguments, node, last); + + switch (status) { + case FUNCTION_STATUS_SUCCESS: + break; + case FUNCTION_NOT_A_FUNCTION: + return NULL; + case FUNCTION_UNBALANCED_PARENTHESES: + glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); + return NULL; + } + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) { + talloc_free (arguments); + return _token_list_create_with_one_space (parser); + } + + if (! ((_argument_list_length (arguments) == + _string_list_length (macro->parameters)) || + (_string_list_length (macro->parameters) == 0 && + _argument_list_length (arguments) == 1 && + arguments->head->argument->head == NULL))) + { + glcpp_error (&node->token->location, parser, + "Error: macro %s invoked with %d arguments (expected %d)\n", + identifier, + _argument_list_length (arguments), + _string_list_length (macro->parameters)); + return NULL; + } + + /* Perform argument substitution on the replacement list. */ + substituted = _token_list_create (arguments); + + for (node = macro->replacements->head; node; node = node->next) + { + if (node->token->type == IDENTIFIER && + _string_list_contains (macro->parameters, + node->token->value.str, + ¶meter_index)) + { + token_list_t *argument; + argument = _argument_list_member_at (arguments, + parameter_index); + /* Before substituting, we expand the argument + * tokens, or append a placeholder token for + * an empty argument. */ + if (argument->head) { + token_list_t *expanded_argument; + expanded_argument = _token_list_copy (parser, + argument); + _glcpp_parser_expand_token_list (parser, + expanded_argument); + _token_list_append_list (substituted, + expanded_argument); + } else { + token_t *new_token; + + new_token = _token_create_ival (substituted, + PLACEHOLDER, + PLACEHOLDER); + _token_list_append (substituted, new_token); + } + } else { + _token_list_append (substituted, node->token); + } + } + + /* After argument substitution, and before further expansion + * below, implement token pasting. */ + + _token_list_trim_trailing_space (substituted); + + node = substituted->head; + while (node) + { + token_node_t *next_non_space; + + /* Look ahead for a PASTE token, skipping space. */ + next_non_space = node->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) + break; + + if (next_non_space->token->type != PASTE) { + node = next_non_space; + continue; + } + + /* Now find the next non-space token after the PASTE. */ + next_non_space = next_non_space->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) { + yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); + return NULL; + } + + node->token = _token_paste (parser, node->token, next_non_space->token); + node->next = next_non_space->next; + if (next_non_space == substituted->tail) + substituted->tail = node; + + node = node->next; + } + + substituted->non_space_tail = substituted->tail; + + return substituted; +} + +/* Compute the complete expansion of node, (and subsequent nodes after + * 'node' in the case that 'node' is a function-like macro and + * subsequent nodes are arguments). + * + * Returns NULL if node is a simple token with no expansion. + * + * Otherwise, returns the token list that results from the expansion + * and sets *last to the last node in the list that was consumed by + * the expansion. Specifically, *last will be set as follows: + * + * As 'node' in the case of object-like macro expansion. + * + * As the token of the closing right parenthesis in the case of + * function-like macro expansion. + */ +static token_list_t * +_glcpp_parser_expand_node (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) +{ + token_t *token = node->token; + const char *identifier; + macro_t *macro; + + /* We only expand identifiers */ + if (token->type != IDENTIFIER) { + /* We change any COMMA into a COMMA_FINAL to prevent + * it being mistaken for an argument separator + * later. */ + if (token->type == ',') { + token->type = COMMA_FINAL; + token->value.ival = COMMA_FINAL; + } + + return NULL; + } + + /* Look up this identifier in the hash table. */ + identifier = token->value.str; + macro = hash_table_find (parser->defines, identifier); + + /* Not a macro, so no expansion needed. */ + if (macro == NULL) + return NULL; + + /* Finally, don't expand this macro if we're already actively + * expanding it, (to avoid infinite recursion). */ + if (_active_list_contains (parser->active, identifier)) { + /* We change the token type here from IDENTIFIER to + * OTHER to prevent any future expansion of this + * unexpanded token. */ + char *str; + token_list_t *expansion; + token_t *final; + + str = talloc_strdup (parser, token->value.str); + final = _token_create_str (parser, OTHER, str); + expansion = _token_list_create (parser); + _token_list_append (expansion, final); + *last = node; + return expansion; + } + + if (! macro->is_function) + { + *last = node; + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) + return _token_list_create_with_one_space (parser); + + return _token_list_copy (parser, macro->replacements); + } + + return _glcpp_parser_expand_function (parser, node, last); +} + +/* Push a new identifier onto the active list, returning the new list. + * + * Here, 'marker' is the token node that appears in the list after the + * expansion of 'identifier'. That is, when the list iterator begins + * examinging 'marker', then it is time to pop this node from the + * active stack. + */ +active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker) +{ + active_list_t *node; + + node = talloc (list, active_list_t); + node->identifier = talloc_strdup (node, identifier); + node->marker = marker; + node->next = list; + + return node; +} + +active_list_t * +_active_list_pop (active_list_t *list) +{ + active_list_t *node = list; + + if (node == NULL) + return NULL; + + node = list->next; + talloc_free (list); + + return node; +} + +int +_active_list_contains (active_list_t *list, const char *identifier) +{ + active_list_t *node; + + if (list == NULL) + return 0; + + for (node = list; node; node = node->next) + if (strcmp (node->identifier, identifier) == 0) + return 1; + + return 0; +} + +/* Walk over the token list replacing nodes with their expansion. + * Whenever nodes are expanded the walking will walk over the new + * nodes, continuing to expand as necessary. The results are placed in + * 'list' itself; + */ +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + token_node_t *node_prev; + token_node_t *node, *last = NULL; + token_list_t *expansion; + + if (list == NULL) + return; + + _token_list_trim_trailing_space (list); + + node_prev = NULL; + node = list->head; + + while (node) { + + while (parser->active && parser->active->marker == node) + parser->active = _active_list_pop (parser->active); + + /* Find the expansion for node, which will replace all + * nodes from node to last, inclusive. */ + expansion = _glcpp_parser_expand_node (parser, node, &last); + if (expansion) { + token_node_t *n; + + for (n = node; n != last->next; n = n->next) + while (parser->active && + parser->active->marker == n) + { + parser->active = _active_list_pop (parser->active); + } + + parser->active = _active_list_push (parser->active, + node->token->value.str, + last->next); + + /* Splice expansion into list, supporting a + * simple deletion if the expansion is + * empty. */ + if (expansion->head) { + if (node_prev) + node_prev->next = expansion->head; + else + list->head = expansion->head; + expansion->tail->next = last->next; + if (last == list->tail) + list->tail = expansion->tail; + } else { + if (node_prev) + node_prev->next = last->next; + else + list->head = last->next; + if (last == list->tail) + list->tail = NULL; + } + } else { + node_prev = node; + } + node = node_prev ? node_prev->next : list->head; + } + + while (parser->active) + parser->active = _active_list_pop (parser->active); + + list->non_space_tail = list->tail; +} + +void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + if (list == NULL) + return; + + _glcpp_parser_expand_token_list (parser, list); + + _token_list_trim_trailing_space (list); + + _token_list_print (parser, list); +} + +static void +_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, + const char *identifier) +{ + /* According to the GLSL specification, macro names starting with "__" + * or "GL_" are reserved for future use. So, don't allow them. + */ + if (strncmp(identifier, "__", 2) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); + } + if (strncmp(identifier, "GL_", 3) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); + } +} + +static int +_macro_equal (macro_t *a, macro_t *b) +{ + if (a->is_function != b->is_function) + return 0; + + if (a->is_function) { + if (! _string_list_equal (a->parameters, b->parameters)) + return 0; + } + + return _token_list_equal_ignoring_space (a->replacements, + b->replacements); +} + +void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + if (loc != NULL) + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 0; + macro->parameters = NULL; + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + string_list_t *parameters, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 1; + macro->parameters = talloc_steal (macro, parameters); + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) +{ + token_node_t *node; + int ret; + + if (parser->lex_from_list == NULL) { + ret = glcpp_lex (yylval, yylloc, parser->scanner); + + /* XXX: This ugly block of code exists for the sole + * purpose of converting a NEWLINE token into a SPACE + * token, but only in the case where we have seen a + * function-like macro name, but have not yet seen its + * closing parenthesis. + * + * There's perhaps a more compact way to do this with + * mid-rule actions in the grammar. + * + * I'm definitely not pleased with the complexity of + * this code here. + */ + if (parser->newline_as_space) + { + if (ret == '(') { + parser->paren_count++; + } else if (ret == ')') { + parser->paren_count--; + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } else if (ret == NEWLINE) { + ret = SPACE; + } else if (ret != SPACE) { + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } + } + else if (parser->in_control_line) + { + if (ret == NEWLINE) + parser->in_control_line = 0; + } + else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || + ret == HASH_UNDEF || ret == HASH_IF || + ret == HASH_IFDEF || ret == HASH_IFNDEF || + ret == HASH_ELIF || ret == HASH_ELSE || + ret == HASH_ENDIF || ret == HASH) + { + parser->in_control_line = 1; + } + else if (ret == IDENTIFIER) + { + macro_t *macro; + macro = hash_table_find (parser->defines, + yylval->str); + if (macro && macro->is_function) { + parser->newline_as_space = 1; + parser->paren_count = 0; + } + } + + return ret; + } + + node = parser->lex_from_node; + + if (node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + return NEWLINE; + } + + *yylval = node->token->value; + ret = node->token->type; + + parser->lex_from_node = node->next; + + return ret; +} + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + assert (parser->lex_from_list == NULL); + + /* Copy list, eliminating any space tokens. */ + parser->lex_from_list = _token_list_create (parser); + + for (node = list->head; node; node = node->next) { + if (node->token->type == SPACE) + continue; + _token_list_append (parser->lex_from_list, node->token); + } + + talloc_free (list); + + parser->lex_from_node = parser->lex_from_list->head; + + /* It's possible the list consisted of nothing but whitespace. */ + if (parser->lex_from_node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + } +} + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition) +{ + skip_type_t current = SKIP_NO_SKIP; + skip_node_t *node; + + if (parser->skip_stack) + current = parser->skip_stack->type; + + node = talloc (parser, skip_node_t); + node->loc = *loc; + + if (current == SKIP_NO_SKIP) { + if (condition) + node->type = SKIP_NO_SKIP; + else + node->type = SKIP_TO_ELSE; + } else { + node->type = SKIP_TO_ENDIF; + } + + node->next = parser->skip_stack; + parser->skip_stack = node; +} + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition) +{ + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "%s without #if\n", type); + return; + } + + if (parser->skip_stack->type == SKIP_TO_ELSE) { + if (condition) + parser->skip_stack->type = SKIP_NO_SKIP; + } else { + parser->skip_stack->type = SKIP_TO_ENDIF; + } +} + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) +{ + skip_node_t *node; + + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "#endif without #if\n"); + return; + } + + node = parser->skip_stack; + parser->skip_stack = node->next; + talloc_free (node); +} + diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.h b/mesalib/src/glsl/glcpp/glcpp-parse.h new file mode 100644 index 000000000..40556854f --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp-parse.h @@ -0,0 +1,100 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton interface for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + COMMA_FINAL = 258, + DEFINED = 259, + ELIF_EXPANDED = 260, + HASH = 261, + HASH_DEFINE_FUNC = 262, + HASH_DEFINE_OBJ = 263, + HASH_ELIF = 264, + HASH_ELSE = 265, + HASH_ENDIF = 266, + HASH_IF = 267, + HASH_IFDEF = 268, + HASH_IFNDEF = 269, + HASH_UNDEF = 270, + HASH_VERSION = 271, + IDENTIFIER = 272, + IF_EXPANDED = 273, + INTEGER = 274, + INTEGER_STRING = 275, + NEWLINE = 276, + OTHER = 277, + PLACEHOLDER = 278, + SPACE = 279, + PASTE = 280, + OR = 281, + AND = 282, + NOT_EQUAL = 283, + EQUAL = 284, + GREATER_OR_EQUAL = 285, + LESS_OR_EQUAL = 286, + RIGHT_SHIFT = 287, + LEFT_SHIFT = 288, + UNARY = 289 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED + +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + + diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y new file mode 100644 index 000000000..43513ebb6 --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp-parse.y @@ -0,0 +1,1858 @@ +%{ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <inttypes.h> + +#include "glcpp.h" +#include "main/core.h" /* for struct gl_extensions */ +#include "main/mtypes.h" /* for gl_api enum */ + +#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) +#define glcpp_printf(stream, fmt, args, ...) \ + stream = talloc_asprintf_append(stream, fmt, args) + +static void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); + +static void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + token_list_t *replacements); + +static void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + string_list_t *parameters, + token_list_t *replacements); + +static string_list_t * +_string_list_create (void *ctx); + +static void +_string_list_append_item (string_list_t *list, const char *str); + +static int +_string_list_contains (string_list_t *list, const char *member, int *index); + +static int +_string_list_length (string_list_t *list); + +static int +_string_list_equal (string_list_t *a, string_list_t *b); + +static argument_list_t * +_argument_list_create (void *ctx); + +static void +_argument_list_append (argument_list_t *list, token_list_t *argument); + +static int +_argument_list_length (argument_list_t *list); + +static token_list_t * +_argument_list_member_at (argument_list_t *list, int index); + +/* Note: This function talloc_steal()s the str pointer. */ +static token_t * +_token_create_str (void *ctx, int type, char *str); + +static token_t * +_token_create_ival (void *ctx, int type, int ival); + +static token_list_t * +_token_list_create (void *ctx); + +/* Note: This function adds a talloc_reference() to token. + * + * You may want to talloc_unlink any current reference if you no + * longer need it. */ +static void +_token_list_append (token_list_t *list, token_t *token); + +static void +_token_list_append_list (token_list_t *list, token_list_t *tail); + +static int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b); + +static active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker); + +static active_list_t * +_active_list_pop (active_list_t *list); + +int +_active_list_contains (active_list_t *list, const char *identifier); + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list); + +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition); + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition); + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); + +#define yylex glcpp_parser_lex + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); + +static void +add_builtin_define(glcpp_parser_t *parser, const char *name, int value); + +%} + +%pure-parser +%error-verbose + +%locations +%initial-action { + @$.first_line = 1; + @$.first_column = 1; + @$.last_line = 1; + @$.last_column = 1; + @$.source = 0; +} + +%parse-param {glcpp_parser_t *parser} +%lex-param {glcpp_parser_t *parser} + +%expect 0 +%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE +%token PASTE +%type <ival> expression INTEGER operator SPACE integer_constant +%type <str> IDENTIFIER INTEGER_STRING OTHER +%type <string_list> identifier_list +%type <token> preprocessing_token conditional_token +%type <token_list> pp_tokens replacement_list text_line conditional_tokens +%left OR +%left AND +%left '|' +%left '^' +%left '&' +%left EQUAL NOT_EQUAL +%left '<' '>' LESS_OR_EQUAL GREATER_OR_EQUAL +%left LEFT_SHIFT RIGHT_SHIFT +%left '+' '-' +%left '*' '/' '%' +%right UNARY + +%% + +input: + /* empty */ +| input line +; + +line: + control_line { + glcpp_print(parser->output, "\n"); + } +| text_line { + _glcpp_parser_print_expanded_token_list (parser, $1); + glcpp_print(parser->output, "\n"); + talloc_free ($1); + } +| expanded_line +| HASH non_directive +; + +expanded_line: + IF_EXPANDED expression NEWLINE { + _glcpp_parser_skip_stack_push_if (parser, & @1, $2); + } +| ELIF_EXPANDED expression NEWLINE { + _glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2); + } +; + +control_line: + HASH_DEFINE_OBJ IDENTIFIER replacement_list NEWLINE { + _define_object_macro (parser, & @2, $2, $3); + } +| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE { + _define_function_macro (parser, & @2, $2, NULL, $5); + } +| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE { + _define_function_macro (parser, & @2, $2, $4, $6); + } +| HASH_UNDEF IDENTIFIER NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $2); + if (macro) { + hash_table_remove (parser->defines, $2); + talloc_free (macro); + } + talloc_free ($2); + } +| HASH_IF conditional_tokens NEWLINE { + /* Be careful to only evaluate the 'if' expression if + * we are not skipping. When we are skipping, we + * simply push a new 0-valued 'if' onto the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + _glcpp_parser_expand_if (parser, IF_EXPANDED, $2); + } + else + { + _glcpp_parser_skip_stack_push_if (parser, & @1, 0); + parser->skip_stack->type = SKIP_TO_ENDIF; + } + } +| HASH_IF NEWLINE { + /* #if without an expression is only an error if we + * are not skipping */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + glcpp_error(& @1, parser, "#if with no expression"); + } + _glcpp_parser_skip_stack_push_if (parser, & @1, 0); + } +| HASH_IFDEF IDENTIFIER junk NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $2); + talloc_free ($2); + _glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL); + } +| HASH_IFNDEF IDENTIFIER junk NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $2); + talloc_free ($2); + _glcpp_parser_skip_stack_push_if (parser, & @1, macro == NULL); + } +| HASH_ELIF conditional_tokens NEWLINE { + /* Be careful to only evaluate the 'elif' expression + * if we are not skipping. When we are skipping, we + * simply change to a 0-valued 'elif' on the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & @1, + "elif", 0); + } + } +| HASH_ELIF NEWLINE { + /* #elif without an expression is an error unless we + * are skipping. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + glcpp_error(& @1, parser, "#elif with no expression"); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & @1, + "elif", 0); + glcpp_warning(& @1, parser, "ignoring illegal #elif without expression"); + } + } +| HASH_ELSE NEWLINE { + _glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1); + } +| HASH_ENDIF NEWLINE { + _glcpp_parser_skip_stack_pop (parser, & @1); + } +| HASH_VERSION integer_constant NEWLINE { + macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); + if (macro) { + hash_table_remove (parser->defines, "__VERSION__"); + talloc_free (macro); + } + add_builtin_define (parser, "__VERSION__", $2); + + if ($2 == 100) + add_builtin_define (parser, "GL_ES", 1); + + glcpp_printf(parser->output, "#version %" PRIiMAX, $2); + } +| HASH NEWLINE +; + +integer_constant: + INTEGER_STRING { + if (strlen ($1) >= 3 && strncmp ($1, "0x", 2) == 0) { + $$ = strtoll ($1 + 2, NULL, 16); + } else if ($1[0] == '0') { + $$ = strtoll ($1, NULL, 8); + } else { + $$ = strtoll ($1, NULL, 10); + } + } +| INTEGER { + $$ = $1; + } + +expression: + integer_constant +| expression OR expression { + $$ = $1 || $3; + } +| expression AND expression { + $$ = $1 && $3; + } +| expression '|' expression { + $$ = $1 | $3; + } +| expression '^' expression { + $$ = $1 ^ $3; + } +| expression '&' expression { + $$ = $1 & $3; + } +| expression NOT_EQUAL expression { + $$ = $1 != $3; + } +| expression EQUAL expression { + $$ = $1 == $3; + } +| expression GREATER_OR_EQUAL expression { + $$ = $1 >= $3; + } +| expression LESS_OR_EQUAL expression { + $$ = $1 <= $3; + } +| expression '>' expression { + $$ = $1 > $3; + } +| expression '<' expression { + $$ = $1 < $3; + } +| expression RIGHT_SHIFT expression { + $$ = $1 >> $3; + } +| expression LEFT_SHIFT expression { + $$ = $1 << $3; + } +| expression '-' expression { + $$ = $1 - $3; + } +| expression '+' expression { + $$ = $1 + $3; + } +| expression '%' expression { + $$ = $1 % $3; + } +| expression '/' expression { + $$ = $1 / $3; + } +| expression '*' expression { + $$ = $1 * $3; + } +| '!' expression %prec UNARY { + $$ = ! $2; + } +| '~' expression %prec UNARY { + $$ = ~ $2; + } +| '-' expression %prec UNARY { + $$ = - $2; + } +| '+' expression %prec UNARY { + $$ = + $2; + } +| '(' expression ')' { + $$ = $2; + } +; + +identifier_list: + IDENTIFIER { + $$ = _string_list_create (parser); + _string_list_append_item ($$, $1); + talloc_steal ($$, $1); + } +| identifier_list ',' IDENTIFIER { + $$ = $1; + _string_list_append_item ($$, $3); + talloc_steal ($$, $3); + } +; + +text_line: + NEWLINE { $$ = NULL; } +| pp_tokens NEWLINE +; + +non_directive: + pp_tokens NEWLINE { + yyerror (& @1, parser, "Invalid tokens after #"); + } +; + +replacement_list: + /* empty */ { $$ = NULL; } +| pp_tokens +; + +junk: + /* empty */ +| pp_tokens { + glcpp_warning(&@1, parser, "extra tokens at end of directive"); + } +; + +conditional_token: + /* Handle "defined" operator */ + DEFINED IDENTIFIER { + int v = hash_table_find (parser->defines, $2) ? 1 : 0; + $$ = _token_create_ival (parser, INTEGER, v); + } +| DEFINED '(' IDENTIFIER ')' { + int v = hash_table_find (parser->defines, $3) ? 1 : 0; + $$ = _token_create_ival (parser, INTEGER, v); + } +| preprocessing_token +; + +conditional_tokens: + /* Exactly the same as pp_tokens, but using conditional_token */ + conditional_token { + parser->space_tokens = 1; + $$ = _token_list_create (parser); + _token_list_append ($$, $1); + talloc_unlink (parser, $1); + } +| conditional_tokens conditional_token { + $$ = $1; + _token_list_append ($$, $2); + talloc_unlink (parser, $2); + } +; + +pp_tokens: + preprocessing_token { + parser->space_tokens = 1; + $$ = _token_list_create (parser); + _token_list_append ($$, $1); + talloc_unlink (parser, $1); + } +| pp_tokens preprocessing_token { + $$ = $1; + _token_list_append ($$, $2); + talloc_unlink (parser, $2); + } +; + +preprocessing_token: + IDENTIFIER { + $$ = _token_create_str (parser, IDENTIFIER, $1); + $$->location = yylloc; + } +| INTEGER_STRING { + $$ = _token_create_str (parser, INTEGER_STRING, $1); + $$->location = yylloc; + } +| operator { + $$ = _token_create_ival (parser, $1, $1); + $$->location = yylloc; + } +| OTHER { + $$ = _token_create_str (parser, OTHER, $1); + $$->location = yylloc; + } +| SPACE { + $$ = _token_create_ival (parser, SPACE, SPACE); + $$->location = yylloc; + } +; + +operator: + '[' { $$ = '['; } +| ']' { $$ = ']'; } +| '(' { $$ = '('; } +| ')' { $$ = ')'; } +| '{' { $$ = '{'; } +| '}' { $$ = '}'; } +| '.' { $$ = '.'; } +| '&' { $$ = '&'; } +| '*' { $$ = '*'; } +| '+' { $$ = '+'; } +| '-' { $$ = '-'; } +| '~' { $$ = '~'; } +| '!' { $$ = '!'; } +| '/' { $$ = '/'; } +| '%' { $$ = '%'; } +| LEFT_SHIFT { $$ = LEFT_SHIFT; } +| RIGHT_SHIFT { $$ = RIGHT_SHIFT; } +| '<' { $$ = '<'; } +| '>' { $$ = '>'; } +| LESS_OR_EQUAL { $$ = LESS_OR_EQUAL; } +| GREATER_OR_EQUAL { $$ = GREATER_OR_EQUAL; } +| EQUAL { $$ = EQUAL; } +| NOT_EQUAL { $$ = NOT_EQUAL; } +| '^' { $$ = '^'; } +| '|' { $$ = '|'; } +| AND { $$ = AND; } +| OR { $$ = OR; } +| ';' { $$ = ';'; } +| ',' { $$ = ','; } +| '=' { $$ = '='; } +| PASTE { $$ = PASTE; } +; + +%% + +string_list_t * +_string_list_create (void *ctx) +{ + string_list_t *list; + + list = talloc (ctx, string_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_string_list_append_item (string_list_t *list, const char *str) +{ + string_node_t *node; + + node = talloc (list, string_node_t); + node->str = talloc_strdup (node, str); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_string_list_contains (string_list_t *list, const char *member, int *index) +{ + string_node_t *node; + int i; + + if (list == NULL) + return 0; + + for (i = 0, node = list->head; node; i++, node = node->next) { + if (strcmp (node->str, member) == 0) { + if (index) + *index = i; + return 1; + } + } + + return 0; +} + +int +_string_list_length (string_list_t *list) +{ + int length = 0; + string_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +int +_string_list_equal (string_list_t *a, string_list_t *b) +{ + string_node_t *node_a, *node_b; + + if (a == NULL && b == NULL) + return 1; + + if (a == NULL || b == NULL) + return 0; + + for (node_a = a->head, node_b = b->head; + node_a && node_b; + node_a = node_a->next, node_b = node_b->next) + { + if (strcmp (node_a->str, node_b->str)) + return 0; + } + + /* Catch the case of lists being different lengths, (which + * would cause the loop above to terminate after the shorter + * list). */ + return node_a == node_b; +} + +argument_list_t * +_argument_list_create (void *ctx) +{ + argument_list_t *list; + + list = talloc (ctx, argument_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_argument_list_append (argument_list_t *list, token_list_t *argument) +{ + argument_node_t *node; + + node = talloc (list, argument_node_t); + node->argument = argument; + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_argument_list_length (argument_list_t *list) +{ + int length = 0; + argument_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +token_list_t * +_argument_list_member_at (argument_list_t *list, int index) +{ + argument_node_t *node; + int i; + + if (list == NULL) + return NULL; + + node = list->head; + for (i = 0; i < index; i++) { + node = node->next; + if (node == NULL) + break; + } + + if (node) + return node->argument; + + return NULL; +} + +/* Note: This function talloc_steal()s the str pointer. */ +token_t * +_token_create_str (void *ctx, int type, char *str) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.str = talloc_steal (token, str); + + return token; +} + +token_t * +_token_create_ival (void *ctx, int type, int ival) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.ival = ival; + + return token; +} + +token_list_t * +_token_list_create (void *ctx) +{ + token_list_t *list; + + list = talloc (ctx, token_list_t); + list->head = NULL; + list->tail = NULL; + list->non_space_tail = NULL; + + return list; +} + +void +_token_list_append (token_list_t *list, token_t *token) +{ + token_node_t *node; + + node = talloc (list, token_node_t); + node->token = talloc_reference (list, token); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; + if (token->type != SPACE) + list->non_space_tail = node; +} + +void +_token_list_append_list (token_list_t *list, token_list_t *tail) +{ + if (tail == NULL || tail->head == NULL) + return; + + if (list->head == NULL) { + list->head = tail->head; + } else { + list->tail->next = tail->head; + } + + list->tail = tail->tail; + list->non_space_tail = tail->non_space_tail; +} + +static token_list_t * +_token_list_copy (void *ctx, token_list_t *other) +{ + token_list_t *copy; + token_node_t *node; + + if (other == NULL) + return NULL; + + copy = _token_list_create (ctx); + for (node = other->head; node; node = node->next) + _token_list_append (copy, node->token); + + return copy; +} + +static void +_token_list_trim_trailing_space (token_list_t *list) +{ + token_node_t *tail, *next; + + if (list->non_space_tail) { + tail = list->non_space_tail->next; + list->non_space_tail->next = NULL; + list->tail = list->non_space_tail; + + while (tail) { + next = tail->next; + talloc_free (tail); + tail = next; + } + } +} + +int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b) +{ + token_node_t *node_a, *node_b; + + node_a = a->head; + node_b = b->head; + + while (1) + { + if (node_a == NULL && node_b == NULL) + break; + + if (node_a == NULL || node_b == NULL) + return 0; + + if (node_a->token->type == SPACE) { + node_a = node_a->next; + continue; + } + + if (node_b->token->type == SPACE) { + node_b = node_b->next; + continue; + } + + if (node_a->token->type != node_b->token->type) + return 0; + + switch (node_a->token->type) { + case INTEGER: + if (node_a->token->value.ival != + node_b->token->value.ival) + { + return 0; + } + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + if (strcmp (node_a->token->value.str, + node_b->token->value.str)) + { + return 0; + } + break; + } + + node_a = node_a->next; + node_b = node_b->next; + } + + return 1; +} + +static void +_token_print (char **out, token_t *token) +{ + if (token->type < 256) { + glcpp_printf (*out, "%c", token->type); + return; + } + + switch (token->type) { + case INTEGER: + glcpp_printf (*out, "%" PRIiMAX, token->value.ival); + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + glcpp_print (*out, token->value.str); + break; + case SPACE: + glcpp_print (*out, " "); + break; + case LEFT_SHIFT: + glcpp_print (*out, "<<"); + break; + case RIGHT_SHIFT: + glcpp_print (*out, ">>"); + break; + case LESS_OR_EQUAL: + glcpp_print (*out, "<="); + break; + case GREATER_OR_EQUAL: + glcpp_print (*out, ">="); + break; + case EQUAL: + glcpp_print (*out, "=="); + break; + case NOT_EQUAL: + glcpp_print (*out, "!="); + break; + case AND: + glcpp_print (*out, "&&"); + break; + case OR: + glcpp_print (*out, "||"); + break; + case PASTE: + glcpp_print (*out, "##"); + break; + case COMMA_FINAL: + glcpp_print (*out, ","); + break; + case PLACEHOLDER: + /* Nothing to print. */ + break; + default: + assert(!"Error: Don't know how to print token."); + break; + } +} + +/* Return a new token (talloc()ed off of 'token') formed by pasting + * 'token' and 'other'. Note that this function may return 'token' or + * 'other' directly rather than allocating anything new. + * + * Caution: Only very cursory error-checking is performed to see if + * the final result is a valid single token. */ +static token_t * +_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) +{ + token_t *combined = NULL; + + /* Pasting a placeholder onto anything makes no change. */ + if (other->type == PLACEHOLDER) + return token; + + /* When 'token' is a placeholder, just return 'other'. */ + if (token->type == PLACEHOLDER) + return other; + + /* A very few single-character punctuators can be combined + * with another to form a multi-character punctuator. */ + switch (token->type) { + case '<': + if (other->type == '<') + combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); + break; + case '>': + if (other->type == '>') + combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); + break; + case '=': + if (other->type == '=') + combined = _token_create_ival (token, EQUAL, EQUAL); + break; + case '!': + if (other->type == '=') + combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); + break; + case '&': + if (other->type == '&') + combined = _token_create_ival (token, AND, AND); + break; + case '|': + if (other->type == '|') + combined = _token_create_ival (token, OR, OR); + break; + } + + if (combined != NULL) { + /* Inherit the location from the first token */ + combined->location = token->location; + return combined; + } + + /* Two string-valued tokens can usually just be mashed + * together. + * + * XXX: This isn't actually legitimate. Several things here + * should result in a diagnostic since the result cannot be a + * valid, single pre-processing token. For example, pasting + * "123" and "abc" is not legal, but we don't catch that + * here. */ + if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && + (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) + { + char *str; + + str = talloc_asprintf (token, "%s%s", token->value.str, + other->value.str); + combined = _token_create_str (token, token->type, str); + combined->location = token->location; + return combined; + } + + glcpp_error (&token->location, parser, ""); + glcpp_print (parser->info_log, "Pasting \""); + _token_print (&parser->info_log, token); + glcpp_print (parser->info_log, "\" and \""); + _token_print (&parser->info_log, other); + glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); + + return token; +} + +static void +_token_list_print (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + if (list == NULL) + return; + + for (node = list->head; node; node = node->next) + _token_print (&parser->output, node->token); +} + +void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) +{ + glcpp_error(locp, parser, "%s", error); +} + +static void add_builtin_define(glcpp_parser_t *parser, + const char *name, int value) +{ + token_t *tok; + token_list_t *list; + + tok = _token_create_ival (parser, INTEGER, value); + + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, name, list); + + talloc_unlink(parser, tok); +} + +glcpp_parser_t * +glcpp_parser_create (const struct gl_extensions *extensions, int api) +{ + glcpp_parser_t *parser; + int language_version; + + parser = talloc (NULL, glcpp_parser_t); + + glcpp_lex_init_extra (parser, &parser->scanner); + parser->defines = hash_table_ctor (32, hash_table_string_hash, + hash_table_string_compare); + parser->active = NULL; + parser->lexing_if = 0; + parser->space_tokens = 1; + parser->newline_as_space = 0; + parser->in_control_line = 0; + parser->paren_count = 0; + + parser->skip_stack = NULL; + + parser->lex_from_list = NULL; + parser->lex_from_node = NULL; + + parser->output = talloc_strdup(parser, ""); + parser->info_log = talloc_strdup(parser, ""); + parser->error = 0; + + /* Add pre-defined macros. */ + add_builtin_define(parser, "GL_ARB_draw_buffers", 1); + add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); + + if (api == API_OPENGLES2) + add_builtin_define(parser, "GL_ES", 1); + + if (extensions != NULL) { + if (extensions->EXT_texture_array) { + add_builtin_define(parser, "GL_EXT_texture_array", 1); + } + + if (extensions->ARB_fragment_coord_conventions) + add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", + 1); + } + + language_version = 110; + add_builtin_define(parser, "__VERSION__", language_version); + + return parser; +} + +int +glcpp_parser_parse (glcpp_parser_t *parser) +{ + return yyparse (parser); +} + +void +glcpp_parser_destroy (glcpp_parser_t *parser) +{ + glcpp_lex_destroy (parser->scanner); + hash_table_dtor (parser->defines); + talloc_free (parser); +} + +typedef enum function_status +{ + FUNCTION_STATUS_SUCCESS, + FUNCTION_NOT_A_FUNCTION, + FUNCTION_UNBALANCED_PARENTHESES +} function_status_t; + +/* Find a set of function-like macro arguments by looking for a + * balanced set of parentheses. + * + * When called, 'node' should be the opening-parenthesis token, (or + * perhaps preceeding SPACE tokens). Upon successful return *last will + * be the last consumed node, (corresponding to the closing right + * parenthesis). + * + * Return values: + * + * FUNCTION_STATUS_SUCCESS: + * + * Successfully parsed a set of function arguments. + * + * FUNCTION_NOT_A_FUNCTION: + * + * Macro name not followed by a '('. This is not an error, but + * simply that the macro name should be treated as a non-macro. + * + * FUNCTION_UNBALANCED_PARENTHESES + * + * Macro name is not followed by a balanced set of parentheses. + */ +static function_status_t +_arguments_parse (argument_list_t *arguments, + token_node_t *node, + token_node_t **last) +{ + token_list_t *argument; + int paren_count; + + node = node->next; + + /* Ignore whitespace before first parenthesis. */ + while (node && node->token->type == SPACE) + node = node->next; + + if (node == NULL || node->token->type != '(') + return FUNCTION_NOT_A_FUNCTION; + + node = node->next; + + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + + for (paren_count = 1; node; node = node->next) { + if (node->token->type == '(') + { + paren_count++; + } + else if (node->token->type == ')') + { + paren_count--; + if (paren_count == 0) + break; + } + + if (node->token->type == ',' && + paren_count == 1) + { + _token_list_trim_trailing_space (argument); + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + } + else { + if (argument->head == NULL) { + /* Don't treat initial whitespace as + * part of the arguement. */ + if (node->token->type == SPACE) + continue; + } + _token_list_append (argument, node->token); + } + } + + if (paren_count) + return FUNCTION_UNBALANCED_PARENTHESES; + + *last = node; + + return FUNCTION_STATUS_SUCCESS; +} + +static token_list_t * +_token_list_create_with_one_space (void *ctx) +{ + token_list_t *list; + token_t *space; + + list = _token_list_create (ctx); + space = _token_create_ival (list, SPACE, SPACE); + _token_list_append (list, space); + + return list; +} + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list) +{ + token_list_t *expanded; + token_t *token; + + expanded = _token_list_create (parser); + token = _token_create_ival (parser, type, type); + _token_list_append (expanded, token); + _glcpp_parser_expand_token_list (parser, list); + _token_list_append_list (expanded, list); + glcpp_parser_lex_from (parser, expanded); +} + +/* This is a helper function that's essentially part of the + * implementation of _glcpp_parser_expand_node. It shouldn't be called + * except for by that function. + * + * Returns NULL if node is a simple token with no expansion, (that is, + * although 'node' corresponds to an identifier defined as a + * function-like macro, it is not followed with a parenthesized + * argument list). + * + * Compute the complete expansion of node (which is a function-like + * macro) and subsequent nodes which are arguments. + * + * Returns the token list that results from the expansion and sets + * *last to the last node in the list that was consumed by the + * expansion. Specifically, *last will be set as follows: as the + * token of the closing right parenthesis. + */ +static token_list_t * +_glcpp_parser_expand_function (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) + +{ + macro_t *macro; + const char *identifier; + argument_list_t *arguments; + function_status_t status; + token_list_t *substituted; + int parameter_index; + + identifier = node->token->value.str; + + macro = hash_table_find (parser->defines, identifier); + + assert (macro->is_function); + + arguments = _argument_list_create (parser); + status = _arguments_parse (arguments, node, last); + + switch (status) { + case FUNCTION_STATUS_SUCCESS: + break; + case FUNCTION_NOT_A_FUNCTION: + return NULL; + case FUNCTION_UNBALANCED_PARENTHESES: + glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); + return NULL; + } + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) { + talloc_free (arguments); + return _token_list_create_with_one_space (parser); + } + + if (! ((_argument_list_length (arguments) == + _string_list_length (macro->parameters)) || + (_string_list_length (macro->parameters) == 0 && + _argument_list_length (arguments) == 1 && + arguments->head->argument->head == NULL))) + { + glcpp_error (&node->token->location, parser, + "Error: macro %s invoked with %d arguments (expected %d)\n", + identifier, + _argument_list_length (arguments), + _string_list_length (macro->parameters)); + return NULL; + } + + /* Perform argument substitution on the replacement list. */ + substituted = _token_list_create (arguments); + + for (node = macro->replacements->head; node; node = node->next) + { + if (node->token->type == IDENTIFIER && + _string_list_contains (macro->parameters, + node->token->value.str, + ¶meter_index)) + { + token_list_t *argument; + argument = _argument_list_member_at (arguments, + parameter_index); + /* Before substituting, we expand the argument + * tokens, or append a placeholder token for + * an empty argument. */ + if (argument->head) { + token_list_t *expanded_argument; + expanded_argument = _token_list_copy (parser, + argument); + _glcpp_parser_expand_token_list (parser, + expanded_argument); + _token_list_append_list (substituted, + expanded_argument); + } else { + token_t *new_token; + + new_token = _token_create_ival (substituted, + PLACEHOLDER, + PLACEHOLDER); + _token_list_append (substituted, new_token); + } + } else { + _token_list_append (substituted, node->token); + } + } + + /* After argument substitution, and before further expansion + * below, implement token pasting. */ + + _token_list_trim_trailing_space (substituted); + + node = substituted->head; + while (node) + { + token_node_t *next_non_space; + + /* Look ahead for a PASTE token, skipping space. */ + next_non_space = node->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) + break; + + if (next_non_space->token->type != PASTE) { + node = next_non_space; + continue; + } + + /* Now find the next non-space token after the PASTE. */ + next_non_space = next_non_space->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) { + yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); + return NULL; + } + + node->token = _token_paste (parser, node->token, next_non_space->token); + node->next = next_non_space->next; + if (next_non_space == substituted->tail) + substituted->tail = node; + + node = node->next; + } + + substituted->non_space_tail = substituted->tail; + + return substituted; +} + +/* Compute the complete expansion of node, (and subsequent nodes after + * 'node' in the case that 'node' is a function-like macro and + * subsequent nodes are arguments). + * + * Returns NULL if node is a simple token with no expansion. + * + * Otherwise, returns the token list that results from the expansion + * and sets *last to the last node in the list that was consumed by + * the expansion. Specifically, *last will be set as follows: + * + * As 'node' in the case of object-like macro expansion. + * + * As the token of the closing right parenthesis in the case of + * function-like macro expansion. + */ +static token_list_t * +_glcpp_parser_expand_node (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) +{ + token_t *token = node->token; + const char *identifier; + macro_t *macro; + + /* We only expand identifiers */ + if (token->type != IDENTIFIER) { + /* We change any COMMA into a COMMA_FINAL to prevent + * it being mistaken for an argument separator + * later. */ + if (token->type == ',') { + token->type = COMMA_FINAL; + token->value.ival = COMMA_FINAL; + } + + return NULL; + } + + /* Look up this identifier in the hash table. */ + identifier = token->value.str; + macro = hash_table_find (parser->defines, identifier); + + /* Not a macro, so no expansion needed. */ + if (macro == NULL) + return NULL; + + /* Finally, don't expand this macro if we're already actively + * expanding it, (to avoid infinite recursion). */ + if (_active_list_contains (parser->active, identifier)) { + /* We change the token type here from IDENTIFIER to + * OTHER to prevent any future expansion of this + * unexpanded token. */ + char *str; + token_list_t *expansion; + token_t *final; + + str = talloc_strdup (parser, token->value.str); + final = _token_create_str (parser, OTHER, str); + expansion = _token_list_create (parser); + _token_list_append (expansion, final); + *last = node; + return expansion; + } + + if (! macro->is_function) + { + *last = node; + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) + return _token_list_create_with_one_space (parser); + + return _token_list_copy (parser, macro->replacements); + } + + return _glcpp_parser_expand_function (parser, node, last); +} + +/* Push a new identifier onto the active list, returning the new list. + * + * Here, 'marker' is the token node that appears in the list after the + * expansion of 'identifier'. That is, when the list iterator begins + * examinging 'marker', then it is time to pop this node from the + * active stack. + */ +active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker) +{ + active_list_t *node; + + node = talloc (list, active_list_t); + node->identifier = talloc_strdup (node, identifier); + node->marker = marker; + node->next = list; + + return node; +} + +active_list_t * +_active_list_pop (active_list_t *list) +{ + active_list_t *node = list; + + if (node == NULL) + return NULL; + + node = list->next; + talloc_free (list); + + return node; +} + +int +_active_list_contains (active_list_t *list, const char *identifier) +{ + active_list_t *node; + + if (list == NULL) + return 0; + + for (node = list; node; node = node->next) + if (strcmp (node->identifier, identifier) == 0) + return 1; + + return 0; +} + +/* Walk over the token list replacing nodes with their expansion. + * Whenever nodes are expanded the walking will walk over the new + * nodes, continuing to expand as necessary. The results are placed in + * 'list' itself; + */ +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + token_node_t *node_prev; + token_node_t *node, *last = NULL; + token_list_t *expansion; + + if (list == NULL) + return; + + _token_list_trim_trailing_space (list); + + node_prev = NULL; + node = list->head; + + while (node) { + + while (parser->active && parser->active->marker == node) + parser->active = _active_list_pop (parser->active); + + /* Find the expansion for node, which will replace all + * nodes from node to last, inclusive. */ + expansion = _glcpp_parser_expand_node (parser, node, &last); + if (expansion) { + token_node_t *n; + + for (n = node; n != last->next; n = n->next) + while (parser->active && + parser->active->marker == n) + { + parser->active = _active_list_pop (parser->active); + } + + parser->active = _active_list_push (parser->active, + node->token->value.str, + last->next); + + /* Splice expansion into list, supporting a + * simple deletion if the expansion is + * empty. */ + if (expansion->head) { + if (node_prev) + node_prev->next = expansion->head; + else + list->head = expansion->head; + expansion->tail->next = last->next; + if (last == list->tail) + list->tail = expansion->tail; + } else { + if (node_prev) + node_prev->next = last->next; + else + list->head = last->next; + if (last == list->tail) + list->tail = NULL; + } + } else { + node_prev = node; + } + node = node_prev ? node_prev->next : list->head; + } + + while (parser->active) + parser->active = _active_list_pop (parser->active); + + list->non_space_tail = list->tail; +} + +void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + if (list == NULL) + return; + + _glcpp_parser_expand_token_list (parser, list); + + _token_list_trim_trailing_space (list); + + _token_list_print (parser, list); +} + +static void +_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, + const char *identifier) +{ + /* According to the GLSL specification, macro names starting with "__" + * or "GL_" are reserved for future use. So, don't allow them. + */ + if (strncmp(identifier, "__", 2) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); + } + if (strncmp(identifier, "GL_", 3) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); + } +} + +static int +_macro_equal (macro_t *a, macro_t *b) +{ + if (a->is_function != b->is_function) + return 0; + + if (a->is_function) { + if (! _string_list_equal (a->parameters, b->parameters)) + return 0; + } + + return _token_list_equal_ignoring_space (a->replacements, + b->replacements); +} + +void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + if (loc != NULL) + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 0; + macro->parameters = NULL; + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + string_list_t *parameters, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 1; + macro->parameters = talloc_steal (macro, parameters); + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) +{ + token_node_t *node; + int ret; + + if (parser->lex_from_list == NULL) { + ret = glcpp_lex (yylval, yylloc, parser->scanner); + + /* XXX: This ugly block of code exists for the sole + * purpose of converting a NEWLINE token into a SPACE + * token, but only in the case where we have seen a + * function-like macro name, but have not yet seen its + * closing parenthesis. + * + * There's perhaps a more compact way to do this with + * mid-rule actions in the grammar. + * + * I'm definitely not pleased with the complexity of + * this code here. + */ + if (parser->newline_as_space) + { + if (ret == '(') { + parser->paren_count++; + } else if (ret == ')') { + parser->paren_count--; + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } else if (ret == NEWLINE) { + ret = SPACE; + } else if (ret != SPACE) { + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } + } + else if (parser->in_control_line) + { + if (ret == NEWLINE) + parser->in_control_line = 0; + } + else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || + ret == HASH_UNDEF || ret == HASH_IF || + ret == HASH_IFDEF || ret == HASH_IFNDEF || + ret == HASH_ELIF || ret == HASH_ELSE || + ret == HASH_ENDIF || ret == HASH) + { + parser->in_control_line = 1; + } + else if (ret == IDENTIFIER) + { + macro_t *macro; + macro = hash_table_find (parser->defines, + yylval->str); + if (macro && macro->is_function) { + parser->newline_as_space = 1; + parser->paren_count = 0; + } + } + + return ret; + } + + node = parser->lex_from_node; + + if (node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + return NEWLINE; + } + + *yylval = node->token->value; + ret = node->token->type; + + parser->lex_from_node = node->next; + + return ret; +} + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + assert (parser->lex_from_list == NULL); + + /* Copy list, eliminating any space tokens. */ + parser->lex_from_list = _token_list_create (parser); + + for (node = list->head; node; node = node->next) { + if (node->token->type == SPACE) + continue; + _token_list_append (parser->lex_from_list, node->token); + } + + talloc_free (list); + + parser->lex_from_node = parser->lex_from_list->head; + + /* It's possible the list consisted of nothing but whitespace. */ + if (parser->lex_from_node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + } +} + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition) +{ + skip_type_t current = SKIP_NO_SKIP; + skip_node_t *node; + + if (parser->skip_stack) + current = parser->skip_stack->type; + + node = talloc (parser, skip_node_t); + node->loc = *loc; + + if (current == SKIP_NO_SKIP) { + if (condition) + node->type = SKIP_NO_SKIP; + else + node->type = SKIP_TO_ELSE; + } else { + node->type = SKIP_TO_ENDIF; + } + + node->next = parser->skip_stack; + parser->skip_stack = node; +} + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition) +{ + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "%s without #if\n", type); + return; + } + + if (parser->skip_stack->type == SKIP_TO_ELSE) { + if (condition) + parser->skip_stack->type = SKIP_NO_SKIP; + } else { + parser->skip_stack->type = SKIP_TO_ENDIF; + } +} + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) +{ + skip_node_t *node; + + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "#endif without #if\n"); + return; + } + + node = parser->skip_stack; + parser->skip_stack = node->next; + talloc_free (node); +} diff --git a/mesalib/src/glsl/glcpp/glcpp.c b/mesalib/src/glsl/glcpp/glcpp.c new file mode 100644 index 000000000..8d1ced571 --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp.c @@ -0,0 +1,123 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include "glcpp.h" +#include "main/mtypes.h" + +extern int yydebug; + +/* Read from fd until EOF and return a string of everything read. + */ +static char * +load_text_fd (void *ctx, int fd) +{ +#define CHUNK 4096 + char *text = NULL; + ssize_t text_size = 0; + ssize_t total_read = 0; + ssize_t bytes; + + while (1) { + if (total_read + CHUNK + 1 > text_size) { + text_size = text_size ? text_size * 2 : CHUNK + 1; + text = talloc_realloc_size (ctx, text, text_size); + if (text == NULL) { + fprintf (stderr, "Out of memory\n"); + return NULL; + } + } + bytes = read (fd, text + total_read, CHUNK); + if (bytes < 0) { + fprintf (stderr, "Error while reading: %s\n", + strerror (errno)); + talloc_free (text); + return NULL; + } + + if (bytes == 0) { + break; + } + + total_read += bytes; + } + + text[total_read] = '\0'; + + return text; +} + +static char * +load_text_file(void *ctx, const char *filename) +{ + char *text; + int fd; + + if (filename == NULL || strcmp (filename, "-") == 0) + return load_text_fd (ctx, STDIN_FILENO); + + fd = open (filename, O_RDONLY); + if (fd < 0) { + fprintf (stderr, "Failed to open file %s: %s\n", + filename, strerror (errno)); + return NULL; + } + + text = load_text_fd (ctx, fd); + + close(fd); + + return text; +} + +int +main (int argc, char *argv[]) +{ + char *filename = NULL; + void *ctx = talloc(NULL, void*); + char *info_log = talloc_strdup(ctx, ""); + const char *shader; + int ret; + + if (argc) { + filename = argv[1]; + } + + shader = load_text_file (ctx, filename); + if (shader == NULL) + return 1; + + ret = preprocess(ctx, &shader, &info_log, NULL, API_OPENGL); + + printf("%s", shader); + fprintf(stderr, "%s", info_log); + + talloc_free(ctx); + + return ret; +} diff --git a/mesalib/src/glsl/glcpp/glcpp.h b/mesalib/src/glsl/glcpp/glcpp.h new file mode 100644 index 000000000..7125d325d --- /dev/null +++ b/mesalib/src/glsl/glcpp/glcpp.h @@ -0,0 +1,222 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef GLCPP_H +#define GLCPP_H + +#include <stdint.h> + +#include <talloc.h> + +#include "program/hash_table.h" + +#define yyscan_t void* + +/* Some data types used for parser values. */ + +typedef struct string_node { + const char *str; + struct string_node *next; +} string_node_t; + +typedef struct string_list { + string_node_t *head; + string_node_t *tail; +} string_list_t; + +typedef struct token token_t; +typedef struct token_list token_list_t; + +typedef union YYSTYPE +{ + intmax_t ival; + char *str; + string_list_t *string_list; + token_t *token; + token_list_t *token_list; +} YYSTYPE; + +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 + +typedef struct YYLTYPE { + int first_line; + int first_column; + int last_line; + int last_column; + unsigned source; +} YYLTYPE; +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 + +# define YYLLOC_DEFAULT(Current, Rhs, N) \ +do { \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC(Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC(Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC(Rhs, 0).last_column; \ + } \ + (Current).source = 0; \ +} while (0) + +struct token { + int type; + YYSTYPE value; + YYLTYPE location; +}; + +typedef struct token_node { + token_t *token; + struct token_node *next; +} token_node_t; + +struct token_list { + token_node_t *head; + token_node_t *tail; + token_node_t *non_space_tail; +}; + +typedef struct argument_node { + token_list_t *argument; + struct argument_node *next; +} argument_node_t; + +typedef struct argument_list { + argument_node_t *head; + argument_node_t *tail; +} argument_list_t; + +typedef struct glcpp_parser glcpp_parser_t; + +typedef enum { + TOKEN_CLASS_IDENTIFIER, + TOKEN_CLASS_IDENTIFIER_FINALIZED, + TOKEN_CLASS_FUNC_MACRO, + TOKEN_CLASS_OBJ_MACRO +} token_class_t; + +token_class_t +glcpp_parser_classify_token (glcpp_parser_t *parser, + const char *identifier, + int *parameter_index); + +typedef struct { + int is_function; + string_list_t *parameters; + const char *identifier; + token_list_t *replacements; +} macro_t; + +typedef struct expansion_node { + macro_t *macro; + token_node_t *replacements; + struct expansion_node *next; +} expansion_node_t; + +typedef enum skip_type { + SKIP_NO_SKIP, + SKIP_TO_ELSE, + SKIP_TO_ENDIF +} skip_type_t; + +typedef struct skip_node { + skip_type_t type; + YYLTYPE loc; /* location of the initial #if/#elif/... */ + struct skip_node *next; +} skip_node_t; + +typedef struct active_list { + const char *identifier; + token_node_t *marker; + struct active_list *next; +} active_list_t; + +struct glcpp_parser { + yyscan_t scanner; + struct hash_table *defines; + active_list_t *active; + int lexing_if; + int space_tokens; + int newline_as_space; + int in_control_line; + int paren_count; + skip_node_t *skip_stack; + token_list_t *lex_from_list; + token_node_t *lex_from_node; + char *output; + char *info_log; + int error; +}; + +struct gl_extensions; + +glcpp_parser_t * +glcpp_parser_create (const struct gl_extensions *extensions, int api); + +int +glcpp_parser_parse (glcpp_parser_t *parser); + +void +glcpp_parser_destroy (glcpp_parser_t *parser); + +int +preprocess(void *talloc_ctx, const char **shader, char **info_log, + const struct gl_extensions *extensions, int api); + +/* Functions for writing to the info log */ + +void +glcpp_error (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...); + +void +glcpp_warning (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...); + +/* Generated by glcpp-lex.l to glcpp-lex.c */ + +int +glcpp_lex_init_extra (glcpp_parser_t *parser, yyscan_t* scanner); + +void +glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader); + +int +glcpp_lex (YYSTYPE *lvalp, YYLTYPE *llocp, yyscan_t scanner); + +int +glcpp_lex_destroy (yyscan_t scanner); + +/* Generated by glcpp-parse.y to glcpp-parse.c */ + +int +yyparse (glcpp_parser_t *parser); + +#endif diff --git a/mesalib/src/glsl/glcpp/pp.c b/mesalib/src/glsl/glcpp/pp.c new file mode 100644 index 000000000..e1a3a88a3 --- /dev/null +++ b/mesalib/src/glsl/glcpp/pp.c @@ -0,0 +1,167 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <assert.h> +#include <string.h> +#include <ctype.h> +#include "glcpp.h" +#include "main/core.h" /* for isblank() on MSVC */ + +void +glcpp_error (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...) +{ + va_list ap; + + parser->error = 1; + parser->info_log = talloc_asprintf_append(parser->info_log, + "%u:%u(%u): " + "preprocessor error: ", + locp->source, + locp->first_line, + locp->first_column); + va_start(ap, fmt); + parser->info_log = talloc_vasprintf_append(parser->info_log, fmt, ap); + va_end(ap); + parser->info_log = talloc_strdup_append(parser->info_log, "\n"); +} + +void +glcpp_warning (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...) +{ + va_list ap; + + parser->info_log = talloc_asprintf_append(parser->info_log, + "%u:%u(%u): " + "preprocessor warning: ", + locp->source, + locp->first_line, + locp->first_column); + va_start(ap, fmt); + parser->info_log = talloc_vasprintf_append(parser->info_log, fmt, ap); + va_end(ap); + parser->info_log = talloc_strdup_append(parser->info_log, "\n"); +} + +/* Searches backwards for '^ *#' from a given starting point. */ +static int +in_directive(const char *shader, const char *ptr) +{ + assert(ptr >= shader); + + /* Search backwards for '#'. If we find a \n first, it doesn't count */ + for (; ptr >= shader && *ptr != '#'; ptr--) { + if (*ptr == '\n') + return 0; + } + if (ptr >= shader) { + /* Found '#'...look for spaces preceded by a newline */ + for (ptr--; ptr >= shader && isblank(*ptr); ptr--); + // FIXME: I don't think the '\n' case can happen + if (ptr < shader || *ptr == '\n') + return 1; + } + return 0; +} + +/* Remove any line continuation characters in preprocessing directives. + * However, ignore any in GLSL code, as "There is no line continuation + * character" (1.30 page 9) in GLSL. + */ +static char * +remove_line_continuations(glcpp_parser_t *ctx, const char *shader) +{ + int in_continued_line = 0; + int extra_newlines = 0; + char *clean = talloc_strdup(ctx, ""); + const char *search_start = shader; + const char *newline; + while ((newline = strchr(search_start, '\n')) != NULL) { + const char *backslash = NULL; + + /* # of characters preceding the newline. */ + int n = newline - shader; + + /* Find the preceding '\', if it exists */ + if (n >= 1 && newline[-1] == '\\') + backslash = newline - 1; + else if (n >= 2 && newline[-1] == '\r' && newline[-2] == '\\') + backslash = newline - 2; + + /* Double backslashes don't count (the backslash is escaped) */ + if (backslash != NULL && backslash[-1] == '\\') { + backslash = NULL; + } + + if (backslash != NULL) { + /* We found a line continuation, but do we care? */ + if (!in_continued_line) { + if (in_directive(shader, backslash)) { + in_continued_line = 1; + extra_newlines = 0; + } + } + if (in_continued_line) { + /* Copy everything before the \ */ + clean = talloc_strndup_append(clean, shader, backslash - shader); + shader = newline + 1; + extra_newlines++; + } + } else if (in_continued_line) { + /* Copy everything up to and including the \n */ + clean = talloc_strndup_append(clean, shader, newline - shader + 1); + shader = newline + 1; + /* Output extra newlines to make line numbers match */ + for (; extra_newlines > 0; extra_newlines--) + clean = talloc_strdup_append(clean, "\n"); + in_continued_line = 0; + } + search_start = newline + 1; + } + clean = talloc_strdup_append(clean, shader); + return clean; +} + +int +preprocess(void *talloc_ctx, const char **shader, char **info_log, + const struct gl_extensions *extensions, int api) +{ + int errors; + glcpp_parser_t *parser = glcpp_parser_create (extensions, api); + *shader = remove_line_continuations(parser, *shader); + + glcpp_lex_set_source_string (parser, *shader); + + glcpp_parser_parse (parser); + + if (parser->skip_stack) + glcpp_error (&parser->skip_stack->loc, parser, "Unterminated #if\n"); + + *info_log = talloc_strdup_append(*info_log, parser->info_log); + + talloc_steal(talloc_ctx, parser->output); + *shader = parser->output; + + errors = parser->error; + glcpp_parser_destroy (parser); + return errors; +} diff --git a/mesalib/src/glsl/glsl_lexer.cpp b/mesalib/src/glsl/glsl_lexer.cpp new file mode 100644 index 000000000..7661bbe98 --- /dev/null +++ b/mesalib/src/glsl/glsl_lexer.cpp @@ -0,0 +1,3488 @@ +#line 2 "glsl_lexer.cpp" + +#line 4 "glsl_lexer.cpp" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* An opaque pointer. */ +#ifndef YY_TYPEDEF_YY_SCANNER_T +#define YY_TYPEDEF_YY_SCANNER_T +typedef void* yyscan_t; +#endif + +/* For convenience, these vars (plus the bison vars far below) + are macros in the reentrant scanner. */ +#define yyin yyg->yyin_r +#define yyout yyg->yyout_r +#define yyextra yyg->yyextra_r +#define yyleng yyg->yyleng_r +#define yytext yyg->yytext_r +#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) +#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) +#define yy_flex_debug yyg->yy_flex_debug_r + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yyg->yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yyg->yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE _mesa_glsl_restart(yyin ,yyscanner ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = yyg->yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via _mesa_glsl_restart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ + ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] + +void _mesa_glsl_restart (FILE *input_file ,yyscan_t yyscanner ); +void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE *file,int size ,yyscan_t yyscanner ); +void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner ); + +static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner ); +static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner ); +static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); + +#define YY_FLUSH_BUFFER _mesa_glsl__flush_buffer(YY_CURRENT_BUFFER ,yyscanner) + +YY_BUFFER_STATE _mesa_glsl__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); + +void *_mesa_glsl_alloc (yy_size_t ,yyscan_t yyscanner ); +void *_mesa_glsl_realloc (void *,yy_size_t ,yyscan_t yyscanner ); +void _mesa_glsl_free (void * ,yyscan_t yyscanner ); + +#define yy_new_buffer _mesa_glsl__create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + _mesa_glsl_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + _mesa_glsl_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define _mesa_glsl_wrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +typedef int yy_state_type; + +#define yytext_ptr yytext_r + +static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); +static int yy_get_next_buffer (yyscan_t yyscanner ); +static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yyg->yytext_ptr = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + yyg->yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yyg->yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 183 +#define YY_END_OF_BUFFER 184 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[708] = + { 0, + 0, 0, 15, 15, 0, 0, 184, 182, 1, 20, + 182, 182, 182, 182, 182, 182, 182, 182, 96, 94, + 182, 182, 182, 181, 182, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 182, 1, 182, 91, 183, + 15, 19, 183, 18, 16, 17, 13, 12, 1, 80, + 87, 81, 90, 84, 75, 86, 76, 93, 98, 85, + 99, 96, 0, 0, 101, 0, 94, 0, 77, 79, + 78, 0, 181, 83, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 28, 181, 181, 181, + + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 32, 181, 181, 56, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 92, 82, 1, 0, 0, + 2, 0, 0, 0, 0, 15, 14, 18, 17, 0, + 98, 97, 0, 99, 0, 100, 95, 88, 89, 181, + 104, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 31, 181, 181, 181, 181, 181, 181, 181, + + 181, 181, 181, 25, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 57, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 0, 0, 0, 0, 14, 0, 98, 0, + 97, 0, 99, 100, 181, 181, 23, 181, 181, 144, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 30, + 107, 181, 181, 181, 181, 63, 181, 181, 112, 126, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 123, 147, 44, 45, 46, 181, 181, 181, 181, + + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 110, 102, 181, 181, + 181, 181, 181, 181, 181, 41, 42, 43, 73, 181, + 181, 0, 0, 0, 0, 0, 97, 181, 181, 26, + 35, 36, 37, 181, 105, 181, 22, 181, 181, 181, + 181, 134, 135, 136, 181, 103, 181, 127, 24, 137, + 138, 139, 149, 131, 132, 133, 181, 181, 181, 58, + 129, 181, 181, 38, 39, 40, 181, 181, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 181, 124, 181, 181, 181, 181, 181, 181, 181, + + 181, 181, 181, 106, 181, 146, 181, 181, 29, 0, + 0, 0, 0, 153, 181, 181, 151, 181, 181, 181, + 125, 120, 156, 181, 181, 181, 181, 181, 181, 115, + 181, 181, 74, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 181, 181, 181, 181, 130, 111, 181, 181, + 118, 34, 181, 181, 143, 64, 119, 72, 154, 113, + 181, 181, 181, 181, 181, 181, 181, 0, 0, 0, + 0, 181, 181, 181, 114, 33, 181, 181, 181, 181, + 181, 181, 157, 158, 159, 181, 181, 181, 181, 148, + 181, 181, 181, 181, 181, 181, 181, 181, 108, 181, + + 181, 181, 181, 181, 59, 181, 60, 181, 0, 0, + 0, 0, 0, 181, 61, 27, 121, 161, 162, 163, + 181, 181, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 116, 181, 181, 181, 181, 181, 181, 181, 181, + 181, 109, 165, 166, 167, 181, 181, 128, 117, 0, + 0, 6, 0, 0, 0, 11, 3, 21, 181, 181, + 181, 181, 181, 181, 181, 181, 181, 160, 122, 62, + 145, 181, 152, 150, 180, 66, 67, 68, 181, 181, + 181, 181, 181, 181, 0, 0, 0, 0, 0, 0, + 181, 181, 181, 164, 181, 181, 181, 181, 181, 181, + + 181, 181, 181, 181, 181, 181, 181, 181, 181, 168, + 4, 0, 5, 0, 0, 0, 0, 0, 181, 181, + 181, 181, 181, 181, 181, 177, 181, 181, 181, 181, + 181, 181, 69, 181, 181, 181, 0, 0, 0, 181, + 181, 178, 169, 181, 170, 181, 181, 181, 181, 181, + 181, 181, 181, 181, 179, 0, 0, 171, 172, 175, + 176, 65, 181, 140, 181, 141, 155, 173, 174, 0, + 0, 181, 181, 181, 0, 0, 0, 70, 181, 71, + 0, 0, 0, 181, 0, 0, 0, 181, 0, 0, + 7, 0, 0, 181, 0, 8, 0, 0, 142, 0, + + 0, 0, 0, 9, 0, 10, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, + 10, 11, 12, 1, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 21, 21, 22, 22, 23, 1, 24, + 25, 26, 1, 1, 27, 28, 29, 30, 31, 32, + 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, + 33, 34, 35, 33, 33, 33, 33, 36, 33, 33, + 1, 1, 1, 37, 38, 1, 39, 40, 41, 42, + + 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + 53, 54, 33, 55, 56, 57, 58, 59, 60, 61, + 62, 63, 1, 64, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[65] = + { 0, + 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, + 4, 5, 1, 1, 1, 1, 6, 6, 6, 6, + 5, 5, 7, 7, 7, 8, 1, 7, 6, 6, + 6, 6, 5, 5, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 8, 7, 7, 1 + } ; + +static yyconst flex_int16_t yy_base[719] = + { 0, + 0, 63, 88, 0, 1076, 1075, 1077, 1080, 64, 1080, + 1051, 1050, 59, 1049, 58, 60, 58, 1048, 139, 187, + 47, 1047, 56, 0, 1034, 121, 110, 137, 138, 134, + 163, 1017, 173, 177, 115, 149, 140, 1011, 159, 121, + 187, 194, 194, 172, 1022, 171, 249, 240, 1042, 1080, + 250, 1080, 1051, 241, 1080, 0, 1080, 1080, 262, 1080, + 1080, 1080, 1080, 1080, 1080, 1080, 1080, 1080, 236, 1080, + 238, 187, 286, 303, 1080, 0, 0, 1040, 1080, 1080, + 1080, 1039, 0, 1080, 1006, 1011, 1004, 1007, 1016, 1015, + 1001, 1004, 1016, 35, 1010, 997, 994, 1008, 994, 991, + + 991, 997, 215, 232, 991, 1002, 987, 993, 997, 998, + 0, 989, 1000, 234, 995, 975, 226, 979, 993, 983, + 119, 976, 234, 989, 991, 973, 969, 977, 974, 963, + 972, 256, 970, 976, 971, 974, 962, 965, 967, 245, + 970, 961, 974, 227, 967, 1080, 1080, 308, 294, 324, + 1080, 952, 965, 956, 967, 329, 0, 338, 0, 368, + 1080, 303, 379, 1080, 386, 393, 0, 1080, 1080, 962, + 0, 953, 957, 967, 964, 947, 946, 946, 950, 216, + 961, 958, 958, 956, 953, 944, 951, 937, 935, 948, + 933, 950, 0, 947, 934, 942, 939, 943, 944, 937, + + 934, 922, 921, 935, 938, 935, 922, 929, 919, 320, + 925, 928, 918, 926, 914, 918, 909, 924, 914, 905, + 924, 907, 905, 916, 905, 900, 898, 912, 897, 899, + 896, 908, 907, 910, 288, 901, 895, 884, 331, 903, + 905, 893, 885, 889, 901, 884, 0, 400, 410, 427, + 1080, 439, 446, 1080, 879, 890, 0, 887, 343, 0, + 880, 878, 880, 875, 884, 872, 890, 878, 346, 0, + 0, 872, 883, 882, 882, 0, 866, 350, 0, 0, + 868, 353, 876, 877, 867, 861, 860, 861, 860, 357, + 856, 0, 0, 852, 851, 850, 852, 853, 858, 852, + + 848, 862, 857, 856, 855, 846, 849, 849, 841, 844, + 839, 848, 853, 838, 851, 841, 0, 0, 848, 844, + 835, 835, 841, 840, 837, 0, 0, 0, 0, 826, + 839, 838, 837, 834, 822, 453, 463, 834, 836, 0, + 0, 0, 0, 822, 0, 822, 0, 821, 822, 816, + 827, 0, 0, 0, 817, 0, 813, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 824, 469, 823, 0, + 0, 821, 817, 0, 0, 0, 806, 415, 432, 473, + 811, 807, 813, 803, 801, 815, 799, 799, 813, 801, + 813, 808, 0, 806, 803, 807, 790, 792, 799, 805, + + 800, 799, 786, 0, 788, 0, 787, 791, 0, 785, + 834, 784, 787, 0, 775, 785, 0, 773, 773, 787, + 0, 789, 0, 482, 797, 796, 795, 766, 765, 0, + 783, 782, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 766, 780, 766, 763, 0, 0, 769, 768, + 0, 0, 766, 758, 0, 0, 0, 0, 0, 0, + 755, 767, 485, 759, 766, 763, 757, 750, 503, 766, + 751, 746, 760, 758, 0, 0, 750, 769, 768, 767, + 738, 737, 301, 481, 0, 750, 753, 751, 739, 0, + 749, 746, 745, 734, 733, 732, 509, 741, 0, 753, + + 752, 751, 722, 721, 0, 736, 0, 734, 729, 515, + 527, 773, 722, 730, 0, 0, 0, 745, 744, 0, + 726, 729, 713, 721, 711, 719, 720, 720, 719, 704, + 717, 0, 718, 706, 705, 701, 725, 724, 723, 694, + 693, 0, 723, 722, 0, 704, 707, 0, 0, 693, + 537, 1080, 561, 0, 567, 340, 1080, 0, 690, 689, + 699, 699, 686, 701, 684, 699, 694, 0, 0, 0, + 0, 679, 0, 0, 0, 700, 389, 700, 689, 692, + 676, 675, 685, 685, 675, 529, 589, 474, 683, 671, + 669, 668, 679, 0, 682, 678, 680, 676, 662, 669, + + 669, 671, 667, 669, 667, 667, 654, 653, 664, 0, + 1080, 531, 1080, 596, 0, 616, 666, 648, 665, 664, + 647, 635, 643, 633, 634, 0, 627, 646, 635, 607, + 604, 601, 0, 604, 603, 586, 533, 572, 580, 564, + 563, 0, 0, 564, 0, 540, 554, 552, 516, 530, + 505, 486, 453, 450, 0, 461, 443, 0, 0, 0, + 0, 0, 400, 406, 385, 0, 0, 0, 0, 343, + 389, 319, 267, 249, 487, 341, 235, 0, 200, 0, + 507, 498, 184, 157, 150, 564, 559, 136, 565, 591, + 1080, 593, 550, 112, 594, 1080, 569, 576, 0, 123, + + 619, 621, 637, 1080, 638, 1080, 1080, 648, 653, 658, + 663, 665, 667, 673, 680, 685, 690, 695 + } ; + +static yyconst flex_int16_t yy_def[719] = + { 0, + 707, 1, 707, 3, 708, 708, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 709, 707, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 710, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 711, 707, + 712, 19, 707, 707, 707, 713, 20, 707, 707, 707, + 707, 707, 709, 707, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 714, 707, 710, 707, + 707, 712, 707, 707, 707, 707, 713, 707, 707, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 707, 707, 707, 707, 714, 707, 707, 707, + 707, 707, 707, 707, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 707, 707, 707, 707, 707, 707, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + + 709, 709, 709, 709, 709, 709, 709, 709, 709, 707, + 707, 707, 707, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 707, 707, 707, + 707, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + + 709, 709, 709, 709, 709, 709, 709, 709, 707, 715, + 707, 707, 707, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 707, + 707, 707, 707, 716, 707, 707, 707, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 707, 717, 707, 716, 707, 707, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 707, 707, 707, 707, 718, 707, 707, 707, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 718, 707, 707, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 709, + 709, 709, 709, 709, 709, 707, 707, 709, 709, 709, + 709, 709, 709, 709, 709, 709, 709, 709, 709, 707, + 707, 709, 709, 709, 707, 707, 707, 709, 709, 709, + 707, 707, 707, 709, 707, 707, 707, 709, 707, 707, + 707, 707, 707, 709, 707, 707, 707, 707, 709, 707, + + 707, 707, 707, 707, 707, 707, 0, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707 + } ; + +static yyconst flex_int16_t yy_nxt[1145] = + { 0, + 8, 9, 10, 9, 11, 8, 12, 13, 8, 8, + 14, 15, 16, 17, 18, 19, 20, 20, 20, 20, + 20, 20, 8, 21, 22, 23, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 25, 24, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 24, 24, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, + 24, 24, 24, 46, 47, 59, 62, 59, 48, 65, + 78, 79, 67, 69, 69, 69, 69, 69, 69, 69, + 81, 82, 66, 63, 68, 179, 180, 49, 50, 51, + 52, 51, 50, 50, 50, 50, 50, 50, 50, 50, + + 50, 50, 53, 50, 54, 54, 54, 54, 54, 54, + 55, 50, 50, 50, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 50, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 50, 71, 116, 72, 72, 72, 72, 72, 72, + 73, 85, 88, 126, 89, 213, 702, 117, 90, 74, + 75, 699, 214, 127, 76, 91, 86, 87, 120, 92, + 95, 74, 75, 99, 96, 100, 93, 118, 694, 94, + 97, 119, 121, 689, 101, 146, 98, 123, 688, 76, + + 71, 102, 77, 77, 77, 77, 77, 77, 77, 103, + 142, 108, 104, 124, 143, 105, 125, 74, 75, 109, + 111, 106, 707, 112, 144, 128, 687, 113, 114, 74, + 75, 110, 129, 130, 147, 115, 135, 131, 684, 136, + 139, 150, 151, 132, 133, 140, 134, 707, 137, 141, + 148, 156, 59, 156, 149, 138, 158, 158, 158, 158, + 158, 158, 158, 59, 189, 59, 160, 161, 163, 164, + 191, 264, 265, 240, 216, 190, 241, 208, 160, 161, + 163, 164, 152, 201, 192, 209, 202, 203, 217, 153, + 204, 235, 205, 154, 226, 150, 151, 683, 155, 71, + + 236, 73, 73, 73, 73, 73, 73, 73, 680, 148, + 227, 59, 679, 149, 165, 165, 74, 75, 166, 166, + 166, 166, 166, 166, 166, 150, 151, 523, 74, 75, + 156, 321, 156, 250, 251, 524, 152, 294, 295, 296, + 322, 556, 681, 153, 675, 250, 251, 154, 326, 327, + 328, 676, 155, 158, 158, 158, 158, 158, 158, 158, + 341, 342, 343, 352, 353, 354, 152, 360, 361, 362, + 364, 365, 366, 153, 374, 375, 376, 154, 678, 248, + 248, 589, 155, 249, 249, 249, 249, 249, 249, 249, + 252, 252, 590, 682, 253, 253, 253, 253, 253, 253, + + 253, 166, 166, 166, 166, 166, 166, 166, 166, 166, + 166, 166, 166, 166, 166, 249, 249, 249, 249, 249, + 249, 249, 602, 603, 254, 249, 249, 249, 249, 249, + 249, 249, 434, 435, 436, 677, 254, 674, 336, 336, + 673, 161, 337, 337, 337, 337, 337, 337, 337, 437, + 438, 439, 672, 161, 253, 253, 253, 253, 253, 253, + 253, 253, 253, 253, 253, 253, 253, 253, 337, 337, + 337, 337, 337, 337, 337, 551, 552, 164, 337, 337, + 337, 337, 337, 337, 337, 425, 426, 427, 675, 164, + 440, 441, 442, 671, 251, 676, 428, 429, 478, 479, + + 480, 500, 501, 502, 469, 670, 251, 525, 681, 481, + 482, 669, 503, 504, 668, 526, 551, 552, 510, 511, + 511, 511, 511, 511, 511, 537, 538, 539, 551, 552, + 612, 613, 612, 613, 612, 613, 540, 541, 551, 552, + 667, 685, 555, 555, 555, 555, 555, 555, 555, 686, + 554, 697, 586, 587, 587, 587, 587, 587, 587, 682, + 692, 666, 551, 552, 615, 690, 695, 693, 551, 552, + 697, 665, 664, 691, 696, 554, 553, 553, 553, 553, + 553, 553, 555, 555, 555, 555, 555, 555, 555, 615, + 612, 613, 690, 663, 692, 695, 662, 612, 613, 661, + + 691, 693, 698, 696, 616, 616, 616, 616, 616, 616, + 616, 614, 614, 614, 614, 614, 614, 612, 613, 700, + 703, 698, 705, 660, 659, 658, 657, 701, 704, 656, + 706, 616, 616, 616, 616, 616, 616, 616, 703, 705, + 655, 654, 653, 652, 651, 650, 704, 706, 57, 57, + 57, 57, 57, 57, 57, 57, 83, 83, 83, 83, + 83, 159, 159, 159, 159, 159, 69, 69, 162, 162, + 167, 167, 167, 247, 247, 649, 247, 247, 247, 247, + 247, 553, 553, 553, 648, 647, 646, 553, 588, 588, + 588, 614, 614, 614, 645, 644, 643, 614, 637, 637, + + 637, 642, 641, 640, 639, 638, 636, 635, 634, 633, + 632, 631, 630, 629, 628, 627, 626, 625, 624, 623, + 622, 621, 620, 619, 618, 617, 611, 610, 609, 608, + 607, 606, 605, 604, 601, 600, 599, 598, 597, 596, + 595, 594, 593, 592, 591, 585, 584, 583, 582, 581, + 580, 579, 578, 577, 576, 575, 574, 573, 572, 571, + 570, 569, 568, 567, 566, 565, 564, 563, 562, 561, + 560, 559, 558, 557, 556, 550, 549, 548, 547, 546, + 545, 544, 543, 542, 536, 535, 534, 533, 532, 531, + 530, 529, 528, 527, 522, 521, 520, 519, 518, 517, + + 516, 515, 514, 513, 512, 509, 508, 507, 506, 505, + 499, 498, 497, 496, 495, 494, 493, 492, 491, 490, + 489, 488, 487, 486, 485, 484, 483, 477, 476, 475, + 474, 473, 472, 471, 470, 469, 468, 467, 466, 465, + 464, 463, 462, 461, 460, 459, 458, 457, 456, 455, + 454, 453, 452, 451, 450, 449, 448, 447, 446, 445, + 444, 443, 433, 432, 431, 430, 424, 423, 422, 421, + 420, 419, 418, 417, 416, 415, 414, 413, 412, 411, + 410, 409, 408, 407, 406, 405, 404, 403, 402, 401, + 400, 399, 398, 397, 396, 395, 394, 393, 392, 391, + + 390, 389, 388, 387, 386, 385, 384, 383, 382, 381, + 380, 379, 378, 377, 373, 372, 371, 370, 369, 368, + 367, 363, 359, 358, 357, 356, 355, 351, 350, 349, + 348, 347, 346, 345, 344, 340, 339, 338, 335, 334, + 333, 332, 331, 330, 329, 325, 324, 323, 320, 319, + 318, 317, 316, 315, 314, 313, 312, 311, 310, 309, + 308, 307, 306, 305, 304, 303, 302, 301, 300, 299, + 298, 297, 293, 292, 291, 290, 289, 288, 287, 286, + 285, 284, 283, 282, 281, 280, 279, 278, 277, 276, + 275, 274, 273, 272, 271, 270, 269, 268, 267, 266, + + 263, 262, 261, 260, 259, 258, 257, 256, 255, 246, + 245, 244, 243, 242, 239, 238, 237, 234, 233, 232, + 231, 230, 229, 228, 225, 224, 223, 222, 221, 220, + 219, 218, 215, 212, 211, 210, 207, 206, 200, 199, + 198, 197, 196, 195, 194, 193, 188, 187, 186, 185, + 184, 183, 182, 181, 178, 177, 176, 175, 174, 173, + 172, 171, 170, 169, 168, 157, 80, 145, 122, 107, + 84, 80, 70, 64, 61, 60, 707, 58, 58, 7, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707 + } ; + +static yyconst flex_int16_t yy_chk[1145] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 2, 9, 13, 9, 2, 15, + 21, 21, 16, 17, 17, 17, 17, 17, 17, 17, + 23, 23, 15, 13, 16, 94, 94, 2, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 19, 35, 19, 19, 19, 19, 19, 19, + 19, 26, 27, 40, 27, 121, 700, 35, 27, 19, + 19, 694, 121, 40, 19, 28, 26, 26, 37, 28, + 29, 19, 19, 30, 29, 30, 28, 36, 688, 28, + 29, 36, 37, 685, 30, 46, 29, 39, 684, 19, + + 20, 31, 20, 20, 20, 20, 20, 20, 20, 31, + 44, 33, 31, 39, 44, 31, 39, 20, 20, 33, + 34, 31, 72, 34, 44, 41, 683, 34, 34, 20, + 20, 33, 41, 41, 46, 34, 42, 41, 679, 42, + 43, 48, 48, 41, 41, 43, 41, 72, 42, 43, + 47, 51, 47, 51, 47, 42, 54, 54, 54, 54, + 54, 54, 54, 59, 103, 59, 69, 69, 71, 71, + 104, 180, 180, 144, 123, 103, 144, 117, 69, 69, + 71, 71, 48, 114, 104, 117, 114, 114, 123, 48, + 114, 140, 114, 48, 132, 149, 149, 677, 48, 73, + + 140, 73, 73, 73, 73, 73, 73, 73, 674, 148, + 132, 148, 673, 148, 74, 74, 73, 73, 74, 74, + 74, 74, 74, 74, 74, 150, 150, 483, 73, 73, + 156, 235, 156, 162, 162, 483, 149, 210, 210, 210, + 235, 556, 676, 149, 670, 162, 162, 149, 239, 239, + 239, 670, 149, 158, 158, 158, 158, 158, 158, 158, + 259, 259, 259, 269, 269, 269, 150, 278, 278, 278, + 282, 282, 282, 150, 290, 290, 290, 150, 672, 160, + 160, 556, 150, 160, 160, 160, 160, 160, 160, 160, + 163, 163, 556, 676, 163, 163, 163, 163, 163, 163, + + 163, 165, 165, 165, 165, 165, 165, 165, 166, 166, + 166, 166, 166, 166, 166, 248, 248, 248, 248, 248, + 248, 248, 577, 577, 166, 249, 249, 249, 249, 249, + 249, 249, 378, 378, 378, 671, 166, 665, 250, 250, + 664, 249, 250, 250, 250, 250, 250, 250, 250, 379, + 379, 379, 663, 249, 252, 252, 252, 252, 252, 252, + 252, 253, 253, 253, 253, 253, 253, 253, 336, 336, + 336, 336, 336, 336, 336, 588, 588, 253, 337, 337, + 337, 337, 337, 337, 337, 368, 368, 368, 675, 253, + 380, 380, 380, 657, 337, 675, 368, 368, 424, 424, + + 424, 463, 463, 463, 469, 656, 337, 484, 681, 424, + 424, 654, 463, 463, 653, 484, 510, 510, 469, 469, + 469, 469, 469, 469, 469, 497, 497, 497, 511, 511, + 586, 586, 612, 612, 637, 637, 497, 497, 551, 551, + 652, 682, 511, 511, 511, 511, 511, 511, 511, 682, + 510, 693, 551, 551, 551, 551, 551, 551, 551, 681, + 687, 651, 553, 553, 586, 686, 689, 687, 555, 555, + 697, 650, 649, 686, 689, 510, 553, 553, 553, 553, + 553, 553, 555, 555, 555, 555, 555, 555, 555, 586, + 587, 587, 690, 648, 692, 695, 647, 614, 614, 646, + + 690, 692, 693, 695, 587, 587, 587, 587, 587, 587, + 587, 614, 614, 614, 614, 614, 614, 616, 616, 698, + 701, 697, 702, 644, 641, 640, 639, 698, 701, 638, + 702, 616, 616, 616, 616, 616, 616, 616, 703, 705, + 636, 635, 634, 632, 631, 630, 703, 705, 708, 708, + 708, 708, 708, 708, 708, 708, 709, 709, 709, 709, + 709, 710, 710, 710, 710, 710, 711, 711, 712, 712, + 713, 713, 713, 714, 714, 629, 714, 714, 714, 714, + 714, 715, 715, 715, 628, 627, 625, 715, 716, 716, + 716, 717, 717, 717, 624, 623, 622, 717, 718, 718, + + 718, 621, 620, 619, 618, 617, 609, 608, 607, 606, + 605, 604, 603, 602, 601, 600, 599, 598, 597, 596, + 595, 593, 592, 591, 590, 589, 585, 584, 583, 582, + 581, 580, 579, 578, 576, 572, 567, 566, 565, 564, + 563, 562, 561, 560, 559, 550, 547, 546, 544, 543, + 541, 540, 539, 538, 537, 536, 535, 534, 533, 531, + 530, 529, 528, 527, 526, 525, 524, 523, 522, 521, + 519, 518, 514, 513, 512, 509, 508, 506, 504, 503, + 502, 501, 500, 498, 496, 495, 494, 493, 492, 491, + 489, 488, 487, 486, 482, 481, 480, 479, 478, 477, + + 474, 473, 472, 471, 470, 468, 467, 466, 465, 464, + 462, 461, 454, 453, 450, 449, 446, 445, 444, 443, + 432, 431, 429, 428, 427, 426, 425, 422, 420, 419, + 418, 416, 415, 413, 412, 411, 410, 408, 407, 405, + 403, 402, 401, 400, 399, 398, 397, 396, 395, 394, + 392, 391, 390, 389, 388, 387, 386, 385, 384, 383, + 382, 381, 377, 373, 372, 369, 367, 357, 355, 351, + 350, 349, 348, 346, 344, 339, 338, 335, 334, 333, + 332, 331, 330, 325, 324, 323, 322, 321, 320, 319, + 316, 315, 314, 313, 312, 311, 310, 309, 308, 307, + + 306, 305, 304, 303, 302, 301, 300, 299, 298, 297, + 296, 295, 294, 291, 289, 288, 287, 286, 285, 284, + 283, 281, 277, 275, 274, 273, 272, 268, 267, 266, + 265, 264, 263, 262, 261, 258, 256, 255, 246, 245, + 244, 243, 242, 241, 240, 238, 237, 236, 234, 233, + 232, 231, 230, 229, 228, 227, 226, 225, 224, 223, + 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, + 212, 211, 209, 208, 207, 206, 205, 204, 203, 202, + 201, 200, 199, 198, 197, 196, 195, 194, 192, 191, + 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, + + 179, 178, 177, 176, 175, 174, 173, 172, 170, 155, + 154, 153, 152, 145, 143, 142, 141, 139, 138, 137, + 136, 135, 134, 133, 131, 130, 129, 128, 127, 126, + 125, 124, 122, 120, 119, 118, 116, 115, 113, 112, + 110, 109, 108, 107, 106, 105, 102, 101, 100, 99, + 98, 97, 96, 95, 93, 92, 91, 90, 89, 88, + 87, 86, 85, 82, 78, 53, 49, 45, 38, 32, + 25, 22, 18, 14, 12, 11, 7, 6, 5, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707 + } ; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +#line 1 "glsl_lexer.lpp" +#line 2 "glsl_lexer.lpp" +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <ctype.h> +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT yylineno = 0; yycolumn = 0; + +#define TOKEN_OR_IDENTIFIER(version, token) \ + do { \ + if (yyextra->language_version >= version) { \ + return token; \ + } else { \ + yylval->identifier = strdup(yytext); \ + return IDENTIFIER; \ + } \ + } while (0) + +/* Handle reserved words in GLSL ES (version 100) */ +#define TOKEN_OR_IDENTIFIER_ES(version, token) \ + do { \ + if (yyextra->es_shader) { \ + return token; \ + } else { \ + TOKEN_OR_IDENTIFIER(version, token); \ + } \ + } while (0) + +#define RESERVED_WORD(version, token) \ + do { \ + if (yyextra->language_version >= version) { \ + return token; \ + } else { \ + _mesa_glsl_error(yylloc, yyextra, \ + "Illegal use of reserved word `%s'", yytext); \ + return ERROR_TOK; \ + } \ + } while (0) + +#line 990 "glsl_lexer.cpp" + +#define INITIAL 0 +#define PP 1 +#define PRAGMA 2 + +#define YY_EXTRA_TYPE struct _mesa_glsl_parse_state * + +/* Holds the entire state of the reentrant scanner. */ +struct yyguts_t + { + + /* User-defined. Not touched by flex. */ + YY_EXTRA_TYPE yyextra_r; + + /* The rest are the same as the globals declared in the non-reentrant scanner. */ + FILE *yyin_r, *yyout_r; + size_t yy_buffer_stack_top; /**< index of top of stack. */ + size_t yy_buffer_stack_max; /**< capacity of stack. */ + YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ + char yy_hold_char; + int yy_n_chars; + int yyleng_r; + char *yy_c_buf_p; + int yy_init; + int yy_start; + int yy_did_buffer_switch_on_eof; + int yy_start_stack_ptr; + int yy_start_stack_depth; + int *yy_start_stack; + yy_state_type yy_last_accepting_state; + char* yy_last_accepting_cpos; + + int yylineno_r; + int yy_flex_debug_r; + + char *yytext_r; + int yy_more_flag; + int yy_more_len; + + YYSTYPE * yylval_r; + + YYLTYPE * yylloc_r; + + }; /* end struct yyguts_t */ + +static int yy_init_globals (yyscan_t yyscanner ); + + /* This must go here because YYSTYPE and YYLTYPE are included + * from bison output in section 1.*/ + # define yylval yyg->yylval_r + + # define yylloc yyg->yylloc_r + +int _mesa_glsl_lex_init (yyscan_t* scanner); + +int _mesa_glsl_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int _mesa_glsl_lex_destroy (yyscan_t yyscanner ); + +int _mesa_glsl_get_debug (yyscan_t yyscanner ); + +void _mesa_glsl_set_debug (int debug_flag ,yyscan_t yyscanner ); + +YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner ); + +void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); + +FILE *_mesa_glsl_get_in (yyscan_t yyscanner ); + +void _mesa_glsl_set_in (FILE * in_str ,yyscan_t yyscanner ); + +FILE *_mesa_glsl_get_out (yyscan_t yyscanner ); + +void _mesa_glsl_set_out (FILE * out_str ,yyscan_t yyscanner ); + +int _mesa_glsl_get_leng (yyscan_t yyscanner ); + +char *_mesa_glsl_get_text (yyscan_t yyscanner ); + +int _mesa_glsl_get_lineno (yyscan_t yyscanner ); + +void _mesa_glsl_set_lineno (int line_number ,yyscan_t yyscanner ); + +YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner ); + +void _mesa_glsl_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner ); + + YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner ); + + void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int _mesa_glsl_wrap (yyscan_t yyscanner ); +#else +extern int _mesa_glsl_wrap (yyscan_t yyscanner ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (yyscan_t yyscanner ); +#else +static int input (yyscan_t yyscanner ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + int n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int _mesa_glsl_lex \ + (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner); + +#define YY_DECL int _mesa_glsl_lex \ + (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + +#line 86 "glsl_lexer.lpp" + + +#line 1227 "glsl_lexer.cpp" + + yylval = yylval_param; + + yylloc = yylloc_param; + + if ( !yyg->yy_init ) + { + yyg->yy_init = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yyg->yy_start ) + yyg->yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + _mesa_glsl_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + _mesa_glsl__load_buffer_state(yyscanner ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yyg->yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yyg->yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 708 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_current_state != 707 ); + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yyg->yy_hold_char; + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 88 "glsl_lexer.lpp" +; + YY_BREAK +/* Preprocessor tokens. */ +case 2: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 91 "glsl_lexer.lpp" +; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 92 "glsl_lexer.lpp" +{ BEGIN PP; return VERSION; } + YY_BREAK +case 4: +YY_RULE_SETUP +#line 93 "glsl_lexer.lpp" +{ BEGIN PP; return EXTENSION; } + YY_BREAK +case 5: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 94 "glsl_lexer.lpp" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); + } + YY_BREAK +case 6: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 109 "glsl_lexer.lpp" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 123 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_DEBUG_ON; + } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 127 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_DEBUG_OFF; + } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 131 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_OPTIMIZE_ON; + } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 135 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_OPTIMIZE_OFF; + } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 139 "glsl_lexer.lpp" +{ BEGIN PRAGMA; } + YY_BREAK +case 12: +/* rule 12 can match eol */ +YY_RULE_SETUP +#line 141 "glsl_lexer.lpp" +{ BEGIN 0; yylineno++; yycolumn = 0; } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 142 "glsl_lexer.lpp" +{ } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 144 "glsl_lexer.lpp" +{ } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 145 "glsl_lexer.lpp" +{ } + YY_BREAK +case 16: +YY_RULE_SETUP +#line 146 "glsl_lexer.lpp" +return COLON; + YY_BREAK +case 17: +YY_RULE_SETUP +#line 147 "glsl_lexer.lpp" +{ + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + YY_BREAK +case 18: +YY_RULE_SETUP +#line 151 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } + YY_BREAK +case 19: +/* rule 19 can match eol */ +YY_RULE_SETUP +#line 155 "glsl_lexer.lpp" +{ BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + YY_BREAK +case 20: +/* rule 20 can match eol */ +YY_RULE_SETUP +#line 157 "glsl_lexer.lpp" +{ yylineno++; yycolumn = 0; } + YY_BREAK +case 21: +YY_RULE_SETUP +#line 159 "glsl_lexer.lpp" +return ATTRIBUTE; + YY_BREAK +case 22: +YY_RULE_SETUP +#line 160 "glsl_lexer.lpp" +return CONST_TOK; + YY_BREAK +case 23: +YY_RULE_SETUP +#line 161 "glsl_lexer.lpp" +return BOOL_TOK; + YY_BREAK +case 24: +YY_RULE_SETUP +#line 162 "glsl_lexer.lpp" +return FLOAT_TOK; + YY_BREAK +case 25: +YY_RULE_SETUP +#line 163 "glsl_lexer.lpp" +return INT_TOK; + YY_BREAK +case 26: +YY_RULE_SETUP +#line 165 "glsl_lexer.lpp" +return BREAK; + YY_BREAK +case 27: +YY_RULE_SETUP +#line 166 "glsl_lexer.lpp" +return CONTINUE; + YY_BREAK +case 28: +YY_RULE_SETUP +#line 167 "glsl_lexer.lpp" +return DO; + YY_BREAK +case 29: +YY_RULE_SETUP +#line 168 "glsl_lexer.lpp" +return WHILE; + YY_BREAK +case 30: +YY_RULE_SETUP +#line 169 "glsl_lexer.lpp" +return ELSE; + YY_BREAK +case 31: +YY_RULE_SETUP +#line 170 "glsl_lexer.lpp" +return FOR; + YY_BREAK +case 32: +YY_RULE_SETUP +#line 171 "glsl_lexer.lpp" +return IF; + YY_BREAK +case 33: +YY_RULE_SETUP +#line 172 "glsl_lexer.lpp" +return DISCARD; + YY_BREAK +case 34: +YY_RULE_SETUP +#line 173 "glsl_lexer.lpp" +return RETURN; + YY_BREAK +case 35: +YY_RULE_SETUP +#line 175 "glsl_lexer.lpp" +return BVEC2; + YY_BREAK +case 36: +YY_RULE_SETUP +#line 176 "glsl_lexer.lpp" +return BVEC3; + YY_BREAK +case 37: +YY_RULE_SETUP +#line 177 "glsl_lexer.lpp" +return BVEC4; + YY_BREAK +case 38: +YY_RULE_SETUP +#line 178 "glsl_lexer.lpp" +return IVEC2; + YY_BREAK +case 39: +YY_RULE_SETUP +#line 179 "glsl_lexer.lpp" +return IVEC3; + YY_BREAK +case 40: +YY_RULE_SETUP +#line 180 "glsl_lexer.lpp" +return IVEC4; + YY_BREAK +case 41: +YY_RULE_SETUP +#line 181 "glsl_lexer.lpp" +return VEC2; + YY_BREAK +case 42: +YY_RULE_SETUP +#line 182 "glsl_lexer.lpp" +return VEC3; + YY_BREAK +case 43: +YY_RULE_SETUP +#line 183 "glsl_lexer.lpp" +return VEC4; + YY_BREAK +case 44: +YY_RULE_SETUP +#line 184 "glsl_lexer.lpp" +return MAT2X2; + YY_BREAK +case 45: +YY_RULE_SETUP +#line 185 "glsl_lexer.lpp" +return MAT3X3; + YY_BREAK +case 46: +YY_RULE_SETUP +#line 186 "glsl_lexer.lpp" +return MAT4X4; + YY_BREAK +case 47: +YY_RULE_SETUP +#line 187 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT2X2); + YY_BREAK +case 48: +YY_RULE_SETUP +#line 188 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT2X3); + YY_BREAK +case 49: +YY_RULE_SETUP +#line 189 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT2X4); + YY_BREAK +case 50: +YY_RULE_SETUP +#line 190 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT3X2); + YY_BREAK +case 51: +YY_RULE_SETUP +#line 191 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT3X3); + YY_BREAK +case 52: +YY_RULE_SETUP +#line 192 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT3X4); + YY_BREAK +case 53: +YY_RULE_SETUP +#line 193 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT4X2); + YY_BREAK +case 54: +YY_RULE_SETUP +#line 194 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT4X3); + YY_BREAK +case 55: +YY_RULE_SETUP +#line 195 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, MAT4X4); + YY_BREAK +case 56: +YY_RULE_SETUP +#line 197 "glsl_lexer.lpp" +return IN_TOK; + YY_BREAK +case 57: +YY_RULE_SETUP +#line 198 "glsl_lexer.lpp" +return OUT_TOK; + YY_BREAK +case 58: +YY_RULE_SETUP +#line 199 "glsl_lexer.lpp" +return INOUT_TOK; + YY_BREAK +case 59: +YY_RULE_SETUP +#line 200 "glsl_lexer.lpp" +return UNIFORM; + YY_BREAK +case 60: +YY_RULE_SETUP +#line 201 "glsl_lexer.lpp" +return VARYING; + YY_BREAK +case 61: +YY_RULE_SETUP +#line 202 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(120, CENTROID); + YY_BREAK +case 62: +YY_RULE_SETUP +#line 203 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(120, INVARIANT); + YY_BREAK +case 63: +YY_RULE_SETUP +#line 205 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(130, FLAT); + YY_BREAK +case 64: +YY_RULE_SETUP +#line 206 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, SMOOTH); + YY_BREAK +case 65: +YY_RULE_SETUP +#line 207 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, NOPERSPECTIVE); + YY_BREAK +case 66: +YY_RULE_SETUP +#line 209 "glsl_lexer.lpp" +return SAMPLER1D; + YY_BREAK +case 67: +YY_RULE_SETUP +#line 210 "glsl_lexer.lpp" +return SAMPLER2D; + YY_BREAK +case 68: +YY_RULE_SETUP +#line 211 "glsl_lexer.lpp" +return SAMPLER3D; + YY_BREAK +case 69: +YY_RULE_SETUP +#line 212 "glsl_lexer.lpp" +return SAMPLERCUBE; + YY_BREAK +case 70: +YY_RULE_SETUP +#line 213 "glsl_lexer.lpp" +return SAMPLER1DSHADOW; + YY_BREAK +case 71: +YY_RULE_SETUP +#line 214 "glsl_lexer.lpp" +return SAMPLER2DSHADOW; + YY_BREAK +case 72: +YY_RULE_SETUP +#line 216 "glsl_lexer.lpp" +return STRUCT; + YY_BREAK +case 73: +YY_RULE_SETUP +#line 217 "glsl_lexer.lpp" +return VOID_TOK; + YY_BREAK +case 74: +YY_RULE_SETUP +#line 219 "glsl_lexer.lpp" +{ + if ((yyextra->language_version >= 140) + || (yyextra->ARB_fragment_coord_conventions_enable)){ + return LAYOUT_TOK; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 75: +YY_RULE_SETUP +#line 229 "glsl_lexer.lpp" +return INC_OP; + YY_BREAK +case 76: +YY_RULE_SETUP +#line 230 "glsl_lexer.lpp" +return DEC_OP; + YY_BREAK +case 77: +YY_RULE_SETUP +#line 231 "glsl_lexer.lpp" +return LE_OP; + YY_BREAK +case 78: +YY_RULE_SETUP +#line 232 "glsl_lexer.lpp" +return GE_OP; + YY_BREAK +case 79: +YY_RULE_SETUP +#line 233 "glsl_lexer.lpp" +return EQ_OP; + YY_BREAK +case 80: +YY_RULE_SETUP +#line 234 "glsl_lexer.lpp" +return NE_OP; + YY_BREAK +case 81: +YY_RULE_SETUP +#line 235 "glsl_lexer.lpp" +return AND_OP; + YY_BREAK +case 82: +YY_RULE_SETUP +#line 236 "glsl_lexer.lpp" +return OR_OP; + YY_BREAK +case 83: +YY_RULE_SETUP +#line 237 "glsl_lexer.lpp" +return XOR_OP; + YY_BREAK +case 84: +YY_RULE_SETUP +#line 239 "glsl_lexer.lpp" +return MUL_ASSIGN; + YY_BREAK +case 85: +YY_RULE_SETUP +#line 240 "glsl_lexer.lpp" +return DIV_ASSIGN; + YY_BREAK +case 86: +YY_RULE_SETUP +#line 241 "glsl_lexer.lpp" +return ADD_ASSIGN; + YY_BREAK +case 87: +YY_RULE_SETUP +#line 242 "glsl_lexer.lpp" +return MOD_ASSIGN; + YY_BREAK +case 88: +YY_RULE_SETUP +#line 243 "glsl_lexer.lpp" +return LEFT_ASSIGN; + YY_BREAK +case 89: +YY_RULE_SETUP +#line 244 "glsl_lexer.lpp" +return RIGHT_ASSIGN; + YY_BREAK +case 90: +YY_RULE_SETUP +#line 245 "glsl_lexer.lpp" +return AND_ASSIGN; + YY_BREAK +case 91: +YY_RULE_SETUP +#line 246 "glsl_lexer.lpp" +return XOR_ASSIGN; + YY_BREAK +case 92: +YY_RULE_SETUP +#line 247 "glsl_lexer.lpp" +return OR_ASSIGN; + YY_BREAK +case 93: +YY_RULE_SETUP +#line 248 "glsl_lexer.lpp" +return SUB_ASSIGN; + YY_BREAK +case 94: +YY_RULE_SETUP +#line 250 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } + YY_BREAK +case 95: +YY_RULE_SETUP +#line 254 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext + 2, NULL, 16); + return INTCONSTANT; + } + YY_BREAK +case 96: +YY_RULE_SETUP +#line 258 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 8); + return INTCONSTANT; + } + YY_BREAK +case 97: +YY_RULE_SETUP +#line 263 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 98: +YY_RULE_SETUP +#line 267 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 99: +YY_RULE_SETUP +#line 271 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 100: +YY_RULE_SETUP +#line 275 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 101: +YY_RULE_SETUP +#line 279 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 102: +YY_RULE_SETUP +#line 284 "glsl_lexer.lpp" +{ + yylval->n = 1; + return BOOLCONSTANT; + } + YY_BREAK +case 103: +YY_RULE_SETUP +#line 288 "glsl_lexer.lpp" +{ + yylval->n = 0; + return BOOLCONSTANT; + } + YY_BREAK +/* Reserved words in GLSL 1.10. */ +case 104: +YY_RULE_SETUP +#line 295 "glsl_lexer.lpp" +RESERVED_WORD(999, ASM); + YY_BREAK +case 105: +YY_RULE_SETUP +#line 296 "glsl_lexer.lpp" +RESERVED_WORD(999, CLASS); + YY_BREAK +case 106: +YY_RULE_SETUP +#line 297 "glsl_lexer.lpp" +RESERVED_WORD(999, UNION); + YY_BREAK +case 107: +YY_RULE_SETUP +#line 298 "glsl_lexer.lpp" +RESERVED_WORD(999, ENUM); + YY_BREAK +case 108: +YY_RULE_SETUP +#line 299 "glsl_lexer.lpp" +RESERVED_WORD(999, TYPEDEF); + YY_BREAK +case 109: +YY_RULE_SETUP +#line 300 "glsl_lexer.lpp" +RESERVED_WORD(999, TEMPLATE); + YY_BREAK +case 110: +YY_RULE_SETUP +#line 301 "glsl_lexer.lpp" +RESERVED_WORD(999, THIS); + YY_BREAK +case 111: +YY_RULE_SETUP +#line 302 "glsl_lexer.lpp" +RESERVED_WORD(999, PACKED_TOK); + YY_BREAK +case 112: +YY_RULE_SETUP +#line 303 "glsl_lexer.lpp" +RESERVED_WORD(999, GOTO); + YY_BREAK +case 113: +YY_RULE_SETUP +#line 304 "glsl_lexer.lpp" +RESERVED_WORD(130, SWITCH); + YY_BREAK +case 114: +YY_RULE_SETUP +#line 305 "glsl_lexer.lpp" +RESERVED_WORD(130, DEFAULT); + YY_BREAK +case 115: +YY_RULE_SETUP +#line 306 "glsl_lexer.lpp" +RESERVED_WORD(999, INLINE_TOK); + YY_BREAK +case 116: +YY_RULE_SETUP +#line 307 "glsl_lexer.lpp" +RESERVED_WORD(999, NOINLINE); + YY_BREAK +case 117: +YY_RULE_SETUP +#line 308 "glsl_lexer.lpp" +RESERVED_WORD(999, VOLATILE); + YY_BREAK +case 118: +YY_RULE_SETUP +#line 309 "glsl_lexer.lpp" +RESERVED_WORD(999, PUBLIC_TOK); + YY_BREAK +case 119: +YY_RULE_SETUP +#line 310 "glsl_lexer.lpp" +RESERVED_WORD(999, STATIC); + YY_BREAK +case 120: +YY_RULE_SETUP +#line 311 "glsl_lexer.lpp" +RESERVED_WORD(999, EXTERN); + YY_BREAK +case 121: +YY_RULE_SETUP +#line 312 "glsl_lexer.lpp" +RESERVED_WORD(999, EXTERNAL); + YY_BREAK +case 122: +YY_RULE_SETUP +#line 313 "glsl_lexer.lpp" +RESERVED_WORD(999, INTERFACE); + YY_BREAK +case 123: +YY_RULE_SETUP +#line 314 "glsl_lexer.lpp" +RESERVED_WORD(999, LONG_TOK); + YY_BREAK +case 124: +YY_RULE_SETUP +#line 315 "glsl_lexer.lpp" +RESERVED_WORD(999, SHORT_TOK); + YY_BREAK +case 125: +YY_RULE_SETUP +#line 316 "glsl_lexer.lpp" +RESERVED_WORD(999, DOUBLE_TOK); + YY_BREAK +case 126: +YY_RULE_SETUP +#line 317 "glsl_lexer.lpp" +RESERVED_WORD(999, HALF); + YY_BREAK +case 127: +YY_RULE_SETUP +#line 318 "glsl_lexer.lpp" +RESERVED_WORD(999, FIXED_TOK); + YY_BREAK +case 128: +YY_RULE_SETUP +#line 319 "glsl_lexer.lpp" +RESERVED_WORD(999, UNSIGNED); + YY_BREAK +case 129: +YY_RULE_SETUP +#line 320 "glsl_lexer.lpp" +RESERVED_WORD(999, INPUT_TOK); + YY_BREAK +case 130: +YY_RULE_SETUP +#line 321 "glsl_lexer.lpp" +RESERVED_WORD(999, OUTPUT); + YY_BREAK +case 131: +YY_RULE_SETUP +#line 322 "glsl_lexer.lpp" +RESERVED_WORD(999, HVEC2); + YY_BREAK +case 132: +YY_RULE_SETUP +#line 323 "glsl_lexer.lpp" +RESERVED_WORD(999, HVEC3); + YY_BREAK +case 133: +YY_RULE_SETUP +#line 324 "glsl_lexer.lpp" +RESERVED_WORD(999, HVEC4); + YY_BREAK +case 134: +YY_RULE_SETUP +#line 325 "glsl_lexer.lpp" +RESERVED_WORD(999, DVEC2); + YY_BREAK +case 135: +YY_RULE_SETUP +#line 326 "glsl_lexer.lpp" +RESERVED_WORD(999, DVEC3); + YY_BREAK +case 136: +YY_RULE_SETUP +#line 327 "glsl_lexer.lpp" +RESERVED_WORD(999, DVEC4); + YY_BREAK +case 137: +YY_RULE_SETUP +#line 328 "glsl_lexer.lpp" +RESERVED_WORD(999, FVEC2); + YY_BREAK +case 138: +YY_RULE_SETUP +#line 329 "glsl_lexer.lpp" +RESERVED_WORD(999, FVEC3); + YY_BREAK +case 139: +YY_RULE_SETUP +#line 330 "glsl_lexer.lpp" +RESERVED_WORD(999, FVEC4); + YY_BREAK +case 140: +YY_RULE_SETUP +#line 331 "glsl_lexer.lpp" +return SAMPLER2DRECT; + YY_BREAK +case 141: +YY_RULE_SETUP +#line 332 "glsl_lexer.lpp" +RESERVED_WORD(999, SAMPLER3DRECT); + YY_BREAK +case 142: +YY_RULE_SETUP +#line 333 "glsl_lexer.lpp" +return SAMPLER2DRECTSHADOW; + YY_BREAK +case 143: +YY_RULE_SETUP +#line 334 "glsl_lexer.lpp" +RESERVED_WORD(999, SIZEOF); + YY_BREAK +case 144: +YY_RULE_SETUP +#line 335 "glsl_lexer.lpp" +RESERVED_WORD(999, CAST); + YY_BREAK +case 145: +YY_RULE_SETUP +#line 336 "glsl_lexer.lpp" +RESERVED_WORD(999, NAMESPACE); + YY_BREAK +case 146: +YY_RULE_SETUP +#line 337 "glsl_lexer.lpp" +RESERVED_WORD(999, USING); + YY_BREAK +/* Additional reserved words in GLSL 1.20. */ +case 147: +YY_RULE_SETUP +#line 340 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(120, LOWP); + YY_BREAK +case 148: +YY_RULE_SETUP +#line 341 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(120, MEDIUMP); + YY_BREAK +case 149: +YY_RULE_SETUP +#line 342 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(120, HIGHP); + YY_BREAK +case 150: +YY_RULE_SETUP +#line 343 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(120, PRECISION); + YY_BREAK +/* Additional reserved words in GLSL 1.30. */ +case 151: +YY_RULE_SETUP +#line 346 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, COMMON); + YY_BREAK +case 152: +YY_RULE_SETUP +#line 347 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, PARTITION); + YY_BREAK +case 153: +YY_RULE_SETUP +#line 348 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, ACTIVE); + YY_BREAK +case 154: +YY_RULE_SETUP +#line 349 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER_ES(130, SUPERP); + YY_BREAK +case 155: +YY_RULE_SETUP +#line 350 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, SAMPLERBUFFER); + YY_BREAK +case 156: +YY_RULE_SETUP +#line 351 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, FILTER); + YY_BREAK +case 157: +YY_RULE_SETUP +#line 352 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE1D); + YY_BREAK +case 158: +YY_RULE_SETUP +#line 353 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE2D); + YY_BREAK +case 159: +YY_RULE_SETUP +#line 354 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE3D); + YY_BREAK +case 160: +YY_RULE_SETUP +#line 355 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGECUBE); + YY_BREAK +case 161: +YY_RULE_SETUP +#line 356 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGE1D); + YY_BREAK +case 162: +YY_RULE_SETUP +#line 357 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGE2D); + YY_BREAK +case 163: +YY_RULE_SETUP +#line 358 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGE3D); + YY_BREAK +case 164: +YY_RULE_SETUP +#line 359 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGECUBE); + YY_BREAK +case 165: +YY_RULE_SETUP +#line 360 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGE1D); + YY_BREAK +case 166: +YY_RULE_SETUP +#line 361 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGE2D); + YY_BREAK +case 167: +YY_RULE_SETUP +#line 362 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGE3D); + YY_BREAK +case 168: +YY_RULE_SETUP +#line 363 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGECUBE); + YY_BREAK +case 169: +YY_RULE_SETUP +#line 364 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE1DARRAY); + YY_BREAK +case 170: +YY_RULE_SETUP +#line 365 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE2DARRAY); + YY_BREAK +case 171: +YY_RULE_SETUP +#line 366 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGE1DARRAY); + YY_BREAK +case 172: +YY_RULE_SETUP +#line 367 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGE2DARRAY); + YY_BREAK +case 173: +YY_RULE_SETUP +#line 368 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGE1DARRAY); + YY_BREAK +case 174: +YY_RULE_SETUP +#line 369 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGE2DARRAY); + YY_BREAK +case 175: +YY_RULE_SETUP +#line 370 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE1DSHADOW); + YY_BREAK +case 176: +YY_RULE_SETUP +#line 371 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGE2DSHADOW); + YY_BREAK +case 177: +YY_RULE_SETUP +#line 372 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IMAGEBUFFER); + YY_BREAK +case 178: +YY_RULE_SETUP +#line 373 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, IIMAGEBUFFER); + YY_BREAK +case 179: +YY_RULE_SETUP +#line 374 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, UIMAGEBUFFER); + YY_BREAK +case 180: +YY_RULE_SETUP +#line 375 "glsl_lexer.lpp" +TOKEN_OR_IDENTIFIER(130, ROW_MAJOR); + YY_BREAK +case 181: +YY_RULE_SETUP +#line 377 "glsl_lexer.lpp" +{ + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = state; + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + YY_BREAK +case 182: +YY_RULE_SETUP +#line 384 "glsl_lexer.lpp" +{ return yytext[0]; } + YY_BREAK +case 183: +YY_RULE_SETUP +#line 386 "glsl_lexer.lpp" +ECHO; + YY_BREAK +#line 2330 "glsl_lexer.cpp" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(PP): +case YY_STATE_EOF(PRAGMA): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yyg->yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * _mesa_glsl_lex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); + + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yyg->yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_END_OF_FILE: + { + yyg->yy_did_buffer_switch_on_eof = 0; + + if ( _mesa_glsl_wrap(yyscanner ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = + yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yyg->yy_c_buf_p = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of _mesa_glsl_lex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = yyg->yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) (yyg->yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + _mesa_glsl_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + yyg->yy_n_chars, (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + if ( yyg->yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + _mesa_glsl_restart(yyin ,yyscanner); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) _mesa_glsl_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + yyg->yy_n_chars += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (yyscan_t yyscanner) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); + + for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 708 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) +{ + register int yy_is_jam; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ + register char *yy_cp = yyg->yy_c_buf_p; + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 708 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 707); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (yyscan_t yyscanner) +#else + static int input (yyscan_t yyscanner) +#endif + +{ + int c; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + *yyg->yy_c_buf_p = yyg->yy_hold_char; + + if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + /* This was really a NUL. */ + *yyg->yy_c_buf_p = '\0'; + + else + { /* need more input */ + int offset = yyg->yy_c_buf_p - yyg->yytext_ptr; + ++yyg->yy_c_buf_p; + + switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + _mesa_glsl_restart(yyin ,yyscanner); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( _mesa_glsl_wrap(yyscanner ) ) + return EOF; + + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(yyscanner); +#else + return input(yyscanner); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = yyg->yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ + *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ + yyg->yy_hold_char = *++yyg->yy_c_buf_p; + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * @param yyscanner The scanner object. + * @note This function does not reset the start condition to @c INITIAL . + */ + void _mesa_glsl_restart (FILE * input_file , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! YY_CURRENT_BUFFER ){ + _mesa_glsl_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + _mesa_glsl__init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); + _mesa_glsl__load_buffer_state(yyscanner ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * @param yyscanner The scanner object. + */ + void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* TODO. We should be able to replace this entire function body + * with + * _mesa_glsl_pop_buffer_state(); + * _mesa_glsl_push_buffer_state(new_buffer); + */ + _mesa_glsl_ensure_buffer_stack (yyscanner); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + _mesa_glsl__load_buffer_state(yyscanner ); + + /* We don't actually know whether we did this switch during + * EOF (_mesa_glsl_wrap()) processing, but the only time this flag + * is looked at is after _mesa_glsl_wrap() is called, so it's safe + * to go ahead and always set it. + */ + yyg->yy_did_buffer_switch_on_eof = 1; +} + +static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + yyg->yy_hold_char = *yyg->yy_c_buf_p; +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * @param yyscanner The scanner object. + * @return the allocated buffer state. + */ + YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE * file, int size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) _mesa_glsl_alloc(b->yy_buf_size + 2 ,yyscanner ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); + + b->yy_is_our_buffer = 1; + + _mesa_glsl__init_buffer(b,file ,yyscanner); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with _mesa_glsl__create_buffer() + * @param yyscanner The scanner object. + */ + void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + _mesa_glsl_free((void *) b->yy_ch_buf ,yyscanner ); + + _mesa_glsl_free((void *) b ,yyscanner ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a _mesa_glsl_restart() or at EOF. + */ + static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) + +{ + int oerrno = errno; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + _mesa_glsl__flush_buffer(b ,yyscanner); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then _mesa_glsl__init_buffer was _probably_ + * called from _mesa_glsl_restart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * @param yyscanner The scanner object. + */ + void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + _mesa_glsl__load_buffer_state(yyscanner ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (new_buffer == NULL) + return; + + _mesa_glsl_ensure_buffer_stack(yyscanner); + + /* This block is copied from _mesa_glsl__switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + yyg->yy_buffer_stack_top++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from _mesa_glsl__switch_to_buffer. */ + _mesa_glsl__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (!YY_CURRENT_BUFFER) + return; + + _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner); + YY_CURRENT_BUFFER_LVALUE = NULL; + if (yyg->yy_buffer_stack_top > 0) + --yyg->yy_buffer_stack_top; + + if (YY_CURRENT_BUFFER) { + _mesa_glsl__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner) +{ + int num_to_alloc; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (!yyg->yy_buffer_stack) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_alloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); + + memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + yyg->yy_buffer_stack_max = num_to_alloc; + yyg->yy_buffer_stack_top = 0; + return; + } + + if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = yyg->yy_buffer_stack_max + grow_size; + yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_realloc + (yyg->yy_buffer_stack, + num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); + yyg->yy_buffer_stack_max = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE _mesa_glsl__scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + _mesa_glsl__switch_to_buffer(b ,yyscanner ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to _mesa_glsl_lex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * _mesa_glsl__scan_bytes() instead. + */ +YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char * yystr , yyscan_t yyscanner) +{ + + return _mesa_glsl__scan_bytes(yystr,strlen(yystr) ,yyscanner); +} + +/** Setup the input buffer state to scan the given bytes. The next call to _mesa_glsl_lex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) _mesa_glsl_alloc(n ,yyscanner ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = _mesa_glsl__scan_buffer(buf,n ,yyscanner); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in _mesa_glsl__scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = yyg->yy_hold_char; \ + yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ + yyg->yy_hold_char = *yyg->yy_c_buf_p; \ + *yyg->yy_c_buf_p = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the user-defined data for this scanner. + * @param yyscanner The scanner object. + */ +YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyextra; +} + +/** Get the current line number. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_lineno (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yylineno; +} + +/** Get the current column number. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_column (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yycolumn; +} + +/** Get the input stream. + * @param yyscanner The scanner object. + */ +FILE *_mesa_glsl_get_in (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyin; +} + +/** Get the output stream. + * @param yyscanner The scanner object. + */ +FILE *_mesa_glsl_get_out (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyout; +} + +/** Get the length of the current token. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_leng (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyleng; +} + +/** Get the current token. + * @param yyscanner The scanner object. + */ + +char *_mesa_glsl_get_text (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yytext; +} + +/** Set the user-defined data. This data is never touched by the scanner. + * @param user_defined The data to be associated with this scanner. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyextra = user_defined ; +} + +/** Set the current line number. + * @param line_number + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_lineno (int line_number , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* lineno is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "_mesa_glsl_set_lineno called with no buffer" , yyscanner); + + yylineno = line_number; +} + +/** Set the current column. + * @param line_number + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_column (int column_no , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* column is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "_mesa_glsl_set_column called with no buffer" , yyscanner); + + yycolumn = column_no; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * @param yyscanner The scanner object. + * @see _mesa_glsl__switch_to_buffer + */ +void _mesa_glsl_set_in (FILE * in_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyin = in_str ; +} + +void _mesa_glsl_set_out (FILE * out_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyout = out_str ; +} + +int _mesa_glsl_get_debug (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yy_flex_debug; +} + +void _mesa_glsl_set_debug (int bdebug , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yy_flex_debug = bdebug ; +} + +/* Accessor methods for yylval and yylloc */ + +YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylval; +} + +void _mesa_glsl_set_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylval = yylval_param; +} + +YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylloc; +} + +void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylloc = yylloc_param; +} + +/* User-visible API */ + +/* _mesa_glsl_lex_init is special because it creates the scanner itself, so it is + * the ONLY reentrant function that doesn't take the scanner as the last argument. + * That's why we explicitly handle the declaration, instead of using our macros. + */ + +int _mesa_glsl_lex_init(yyscan_t* ptr_yy_globals) + +{ + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), NULL ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + return yy_init_globals ( *ptr_yy_globals ); +} + +/* _mesa_glsl_lex_init_extra has the same functionality as _mesa_glsl_lex_init, but follows the + * convention of taking the scanner as the last argument. Note however, that + * this is a *pointer* to a scanner, as it will be allocated by this call (and + * is the reason, too, why this function also must handle its own declaration). + * The user defined value in the first argument will be available to _mesa_glsl_alloc in + * the yyextra field. + */ + +int _mesa_glsl_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) + +{ + struct yyguts_t dummy_yyguts; + + _mesa_glsl_set_extra (yy_user_defined, &dummy_yyguts); + + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in + yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + _mesa_glsl_set_extra (yy_user_defined, *ptr_yy_globals); + + return yy_init_globals ( *ptr_yy_globals ); +} + +static int yy_init_globals (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from _mesa_glsl_lex_destroy(), so don't allocate here. + */ + + yyg->yy_buffer_stack = 0; + yyg->yy_buffer_stack_top = 0; + yyg->yy_buffer_stack_max = 0; + yyg->yy_c_buf_p = (char *) 0; + yyg->yy_init = 0; + yyg->yy_start = 0; + + yyg->yy_start_stack_ptr = 0; + yyg->yy_start_stack_depth = 0; + yyg->yy_start_stack = NULL; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * _mesa_glsl_lex_init() + */ + return 0; +} + +/* _mesa_glsl_lex_destroy is for both reentrant and non-reentrant scanners. */ +int _mesa_glsl_lex_destroy (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); + YY_CURRENT_BUFFER_LVALUE = NULL; + _mesa_glsl_pop_buffer_state(yyscanner); + } + + /* Destroy the stack itself. */ + _mesa_glsl_free(yyg->yy_buffer_stack ,yyscanner); + yyg->yy_buffer_stack = NULL; + + /* Destroy the start condition stack. */ + _mesa_glsl_free(yyg->yy_start_stack ,yyscanner ); + yyg->yy_start_stack = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * _mesa_glsl_lex() is called, initialization will occur. */ + yy_init_globals( yyscanner); + + /* Destroy the main struct (reentrant only). */ + _mesa_glsl_free ( yyscanner , yyscanner ); + yyscanner = NULL; + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *_mesa_glsl_alloc (yy_size_t size , yyscan_t yyscanner) +{ + return (void *) malloc( size ); +} + +void *_mesa_glsl_realloc (void * ptr, yy_size_t size , yyscan_t yyscanner) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void _mesa_glsl_free (void * ptr , yyscan_t yyscanner) +{ + free( (char *) ptr ); /* see _mesa_glsl_realloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 386 "glsl_lexer.lpp" + + + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + _mesa_glsl_lex_init_extra(state,& state->scanner); + _mesa_glsl__scan_string(string,state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + _mesa_glsl_lex_destroy(state->scanner); +} + diff --git a/mesalib/src/glsl/glsl_lexer.lpp b/mesalib/src/glsl/glsl_lexer.lpp new file mode 100644 index 000000000..ed3cb251a --- /dev/null +++ b/mesalib/src/glsl/glsl_lexer.lpp @@ -0,0 +1,399 @@ +%{ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <ctype.h> +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT yylineno = 0; yycolumn = 0; + +#define TOKEN_OR_IDENTIFIER(version, token) \ + do { \ + if (yyextra->language_version >= version) { \ + return token; \ + } else { \ + yylval->identifier = strdup(yytext); \ + return IDENTIFIER; \ + } \ + } while (0) + +/* Handle reserved words in GLSL ES (version 100) */ +#define TOKEN_OR_IDENTIFIER_ES(version, token) \ + do { \ + if (yyextra->es_shader) { \ + return token; \ + } else { \ + TOKEN_OR_IDENTIFIER(version, token); \ + } \ + } while (0) + +#define RESERVED_WORD(version, token) \ + do { \ + if (yyextra->language_version >= version) { \ + return token; \ + } else { \ + _mesa_glsl_error(yylloc, yyextra, \ + "Illegal use of reserved word `%s'", yytext); \ + return ERROR_TOK; \ + } \ + } while (0) +%} + +%option bison-bridge bison-locations reentrant noyywrap +%option nounput noyy_top_state +%option never-interactive +%option prefix="_mesa_glsl_" +%option extra-type="struct _mesa_glsl_parse_state *" + +%x PP PRAGMA + +DEC_INT [1-9][0-9]* +HEX_INT 0[xX][0-9a-fA-F]+ +OCT_INT 0[0-7]* +INT ({DEC_INT}|{HEX_INT}|{OCT_INT}) +SPC [ \t]* +SPCP [ \t]+ +HASH ^{SPC}#{SPC} +%% + +[ \r\t]+ ; + + /* Preprocessor tokens. */ +^[ \t]*#[ \t]*$ ; +^[ \t]*#[ \t]*version { BEGIN PP; return VERSION; } +^[ \t]*#[ \t]*extension { BEGIN PP; return EXTENSION; } +{HASH}line{SPCP}{INT}{SPCP}{INT}{SPC}$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); + } +{HASH}line{SPCP}{INT}{SPC}$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + } +^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}on{SPC}\) { + BEGIN PP; + return PRAGMA_DEBUG_ON; + } +^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}off{SPC}\) { + BEGIN PP; + return PRAGMA_DEBUG_OFF; + } +^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}on{SPC}\) { + BEGIN PP; + return PRAGMA_OPTIMIZE_ON; + } +^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}off{SPC}\) { + BEGIN PP; + return PRAGMA_OPTIMIZE_OFF; + } +^{SPC}#{SPC}pragma{SPCP} { BEGIN PRAGMA; } + +<PRAGMA>\n { BEGIN 0; yylineno++; yycolumn = 0; } +<PRAGMA>. { } + +<PP>\/\/[^\n]* { } +<PP>[ \t\r]* { } +<PP>: return COLON; +<PP>[_a-zA-Z][_a-zA-Z0-9]* { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } +<PP>[1-9][0-9]* { + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } +<PP>\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + +\n { yylineno++; yycolumn = 0; } + +attribute return ATTRIBUTE; +const return CONST_TOK; +bool return BOOL_TOK; +float return FLOAT_TOK; +int return INT_TOK; + +break return BREAK; +continue return CONTINUE; +do return DO; +while return WHILE; +else return ELSE; +for return FOR; +if return IF; +discard return DISCARD; +return return RETURN; + +bvec2 return BVEC2; +bvec3 return BVEC3; +bvec4 return BVEC4; +ivec2 return IVEC2; +ivec3 return IVEC3; +ivec4 return IVEC4; +vec2 return VEC2; +vec3 return VEC3; +vec4 return VEC4; +mat2 return MAT2X2; +mat3 return MAT3X3; +mat4 return MAT4X4; +mat2x2 TOKEN_OR_IDENTIFIER(120, MAT2X2); +mat2x3 TOKEN_OR_IDENTIFIER(120, MAT2X3); +mat2x4 TOKEN_OR_IDENTIFIER(120, MAT2X4); +mat3x2 TOKEN_OR_IDENTIFIER(120, MAT3X2); +mat3x3 TOKEN_OR_IDENTIFIER(120, MAT3X3); +mat3x4 TOKEN_OR_IDENTIFIER(120, MAT3X4); +mat4x2 TOKEN_OR_IDENTIFIER(120, MAT4X2); +mat4x3 TOKEN_OR_IDENTIFIER(120, MAT4X3); +mat4x4 TOKEN_OR_IDENTIFIER(120, MAT4X4); + +in return IN_TOK; +out return OUT_TOK; +inout return INOUT_TOK; +uniform return UNIFORM; +varying return VARYING; +centroid TOKEN_OR_IDENTIFIER(120, CENTROID); +invariant TOKEN_OR_IDENTIFIER_ES(120, INVARIANT); + +flat TOKEN_OR_IDENTIFIER_ES(130, FLAT); +smooth TOKEN_OR_IDENTIFIER(130, SMOOTH); +noperspective TOKEN_OR_IDENTIFIER(130, NOPERSPECTIVE); + +sampler1D return SAMPLER1D; +sampler2D return SAMPLER2D; +sampler3D return SAMPLER3D; +samplerCube return SAMPLERCUBE; +sampler1DShadow return SAMPLER1DSHADOW; +sampler2DShadow return SAMPLER2DSHADOW; + +struct return STRUCT; +void return VOID_TOK; + +layout { + if ((yyextra->language_version >= 140) + || (yyextra->ARB_fragment_coord_conventions_enable)){ + return LAYOUT_TOK; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + +\+\+ return INC_OP; +-- return DEC_OP; +\<= return LE_OP; +>= return GE_OP; +== return EQ_OP; +!= return NE_OP; +&& return AND_OP; +\|\| return OR_OP; +"^^" return XOR_OP; + +\*= return MUL_ASSIGN; +\/= return DIV_ASSIGN; +\+= return ADD_ASSIGN; +\%= return MOD_ASSIGN; +\<\<= return LEFT_ASSIGN; +>>= return RIGHT_ASSIGN; +&= return AND_ASSIGN; +^= return XOR_ASSIGN; +\|= return OR_ASSIGN; +-= return SUB_ASSIGN; + +[1-9][0-9]* { + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } +0[xX][0-9a-fA-F]+ { + yylval->n = strtol(yytext + 2, NULL, 16); + return INTCONSTANT; + } +0[0-7]* { + yylval->n = strtol(yytext, NULL, 8); + return INTCONSTANT; + } + +[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+\.([eE][+-]?[0-9]+)?[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[eE][+-]?[0-9]+[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[fF] { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + +true { + yylval->n = 1; + return BOOLCONSTANT; + } +false { + yylval->n = 0; + return BOOLCONSTANT; + } + + + /* Reserved words in GLSL 1.10. */ +asm RESERVED_WORD(999, ASM); +class RESERVED_WORD(999, CLASS); +union RESERVED_WORD(999, UNION); +enum RESERVED_WORD(999, ENUM); +typedef RESERVED_WORD(999, TYPEDEF); +template RESERVED_WORD(999, TEMPLATE); +this RESERVED_WORD(999, THIS); +packed RESERVED_WORD(999, PACKED_TOK); +goto RESERVED_WORD(999, GOTO); +switch RESERVED_WORD(130, SWITCH); +default RESERVED_WORD(130, DEFAULT); +inline RESERVED_WORD(999, INLINE_TOK); +noinline RESERVED_WORD(999, NOINLINE); +volatile RESERVED_WORD(999, VOLATILE); +public RESERVED_WORD(999, PUBLIC_TOK); +static RESERVED_WORD(999, STATIC); +extern RESERVED_WORD(999, EXTERN); +external RESERVED_WORD(999, EXTERNAL); +interface RESERVED_WORD(999, INTERFACE); +long RESERVED_WORD(999, LONG_TOK); +short RESERVED_WORD(999, SHORT_TOK); +double RESERVED_WORD(999, DOUBLE_TOK); +half RESERVED_WORD(999, HALF); +fixed RESERVED_WORD(999, FIXED_TOK); +unsigned RESERVED_WORD(999, UNSIGNED); +input RESERVED_WORD(999, INPUT_TOK); +output RESERVED_WORD(999, OUTPUT); +hvec2 RESERVED_WORD(999, HVEC2); +hvec3 RESERVED_WORD(999, HVEC3); +hvec4 RESERVED_WORD(999, HVEC4); +dvec2 RESERVED_WORD(999, DVEC2); +dvec3 RESERVED_WORD(999, DVEC3); +dvec4 RESERVED_WORD(999, DVEC4); +fvec2 RESERVED_WORD(999, FVEC2); +fvec3 RESERVED_WORD(999, FVEC3); +fvec4 RESERVED_WORD(999, FVEC4); +sampler2DRect return SAMPLER2DRECT; +sampler3DRect RESERVED_WORD(999, SAMPLER3DRECT); +sampler2DRectShadow return SAMPLER2DRECTSHADOW; +sizeof RESERVED_WORD(999, SIZEOF); +cast RESERVED_WORD(999, CAST); +namespace RESERVED_WORD(999, NAMESPACE); +using RESERVED_WORD(999, USING); + + /* Additional reserved words in GLSL 1.20. */ +lowp TOKEN_OR_IDENTIFIER_ES(120, LOWP); +mediump TOKEN_OR_IDENTIFIER_ES(120, MEDIUMP); +highp TOKEN_OR_IDENTIFIER_ES(120, HIGHP); +precision TOKEN_OR_IDENTIFIER_ES(120, PRECISION); + + /* Additional reserved words in GLSL 1.30. */ +common TOKEN_OR_IDENTIFIER(130, COMMON); +partition TOKEN_OR_IDENTIFIER(130, PARTITION); +active TOKEN_OR_IDENTIFIER(130, ACTIVE); +superp TOKEN_OR_IDENTIFIER_ES(130, SUPERP); +samplerBuffer TOKEN_OR_IDENTIFIER(130, SAMPLERBUFFER); +filter TOKEN_OR_IDENTIFIER(130, FILTER); +image1D TOKEN_OR_IDENTIFIER(130, IMAGE1D); +image2D TOKEN_OR_IDENTIFIER(130, IMAGE2D); +image3D TOKEN_OR_IDENTIFIER(130, IMAGE3D); +imageCube TOKEN_OR_IDENTIFIER(130, IMAGECUBE); +iimage1D TOKEN_OR_IDENTIFIER(130, IIMAGE1D); +iimage2D TOKEN_OR_IDENTIFIER(130, IIMAGE2D); +iimage3D TOKEN_OR_IDENTIFIER(130, IIMAGE3D); +iimageCube TOKEN_OR_IDENTIFIER(130, IIMAGECUBE); +uimage1D TOKEN_OR_IDENTIFIER(130, UIMAGE1D); +uimage2D TOKEN_OR_IDENTIFIER(130, UIMAGE2D); +uimage3D TOKEN_OR_IDENTIFIER(130, UIMAGE3D); +uimageCube TOKEN_OR_IDENTIFIER(130, UIMAGECUBE); +image1DArray TOKEN_OR_IDENTIFIER(130, IMAGE1DARRAY); +image2DArray TOKEN_OR_IDENTIFIER(130, IMAGE2DARRAY); +iimage1DArray TOKEN_OR_IDENTIFIER(130, IIMAGE1DARRAY); +iimage2DArray TOKEN_OR_IDENTIFIER(130, IIMAGE2DARRAY); +uimage1DArray TOKEN_OR_IDENTIFIER(130, UIMAGE1DARRAY); +uimage2DArray TOKEN_OR_IDENTIFIER(130, UIMAGE2DARRAY); +image1DShadow TOKEN_OR_IDENTIFIER(130, IMAGE1DSHADOW); +image2DShadow TOKEN_OR_IDENTIFIER(130, IMAGE2DSHADOW); +imageBuffer TOKEN_OR_IDENTIFIER(130, IMAGEBUFFER); +iimageBuffer TOKEN_OR_IDENTIFIER(130, IIMAGEBUFFER); +uimageBuffer TOKEN_OR_IDENTIFIER(130, UIMAGEBUFFER); +row_major TOKEN_OR_IDENTIFIER(130, ROW_MAJOR); + +[_a-zA-Z][_a-zA-Z0-9]* { + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = state; + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + +. { return yytext[0]; } + +%% + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + yylex_init_extra(state, & state->scanner); + yy_scan_string(string, state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + yylex_destroy(state->scanner); +} diff --git a/mesalib/src/glsl/glsl_parser.cpp b/mesalib/src/glsl/glsl_parser.cpp new file mode 100644 index 000000000..301c22189 --- /dev/null +++ b/mesalib/src/glsl/glsl_parser.cpp @@ -0,0 +1,5232 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 1 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 1 + +/* Substitute the variable and function names. */ +#define yyparse _mesa_glsl_parse +#define yylex _mesa_glsl_lex +#define yyerror _mesa_glsl_error +#define yylval _mesa_glsl_lval +#define yychar _mesa_glsl_char +#define yydebug _mesa_glsl_debug +#define yynerrs _mesa_glsl_nerrs +#define yylloc _mesa_glsl_lloc + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 1 "glsl_parser.ypp" + +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_types.h" + +#define YYLEX_PARAM state->scanner + + + +/* Line 189 of yacc.c */ +#line 117 "glsl_parser.cpp" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 1 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + ATTRIBUTE = 258, + CONST_TOK = 259, + BOOL_TOK = 260, + FLOAT_TOK = 261, + INT_TOK = 262, + UINT_TOK = 263, + BREAK = 264, + CONTINUE = 265, + DO = 266, + ELSE = 267, + FOR = 268, + IF = 269, + DISCARD = 270, + RETURN = 271, + SWITCH = 272, + CASE = 273, + DEFAULT = 274, + BVEC2 = 275, + BVEC3 = 276, + BVEC4 = 277, + IVEC2 = 278, + IVEC3 = 279, + IVEC4 = 280, + UVEC2 = 281, + UVEC3 = 282, + UVEC4 = 283, + VEC2 = 284, + VEC3 = 285, + VEC4 = 286, + CENTROID = 287, + IN_TOK = 288, + OUT_TOK = 289, + INOUT_TOK = 290, + UNIFORM = 291, + VARYING = 292, + NOPERSPECTIVE = 293, + FLAT = 294, + SMOOTH = 295, + MAT2X2 = 296, + MAT2X3 = 297, + MAT2X4 = 298, + MAT3X2 = 299, + MAT3X3 = 300, + MAT3X4 = 301, + MAT4X2 = 302, + MAT4X3 = 303, + MAT4X4 = 304, + SAMPLER1D = 305, + SAMPLER2D = 306, + SAMPLER3D = 307, + SAMPLERCUBE = 308, + SAMPLER1DSHADOW = 309, + SAMPLER2DSHADOW = 310, + SAMPLERCUBESHADOW = 311, + SAMPLER1DARRAY = 312, + SAMPLER2DARRAY = 313, + SAMPLER1DARRAYSHADOW = 314, + SAMPLER2DARRAYSHADOW = 315, + ISAMPLER1D = 316, + ISAMPLER2D = 317, + ISAMPLER3D = 318, + ISAMPLERCUBE = 319, + ISAMPLER1DARRAY = 320, + ISAMPLER2DARRAY = 321, + USAMPLER1D = 322, + USAMPLER2D = 323, + USAMPLER3D = 324, + USAMPLERCUBE = 325, + USAMPLER1DARRAY = 326, + USAMPLER2DARRAY = 327, + STRUCT = 328, + VOID_TOK = 329, + WHILE = 330, + IDENTIFIER = 331, + FLOATCONSTANT = 332, + INTCONSTANT = 333, + UINTCONSTANT = 334, + BOOLCONSTANT = 335, + FIELD_SELECTION = 336, + LEFT_OP = 337, + RIGHT_OP = 338, + INC_OP = 339, + DEC_OP = 340, + LE_OP = 341, + GE_OP = 342, + EQ_OP = 343, + NE_OP = 344, + AND_OP = 345, + OR_OP = 346, + XOR_OP = 347, + MUL_ASSIGN = 348, + DIV_ASSIGN = 349, + ADD_ASSIGN = 350, + MOD_ASSIGN = 351, + LEFT_ASSIGN = 352, + RIGHT_ASSIGN = 353, + AND_ASSIGN = 354, + XOR_ASSIGN = 355, + OR_ASSIGN = 356, + SUB_ASSIGN = 357, + INVARIANT = 358, + LOWP = 359, + MEDIUMP = 360, + HIGHP = 361, + SUPERP = 362, + PRECISION = 363, + VERSION = 364, + EXTENSION = 365, + LINE = 366, + COLON = 367, + EOL = 368, + INTERFACE = 369, + OUTPUT = 370, + PRAGMA_DEBUG_ON = 371, + PRAGMA_DEBUG_OFF = 372, + PRAGMA_OPTIMIZE_ON = 373, + PRAGMA_OPTIMIZE_OFF = 374, + LAYOUT_TOK = 375, + ASM = 376, + CLASS = 377, + UNION = 378, + ENUM = 379, + TYPEDEF = 380, + TEMPLATE = 381, + THIS = 382, + PACKED_TOK = 383, + GOTO = 384, + INLINE_TOK = 385, + NOINLINE = 386, + VOLATILE = 387, + PUBLIC_TOK = 388, + STATIC = 389, + EXTERN = 390, + EXTERNAL = 391, + LONG_TOK = 392, + SHORT_TOK = 393, + DOUBLE_TOK = 394, + HALF = 395, + FIXED_TOK = 396, + UNSIGNED = 397, + INPUT_TOK = 398, + OUPTUT = 399, + HVEC2 = 400, + HVEC3 = 401, + HVEC4 = 402, + DVEC2 = 403, + DVEC3 = 404, + DVEC4 = 405, + FVEC2 = 406, + FVEC3 = 407, + FVEC4 = 408, + SAMPLER2DRECT = 409, + SAMPLER3DRECT = 410, + SAMPLER2DRECTSHADOW = 411, + SIZEOF = 412, + CAST = 413, + NAMESPACE = 414, + USING = 415, + ERROR_TOK = 416, + COMMON = 417, + PARTITION = 418, + ACTIVE = 419, + SAMPLERBUFFER = 420, + FILTER = 421, + IMAGE1D = 422, + IMAGE2D = 423, + IMAGE3D = 424, + IMAGECUBE = 425, + IMAGE1DARRAY = 426, + IMAGE2DARRAY = 427, + IIMAGE1D = 428, + IIMAGE2D = 429, + IIMAGE3D = 430, + IIMAGECUBE = 431, + IIMAGE1DARRAY = 432, + IIMAGE2DARRAY = 433, + UIMAGE1D = 434, + UIMAGE2D = 435, + UIMAGE3D = 436, + UIMAGECUBE = 437, + UIMAGE1DARRAY = 438, + UIMAGE2DARRAY = 439, + IMAGE1DSHADOW = 440, + IMAGE2DSHADOW = 441, + IMAGEBUFFER = 442, + IIMAGEBUFFER = 443, + UIMAGEBUFFER = 444, + ROW_MAJOR = 445 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 214 of yacc.c */ +#line 52 "glsl_parser.ypp" + + int n; + float real; + char *identifier; + + union { + struct ast_type_qualifier q; + unsigned i; + } type_qualifier; + + ast_node *node; + ast_type_specifier *type_specifier; + ast_fully_specified_type *fully_specified_type; + ast_function *function; + ast_parameter_declarator *parameter_declarator; + ast_function_definition *function_definition; + ast_compound_statement *compound_statement; + ast_expression *expression; + ast_declarator_list *declarator_list; + ast_struct_specifier *struct_specifier; + ast_declaration *declaration; + + struct { + ast_node *cond; + ast_expression *rest; + } for_rest_statement; + + struct { + ast_node *then_statement; + ast_node *else_statement; + } selection_rest_statement; + + + +/* Line 214 of yacc.c */ +#line 378 "glsl_parser.cpp" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 403 "glsl_parser.cpp" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ + && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; + YYLTYPE yyls_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 5 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 4005 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 215 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 88 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 274 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 409 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 445 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 199, 2, 2, 2, 203, 206, 2, + 191, 192, 201, 197, 196, 198, 195, 202, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 210, 212, + 204, 211, 205, 209, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 193, 2, 194, 207, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 213, 208, 214, 200, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, + 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, + 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, + 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, + 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, + 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, + 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, + 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, + 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, + 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, + 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, + 185, 186, 187, 188, 189, 190 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint16 yyprhs[] = +{ + 0, 0, 3, 4, 9, 10, 14, 17, 20, 23, + 26, 27, 30, 36, 38, 41, 43, 45, 47, 49, + 51, 53, 57, 59, 64, 66, 70, 73, 76, 78, + 80, 82, 86, 89, 92, 95, 97, 100, 104, 107, + 109, 111, 113, 115, 118, 121, 124, 126, 128, 130, + 132, 134, 138, 142, 146, 148, 152, 156, 158, 162, + 166, 168, 172, 176, 180, 184, 186, 190, 194, 196, + 200, 202, 206, 208, 212, 214, 218, 220, 224, 226, + 230, 232, 238, 240, 244, 246, 248, 250, 252, 254, + 256, 258, 260, 262, 264, 266, 268, 272, 274, 277, + 280, 285, 288, 290, 292, 295, 299, 303, 306, 312, + 316, 319, 323, 326, 327, 329, 331, 333, 335, 337, + 341, 347, 354, 362, 371, 377, 379, 382, 387, 393, + 400, 408, 413, 416, 418, 421, 422, 424, 429, 431, + 435, 437, 439, 441, 443, 445, 447, 450, 453, 455, + 457, 460, 463, 466, 468, 471, 474, 476, 478, 481, + 483, 487, 492, 494, 496, 498, 500, 502, 504, 506, + 508, 510, 512, 514, 516, 518, 520, 522, 524, 526, + 528, 530, 532, 534, 536, 538, 540, 542, 544, 546, + 548, 550, 552, 554, 556, 558, 560, 562, 564, 566, + 568, 570, 572, 574, 576, 578, 580, 582, 584, 586, + 588, 590, 592, 594, 596, 598, 600, 602, 604, 606, + 612, 617, 619, 622, 626, 628, 632, 634, 639, 641, + 643, 645, 647, 649, 651, 653, 655, 657, 659, 661, + 664, 668, 670, 672, 675, 679, 681, 684, 686, 689, + 695, 699, 701, 703, 708, 714, 718, 721, 727, 735, + 742, 744, 746, 748, 749, 752, 756, 759, 762, 765, + 769, 772, 774, 776, 778 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int16 yyrhs[] = +{ + 216, 0, -1, -1, 218, 220, 217, 222, -1, -1, + 109, 78, 113, -1, 116, 113, -1, 117, 113, -1, + 118, 113, -1, 119, 113, -1, -1, 220, 221, -1, + 110, 76, 112, 76, 113, -1, 301, -1, 222, 301, + -1, 76, -1, 223, -1, 78, -1, 79, -1, 77, + -1, 80, -1, 191, 250, 192, -1, 224, -1, 225, + 193, 226, 194, -1, 227, -1, 225, 195, 76, -1, + 225, 84, -1, 225, 85, -1, 250, -1, 228, -1, + 229, -1, 225, 195, 229, -1, 231, 192, -1, 230, + 192, -1, 232, 74, -1, 232, -1, 232, 248, -1, + 231, 196, 248, -1, 233, 191, -1, 272, -1, 76, + -1, 81, -1, 225, -1, 84, 234, -1, 85, 234, + -1, 235, 234, -1, 197, -1, 198, -1, 199, -1, + 200, -1, 234, -1, 236, 201, 234, -1, 236, 202, + 234, -1, 236, 203, 234, -1, 236, -1, 237, 197, + 236, -1, 237, 198, 236, -1, 237, -1, 238, 82, + 237, -1, 238, 83, 237, -1, 238, -1, 239, 204, + 238, -1, 239, 205, 238, -1, 239, 86, 238, -1, + 239, 87, 238, -1, 239, -1, 240, 88, 239, -1, + 240, 89, 239, -1, 240, -1, 241, 206, 240, -1, + 241, -1, 242, 207, 241, -1, 242, -1, 243, 208, + 242, -1, 243, -1, 244, 90, 243, -1, 244, -1, + 245, 92, 244, -1, 245, -1, 246, 91, 245, -1, + 246, -1, 246, 209, 250, 210, 248, -1, 247, -1, + 234, 249, 248, -1, 211, -1, 93, -1, 94, -1, + 96, -1, 95, -1, 102, -1, 97, -1, 98, -1, + 99, -1, 100, -1, 101, -1, 248, -1, 250, 196, + 248, -1, 247, -1, 253, 212, -1, 261, 212, -1, + 108, 276, 273, 212, -1, 254, 192, -1, 256, -1, + 255, -1, 256, 258, -1, 255, 196, 258, -1, 263, + 76, 191, -1, 272, 76, -1, 272, 76, 193, 251, + 194, -1, 269, 259, 257, -1, 259, 257, -1, 269, + 259, 260, -1, 259, 260, -1, -1, 33, -1, 34, + -1, 35, -1, 272, -1, 262, -1, 261, 196, 76, + -1, 261, 196, 76, 193, 194, -1, 261, 196, 76, + 193, 251, 194, -1, 261, 196, 76, 193, 194, 211, + 282, -1, 261, 196, 76, 193, 251, 194, 211, 282, + -1, 261, 196, 76, 211, 282, -1, 263, -1, 263, + 76, -1, 263, 76, 193, 194, -1, 263, 76, 193, + 251, 194, -1, 263, 76, 193, 194, 211, 282, -1, + 263, 76, 193, 251, 194, 211, 282, -1, 263, 76, + 211, 282, -1, 103, 76, -1, 272, -1, 270, 272, + -1, -1, 265, -1, 120, 191, 266, 192, -1, 267, + -1, 266, 196, 267, -1, 76, -1, 40, -1, 39, + -1, 38, -1, 4, -1, 271, -1, 268, 270, -1, + 103, 270, -1, 4, -1, 3, -1, 264, 37, -1, + 32, 37, -1, 264, 33, -1, 34, -1, 32, 33, + -1, 32, 34, -1, 36, -1, 273, -1, 276, 273, + -1, 274, -1, 274, 193, 194, -1, 274, 193, 251, + 194, -1, 275, -1, 277, -1, 76, -1, 74, -1, + 6, -1, 7, -1, 8, -1, 5, -1, 29, -1, + 30, -1, 31, -1, 20, -1, 21, -1, 22, -1, + 23, -1, 24, -1, 25, -1, 26, -1, 27, -1, + 28, -1, 41, -1, 42, -1, 43, -1, 44, -1, + 45, -1, 46, -1, 47, -1, 48, -1, 49, -1, + 50, -1, 51, -1, 154, -1, 52, -1, 53, -1, + 54, -1, 55, -1, 156, -1, 56, -1, 57, -1, + 58, -1, 59, -1, 60, -1, 61, -1, 62, -1, + 63, -1, 64, -1, 65, -1, 66, -1, 67, -1, + 68, -1, 69, -1, 70, -1, 71, -1, 72, -1, + 106, -1, 105, -1, 104, -1, 73, 76, 213, 278, + 214, -1, 73, 213, 278, 214, -1, 279, -1, 278, + 279, -1, 272, 280, 212, -1, 281, -1, 280, 196, + 281, -1, 76, -1, 76, 193, 251, 194, -1, 248, + -1, 252, -1, 286, -1, 285, -1, 283, -1, 290, + -1, 291, -1, 294, -1, 295, -1, 296, -1, 300, + -1, 213, 214, -1, 213, 289, 214, -1, 288, -1, + 285, -1, 213, 214, -1, 213, 289, 214, -1, 284, + -1, 289, 284, -1, 212, -1, 250, 212, -1, 14, + 191, 250, 192, 292, -1, 284, 12, 284, -1, 284, + -1, 250, -1, 263, 76, 211, 282, -1, 17, 191, + 250, 192, 286, -1, 18, 250, 210, -1, 19, 210, + -1, 75, 191, 293, 192, 287, -1, 11, 284, 75, + 191, 250, 192, 212, -1, 13, 191, 297, 299, 192, + 287, -1, 290, -1, 283, -1, 293, -1, -1, 298, + 212, -1, 298, 212, 250, -1, 10, 212, -1, 9, + 212, -1, 16, 212, -1, 16, 250, 212, -1, 15, + 212, -1, 302, -1, 252, -1, 219, -1, 253, 288, + -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 214, 214, 213, 220, 222, 242, 243, 244, 245, + 248, 250, 254, 263, 271, 282, 286, 293, 300, 307, + 314, 321, 328, 329, 335, 339, 346, 352, 361, 365, + 369, 370, 379, 380, 384, 385, 389, 395, 407, 411, + 417, 424, 435, 436, 442, 448, 458, 459, 460, 461, + 465, 466, 472, 478, 487, 488, 494, 503, 504, 510, + 519, 520, 526, 532, 538, 547, 548, 554, 563, 564, + 573, 574, 583, 584, 593, 594, 603, 604, 613, 614, + 623, 624, 633, 634, 643, 644, 645, 646, 647, 648, + 649, 650, 651, 652, 653, 657, 661, 677, 681, 685, + 689, 703, 707, 708, 712, 717, 725, 736, 746, 761, + 768, 773, 784, 796, 797, 798, 799, 803, 807, 808, + 817, 826, 835, 844, 853, 866, 877, 886, 895, 904, + 913, 922, 931, 945, 952, 963, 964, 968, 975, 976, + 983, 1017, 1018, 1019, 1023, 1027, 1028, 1032, 1040, 1041, + 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1052, 1053, 1061, + 1062, 1068, 1077, 1083, 1089, 1098, 1099, 1100, 1101, 1102, + 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, + 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, + 1123, 1124, 1125, 1126, 1127, 1128, 1129, 1130, 1131, 1132, + 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1142, + 1143, 1144, 1145, 1146, 1147, 1148, 1152, 1163, 1174, 1188, + 1194, 1203, 1208, 1216, 1231, 1236, 1244, 1250, 1259, 1263, + 1269, 1270, 1274, 1275, 1276, 1277, 1278, 1279, 1280, 1284, + 1290, 1299, 1300, 1304, 1310, 1319, 1329, 1341, 1347, 1356, + 1365, 1370, 1378, 1382, 1396, 1400, 1401, 1405, 1412, 1419, + 1429, 1430, 1434, 1436, 1442, 1447, 1456, 1462, 1468, 1474, + 1480, 1489, 1490, 1491, 1495 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "ATTRIBUTE", "CONST_TOK", "BOOL_TOK", + "FLOAT_TOK", "INT_TOK", "UINT_TOK", "BREAK", "CONTINUE", "DO", "ELSE", + "FOR", "IF", "DISCARD", "RETURN", "SWITCH", "CASE", "DEFAULT", "BVEC2", + "BVEC3", "BVEC4", "IVEC2", "IVEC3", "IVEC4", "UVEC2", "UVEC3", "UVEC4", + "VEC2", "VEC3", "VEC4", "CENTROID", "IN_TOK", "OUT_TOK", "INOUT_TOK", + "UNIFORM", "VARYING", "NOPERSPECTIVE", "FLAT", "SMOOTH", "MAT2X2", + "MAT2X3", "MAT2X4", "MAT3X2", "MAT3X3", "MAT3X4", "MAT4X2", "MAT4X3", + "MAT4X4", "SAMPLER1D", "SAMPLER2D", "SAMPLER3D", "SAMPLERCUBE", + "SAMPLER1DSHADOW", "SAMPLER2DSHADOW", "SAMPLERCUBESHADOW", + "SAMPLER1DARRAY", "SAMPLER2DARRAY", "SAMPLER1DARRAYSHADOW", + "SAMPLER2DARRAYSHADOW", "ISAMPLER1D", "ISAMPLER2D", "ISAMPLER3D", + "ISAMPLERCUBE", "ISAMPLER1DARRAY", "ISAMPLER2DARRAY", "USAMPLER1D", + "USAMPLER2D", "USAMPLER3D", "USAMPLERCUBE", "USAMPLER1DARRAY", + "USAMPLER2DARRAY", "STRUCT", "VOID_TOK", "WHILE", "IDENTIFIER", + "FLOATCONSTANT", "INTCONSTANT", "UINTCONSTANT", "BOOLCONSTANT", + "FIELD_SELECTION", "LEFT_OP", "RIGHT_OP", "INC_OP", "DEC_OP", "LE_OP", + "GE_OP", "EQ_OP", "NE_OP", "AND_OP", "OR_OP", "XOR_OP", "MUL_ASSIGN", + "DIV_ASSIGN", "ADD_ASSIGN", "MOD_ASSIGN", "LEFT_ASSIGN", "RIGHT_ASSIGN", + "AND_ASSIGN", "XOR_ASSIGN", "OR_ASSIGN", "SUB_ASSIGN", "INVARIANT", + "LOWP", "MEDIUMP", "HIGHP", "SUPERP", "PRECISION", "VERSION", + "EXTENSION", "LINE", "COLON", "EOL", "INTERFACE", "OUTPUT", + "PRAGMA_DEBUG_ON", "PRAGMA_DEBUG_OFF", "PRAGMA_OPTIMIZE_ON", + "PRAGMA_OPTIMIZE_OFF", "LAYOUT_TOK", "ASM", "CLASS", "UNION", "ENUM", + "TYPEDEF", "TEMPLATE", "THIS", "PACKED_TOK", "GOTO", "INLINE_TOK", + "NOINLINE", "VOLATILE", "PUBLIC_TOK", "STATIC", "EXTERN", "EXTERNAL", + "LONG_TOK", "SHORT_TOK", "DOUBLE_TOK", "HALF", "FIXED_TOK", "UNSIGNED", + "INPUT_TOK", "OUPTUT", "HVEC2", "HVEC3", "HVEC4", "DVEC2", "DVEC3", + "DVEC4", "FVEC2", "FVEC3", "FVEC4", "SAMPLER2DRECT", "SAMPLER3DRECT", + "SAMPLER2DRECTSHADOW", "SIZEOF", "CAST", "NAMESPACE", "USING", + "ERROR_TOK", "COMMON", "PARTITION", "ACTIVE", "SAMPLERBUFFER", "FILTER", + "IMAGE1D", "IMAGE2D", "IMAGE3D", "IMAGECUBE", "IMAGE1DARRAY", + "IMAGE2DARRAY", "IIMAGE1D", "IIMAGE2D", "IIMAGE3D", "IIMAGECUBE", + "IIMAGE1DARRAY", "IIMAGE2DARRAY", "UIMAGE1D", "UIMAGE2D", "UIMAGE3D", + "UIMAGECUBE", "UIMAGE1DARRAY", "UIMAGE2DARRAY", "IMAGE1DSHADOW", + "IMAGE2DSHADOW", "IMAGEBUFFER", "IIMAGEBUFFER", "UIMAGEBUFFER", + "ROW_MAJOR", "'('", "')'", "'['", "']'", "'.'", "','", "'+'", "'-'", + "'!'", "'~'", "'*'", "'/'", "'%'", "'<'", "'>'", "'&'", "'^'", "'|'", + "'?'", "':'", "'='", "';'", "'{'", "'}'", "$accept", "translation_unit", + "$@1", "version_statement", "pragma_statement", + "extension_statement_list", "extension_statement", + "external_declaration_list", "variable_identifier", "primary_expression", + "postfix_expression", "integer_expression", "function_call", + "function_call_or_method", "function_call_generic", + "function_call_header_no_parameters", + "function_call_header_with_parameters", "function_call_header", + "function_identifier", "unary_expression", "unary_operator", + "multiplicative_expression", "additive_expression", "shift_expression", + "relational_expression", "equality_expression", "and_expression", + "exclusive_or_expression", "inclusive_or_expression", + "logical_and_expression", "logical_xor_expression", + "logical_or_expression", "conditional_expression", + "assignment_expression", "assignment_operator", "expression", + "constant_expression", "declaration", "function_prototype", + "function_declarator", "function_header_with_parameters", + "function_header", "parameter_declarator", "parameter_declaration", + "parameter_qualifier", "parameter_type_specifier", + "init_declarator_list", "single_declaration", "fully_specified_type", + "opt_layout_qualifier", "layout_qualifier", "layout_qualifier_id_list", + "layout_qualifier_id", "interpolation_qualifier", + "parameter_type_qualifier", "type_qualifier", "storage_qualifier", + "type_specifier", "type_specifier_no_prec", "type_specifier_nonarray", + "basic_type_specifier_nonarray", "precision_qualifier", + "struct_specifier", "struct_declaration_list", "struct_declaration", + "struct_declarator_list", "struct_declarator", "initializer", + "declaration_statement", "statement", "simple_statement", + "compound_statement", "statement_no_new_scope", + "compound_statement_no_new_scope", "statement_list", + "expression_statement", "selection_statement", + "selection_rest_statement", "condition", "switch_statement", + "case_label", "iteration_statement", "for_init_statement", + "conditionopt", "for_rest_statement", "jump_statement", + "external_declaration", "function_definition", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, + 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, + 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, + 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, + 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, + 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, + 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, + 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, + 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, + 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, + 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, + 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, + 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, + 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, + 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, + 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, + 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, + 445, 40, 41, 91, 93, 46, 44, 43, 45, 33, + 126, 42, 47, 37, 60, 62, 38, 94, 124, 63, + 58, 61, 59, 123, 125 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint16 yyr1[] = +{ + 0, 215, 217, 216, 218, 218, 219, 219, 219, 219, + 220, 220, 221, 222, 222, 223, 224, 224, 224, 224, + 224, 224, 225, 225, 225, 225, 225, 225, 226, 227, + 228, 228, 229, 229, 230, 230, 231, 231, 232, 233, + 233, 233, 234, 234, 234, 234, 235, 235, 235, 235, + 236, 236, 236, 236, 237, 237, 237, 238, 238, 238, + 239, 239, 239, 239, 239, 240, 240, 240, 241, 241, + 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, + 247, 247, 248, 248, 249, 249, 249, 249, 249, 249, + 249, 249, 249, 249, 249, 250, 250, 251, 252, 252, + 252, 253, 254, 254, 255, 255, 256, 257, 257, 258, + 258, 258, 258, 259, 259, 259, 259, 260, 261, 261, + 261, 261, 261, 261, 261, 262, 262, 262, 262, 262, + 262, 262, 262, 263, 263, 264, 264, 265, 266, 266, + 267, 268, 268, 268, 269, 270, 270, 270, 271, 271, + 271, 271, 271, 271, 271, 271, 271, 272, 272, 273, + 273, 273, 274, 274, 274, 275, 275, 275, 275, 275, + 275, 275, 275, 275, 275, 275, 275, 275, 275, 275, + 275, 275, 275, 275, 275, 275, 275, 275, 275, 275, + 275, 275, 275, 275, 275, 275, 275, 275, 275, 275, + 275, 275, 275, 275, 275, 275, 275, 275, 275, 275, + 275, 275, 275, 275, 275, 275, 276, 276, 276, 277, + 277, 278, 278, 279, 280, 280, 281, 281, 282, 283, + 284, 284, 285, 285, 285, 285, 285, 285, 285, 286, + 286, 287, 287, 288, 288, 289, 289, 290, 290, 291, + 292, 292, 293, 293, 294, 295, 295, 296, 296, 296, + 297, 297, 298, 298, 299, 299, 300, 300, 300, 300, + 300, 301, 301, 301, 302 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 4, 0, 3, 2, 2, 2, 2, + 0, 2, 5, 1, 2, 1, 1, 1, 1, 1, + 1, 3, 1, 4, 1, 3, 2, 2, 1, 1, + 1, 3, 2, 2, 2, 1, 2, 3, 2, 1, + 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, + 1, 3, 3, 3, 1, 3, 3, 1, 3, 3, + 1, 3, 3, 3, 3, 1, 3, 3, 1, 3, + 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, + 1, 5, 1, 3, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 3, 1, 2, 2, + 4, 2, 1, 1, 2, 3, 3, 2, 5, 3, + 2, 3, 2, 0, 1, 1, 1, 1, 1, 3, + 5, 6, 7, 8, 5, 1, 2, 4, 5, 6, + 7, 4, 2, 1, 2, 0, 1, 4, 1, 3, + 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, + 2, 2, 2, 1, 2, 2, 1, 1, 2, 1, + 3, 4, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, + 4, 1, 2, 3, 1, 3, 1, 4, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 3, 1, 1, 2, 3, 1, 2, 1, 2, 5, + 3, 1, 1, 4, 5, 3, 2, 5, 7, 6, + 1, 1, 1, 0, 2, 3, 2, 2, 2, 3, + 2, 1, 1, 1, 2 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint16 yydefact[] = +{ + 4, 0, 0, 10, 0, 1, 2, 5, 0, 135, + 11, 0, 149, 148, 169, 166, 167, 168, 173, 174, + 175, 176, 177, 178, 179, 180, 181, 170, 171, 172, + 0, 153, 156, 143, 142, 141, 182, 183, 184, 185, + 186, 187, 188, 189, 190, 191, 192, 194, 195, 196, + 197, 199, 200, 201, 202, 203, 204, 205, 206, 207, + 208, 209, 210, 211, 212, 213, 214, 215, 0, 165, + 164, 135, 218, 217, 216, 0, 0, 0, 0, 0, + 0, 193, 198, 273, 135, 272, 0, 0, 103, 113, + 0, 118, 125, 0, 136, 135, 0, 145, 133, 157, + 159, 162, 0, 163, 13, 271, 0, 154, 155, 151, + 0, 0, 132, 135, 147, 0, 6, 7, 8, 9, + 0, 14, 98, 135, 274, 101, 113, 144, 114, 115, + 116, 104, 0, 113, 0, 99, 126, 152, 150, 146, + 134, 0, 158, 0, 0, 0, 0, 221, 0, 140, + 0, 138, 0, 0, 135, 0, 0, 0, 0, 0, + 0, 0, 0, 15, 19, 17, 18, 20, 41, 0, + 0, 0, 46, 47, 48, 49, 247, 135, 243, 16, + 22, 42, 24, 29, 30, 0, 0, 35, 0, 50, + 0, 54, 57, 60, 65, 68, 70, 72, 74, 76, + 78, 80, 82, 95, 0, 229, 0, 133, 232, 245, + 231, 230, 135, 233, 234, 235, 236, 237, 238, 105, + 110, 112, 117, 0, 119, 106, 0, 0, 160, 50, + 97, 0, 39, 12, 0, 226, 0, 224, 220, 222, + 100, 137, 0, 267, 266, 0, 135, 0, 270, 268, + 0, 0, 0, 256, 135, 43, 44, 0, 239, 135, + 26, 27, 0, 0, 33, 32, 0, 165, 36, 38, + 85, 86, 88, 87, 90, 91, 92, 93, 94, 89, + 84, 0, 45, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 248, 244, 246, 107, 109, 111, + 0, 0, 127, 0, 228, 131, 161, 219, 0, 0, + 223, 139, 0, 261, 260, 135, 0, 269, 0, 255, + 252, 0, 0, 21, 240, 0, 28, 25, 31, 37, + 83, 51, 52, 53, 55, 56, 58, 59, 63, 64, + 61, 62, 66, 67, 69, 71, 73, 75, 77, 79, + 0, 96, 0, 120, 0, 124, 0, 128, 0, 225, + 0, 262, 0, 0, 135, 0, 0, 135, 23, 0, + 0, 0, 121, 129, 0, 227, 0, 264, 135, 251, + 249, 254, 0, 242, 257, 241, 81, 108, 122, 0, + 130, 0, 265, 259, 135, 253, 123, 258, 250 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 2, 9, 3, 83, 6, 10, 84, 179, 180, + 181, 335, 182, 183, 184, 185, 186, 187, 188, 189, + 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, + 200, 201, 202, 203, 281, 204, 231, 205, 206, 87, + 88, 89, 220, 131, 132, 221, 90, 91, 92, 93, + 94, 150, 151, 95, 133, 96, 97, 232, 99, 100, + 101, 102, 103, 146, 147, 236, 237, 315, 208, 209, + 210, 211, 394, 395, 212, 213, 214, 390, 332, 215, + 216, 217, 325, 372, 373, 218, 104, 105 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -329 +static const yytype_int16 yypact[] = +{ + -58, -22, 72, -329, -28, -329, -15, -329, 22, 3589, + -329, -4, -329, -329, -329, -329, -329, -329, -329, -329, + -329, -329, -329, -329, -329, -329, -329, -329, -329, -329, + 44, -329, -329, -329, -329, -329, -329, -329, -329, -329, + -329, -329, -329, -329, -329, -329, -329, -329, -329, -329, + -329, -329, -329, -329, -329, -329, -329, -329, -329, -329, + -329, -329, -329, -329, -329, -329, -329, -329, -72, -329, + -329, 6, -329, -329, -329, 14, -8, 9, 11, 26, + -64, -329, -329, -329, 3470, -329, -159, -23, -12, -2, + -149, -329, 105, 57, -329, 140, 3777, -329, -329, -329, + 15, -329, 3849, -329, -329, -329, 131, -329, -329, -329, + -3, 3777, -329, 140, -329, 3849, -329, -329, -329, -329, + 133, -329, -329, 383, -329, -329, 32, -329, -329, -329, + -329, -329, 3777, 158, 135, -329, -150, -329, -329, -329, + -329, 2565, -329, 100, 3777, 141, 1954, -329, 4, -329, + -95, -329, 7, 8, 1231, 27, 31, 12, 2186, 37, + 3108, 13, 39, -59, -329, -329, -329, -329, -329, 3108, + 3108, 3108, -329, -329, -329, -329, -329, 595, -329, -329, + -329, -55, -329, -329, -329, 41, -92, 3289, 40, -75, + 3108, -7, -118, 51, -74, 109, 28, 29, 30, 145, + 147, -84, -329, -329, -148, -329, 34, 49, -329, -329, + -329, -329, 807, -329, -329, -329, -329, -329, -329, -329, + -329, -329, 166, 3777, -143, -329, 2746, 3108, -329, -329, + -329, 53, -329, -329, 2070, 55, -139, -329, -329, -329, + -329, -329, 133, -329, -329, 174, 1640, 3108, -329, -329, + -138, 3108, -134, -329, 2384, -329, -329, -81, -329, 1019, + -329, -329, 3108, 3705, -329, -329, 3108, 61, -329, -329, + -329, -329, -329, -329, -329, -329, -329, -329, -329, -329, + -329, 3108, -329, 3108, 3108, 3108, 3108, 3108, 3108, 3108, + 3108, 3108, 3108, 3108, 3108, 3108, 3108, 3108, 3108, 3108, + 3108, 3108, 3108, 3108, -329, -329, -329, 62, -329, -329, + 2927, 3108, 43, 63, -329, -329, -329, -329, 3108, 141, + -329, -329, 65, -329, -329, 1838, -80, -329, -79, -329, + 66, 182, 69, -329, -329, 70, 66, 74, -329, -329, + -329, -329, -329, -329, -7, -7, -118, -118, 51, 51, + 51, 51, -74, -74, 109, 28, 29, 30, 145, 147, + -127, -329, 3108, 52, 75, -329, 3108, 59, 77, -329, + 3108, -329, 54, 76, 1231, 60, 64, 1442, -329, 3108, + 78, 3108, 67, -329, 3108, -329, -50, 3108, 1442, 262, + -329, -329, 3108, -329, -329, -329, -329, -329, -329, 3108, + -329, 71, 66, -329, 1231, -329, -329, -329, -329 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -329, -329, -329, -329, -329, -329, -329, -329, -329, -329, + -329, -329, -329, -329, 16, -329, -329, -329, -329, -135, + -329, -87, -83, -104, -93, -20, -16, -21, -13, -11, + -17, -329, -133, -99, -329, -155, -189, 2, 5, -329, + -329, -329, 68, 161, 155, 73, -329, -329, -215, -329, + -329, -329, 48, -329, -329, -43, -329, -9, -31, -329, + -329, 217, -329, 150, -131, -329, -24, -140, 56, -153, + -328, -78, -90, 213, 124, 58, -329, -329, -19, -329, + -329, -329, -329, -329, -329, -329, 219, -329 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -264 +static const yytype_int16 yytable[] = +{ + 98, 245, 127, 250, 110, 252, 229, 301, 230, 12, + 13, 85, 290, 291, 86, 239, 257, -164, 270, 271, + 272, 273, 274, 275, 276, 277, 278, 279, 114, 260, + 261, 128, 129, 130, 255, 256, 127, 313, 30, 331, + 31, 225, 32, 226, 33, 34, 35, 134, 303, 393, + 310, 1, 139, 122, 123, 282, 4, 319, 303, 306, + 393, 227, 303, 135, 304, 128, 129, 130, 311, 303, + 114, 142, 5, 320, 327, 98, 329, 107, 108, 286, + 287, 109, 112, 379, 148, 7, 85, 140, 268, 86, + 137, 229, 326, 230, 138, 8, 328, 241, 11, 330, + 265, 242, 145, 239, 266, 116, 306, 336, 106, 113, + 331, 333, 374, 375, 207, 303, 303, 303, 72, 73, + 74, 364, 117, 222, 118, 302, 80, 120, 314, 368, + 292, 293, -40, 288, 289, 145, 280, 145, 262, 119, + 263, 111, 401, 12, 13, 207, 303, 360, 341, 342, + 343, 229, 229, 229, 229, 229, 229, 229, 229, 229, + 229, 229, 229, 229, 229, 229, 229, 339, 207, 125, + 330, 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26, 27, 28, + 29, 72, 73, 74, 0, 0, 0, 0, 0, 0, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 66, 67, 68, 69, 0, 70, 0, 0, 0, 0, + 0, 81, 0, 82, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 81, 0, 82 +}; + +static const yytype_int16 yycheck[] = +{ + 9, 154, 4, 158, 76, 160, 141, 91, 141, 3, + 4, 9, 86, 87, 9, 146, 171, 76, 93, 94, + 95, 96, 97, 98, 99, 100, 101, 102, 71, 84, + 85, 33, 34, 35, 169, 170, 4, 226, 32, 254, + 34, 191, 36, 193, 38, 39, 40, 196, 196, 377, + 193, 109, 95, 212, 213, 190, 78, 196, 196, 212, + 388, 211, 196, 212, 212, 33, 34, 35, 211, 196, + 113, 102, 0, 212, 212, 84, 210, 33, 34, 197, + 198, 37, 76, 210, 115, 113, 84, 96, 187, 84, + 33, 226, 247, 226, 37, 110, 251, 192, 76, 254, + 192, 196, 111, 234, 196, 113, 259, 262, 112, 103, + 325, 192, 192, 192, 123, 196, 196, 196, 104, 105, + 106, 310, 113, 132, 113, 209, 120, 191, 227, 318, + 204, 205, 191, 82, 83, 144, 211, 146, 193, 113, + 195, 213, 192, 3, 4, 154, 196, 302, 283, 284, + 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, + 295, 296, 297, 298, 299, 300, 301, 266, 177, 192, + 325, 311, 32, 362, 34, 310, 36, 310, 38, 39, + 40, 76, 281, 318, 196, 318, 290, 291, 292, 293, + 192, 33, 34, 35, 201, 202, 203, 88, 89, 286, + 287, 294, 295, 212, 303, 288, 289, 76, 193, 76, + 213, 76, 311, 113, 223, 370, 212, 76, 191, 212, + 212, 374, 191, 210, 212, 234, 366, 362, 191, 362, + 191, 191, 387, 192, 206, 90, 207, 246, 208, 92, + 191, 381, 76, 103, 384, 254, 212, 194, 193, 75, + 259, 404, 392, 192, 211, 193, 191, 194, 76, 399, + 120, 192, 196, 211, 194, 191, 212, 366, 192, 194, + 211, 194, 194, 213, 12, 211, 296, 298, 211, 263, + 379, 297, 381, 212, 301, 384, 299, 126, 133, 300, + 242, 223, 75, 392, 144, 319, 223, 375, 388, 86, + 399, 177, 246, 84, 246, -1, 325, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 325, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 374, -1, -1, 377, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 388, + -1, -1, -1, -1, -1, -1, 3, 4, 5, 6, + 7, 8, 9, 10, 11, 404, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, -1, 34, -1, 36, + -1, 38, 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, + 77, 78, 79, 80, 81, -1, -1, 84, 85, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 103, 104, 105, 106, + -1, 108, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 120, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 154, -1, 156, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 191, -1, -1, -1, -1, -1, + 197, 198, 199, 200, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 212, 213, 214, 3, 4, + 5, 6, 7, 8, 9, 10, 11, -1, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, -1, 34, + -1, 36, -1, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 77, 78, 79, 80, 81, -1, -1, 84, + 85, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 103, 104, + 105, 106, -1, 108, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 120, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 154, + -1, 156, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 191, -1, -1, -1, + -1, -1, 197, 198, 199, 200, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 212, 213, 214, + 3, 4, 5, 6, 7, 8, 9, 10, 11, -1, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + -1, 34, -1, 36, -1, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, + 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, + 73, 74, 75, 76, 77, 78, 79, 80, 81, -1, + -1, 84, 85, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 103, 104, 105, 106, -1, 108, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 120, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 154, -1, 156, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 191, -1, + -1, -1, -1, -1, 197, 198, 199, 200, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 212, + 213, 214, 3, 4, 5, 6, 7, 8, 9, 10, + 11, -1, 13, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, -1, 34, -1, 36, -1, 38, 39, 40, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, + 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, + 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, + 81, -1, -1, 84, 85, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 103, 104, 105, 106, -1, 108, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 120, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 154, -1, 156, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 191, -1, -1, -1, -1, -1, 197, 198, 199, 200, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 212, 213, 214, 3, 4, 5, 6, 7, 8, + 9, 10, 11, -1, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, -1, 34, -1, 36, -1, 38, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, + 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, + 79, 80, 81, -1, -1, 84, 85, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 103, 104, 105, 106, -1, 108, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 120, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 154, -1, 156, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 191, -1, -1, -1, -1, -1, 197, 198, + 199, 200, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 212, 213, 3, 4, 5, 6, 7, + 8, 9, 10, 11, -1, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, -1, 34, -1, 36, -1, + 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, + 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, + 78, 79, 80, 81, -1, -1, 84, 85, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 103, 104, 105, 106, -1, + 108, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 120, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 154, -1, 156, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 191, -1, -1, -1, -1, -1, 197, + 198, 199, 200, 3, 4, 5, 6, 7, 8, -1, + -1, -1, -1, -1, 212, 213, -1, -1, -1, -1, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, -1, 34, -1, 36, -1, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, + 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, + 70, 71, 72, 73, 74, -1, 76, 77, 78, 79, + 80, 81, -1, -1, 84, 85, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 103, 104, 105, 106, -1, 108, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 120, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 154, -1, 156, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 191, -1, -1, -1, -1, -1, 197, 198, 199, + 200, 3, 4, 5, 6, 7, 8, -1, -1, -1, + -1, -1, 212, -1, -1, -1, -1, -1, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, -1, 34, -1, 36, -1, 38, 39, 40, 41, + 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, + 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, + 72, 73, 74, -1, 76, 77, 78, 79, 80, 81, + -1, -1, 84, 85, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 103, 104, 105, 106, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 120, 5, + 6, 7, 8, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, -1, -1, -1, -1, + -1, -1, 154, -1, 156, 41, 42, 43, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 66, 67, 68, 69, 70, 71, 72, 73, 74, 191, + 76, -1, -1, -1, -1, 197, 198, 199, 200, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 212, -1, -1, -1, -1, -1, -1, -1, 104, 105, + 106, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 5, 6, 7, 8, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, -1, -1, -1, -1, -1, -1, 154, -1, + 156, 41, 42, 43, 44, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, + 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, + 70, 71, 72, 73, 74, -1, 76, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 214, -1, + -1, -1, -1, -1, 104, 105, 106, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 5, 6, 7, 8, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, -1, -1, + -1, -1, -1, -1, 154, -1, 156, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, + 74, -1, 76, 77, 78, 79, 80, 81, -1, -1, + 84, 85, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 214, -1, -1, -1, -1, -1, + 104, 105, 106, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 154, -1, 156, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 191, -1, -1, + -1, -1, -1, 197, 198, 199, 200, 3, 4, 5, + 6, 7, 8, -1, -1, -1, -1, -1, 212, -1, + -1, -1, -1, -1, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, -1, 34, -1, + 36, -1, 38, 39, 40, 41, 42, 43, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 66, 67, 68, 69, 70, 71, 72, 73, 74, -1, + 76, 77, 78, 79, 80, 81, -1, -1, 84, 85, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 103, 104, 105, + 106, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 120, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 154, -1, + 156, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 5, 6, 7, 8, -1, 191, -1, -1, -1, -1, + -1, 197, 198, 199, 200, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + -1, 76, 77, 78, 79, 80, 81, -1, -1, 84, + 85, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 104, + 105, 106, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 154, + -1, 156, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 5, 6, 7, 8, -1, 191, -1, -1, 194, + -1, -1, 197, 198, 199, 200, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, + 74, -1, 76, 77, 78, 79, 80, 81, -1, -1, + 84, 85, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 104, 105, 106, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 154, -1, 156, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 5, 6, 7, 8, -1, 191, -1, -1, + 194, -1, -1, 197, 198, 199, 200, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, + 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, + 73, 74, -1, 76, 77, 78, 79, 80, 81, -1, + -1, 84, 85, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 104, 105, 106, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 154, -1, 156, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 5, 6, 7, 8, -1, 191, -1, + -1, 194, -1, -1, 197, 198, 199, 200, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 41, + 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, + 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, + 72, 73, 74, -1, 76, 77, 78, 79, 80, 81, + -1, -1, 84, 85, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 104, 105, 106, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 154, -1, 156, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 5, 6, 7, 8, -1, 191, + -1, -1, -1, -1, -1, 197, 198, 199, 200, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, + 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, + 71, 72, 73, 74, -1, 76, 77, 78, 79, 80, + 81, -1, -1, 84, 85, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 104, 105, 106, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 154, -1, 156, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 0, -1, -1, 3, 4, 5, 6, 7, 8, -1, + 191, -1, -1, -1, -1, -1, 197, 198, 199, 200, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, -1, 34, -1, 36, -1, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, + 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, + 70, 71, 72, 73, 74, -1, 76, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 103, 104, 105, 106, -1, 108, -1, + -1, -1, -1, -1, -1, -1, 116, 117, 118, 119, + 120, -1, 3, 4, 5, 6, 7, 8, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, -1, 34, 154, 36, 156, 38, 39, 40, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, + 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, + 71, 72, 73, 74, -1, 76, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 103, 104, 105, 106, -1, 108, -1, -1, + -1, -1, -1, -1, -1, 116, 117, 118, 119, 120, + 5, 6, 7, 8, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, -1, -1, -1, + -1, -1, -1, 154, -1, 156, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + -1, 76, 5, 6, 7, 8, 81, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 104, + 105, 106, -1, -1, -1, -1, -1, -1, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, + 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, + 73, 74, -1, 76, 5, 6, 7, 8, -1, 154, + -1, 156, -1, -1, -1, -1, -1, -1, -1, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 104, 105, 106, -1, -1, -1, -1, -1, -1, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, + 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, + 71, 72, 73, 74, -1, 76, -1, -1, -1, -1, + -1, 154, -1, 156, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 154, -1, 156 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint16 yystos[] = +{ + 0, 109, 216, 218, 78, 0, 220, 113, 110, 217, + 221, 76, 3, 4, 5, 6, 7, 8, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 34, 36, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + 76, 103, 104, 105, 106, 108, 116, 117, 118, 119, + 120, 154, 156, 219, 222, 252, 253, 254, 255, 256, + 261, 262, 263, 264, 265, 268, 270, 271, 272, 273, + 274, 275, 276, 277, 301, 302, 112, 33, 34, 37, + 76, 213, 76, 103, 270, 276, 113, 113, 113, 113, + 191, 301, 212, 213, 288, 192, 196, 4, 33, 34, + 35, 258, 259, 269, 196, 212, 76, 33, 37, 270, + 272, 193, 273, 76, 213, 272, 278, 279, 273, 76, + 266, 267, 9, 10, 11, 13, 14, 15, 16, 17, + 18, 19, 75, 76, 77, 78, 79, 80, 81, 84, + 85, 191, 197, 198, 199, 200, 212, 213, 214, 223, + 224, 225, 227, 228, 229, 230, 231, 232, 233, 234, + 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, + 245, 246, 247, 248, 250, 252, 253, 272, 283, 284, + 285, 286, 289, 290, 291, 294, 295, 296, 300, 258, + 257, 260, 272, 259, 76, 191, 193, 211, 194, 234, + 247, 251, 272, 113, 278, 76, 280, 281, 214, 279, + 212, 192, 196, 212, 212, 284, 191, 191, 212, 212, + 250, 191, 250, 210, 191, 234, 234, 250, 214, 289, + 84, 85, 193, 195, 192, 192, 196, 74, 248, 191, + 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, + 211, 249, 234, 201, 202, 203, 197, 198, 82, 83, + 86, 87, 204, 205, 88, 89, 206, 207, 208, 90, + 92, 91, 209, 196, 212, 214, 284, 76, 257, 260, + 193, 211, 194, 251, 248, 282, 194, 214, 193, 196, + 212, 267, 75, 283, 290, 297, 250, 212, 250, 210, + 250, 263, 293, 192, 214, 226, 250, 76, 229, 248, + 248, 234, 234, 234, 236, 236, 237, 237, 238, 238, + 238, 238, 239, 239, 240, 241, 242, 243, 244, 245, + 250, 248, 193, 194, 251, 282, 211, 194, 251, 281, + 191, 293, 298, 299, 192, 192, 76, 192, 194, 210, + 251, 211, 194, 282, 211, 194, 250, 212, 192, 284, + 292, 286, 211, 285, 287, 288, 248, 194, 282, 211, + 282, 192, 250, 287, 12, 282, 282, 212, 284 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (&yylloc, state, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval, &yylloc, scanner) +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location, state); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, struct _mesa_glsl_parse_state *state) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, state) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + struct _mesa_glsl_parse_state *state; +#endif +{ + if (!yyvaluep) + return; + YYUSE (yylocationp); + YYUSE (state); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, struct _mesa_glsl_parse_state *state) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, state) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + struct _mesa_glsl_parse_state *state; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, state); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, struct _mesa_glsl_parse_state *state) +#else +static void +yy_reduce_print (yyvsp, yylsp, yyrule, state) + YYSTYPE *yyvsp; + YYLTYPE *yylsp; + int yyrule; + struct _mesa_glsl_parse_state *state; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) , state); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, yylsp, Rule, state); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, struct _mesa_glsl_parse_state *state) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, yylocationp, state) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; + struct _mesa_glsl_parse_state *state; +#endif +{ + YYUSE (yyvaluep); + YYUSE (yylocationp); + YYUSE (state); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (struct _mesa_glsl_parse_state *state); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (struct _mesa_glsl_parse_state *state) +#else +int +yyparse (state) + struct _mesa_glsl_parse_state *state; +#endif +#endif +{ +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc; + + /* Number of syntax errors so far. */ + int yynerrs; + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls; + YYLTYPE *yylsp; + + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[3]; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + YYLTYPE yyloc; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yyls = yylsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + yylsp = yyls; + +#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 1; +#endif + +/* User initialization code. */ + +/* Line 1251 of yacc.c */ +#line 41 "glsl_parser.ypp" +{ + yylloc.first_line = 1; + yylloc.first_column = 1; + yylloc.last_line = 1; + yylloc.last_column = 1; + yylloc.source = 0; +} + +/* Line 1251 of yacc.c */ +#line 2691 "glsl_parser.cpp" + yylsp[0] = yylloc; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + YYLTYPE *yyls1 = yyls; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + + yyls = yyls1; + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); + YYSTACK_RELOCATE (yyls_alloc, yyls); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + yylsp = yyls + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 2: + +/* Line 1464 of yacc.c */ +#line 214 "glsl_parser.ypp" + { + _mesa_glsl_initialize_types(state); + ;} + break; + + case 5: + +/* Line 1464 of yacc.c */ +#line 223 "glsl_parser.ypp" + { + switch ((yyvsp[(2) - (3)].n)) { + case 100: + state->es_shader = true; + case 110: + case 120: + case 130: + /* FINISHME: Check against implementation support versions. */ + state->language_version = (yyvsp[(2) - (3)].n); + break; + default: + _mesa_glsl_error(& (yylsp[(2) - (3)]), state, "Shading language version" + "%u is not supported\n", (yyvsp[(2) - (3)].n)); + break; + } + ;} + break; + + case 12: + +/* Line 1464 of yacc.c */ +#line 255 "glsl_parser.ypp" + { + if (!_mesa_glsl_process_extension((yyvsp[(2) - (5)].identifier), & (yylsp[(2) - (5)]), (yyvsp[(4) - (5)].identifier), & (yylsp[(4) - (5)]), state)) { + YYERROR; + } + ;} + break; + + case 13: + +/* Line 1464 of yacc.c */ +#line 264 "glsl_parser.ypp" + { + /* FINISHME: The NULL test is only required because 'precision' + * FINISHME: statements are not yet supported. + */ + if ((yyvsp[(1) - (1)].node) != NULL) + state->translation_unit.push_tail(& (yyvsp[(1) - (1)].node)->link); + ;} + break; + + case 14: + +/* Line 1464 of yacc.c */ +#line 272 "glsl_parser.ypp" + { + /* FINISHME: The NULL test is only required because 'precision' + * FINISHME: statements are not yet supported. + */ + if ((yyvsp[(2) - (2)].node) != NULL) + state->translation_unit.push_tail(& (yyvsp[(2) - (2)].node)->link); + ;} + break; + + case 16: + +/* Line 1464 of yacc.c */ +#line 287 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->primary_expression.identifier = (yyvsp[(1) - (1)].identifier); + ;} + break; + + case 17: + +/* Line 1464 of yacc.c */ +#line 294 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->primary_expression.int_constant = (yyvsp[(1) - (1)].n); + ;} + break; + + case 18: + +/* Line 1464 of yacc.c */ +#line 301 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->primary_expression.uint_constant = (yyvsp[(1) - (1)].n); + ;} + break; + + case 19: + +/* Line 1464 of yacc.c */ +#line 308 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->primary_expression.float_constant = (yyvsp[(1) - (1)].real); + ;} + break; + + case 20: + +/* Line 1464 of yacc.c */ +#line 315 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->primary_expression.bool_constant = (yyvsp[(1) - (1)].n); + ;} + break; + + case 21: + +/* Line 1464 of yacc.c */ +#line 322 "glsl_parser.ypp" + { + (yyval.expression) = (yyvsp[(2) - (3)].expression); + ;} + break; + + case 23: + +/* Line 1464 of yacc.c */ +#line 330 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_array_index, (yyvsp[(1) - (4)].expression), (yyvsp[(3) - (4)].expression), NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 24: + +/* Line 1464 of yacc.c */ +#line 336 "glsl_parser.ypp" + { + (yyval.expression) = (yyvsp[(1) - (1)].expression); + ;} + break; + + case 25: + +/* Line 1464 of yacc.c */ +#line 340 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_field_selection, (yyvsp[(1) - (3)].expression), NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->primary_expression.identifier = (yyvsp[(3) - (3)].identifier); + ;} + break; + + case 26: + +/* Line 1464 of yacc.c */ +#line 347 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_post_inc, (yyvsp[(1) - (2)].expression), NULL, NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 27: + +/* Line 1464 of yacc.c */ +#line 353 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_post_dec, (yyvsp[(1) - (2)].expression), NULL, NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 31: + +/* Line 1464 of yacc.c */ +#line 371 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_field_selection, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression), NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 36: + +/* Line 1464 of yacc.c */ +#line 390 "glsl_parser.ypp" + { + (yyval.expression) = (yyvsp[(1) - (2)].expression); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->expressions.push_tail(& (yyvsp[(2) - (2)].expression)->link); + ;} + break; + + case 37: + +/* Line 1464 of yacc.c */ +#line 396 "glsl_parser.ypp" + { + (yyval.expression) = (yyvsp[(1) - (3)].expression); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->expressions.push_tail(& (yyvsp[(3) - (3)].expression)->link); + ;} + break; + + case 39: + +/* Line 1464 of yacc.c */ +#line 412 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_function_expression((yyvsp[(1) - (1)].type_specifier)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 40: + +/* Line 1464 of yacc.c */ +#line 418 "glsl_parser.ypp" + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression((yyvsp[(1) - (1)].identifier)); + (yyval.expression) = new(ctx) ast_function_expression(callee); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 41: + +/* Line 1464 of yacc.c */ +#line 425 "glsl_parser.ypp" + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression((yyvsp[(1) - (1)].identifier)); + (yyval.expression) = new(ctx) ast_function_expression(callee); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 43: + +/* Line 1464 of yacc.c */ +#line 437 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_pre_inc, (yyvsp[(2) - (2)].expression), NULL, NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 44: + +/* Line 1464 of yacc.c */ +#line 443 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_pre_dec, (yyvsp[(2) - (2)].expression), NULL, NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 45: + +/* Line 1464 of yacc.c */ +#line 449 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression((yyvsp[(1) - (2)].n), (yyvsp[(2) - (2)].expression), NULL, NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 46: + +/* Line 1464 of yacc.c */ +#line 458 "glsl_parser.ypp" + { (yyval.n) = ast_plus; ;} + break; + + case 47: + +/* Line 1464 of yacc.c */ +#line 459 "glsl_parser.ypp" + { (yyval.n) = ast_neg; ;} + break; + + case 48: + +/* Line 1464 of yacc.c */ +#line 460 "glsl_parser.ypp" + { (yyval.n) = ast_logic_not; ;} + break; + + case 49: + +/* Line 1464 of yacc.c */ +#line 461 "glsl_parser.ypp" + { (yyval.n) = ast_bit_not; ;} + break; + + case 51: + +/* Line 1464 of yacc.c */ +#line 467 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_mul, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 52: + +/* Line 1464 of yacc.c */ +#line 473 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_div, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 53: + +/* Line 1464 of yacc.c */ +#line 479 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_mod, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 55: + +/* Line 1464 of yacc.c */ +#line 489 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_add, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 56: + +/* Line 1464 of yacc.c */ +#line 495 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_sub, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 58: + +/* Line 1464 of yacc.c */ +#line 505 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_lshift, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 59: + +/* Line 1464 of yacc.c */ +#line 511 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_rshift, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 61: + +/* Line 1464 of yacc.c */ +#line 521 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_less, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 62: + +/* Line 1464 of yacc.c */ +#line 527 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_greater, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 63: + +/* Line 1464 of yacc.c */ +#line 533 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_lequal, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 64: + +/* Line 1464 of yacc.c */ +#line 539 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_gequal, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 66: + +/* Line 1464 of yacc.c */ +#line 549 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_equal, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 67: + +/* Line 1464 of yacc.c */ +#line 555 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_nequal, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 69: + +/* Line 1464 of yacc.c */ +#line 565 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_bit_or, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 71: + +/* Line 1464 of yacc.c */ +#line 575 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_bit_xor, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 73: + +/* Line 1464 of yacc.c */ +#line 585 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_bit_or, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 75: + +/* Line 1464 of yacc.c */ +#line 595 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_logic_and, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 77: + +/* Line 1464 of yacc.c */ +#line 605 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_logic_xor, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 79: + +/* Line 1464 of yacc.c */ +#line 615 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression_bin(ast_logic_or, (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 81: + +/* Line 1464 of yacc.c */ +#line 625 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression(ast_conditional, (yyvsp[(1) - (5)].expression), (yyvsp[(3) - (5)].expression), (yyvsp[(5) - (5)].expression)); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 83: + +/* Line 1464 of yacc.c */ +#line 635 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.expression) = new(ctx) ast_expression((yyvsp[(2) - (3)].n), (yyvsp[(1) - (3)].expression), (yyvsp[(3) - (3)].expression), NULL); + (yyval.expression)->set_location(yylloc); + ;} + break; + + case 84: + +/* Line 1464 of yacc.c */ +#line 643 "glsl_parser.ypp" + { (yyval.n) = ast_assign; ;} + break; + + case 85: + +/* Line 1464 of yacc.c */ +#line 644 "glsl_parser.ypp" + { (yyval.n) = ast_mul_assign; ;} + break; + + case 86: + +/* Line 1464 of yacc.c */ +#line 645 "glsl_parser.ypp" + { (yyval.n) = ast_div_assign; ;} + break; + + case 87: + +/* Line 1464 of yacc.c */ +#line 646 "glsl_parser.ypp" + { (yyval.n) = ast_mod_assign; ;} + break; + + case 88: + +/* Line 1464 of yacc.c */ +#line 647 "glsl_parser.ypp" + { (yyval.n) = ast_add_assign; ;} + break; + + case 89: + +/* Line 1464 of yacc.c */ +#line 648 "glsl_parser.ypp" + { (yyval.n) = ast_sub_assign; ;} + break; + + case 90: + +/* Line 1464 of yacc.c */ +#line 649 "glsl_parser.ypp" + { (yyval.n) = ast_ls_assign; ;} + break; + + case 91: + +/* Line 1464 of yacc.c */ +#line 650 "glsl_parser.ypp" + { (yyval.n) = ast_rs_assign; ;} + break; + + case 92: + +/* Line 1464 of yacc.c */ +#line 651 "glsl_parser.ypp" + { (yyval.n) = ast_and_assign; ;} + break; + + case 93: + +/* Line 1464 of yacc.c */ +#line 652 "glsl_parser.ypp" + { (yyval.n) = ast_xor_assign; ;} + break; + + case 94: + +/* Line 1464 of yacc.c */ +#line 653 "glsl_parser.ypp" + { (yyval.n) = ast_or_assign; ;} + break; + + case 95: + +/* Line 1464 of yacc.c */ +#line 658 "glsl_parser.ypp" + { + (yyval.expression) = (yyvsp[(1) - (1)].expression); + ;} + break; + + case 96: + +/* Line 1464 of yacc.c */ +#line 662 "glsl_parser.ypp" + { + void *ctx = state; + if ((yyvsp[(1) - (3)].expression)->oper != ast_sequence) { + (yyval.expression) = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL); + (yyval.expression)->set_location(yylloc); + (yyval.expression)->expressions.push_tail(& (yyvsp[(1) - (3)].expression)->link); + } else { + (yyval.expression) = (yyvsp[(1) - (3)].expression); + } + + (yyval.expression)->expressions.push_tail(& (yyvsp[(3) - (3)].expression)->link); + ;} + break; + + case 98: + +/* Line 1464 of yacc.c */ +#line 682 "glsl_parser.ypp" + { + (yyval.node) = (yyvsp[(1) - (2)].function); + ;} + break; + + case 99: + +/* Line 1464 of yacc.c */ +#line 686 "glsl_parser.ypp" + { + (yyval.node) = (yyvsp[(1) - (2)].declarator_list); + ;} + break; + + case 100: + +/* Line 1464 of yacc.c */ +#line 690 "glsl_parser.ypp" + { + if (((yyvsp[(3) - (4)].type_specifier)->type_specifier != ast_float) + && ((yyvsp[(3) - (4)].type_specifier)->type_specifier != ast_int)) { + _mesa_glsl_error(& (yylsp[(3) - (4)]), state, "global precision qualifier can " + "only be applied to `int' or `float'\n"); + YYERROR; + } + + (yyval.node) = NULL; /* FINISHME */ + ;} + break; + + case 104: + +/* Line 1464 of yacc.c */ +#line 713 "glsl_parser.ypp" + { + (yyval.function) = (yyvsp[(1) - (2)].function); + (yyval.function)->parameters.push_tail(& (yyvsp[(2) - (2)].parameter_declarator)->link); + ;} + break; + + case 105: + +/* Line 1464 of yacc.c */ +#line 718 "glsl_parser.ypp" + { + (yyval.function) = (yyvsp[(1) - (3)].function); + (yyval.function)->parameters.push_tail(& (yyvsp[(3) - (3)].parameter_declarator)->link); + ;} + break; + + case 106: + +/* Line 1464 of yacc.c */ +#line 726 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.function) = new(ctx) ast_function(); + (yyval.function)->set_location(yylloc); + (yyval.function)->return_type = (yyvsp[(1) - (3)].fully_specified_type); + (yyval.function)->identifier = (yyvsp[(2) - (3)].identifier); + ;} + break; + + case 107: + +/* Line 1464 of yacc.c */ +#line 737 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.parameter_declarator) = new(ctx) ast_parameter_declarator(); + (yyval.parameter_declarator)->set_location(yylloc); + (yyval.parameter_declarator)->type = new(ctx) ast_fully_specified_type(); + (yyval.parameter_declarator)->type->set_location(yylloc); + (yyval.parameter_declarator)->type->specifier = (yyvsp[(1) - (2)].type_specifier); + (yyval.parameter_declarator)->identifier = (yyvsp[(2) - (2)].identifier); + ;} + break; + + case 108: + +/* Line 1464 of yacc.c */ +#line 747 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.parameter_declarator) = new(ctx) ast_parameter_declarator(); + (yyval.parameter_declarator)->set_location(yylloc); + (yyval.parameter_declarator)->type = new(ctx) ast_fully_specified_type(); + (yyval.parameter_declarator)->type->set_location(yylloc); + (yyval.parameter_declarator)->type->specifier = (yyvsp[(1) - (5)].type_specifier); + (yyval.parameter_declarator)->identifier = (yyvsp[(2) - (5)].identifier); + (yyval.parameter_declarator)->is_array = true; + (yyval.parameter_declarator)->array_size = (yyvsp[(4) - (5)].expression); + ;} + break; + + case 109: + +/* Line 1464 of yacc.c */ +#line 762 "glsl_parser.ypp" + { + (yyvsp[(1) - (3)].type_qualifier).i |= (yyvsp[(2) - (3)].type_qualifier).i; + + (yyval.parameter_declarator) = (yyvsp[(3) - (3)].parameter_declarator); + (yyval.parameter_declarator)->type->qualifier = (yyvsp[(1) - (3)].type_qualifier).q; + ;} + break; + + case 110: + +/* Line 1464 of yacc.c */ +#line 769 "glsl_parser.ypp" + { + (yyval.parameter_declarator) = (yyvsp[(2) - (2)].parameter_declarator); + (yyval.parameter_declarator)->type->qualifier = (yyvsp[(1) - (2)].type_qualifier).q; + ;} + break; + + case 111: + +/* Line 1464 of yacc.c */ +#line 774 "glsl_parser.ypp" + { + void *ctx = state; + (yyvsp[(1) - (3)].type_qualifier).i |= (yyvsp[(2) - (3)].type_qualifier).i; + + (yyval.parameter_declarator) = new(ctx) ast_parameter_declarator(); + (yyval.parameter_declarator)->set_location(yylloc); + (yyval.parameter_declarator)->type = new(ctx) ast_fully_specified_type(); + (yyval.parameter_declarator)->type->qualifier = (yyvsp[(1) - (3)].type_qualifier).q; + (yyval.parameter_declarator)->type->specifier = (yyvsp[(3) - (3)].type_specifier); + ;} + break; + + case 112: + +/* Line 1464 of yacc.c */ +#line 785 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.parameter_declarator) = new(ctx) ast_parameter_declarator(); + (yyval.parameter_declarator)->set_location(yylloc); + (yyval.parameter_declarator)->type = new(ctx) ast_fully_specified_type(); + (yyval.parameter_declarator)->type->qualifier = (yyvsp[(1) - (2)].type_qualifier).q; + (yyval.parameter_declarator)->type->specifier = (yyvsp[(2) - (2)].type_specifier); + ;} + break; + + case 113: + +/* Line 1464 of yacc.c */ +#line 796 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; ;} + break; + + case 114: + +/* Line 1464 of yacc.c */ +#line 797 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.in = 1; ;} + break; + + case 115: + +/* Line 1464 of yacc.c */ +#line 798 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.out = 1; ;} + break; + + case 116: + +/* Line 1464 of yacc.c */ +#line 799 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.in = 1; (yyval.type_qualifier).q.out = 1; ;} + break; + + case 119: + +/* Line 1464 of yacc.c */ +#line 809 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(3) - (3)].identifier), false, NULL, NULL); + decl->set_location(yylloc); + + (yyval.declarator_list) = (yyvsp[(1) - (3)].declarator_list); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 120: + +/* Line 1464 of yacc.c */ +#line 818 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(3) - (5)].identifier), true, NULL, NULL); + decl->set_location(yylloc); + + (yyval.declarator_list) = (yyvsp[(1) - (5)].declarator_list); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 121: + +/* Line 1464 of yacc.c */ +#line 827 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(3) - (6)].identifier), true, (yyvsp[(5) - (6)].expression), NULL); + decl->set_location(yylloc); + + (yyval.declarator_list) = (yyvsp[(1) - (6)].declarator_list); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 122: + +/* Line 1464 of yacc.c */ +#line 836 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(3) - (7)].identifier), true, NULL, (yyvsp[(7) - (7)].expression)); + decl->set_location(yylloc); + + (yyval.declarator_list) = (yyvsp[(1) - (7)].declarator_list); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 123: + +/* Line 1464 of yacc.c */ +#line 845 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(3) - (8)].identifier), true, (yyvsp[(5) - (8)].expression), (yyvsp[(8) - (8)].expression)); + decl->set_location(yylloc); + + (yyval.declarator_list) = (yyvsp[(1) - (8)].declarator_list); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 124: + +/* Line 1464 of yacc.c */ +#line 854 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(3) - (5)].identifier), false, NULL, (yyvsp[(5) - (5)].expression)); + decl->set_location(yylloc); + + (yyval.declarator_list) = (yyvsp[(1) - (5)].declarator_list); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 125: + +/* Line 1464 of yacc.c */ +#line 867 "glsl_parser.ypp" + { + void *ctx = state; + if ((yyvsp[(1) - (1)].fully_specified_type)->specifier->type_specifier != ast_struct) { + _mesa_glsl_error(& (yylsp[(1) - (1)]), state, "empty declaration list\n"); + YYERROR; + } else { + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (1)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + } + ;} + break; + + case 126: + +/* Line 1464 of yacc.c */ +#line 878 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (2)].identifier), false, NULL, NULL); + + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (2)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 127: + +/* Line 1464 of yacc.c */ +#line 887 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (4)].identifier), true, NULL, NULL); + + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (4)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 128: + +/* Line 1464 of yacc.c */ +#line 896 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (5)].identifier), true, (yyvsp[(4) - (5)].expression), NULL); + + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (5)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 129: + +/* Line 1464 of yacc.c */ +#line 905 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (6)].identifier), true, NULL, (yyvsp[(6) - (6)].expression)); + + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (6)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 130: + +/* Line 1464 of yacc.c */ +#line 914 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (7)].identifier), true, (yyvsp[(4) - (7)].expression), (yyvsp[(7) - (7)].expression)); + + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (7)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 131: + +/* Line 1464 of yacc.c */ +#line 923 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (4)].identifier), false, NULL, (yyvsp[(4) - (4)].expression)); + + (yyval.declarator_list) = new(ctx) ast_declarator_list((yyvsp[(1) - (4)].fully_specified_type)); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 132: + +/* Line 1464 of yacc.c */ +#line 932 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (2)].identifier), false, NULL, NULL); + + (yyval.declarator_list) = new(ctx) ast_declarator_list(NULL); + (yyval.declarator_list)->set_location(yylloc); + (yyval.declarator_list)->invariant = true; + + (yyval.declarator_list)->declarations.push_tail(&decl->link); + ;} + break; + + case 133: + +/* Line 1464 of yacc.c */ +#line 946 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.fully_specified_type) = new(ctx) ast_fully_specified_type(); + (yyval.fully_specified_type)->set_location(yylloc); + (yyval.fully_specified_type)->specifier = (yyvsp[(1) - (1)].type_specifier); + ;} + break; + + case 134: + +/* Line 1464 of yacc.c */ +#line 953 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.fully_specified_type) = new(ctx) ast_fully_specified_type(); + (yyval.fully_specified_type)->set_location(yylloc); + (yyval.fully_specified_type)->qualifier = (yyvsp[(1) - (2)].type_qualifier).q; + (yyval.fully_specified_type)->specifier = (yyvsp[(2) - (2)].type_specifier); + ;} + break; + + case 135: + +/* Line 1464 of yacc.c */ +#line 963 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; ;} + break; + + case 137: + +/* Line 1464 of yacc.c */ +#line 969 "glsl_parser.ypp" + { + (yyval.type_qualifier) = (yyvsp[(3) - (4)].type_qualifier); + ;} + break; + + case 139: + +/* Line 1464 of yacc.c */ +#line 977 "glsl_parser.ypp" + { + (yyval.type_qualifier).i = (yyvsp[(1) - (3)].type_qualifier).i | (yyvsp[(3) - (3)].type_qualifier).i; + ;} + break; + + case 140: + +/* Line 1464 of yacc.c */ +#line 984 "glsl_parser.ypp" + { + (yyval.type_qualifier).i = 0; + + if (state->ARB_fragment_coord_conventions_enable) { + bool got_one = false; + + if (strcmp((yyvsp[(1) - (1)].identifier), "origin_upper_left") == 0) { + got_one = true; + (yyval.type_qualifier).q.origin_upper_left = 1; + } else if (strcmp((yyvsp[(1) - (1)].identifier), "pixel_center_integer") == 0) { + got_one = true; + (yyval.type_qualifier).q.pixel_center_integer = 1; + } + + if (state->ARB_fragment_coord_conventions_warn && got_one) { + _mesa_glsl_warning(& (yylsp[(1) - (1)]), state, + "GL_ARB_fragment_coord_conventions layout " + "identifier `%s' used\n", (yyvsp[(1) - (1)].identifier)); + } + } + + /* If the identifier didn't match any known layout identifiers, + * emit an error. + */ + if ((yyval.type_qualifier).i == 0) { + _mesa_glsl_error(& (yylsp[(1) - (1)]), state, "unrecognized layout identifier " + "`%s'\n", (yyvsp[(1) - (1)].identifier)); + YYERROR; + } + ;} + break; + + case 141: + +/* Line 1464 of yacc.c */ +#line 1017 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.smooth = 1; ;} + break; + + case 142: + +/* Line 1464 of yacc.c */ +#line 1018 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.flat = 1; ;} + break; + + case 143: + +/* Line 1464 of yacc.c */ +#line 1019 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.noperspective = 1; ;} + break; + + case 144: + +/* Line 1464 of yacc.c */ +#line 1023 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.constant = 1; ;} + break; + + case 146: + +/* Line 1464 of yacc.c */ +#line 1029 "glsl_parser.ypp" + { + (yyval.type_qualifier).i = (yyvsp[(1) - (2)].type_qualifier).i | (yyvsp[(2) - (2)].type_qualifier).i; + ;} + break; + + case 147: + +/* Line 1464 of yacc.c */ +#line 1033 "glsl_parser.ypp" + { + (yyval.type_qualifier) = (yyvsp[(2) - (2)].type_qualifier); + (yyval.type_qualifier).q.invariant = 1; + ;} + break; + + case 148: + +/* Line 1464 of yacc.c */ +#line 1040 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.constant = 1; ;} + break; + + case 149: + +/* Line 1464 of yacc.c */ +#line 1041 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.attribute = 1; ;} + break; + + case 150: + +/* Line 1464 of yacc.c */ +#line 1042 "glsl_parser.ypp" + { (yyval.type_qualifier).i = (yyvsp[(1) - (2)].type_qualifier).i; (yyval.type_qualifier).q.varying = 1; ;} + break; + + case 151: + +/* Line 1464 of yacc.c */ +#line 1043 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.centroid = 1; (yyval.type_qualifier).q.varying = 1; ;} + break; + + case 152: + +/* Line 1464 of yacc.c */ +#line 1044 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.in = 1; ;} + break; + + case 153: + +/* Line 1464 of yacc.c */ +#line 1045 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.out = 1; ;} + break; + + case 154: + +/* Line 1464 of yacc.c */ +#line 1046 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.centroid = 1; (yyval.type_qualifier).q.in = 1; ;} + break; + + case 155: + +/* Line 1464 of yacc.c */ +#line 1047 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.centroid = 1; (yyval.type_qualifier).q.out = 1; ;} + break; + + case 156: + +/* Line 1464 of yacc.c */ +#line 1048 "glsl_parser.ypp" + { (yyval.type_qualifier).i = 0; (yyval.type_qualifier).q.uniform = 1; ;} + break; + + case 158: + +/* Line 1464 of yacc.c */ +#line 1054 "glsl_parser.ypp" + { + (yyval.type_specifier) = (yyvsp[(2) - (2)].type_specifier); + (yyval.type_specifier)->precision = (yyvsp[(1) - (2)].n); + ;} + break; + + case 160: + +/* Line 1464 of yacc.c */ +#line 1063 "glsl_parser.ypp" + { + (yyval.type_specifier) = (yyvsp[(1) - (3)].type_specifier); + (yyval.type_specifier)->is_array = true; + (yyval.type_specifier)->array_size = NULL; + ;} + break; + + case 161: + +/* Line 1464 of yacc.c */ +#line 1069 "glsl_parser.ypp" + { + (yyval.type_specifier) = (yyvsp[(1) - (4)].type_specifier); + (yyval.type_specifier)->is_array = true; + (yyval.type_specifier)->array_size = (yyvsp[(3) - (4)].expression); + ;} + break; + + case 162: + +/* Line 1464 of yacc.c */ +#line 1078 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.type_specifier) = new(ctx) ast_type_specifier((yyvsp[(1) - (1)].n)); + (yyval.type_specifier)->set_location(yylloc); + ;} + break; + + case 163: + +/* Line 1464 of yacc.c */ +#line 1084 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.type_specifier) = new(ctx) ast_type_specifier((yyvsp[(1) - (1)].struct_specifier)); + (yyval.type_specifier)->set_location(yylloc); + ;} + break; + + case 164: + +/* Line 1464 of yacc.c */ +#line 1090 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.type_specifier) = new(ctx) ast_type_specifier((yyvsp[(1) - (1)].identifier)); + (yyval.type_specifier)->set_location(yylloc); + ;} + break; + + case 165: + +/* Line 1464 of yacc.c */ +#line 1098 "glsl_parser.ypp" + { (yyval.n) = ast_void; ;} + break; + + case 166: + +/* Line 1464 of yacc.c */ +#line 1099 "glsl_parser.ypp" + { (yyval.n) = ast_float; ;} + break; + + case 167: + +/* Line 1464 of yacc.c */ +#line 1100 "glsl_parser.ypp" + { (yyval.n) = ast_int; ;} + break; + + case 168: + +/* Line 1464 of yacc.c */ +#line 1101 "glsl_parser.ypp" + { (yyval.n) = ast_uint; ;} + break; + + case 169: + +/* Line 1464 of yacc.c */ +#line 1102 "glsl_parser.ypp" + { (yyval.n) = ast_bool; ;} + break; + + case 170: + +/* Line 1464 of yacc.c */ +#line 1103 "glsl_parser.ypp" + { (yyval.n) = ast_vec2; ;} + break; + + case 171: + +/* Line 1464 of yacc.c */ +#line 1104 "glsl_parser.ypp" + { (yyval.n) = ast_vec3; ;} + break; + + case 172: + +/* Line 1464 of yacc.c */ +#line 1105 "glsl_parser.ypp" + { (yyval.n) = ast_vec4; ;} + break; + + case 173: + +/* Line 1464 of yacc.c */ +#line 1106 "glsl_parser.ypp" + { (yyval.n) = ast_bvec2; ;} + break; + + case 174: + +/* Line 1464 of yacc.c */ +#line 1107 "glsl_parser.ypp" + { (yyval.n) = ast_bvec3; ;} + break; + + case 175: + +/* Line 1464 of yacc.c */ +#line 1108 "glsl_parser.ypp" + { (yyval.n) = ast_bvec4; ;} + break; + + case 176: + +/* Line 1464 of yacc.c */ +#line 1109 "glsl_parser.ypp" + { (yyval.n) = ast_ivec2; ;} + break; + + case 177: + +/* Line 1464 of yacc.c */ +#line 1110 "glsl_parser.ypp" + { (yyval.n) = ast_ivec3; ;} + break; + + case 178: + +/* Line 1464 of yacc.c */ +#line 1111 "glsl_parser.ypp" + { (yyval.n) = ast_ivec4; ;} + break; + + case 179: + +/* Line 1464 of yacc.c */ +#line 1112 "glsl_parser.ypp" + { (yyval.n) = ast_uvec2; ;} + break; + + case 180: + +/* Line 1464 of yacc.c */ +#line 1113 "glsl_parser.ypp" + { (yyval.n) = ast_uvec3; ;} + break; + + case 181: + +/* Line 1464 of yacc.c */ +#line 1114 "glsl_parser.ypp" + { (yyval.n) = ast_uvec4; ;} + break; + + case 182: + +/* Line 1464 of yacc.c */ +#line 1115 "glsl_parser.ypp" + { (yyval.n) = ast_mat2; ;} + break; + + case 183: + +/* Line 1464 of yacc.c */ +#line 1116 "glsl_parser.ypp" + { (yyval.n) = ast_mat2x3; ;} + break; + + case 184: + +/* Line 1464 of yacc.c */ +#line 1117 "glsl_parser.ypp" + { (yyval.n) = ast_mat2x4; ;} + break; + + case 185: + +/* Line 1464 of yacc.c */ +#line 1118 "glsl_parser.ypp" + { (yyval.n) = ast_mat3x2; ;} + break; + + case 186: + +/* Line 1464 of yacc.c */ +#line 1119 "glsl_parser.ypp" + { (yyval.n) = ast_mat3; ;} + break; + + case 187: + +/* Line 1464 of yacc.c */ +#line 1120 "glsl_parser.ypp" + { (yyval.n) = ast_mat3x4; ;} + break; + + case 188: + +/* Line 1464 of yacc.c */ +#line 1121 "glsl_parser.ypp" + { (yyval.n) = ast_mat4x2; ;} + break; + + case 189: + +/* Line 1464 of yacc.c */ +#line 1122 "glsl_parser.ypp" + { (yyval.n) = ast_mat4x3; ;} + break; + + case 190: + +/* Line 1464 of yacc.c */ +#line 1123 "glsl_parser.ypp" + { (yyval.n) = ast_mat4; ;} + break; + + case 191: + +/* Line 1464 of yacc.c */ +#line 1124 "glsl_parser.ypp" + { (yyval.n) = ast_sampler1d; ;} + break; + + case 192: + +/* Line 1464 of yacc.c */ +#line 1125 "glsl_parser.ypp" + { (yyval.n) = ast_sampler2d; ;} + break; + + case 193: + +/* Line 1464 of yacc.c */ +#line 1126 "glsl_parser.ypp" + { (yyval.n) = ast_sampler2drect; ;} + break; + + case 194: + +/* Line 1464 of yacc.c */ +#line 1127 "glsl_parser.ypp" + { (yyval.n) = ast_sampler3d; ;} + break; + + case 195: + +/* Line 1464 of yacc.c */ +#line 1128 "glsl_parser.ypp" + { (yyval.n) = ast_samplercube; ;} + break; + + case 196: + +/* Line 1464 of yacc.c */ +#line 1129 "glsl_parser.ypp" + { (yyval.n) = ast_sampler1dshadow; ;} + break; + + case 197: + +/* Line 1464 of yacc.c */ +#line 1130 "glsl_parser.ypp" + { (yyval.n) = ast_sampler2dshadow; ;} + break; + + case 198: + +/* Line 1464 of yacc.c */ +#line 1131 "glsl_parser.ypp" + { (yyval.n) = ast_sampler2drectshadow; ;} + break; + + case 199: + +/* Line 1464 of yacc.c */ +#line 1132 "glsl_parser.ypp" + { (yyval.n) = ast_samplercubeshadow; ;} + break; + + case 200: + +/* Line 1464 of yacc.c */ +#line 1133 "glsl_parser.ypp" + { (yyval.n) = ast_sampler1darray; ;} + break; + + case 201: + +/* Line 1464 of yacc.c */ +#line 1134 "glsl_parser.ypp" + { (yyval.n) = ast_sampler2darray; ;} + break; + + case 202: + +/* Line 1464 of yacc.c */ +#line 1135 "glsl_parser.ypp" + { (yyval.n) = ast_sampler1darrayshadow; ;} + break; + + case 203: + +/* Line 1464 of yacc.c */ +#line 1136 "glsl_parser.ypp" + { (yyval.n) = ast_sampler2darrayshadow; ;} + break; + + case 204: + +/* Line 1464 of yacc.c */ +#line 1137 "glsl_parser.ypp" + { (yyval.n) = ast_isampler1d; ;} + break; + + case 205: + +/* Line 1464 of yacc.c */ +#line 1138 "glsl_parser.ypp" + { (yyval.n) = ast_isampler2d; ;} + break; + + case 206: + +/* Line 1464 of yacc.c */ +#line 1139 "glsl_parser.ypp" + { (yyval.n) = ast_isampler3d; ;} + break; + + case 207: + +/* Line 1464 of yacc.c */ +#line 1140 "glsl_parser.ypp" + { (yyval.n) = ast_isamplercube; ;} + break; + + case 208: + +/* Line 1464 of yacc.c */ +#line 1141 "glsl_parser.ypp" + { (yyval.n) = ast_isampler1darray; ;} + break; + + case 209: + +/* Line 1464 of yacc.c */ +#line 1142 "glsl_parser.ypp" + { (yyval.n) = ast_isampler2darray; ;} + break; + + case 210: + +/* Line 1464 of yacc.c */ +#line 1143 "glsl_parser.ypp" + { (yyval.n) = ast_usampler1d; ;} + break; + + case 211: + +/* Line 1464 of yacc.c */ +#line 1144 "glsl_parser.ypp" + { (yyval.n) = ast_usampler2d; ;} + break; + + case 212: + +/* Line 1464 of yacc.c */ +#line 1145 "glsl_parser.ypp" + { (yyval.n) = ast_usampler3d; ;} + break; + + case 213: + +/* Line 1464 of yacc.c */ +#line 1146 "glsl_parser.ypp" + { (yyval.n) = ast_usamplercube; ;} + break; + + case 214: + +/* Line 1464 of yacc.c */ +#line 1147 "glsl_parser.ypp" + { (yyval.n) = ast_usampler1darray; ;} + break; + + case 215: + +/* Line 1464 of yacc.c */ +#line 1148 "glsl_parser.ypp" + { (yyval.n) = ast_usampler2darray; ;} + break; + + case 216: + +/* Line 1464 of yacc.c */ +#line 1152 "glsl_parser.ypp" + { + if (!state->es_shader && state->language_version < 130) + _mesa_glsl_error(& (yylsp[(1) - (1)]), state, + "precision qualifier forbidden " + "in GLSL %d.%d (1.30 or later " + "required)\n", + state->language_version / 100, + state->language_version % 100); + + (yyval.n) = ast_precision_high; + ;} + break; + + case 217: + +/* Line 1464 of yacc.c */ +#line 1163 "glsl_parser.ypp" + { + if (!state->es_shader && state->language_version < 130) + _mesa_glsl_error(& (yylsp[(1) - (1)]), state, + "precision qualifier forbidden " + "in GLSL %d.%d (1.30 or later " + "required)\n", + state->language_version / 100, + state->language_version % 100); + + (yyval.n) = ast_precision_medium; + ;} + break; + + case 218: + +/* Line 1464 of yacc.c */ +#line 1174 "glsl_parser.ypp" + { + if (!state->es_shader && state->language_version < 130) + _mesa_glsl_error(& (yylsp[(1) - (1)]), state, + "precision qualifier forbidden " + "in GLSL %d.%d (1.30 or later " + "required)\n", + state->language_version / 100, + state->language_version % 100); + + (yyval.n) = ast_precision_low; + ;} + break; + + case 219: + +/* Line 1464 of yacc.c */ +#line 1189 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.struct_specifier) = new(ctx) ast_struct_specifier((yyvsp[(2) - (5)].identifier), (yyvsp[(4) - (5)].node)); + (yyval.struct_specifier)->set_location(yylloc); + ;} + break; + + case 220: + +/* Line 1464 of yacc.c */ +#line 1195 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.struct_specifier) = new(ctx) ast_struct_specifier(NULL, (yyvsp[(3) - (4)].node)); + (yyval.struct_specifier)->set_location(yylloc); + ;} + break; + + case 221: + +/* Line 1464 of yacc.c */ +#line 1204 "glsl_parser.ypp" + { + (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].declarator_list); + (yyvsp[(1) - (1)].declarator_list)->link.self_link(); + ;} + break; + + case 222: + +/* Line 1464 of yacc.c */ +#line 1209 "glsl_parser.ypp" + { + (yyval.node) = (ast_node *) (yyvsp[(1) - (2)].node); + (yyval.node)->link.insert_before(& (yyvsp[(2) - (2)].declarator_list)->link); + ;} + break; + + case 223: + +/* Line 1464 of yacc.c */ +#line 1217 "glsl_parser.ypp" + { + void *ctx = state; + ast_fully_specified_type *type = new(ctx) ast_fully_specified_type(); + type->set_location(yylloc); + + type->specifier = (yyvsp[(1) - (3)].type_specifier); + (yyval.declarator_list) = new(ctx) ast_declarator_list(type); + (yyval.declarator_list)->set_location(yylloc); + + (yyval.declarator_list)->declarations.push_degenerate_list_at_head(& (yyvsp[(2) - (3)].declaration)->link); + ;} + break; + + case 224: + +/* Line 1464 of yacc.c */ +#line 1232 "glsl_parser.ypp" + { + (yyval.declaration) = (yyvsp[(1) - (1)].declaration); + (yyvsp[(1) - (1)].declaration)->link.self_link(); + ;} + break; + + case 225: + +/* Line 1464 of yacc.c */ +#line 1237 "glsl_parser.ypp" + { + (yyval.declaration) = (yyvsp[(1) - (3)].declaration); + (yyval.declaration)->link.insert_before(& (yyvsp[(3) - (3)].declaration)->link); + ;} + break; + + case 226: + +/* Line 1464 of yacc.c */ +#line 1245 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.declaration) = new(ctx) ast_declaration((yyvsp[(1) - (1)].identifier), false, NULL, NULL); + (yyval.declaration)->set_location(yylloc); + ;} + break; + + case 227: + +/* Line 1464 of yacc.c */ +#line 1251 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.declaration) = new(ctx) ast_declaration((yyvsp[(1) - (4)].identifier), true, (yyvsp[(3) - (4)].expression), NULL); + (yyval.declaration)->set_location(yylloc); + ;} + break; + + case 230: + +/* Line 1464 of yacc.c */ +#line 1269 "glsl_parser.ypp" + { (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].compound_statement); ;} + break; + + case 235: + +/* Line 1464 of yacc.c */ +#line 1277 "glsl_parser.ypp" + { (yyval.node) = NULL; ;} + break; + + case 236: + +/* Line 1464 of yacc.c */ +#line 1278 "glsl_parser.ypp" + { (yyval.node) = NULL; ;} + break; + + case 239: + +/* Line 1464 of yacc.c */ +#line 1285 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.compound_statement) = new(ctx) ast_compound_statement(true, NULL); + (yyval.compound_statement)->set_location(yylloc); + ;} + break; + + case 240: + +/* Line 1464 of yacc.c */ +#line 1291 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.compound_statement) = new(ctx) ast_compound_statement(true, (yyvsp[(2) - (3)].node)); + (yyval.compound_statement)->set_location(yylloc); + ;} + break; + + case 241: + +/* Line 1464 of yacc.c */ +#line 1299 "glsl_parser.ypp" + { (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].compound_statement); ;} + break; + + case 243: + +/* Line 1464 of yacc.c */ +#line 1305 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.compound_statement) = new(ctx) ast_compound_statement(false, NULL); + (yyval.compound_statement)->set_location(yylloc); + ;} + break; + + case 244: + +/* Line 1464 of yacc.c */ +#line 1311 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.compound_statement) = new(ctx) ast_compound_statement(false, (yyvsp[(2) - (3)].node)); + (yyval.compound_statement)->set_location(yylloc); + ;} + break; + + case 245: + +/* Line 1464 of yacc.c */ +#line 1320 "glsl_parser.ypp" + { + if ((yyvsp[(1) - (1)].node) == NULL) { + _mesa_glsl_error(& (yylsp[(1) - (1)]), state, "<nil> statement\n"); + assert((yyvsp[(1) - (1)].node) != NULL); + } + + (yyval.node) = (yyvsp[(1) - (1)].node); + (yyval.node)->link.self_link(); + ;} + break; + + case 246: + +/* Line 1464 of yacc.c */ +#line 1330 "glsl_parser.ypp" + { + if ((yyvsp[(2) - (2)].node) == NULL) { + _mesa_glsl_error(& (yylsp[(2) - (2)]), state, "<nil> statement\n"); + assert((yyvsp[(2) - (2)].node) != NULL); + } + (yyval.node) = (yyvsp[(1) - (2)].node); + (yyval.node)->link.insert_before(& (yyvsp[(2) - (2)].node)->link); + ;} + break; + + case 247: + +/* Line 1464 of yacc.c */ +#line 1342 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_expression_statement(NULL); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 248: + +/* Line 1464 of yacc.c */ +#line 1348 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_expression_statement((yyvsp[(1) - (2)].expression)); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 249: + +/* Line 1464 of yacc.c */ +#line 1357 "glsl_parser.ypp" + { + (yyval.node) = new(state) ast_selection_statement((yyvsp[(3) - (5)].expression), (yyvsp[(5) - (5)].selection_rest_statement).then_statement, + (yyvsp[(5) - (5)].selection_rest_statement).else_statement); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 250: + +/* Line 1464 of yacc.c */ +#line 1366 "glsl_parser.ypp" + { + (yyval.selection_rest_statement).then_statement = (yyvsp[(1) - (3)].node); + (yyval.selection_rest_statement).else_statement = (yyvsp[(3) - (3)].node); + ;} + break; + + case 251: + +/* Line 1464 of yacc.c */ +#line 1371 "glsl_parser.ypp" + { + (yyval.selection_rest_statement).then_statement = (yyvsp[(1) - (1)].node); + (yyval.selection_rest_statement).else_statement = NULL; + ;} + break; + + case 252: + +/* Line 1464 of yacc.c */ +#line 1379 "glsl_parser.ypp" + { + (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].expression); + ;} + break; + + case 253: + +/* Line 1464 of yacc.c */ +#line 1383 "glsl_parser.ypp" + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (4)].identifier), false, NULL, (yyvsp[(4) - (4)].expression)); + ast_declarator_list *declarator = new(ctx) ast_declarator_list((yyvsp[(1) - (4)].fully_specified_type)); + decl->set_location(yylloc); + declarator->set_location(yylloc); + + declarator->declarations.push_tail(&decl->link); + (yyval.node) = declarator; + ;} + break; + + case 257: + +/* Line 1464 of yacc.c */ +#line 1406 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while, + NULL, (yyvsp[(3) - (5)].node), NULL, (yyvsp[(5) - (5)].node)); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 258: + +/* Line 1464 of yacc.c */ +#line 1413 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while, + NULL, (yyvsp[(5) - (7)].expression), NULL, (yyvsp[(2) - (7)].node)); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 259: + +/* Line 1464 of yacc.c */ +#line 1420 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for, + (yyvsp[(3) - (6)].node), (yyvsp[(4) - (6)].for_rest_statement).cond, (yyvsp[(4) - (6)].for_rest_statement).rest, (yyvsp[(6) - (6)].node)); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 263: + +/* Line 1464 of yacc.c */ +#line 1436 "glsl_parser.ypp" + { + (yyval.node) = NULL; + ;} + break; + + case 264: + +/* Line 1464 of yacc.c */ +#line 1443 "glsl_parser.ypp" + { + (yyval.for_rest_statement).cond = (yyvsp[(1) - (2)].node); + (yyval.for_rest_statement).rest = NULL; + ;} + break; + + case 265: + +/* Line 1464 of yacc.c */ +#line 1448 "glsl_parser.ypp" + { + (yyval.for_rest_statement).cond = (yyvsp[(1) - (3)].node); + (yyval.for_rest_statement).rest = (yyvsp[(3) - (3)].expression); + ;} + break; + + case 266: + +/* Line 1464 of yacc.c */ +#line 1457 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 267: + +/* Line 1464 of yacc.c */ +#line 1463 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 268: + +/* Line 1464 of yacc.c */ +#line 1469 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 269: + +/* Line 1464 of yacc.c */ +#line 1475 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, (yyvsp[(2) - (3)].expression)); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 270: + +/* Line 1464 of yacc.c */ +#line 1481 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL); + (yyval.node)->set_location(yylloc); + ;} + break; + + case 271: + +/* Line 1464 of yacc.c */ +#line 1489 "glsl_parser.ypp" + { (yyval.node) = (yyvsp[(1) - (1)].function_definition); ;} + break; + + case 272: + +/* Line 1464 of yacc.c */ +#line 1490 "glsl_parser.ypp" + { (yyval.node) = (yyvsp[(1) - (1)].node); ;} + break; + + case 273: + +/* Line 1464 of yacc.c */ +#line 1491 "glsl_parser.ypp" + { (yyval.node) = NULL; ;} + break; + + case 274: + +/* Line 1464 of yacc.c */ +#line 1496 "glsl_parser.ypp" + { + void *ctx = state; + (yyval.function_definition) = new(ctx) ast_function_definition(); + (yyval.function_definition)->set_location(yylloc); + (yyval.function_definition)->prototype = (yyvsp[(1) - (2)].function); + (yyval.function_definition)->body = (yyvsp[(2) - (2)].compound_statement); + ;} + break; + + + +/* Line 1464 of yacc.c */ +#line 5016 "glsl_parser.cpp" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + *++yylsp = yyloc; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (&yylloc, state, YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (&yylloc, state, yymsg); + } + else + { + yyerror (&yylloc, state, YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + yyerror_range[1] = yylloc; + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, &yylloc, state); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + yyerror_range[1] = yylsp[1-yylen]; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + yyerror_range[1] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp, state); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + yyerror_range[2] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the lookahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, yyerror_range, 2); + *++yylsp = yyloc; + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (&yylloc, state, YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, &yylloc, state); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp, state); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + diff --git a/mesalib/src/glsl/glsl_parser.h b/mesalib/src/glsl/glsl_parser.h new file mode 100644 index 000000000..4a780375b --- /dev/null +++ b/mesalib/src/glsl/glsl_parser.h @@ -0,0 +1,298 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton interface for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + ATTRIBUTE = 258, + CONST_TOK = 259, + BOOL_TOK = 260, + FLOAT_TOK = 261, + INT_TOK = 262, + UINT_TOK = 263, + BREAK = 264, + CONTINUE = 265, + DO = 266, + ELSE = 267, + FOR = 268, + IF = 269, + DISCARD = 270, + RETURN = 271, + SWITCH = 272, + CASE = 273, + DEFAULT = 274, + BVEC2 = 275, + BVEC3 = 276, + BVEC4 = 277, + IVEC2 = 278, + IVEC3 = 279, + IVEC4 = 280, + UVEC2 = 281, + UVEC3 = 282, + UVEC4 = 283, + VEC2 = 284, + VEC3 = 285, + VEC4 = 286, + CENTROID = 287, + IN_TOK = 288, + OUT_TOK = 289, + INOUT_TOK = 290, + UNIFORM = 291, + VARYING = 292, + NOPERSPECTIVE = 293, + FLAT = 294, + SMOOTH = 295, + MAT2X2 = 296, + MAT2X3 = 297, + MAT2X4 = 298, + MAT3X2 = 299, + MAT3X3 = 300, + MAT3X4 = 301, + MAT4X2 = 302, + MAT4X3 = 303, + MAT4X4 = 304, + SAMPLER1D = 305, + SAMPLER2D = 306, + SAMPLER3D = 307, + SAMPLERCUBE = 308, + SAMPLER1DSHADOW = 309, + SAMPLER2DSHADOW = 310, + SAMPLERCUBESHADOW = 311, + SAMPLER1DARRAY = 312, + SAMPLER2DARRAY = 313, + SAMPLER1DARRAYSHADOW = 314, + SAMPLER2DARRAYSHADOW = 315, + ISAMPLER1D = 316, + ISAMPLER2D = 317, + ISAMPLER3D = 318, + ISAMPLERCUBE = 319, + ISAMPLER1DARRAY = 320, + ISAMPLER2DARRAY = 321, + USAMPLER1D = 322, + USAMPLER2D = 323, + USAMPLER3D = 324, + USAMPLERCUBE = 325, + USAMPLER1DARRAY = 326, + USAMPLER2DARRAY = 327, + STRUCT = 328, + VOID_TOK = 329, + WHILE = 330, + IDENTIFIER = 331, + FLOATCONSTANT = 332, + INTCONSTANT = 333, + UINTCONSTANT = 334, + BOOLCONSTANT = 335, + FIELD_SELECTION = 336, + LEFT_OP = 337, + RIGHT_OP = 338, + INC_OP = 339, + DEC_OP = 340, + LE_OP = 341, + GE_OP = 342, + EQ_OP = 343, + NE_OP = 344, + AND_OP = 345, + OR_OP = 346, + XOR_OP = 347, + MUL_ASSIGN = 348, + DIV_ASSIGN = 349, + ADD_ASSIGN = 350, + MOD_ASSIGN = 351, + LEFT_ASSIGN = 352, + RIGHT_ASSIGN = 353, + AND_ASSIGN = 354, + XOR_ASSIGN = 355, + OR_ASSIGN = 356, + SUB_ASSIGN = 357, + INVARIANT = 358, + LOWP = 359, + MEDIUMP = 360, + HIGHP = 361, + SUPERP = 362, + PRECISION = 363, + VERSION = 364, + EXTENSION = 365, + LINE = 366, + COLON = 367, + EOL = 368, + INTERFACE = 369, + OUTPUT = 370, + PRAGMA_DEBUG_ON = 371, + PRAGMA_DEBUG_OFF = 372, + PRAGMA_OPTIMIZE_ON = 373, + PRAGMA_OPTIMIZE_OFF = 374, + LAYOUT_TOK = 375, + ASM = 376, + CLASS = 377, + UNION = 378, + ENUM = 379, + TYPEDEF = 380, + TEMPLATE = 381, + THIS = 382, + PACKED_TOK = 383, + GOTO = 384, + INLINE_TOK = 385, + NOINLINE = 386, + VOLATILE = 387, + PUBLIC_TOK = 388, + STATIC = 389, + EXTERN = 390, + EXTERNAL = 391, + LONG_TOK = 392, + SHORT_TOK = 393, + DOUBLE_TOK = 394, + HALF = 395, + FIXED_TOK = 396, + UNSIGNED = 397, + INPUT_TOK = 398, + OUPTUT = 399, + HVEC2 = 400, + HVEC3 = 401, + HVEC4 = 402, + DVEC2 = 403, + DVEC3 = 404, + DVEC4 = 405, + FVEC2 = 406, + FVEC3 = 407, + FVEC4 = 408, + SAMPLER2DRECT = 409, + SAMPLER3DRECT = 410, + SAMPLER2DRECTSHADOW = 411, + SIZEOF = 412, + CAST = 413, + NAMESPACE = 414, + USING = 415, + ERROR_TOK = 416, + COMMON = 417, + PARTITION = 418, + ACTIVE = 419, + SAMPLERBUFFER = 420, + FILTER = 421, + IMAGE1D = 422, + IMAGE2D = 423, + IMAGE3D = 424, + IMAGECUBE = 425, + IMAGE1DARRAY = 426, + IMAGE2DARRAY = 427, + IIMAGE1D = 428, + IIMAGE2D = 429, + IIMAGE3D = 430, + IIMAGECUBE = 431, + IIMAGE1DARRAY = 432, + IIMAGE2DARRAY = 433, + UIMAGE1D = 434, + UIMAGE2D = 435, + UIMAGE3D = 436, + UIMAGECUBE = 437, + UIMAGE1DARRAY = 438, + UIMAGE2DARRAY = 439, + IMAGE1DSHADOW = 440, + IMAGE2DSHADOW = 441, + IMAGEBUFFER = 442, + IIMAGEBUFFER = 443, + UIMAGEBUFFER = 444, + ROW_MAJOR = 445 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 1685 of yacc.c */ +#line 52 "glsl_parser.ypp" + + int n; + float real; + char *identifier; + + union { + struct ast_type_qualifier q; + unsigned i; + } type_qualifier; + + ast_node *node; + ast_type_specifier *type_specifier; + ast_fully_specified_type *fully_specified_type; + ast_function *function; + ast_parameter_declarator *parameter_declarator; + ast_function_definition *function_definition; + ast_compound_statement *compound_statement; + ast_expression *expression; + ast_declarator_list *declarator_list; + ast_struct_specifier *struct_specifier; + ast_declaration *declaration; + + struct { + ast_node *cond; + ast_expression *rest; + } for_rest_statement; + + struct { + ast_node *then_statement; + ast_node *else_statement; + } selection_rest_statement; + + + +/* Line 1685 of yacc.c */ +#line 276 "glsl_parser.h" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + + diff --git a/mesalib/src/glsl/glsl_parser.ypp b/mesalib/src/glsl/glsl_parser.ypp new file mode 100644 index 000000000..0df1e480c --- /dev/null +++ b/mesalib/src/glsl/glsl_parser.ypp @@ -0,0 +1,1503 @@ +%{ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_types.h" + +#define YYLEX_PARAM state->scanner + +%} + +%pure-parser +%error-verbose + +%locations +%initial-action { + @$.first_line = 1; + @$.first_column = 1; + @$.last_line = 1; + @$.last_column = 1; + @$.source = 0; +} + +%lex-param {void *scanner} +%parse-param {struct _mesa_glsl_parse_state *state} + +%union { + int n; + float real; + char *identifier; + + union { + struct ast_type_qualifier q; + unsigned i; + } type_qualifier; + + ast_node *node; + ast_type_specifier *type_specifier; + ast_fully_specified_type *fully_specified_type; + ast_function *function; + ast_parameter_declarator *parameter_declarator; + ast_function_definition *function_definition; + ast_compound_statement *compound_statement; + ast_expression *expression; + ast_declarator_list *declarator_list; + ast_struct_specifier *struct_specifier; + ast_declaration *declaration; + + struct { + ast_node *cond; + ast_expression *rest; + } for_rest_statement; + + struct { + ast_node *then_statement; + ast_node *else_statement; + } selection_rest_statement; +} + +%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK +%token BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT +%token BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 UVEC2 UVEC3 UVEC4 VEC2 VEC3 VEC4 +%token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING +%token NOPERSPECTIVE FLAT SMOOTH +%token MAT2X2 MAT2X3 MAT2X4 +%token MAT3X2 MAT3X3 MAT3X4 +%token MAT4X2 MAT4X3 MAT4X4 +%token SAMPLER1D SAMPLER2D SAMPLER3D SAMPLERCUBE SAMPLER1DSHADOW SAMPLER2DSHADOW +%token SAMPLERCUBESHADOW SAMPLER1DARRAY SAMPLER2DARRAY SAMPLER1DARRAYSHADOW +%token SAMPLER2DARRAYSHADOW ISAMPLER1D ISAMPLER2D ISAMPLER3D ISAMPLERCUBE +%token ISAMPLER1DARRAY ISAMPLER2DARRAY USAMPLER1D USAMPLER2D USAMPLER3D +%token USAMPLERCUBE USAMPLER1DARRAY USAMPLER2DARRAY +%token STRUCT VOID_TOK WHILE +%token <identifier> IDENTIFIER +%token <real> FLOATCONSTANT +%token <n> INTCONSTANT UINTCONSTANT BOOLCONSTANT +%token <identifier> FIELD_SELECTION +%token LEFT_OP RIGHT_OP +%token INC_OP DEC_OP LE_OP GE_OP EQ_OP NE_OP +%token AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN +%token MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN +%token SUB_ASSIGN +%token INVARIANT +%token LOWP MEDIUMP HIGHP SUPERP PRECISION + +%token VERSION EXTENSION LINE COLON EOL INTERFACE OUTPUT +%token PRAGMA_DEBUG_ON PRAGMA_DEBUG_OFF +%token PRAGMA_OPTIMIZE_ON PRAGMA_OPTIMIZE_OFF +%token LAYOUT_TOK + + /* Reserved words that are not actually used in the grammar. + */ +%token ASM CLASS UNION ENUM TYPEDEF TEMPLATE THIS PACKED_TOK GOTO +%token INLINE_TOK NOINLINE VOLATILE PUBLIC_TOK STATIC EXTERN EXTERNAL +%token LONG_TOK SHORT_TOK DOUBLE_TOK HALF FIXED_TOK UNSIGNED INPUT_TOK OUPTUT +%token HVEC2 HVEC3 HVEC4 DVEC2 DVEC3 DVEC4 FVEC2 FVEC3 FVEC4 +%token SAMPLER2DRECT SAMPLER3DRECT SAMPLER2DRECTSHADOW +%token SIZEOF CAST NAMESPACE USING + +%token ERROR_TOK + +%token COMMON PARTITION ACTIVE SAMPLERBUFFER FILTER +%token IMAGE1D IMAGE2D IMAGE3D IMAGECUBE IMAGE1DARRAY IMAGE2DARRAY +%token IIMAGE1D IIMAGE2D IIMAGE3D IIMAGECUBE IIMAGE1DARRAY IIMAGE2DARRAY +%token UIMAGE1D UIMAGE2D UIMAGE3D UIMAGECUBE UIMAGE1DARRAY UIMAGE2DARRAY +%token IMAGE1DSHADOW IMAGE2DSHADOW IMAGEBUFFER IIMAGEBUFFER UIMAGEBUFFER +%token ROW_MAJOR + +%type <identifier> variable_identifier +%type <node> statement +%type <node> statement_list +%type <node> simple_statement +%type <n> precision_qualifier +%type <type_qualifier> type_qualifier +%type <type_qualifier> storage_qualifier +%type <type_qualifier> interpolation_qualifier +%type <type_qualifier> opt_layout_qualifier layout_qualifier +%type <type_qualifier> layout_qualifier_id_list layout_qualifier_id +%type <type_specifier> type_specifier +%type <type_specifier> type_specifier_no_prec +%type <type_specifier> type_specifier_nonarray +%type <n> basic_type_specifier_nonarray +%type <fully_specified_type> fully_specified_type +%type <function> function_prototype +%type <function> function_header +%type <function> function_header_with_parameters +%type <function> function_declarator +%type <parameter_declarator> parameter_declarator +%type <parameter_declarator> parameter_declaration +%type <type_qualifier> parameter_qualifier +%type <type_qualifier> parameter_type_qualifier +%type <type_specifier> parameter_type_specifier +%type <function_definition> function_definition +%type <compound_statement> compound_statement_no_new_scope +%type <compound_statement> compound_statement +%type <node> statement_no_new_scope +%type <node> expression_statement +%type <expression> expression +%type <expression> primary_expression +%type <expression> assignment_expression +%type <expression> conditional_expression +%type <expression> logical_or_expression +%type <expression> logical_xor_expression +%type <expression> logical_and_expression +%type <expression> inclusive_or_expression +%type <expression> exclusive_or_expression +%type <expression> and_expression +%type <expression> equality_expression +%type <expression> relational_expression +%type <expression> shift_expression +%type <expression> additive_expression +%type <expression> multiplicative_expression +%type <expression> unary_expression +%type <expression> constant_expression +%type <expression> integer_expression +%type <expression> postfix_expression +%type <expression> function_call_header_with_parameters +%type <expression> function_call_header_no_parameters +%type <expression> function_call_header +%type <expression> function_call_generic +%type <expression> function_call_or_method +%type <expression> function_call +%type <n> assignment_operator +%type <n> unary_operator +%type <expression> function_identifier +%type <node> external_declaration +%type <declarator_list> init_declarator_list +%type <declarator_list> single_declaration +%type <expression> initializer +%type <node> declaration +%type <node> declaration_statement +%type <node> jump_statement +%type <struct_specifier> struct_specifier +%type <node> struct_declaration_list +%type <declarator_list> struct_declaration +%type <declaration> struct_declarator +%type <declaration> struct_declarator_list +%type <node> selection_statement +%type <selection_rest_statement> selection_rest_statement +%type <node> iteration_statement +%type <node> condition +%type <node> conditionopt +%type <node> for_init_statement +%type <for_rest_statement> for_rest_statement +%% + +translation_unit: + version_statement extension_statement_list + { + _mesa_glsl_initialize_types(state); + } + external_declaration_list + ; + +version_statement: + /* blank - no #version specified: defaults are already set */ + | VERSION INTCONSTANT EOL + { + switch ($2) { + case 100: + state->es_shader = true; + case 110: + case 120: + case 130: + /* FINISHME: Check against implementation support versions. */ + state->language_version = $2; + break; + default: + _mesa_glsl_error(& @2, state, "Shading language version" + "%u is not supported\n", $2); + break; + } + } + ; + +pragma_statement: + PRAGMA_DEBUG_ON EOL + | PRAGMA_DEBUG_OFF EOL + | PRAGMA_OPTIMIZE_ON EOL + | PRAGMA_OPTIMIZE_OFF EOL + ; + +extension_statement_list: + + | extension_statement_list extension_statement + ; + +extension_statement: + EXTENSION IDENTIFIER COLON IDENTIFIER EOL + { + if (!_mesa_glsl_process_extension($2, & @2, $4, & @4, state)) { + YYERROR; + } + } + ; + +external_declaration_list: + external_declaration + { + /* FINISHME: The NULL test is only required because 'precision' + * FINISHME: statements are not yet supported. + */ + if ($1 != NULL) + state->translation_unit.push_tail(& $1->link); + } + | external_declaration_list external_declaration + { + /* FINISHME: The NULL test is only required because 'precision' + * FINISHME: statements are not yet supported. + */ + if ($2 != NULL) + state->translation_unit.push_tail(& $2->link); + } + ; + +variable_identifier: + IDENTIFIER + ; + +primary_expression: + variable_identifier + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.identifier = $1; + } + | INTCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.int_constant = $1; + } + | UINTCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.uint_constant = $1; + } + | FLOATCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.float_constant = $1; + } + | BOOLCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.bool_constant = $1; + } + | '(' expression ')' + { + $$ = $2; + } + ; + +postfix_expression: + primary_expression + | postfix_expression '[' integer_expression ']' + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_array_index, $1, $3, NULL); + $$->set_location(yylloc); + } + | function_call + { + $$ = $1; + } + | postfix_expression '.' IDENTIFIER + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_field_selection, $1, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.identifier = $3; + } + | postfix_expression INC_OP + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_post_inc, $1, NULL, NULL); + $$->set_location(yylloc); + } + | postfix_expression DEC_OP + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_post_dec, $1, NULL, NULL); + $$->set_location(yylloc); + } + ; + +integer_expression: + expression + ; + +function_call: + function_call_or_method + ; + +function_call_or_method: + function_call_generic + | postfix_expression '.' function_call_generic + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_field_selection, $1, $3, NULL); + $$->set_location(yylloc); + } + ; + +function_call_generic: + function_call_header_with_parameters ')' + | function_call_header_no_parameters ')' + ; + +function_call_header_no_parameters: + function_call_header VOID_TOK + | function_call_header + ; + +function_call_header_with_parameters: + function_call_header assignment_expression + { + $$ = $1; + $$->set_location(yylloc); + $$->expressions.push_tail(& $2->link); + } + | function_call_header_with_parameters ',' assignment_expression + { + $$ = $1; + $$->set_location(yylloc); + $$->expressions.push_tail(& $3->link); + } + ; + + // Grammar Note: Constructors look like functions, but lexical + // analysis recognized most of them as keywords. They are now + // recognized through "type_specifier". +function_call_header: + function_identifier '(' + ; + +function_identifier: + type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_function_expression($1); + $$->set_location(yylloc); + } + | IDENTIFIER + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression($1); + $$ = new(ctx) ast_function_expression(callee); + $$->set_location(yylloc); + } + | FIELD_SELECTION + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression($1); + $$ = new(ctx) ast_function_expression(callee); + $$->set_location(yylloc); + } + ; + + // Grammar Note: No traditional style type casts. +unary_expression: + postfix_expression + | INC_OP unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_pre_inc, $2, NULL, NULL); + $$->set_location(yylloc); + } + | DEC_OP unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_pre_dec, $2, NULL, NULL); + $$->set_location(yylloc); + } + | unary_operator unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression($1, $2, NULL, NULL); + $$->set_location(yylloc); + } + ; + + // Grammar Note: No '*' or '&' unary ops. Pointers are not supported. +unary_operator: + '+' { $$ = ast_plus; } + | '-' { $$ = ast_neg; } + | '!' { $$ = ast_logic_not; } + | '~' { $$ = ast_bit_not; } + ; + +multiplicative_expression: + unary_expression + | multiplicative_expression '*' unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_mul, $1, $3); + $$->set_location(yylloc); + } + | multiplicative_expression '/' unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_div, $1, $3); + $$->set_location(yylloc); + } + | multiplicative_expression '%' unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_mod, $1, $3); + $$->set_location(yylloc); + } + ; + +additive_expression: + multiplicative_expression + | additive_expression '+' multiplicative_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_add, $1, $3); + $$->set_location(yylloc); + } + | additive_expression '-' multiplicative_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_sub, $1, $3); + $$->set_location(yylloc); + } + ; + +shift_expression: + additive_expression + | shift_expression LEFT_OP additive_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_lshift, $1, $3); + $$->set_location(yylloc); + } + | shift_expression RIGHT_OP additive_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_rshift, $1, $3); + $$->set_location(yylloc); + } + ; + +relational_expression: + shift_expression + | relational_expression '<' shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_less, $1, $3); + $$->set_location(yylloc); + } + | relational_expression '>' shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_greater, $1, $3); + $$->set_location(yylloc); + } + | relational_expression LE_OP shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_lequal, $1, $3); + $$->set_location(yylloc); + } + | relational_expression GE_OP shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_gequal, $1, $3); + $$->set_location(yylloc); + } + ; + +equality_expression: + relational_expression + | equality_expression EQ_OP relational_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_equal, $1, $3); + $$->set_location(yylloc); + } + | equality_expression NE_OP relational_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_nequal, $1, $3); + $$->set_location(yylloc); + } + ; + +and_expression: + equality_expression + | and_expression '&' equality_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3); + $$->set_location(yylloc); + } + ; + +exclusive_or_expression: + and_expression + | exclusive_or_expression '^' and_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_bit_xor, $1, $3); + $$->set_location(yylloc); + } + ; + +inclusive_or_expression: + exclusive_or_expression + | inclusive_or_expression '|' exclusive_or_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3); + $$->set_location(yylloc); + } + ; + +logical_and_expression: + inclusive_or_expression + | logical_and_expression AND_OP inclusive_or_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_logic_and, $1, $3); + $$->set_location(yylloc); + } + ; + +logical_xor_expression: + logical_and_expression + | logical_xor_expression XOR_OP logical_and_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_logic_xor, $1, $3); + $$->set_location(yylloc); + } + ; + +logical_or_expression: + logical_xor_expression + | logical_or_expression OR_OP logical_xor_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_logic_or, $1, $3); + $$->set_location(yylloc); + } + ; + +conditional_expression: + logical_or_expression + | logical_or_expression '?' expression ':' assignment_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_conditional, $1, $3, $5); + $$->set_location(yylloc); + } + ; + +assignment_expression: + conditional_expression + | unary_expression assignment_operator assignment_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression($2, $1, $3, NULL); + $$->set_location(yylloc); + } + ; + +assignment_operator: + '=' { $$ = ast_assign; } + | MUL_ASSIGN { $$ = ast_mul_assign; } + | DIV_ASSIGN { $$ = ast_div_assign; } + | MOD_ASSIGN { $$ = ast_mod_assign; } + | ADD_ASSIGN { $$ = ast_add_assign; } + | SUB_ASSIGN { $$ = ast_sub_assign; } + | LEFT_ASSIGN { $$ = ast_ls_assign; } + | RIGHT_ASSIGN { $$ = ast_rs_assign; } + | AND_ASSIGN { $$ = ast_and_assign; } + | XOR_ASSIGN { $$ = ast_xor_assign; } + | OR_ASSIGN { $$ = ast_or_assign; } + ; + +expression: + assignment_expression + { + $$ = $1; + } + | expression ',' assignment_expression + { + void *ctx = state; + if ($1->oper != ast_sequence) { + $$ = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->expressions.push_tail(& $1->link); + } else { + $$ = $1; + } + + $$->expressions.push_tail(& $3->link); + } + ; + +constant_expression: + conditional_expression + ; + +declaration: + function_prototype ';' + { + $$ = $1; + } + | init_declarator_list ';' + { + $$ = $1; + } + | PRECISION precision_qualifier type_specifier_no_prec ';' + { + if (($3->type_specifier != ast_float) + && ($3->type_specifier != ast_int)) { + _mesa_glsl_error(& @3, state, "global precision qualifier can " + "only be applied to `int' or `float'\n"); + YYERROR; + } + + $$ = NULL; /* FINISHME */ + } + ; + +function_prototype: + function_declarator ')' + ; + +function_declarator: + function_header + | function_header_with_parameters + ; + +function_header_with_parameters: + function_header parameter_declaration + { + $$ = $1; + $$->parameters.push_tail(& $2->link); + } + | function_header_with_parameters ',' parameter_declaration + { + $$ = $1; + $$->parameters.push_tail(& $3->link); + } + ; + +function_header: + fully_specified_type IDENTIFIER '(' + { + void *ctx = state; + $$ = new(ctx) ast_function(); + $$->set_location(yylloc); + $$->return_type = $1; + $$->identifier = $2; + } + ; + +parameter_declarator: + type_specifier IDENTIFIER + { + void *ctx = state; + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->set_location(yylloc); + $$->type->specifier = $1; + $$->identifier = $2; + } + | type_specifier IDENTIFIER '[' constant_expression ']' + { + void *ctx = state; + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->set_location(yylloc); + $$->type->specifier = $1; + $$->identifier = $2; + $$->is_array = true; + $$->array_size = $4; + } + ; + +parameter_declaration: + parameter_type_qualifier parameter_qualifier parameter_declarator + { + $1.i |= $2.i; + + $$ = $3; + $$->type->qualifier = $1.q; + } + | parameter_qualifier parameter_declarator + { + $$ = $2; + $$->type->qualifier = $1.q; + } + | parameter_type_qualifier parameter_qualifier parameter_type_specifier + { + void *ctx = state; + $1.i |= $2.i; + + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->qualifier = $1.q; + $$->type->specifier = $3; + } + | parameter_qualifier parameter_type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->qualifier = $1.q; + $$->type->specifier = $2; + } + ; + +parameter_qualifier: + /* empty */ { $$.i = 0; } + | IN_TOK { $$.i = 0; $$.q.in = 1; } + | OUT_TOK { $$.i = 0; $$.q.out = 1; } + | INOUT_TOK { $$.i = 0; $$.q.in = 1; $$.q.out = 1; } + ; + +parameter_type_specifier: + type_specifier + ; + +init_declarator_list: + single_declaration + | init_declarator_list ',' IDENTIFIER + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + } + | init_declarator_list ',' IDENTIFIER '[' ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + } + | init_declarator_list ',' IDENTIFIER '[' constant_expression ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + } + | init_declarator_list ',' IDENTIFIER '[' ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + } + | init_declarator_list ',' IDENTIFIER '[' constant_expression ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + } + | init_declarator_list ',' IDENTIFIER '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + } + ; + + // Grammar Note: No 'enum', or 'typedef'. +single_declaration: + fully_specified_type + { + void *ctx = state; + if ($1->specifier->type_specifier != ast_struct) { + _mesa_glsl_error(& @1, state, "empty declaration list\n"); + YYERROR; + } else { + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + } + } + | fully_specified_type IDENTIFIER + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type IDENTIFIER '[' ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type IDENTIFIER '[' constant_expression ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type IDENTIFIER '[' ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type IDENTIFIER '[' constant_expression ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type IDENTIFIER '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | INVARIANT IDENTIFIER // Vertex only. + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL); + + $$ = new(ctx) ast_declarator_list(NULL); + $$->set_location(yylloc); + $$->invariant = true; + + $$->declarations.push_tail(&decl->link); + } + ; + +fully_specified_type: + type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_fully_specified_type(); + $$->set_location(yylloc); + $$->specifier = $1; + } + | type_qualifier type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_fully_specified_type(); + $$->set_location(yylloc); + $$->qualifier = $1.q; + $$->specifier = $2; + } + ; + +opt_layout_qualifier: + { $$.i = 0; } + | layout_qualifier + ; + +layout_qualifier: + LAYOUT_TOK '(' layout_qualifier_id_list ')' + { + $$ = $3; + } + ; + +layout_qualifier_id_list: + layout_qualifier_id + | layout_qualifier_id_list ',' layout_qualifier_id + { + $$.i = $1.i | $3.i; + } + ; + +layout_qualifier_id: + IDENTIFIER + { + $$.i = 0; + + if (state->ARB_fragment_coord_conventions_enable) { + bool got_one = false; + + if (strcmp($1, "origin_upper_left") == 0) { + got_one = true; + $$.q.origin_upper_left = 1; + } else if (strcmp($1, "pixel_center_integer") == 0) { + got_one = true; + $$.q.pixel_center_integer = 1; + } + + if (state->ARB_fragment_coord_conventions_warn && got_one) { + _mesa_glsl_warning(& @1, state, + "GL_ARB_fragment_coord_conventions layout " + "identifier `%s' used\n", $1); + } + } + + /* If the identifier didn't match any known layout identifiers, + * emit an error. + */ + if ($$.i == 0) { + _mesa_glsl_error(& @1, state, "unrecognized layout identifier " + "`%s'\n", $1); + YYERROR; + } + } + ; + +interpolation_qualifier: + SMOOTH { $$.i = 0; $$.q.smooth = 1; } + | FLAT { $$.i = 0; $$.q.flat = 1; } + | NOPERSPECTIVE { $$.i = 0; $$.q.noperspective = 1; } + ; + +parameter_type_qualifier: + CONST_TOK { $$.i = 0; $$.q.constant = 1; } + ; + +type_qualifier: + storage_qualifier + | interpolation_qualifier type_qualifier + { + $$.i = $1.i | $2.i; + } + | INVARIANT type_qualifier + { + $$ = $2; + $$.q.invariant = 1; + } + ; + +storage_qualifier: + CONST_TOK { $$.i = 0; $$.q.constant = 1; } + | ATTRIBUTE { $$.i = 0; $$.q.attribute = 1; } + | opt_layout_qualifier VARYING { $$.i = $1.i; $$.q.varying = 1; } + | CENTROID VARYING { $$.i = 0; $$.q.centroid = 1; $$.q.varying = 1; } + | opt_layout_qualifier IN_TOK { $$.i = 0; $$.q.in = 1; } + | OUT_TOK { $$.i = 0; $$.q.out = 1; } + | CENTROID IN_TOK { $$.i = 0; $$.q.centroid = 1; $$.q.in = 1; } + | CENTROID OUT_TOK { $$.i = 0; $$.q.centroid = 1; $$.q.out = 1; } + | UNIFORM { $$.i = 0; $$.q.uniform = 1; } + ; + +type_specifier: + type_specifier_no_prec + | precision_qualifier type_specifier_no_prec + { + $$ = $2; + $$->precision = $1; + } + ; + +type_specifier_no_prec: + type_specifier_nonarray + | type_specifier_nonarray '[' ']' + { + $$ = $1; + $$->is_array = true; + $$->array_size = NULL; + } + | type_specifier_nonarray '[' constant_expression ']' + { + $$ = $1; + $$->is_array = true; + $$->array_size = $3; + } + ; + +type_specifier_nonarray: + basic_type_specifier_nonarray + { + void *ctx = state; + $$ = new(ctx) ast_type_specifier($1); + $$->set_location(yylloc); + } + | struct_specifier + { + void *ctx = state; + $$ = new(ctx) ast_type_specifier($1); + $$->set_location(yylloc); + } + | IDENTIFIER + { + void *ctx = state; + $$ = new(ctx) ast_type_specifier($1); + $$->set_location(yylloc); + } + ; + +basic_type_specifier_nonarray: + VOID_TOK { $$ = ast_void; } + | FLOAT_TOK { $$ = ast_float; } + | INT_TOK { $$ = ast_int; } + | UINT_TOK { $$ = ast_uint; } + | BOOL_TOK { $$ = ast_bool; } + | VEC2 { $$ = ast_vec2; } + | VEC3 { $$ = ast_vec3; } + | VEC4 { $$ = ast_vec4; } + | BVEC2 { $$ = ast_bvec2; } + | BVEC3 { $$ = ast_bvec3; } + | BVEC4 { $$ = ast_bvec4; } + | IVEC2 { $$ = ast_ivec2; } + | IVEC3 { $$ = ast_ivec3; } + | IVEC4 { $$ = ast_ivec4; } + | UVEC2 { $$ = ast_uvec2; } + | UVEC3 { $$ = ast_uvec3; } + | UVEC4 { $$ = ast_uvec4; } + | MAT2X2 { $$ = ast_mat2; } + | MAT2X3 { $$ = ast_mat2x3; } + | MAT2X4 { $$ = ast_mat2x4; } + | MAT3X2 { $$ = ast_mat3x2; } + | MAT3X3 { $$ = ast_mat3; } + | MAT3X4 { $$ = ast_mat3x4; } + | MAT4X2 { $$ = ast_mat4x2; } + | MAT4X3 { $$ = ast_mat4x3; } + | MAT4X4 { $$ = ast_mat4; } + | SAMPLER1D { $$ = ast_sampler1d; } + | SAMPLER2D { $$ = ast_sampler2d; } + | SAMPLER2DRECT { $$ = ast_sampler2drect; } + | SAMPLER3D { $$ = ast_sampler3d; } + | SAMPLERCUBE { $$ = ast_samplercube; } + | SAMPLER1DSHADOW { $$ = ast_sampler1dshadow; } + | SAMPLER2DSHADOW { $$ = ast_sampler2dshadow; } + | SAMPLER2DRECTSHADOW { $$ = ast_sampler2drectshadow; } + | SAMPLERCUBESHADOW { $$ = ast_samplercubeshadow; } + | SAMPLER1DARRAY { $$ = ast_sampler1darray; } + | SAMPLER2DARRAY { $$ = ast_sampler2darray; } + | SAMPLER1DARRAYSHADOW { $$ = ast_sampler1darrayshadow; } + | SAMPLER2DARRAYSHADOW { $$ = ast_sampler2darrayshadow; } + | ISAMPLER1D { $$ = ast_isampler1d; } + | ISAMPLER2D { $$ = ast_isampler2d; } + | ISAMPLER3D { $$ = ast_isampler3d; } + | ISAMPLERCUBE { $$ = ast_isamplercube; } + | ISAMPLER1DARRAY { $$ = ast_isampler1darray; } + | ISAMPLER2DARRAY { $$ = ast_isampler2darray; } + | USAMPLER1D { $$ = ast_usampler1d; } + | USAMPLER2D { $$ = ast_usampler2d; } + | USAMPLER3D { $$ = ast_usampler3d; } + | USAMPLERCUBE { $$ = ast_usamplercube; } + | USAMPLER1DARRAY { $$ = ast_usampler1darray; } + | USAMPLER2DARRAY { $$ = ast_usampler2darray; } + ; + +precision_qualifier: + HIGHP { + if (!state->es_shader && state->language_version < 130) + _mesa_glsl_error(& @1, state, + "precision qualifier forbidden " + "in GLSL %d.%d (1.30 or later " + "required)\n", + state->language_version / 100, + state->language_version % 100); + + $$ = ast_precision_high; + } + | MEDIUMP { + if (!state->es_shader && state->language_version < 130) + _mesa_glsl_error(& @1, state, + "precision qualifier forbidden " + "in GLSL %d.%d (1.30 or later " + "required)\n", + state->language_version / 100, + state->language_version % 100); + + $$ = ast_precision_medium; + } + | LOWP { + if (!state->es_shader && state->language_version < 130) + _mesa_glsl_error(& @1, state, + "precision qualifier forbidden " + "in GLSL %d.%d (1.30 or later " + "required)\n", + state->language_version / 100, + state->language_version % 100); + + $$ = ast_precision_low; + } + ; + +struct_specifier: + STRUCT IDENTIFIER '{' struct_declaration_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_struct_specifier($2, $4); + $$->set_location(yylloc); + } + | STRUCT '{' struct_declaration_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_struct_specifier(NULL, $3); + $$->set_location(yylloc); + } + ; + +struct_declaration_list: + struct_declaration + { + $$ = (ast_node *) $1; + $1->link.self_link(); + } + | struct_declaration_list struct_declaration + { + $$ = (ast_node *) $1; + $$->link.insert_before(& $2->link); + } + ; + +struct_declaration: + type_specifier struct_declarator_list ';' + { + void *ctx = state; + ast_fully_specified_type *type = new(ctx) ast_fully_specified_type(); + type->set_location(yylloc); + + type->specifier = $1; + $$ = new(ctx) ast_declarator_list(type); + $$->set_location(yylloc); + + $$->declarations.push_degenerate_list_at_head(& $2->link); + } + ; + +struct_declarator_list: + struct_declarator + { + $$ = $1; + $1->link.self_link(); + } + | struct_declarator_list ',' struct_declarator + { + $$ = $1; + $$->link.insert_before(& $3->link); + } + ; + +struct_declarator: + IDENTIFIER + { + void *ctx = state; + $$ = new(ctx) ast_declaration($1, false, NULL, NULL); + $$->set_location(yylloc); + } + | IDENTIFIER '[' constant_expression ']' + { + void *ctx = state; + $$ = new(ctx) ast_declaration($1, true, $3, NULL); + $$->set_location(yylloc); + } + ; + +initializer: + assignment_expression + ; + +declaration_statement: + declaration + ; + + // Grammar Note: labeled statements for SWITCH only; 'goto' is not + // supported. +statement: + compound_statement { $$ = (ast_node *) $1; } + | simple_statement + ; + +simple_statement: + declaration_statement + | expression_statement + | selection_statement + | switch_statement { $$ = NULL; } + | case_label { $$ = NULL; } + | iteration_statement + | jump_statement + ; + +compound_statement: + '{' '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(true, NULL); + $$->set_location(yylloc); + } + | '{' statement_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(true, $2); + $$->set_location(yylloc); + } + ; + +statement_no_new_scope: + compound_statement_no_new_scope { $$ = (ast_node *) $1; } + | simple_statement + ; + +compound_statement_no_new_scope: + '{' '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(false, NULL); + $$->set_location(yylloc); + } + | '{' statement_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(false, $2); + $$->set_location(yylloc); + } + ; + +statement_list: + statement + { + if ($1 == NULL) { + _mesa_glsl_error(& @1, state, "<nil> statement\n"); + assert($1 != NULL); + } + + $$ = $1; + $$->link.self_link(); + } + | statement_list statement + { + if ($2 == NULL) { + _mesa_glsl_error(& @2, state, "<nil> statement\n"); + assert($2 != NULL); + } + $$ = $1; + $$->link.insert_before(& $2->link); + } + ; + +expression_statement: + ';' + { + void *ctx = state; + $$ = new(ctx) ast_expression_statement(NULL); + $$->set_location(yylloc); + } + | expression ';' + { + void *ctx = state; + $$ = new(ctx) ast_expression_statement($1); + $$->set_location(yylloc); + } + ; + +selection_statement: + IF '(' expression ')' selection_rest_statement + { + $$ = new(state) ast_selection_statement($3, $5.then_statement, + $5.else_statement); + $$->set_location(yylloc); + } + ; + +selection_rest_statement: + statement ELSE statement + { + $$.then_statement = $1; + $$.else_statement = $3; + } + | statement + { + $$.then_statement = $1; + $$.else_statement = NULL; + } + ; + +condition: + expression + { + $$ = (ast_node *) $1; + } + | fully_specified_type IDENTIFIER '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4); + ast_declarator_list *declarator = new(ctx) ast_declarator_list($1); + decl->set_location(yylloc); + declarator->set_location(yylloc); + + declarator->declarations.push_tail(&decl->link); + $$ = declarator; + } + ; + +switch_statement: + SWITCH '(' expression ')' compound_statement + ; + +case_label: + CASE expression ':' + | DEFAULT ':' + ; + +iteration_statement: + WHILE '(' condition ')' statement_no_new_scope + { + void *ctx = state; + $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while, + NULL, $3, NULL, $5); + $$->set_location(yylloc); + } + | DO statement WHILE '(' expression ')' ';' + { + void *ctx = state; + $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while, + NULL, $5, NULL, $2); + $$->set_location(yylloc); + } + | FOR '(' for_init_statement for_rest_statement ')' statement_no_new_scope + { + void *ctx = state; + $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for, + $3, $4.cond, $4.rest, $6); + $$->set_location(yylloc); + } + ; + +for_init_statement: + expression_statement + | declaration_statement + ; + +conditionopt: + condition + | /* empty */ + { + $$ = NULL; + } + ; + +for_rest_statement: + conditionopt ';' + { + $$.cond = $1; + $$.rest = NULL; + } + | conditionopt ';' expression + { + $$.cond = $1; + $$.rest = $3; + } + ; + + // Grammar Note: No 'goto'. Gotos are not supported. +jump_statement: + CONTINUE ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL); + $$->set_location(yylloc); + } + | BREAK ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL); + $$->set_location(yylloc); + } + | RETURN ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL); + $$->set_location(yylloc); + } + | RETURN expression ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, $2); + $$->set_location(yylloc); + } + | DISCARD ';' // Fragment shader only. + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL); + $$->set_location(yylloc); + } + ; + +external_declaration: + function_definition { $$ = $1; } + | declaration { $$ = $1; } + | pragma_statement { $$ = NULL; } + ; + +function_definition: + function_prototype compound_statement_no_new_scope + { + void *ctx = state; + $$ = new(ctx) ast_function_definition(); + $$->set_location(yylloc); + $$->prototype = $1; + $$->body = $2; + } + ; diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp new file mode 100644 index 000000000..33ea664bc --- /dev/null +++ b/mesalib/src/glsl/glsl_parser_extras.cpp @@ -0,0 +1,762 @@ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <stdio.h> +#include <stdarg.h> +#include <string.h> +#include <assert.h> + +extern "C" { +#include <talloc.h> +#include "main/core.h" /* for struct __GLcontextRec */ +} + +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" +#include "ir_optimization.h" +#include "loop_analysis.h" + +_mesa_glsl_parse_state::_mesa_glsl_parse_state(struct __GLcontextRec *ctx, + GLenum target, void *mem_ctx) +{ + switch (target) { + case GL_VERTEX_SHADER: this->target = vertex_shader; break; + case GL_FRAGMENT_SHADER: this->target = fragment_shader; break; + case GL_GEOMETRY_SHADER: this->target = geometry_shader; break; + } + + this->scanner = NULL; + this->translation_unit.make_empty(); + this->symbols = new(mem_ctx) glsl_symbol_table; + this->info_log = talloc_strdup(mem_ctx, ""); + this->error = false; + this->loop_or_switch_nesting = NULL; + + /* Set default language version and extensions */ + this->language_version = 110; + this->es_shader = false; + this->ARB_texture_rectangle_enable = true; + + /* OpenGL ES 2.0 has different defaults from desktop GL. */ + if (ctx->API == API_OPENGLES2) { + this->language_version = 100; + this->es_shader = true; + this->ARB_texture_rectangle_enable = false; + } + + this->extensions = &ctx->Extensions; + + this->Const.MaxLights = ctx->Const.MaxLights; + this->Const.MaxClipPlanes = ctx->Const.MaxClipPlanes; + this->Const.MaxTextureUnits = ctx->Const.MaxTextureUnits; + this->Const.MaxTextureCoords = ctx->Const.MaxTextureCoordUnits; + this->Const.MaxVertexAttribs = ctx->Const.VertexProgram.MaxAttribs; + this->Const.MaxVertexUniformComponents = ctx->Const.VertexProgram.MaxUniformComponents; + this->Const.MaxVaryingFloats = ctx->Const.MaxVarying * 4; + this->Const.MaxVertexTextureImageUnits = ctx->Const.MaxVertexTextureImageUnits; + this->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxCombinedTextureImageUnits; + this->Const.MaxTextureImageUnits = ctx->Const.MaxTextureImageUnits; + this->Const.MaxFragmentUniformComponents = ctx->Const.FragmentProgram.MaxUniformComponents; + + this->Const.MaxDrawBuffers = ctx->Const.MaxDrawBuffers; +} + +const char * +_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target) +{ + switch (target) { + case vertex_shader: return "vertex"; + case fragment_shader: return "fragment"; + case geometry_shader: return "geometry"; + case ir_shader: break; + } + + assert(!"Should not get here."); + return "unknown"; +} + + +void +_mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state, + const char *fmt, ...) +{ + va_list ap; + + state->error = true; + + assert(state->info_log != NULL); + state->info_log = talloc_asprintf_append(state->info_log, + "%u:%u(%u): error: ", + locp->source, + locp->first_line, + locp->first_column); + va_start(ap, fmt); + state->info_log = talloc_vasprintf_append(state->info_log, fmt, ap); + va_end(ap); + state->info_log = talloc_strdup_append(state->info_log, "\n"); +} + + +void +_mesa_glsl_warning(const YYLTYPE *locp, _mesa_glsl_parse_state *state, + const char *fmt, ...) +{ + va_list ap; + + assert(state->info_log != NULL); + state->info_log = talloc_asprintf_append(state->info_log, + "%u:%u(%u): warning: ", + locp->source, + locp->first_line, + locp->first_column); + va_start(ap, fmt); + state->info_log = talloc_vasprintf_append(state->info_log, fmt, ap); + va_end(ap); + state->info_log = talloc_strdup_append(state->info_log, "\n"); +} + + +bool +_mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, + const char *behavior, YYLTYPE *behavior_locp, + _mesa_glsl_parse_state *state) +{ + enum { + extension_disable, + extension_enable, + extension_require, + extension_warn + } ext_mode; + + if (strcmp(behavior, "warn") == 0) { + ext_mode = extension_warn; + } else if (strcmp(behavior, "require") == 0) { + ext_mode = extension_require; + } else if (strcmp(behavior, "enable") == 0) { + ext_mode = extension_enable; + } else if (strcmp(behavior, "disable") == 0) { + ext_mode = extension_disable; + } else { + _mesa_glsl_error(behavior_locp, state, + "Unknown extension behavior `%s'", + behavior); + return false; + } + + bool unsupported = false; + + if (strcmp(name, "all") == 0) { + if ((ext_mode == extension_enable) || (ext_mode == extension_require)) { + _mesa_glsl_error(name_locp, state, "Cannot %s all extensions", + (ext_mode == extension_enable) + ? "enable" : "require"); + return false; + } + } else if (strcmp(name, "GL_ARB_draw_buffers") == 0) { + /* This extension is only supported in fragment shaders. + */ + if (state->target != fragment_shader) { + unsupported = true; + } else { + state->ARB_draw_buffers_enable = (ext_mode != extension_disable); + state->ARB_draw_buffers_warn = (ext_mode == extension_warn); + } + } else if (strcmp(name, "GL_ARB_fragment_coord_conventions") == 0) { + state->ARB_fragment_coord_conventions_enable = + (ext_mode != extension_disable); + state->ARB_fragment_coord_conventions_warn = + (ext_mode == extension_warn); + + unsupported = !state->extensions->ARB_fragment_coord_conventions; + } else if (strcmp(name, "GL_ARB_texture_rectangle") == 0) { + state->ARB_texture_rectangle_enable = (ext_mode != extension_disable); + state->ARB_texture_rectangle_warn = (ext_mode == extension_warn); + } else if (strcmp(name, "GL_EXT_texture_array") == 0) { + state->EXT_texture_array_enable = (ext_mode != extension_disable); + state->EXT_texture_array_warn = (ext_mode == extension_warn); + + unsupported = !state->extensions->EXT_texture_array; + } else { + unsupported = true; + } + + if (unsupported) { + static const char *const fmt = "extension `%s' unsupported in %s shader"; + + if (ext_mode == extension_require) { + _mesa_glsl_error(name_locp, state, fmt, + name, _mesa_glsl_shader_target_name(state->target)); + return false; + } else { + _mesa_glsl_warning(name_locp, state, fmt, + name, _mesa_glsl_shader_target_name(state->target)); + } + } + + return true; +} + +void +_mesa_ast_type_qualifier_print(const struct ast_type_qualifier *q) +{ + if (q->constant) + printf("const "); + + if (q->invariant) + printf("invariant "); + + if (q->attribute) + printf("attribute "); + + if (q->varying) + printf("varying "); + + if (q->in && q->out) + printf("inout "); + else { + if (q->in) + printf("in "); + + if (q->out) + printf("out "); + } + + if (q->centroid) + printf("centroid "); + if (q->uniform) + printf("uniform "); + if (q->smooth) + printf("smooth "); + if (q->flat) + printf("flat "); + if (q->noperspective) + printf("noperspective "); +} + + +void +ast_node::print(void) const +{ + printf("unhandled node "); +} + + +ast_node::ast_node(void) +{ + this->location.source = 0; + this->location.line = 0; + this->location.column = 0; +} + + +static void +ast_opt_array_size_print(bool is_array, const ast_expression *array_size) +{ + if (is_array) { + printf("[ "); + + if (array_size) + array_size->print(); + + printf("] "); + } +} + + +void +ast_compound_statement::print(void) const +{ + printf("{\n"); + + foreach_list_const(n, &this->statements) { + ast_node *ast = exec_node_data(ast_node, n, link); + ast->print(); + } + + printf("}\n"); +} + + +ast_compound_statement::ast_compound_statement(int new_scope, + ast_node *statements) +{ + this->new_scope = new_scope; + + if (statements != NULL) { + this->statements.push_degenerate_list_at_head(&statements->link); + } +} + + +void +ast_expression::print(void) const +{ + switch (oper) { + case ast_assign: + case ast_mul_assign: + case ast_div_assign: + case ast_mod_assign: + case ast_add_assign: + case ast_sub_assign: + case ast_ls_assign: + case ast_rs_assign: + case ast_and_assign: + case ast_xor_assign: + case ast_or_assign: + subexpressions[0]->print(); + printf("%s ", operator_string(oper)); + subexpressions[1]->print(); + break; + + case ast_field_selection: + subexpressions[0]->print(); + printf(". %s ", primary_expression.identifier); + break; + + case ast_plus: + case ast_neg: + case ast_bit_not: + case ast_logic_not: + case ast_pre_inc: + case ast_pre_dec: + printf("%s ", operator_string(oper)); + subexpressions[0]->print(); + break; + + case ast_post_inc: + case ast_post_dec: + subexpressions[0]->print(); + printf("%s ", operator_string(oper)); + break; + + case ast_conditional: + subexpressions[0]->print(); + printf("? "); + subexpressions[1]->print(); + printf(": "); + subexpressions[1]->print(); + break; + + case ast_array_index: + subexpressions[0]->print(); + printf("[ "); + subexpressions[1]->print(); + printf("] "); + break; + + case ast_function_call: { + subexpressions[0]->print(); + printf("( "); + + foreach_list_const (n, &this->expressions) { + if (n != this->expressions.get_head()) + printf(", "); + + ast_node *ast = exec_node_data(ast_node, n, link); + ast->print(); + } + + printf(") "); + break; + } + + case ast_identifier: + printf("%s ", primary_expression.identifier); + break; + + case ast_int_constant: + printf("%d ", primary_expression.int_constant); + break; + + case ast_uint_constant: + printf("%u ", primary_expression.uint_constant); + break; + + case ast_float_constant: + printf("%f ", primary_expression.float_constant); + break; + + case ast_bool_constant: + printf("%s ", + primary_expression.bool_constant + ? "true" : "false"); + break; + + case ast_sequence: { + printf("( "); + foreach_list_const(n, & this->expressions) { + if (n != this->expressions.get_head()) + printf(", "); + + ast_node *ast = exec_node_data(ast_node, n, link); + ast->print(); + } + printf(") "); + break; + } + + default: + assert(0); + break; + } +} + +ast_expression::ast_expression(int oper, + ast_expression *ex0, + ast_expression *ex1, + ast_expression *ex2) +{ + this->oper = ast_operators(oper); + this->subexpressions[0] = ex0; + this->subexpressions[1] = ex1; + this->subexpressions[2] = ex2; +} + + +void +ast_expression_statement::print(void) const +{ + if (expression) + expression->print(); + + printf("; "); +} + + +ast_expression_statement::ast_expression_statement(ast_expression *ex) : + expression(ex) +{ + /* empty */ +} + + +void +ast_function::print(void) const +{ + return_type->print(); + printf(" %s (", identifier); + + foreach_list_const(n, & this->parameters) { + ast_node *ast = exec_node_data(ast_node, n, link); + ast->print(); + } + + printf(")"); +} + + +ast_function::ast_function(void) + : is_definition(false), signature(NULL) +{ + /* empty */ +} + + +void +ast_fully_specified_type::print(void) const +{ + _mesa_ast_type_qualifier_print(& qualifier); + specifier->print(); +} + + +void +ast_parameter_declarator::print(void) const +{ + type->print(); + if (identifier) + printf("%s ", identifier); + ast_opt_array_size_print(is_array, array_size); +} + + +void +ast_function_definition::print(void) const +{ + prototype->print(); + body->print(); +} + + +void +ast_declaration::print(void) const +{ + printf("%s ", identifier); + ast_opt_array_size_print(is_array, array_size); + + if (initializer) { + printf("= "); + initializer->print(); + } +} + + +ast_declaration::ast_declaration(char *identifier, int is_array, + ast_expression *array_size, + ast_expression *initializer) +{ + this->identifier = identifier; + this->is_array = is_array; + this->array_size = array_size; + this->initializer = initializer; +} + + +void +ast_declarator_list::print(void) const +{ + assert(type || invariant); + + if (type) + type->print(); + else + printf("invariant "); + + foreach_list_const (ptr, & this->declarations) { + if (ptr != this->declarations.get_head()) + printf(", "); + + ast_node *ast = exec_node_data(ast_node, ptr, link); + ast->print(); + } + + printf("; "); +} + + +ast_declarator_list::ast_declarator_list(ast_fully_specified_type *type) +{ + this->type = type; + this->invariant = false; +} + +void +ast_jump_statement::print(void) const +{ + switch (mode) { + case ast_continue: + printf("continue; "); + break; + case ast_break: + printf("break; "); + break; + case ast_return: + printf("return "); + if (opt_return_value) + opt_return_value->print(); + + printf("; "); + break; + case ast_discard: + printf("discard; "); + break; + } +} + + +ast_jump_statement::ast_jump_statement(int mode, ast_expression *return_value) +{ + this->mode = ast_jump_modes(mode); + + if (mode == ast_return) + opt_return_value = return_value; +} + + +void +ast_selection_statement::print(void) const +{ + printf("if ( "); + condition->print(); + printf(") "); + + then_statement->print(); + + if (else_statement) { + printf("else "); + else_statement->print(); + } + +} + + +ast_selection_statement::ast_selection_statement(ast_expression *condition, + ast_node *then_statement, + ast_node *else_statement) +{ + this->condition = condition; + this->then_statement = then_statement; + this->else_statement = else_statement; +} + + +void +ast_iteration_statement::print(void) const +{ + switch (mode) { + case ast_for: + printf("for( "); + if (init_statement) + init_statement->print(); + printf("; "); + + if (condition) + condition->print(); + printf("; "); + + if (rest_expression) + rest_expression->print(); + printf(") "); + + body->print(); + break; + + case ast_while: + printf("while ( "); + if (condition) + condition->print(); + printf(") "); + body->print(); + break; + + case ast_do_while: + printf("do "); + body->print(); + printf("while ( "); + if (condition) + condition->print(); + printf("); "); + break; + } +} + + +ast_iteration_statement::ast_iteration_statement(int mode, + ast_node *init, + ast_node *condition, + ast_expression *rest_expression, + ast_node *body) +{ + this->mode = ast_iteration_modes(mode); + this->init_statement = init; + this->condition = condition; + this->rest_expression = rest_expression; + this->body = body; +} + + +void +ast_struct_specifier::print(void) const +{ + printf("struct %s { ", name); + foreach_list_const(n, &this->declarations) { + ast_node *ast = exec_node_data(ast_node, n, link); + ast->print(); + } + printf("} "); +} + + +ast_struct_specifier::ast_struct_specifier(char *identifier, + ast_node *declarator_list) +{ + if (identifier == NULL) { + static unsigned anon_count = 1; + identifier = talloc_asprintf(this, "#anon_struct_%04x", anon_count); + anon_count++; + } + name = identifier; + this->declarations.push_degenerate_list_at_head(&declarator_list->link); +} + +bool +do_common_optimization(exec_list *ir, bool linked, unsigned max_unroll_iterations) +{ + GLboolean progress = GL_FALSE; + + progress = do_sub_to_add_neg(ir) || progress; + + if (linked) { + progress = do_function_inlining(ir) || progress; + progress = do_dead_functions(ir) || progress; + } + progress = do_structure_splitting(ir) || progress; + progress = do_if_simplification(ir) || progress; + progress = do_copy_propagation(ir) || progress; + if (linked) + progress = do_dead_code(ir) || progress; + else + progress = do_dead_code_unlinked(ir) || progress; + progress = do_dead_code_local(ir) || progress; + progress = do_tree_grafting(ir) || progress; + progress = do_constant_propagation(ir) || progress; + if (linked) + progress = do_constant_variable(ir) || progress; + else + progress = do_constant_variable_unlinked(ir) || progress; + progress = do_constant_folding(ir) || progress; + progress = do_algebraic(ir) || progress; + progress = do_lower_jumps(ir) || progress; + progress = do_vec_index_to_swizzle(ir) || progress; + progress = do_swizzle_swizzle(ir) || progress; + progress = do_noop_swizzle(ir) || progress; + + progress = optimize_redundant_jumps(ir) || progress; + + loop_state *ls = analyze_loop_variables(ir); + progress = set_loop_controls(ir, ls) || progress; + progress = unroll_loops(ir, ls, max_unroll_iterations) || progress; + delete ls; + + return progress; +} + +extern "C" { + +/** + * To be called at GL teardown time, this frees compiler datastructures. + * + * After calling this, any previously compiled shaders and shader + * programs would be invalid. So this should happen at approximately + * program exit. + */ +void +_mesa_destroy_shader_compiler(void) +{ + _mesa_destroy_shader_compiler_caches(); + + _mesa_glsl_release_types(); +} + +/** + * Releases compiler caches to trade off performance for memory. + * + * Intended to be used with glReleaseShaderCompiler(). + */ +void +_mesa_destroy_shader_compiler_caches(void) +{ + _mesa_glsl_release_functions(); +} + +} diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h new file mode 100644 index 000000000..ddc2138b7 --- /dev/null +++ b/mesalib/src/glsl/glsl_parser_extras.h @@ -0,0 +1,236 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef GLSL_PARSER_EXTRAS_H +#define GLSL_PARSER_EXTRAS_H + +/* + * Most of the definitions here only apply to C++ + */ +#ifdef __cplusplus + + +#include <cstdlib> +#include "glsl_symbol_table.h" + +enum _mesa_glsl_parser_targets { + vertex_shader, + geometry_shader, + fragment_shader, + ir_shader +}; + +struct __GLcontextRec; + +struct _mesa_glsl_parse_state { + _mesa_glsl_parse_state(struct __GLcontextRec *ctx, GLenum target, + void *mem_ctx); + + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *mem = talloc_zero_size(ctx, size); + assert(mem != NULL); + + return mem; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *mem) + { + talloc_free(mem); + } + + void *scanner; + exec_list translation_unit; + glsl_symbol_table *symbols; + + bool es_shader; + unsigned language_version; + enum _mesa_glsl_parser_targets target; + + /** + * Implementation defined limits that affect built-in variables, etc. + * + * \sa struct gl_constants (in mtypes.h) + */ + struct { + /* 1.10 */ + unsigned MaxLights; + unsigned MaxClipPlanes; + unsigned MaxTextureUnits; + unsigned MaxTextureCoords; + unsigned MaxVertexAttribs; + unsigned MaxVertexUniformComponents; + unsigned MaxVaryingFloats; + unsigned MaxVertexTextureImageUnits; + unsigned MaxCombinedTextureImageUnits; + unsigned MaxTextureImageUnits; + unsigned MaxFragmentUniformComponents; + + /* ARB_draw_buffers */ + unsigned MaxDrawBuffers; + } Const; + + /** + * During AST to IR conversion, pointer to current IR function + * + * Will be \c NULL whenever the AST to IR conversion is not inside a + * function definition. + */ + class ir_function_signature *current_function; + + /** Have we found a return statement in this function? */ + bool found_return; + + /** Was there an error during compilation? */ + bool error; + + /** Loop or switch statement containing the current instructions. */ + class ir_instruction *loop_or_switch_nesting; + class ast_iteration_statement *loop_or_switch_nesting_ast; + + /** List of structures defined in user code. */ + const glsl_type **user_structures; + unsigned num_user_structures; + + char *info_log; + + /** + * \name Enable bits for GLSL extensions + */ + /*@{*/ + unsigned ARB_draw_buffers_enable:1; + unsigned ARB_draw_buffers_warn:1; + unsigned ARB_fragment_coord_conventions_enable:1; + unsigned ARB_fragment_coord_conventions_warn:1; + unsigned ARB_texture_rectangle_enable:1; + unsigned ARB_texture_rectangle_warn:1; + unsigned EXT_texture_array_enable:1; + unsigned EXT_texture_array_warn:1; + /*@}*/ + + /** Extensions supported by the OpenGL implementation. */ + const struct gl_extensions *extensions; + + /** Shaders containing built-in functions that are used for linking. */ + struct gl_shader *builtins_to_link[16]; + unsigned num_builtins_to_link; +}; + +typedef struct YYLTYPE { + int first_line; + int first_column; + int last_line; + int last_column; + unsigned source; +} YYLTYPE; +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 + +# define YYLLOC_DEFAULT(Current, Rhs, N) \ +do { \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC(Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC(Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC(Rhs, 0).last_column; \ + } \ + (Current).source = 0; \ +} while (0) + +extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state, + const char *fmt, ...); + +/** + * Emit a warning to the shader log + * + * \sa _mesa_glsl_error + */ +extern void _mesa_glsl_warning(const YYLTYPE *locp, + _mesa_glsl_parse_state *state, + const char *fmt, ...); + +extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, + const char *string); + +extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state); + +union YYSTYPE; +extern int _mesa_glsl_lex(union YYSTYPE *yylval, YYLTYPE *yylloc, + void *scanner); + +extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state *); + +/** + * Process elements of the #extension directive + * + * \return + * If \c name and \c behavior are valid, \c true is returned. Otherwise + * \c false is returned. + */ +extern bool _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, + const char *behavior, + YYLTYPE *behavior_locp, + _mesa_glsl_parse_state *state); + +/** + * Get the textual name of the specified shader target + */ +extern const char * +_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target); + + +#endif /* __cplusplus */ + + +/* + * These definitions apply to C and C++ + */ +#ifdef __cplusplus +extern "C" { +#endif + +extern int preprocess(void *ctx, const char **shader, char **info_log, + const struct gl_extensions *extensions, int api); + +extern void _mesa_destroy_shader_compiler(); +extern void _mesa_destroy_shader_compiler_caches(); + +#ifdef __cplusplus +} +#endif + + +#endif /* GLSL_PARSER_EXTRAS_H */ diff --git a/mesalib/src/glsl/glsl_symbol_table.cpp b/mesalib/src/glsl/glsl_symbol_table.cpp new file mode 100644 index 000000000..e9bf89b95 --- /dev/null +++ b/mesalib/src/glsl/glsl_symbol_table.cpp @@ -0,0 +1,160 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "glsl_symbol_table.h" + +class symbol_table_entry { +public: + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *entry = talloc_size(ctx, size); + assert(entry != NULL); + return entry; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. Here, C++ will have already called the + * destructor so tell talloc not to do that again. */ + static void operator delete(void *table) + { + talloc_set_destructor(table, NULL); + talloc_free(table); + } + + symbol_table_entry(ir_variable *v) : v(v), f(0), t(0) {} + symbol_table_entry(ir_function *f) : v(0), f(f), t(0) {} + symbol_table_entry(const glsl_type *t) : v(0), f(0), t(t) {} + + ir_variable *v; + ir_function *f; + const glsl_type *t; +}; + +glsl_symbol_table::glsl_symbol_table() +{ + this->language_version = 120; + this->table = _mesa_symbol_table_ctor(); + this->mem_ctx = talloc_init("symbol table entries"); +} + +glsl_symbol_table::~glsl_symbol_table() +{ + _mesa_symbol_table_dtor(table); + talloc_free(mem_ctx); +} + +void glsl_symbol_table::push_scope() +{ + _mesa_symbol_table_push_scope(table); +} + +void glsl_symbol_table::pop_scope() +{ + _mesa_symbol_table_pop_scope(table); +} + +bool glsl_symbol_table::name_declared_this_scope(const char *name) +{ + return _mesa_symbol_table_symbol_scope(table, -1, name) == 0; +} + +bool glsl_symbol_table::add_variable(const char *name, ir_variable *v) +{ + if (this->language_version == 110) { + /* In 1.10, functions and variables have separate namespaces. */ + symbol_table_entry *existing = get_entry(name); + if (name_declared_this_scope(name)) { + /* If there's already an existing function (not a constructor!) in + * the current scope, just update the existing entry to include 'v'. + */ + if (existing->v == NULL && existing->t == NULL) { + existing->v = v; + return true; + } + } else { + /* If not declared at this scope, add a new entry. But if an existing + * entry includes a function, propagate that to this block - otherwise + * the new variable declaration would shadow the function. + */ + symbol_table_entry *entry = new(mem_ctx) symbol_table_entry(v); + if (existing != NULL) + entry->f = existing->f; + int added = _mesa_symbol_table_add_symbol(table, -1, name, entry); + assert(added == 0); + (void)added; + return true; + } + return false; + } + + /* 1.20+ rules: */ + symbol_table_entry *entry = new(mem_ctx) symbol_table_entry(v); + return _mesa_symbol_table_add_symbol(table, -1, name, entry) == 0; +} + +bool glsl_symbol_table::add_type(const char *name, const glsl_type *t) +{ + symbol_table_entry *entry = new(mem_ctx) symbol_table_entry(t); + return _mesa_symbol_table_add_symbol(table, -1, name, entry) == 0; +} + +bool glsl_symbol_table::add_function(const char *name, ir_function *f) +{ + if (this->language_version == 110 && name_declared_this_scope(name)) { + /* In 1.10, functions and variables have separate namespaces. */ + symbol_table_entry *existing = get_entry(name); + if ((existing->f == NULL) && (existing->t == NULL)) { + existing->f = f; + return true; + } + } + symbol_table_entry *entry = new(mem_ctx) symbol_table_entry(f); + return _mesa_symbol_table_add_symbol(table, -1, name, entry) == 0; +} + +ir_variable *glsl_symbol_table::get_variable(const char *name) +{ + symbol_table_entry *entry = get_entry(name); + return entry != NULL ? entry->v : NULL; +} + +const glsl_type *glsl_symbol_table::get_type(const char *name) +{ + symbol_table_entry *entry = get_entry(name); + return entry != NULL ? entry->t : NULL; +} + +ir_function *glsl_symbol_table::get_function(const char *name) +{ + symbol_table_entry *entry = get_entry(name); + return entry != NULL ? entry->f : NULL; +} + +symbol_table_entry *glsl_symbol_table::get_entry(const char *name) +{ + return (symbol_table_entry *) + _mesa_symbol_table_find_symbol(table, -1, name); +} diff --git a/mesalib/src/glsl/glsl_symbol_table.h b/mesalib/src/glsl/glsl_symbol_table.h new file mode 100644 index 000000000..f26de5243 --- /dev/null +++ b/mesalib/src/glsl/glsl_symbol_table.h @@ -0,0 +1,121 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef GLSL_SYMBOL_TABLE +#define GLSL_SYMBOL_TABLE + +#include <new> + +extern "C" { +#include "program/symbol_table.h" +} +#include "ir.h" +#include "glsl_types.h" + +class symbol_table_entry; + +/** + * Facade class for _mesa_symbol_table + * + * Wraps the existing \c _mesa_symbol_table data structure to enforce some + * type safe and some symbol table invariants. + */ +struct glsl_symbol_table { +private: + static int + _glsl_symbol_table_destructor (glsl_symbol_table *table) + { + table->~glsl_symbol_table(); + + return 0; + } + +public: + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *table; + + table = talloc_size(ctx, size); + assert(table != NULL); + + talloc_set_destructor(table, (int (*)(void*)) _glsl_symbol_table_destructor); + + return table; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. Here, C++ will have already called the + * destructor so tell talloc not to do that again. */ + static void operator delete(void *table) + { + talloc_set_destructor(table, NULL); + talloc_free(table); + } + + glsl_symbol_table(); + ~glsl_symbol_table(); + + unsigned int language_version; + + void push_scope(); + void pop_scope(); + + /** + * Determine whether a name was declared at the current scope + */ + bool name_declared_this_scope(const char *name); + + /** + * \name Methods to add symbols to the table + * + * There is some temptation to rename all these functions to \c add_symbol + * or similar. However, this breaks symmetry with the getter functions and + * reduces the clarity of the intention of code that uses these methods. + */ + /*@{*/ + bool add_variable(const char *name, ir_variable *v); + bool add_type(const char *name, const glsl_type *t); + bool add_function(const char *name, ir_function *f); + /*@}*/ + + /** + * \name Methods to get symbols from the table + */ + /*@{*/ + ir_variable *get_variable(const char *name); + const glsl_type *get_type(const char *name); + ir_function *get_function(const char *name); + /*@}*/ + +private: + symbol_table_entry *get_entry(const char *name); + + struct _mesa_symbol_table *table; + void *mem_ctx; +}; + +#endif /* GLSL_SYMBOL_TABLE */ diff --git a/mesalib/src/glsl/glsl_types.cpp b/mesalib/src/glsl/glsl_types.cpp new file mode 100644 index 000000000..82eb47060 --- /dev/null +++ b/mesalib/src/glsl/glsl_types.cpp @@ -0,0 +1,497 @@ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <cstdio> +#include <stdlib.h> +#include "main/core.h" /* for Elements */ +#include "glsl_symbol_table.h" +#include "glsl_parser_extras.h" +#include "glsl_types.h" +#include "builtin_types.h" +extern "C" { +#include "program/hash_table.h" +} + +hash_table *glsl_type::array_types = NULL; +hash_table *glsl_type::record_types = NULL; +void *glsl_type::mem_ctx = NULL; + +void +glsl_type::init_talloc_type_ctx(void) +{ + if (glsl_type::mem_ctx == NULL) { + glsl_type::mem_ctx = talloc_autofree_context(); + assert(glsl_type::mem_ctx != NULL); + } +} + +glsl_type::glsl_type(GLenum gl_type, + unsigned base_type, unsigned vector_elements, + unsigned matrix_columns, const char *name) : + gl_type(gl_type), + base_type(base_type), + sampler_dimensionality(0), sampler_shadow(0), sampler_array(0), + sampler_type(0), + vector_elements(vector_elements), matrix_columns(matrix_columns), + length(0) +{ + init_talloc_type_ctx(); + this->name = talloc_strdup(this->mem_ctx, name); + /* Neither dimension is zero or both dimensions are zero. + */ + assert((vector_elements == 0) == (matrix_columns == 0)); + memset(& fields, 0, sizeof(fields)); +} + +glsl_type::glsl_type(GLenum gl_type, + enum glsl_sampler_dim dim, bool shadow, bool array, + unsigned type, const char *name) : + gl_type(gl_type), + base_type(GLSL_TYPE_SAMPLER), + sampler_dimensionality(dim), sampler_shadow(shadow), + sampler_array(array), sampler_type(type), + vector_elements(0), matrix_columns(0), + length(0) +{ + init_talloc_type_ctx(); + this->name = talloc_strdup(this->mem_ctx, name); + memset(& fields, 0, sizeof(fields)); +} + +glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields, + const char *name) : + base_type(GLSL_TYPE_STRUCT), + sampler_dimensionality(0), sampler_shadow(0), sampler_array(0), + sampler_type(0), + vector_elements(0), matrix_columns(0), + length(num_fields) +{ + unsigned int i; + + init_talloc_type_ctx(); + this->name = talloc_strdup(this->mem_ctx, name); + this->fields.structure = talloc_array(this->mem_ctx, + glsl_struct_field, length); + for (i = 0; i < length; i++) { + this->fields.structure[i].type = fields[i].type; + this->fields.structure[i].name = talloc_strdup(this->fields.structure, + fields[i].name); + } +} + +static void +add_types_to_symbol_table(glsl_symbol_table *symtab, + const struct glsl_type *types, + unsigned num_types, bool warn) +{ + (void) warn; + + for (unsigned i = 0; i < num_types; i++) { + symtab->add_type(types[i].name, & types[i]); + } +} + +void +glsl_type::generate_100ES_types(glsl_symbol_table *symtab) +{ + add_types_to_symbol_table(symtab, builtin_core_types, + Elements(builtin_core_types), + false); + add_types_to_symbol_table(symtab, builtin_structure_types, + Elements(builtin_structure_types), + false); + add_types_to_symbol_table(symtab, &void_type, 1, false); +} + +void +glsl_type::generate_110_types(glsl_symbol_table *symtab) +{ + generate_100ES_types(symtab); + + add_types_to_symbol_table(symtab, builtin_110_types, + Elements(builtin_110_types), + false); + add_types_to_symbol_table(symtab, builtin_110_deprecated_structure_types, + Elements(builtin_110_deprecated_structure_types), + false); +} + + +void +glsl_type::generate_120_types(glsl_symbol_table *symtab) +{ + generate_110_types(symtab); + + add_types_to_symbol_table(symtab, builtin_120_types, + Elements(builtin_120_types), false); +} + + +void +glsl_type::generate_130_types(glsl_symbol_table *symtab) +{ + generate_120_types(symtab); + + add_types_to_symbol_table(symtab, builtin_130_types, + Elements(builtin_130_types), false); + generate_EXT_texture_array_types(symtab, false); +} + + +void +glsl_type::generate_ARB_texture_rectangle_types(glsl_symbol_table *symtab, + bool warn) +{ + add_types_to_symbol_table(symtab, builtin_ARB_texture_rectangle_types, + Elements(builtin_ARB_texture_rectangle_types), + warn); +} + + +void +glsl_type::generate_EXT_texture_array_types(glsl_symbol_table *symtab, + bool warn) +{ + add_types_to_symbol_table(symtab, builtin_EXT_texture_array_types, + Elements(builtin_EXT_texture_array_types), + warn); +} + + +void +_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state) +{ + switch (state->language_version) { + case 100: + assert(state->es_shader); + glsl_type::generate_100ES_types(state->symbols); + break; + case 110: + glsl_type::generate_110_types(state->symbols); + break; + case 120: + glsl_type::generate_120_types(state->symbols); + break; + case 130: + glsl_type::generate_130_types(state->symbols); + break; + default: + /* error */ + break; + } + + if (state->ARB_texture_rectangle_enable) { + glsl_type::generate_ARB_texture_rectangle_types(state->symbols, + state->ARB_texture_rectangle_warn); + } + + if (state->EXT_texture_array_enable && state->language_version < 130) { + // These are already included in 130; don't create twice. + glsl_type::generate_EXT_texture_array_types(state->symbols, + state->EXT_texture_array_warn); + } +} + + +const glsl_type *glsl_type::get_base_type() const +{ + switch (base_type) { + case GLSL_TYPE_UINT: + return uint_type; + case GLSL_TYPE_INT: + return int_type; + case GLSL_TYPE_FLOAT: + return float_type; + case GLSL_TYPE_BOOL: + return bool_type; + default: + return error_type; + } +} + + +void +_mesa_glsl_release_types(void) +{ + if (glsl_type::array_types != NULL) { + hash_table_dtor(glsl_type::array_types); + glsl_type::array_types = NULL; + } + + if (glsl_type::record_types != NULL) { + hash_table_dtor(glsl_type::record_types); + glsl_type::record_types = NULL; + } +} + + +glsl_type::glsl_type(const glsl_type *array, unsigned length) : + base_type(GLSL_TYPE_ARRAY), + sampler_dimensionality(0), sampler_shadow(0), sampler_array(0), + sampler_type(0), + vector_elements(0), matrix_columns(0), + name(NULL), length(length) +{ + this->fields.array = array; + /* Inherit the gl type of the base. The GL type is used for + * uniform/statevar handling in Mesa and the arrayness of the type + * is represented by the size rather than the type. + */ + this->gl_type = array->gl_type; + + /* Allow a maximum of 10 characters for the array size. This is enough + * for 32-bits of ~0. The extra 3 are for the '[', ']', and terminating + * NUL. + */ + const unsigned name_length = strlen(array->name) + 10 + 3; + char *const n = (char *) talloc_size(this->mem_ctx, name_length); + + if (length == 0) + snprintf(n, name_length, "%s[]", array->name); + else + snprintf(n, name_length, "%s[%u]", array->name, length); + + this->name = n; +} + + +const glsl_type * +glsl_type::get_instance(unsigned base_type, unsigned rows, unsigned columns) +{ + if (base_type == GLSL_TYPE_VOID) + return &void_type; + + if ((rows < 1) || (rows > 4) || (columns < 1) || (columns > 4)) + return error_type; + + /* Treat GLSL vectors as Nx1 matrices. + */ + if (columns == 1) { + switch (base_type) { + case GLSL_TYPE_UINT: + return uint_type + (rows - 1); + case GLSL_TYPE_INT: + return int_type + (rows - 1); + case GLSL_TYPE_FLOAT: + return float_type + (rows - 1); + case GLSL_TYPE_BOOL: + return bool_type + (rows - 1); + default: + return error_type; + } + } else { + if ((base_type != GLSL_TYPE_FLOAT) || (rows == 1)) + return error_type; + + /* GLSL matrix types are named mat{COLUMNS}x{ROWS}. Only the following + * combinations are valid: + * + * 1 2 3 4 + * 1 + * 2 x x x + * 3 x x x + * 4 x x x + */ +#define IDX(c,r) (((c-1)*3) + (r-1)) + + switch (IDX(columns, rows)) { + case IDX(2,2): return mat2_type; + case IDX(2,3): return mat2x3_type; + case IDX(2,4): return mat2x4_type; + case IDX(3,2): return mat3x2_type; + case IDX(3,3): return mat3_type; + case IDX(3,4): return mat3x4_type; + case IDX(4,2): return mat4x2_type; + case IDX(4,3): return mat4x3_type; + case IDX(4,4): return mat4_type; + default: return error_type; + } + } + + assert(!"Should not get here."); + return error_type; +} + + +const glsl_type * +glsl_type::get_array_instance(const glsl_type *base, unsigned array_size) +{ + + if (array_types == NULL) { + array_types = hash_table_ctor(64, hash_table_string_hash, + hash_table_string_compare); + } + + /* Generate a name using the base type pointer in the key. This is + * done because the name of the base type may not be unique across + * shaders. For example, two shaders may have different record types + * named 'foo'. + */ + char key[128]; + snprintf(key, sizeof(key), "%p[%u]", (void *) base, array_size); + + const glsl_type *t = (glsl_type *) hash_table_find(array_types, key); + if (t == NULL) { + t = new glsl_type(base, array_size); + + hash_table_insert(array_types, (void *) t, talloc_strdup(mem_ctx, key)); + } + + assert(t->base_type == GLSL_TYPE_ARRAY); + assert(t->length == array_size); + assert(t->fields.array == base); + + return t; +} + + +int +glsl_type::record_key_compare(const void *a, const void *b) +{ + const glsl_type *const key1 = (glsl_type *) a; + const glsl_type *const key2 = (glsl_type *) b; + + /* Return zero is the types match (there is zero difference) or non-zero + * otherwise. + */ + if (strcmp(key1->name, key2->name) != 0) + return 1; + + if (key1->length != key2->length) + return 1; + + for (unsigned i = 0; i < key1->length; i++) { + if (key1->fields.structure[i].type != key2->fields.structure[i].type) + return 1; + if (strcmp(key1->fields.structure[i].name, + key2->fields.structure[i].name) != 0) + return 1; + } + + return 0; +} + + +unsigned +glsl_type::record_key_hash(const void *a) +{ + const glsl_type *const key = (glsl_type *) a; + char hash_key[128]; + unsigned size = 0; + + size = snprintf(hash_key, sizeof(hash_key), "%08x", key->length); + + for (unsigned i = 0; i < key->length; i++) { + if (size >= sizeof(hash_key)) + break; + + size += snprintf(& hash_key[size], sizeof(hash_key) - size, + "%p", (void *) key->fields.structure[i].type); + } + + return hash_table_string_hash(& hash_key); +} + + +const glsl_type * +glsl_type::get_record_instance(const glsl_struct_field *fields, + unsigned num_fields, + const char *name) +{ + const glsl_type key(fields, num_fields, name); + + if (record_types == NULL) { + record_types = hash_table_ctor(64, record_key_hash, record_key_compare); + } + + const glsl_type *t = (glsl_type *) hash_table_find(record_types, & key); + if (t == NULL) { + t = new glsl_type(fields, num_fields, name); + + hash_table_insert(record_types, (void *) t, t); + } + + assert(t->base_type == GLSL_TYPE_STRUCT); + assert(t->length == num_fields); + assert(strcmp(t->name, name) == 0); + + return t; +} + + +const glsl_type * +glsl_type::field_type(const char *name) const +{ + if (this->base_type != GLSL_TYPE_STRUCT) + return error_type; + + for (unsigned i = 0; i < this->length; i++) { + if (strcmp(name, this->fields.structure[i].name) == 0) + return this->fields.structure[i].type; + } + + return error_type; +} + + +int +glsl_type::field_index(const char *name) const +{ + if (this->base_type != GLSL_TYPE_STRUCT) + return -1; + + for (unsigned i = 0; i < this->length; i++) { + if (strcmp(name, this->fields.structure[i].name) == 0) + return i; + } + + return -1; +} + + +unsigned +glsl_type::component_slots() const +{ + switch (this->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_FLOAT: + case GLSL_TYPE_BOOL: + return this->components(); + + case GLSL_TYPE_STRUCT: { + unsigned size = 0; + + for (unsigned i = 0; i < this->length; i++) + size += this->fields.structure[i].type->component_slots(); + + return size; + } + + case GLSL_TYPE_ARRAY: + return this->length * this->fields.array->component_slots(); + + default: + return 0; + } +} diff --git a/mesalib/src/glsl/glsl_types.h b/mesalib/src/glsl/glsl_types.h new file mode 100644 index 000000000..4f7d2f74a --- /dev/null +++ b/mesalib/src/glsl/glsl_types.h @@ -0,0 +1,476 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef GLSL_TYPES_H +#define GLSL_TYPES_H + +#include <cstring> +#include <cassert> + +extern "C" { +#include "GL/gl.h" +#include <talloc.h> +} + +struct _mesa_glsl_parse_state; +struct glsl_symbol_table; + +extern "C" void +_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state); + +extern "C" void +_mesa_glsl_release_types(void); + +#define GLSL_TYPE_UINT 0 +#define GLSL_TYPE_INT 1 +#define GLSL_TYPE_FLOAT 2 +#define GLSL_TYPE_BOOL 3 +#define GLSL_TYPE_SAMPLER 4 +#define GLSL_TYPE_STRUCT 5 +#define GLSL_TYPE_ARRAY 6 +#define GLSL_TYPE_FUNCTION 7 +#define GLSL_TYPE_VOID 8 +#define GLSL_TYPE_ERROR 9 + +enum glsl_sampler_dim { + GLSL_SAMPLER_DIM_1D = 0, + GLSL_SAMPLER_DIM_2D, + GLSL_SAMPLER_DIM_3D, + GLSL_SAMPLER_DIM_CUBE, + GLSL_SAMPLER_DIM_RECT, + GLSL_SAMPLER_DIM_BUF +}; + + +struct glsl_type { + GLenum gl_type; + unsigned base_type:4; + + unsigned sampler_dimensionality:3; + unsigned sampler_shadow:1; + unsigned sampler_array:1; + unsigned sampler_type:2; /**< Type of data returned using this sampler. + * only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT, + * and \c GLSL_TYPE_UINT are valid. + */ + + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'mem_ctx' (or any of its ancestors). */ + static void* operator new(size_t size) + { + if (glsl_type::mem_ctx == NULL) { + glsl_type::mem_ctx = talloc_init("glsl_type"); + assert(glsl_type::mem_ctx != NULL); + } + + void *type; + + type = talloc_size(glsl_type::mem_ctx, size); + assert(type != NULL); + + return type; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *type) + { + talloc_free(type); + } + + /** + * \name Vector and matrix element counts + * + * For scalars, each of these values will be 1. For non-numeric types + * these will be 0. + */ + /*@{*/ + unsigned vector_elements:3; /**< 1, 2, 3, or 4 vector elements. */ + unsigned matrix_columns:3; /**< 1, 2, 3, or 4 matrix columns. */ + /*@}*/ + + /** + * Name of the data type + * + * This may be \c NULL for anonymous structures, for arrays, or for + * function types. + */ + const char *name; + + /** + * For \c GLSL_TYPE_ARRAY, this is the length of the array. For + * \c GLSL_TYPE_STRUCT, it is the number of elements in the structure and + * the number of values pointed to by \c fields.structure (below). + * + * For \c GLSL_TYPE_FUNCTION, it is the number of parameters to the + * function. The return value from a function is implicitly the first + * parameter. The types of the parameters are stored in + * \c fields.parameters (below). + */ + unsigned length; + + /** + * Subtype of composite data types. + */ + union { + const struct glsl_type *array; /**< Type of array elements. */ + const struct glsl_type *parameters; /**< Parameters to function. */ + struct glsl_struct_field *structure; /**< List of struct fields. */ + } fields; + + + /** + * \name Pointers to various public type singletons + */ + /*@{*/ + static const glsl_type *const error_type; + static const glsl_type *const int_type; + static const glsl_type *const ivec4_type; + static const glsl_type *const uint_type; + static const glsl_type *const uvec4_type; + static const glsl_type *const float_type; + static const glsl_type *const vec2_type; + static const glsl_type *const vec3_type; + static const glsl_type *const vec4_type; + static const glsl_type *const bool_type; + static const glsl_type *const mat2_type; + static const glsl_type *const mat2x3_type; + static const glsl_type *const mat2x4_type; + static const glsl_type *const mat3x2_type; + static const glsl_type *const mat3_type; + static const glsl_type *const mat3x4_type; + static const glsl_type *const mat4x2_type; + static const glsl_type *const mat4x3_type; + static const glsl_type *const mat4_type; + /*@}*/ + + + /** + * For numeric and boolean derrived types returns the basic scalar type + * + * If the type is a numeric or boolean scalar, vector, or matrix type, + * this function gets the scalar type of the individual components. For + * all other types, including arrays of numeric or boolean types, the + * error type is returned. + */ + const glsl_type *get_base_type() const; + + /** + * Query the type of elements in an array + * + * \return + * Pointer to the type of elements in the array for array types, or \c NULL + * for non-array types. + */ + const glsl_type *element_type() const + { + return is_array() ? fields.array : NULL; + } + + /** + * Get the instance of a built-in scalar, vector, or matrix type + */ + static const glsl_type *get_instance(unsigned base_type, unsigned rows, + unsigned columns); + + /** + * Get the instance of an array type + */ + static const glsl_type *get_array_instance(const glsl_type *base, + unsigned elements); + + /** + * Get the instance of a record type + */ + static const glsl_type *get_record_instance(const glsl_struct_field *fields, + unsigned num_fields, + const char *name); + + /** + * Query the total number of scalars that make up a scalar, vector or matrix + */ + unsigned components() const + { + return vector_elements * matrix_columns; + } + + /** + * Calculate the number of components slots required to hold this type + * + * This is used to determine how many uniform or varying locations a type + * might occupy. + */ + unsigned component_slots() const; + + + /** + * Query whether or not a type is a scalar (non-vector and non-matrix). + */ + bool is_scalar() const + { + return (vector_elements == 1) + && (base_type >= GLSL_TYPE_UINT) + && (base_type <= GLSL_TYPE_BOOL); + } + + /** + * Query whether or not a type is a vector + */ + bool is_vector() const + { + return (vector_elements > 1) + && (matrix_columns == 1) + && (base_type >= GLSL_TYPE_UINT) + && (base_type <= GLSL_TYPE_BOOL); + } + + /** + * Query whether or not a type is a matrix + */ + bool is_matrix() const + { + /* GLSL only has float matrices. */ + return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT); + } + + /** + * Query whether or not a type is a non-array numeric type + */ + bool is_numeric() const + { + return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_FLOAT); + } + + /** + * Query whether or not a type is an integral type + */ + bool is_integer() const + { + return (base_type == GLSL_TYPE_UINT) || (base_type == GLSL_TYPE_INT); + } + + /** + * Query whether or not a type is a float type + */ + bool is_float() const + { + return base_type == GLSL_TYPE_FLOAT; + } + + /** + * Query whether or not a type is a non-array boolean type + */ + bool is_boolean() const + { + return base_type == GLSL_TYPE_BOOL; + } + + /** + * Query whether or not a type is a sampler + */ + bool is_sampler() const + { + return base_type == GLSL_TYPE_SAMPLER; + } + + /** + * Query whether or not a type is an array + */ + bool is_array() const + { + return base_type == GLSL_TYPE_ARRAY; + } + + /** + * Query whether or not a type is a record + */ + bool is_record() const + { + return base_type == GLSL_TYPE_STRUCT; + } + + /** + * Query whether or not a type is the void type singleton. + */ + bool is_void() const + { + return base_type == GLSL_TYPE_VOID; + } + + /** + * Query whether or not a type is the error type singleton. + */ + bool is_error() const + { + return base_type == GLSL_TYPE_ERROR; + } + + /** + * Query the full type of a matrix row + * + * \return + * If the type is not a matrix, \c glsl_type::error_type is returned. + * Otherwise a type matching the rows of the matrix is returned. + */ + const glsl_type *row_type() const + { + return is_matrix() + ? get_instance(base_type, matrix_columns, 1) + : error_type; + } + + /** + * Query the full type of a matrix column + * + * \return + * If the type is not a matrix, \c glsl_type::error_type is returned. + * Otherwise a type matching the columns of the matrix is returned. + */ + const glsl_type *column_type() const + { + return is_matrix() + ? get_instance(base_type, vector_elements, 1) + : error_type; + } + + + /** + * Get the type of a structure field + * + * \return + * Pointer to the type of the named field. If the type is not a structure + * or the named field does not exist, \c glsl_type::error_type is returned. + */ + const glsl_type *field_type(const char *name) const; + + + /** + * Get the location of a filed within a record type + */ + int field_index(const char *name) const; + + + /** + * Query the number of elements in an array type + * + * \return + * The number of elements in the array for array types or -1 for non-array + * types. If the number of elements in the array has not yet been declared, + * zero is returned. + */ + int array_size() const + { + return is_array() ? length : -1; + } + +private: + /** + * talloc context for all glsl_type allocations + * + * Set on the first call to \c glsl_type::new. + */ + static void *mem_ctx; + + void init_talloc_type_ctx(void); + + /** Constructor for vector and matrix types */ + glsl_type(GLenum gl_type, + unsigned base_type, unsigned vector_elements, + unsigned matrix_columns, const char *name); + + /** Constructor for sampler types */ + glsl_type(GLenum gl_type, + enum glsl_sampler_dim dim, bool shadow, bool array, + unsigned type, const char *name); + + /** Constructor for record types */ + glsl_type(const glsl_struct_field *fields, unsigned num_fields, + const char *name); + + /** Constructor for array types */ + glsl_type(const glsl_type *array, unsigned length); + + /** Hash table containing the known array types. */ + static struct hash_table *array_types; + + /** Hash table containing the known record types. */ + static struct hash_table *record_types; + + static int record_key_compare(const void *a, const void *b); + static unsigned record_key_hash(const void *key); + + /** + * \name Pointers to various type singletons + */ + /*@{*/ + static const glsl_type _error_type; + static const glsl_type void_type; + static const glsl_type builtin_core_types[]; + static const glsl_type builtin_structure_types[]; + static const glsl_type builtin_110_deprecated_structure_types[]; + static const glsl_type builtin_110_types[]; + static const glsl_type builtin_120_types[]; + static const glsl_type builtin_130_types[]; + static const glsl_type builtin_ARB_texture_rectangle_types[]; + static const glsl_type builtin_EXT_texture_array_types[]; + static const glsl_type builtin_EXT_texture_buffer_object_types[]; + /*@}*/ + + /** + * \name Methods to populate a symbol table with built-in types. + * + * \internal + * This is one of the truely annoying things about C++. Methods that are + * completely internal and private to a type still have to be advertised to + * the world in a public header file. + */ + /*@{*/ + static void generate_100ES_types(glsl_symbol_table *); + static void generate_110_types(glsl_symbol_table *); + static void generate_120_types(glsl_symbol_table *); + static void generate_130_types(glsl_symbol_table *); + static void generate_ARB_texture_rectangle_types(glsl_symbol_table *, bool); + static void generate_EXT_texture_array_types(glsl_symbol_table *, bool); + /*@}*/ + + /** + * \name Friend functions. + * + * These functions are friends because they must have C linkage and the + * need to call various private methods or access various private static + * data. + */ + /*@{*/ + friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *); + friend void _mesa_glsl_release_types(void); + /*@}*/ +}; + +struct glsl_struct_field { + const struct glsl_type *type; + const char *name; +}; + +#endif /* GLSL_TYPES_H */ diff --git a/mesalib/src/glsl/hir_field_selection.cpp b/mesalib/src/glsl/hir_field_selection.cpp new file mode 100644 index 000000000..3c33127b5 --- /dev/null +++ b/mesalib/src/glsl/hir_field_selection.cpp @@ -0,0 +1,102 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "ir.h" +#include "program/symbol_table.h" +#include "glsl_parser_extras.h" +#include "ast.h" +#include "glsl_types.h" + +ir_rvalue * +_mesa_ast_field_selection_to_hir(const ast_expression *expr, + exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + ir_rvalue *result = NULL; + ir_rvalue *op; + + op = expr->subexpressions[0]->hir(instructions, state); + + /* There are two kinds of field selection. There is the selection of a + * specific field from a structure, and there is the selection of a + * swizzle / mask from a vector. Which is which is determined entirely + * by the base type of the thing to which the field selection operator is + * being applied. + */ + YYLTYPE loc = expr->get_location(); + if (op->type->is_error()) { + /* silently propagate the error */ + } else if (op->type->is_vector()) { + ir_swizzle *swiz = ir_swizzle::create(op, + expr->primary_expression.identifier, + op->type->vector_elements); + if (swiz != NULL) { + result = swiz; + } else { + /* FINISHME: Logging of error messages should be moved into + * FINISHME: ir_swizzle::create. This allows the generation of more + * FINISHME: specific error messages. + */ + _mesa_glsl_error(& loc, state, "Invalid swizzle / mask `%s'", + expr->primary_expression.identifier); + } + } else if (op->type->base_type == GLSL_TYPE_STRUCT) { + result = new(ctx) ir_dereference_record(op, + expr->primary_expression.identifier); + + if (result->type->is_error()) { + _mesa_glsl_error(& loc, state, "Cannot access field `%s' of " + "structure", + expr->primary_expression.identifier); + } + } else if (expr->subexpressions[1] != NULL) { + /* Handle "method calls" in GLSL 1.20 - namely, array.length() */ + if (state->language_version < 120) + _mesa_glsl_error(&loc, state, "Methods not supported in GLSL 1.10."); + + ast_expression *call = expr->subexpressions[1]; + assert(call->oper == ast_function_call); + + const char *method; + method = call->subexpressions[0]->primary_expression.identifier; + + if (op->type->is_array() && strcmp(method, "length") == 0) { + if (!call->expressions.is_empty()) + _mesa_glsl_error(&loc, state, "length method takes no arguments."); + + if (op->type->array_size() == 0) + _mesa_glsl_error(&loc, state, "length called on unsized array."); + + result = new(ctx) ir_constant(op->type->array_size()); + } else { + _mesa_glsl_error(&loc, state, "Unknown method: `%s'.", method); + } + } else { + _mesa_glsl_error(& loc, state, "Cannot access field `%s' of " + "non-structure / non-vector.", + expr->primary_expression.identifier); + } + + return result ? result : ir_call::get_error_instruction(ctx); +} diff --git a/mesalib/src/glsl/ir.cpp b/mesalib/src/glsl/ir.cpp new file mode 100644 index 000000000..5e2109ecc --- /dev/null +++ b/mesalib/src/glsl/ir.cpp @@ -0,0 +1,1238 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <string.h> +#include "main/core.h" /* for MAX2 */ +#include "ir.h" +#include "ir_visitor.h" +#include "glsl_types.h" + +ir_rvalue::ir_rvalue() +{ + this->type = glsl_type::error_type; +} + +/** + * Modify the swizzle make to move one component to another + * + * \param m IR swizzle to be modified + * \param from Component in the RHS that is to be swizzled + * \param to Desired swizzle location of \c from + */ +static void +update_rhs_swizzle(ir_swizzle_mask &m, unsigned from, unsigned to) +{ + switch (to) { + case 0: m.x = from; break; + case 1: m.y = from; break; + case 2: m.z = from; break; + case 3: m.w = from; break; + default: assert(!"Should not get here."); + } + + m.num_components = MAX2(m.num_components, (to + 1)); +} + +void +ir_assignment::set_lhs(ir_rvalue *lhs) +{ + void *mem_ctx = this; + bool swizzled = false; + + while (lhs != NULL) { + ir_swizzle *swiz = lhs->as_swizzle(); + + if (swiz == NULL) + break; + + unsigned write_mask = 0; + ir_swizzle_mask rhs_swiz = { 0, 0, 0, 0, 0, 0 }; + + for (unsigned i = 0; i < swiz->mask.num_components; i++) { + unsigned c = 0; + + switch (i) { + case 0: c = swiz->mask.x; break; + case 1: c = swiz->mask.y; break; + case 2: c = swiz->mask.z; break; + case 3: c = swiz->mask.w; break; + default: assert(!"Should not get here."); + } + + write_mask |= (((this->write_mask >> i) & 1) << c); + update_rhs_swizzle(rhs_swiz, i, c); + } + + this->write_mask = write_mask; + lhs = swiz->val; + + this->rhs = new(mem_ctx) ir_swizzle(this->rhs, rhs_swiz); + swizzled = true; + } + + if (swizzled) { + /* Now, RHS channels line up with the LHS writemask. Collapse it + * to just the channels that will be written. + */ + ir_swizzle_mask rhs_swiz = { 0, 0, 0, 0, 0, 0 }; + int rhs_chan = 0; + for (int i = 0; i < 4; i++) { + if (write_mask & (1 << i)) + update_rhs_swizzle(rhs_swiz, i, rhs_chan++); + } + this->rhs = new(mem_ctx) ir_swizzle(this->rhs, rhs_swiz); + } + + assert((lhs == NULL) || lhs->as_dereference()); + + this->lhs = (ir_dereference *) lhs; +} + +ir_variable * +ir_assignment::whole_variable_written() +{ + ir_variable *v = this->lhs->whole_variable_referenced(); + + if (v == NULL) + return NULL; + + if (v->type->is_scalar()) + return v; + + if (v->type->is_vector()) { + const unsigned mask = (1U << v->type->vector_elements) - 1; + + if (mask != this->write_mask) + return NULL; + } + + /* Either all the vector components are assigned or the variable is some + * composite type (and the whole thing is assigned. + */ + return v; +} + +ir_assignment::ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, + ir_rvalue *condition, unsigned write_mask) +{ + this->ir_type = ir_type_assignment; + this->condition = condition; + this->rhs = rhs; + this->lhs = lhs; + this->write_mask = write_mask; + + if (lhs->type->is_scalar() || lhs->type->is_vector()) { + int lhs_components = 0; + for (int i = 0; i < 4; i++) { + if (write_mask & (1 << i)) + lhs_components++; + } + + assert(lhs_components == this->rhs->type->vector_elements); + } +} + +ir_assignment::ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, + ir_rvalue *condition) +{ + this->ir_type = ir_type_assignment; + this->condition = condition; + this->rhs = rhs; + + /* If the RHS is a vector type, assume that all components of the vector + * type are being written to the LHS. The write mask comes from the RHS + * because we can have a case where the LHS is a vec4 and the RHS is a + * vec3. In that case, the assignment is: + * + * (assign (...) (xyz) (var_ref lhs) (var_ref rhs)) + */ + if (rhs->type->is_vector()) + this->write_mask = (1U << rhs->type->vector_elements) - 1; + else if (rhs->type->is_scalar()) + this->write_mask = 1; + else + this->write_mask = 0; + + this->set_lhs(lhs); +} + + +ir_expression::ir_expression(int op, const struct glsl_type *type, + ir_rvalue *op0, ir_rvalue *op1) +{ + this->ir_type = ir_type_expression; + this->type = type; + this->operation = ir_expression_operation(op); + this->operands[0] = op0; + this->operands[1] = op1; +} + +unsigned int +ir_expression::get_num_operands(ir_expression_operation op) +{ +/* Update ir_print_visitor.cpp when updating this list. */ + const int num_operands[] = { + 1, /* ir_unop_bit_not */ + 1, /* ir_unop_logic_not */ + 1, /* ir_unop_neg */ + 1, /* ir_unop_abs */ + 1, /* ir_unop_sign */ + 1, /* ir_unop_rcp */ + 1, /* ir_unop_rsq */ + 1, /* ir_unop_sqrt */ + 1, /* ir_unop_exp */ + 1, /* ir_unop_log */ + 1, /* ir_unop_exp2 */ + 1, /* ir_unop_log2 */ + 1, /* ir_unop_f2i */ + 1, /* ir_unop_i2f */ + 1, /* ir_unop_f2b */ + 1, /* ir_unop_b2f */ + 1, /* ir_unop_i2b */ + 1, /* ir_unop_b2i */ + 1, /* ir_unop_u2f */ + 1, /* ir_unop_any */ + + 1, /* ir_unop_trunc */ + 1, /* ir_unop_ceil */ + 1, /* ir_unop_floor */ + 1, /* ir_unop_fract */ + + 1, /* ir_unop_sin */ + 1, /* ir_unop_cos */ + + 1, /* ir_unop_dFdx */ + 1, /* ir_unop_dFdy */ + + 1, /* ir_unop_noise */ + + 2, /* ir_binop_add */ + 2, /* ir_binop_sub */ + 2, /* ir_binop_mul */ + 2, /* ir_binop_div */ + 2, /* ir_binop_mod */ + + 2, /* ir_binop_less */ + 2, /* ir_binop_greater */ + 2, /* ir_binop_lequal */ + 2, /* ir_binop_gequal */ + 2, /* ir_binop_equal */ + 2, /* ir_binop_nequal */ + 2, /* ir_binop_all_equal */ + 2, /* ir_binop_any_nequal */ + + 2, /* ir_binop_lshift */ + 2, /* ir_binop_rshift */ + 2, /* ir_binop_bit_and */ + 2, /* ir_binop_bit_xor */ + 2, /* ir_binop_bit_or */ + + 2, /* ir_binop_logic_and */ + 2, /* ir_binop_logic_xor */ + 2, /* ir_binop_logic_or */ + + 2, /* ir_binop_dot */ + 2, /* ir_binop_cross */ + 2, /* ir_binop_min */ + 2, /* ir_binop_max */ + + 2, /* ir_binop_pow */ + }; + + assert(sizeof(num_operands) / sizeof(num_operands[0]) == ir_binop_pow + 1); + + return num_operands[op]; +} + +static const char *const operator_strs[] = { + "~", + "!", + "neg", + "abs", + "sign", + "rcp", + "rsq", + "sqrt", + "exp", + "log", + "exp2", + "log2", + "f2i", + "i2f", + "f2b", + "b2f", + "i2b", + "b2i", + "u2f", + "any", + "trunc", + "ceil", + "floor", + "fract", + "sin", + "cos", + "dFdx", + "dFdy", + "noise", + "+", + "-", + "*", + "/", + "%", + "<", + ">", + "<=", + ">=", + "==", + "!=", + "all_equal", + "any_nequal", + "<<", + ">>", + "&", + "^", + "|", + "&&", + "^^", + "||", + "dot", + "cross", + "min", + "max", + "pow", +}; + +const char *ir_expression::operator_string(ir_expression_operation op) +{ + assert((unsigned int) op < Elements(operator_strs)); + assert(Elements(operator_strs) == (ir_binop_pow + 1)); + return operator_strs[op]; +} + +const char *ir_expression::operator_string() +{ + return operator_string(this->operation); +} + +ir_expression_operation +ir_expression::get_operator(const char *str) +{ + const int operator_count = sizeof(operator_strs) / sizeof(operator_strs[0]); + for (int op = 0; op < operator_count; op++) { + if (strcmp(str, operator_strs[op]) == 0) + return (ir_expression_operation) op; + } + return (ir_expression_operation) -1; +} + +ir_constant::ir_constant() +{ + this->ir_type = ir_type_constant; +} + +ir_constant::ir_constant(const struct glsl_type *type, + const ir_constant_data *data) +{ + assert((type->base_type >= GLSL_TYPE_UINT) + && (type->base_type <= GLSL_TYPE_BOOL)); + + this->ir_type = ir_type_constant; + this->type = type; + memcpy(& this->value, data, sizeof(this->value)); +} + +ir_constant::ir_constant(float f) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::float_type; + this->value.f[0] = f; + for (int i = 1; i < 16; i++) { + this->value.f[i] = 0; + } +} + +ir_constant::ir_constant(unsigned int u) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::uint_type; + this->value.u[0] = u; + for (int i = 1; i < 16; i++) { + this->value.u[i] = 0; + } +} + +ir_constant::ir_constant(int i) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::int_type; + this->value.i[0] = i; + for (int i = 1; i < 16; i++) { + this->value.i[i] = 0; + } +} + +ir_constant::ir_constant(bool b) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::bool_type; + this->value.b[0] = b; + for (int i = 1; i < 16; i++) { + this->value.b[i] = false; + } +} + +ir_constant::ir_constant(const ir_constant *c, unsigned i) +{ + this->ir_type = ir_type_constant; + this->type = c->type->get_base_type(); + + switch (this->type->base_type) { + case GLSL_TYPE_UINT: this->value.u[0] = c->value.u[i]; break; + case GLSL_TYPE_INT: this->value.i[0] = c->value.i[i]; break; + case GLSL_TYPE_FLOAT: this->value.f[0] = c->value.f[i]; break; + case GLSL_TYPE_BOOL: this->value.b[0] = c->value.b[i]; break; + default: assert(!"Should not get here."); break; + } +} + +ir_constant::ir_constant(const struct glsl_type *type, exec_list *value_list) +{ + this->ir_type = ir_type_constant; + this->type = type; + + assert(type->is_scalar() || type->is_vector() || type->is_matrix() + || type->is_record() || type->is_array()); + + if (type->is_array()) { + this->array_elements = talloc_array(this, ir_constant *, type->length); + unsigned i = 0; + foreach_list(node, value_list) { + ir_constant *value = (ir_constant *) node; + assert(value->as_constant() != NULL); + + this->array_elements[i++] = value; + } + return; + } + + /* If the constant is a record, the types of each of the entries in + * value_list must be a 1-for-1 match with the structure components. Each + * entry must also be a constant. Just move the nodes from the value_list + * to the list in the ir_constant. + */ + /* FINISHME: Should there be some type checking and / or assertions here? */ + /* FINISHME: Should the new constant take ownership of the nodes from + * FINISHME: value_list, or should it make copies? + */ + if (type->is_record()) { + value_list->move_nodes_to(& this->components); + return; + } + + for (unsigned i = 0; i < 16; i++) { + this->value.u[i] = 0; + } + + ir_constant *value = (ir_constant *) (value_list->head); + + /* Constructors with exactly one scalar argument are special for vectors + * and matrices. For vectors, the scalar value is replicated to fill all + * the components. For matrices, the scalar fills the components of the + * diagonal while the rest is filled with 0. + */ + if (value->type->is_scalar() && value->next->is_tail_sentinel()) { + if (type->is_matrix()) { + /* Matrix - fill diagonal (rest is already set to 0) */ + assert(type->base_type == GLSL_TYPE_FLOAT); + for (unsigned i = 0; i < type->matrix_columns; i++) + this->value.f[i * type->vector_elements + i] = value->value.f[0]; + } else { + /* Vector or scalar - fill all components */ + switch (type->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + for (unsigned i = 0; i < type->components(); i++) + this->value.u[i] = value->value.u[0]; + break; + case GLSL_TYPE_FLOAT: + for (unsigned i = 0; i < type->components(); i++) + this->value.f[i] = value->value.f[0]; + break; + case GLSL_TYPE_BOOL: + for (unsigned i = 0; i < type->components(); i++) + this->value.b[i] = value->value.b[0]; + break; + default: + assert(!"Should not get here."); + break; + } + } + return; + } + + if (type->is_matrix() && value->type->is_matrix()) { + assert(value->next->is_tail_sentinel()); + + /* From section 5.4.2 of the GLSL 1.20 spec: + * "If a matrix is constructed from a matrix, then each component + * (column i, row j) in the result that has a corresponding component + * (column i, row j) in the argument will be initialized from there." + */ + unsigned cols = MIN2(type->matrix_columns, value->type->matrix_columns); + unsigned rows = MIN2(type->vector_elements, value->type->vector_elements); + for (unsigned i = 0; i < cols; i++) { + for (unsigned j = 0; j < rows; j++) { + const unsigned src = i * value->type->vector_elements + j; + const unsigned dst = i * type->vector_elements + j; + this->value.f[dst] = value->value.f[src]; + } + } + + /* "All other components will be initialized to the identity matrix." */ + for (unsigned i = cols; i < type->matrix_columns; i++) + this->value.f[i * type->vector_elements + i] = 1.0; + + return; + } + + /* Use each component from each entry in the value_list to initialize one + * component of the constant being constructed. + */ + for (unsigned i = 0; i < type->components(); /* empty */) { + assert(value->as_constant() != NULL); + assert(!value->is_tail_sentinel()); + + for (unsigned j = 0; j < value->type->components(); j++) { + switch (type->base_type) { + case GLSL_TYPE_UINT: + this->value.u[i] = value->get_uint_component(j); + break; + case GLSL_TYPE_INT: + this->value.i[i] = value->get_int_component(j); + break; + case GLSL_TYPE_FLOAT: + this->value.f[i] = value->get_float_component(j); + break; + case GLSL_TYPE_BOOL: + this->value.b[i] = value->get_bool_component(j); + break; + default: + /* FINISHME: What to do? Exceptions are not the answer. + */ + break; + } + + i++; + if (i >= type->components()) + break; + } + + value = (ir_constant *) value->next; + } +} + +ir_constant * +ir_constant::zero(void *mem_ctx, const glsl_type *type) +{ + assert(type->is_numeric() || type->is_boolean()); + + ir_constant *c = new(mem_ctx) ir_constant; + c->type = type; + memset(&c->value, 0, sizeof(c->value)); + + return c; +} + +bool +ir_constant::get_bool_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return this->value.u[i] != 0; + case GLSL_TYPE_INT: return this->value.i[i] != 0; + case GLSL_TYPE_FLOAT: return ((int)this->value.f[i]) != 0; + case GLSL_TYPE_BOOL: return this->value.b[i]; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return false; +} + +float +ir_constant::get_float_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return (float) this->value.u[i]; + case GLSL_TYPE_INT: return (float) this->value.i[i]; + case GLSL_TYPE_FLOAT: return this->value.f[i]; + case GLSL_TYPE_BOOL: return this->value.b[i] ? 1.0 : 0.0; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return 0.0; +} + +int +ir_constant::get_int_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return this->value.u[i]; + case GLSL_TYPE_INT: return this->value.i[i]; + case GLSL_TYPE_FLOAT: return (int) this->value.f[i]; + case GLSL_TYPE_BOOL: return this->value.b[i] ? 1 : 0; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return 0; +} + +unsigned +ir_constant::get_uint_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return this->value.u[i]; + case GLSL_TYPE_INT: return this->value.i[i]; + case GLSL_TYPE_FLOAT: return (unsigned) this->value.f[i]; + case GLSL_TYPE_BOOL: return this->value.b[i] ? 1 : 0; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return 0; +} + +ir_constant * +ir_constant::get_array_element(unsigned i) const +{ + assert(this->type->is_array()); + + /* From page 35 (page 41 of the PDF) of the GLSL 1.20 spec: + * + * "Behavior is undefined if a shader subscripts an array with an index + * less than 0 or greater than or equal to the size the array was + * declared with." + * + * Most out-of-bounds accesses are removed before things could get this far. + * There are cases where non-constant array index values can get constant + * folded. + */ + if (int(i) < 0) + i = 0; + else if (i >= this->type->length) + i = this->type->length - 1; + + return array_elements[i]; +} + +ir_constant * +ir_constant::get_record_field(const char *name) +{ + int idx = this->type->field_index(name); + + if (idx < 0) + return NULL; + + if (this->components.is_empty()) + return NULL; + + exec_node *node = this->components.head; + for (int i = 0; i < idx; i++) { + node = node->next; + + /* If the end of the list is encountered before the element matching the + * requested field is found, return NULL. + */ + if (node->is_tail_sentinel()) + return NULL; + } + + return (ir_constant *) node; +} + + +bool +ir_constant::has_value(const ir_constant *c) const +{ + if (this->type != c->type) + return false; + + if (this->type->is_array()) { + for (unsigned i = 0; i < this->type->length; i++) { + if (this->array_elements[i]->has_value(c->array_elements[i])) + return false; + } + return true; + } + + if (this->type->base_type == GLSL_TYPE_STRUCT) { + const exec_node *a_node = this->components.head; + const exec_node *b_node = c->components.head; + + while (!a_node->is_tail_sentinel()) { + assert(!b_node->is_tail_sentinel()); + + const ir_constant *const a_field = (ir_constant *) a_node; + const ir_constant *const b_field = (ir_constant *) b_node; + + if (!a_field->has_value(b_field)) + return false; + + a_node = a_node->next; + b_node = b_node->next; + } + + return true; + } + + for (unsigned i = 0; i < this->type->components(); i++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + if (this->value.u[i] != c->value.u[i]) + return false; + break; + case GLSL_TYPE_INT: + if (this->value.i[i] != c->value.i[i]) + return false; + break; + case GLSL_TYPE_FLOAT: + if (this->value.f[i] != c->value.f[i]) + return false; + break; + case GLSL_TYPE_BOOL: + if (this->value.b[i] != c->value.b[i]) + return false; + break; + default: + assert(!"Should not get here."); + return false; + } + } + + return true; +} + + +ir_loop::ir_loop() +{ + this->ir_type = ir_type_loop; + this->cmp = ir_unop_neg; + this->from = NULL; + this->to = NULL; + this->increment = NULL; + this->counter = NULL; +} + + +ir_dereference_variable::ir_dereference_variable(ir_variable *var) +{ + this->ir_type = ir_type_dereference_variable; + this->var = var; + this->type = (var != NULL) ? var->type : glsl_type::error_type; +} + + +ir_dereference_array::ir_dereference_array(ir_rvalue *value, + ir_rvalue *array_index) +{ + this->ir_type = ir_type_dereference_array; + this->array_index = array_index; + this->set_array(value); +} + + +ir_dereference_array::ir_dereference_array(ir_variable *var, + ir_rvalue *array_index) +{ + void *ctx = talloc_parent(var); + + this->ir_type = ir_type_dereference_array; + this->array_index = array_index; + this->set_array(new(ctx) ir_dereference_variable(var)); +} + + +void +ir_dereference_array::set_array(ir_rvalue *value) +{ + this->array = value; + this->type = glsl_type::error_type; + + if (this->array != NULL) { + const glsl_type *const vt = this->array->type; + + if (vt->is_array()) { + type = vt->element_type(); + } else if (vt->is_matrix()) { + type = vt->column_type(); + } else if (vt->is_vector()) { + type = vt->get_base_type(); + } + } +} + + +ir_dereference_record::ir_dereference_record(ir_rvalue *value, + const char *field) +{ + this->ir_type = ir_type_dereference_record; + this->record = value; + this->field = talloc_strdup(this, field); + this->type = (this->record != NULL) + ? this->record->type->field_type(field) : glsl_type::error_type; +} + + +ir_dereference_record::ir_dereference_record(ir_variable *var, + const char *field) +{ + void *ctx = talloc_parent(var); + + this->ir_type = ir_type_dereference_record; + this->record = new(ctx) ir_dereference_variable(var); + this->field = talloc_strdup(this, field); + this->type = (this->record != NULL) + ? this->record->type->field_type(field) : glsl_type::error_type; +} + +bool type_contains_sampler(const glsl_type *type) +{ + if (type->is_array()) { + return type_contains_sampler(type->fields.array); + } else if (type->is_record()) { + for (unsigned int i = 0; i < type->length; i++) { + if (type_contains_sampler(type->fields.structure[i].type)) + return true; + } + return false; + } else { + return type->is_sampler(); + } +} + +bool +ir_dereference::is_lvalue() +{ + ir_variable *var = this->variable_referenced(); + + /* Every l-value derference chain eventually ends in a variable. + */ + if ((var == NULL) || var->read_only) + return false; + + if (this->type->is_array() && !var->array_lvalue) + return false; + + /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: + * + * "Samplers cannot be treated as l-values; hence cannot be used + * as out or inout function parameters, nor can they be + * assigned into." + */ + if (type_contains_sampler(this->type)) + return false; + + return true; +} + + +const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf" }; + +const char *ir_texture::opcode_string() +{ + assert((unsigned int) op <= + sizeof(tex_opcode_strs) / sizeof(tex_opcode_strs[0])); + return tex_opcode_strs[op]; +} + +ir_texture_opcode +ir_texture::get_opcode(const char *str) +{ + const int count = sizeof(tex_opcode_strs) / sizeof(tex_opcode_strs[0]); + for (int op = 0; op < count; op++) { + if (strcmp(str, tex_opcode_strs[op]) == 0) + return (ir_texture_opcode) op; + } + return (ir_texture_opcode) -1; +} + + +void +ir_texture::set_sampler(ir_dereference *sampler) +{ + assert(sampler != NULL); + this->sampler = sampler; + + switch (sampler->type->sampler_type) { + case GLSL_TYPE_FLOAT: + this->type = glsl_type::vec4_type; + break; + case GLSL_TYPE_INT: + this->type = glsl_type::ivec4_type; + break; + case GLSL_TYPE_UINT: + this->type = glsl_type::uvec4_type; + break; + } +} + + +void +ir_swizzle::init_mask(const unsigned *comp, unsigned count) +{ + assert((count >= 1) && (count <= 4)); + + memset(&this->mask, 0, sizeof(this->mask)); + this->mask.num_components = count; + + unsigned dup_mask = 0; + switch (count) { + case 4: + assert(comp[3] <= 3); + dup_mask |= (1U << comp[3]) + & ((1U << comp[0]) | (1U << comp[1]) | (1U << comp[2])); + this->mask.w = comp[3]; + + case 3: + assert(comp[2] <= 3); + dup_mask |= (1U << comp[2]) + & ((1U << comp[0]) | (1U << comp[1])); + this->mask.z = comp[2]; + + case 2: + assert(comp[1] <= 3); + dup_mask |= (1U << comp[1]) + & ((1U << comp[0])); + this->mask.y = comp[1]; + + case 1: + assert(comp[0] <= 3); + this->mask.x = comp[0]; + } + + this->mask.has_duplicates = dup_mask != 0; + + /* Based on the number of elements in the swizzle and the base type + * (i.e., float, int, unsigned, or bool) of the vector being swizzled, + * generate the type of the resulting value. + */ + type = glsl_type::get_instance(val->type->base_type, mask.num_components, 1); +} + +ir_swizzle::ir_swizzle(ir_rvalue *val, unsigned x, unsigned y, unsigned z, + unsigned w, unsigned count) + : val(val) +{ + const unsigned components[4] = { x, y, z, w }; + this->ir_type = ir_type_swizzle; + this->init_mask(components, count); +} + +ir_swizzle::ir_swizzle(ir_rvalue *val, const unsigned *comp, + unsigned count) + : val(val) +{ + this->ir_type = ir_type_swizzle; + this->init_mask(comp, count); +} + +ir_swizzle::ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask) +{ + this->ir_type = ir_type_swizzle; + this->val = val; + this->mask = mask; + this->type = glsl_type::get_instance(val->type->base_type, + mask.num_components, 1); +} + +#define X 1 +#define R 5 +#define S 9 +#define I 13 + +ir_swizzle * +ir_swizzle::create(ir_rvalue *val, const char *str, unsigned vector_length) +{ + void *ctx = talloc_parent(val); + + /* For each possible swizzle character, this table encodes the value in + * \c idx_map that represents the 0th element of the vector. For invalid + * swizzle characters (e.g., 'k'), a special value is used that will allow + * detection of errors. + */ + static const unsigned char base_idx[26] = { + /* a b c d e f g h i j k l m */ + R, R, I, I, I, I, R, I, I, I, I, I, I, + /* n o p q r s t u v w x y z */ + I, I, S, S, R, S, S, I, I, X, X, X, X + }; + + /* Each valid swizzle character has an entry in the previous table. This + * table encodes the base index encoded in the previous table plus the actual + * index of the swizzle character. When processing swizzles, the first + * character in the string is indexed in the previous table. Each character + * in the string is indexed in this table, and the value found there has the + * value form the first table subtracted. The result must be on the range + * [0,3]. + * + * For example, the string "wzyx" will get X from the first table. Each of + * the charcaters will get X+3, X+2, X+1, and X+0 from this table. After + * subtraction, the swizzle values are { 3, 2, 1, 0 }. + * + * The string "wzrg" will get X from the first table. Each of the characters + * will get X+3, X+2, R+0, and R+1 from this table. After subtraction, the + * swizzle values are { 3, 2, 4, 5 }. Since 4 and 5 are outside the range + * [0,3], the error is detected. + */ + static const unsigned char idx_map[26] = { + /* a b c d e f g h i j k l m */ + R+3, R+2, 0, 0, 0, 0, R+1, 0, 0, 0, 0, 0, 0, + /* n o p q r s t u v w x y z */ + 0, 0, S+2, S+3, R+0, S+0, S+1, 0, 0, X+3, X+0, X+1, X+2 + }; + + int swiz_idx[4] = { 0, 0, 0, 0 }; + unsigned i; + + + /* Validate the first character in the swizzle string and look up the base + * index value as described above. + */ + if ((str[0] < 'a') || (str[0] > 'z')) + return NULL; + + const unsigned base = base_idx[str[0] - 'a']; + + + for (i = 0; (i < 4) && (str[i] != '\0'); i++) { + /* Validate the next character, and, as described above, convert it to a + * swizzle index. + */ + if ((str[i] < 'a') || (str[i] > 'z')) + return NULL; + + swiz_idx[i] = idx_map[str[i] - 'a'] - base; + if ((swiz_idx[i] < 0) || (swiz_idx[i] >= (int) vector_length)) + return NULL; + } + + if (str[i] != '\0') + return NULL; + + return new(ctx) ir_swizzle(val, swiz_idx[0], swiz_idx[1], swiz_idx[2], + swiz_idx[3], i); +} + +#undef X +#undef R +#undef S +#undef I + +ir_variable * +ir_swizzle::variable_referenced() +{ + return this->val->variable_referenced(); +} + + +ir_variable::ir_variable(const struct glsl_type *type, const char *name, + ir_variable_mode mode) + : max_array_access(0), read_only(false), centroid(false), invariant(false), + mode(mode), interpolation(ir_var_smooth), array_lvalue(false) +{ + this->ir_type = ir_type_variable; + this->type = type; + this->name = talloc_strdup(this, name); + this->location = -1; + this->warn_extension = NULL; + this->constant_value = NULL; + this->origin_upper_left = false; + this->pixel_center_integer = false; + + if (type && type->base_type == GLSL_TYPE_SAMPLER) + this->read_only = true; +} + + +const char * +ir_variable::interpolation_string() const +{ + switch (this->interpolation) { + case ir_var_smooth: return "smooth"; + case ir_var_flat: return "flat"; + case ir_var_noperspective: return "noperspective"; + } + + assert(!"Should not get here."); + return ""; +} + + +unsigned +ir_variable::component_slots() const +{ + /* FINISHME: Sparsely accessed arrays require fewer slots. */ + return this->type->component_slots(); +} + + +ir_function_signature::ir_function_signature(const glsl_type *return_type) + : return_type(return_type), is_defined(false), _function(NULL) +{ + this->ir_type = ir_type_function_signature; + this->is_builtin = false; +} + + +const char * +ir_function_signature::qualifiers_match(exec_list *params) +{ + exec_list_iterator iter_a = parameters.iterator(); + exec_list_iterator iter_b = params->iterator(); + + /* check that the qualifiers match. */ + while (iter_a.has_next()) { + ir_variable *a = (ir_variable *)iter_a.get(); + ir_variable *b = (ir_variable *)iter_b.get(); + + if (a->read_only != b->read_only || + a->mode != b->mode || + a->interpolation != b->interpolation || + a->centroid != b->centroid) { + + /* parameter a's qualifiers don't match */ + return a->name; + } + + iter_a.next(); + iter_b.next(); + } + return NULL; +} + + +void +ir_function_signature::replace_parameters(exec_list *new_params) +{ + /* Destroy all of the previous parameter information. If the previous + * parameter information comes from the function prototype, it may either + * specify incorrect parameter names or not have names at all. + */ + foreach_iter(exec_list_iterator, iter, parameters) { + assert(((ir_instruction *) iter.get())->as_variable() != NULL); + + iter.remove(); + } + + new_params->move_nodes_to(¶meters); +} + + +ir_function::ir_function(const char *name) +{ + this->ir_type = ir_type_function; + this->name = talloc_strdup(this, name); +} + + +bool +ir_function::has_user_signature() +{ + foreach_list(n, &this->signatures) { + ir_function_signature *const sig = (ir_function_signature *) n; + if (!sig->is_builtin) + return true; + } + return false; +} + + +ir_call * +ir_call::get_error_instruction(void *ctx) +{ + ir_call *call = new(ctx) ir_call; + + call->type = glsl_type::error_type; + return call; +} + +void +ir_call::set_callee(ir_function_signature *sig) +{ + assert((this->type == NULL) || (this->type == sig->return_type)); + + this->callee = sig; +} + +void +visit_exec_list(exec_list *list, ir_visitor *visitor) +{ + foreach_iter(exec_list_iterator, iter, *list) { + ((ir_instruction *)iter.get())->accept(visitor); + } +} + + +static void +steal_memory(ir_instruction *ir, void *new_ctx) +{ + ir_variable *var = ir->as_variable(); + ir_constant *constant = ir->as_constant(); + if (var != NULL && var->constant_value != NULL) + steal_memory(var->constant_value, ir); + + /* The components of aggregate constants are not visited by the normal + * visitor, so steal their values by hand. + */ + if (constant != NULL) { + if (constant->type->is_record()) { + foreach_iter(exec_list_iterator, iter, constant->components) { + ir_constant *field = (ir_constant *)iter.get(); + steal_memory(field, ir); + } + } else if (constant->type->is_array()) { + for (unsigned int i = 0; i < constant->type->length; i++) { + steal_memory(constant->array_elements[i], ir); + } + } + } + + talloc_steal(new_ctx, ir); +} + + +void +reparent_ir(exec_list *list, void *mem_ctx) +{ + foreach_list(node, list) { + visit_tree((ir_instruction *) node, steal_memory, mem_ctx); + } +} diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h new file mode 100644 index 000000000..fa246b5e5 --- /dev/null +++ b/mesalib/src/glsl/ir.h @@ -0,0 +1,1511 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef IR_H +#define IR_H + +#include <cstdio> +#include <cstdlib> + +extern "C" { +#include <talloc.h> +} + +#include "list.h" +#include "ir_visitor.h" +#include "ir_hierarchical_visitor.h" + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) +#endif + +/** + * \defgroup IR Intermediate representation nodes + * + * @{ + */ + +/** + * Class tags + * + * Each concrete class derived from \c ir_instruction has a value in this + * enumerant. The value for the type is stored in \c ir_instruction::ir_type + * by the constructor. While using type tags is not very C++, it is extremely + * convenient. For example, during debugging you can simply inspect + * \c ir_instruction::ir_type to find out the actual type of the object. + * + * In addition, it is possible to use a switch-statement based on \c + * \c ir_instruction::ir_type to select different behavior for different object + * types. For functions that have only slight differences for several object + * types, this allows writing very straightforward, readable code. + */ +enum ir_node_type { + /** + * Zero is unused so that the IR validator can detect cases where + * \c ir_instruction::ir_type has not been initialized. + */ + ir_type_unset, + ir_type_variable, + ir_type_assignment, + ir_type_call, + ir_type_constant, + ir_type_dereference_array, + ir_type_dereference_record, + ir_type_dereference_variable, + ir_type_discard, + ir_type_expression, + ir_type_function, + ir_type_function_signature, + ir_type_if, + ir_type_loop, + ir_type_loop_jump, + ir_type_return, + ir_type_swizzle, + ir_type_texture, + ir_type_max /**< maximum ir_type enum number, for validation */ +}; + +/** + * Base class of all IR instructions + */ +class ir_instruction : public exec_node { +public: + enum ir_node_type ir_type; + const struct glsl_type *type; + + /** ir_print_visitor helper for debugging. */ + void print(void) const; + + virtual void accept(ir_visitor *) = 0; + virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; + virtual ir_instruction *clone(void *mem_ctx, + struct hash_table *ht) const = 0; + + /** + * \name IR instruction downcast functions + * + * These functions either cast the object to a derived class or return + * \c NULL if the object's type does not match the specified derived class. + * Additional downcast functions will be added as needed. + */ + /*@{*/ + virtual class ir_variable * as_variable() { return NULL; } + virtual class ir_function * as_function() { return NULL; } + virtual class ir_dereference * as_dereference() { return NULL; } + virtual class ir_dereference_array * as_dereference_array() { return NULL; } + virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } + virtual class ir_expression * as_expression() { return NULL; } + virtual class ir_rvalue * as_rvalue() { return NULL; } + virtual class ir_loop * as_loop() { return NULL; } + virtual class ir_assignment * as_assignment() { return NULL; } + virtual class ir_call * as_call() { return NULL; } + virtual class ir_return * as_return() { return NULL; } + virtual class ir_if * as_if() { return NULL; } + virtual class ir_swizzle * as_swizzle() { return NULL; } + virtual class ir_constant * as_constant() { return NULL; } + /*@}*/ + +protected: + ir_instruction() + { + ir_type = ir_type_unset; + type = NULL; + } +}; + + +class ir_rvalue : public ir_instruction { +public: + virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const = 0; + + virtual ir_constant *constant_expression_value() = 0; + + virtual ir_rvalue * as_rvalue() + { + return this; + } + + virtual bool is_lvalue() + { + return false; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return NULL; + } + + + /** + * If an r-value is a reference to a whole variable, get that variable + * + * \return + * Pointer to a variable that is completely dereferenced by the r-value. If + * the r-value is not a dereference or the dereference does not access the + * entire variable (i.e., it's just one array element, struct field), \c NULL + * is returned. + */ + virtual ir_variable *whole_variable_referenced() + { + return NULL; + } + +protected: + ir_rvalue(); +}; + + +/** + * Variable storage classes + */ +enum ir_variable_mode { + ir_var_auto = 0, /**< Function local variables and globals. */ + ir_var_uniform, /**< Variable declared as a uniform. */ + ir_var_in, + ir_var_out, + ir_var_inout, + ir_var_temporary /**< Temporary variable generated during compilation. */ +}; + +enum ir_variable_interpolation { + ir_var_smooth = 0, + ir_var_flat, + ir_var_noperspective +}; + + +class ir_variable : public ir_instruction { +public: + ir_variable(const struct glsl_type *, const char *, ir_variable_mode); + + virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_variable *as_variable() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + + /** + * Get the string value for the interpolation qualifier + * + * \return The string that would be used in a shader to specify \c + * mode will be returned. + * + * This function should only be used on a shader input or output variable. + */ + const char *interpolation_string() const; + + /** + * Calculate the number of slots required to hold this variable + * + * This is used to determine how many uniform or varying locations a variable + * occupies. The count is in units of floating point components. + */ + unsigned component_slots() const; + + /** + * Delcared name of the variable + */ + const char *name; + + /** + * Highest element accessed with a constant expression array index + * + * Not used for non-array variables. + */ + unsigned max_array_access; + + /** + * Is the variable read-only? + * + * This is set for variables declared as \c const, shader inputs, + * and uniforms. + */ + unsigned read_only:1; + unsigned centroid:1; + unsigned invariant:1; + + /** + * Storage class of the variable. + * + * \sa ir_variable_mode + */ + unsigned mode:3; + + /** + * Interpolation mode for shader inputs / outputs + * + * \sa ir_variable_interpolation + */ + unsigned interpolation:2; + + /** + * Flag that the whole array is assignable + * + * In GLSL 1.20 and later whole arrays are assignable (and comparable for + * equality). This flag enables this behavior. + */ + unsigned array_lvalue:1; + + /** + * \name ARB_fragment_coord_conventions + * @{ + */ + unsigned origin_upper_left:1; + unsigned pixel_center_integer:1; + /*@}*/ + + /** + * Storage location of the base of this variable + * + * The precise meaning of this field depends on the nature of the variable. + * + * - Vertex shader input: one of the values from \c gl_vert_attrib. + * - Vertex shader output: one of the values from \c gl_vert_result. + * - Fragment shader input: one of the values from \c gl_frag_attrib. + * - Fragment shader output: one of the values from \c gl_frag_result. + * - Uniforms: Per-stage uniform slot number. + * - Other: This field is not currently used. + * + * If the variable is a uniform, shader input, or shader output, and the + * slot has not been assigned, the value will be -1. + */ + int location; + + /** + * Emit a warning if this variable is accessed. + */ + const char *warn_extension; + + /** + * Value assigned in the initializer of a variable declared "const" + */ + ir_constant *constant_value; +}; + + +/*@{*/ +/** + * The representation of a function instance; may be the full definition or + * simply a prototype. + */ +class ir_function_signature : public ir_instruction { + /* An ir_function_signature will be part of the list of signatures in + * an ir_function. + */ +public: + ir_function_signature(const glsl_type *return_type); + + virtual ir_function_signature *clone(void *mem_ctx, + struct hash_table *ht) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Get the name of the function for which this is a signature + */ + const char *function_name() const; + + /** + * Get a handle to the function for which this is a signature + * + * There is no setter function, this function returns a \c const pointer, + * and \c ir_function_signature::_function is private for a reason. The + * only way to make a connection between a function and function signature + * is via \c ir_function::add_signature. This helps ensure that certain + * invariants (i.e., a function signature is in the list of signatures for + * its \c _function) are met. + * + * \sa ir_function::add_signature + */ + inline const class ir_function *function() const + { + return this->_function; + } + + /** + * Check whether the qualifiers match between this signature's parameters + * and the supplied parameter list. If not, returns the name of the first + * parameter with mismatched qualifiers (for use in error messages). + */ + const char *qualifiers_match(exec_list *params); + + /** + * Replace the current parameter list with the given one. This is useful + * if the current information came from a prototype, and either has invalid + * or missing parameter names. + */ + void replace_parameters(exec_list *new_params); + + /** + * Function return type. + * + * \note This discards the optional precision qualifier. + */ + const struct glsl_type *return_type; + + /** + * List of ir_variable of function parameters. + * + * This represents the storage. The paramaters passed in a particular + * call will be in ir_call::actual_paramaters. + */ + struct exec_list parameters; + + /** Whether or not this function has a body (which may be empty). */ + unsigned is_defined:1; + + /** Whether or not this function signature is a built-in. */ + unsigned is_builtin:1; + + /** Body of instructions in the function. */ + struct exec_list body; + +private: + /** Function of which this signature is one overload. */ + class ir_function *_function; + + friend class ir_function; +}; + + +/** + * Header for tracking multiple overloaded functions with the same name. + * Contains a list of ir_function_signatures representing each of the + * actual functions. + */ +class ir_function : public ir_instruction { +public: + ir_function(const char *name); + + virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_function *as_function() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + void add_signature(ir_function_signature *sig) + { + sig->_function = this; + this->signatures.push_tail(sig); + } + + /** + * Get an iterator for the set of function signatures + */ + exec_list_iterator iterator() + { + return signatures.iterator(); + } + + /** + * Find a signature that matches a set of actual parameters, taking implicit + * conversions into account. + */ + ir_function_signature *matching_signature(const exec_list *actual_param); + + /** + * Find a signature that exactly matches a set of actual parameters without + * any implicit type conversions. + */ + ir_function_signature *exact_matching_signature(const exec_list *actual_ps); + + /** + * Name of the function. + */ + const char *name; + + /** Whether or not this function has a signature that isn't a built-in. */ + bool has_user_signature(); + + /** + * List of ir_function_signature for each overloaded function with this name. + */ + struct exec_list signatures; +}; + +inline const char *ir_function_signature::function_name() const +{ + return this->_function->name; +} +/*@}*/ + + +/** + * IR instruction representing high-level if-statements + */ +class ir_if : public ir_instruction { +public: + ir_if(ir_rvalue *condition) + : condition(condition) + { + ir_type = ir_type_if; + } + + virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_if *as_if() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *condition; + /** List of ir_instruction for the body of the then branch */ + exec_list then_instructions; + /** List of ir_instruction for the body of the else branch */ + exec_list else_instructions; +}; + + +/** + * IR instruction representing a high-level loop structure. + */ +class ir_loop : public ir_instruction { +public: + ir_loop(); + + virtual ir_loop *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + virtual ir_loop *as_loop() + { + return this; + } + + /** + * Get an iterator for the instructions of the loop body + */ + exec_list_iterator iterator() + { + return body_instructions.iterator(); + } + + /** List of ir_instruction that make up the body of the loop. */ + exec_list body_instructions; + + /** + * \name Loop counter and controls + * + * Represents a loop like a FORTRAN \c do-loop. + * + * \note + * If \c from and \c to are the same value, the loop will execute once. + */ + /*@{*/ + ir_rvalue *from; /** Value of the loop counter on the first + * iteration of the loop. + */ + ir_rvalue *to; /** Value of the loop counter on the last + * iteration of the loop. + */ + ir_rvalue *increment; + ir_variable *counter; + + /** + * Comparison operation in the loop terminator. + * + * If any of the loop control fields are non-\c NULL, this field must be + * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal, + * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal. + */ + int cmp; + /*@}*/ +}; + + +class ir_assignment : public ir_instruction { +public: + ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); + + /** + * Construct an assignment with an explicit write mask + * + * \note + * Since a write mask is supplied, the LHS must already be a bare + * \c ir_dereference. The cannot be any swizzles in the LHS. + */ + ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, ir_rvalue *condition, + unsigned write_mask); + + virtual ir_assignment *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_constant *constant_expression_value(); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + virtual ir_assignment * as_assignment() + { + return this; + } + + /** + * Get a whole variable written by an assignment + * + * If the LHS of the assignment writes a whole variable, the variable is + * returned. Otherwise \c NULL is returned. Examples of whole-variable + * assignment are: + * + * - Assigning to a scalar + * - Assigning to all components of a vector + * - Whole array (or matrix) assignment + * - Whole structure assignment + */ + ir_variable *whole_variable_written(); + + /** + * Set the LHS of an assignment + */ + void set_lhs(ir_rvalue *lhs); + + /** + * Left-hand side of the assignment. + * + * This should be treated as read only. If you need to set the LHS of an + * assignment, use \c ir_assignment::set_lhs. + */ + ir_dereference *lhs; + + /** + * Value being assigned + */ + ir_rvalue *rhs; + + /** + * Optional condition for the assignment. + */ + ir_rvalue *condition; + + + /** + * Component mask written + * + * For non-vector types in the LHS, this field will be zero. For vector + * types, a bit will be set for each component that is written. Note that + * for \c vec2 and \c vec3 types only the lower bits will ever be set. + * + * A partially-set write mask means that each enabled channel gets + * the value from a consecutive channel of the rhs. For example, + * to write just .xyw of gl_FrontColor with color: + * + * (assign (constant bool (1)) (xyw) + * (var_ref gl_FragColor) + * (swiz xyw (var_ref color))) + */ + unsigned write_mask:4; +}; + +/* Update ir_expression::num_operands() and operator_strs when + * updating this list. + */ +enum ir_expression_operation { + ir_unop_bit_not, + ir_unop_logic_not, + ir_unop_neg, + ir_unop_abs, + ir_unop_sign, + ir_unop_rcp, + ir_unop_rsq, + ir_unop_sqrt, + ir_unop_exp, /**< Log base e on gentype */ + ir_unop_log, /**< Natural log on gentype */ + ir_unop_exp2, + ir_unop_log2, + ir_unop_f2i, /**< Float-to-integer conversion. */ + ir_unop_i2f, /**< Integer-to-float conversion. */ + ir_unop_f2b, /**< Float-to-boolean conversion */ + ir_unop_b2f, /**< Boolean-to-float conversion */ + ir_unop_i2b, /**< int-to-boolean conversion */ + ir_unop_b2i, /**< Boolean-to-int conversion */ + ir_unop_u2f, /**< Unsigned-to-float conversion. */ + ir_unop_any, + + /** + * \name Unary floating-point rounding operations. + */ + /*@{*/ + ir_unop_trunc, + ir_unop_ceil, + ir_unop_floor, + ir_unop_fract, + /*@}*/ + + /** + * \name Trigonometric operations. + */ + /*@{*/ + ir_unop_sin, + ir_unop_cos, + /*@}*/ + + /** + * \name Partial derivatives. + */ + /*@{*/ + ir_unop_dFdx, + ir_unop_dFdy, + /*@}*/ + + ir_unop_noise, + + ir_binop_add, + ir_binop_sub, + ir_binop_mul, + ir_binop_div, + + /** + * Takes one of two combinations of arguments: + * + * - mod(vecN, vecN) + * - mod(vecN, float) + * + * Does not take integer types. + */ + ir_binop_mod, + + /** + * \name Binary comparison operators which return a boolean vector. + * The type of both operands must be equal. + */ + /*@{*/ + ir_binop_less, + ir_binop_greater, + ir_binop_lequal, + ir_binop_gequal, + ir_binop_equal, + ir_binop_nequal, + /** + * Returns single boolean for whether all components of operands[0] + * equal the components of operands[1]. + */ + ir_binop_all_equal, + /** + * Returns single boolean for whether any component of operands[0] + * is not equal to the corresponding component of operands[1]. + */ + ir_binop_any_nequal, + /*@}*/ + + /** + * \name Bit-wise binary operations. + */ + /*@{*/ + ir_binop_lshift, + ir_binop_rshift, + ir_binop_bit_and, + ir_binop_bit_xor, + ir_binop_bit_or, + /*@}*/ + + ir_binop_logic_and, + ir_binop_logic_xor, + ir_binop_logic_or, + + ir_binop_dot, + ir_binop_cross, + ir_binop_min, + ir_binop_max, + + ir_binop_pow +}; + +class ir_expression : public ir_rvalue { +public: + ir_expression(int op, const struct glsl_type *type, + ir_rvalue *, ir_rvalue *); + + virtual ir_expression *as_expression() + { + return this; + } + + virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const; + + /** + * Attempt to constant-fold the expression + * + * If the expression cannot be constant folded, this method will return + * \c NULL. + */ + virtual ir_constant *constant_expression_value(); + + /** + * Determine the number of operands used by an expression + */ + static unsigned int get_num_operands(ir_expression_operation); + + /** + * Determine the number of operands used by an expression + */ + unsigned int get_num_operands() const + { + return get_num_operands(operation); + } + + /** + * Return a string representing this expression's operator. + */ + const char *operator_string(); + + /** + * Return a string representing this expression's operator. + */ + static const char *operator_string(ir_expression_operation); + + + /** + * Do a reverse-lookup to translate the given string into an operator. + */ + static ir_expression_operation get_operator(const char *); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_expression_operation operation; + ir_rvalue *operands[2]; +}; + + +/** + * IR instruction representing a function call + */ +class ir_call : public ir_rvalue { +public: + ir_call(ir_function_signature *callee, exec_list *actual_parameters) + : callee(callee) + { + ir_type = ir_type_call; + assert(callee->return_type != NULL); + type = callee->return_type; + actual_parameters->move_nodes_to(& this->actual_parameters); + } + + virtual ir_call *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_call *as_call() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Get a generic ir_call object when an error occurs + * + * Any allocation will be performed with 'ctx' as talloc owner. + */ + static ir_call *get_error_instruction(void *ctx); + + /** + * Get an iterator for the set of acutal parameters + */ + exec_list_iterator iterator() + { + return actual_parameters.iterator(); + } + + /** + * Get the name of the function being called. + */ + const char *callee_name() const + { + return callee->function_name(); + } + + /** + * Get the function signature bound to this function call + */ + ir_function_signature *get_callee() + { + return callee; + } + + /** + * Set the function call target + */ + void set_callee(ir_function_signature *sig); + + /** + * Generates an inline version of the function before @ir, + * returning the return value of the function. + */ + ir_rvalue *generate_inline(ir_instruction *ir); + + /* List of ir_rvalue of paramaters passed in this call. */ + exec_list actual_parameters; + +private: + ir_call() + : callee(NULL) + { + this->ir_type = ir_type_call; + } + + ir_function_signature *callee; +}; + + +/** + * \name Jump-like IR instructions. + * + * These include \c break, \c continue, \c return, and \c discard. + */ +/*@{*/ +class ir_jump : public ir_instruction { +protected: + ir_jump() + { + ir_type = ir_type_unset; + } +}; + +class ir_return : public ir_jump { +public: + ir_return() + : value(NULL) + { + this->ir_type = ir_type_return; + } + + ir_return(ir_rvalue *value) + : value(value) + { + this->ir_type = ir_type_return; + } + + virtual ir_return *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_return *as_return() + { + return this; + } + + ir_rvalue *get_value() const + { + return value; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *value; +}; + + +/** + * Jump instructions used inside loops + * + * These include \c break and \c continue. The \c break within a loop is + * different from the \c break within a switch-statement. + * + * \sa ir_switch_jump + */ +class ir_loop_jump : public ir_jump { +public: + enum jump_mode { + jump_break, + jump_continue + }; + + ir_loop_jump(jump_mode mode) + { + this->ir_type = ir_type_loop_jump; + this->mode = mode; + this->loop = loop; + } + + virtual ir_loop_jump *clone(void *mem_ctx, struct hash_table *) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + bool is_break() const + { + return mode == jump_break; + } + + bool is_continue() const + { + return mode == jump_continue; + } + + /** Mode selector for the jump instruction. */ + enum jump_mode mode; +private: + /** Loop containing this break instruction. */ + ir_loop *loop; +}; + +/** + * IR instruction representing discard statements. + */ +class ir_discard : public ir_jump { +public: + ir_discard() + { + this->ir_type = ir_type_discard; + this->condition = NULL; + } + + ir_discard(ir_rvalue *cond) + { + this->ir_type = ir_type_discard; + this->condition = cond; + } + + virtual ir_discard *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *condition; +}; +/*@}*/ + + +/** + * Texture sampling opcodes used in ir_texture + */ +enum ir_texture_opcode { + ir_tex, /**< Regular texture look-up */ + ir_txb, /**< Texture look-up with LOD bias */ + ir_txl, /**< Texture look-up with explicit LOD */ + ir_txd, /**< Texture look-up with partial derivatvies */ + ir_txf /**< Texel fetch with explicit LOD */ +}; + + +/** + * IR instruction to sample a texture + * + * The specific form of the IR instruction depends on the \c mode value + * selected from \c ir_texture_opcodes. In the printed IR, these will + * appear as: + * + * Texel offset + * | Projection divisor + * | | Shadow comparitor + * | | | + * v v v + * (tex (sampler) (coordinate) (0 0 0) (1) ( )) + * (txb (sampler) (coordinate) (0 0 0) (1) ( ) (bias)) + * (txl (sampler) (coordinate) (0 0 0) (1) ( ) (lod)) + * (txd (sampler) (coordinate) (0 0 0) (1) ( ) (dPdx dPdy)) + * (txf (sampler) (coordinate) (0 0 0) (lod)) + */ +class ir_texture : public ir_rvalue { +public: + ir_texture(enum ir_texture_opcode op) + : op(op), projector(NULL), shadow_comparitor(NULL) + { + this->ir_type = ir_type_texture; + } + + virtual ir_texture *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Return a string representing the ir_texture_opcode. + */ + const char *opcode_string(); + + /** Set the sampler and infer the type. */ + void set_sampler(ir_dereference *sampler); + + /** + * Do a reverse-lookup to translate a string into an ir_texture_opcode. + */ + static ir_texture_opcode get_opcode(const char *); + + enum ir_texture_opcode op; + + /** Sampler to use for the texture access. */ + ir_dereference *sampler; + + /** Texture coordinate to sample */ + ir_rvalue *coordinate; + + /** + * Value used for projective divide. + * + * If there is no projective divide (the common case), this will be + * \c NULL. Optimization passes should check for this to point to a constant + * of 1.0 and replace that with \c NULL. + */ + ir_rvalue *projector; + + /** + * Coordinate used for comparison on shadow look-ups. + * + * If there is no shadow comparison, this will be \c NULL. For the + * \c ir_txf opcode, this *must* be \c NULL. + */ + ir_rvalue *shadow_comparitor; + + /** Explicit texel offsets. */ + signed char offsets[3]; + + union { + ir_rvalue *lod; /**< Floating point LOD */ + ir_rvalue *bias; /**< Floating point LOD bias */ + struct { + ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ + ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ + } grad; + } lod_info; +}; + + +struct ir_swizzle_mask { + unsigned x:2; + unsigned y:2; + unsigned z:2; + unsigned w:2; + + /** + * Number of components in the swizzle. + */ + unsigned num_components:3; + + /** + * Does the swizzle contain duplicate components? + * + * L-value swizzles cannot contain duplicate components. + */ + unsigned has_duplicates:1; +}; + + +class ir_swizzle : public ir_rvalue { +public: + ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, + unsigned count); + + ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); + + ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); + + virtual ir_swizzle *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_swizzle *as_swizzle() + { + return this; + } + + /** + * Construct an ir_swizzle from the textual representation. Can fail. + */ + static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + bool is_lvalue() + { + return val->is_lvalue() && !mask.has_duplicates; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced(); + + ir_rvalue *val; + ir_swizzle_mask mask; + +private: + /** + * Initialize the mask component of a swizzle + * + * This is used by the \c ir_swizzle constructors. + */ + void init_mask(const unsigned *components, unsigned count); +}; + + +class ir_dereference : public ir_rvalue { +public: + virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0; + + virtual ir_dereference *as_dereference() + { + return this; + } + + bool is_lvalue(); + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() = 0; +}; + + +class ir_dereference_variable : public ir_dereference { +public: + ir_dereference_variable(ir_variable *var); + + virtual ir_dereference_variable *clone(void *mem_ctx, + struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_dereference_variable *as_dereference_variable() + { + return this; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return this->var; + } + + virtual ir_variable *whole_variable_referenced() + { + /* ir_dereference_variable objects always dereference the entire + * variable. However, if this dereference is dereferenced by anything + * else, the complete deferefernce chain is not a whole-variable + * dereference. This method should only be called on the top most + * ir_rvalue in a dereference chain. + */ + return this->var; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Object being dereferenced. + */ + ir_variable *var; +}; + + +class ir_dereference_array : public ir_dereference { +public: + ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); + + ir_dereference_array(ir_variable *var, ir_rvalue *array_index); + + virtual ir_dereference_array *clone(void *mem_ctx, + struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_dereference_array *as_dereference_array() + { + return this; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return this->array->variable_referenced(); + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *array; + ir_rvalue *array_index; + +private: + void set_array(ir_rvalue *value); +}; + + +class ir_dereference_record : public ir_dereference { +public: + ir_dereference_record(ir_rvalue *value, const char *field); + + ir_dereference_record(ir_variable *var, const char *field); + + virtual ir_dereference_record *clone(void *mem_ctx, + struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return this->record->variable_referenced(); + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *record; + const char *field; +}; + + +/** + * Data stored in an ir_constant + */ +union ir_constant_data { + unsigned u[16]; + int i[16]; + float f[16]; + bool b[16]; +}; + + +class ir_constant : public ir_rvalue { +public: + ir_constant(const struct glsl_type *type, const ir_constant_data *data); + ir_constant(bool b); + ir_constant(unsigned int u); + ir_constant(int i); + ir_constant(float f); + + /** + * Construct an ir_constant from a list of ir_constant values + */ + ir_constant(const struct glsl_type *type, exec_list *values); + + /** + * Construct an ir_constant from a scalar component of another ir_constant + * + * The new \c ir_constant inherits the type of the component from the + * source constant. + * + * \note + * In the case of a matrix constant, the new constant is a scalar, \b not + * a vector. + */ + ir_constant(const ir_constant *c, unsigned i); + + /** + * Return a new ir_constant of the specified type containing all zeros. + */ + static ir_constant *zero(void *mem_ctx, const glsl_type *type); + + virtual ir_constant *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_constant *as_constant() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Get a particular component of a constant as a specific type + * + * This is useful, for example, to get a value from an integer constant + * as a float or bool. This appears frequently when constructors are + * called with all constant parameters. + */ + /*@{*/ + bool get_bool_component(unsigned i) const; + float get_float_component(unsigned i) const; + int get_int_component(unsigned i) const; + unsigned get_uint_component(unsigned i) const; + /*@}*/ + + ir_constant *get_array_element(unsigned i) const; + + ir_constant *get_record_field(const char *name); + + /** + * Determine whether a constant has the same value as another constant + */ + bool has_value(const ir_constant *) const; + + /** + * Value of the constant. + * + * The field used to back the values supplied by the constant is determined + * by the type associated with the \c ir_instruction. Constants may be + * scalars, vectors, or matrices. + */ + union ir_constant_data value; + + /* Array elements */ + ir_constant **array_elements; + + /* Structure fields */ + exec_list components; + +private: + /** + * Parameterless constructor only used by the clone method + */ + ir_constant(void); +}; + +/*@}*/ + +/** + * Apply a visitor to each IR node in a list + */ +void +visit_exec_list(exec_list *list, ir_visitor *visitor); + +/** + * Validate invariants on each IR node in a list + */ +void validate_ir_tree(exec_list *instructions); + +/** + * Make a clone of each IR instruction in a list + * + * \param in List of IR instructions that are to be cloned + * \param out List to hold the cloned instructions + */ +void +clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in); + +extern void +_mesa_glsl_initialize_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +extern void +_mesa_glsl_initialize_functions(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +extern void +_mesa_glsl_release_functions(void); + +extern void +reparent_ir(exec_list *list, void *mem_ctx); + +struct glsl_symbol_table; + +extern void +import_prototypes(const exec_list *source, exec_list *dest, + struct glsl_symbol_table *symbols, void *mem_ctx); + +extern bool +ir_has_call(ir_instruction *ir); + +extern void +do_set_program_inouts(exec_list *instructions, struct gl_program *prog); + +#endif /* IR_H */ diff --git a/mesalib/src/glsl/ir_algebraic.cpp b/mesalib/src/glsl/ir_algebraic.cpp new file mode 100644 index 000000000..2ed66db47 --- /dev/null +++ b/mesalib/src/glsl/ir_algebraic.cpp @@ -0,0 +1,474 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_algebraic.cpp + * + * Takes advantage of association, commutivity, and other algebraic + * properties to simplify expressions. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +/** + * Visitor class for replacing expressions with ir_constant values. + */ + +class ir_algebraic_visitor : public ir_rvalue_visitor { +public: + ir_algebraic_visitor() + { + this->progress = false; + this->mem_ctx = NULL; + } + + virtual ~ir_algebraic_visitor() + { + } + + ir_rvalue *handle_expression(ir_expression *ir); + void handle_rvalue(ir_rvalue **rvalue); + bool reassociate_constant(ir_expression *ir1, + int const_index, + ir_constant *constant, + ir_expression *ir2); + void reassociate_operands(ir_expression *ir1, + int op1, + ir_expression *ir2, + int op2); + ir_rvalue *swizzle_if_required(ir_expression *expr, + ir_rvalue *operand); + + void *mem_ctx; + + bool progress; +}; + +static bool +is_vec_zero(ir_constant *ir) +{ + int c; + + if (!ir) + return false; + if (!ir->type->is_scalar() && + !ir->type->is_vector()) + return false; + + for (c = 0; c < ir->type->vector_elements; c++) { + switch (ir->type->base_type) { + case GLSL_TYPE_FLOAT: + if (ir->value.f[c] != 0.0) + return false; + break; + case GLSL_TYPE_INT: + if (ir->value.i[c] != 0) + return false; + break; + case GLSL_TYPE_UINT: + if (ir->value.u[c] != 0) + return false; + break; + case GLSL_TYPE_BOOL: + if (ir->value.b[c] != false) + return false; + break; + default: + assert(!"bad base type"); + return false; + } + } + + return true; +} + +static bool +is_vec_one(ir_constant *ir) +{ + int c; + + if (!ir) + return false; + if (!ir->type->is_scalar() && + !ir->type->is_vector()) + return false; + + for (c = 0; c < ir->type->vector_elements; c++) { + switch (ir->type->base_type) { + case GLSL_TYPE_FLOAT: + if (ir->value.f[c] != 1.0) + return false; + break; + case GLSL_TYPE_INT: + if (ir->value.i[c] != 1) + return false; + break; + case GLSL_TYPE_UINT: + if (ir->value.u[c] != 1) + return false; + break; + case GLSL_TYPE_BOOL: + if (ir->value.b[c] != true) + return false; + break; + default: + assert(!"bad base type"); + return false; + } + } + + return true; +} + +static void +update_type(ir_expression *ir) +{ + if (ir->operands[0]->type->is_vector()) + ir->type = ir->operands[0]->type; + else + ir->type = ir->operands[1]->type; +} + +void +ir_algebraic_visitor::reassociate_operands(ir_expression *ir1, + int op1, + ir_expression *ir2, + int op2) +{ + ir_rvalue *temp = ir2->operands[op2]; + ir2->operands[op2] = ir1->operands[op1]; + ir1->operands[op1] = temp; + + /* Update the type of ir2. The type of ir1 won't have changed -- + * base types matched, and at least one of the operands of the 2 + * binops is still a vector if any of them were. + */ + update_type(ir2); + + this->progress = true; +} + +/** + * Reassociates a constant down a tree of adds or multiplies. + * + * Consider (2 * (a * (b * 0.5))). We want to send up with a * b. + */ +bool +ir_algebraic_visitor::reassociate_constant(ir_expression *ir1, int const_index, + ir_constant *constant, + ir_expression *ir2) +{ + if (!ir2 || ir1->operation != ir2->operation) + return false; + + /* Don't want to even think about matrices. */ + if (ir1->operands[0]->type->is_matrix() || + ir1->operands[0]->type->is_matrix() || + ir2->operands[1]->type->is_matrix() || + ir2->operands[1]->type->is_matrix()) + return false; + + ir_constant *ir2_const[2]; + ir2_const[0] = ir2->operands[0]->constant_expression_value(); + ir2_const[1] = ir2->operands[1]->constant_expression_value(); + + if (ir2_const[0] && ir2_const[1]) + return false; + + if (ir2_const[0]) { + reassociate_operands(ir1, const_index, ir2, 1); + return true; + } else if (ir2_const[1]) { + reassociate_operands(ir1, const_index, ir2, 0); + return true; + } + + if (reassociate_constant(ir1, const_index, constant, + ir2->operands[0]->as_expression())) { + update_type(ir2); + return true; + } + + if (reassociate_constant(ir1, const_index, constant, + ir2->operands[1]->as_expression())) { + update_type(ir2); + return true; + } + + return false; +} + +/* When eliminating an expression and just returning one of its operands, + * we may need to swizzle that operand out to a vector if the expression was + * vector type. + */ +ir_rvalue * +ir_algebraic_visitor::swizzle_if_required(ir_expression *expr, + ir_rvalue *operand) +{ + if (expr->type->is_vector() && operand->type->is_scalar()) { + return new(mem_ctx) ir_swizzle(operand, 0, 0, 0, 0, + expr->type->vector_elements); + } else + return operand; +} + +ir_rvalue * +ir_algebraic_visitor::handle_expression(ir_expression *ir) +{ + ir_constant *op_const[2] = {NULL, NULL}; + ir_expression *op_expr[2] = {NULL, NULL}; + ir_expression *temp; + unsigned int i; + + for (i = 0; i < ir->get_num_operands(); i++) { + if (ir->operands[i]->type->is_matrix()) + return ir; + + op_const[i] = ir->operands[i]->constant_expression_value(); + op_expr[i] = ir->operands[i]->as_expression(); + } + + if (this->mem_ctx == NULL) + this->mem_ctx = talloc_parent(ir); + + switch (ir->operation) { + case ir_unop_logic_not: { + enum ir_expression_operation new_op = ir_unop_logic_not; + + if (op_expr[0] == NULL) + break; + + switch (op_expr[0]->operation) { + case ir_binop_less: new_op = ir_binop_gequal; break; + case ir_binop_greater: new_op = ir_binop_lequal; break; + case ir_binop_lequal: new_op = ir_binop_greater; break; + case ir_binop_gequal: new_op = ir_binop_less; break; + case ir_binop_equal: new_op = ir_binop_nequal; break; + case ir_binop_nequal: new_op = ir_binop_equal; break; + case ir_binop_all_equal: new_op = ir_binop_any_nequal; break; + case ir_binop_any_nequal: new_op = ir_binop_all_equal; break; + + default: + /* The default case handler is here to silence a warning from GCC. + */ + break; + } + + if (new_op != ir_unop_logic_not) { + this->progress = true; + return new(mem_ctx) ir_expression(new_op, + ir->type, + op_expr[0]->operands[0], + op_expr[0]->operands[1]); + } + + break; + } + + case ir_binop_add: + if (is_vec_zero(op_const[0])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[1]); + } + if (is_vec_zero(op_const[1])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[0]); + } + + /* Reassociate addition of constants so that we can do constant + * folding. + */ + if (op_const[0] && !op_const[1]) + reassociate_constant(ir, 0, op_const[0], + ir->operands[1]->as_expression()); + if (op_const[1] && !op_const[0]) + reassociate_constant(ir, 1, op_const[1], + ir->operands[0]->as_expression()); + break; + + case ir_binop_sub: + if (is_vec_zero(op_const[0])) { + this->progress = true; + temp = new(mem_ctx) ir_expression(ir_unop_neg, + ir->operands[1]->type, + ir->operands[1], + NULL); + return swizzle_if_required(ir, temp); + } + if (is_vec_zero(op_const[1])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[0]); + } + break; + + case ir_binop_mul: + if (is_vec_one(op_const[0])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[1]); + } + if (is_vec_one(op_const[1])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[0]); + } + + if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1])) { + this->progress = true; + return ir_constant::zero(ir, ir->type); + } + + /* Reassociate multiplication of constants so that we can do + * constant folding. + */ + if (op_const[0] && !op_const[1]) + reassociate_constant(ir, 0, op_const[0], + ir->operands[1]->as_expression()); + if (op_const[1] && !op_const[0]) + reassociate_constant(ir, 1, op_const[1], + ir->operands[0]->as_expression()); + + break; + + case ir_binop_div: + if (is_vec_one(op_const[0]) && ir->type->base_type == GLSL_TYPE_FLOAT) { + this->progress = true; + temp = new(mem_ctx) ir_expression(ir_unop_rcp, + ir->operands[1]->type, + ir->operands[1], + NULL); + return swizzle_if_required(ir, temp); + } + if (is_vec_one(op_const[1])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[0]); + } + break; + + case ir_binop_logic_and: + /* FINISHME: Also simplify (a && a) to (a). */ + if (is_vec_one(op_const[0])) { + this->progress = true; + return ir->operands[1]; + } else if (is_vec_one(op_const[1])) { + this->progress = true; + return ir->operands[0]; + } else if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1])) { + this->progress = true; + return ir_constant::zero(mem_ctx, ir->type); + } + break; + + case ir_binop_logic_xor: + /* FINISHME: Also simplify (a ^^ a) to (false). */ + if (is_vec_zero(op_const[0])) { + this->progress = true; + return ir->operands[1]; + } else if (is_vec_zero(op_const[1])) { + this->progress = true; + return ir->operands[0]; + } else if (is_vec_one(op_const[0])) { + this->progress = true; + return new(mem_ctx) ir_expression(ir_unop_logic_not, ir->type, + ir->operands[1], NULL); + } else if (is_vec_one(op_const[1])) { + this->progress = true; + return new(mem_ctx) ir_expression(ir_unop_logic_not, ir->type, + ir->operands[0], NULL); + } + break; + + case ir_binop_logic_or: + /* FINISHME: Also simplify (a || a) to (a). */ + if (is_vec_zero(op_const[0])) { + this->progress = true; + return ir->operands[1]; + } else if (is_vec_zero(op_const[1])) { + this->progress = true; + return ir->operands[0]; + } else if (is_vec_one(op_const[0]) || is_vec_one(op_const[1])) { + ir_constant_data data; + + for (unsigned i = 0; i < 16; i++) + data.b[i] = true; + + this->progress = true; + return new(mem_ctx) ir_constant(ir->type, &data); + } + break; + + case ir_unop_rcp: + if (op_expr[0] && op_expr[0]->operation == ir_unop_rcp) { + this->progress = true; + return op_expr[0]->operands[0]; + } + + /* FINISHME: We should do rcp(rsq(x)) -> sqrt(x) for some + * backends, except that some backends will have done sqrt -> + * rcp(rsq(x)) and we don't want to undo it for them. + */ + + /* As far as we know, all backends are OK with rsq. */ + if (op_expr[0] && op_expr[0]->operation == ir_unop_sqrt) { + this->progress = true; + temp = new(mem_ctx) ir_expression(ir_unop_rsq, + op_expr[0]->operands[0]->type, + op_expr[0]->operands[0], + NULL); + return swizzle_if_required(ir, temp); + } + + break; + + default: + break; + } + + return ir; +} + +void +ir_algebraic_visitor::handle_rvalue(ir_rvalue **rvalue) +{ + if (!*rvalue) + return; + + ir_expression *expr = (*rvalue)->as_expression(); + if (!expr) + return; + + *rvalue = handle_expression(expr); +} + +bool +do_algebraic(exec_list *instructions) +{ + ir_algebraic_visitor v; + + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_basic_block.cpp b/mesalib/src/glsl/ir_basic_block.cpp new file mode 100644 index 000000000..a83382596 --- /dev/null +++ b/mesalib/src/glsl/ir_basic_block.cpp @@ -0,0 +1,149 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_basic_block.cpp + * + * Basic block analysis of instruction streams. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_basic_block.h" +#include "glsl_types.h" + +class ir_has_call_visitor : public ir_hierarchical_visitor { +public: + ir_has_call_visitor() + { + has_call = false; + } + + virtual ir_visitor_status visit_enter(ir_call *ir) + { + (void) ir; + has_call = true; + return visit_stop; + } + + bool has_call; +}; + +bool +ir_has_call(ir_instruction *ir) +{ + ir_has_call_visitor v; + ir->accept(&v); + return v.has_call; +} + +/** + * Calls a user function for every basic block in the instruction stream. + * + * Basic block analysis is pretty easy in our IR thanks to the lack of + * unstructured control flow. We've got: + * + * ir_loop (for () {}, while () {}, do {} while ()) + * ir_loop_jump ( + * ir_if () {} + * ir_return + * ir_call() + * + * Note that the basic blocks returned by this don't encompass all + * operations performed by the program -- for example, if conditions + * don't get returned, nor do the assignments that will be generated + * for ir_call parameters. + */ +void call_for_basic_blocks(exec_list *instructions, + void (*callback)(ir_instruction *first, + ir_instruction *last, + void *data), + void *data) +{ + ir_instruction *leader = NULL; + ir_instruction *last = NULL; + + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + ir_if *ir_if; + ir_loop *ir_loop; + ir_function *ir_function; + + if (!leader) + leader = ir; + + if ((ir_if = ir->as_if())) { + callback(leader, ir, data); + leader = NULL; + + call_for_basic_blocks(&ir_if->then_instructions, callback, data); + call_for_basic_blocks(&ir_if->else_instructions, callback, data); + } else if ((ir_loop = ir->as_loop())) { + callback(leader, ir, data); + leader = NULL; + call_for_basic_blocks(&ir_loop->body_instructions, callback, data); + } else if (ir->as_return() || ir->as_call()) { + callback(leader, ir, data); + leader = NULL; + } else if ((ir_function = ir->as_function())) { + /* A function definition doesn't interrupt our basic block + * since execution doesn't go into it. We should process the + * bodies of its signatures for BBs, though. + * + * Note that we miss an opportunity for producing more + * maximal BBs between the instructions that precede main() + * and the body of main(). Perhaps those instructions ought + * to live inside of main(). + */ + foreach_iter(exec_list_iterator, fun_iter, *ir_function) { + ir_function_signature *ir_sig; + + ir_sig = (ir_function_signature *)fun_iter.get(); + + call_for_basic_blocks(&ir_sig->body, callback, data); + } + } else if (ir->as_assignment()) { + /* If there's a call in the expression tree being assigned, + * then that ends the BB too. + * + * The assumption is that any consumer of the basic block + * walker is fine with the fact that the call is somewhere in + * the tree even if portions of the tree may be evaluated + * after the call. + * + * A consumer that has an issue with this could not process + * the last instruction of the basic block. If doing so, + * expression flattener may be useful before using the basic + * block finder to get more maximal basic blocks out. + */ + if (ir_has_call(ir)) { + callback(leader, ir, data); + leader = NULL; + } + } + last = ir; + } + if (leader) { + callback(leader, last, data); + } +} diff --git a/mesalib/src/glsl/ir_basic_block.h b/mesalib/src/glsl/ir_basic_block.h new file mode 100644 index 000000000..dbd678b5c --- /dev/null +++ b/mesalib/src/glsl/ir_basic_block.h @@ -0,0 +1,28 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +void call_for_basic_blocks(exec_list *instructions, + void (*callback)(ir_instruction *first, + ir_instruction *last, + void *data), + void *data); diff --git a/mesalib/src/glsl/ir_clone.cpp b/mesalib/src/glsl/ir_clone.cpp new file mode 100644 index 000000000..18543a35a --- /dev/null +++ b/mesalib/src/glsl/ir_clone.cpp @@ -0,0 +1,405 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <string.h> +#include "ir.h" +#include "glsl_types.h" +extern "C" { +#include "program/hash_table.h" +} + +/** + * Duplicate an IR variable + * + * \note + * This will probably be made \c virtual and moved to the base class + * eventually. + */ +ir_variable * +ir_variable::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_variable *var = new(mem_ctx) ir_variable(this->type, this->name, + (ir_variable_mode) this->mode); + + var->max_array_access = this->max_array_access; + var->read_only = this->read_only; + var->centroid = this->centroid; + var->invariant = this->invariant; + var->interpolation = this->interpolation; + var->array_lvalue = this->array_lvalue; + var->location = this->location; + var->warn_extension = this->warn_extension; + var->origin_upper_left = this->origin_upper_left; + var->pixel_center_integer = this->pixel_center_integer; + + if (this->constant_value) + var->constant_value = this->constant_value->clone(mem_ctx, ht); + + if (ht) { + hash_table_insert(ht, var, (void *)const_cast<ir_variable *>(this)); + } + + return var; +} + +ir_swizzle * +ir_swizzle::clone(void *mem_ctx, struct hash_table *ht) const +{ + return new(mem_ctx) ir_swizzle(this->val->clone(mem_ctx, ht), this->mask); +} + +ir_return * +ir_return::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *new_value = NULL; + + if (this->value) + new_value = this->value->clone(mem_ctx, ht); + + return new(mem_ctx) ir_return(new_value); +} + +ir_discard * +ir_discard::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *new_condition = NULL; + + if (this->condition != NULL) + new_condition = this->condition->clone(mem_ctx, ht); + + return new(mem_ctx) ir_discard(new_condition); +} + +ir_loop_jump * +ir_loop_jump::clone(void *mem_ctx, struct hash_table *ht) const +{ + (void)ht; + + return new(mem_ctx) ir_loop_jump(this->mode); +} + +ir_if * +ir_if::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_if *new_if = new(mem_ctx) ir_if(this->condition->clone(mem_ctx, ht)); + + foreach_iter(exec_list_iterator, iter, this->then_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_if->then_instructions.push_tail(ir->clone(mem_ctx, ht)); + } + + foreach_iter(exec_list_iterator, iter, this->else_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_if->else_instructions.push_tail(ir->clone(mem_ctx, ht)); + } + + return new_if; +} + +ir_loop * +ir_loop::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_loop *new_loop = new(mem_ctx) ir_loop(); + + if (this->from) + new_loop->from = this->from->clone(mem_ctx, ht); + if (this->to) + new_loop->to = this->to->clone(mem_ctx, ht); + if (this->increment) + new_loop->increment = this->increment->clone(mem_ctx, ht); + new_loop->counter = counter; + + foreach_iter(exec_list_iterator, iter, this->body_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_loop->body_instructions.push_tail(ir->clone(mem_ctx, ht)); + } + + new_loop->cmp = this->cmp; + return new_loop; +} + +ir_call * +ir_call::clone(void *mem_ctx, struct hash_table *ht) const +{ + if (this->type == glsl_type::error_type) + return ir_call::get_error_instruction(mem_ctx); + + exec_list new_parameters; + + foreach_iter(exec_list_iterator, iter, this->actual_parameters) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_parameters.push_tail(ir->clone(mem_ctx, ht)); + } + + return new(mem_ctx) ir_call(this->callee, &new_parameters); +} + +ir_expression * +ir_expression::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *op[2] = {NULL, NULL}; + unsigned int i; + + for (i = 0; i < get_num_operands(); i++) { + op[i] = this->operands[i]->clone(mem_ctx, ht); + } + + return new(mem_ctx) ir_expression(this->operation, this->type, op[0], op[1]); +} + +ir_dereference_variable * +ir_dereference_variable::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_variable *new_var; + + if (ht) { + new_var = (ir_variable *)hash_table_find(ht, this->var); + if (!new_var) + new_var = this->var; + } else { + new_var = this->var; + } + + return new(mem_ctx) ir_dereference_variable(new_var); +} + +ir_dereference_array * +ir_dereference_array::clone(void *mem_ctx, struct hash_table *ht) const +{ + return new(mem_ctx) ir_dereference_array(this->array->clone(mem_ctx, ht), + this->array_index->clone(mem_ctx, + ht)); +} + +ir_dereference_record * +ir_dereference_record::clone(void *mem_ctx, struct hash_table *ht) const +{ + return new(mem_ctx) ir_dereference_record(this->record->clone(mem_ctx, ht), + this->field); +} + +ir_texture * +ir_texture::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_texture *new_tex = new(mem_ctx) ir_texture(this->op); + new_tex->type = this->type; + + new_tex->sampler = this->sampler->clone(mem_ctx, ht); + new_tex->coordinate = this->coordinate->clone(mem_ctx, ht); + if (this->projector) + new_tex->projector = this->projector->clone(mem_ctx, ht); + if (this->shadow_comparitor) { + new_tex->shadow_comparitor = this->shadow_comparitor->clone(mem_ctx, ht); + } + + for (int i = 0; i < 3; i++) + new_tex->offsets[i] = this->offsets[i]; + + switch (this->op) { + case ir_tex: + break; + case ir_txb: + new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht); + break; + case ir_txl: + case ir_txf: + new_tex->lod_info.lod = this->lod_info.lod->clone(mem_ctx, ht); + break; + case ir_txd: + new_tex->lod_info.grad.dPdx = this->lod_info.grad.dPdx->clone(mem_ctx, ht); + new_tex->lod_info.grad.dPdy = this->lod_info.grad.dPdy->clone(mem_ctx, ht); + break; + } + + return new_tex; +} + +ir_assignment * +ir_assignment::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *new_condition = NULL; + + if (this->condition) + new_condition = this->condition->clone(mem_ctx, ht); + + return new(mem_ctx) ir_assignment(this->lhs->clone(mem_ctx, ht), + this->rhs->clone(mem_ctx, ht), + new_condition, + this->write_mask); +} + +ir_function * +ir_function::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_function *copy = new(mem_ctx) ir_function(this->name); + + foreach_list_const(node, &this->signatures) { + const ir_function_signature *const sig = + (const ir_function_signature *const) node; + + ir_function_signature *sig_copy = sig->clone(mem_ctx, ht); + copy->add_signature(sig_copy); + + if (ht != NULL) + hash_table_insert(ht, sig_copy, + (void *)const_cast<ir_function_signature *>(sig)); + } + + return copy; +} + +ir_function_signature * +ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_function_signature *copy = + new(mem_ctx) ir_function_signature(this->return_type); + + copy->is_defined = this->is_defined; + copy->is_builtin = this->is_builtin; + + /* Clone the parameter list. + */ + foreach_list_const(node, &this->parameters) { + const ir_variable *const param = (const ir_variable *) node; + + assert(const_cast<ir_variable *>(param)->as_variable() != NULL); + + ir_variable *const param_copy = param->clone(mem_ctx, ht); + copy->parameters.push_tail(param_copy); + } + + /* Clone the instruction list. + */ + foreach_list_const(node, &this->body) { + const ir_instruction *const inst = (const ir_instruction *) node; + + ir_instruction *const inst_copy = inst->clone(mem_ctx, ht); + copy->body.push_tail(inst_copy); + } + + return copy; +} + +ir_constant * +ir_constant::clone(void *mem_ctx, struct hash_table *ht) const +{ + (void)ht; + + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_FLOAT: + case GLSL_TYPE_BOOL: + return new(mem_ctx) ir_constant(this->type, &this->value); + + case GLSL_TYPE_STRUCT: { + ir_constant *c = new(mem_ctx) ir_constant; + + c->type = this->type; + for (exec_node *node = this->components.head + ; !node->is_tail_sentinel() + ; node = node->next) { + ir_constant *const orig = (ir_constant *) node; + + c->components.push_tail(orig->clone(mem_ctx, NULL)); + } + + return c; + } + + case GLSL_TYPE_ARRAY: { + ir_constant *c = new(mem_ctx) ir_constant; + + c->type = this->type; + c->array_elements = talloc_array(c, ir_constant *, this->type->length); + for (unsigned i = 0; i < this->type->length; i++) { + c->array_elements[i] = this->array_elements[i]->clone(mem_ctx, NULL); + } + return c; + } + + default: + assert(!"Should not get here."); + return NULL; + } +} + + +class fixup_ir_call_visitor : public ir_hierarchical_visitor { +public: + fixup_ir_call_visitor(struct hash_table *ht) + { + this->ht = ht; + } + + virtual ir_visitor_status visit_enter(ir_call *ir) + { + /* Try to find the function signature referenced by the ir_call in the + * table. If it is found, replace it with the value from the table. + */ + ir_function_signature *sig = + (ir_function_signature *) hash_table_find(this->ht, ir->get_callee()); + if (sig != NULL) + ir->set_callee(sig); + + /* Since this may be used before function call parameters are flattened, + * the children also need to be processed. + */ + return visit_continue; + } + +private: + struct hash_table *ht; +}; + + +static void +fixup_function_calls(struct hash_table *ht, exec_list *instructions) +{ + fixup_ir_call_visitor v(ht); + v.run(instructions); +} + + +void +clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in) +{ + struct hash_table *ht = + hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare); + + foreach_list_const(node, in) { + const ir_instruction *const original = (ir_instruction *) node; + ir_instruction *copy = original->clone(mem_ctx, ht); + + out->push_tail(copy); + } + + /* Make a pass over the cloned tree to fix up ir_call nodes to point to the + * cloned ir_function_signature nodes. This cannot be done automatically + * during cloning because the ir_call might be a forward reference (i.e., + * the function signature that it references may not have been cloned yet). + */ + fixup_function_calls(ht, out); + + hash_table_dtor(ht); +} diff --git a/mesalib/src/glsl/ir_constant_expression.cpp b/mesalib/src/glsl/ir_constant_expression.cpp new file mode 100644 index 000000000..61a708f6e --- /dev/null +++ b/mesalib/src/glsl/ir_constant_expression.cpp @@ -0,0 +1,1194 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_constant_expression.cpp + * Evaluate and process constant valued expressions + * + * In GLSL, constant valued expressions are used in several places. These + * must be processed and evaluated very early in the compilation process. + * + * * Sizes of arrays + * * Initializers for uniforms + * * Initializers for \c const variables + */ + +#include <math.h> +#include "main/core.h" /* for MAX2, MIN2, CLAMP */ +#include "ir.h" +#include "ir_visitor.h" +#include "glsl_types.h" + +static float +dot(ir_constant *op0, ir_constant *op1) +{ + assert(op0->type->is_float() && op1->type->is_float()); + + float result = 0; + for (unsigned c = 0; c < op0->type->components(); c++) + result += op0->value.f[c] * op1->value.f[c]; + + return result; +} + +ir_constant * +ir_expression::constant_expression_value() +{ + ir_constant *op[2] = { NULL, NULL }; + ir_constant_data data; + + memset(&data, 0, sizeof(data)); + + for (unsigned operand = 0; operand < this->get_num_operands(); operand++) { + op[operand] = this->operands[operand]->constant_expression_value(); + if (!op[operand]) + return NULL; + } + + if (op[1] != NULL) + assert(op[0]->type->base_type == op[1]->type->base_type); + + bool op0_scalar = op[0]->type->is_scalar(); + bool op1_scalar = op[1] != NULL && op[1]->type->is_scalar(); + + /* When iterating over a vector or matrix's components, we want to increase + * the loop counter. However, for scalars, we want to stay at 0. + */ + unsigned c0_inc = op0_scalar ? 0 : 1; + unsigned c1_inc = op1_scalar ? 0 : 1; + unsigned components; + if (op1_scalar || !op[1]) { + components = op[0]->type->components(); + } else { + components = op[1]->type->components(); + } + + void *ctx = talloc_parent(this); + + /* Handle array operations here, rather than below. */ + if (op[0]->type->is_array()) { + assert(op[1] != NULL && op[1]->type->is_array()); + switch (this->operation) { + case ir_binop_all_equal: + return new(ctx) ir_constant(op[0]->has_value(op[1])); + case ir_binop_any_nequal: + return new(ctx) ir_constant(!op[0]->has_value(op[1])); + default: + break; + } + return NULL; + } + + switch (this->operation) { + case ir_unop_logic_not: + assert(op[0]->type->base_type == GLSL_TYPE_BOOL); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.b[c] = !op[0]->value.b[c]; + break; + + case ir_unop_f2i: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.i[c] = op[0]->value.f[c]; + } + break; + case ir_unop_i2f: + assert(op[0]->type->base_type == GLSL_TYPE_INT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = op[0]->value.i[c]; + } + break; + case ir_unop_u2f: + assert(op[0]->type->base_type == GLSL_TYPE_UINT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = op[0]->value.u[c]; + } + break; + case ir_unop_b2f: + assert(op[0]->type->base_type == GLSL_TYPE_BOOL); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = op[0]->value.b[c] ? 1.0 : 0.0; + } + break; + case ir_unop_f2b: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.b[c] = bool(op[0]->value.f[c]); + } + break; + case ir_unop_b2i: + assert(op[0]->type->base_type == GLSL_TYPE_BOOL); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.u[c] = op[0]->value.b[c] ? 1 : 0; + } + break; + case ir_unop_i2b: + assert(op[0]->type->is_integer()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.b[c] = bool(op[0]->value.u[c]); + } + break; + + case ir_unop_any: + assert(op[0]->type->is_boolean()); + data.b[0] = false; + for (unsigned c = 0; c < op[0]->type->components(); c++) { + if (op[0]->value.b[c]) + data.b[0] = true; + } + break; + + case ir_unop_trunc: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = truncf(op[0]->value.f[c]); + } + break; + + case ir_unop_ceil: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = ceilf(op[0]->value.f[c]); + } + break; + + case ir_unop_floor: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = floorf(op[0]->value.f[c]); + } + break; + + case ir_unop_fract: + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = 0; + break; + case GLSL_TYPE_INT: + data.i[c] = 0; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = op[0]->value.f[c] - floor(op[0]->value.f[c]); + break; + default: + assert(0); + } + } + break; + + case ir_unop_sin: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = sinf(op[0]->value.f[c]); + } + break; + + case ir_unop_cos: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = cosf(op[0]->value.f[c]); + } + break; + + case ir_unop_neg: + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = -op[0]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.i[c] = -op[0]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = -op[0]->value.f[c]; + break; + default: + assert(0); + } + } + break; + + case ir_unop_abs: + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c]; + if (data.i[c] < 0) + data.i[c] = -data.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = fabs(op[0]->value.f[c]); + break; + default: + assert(0); + } + } + break; + + case ir_unop_sign: + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.i[c] > 0; + break; + case GLSL_TYPE_INT: + data.i[c] = (op[0]->value.i[c] > 0) - (op[0]->value.i[c] < 0); + break; + case GLSL_TYPE_FLOAT: + data.f[c] = float((op[0]->value.f[c] > 0)-(op[0]->value.f[c] < 0)); + break; + default: + assert(0); + } + } + break; + + case ir_unop_rcp: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + if (op[0]->value.u[c] != 0.0) + data.u[c] = 1 / op[0]->value.u[c]; + break; + case GLSL_TYPE_INT: + if (op[0]->value.i[c] != 0.0) + data.i[c] = 1 / op[0]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + if (op[0]->value.f[c] != 0.0) + data.f[c] = 1.0 / op[0]->value.f[c]; + break; + default: + assert(0); + } + } + break; + + case ir_unop_rsq: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = 1.0 / sqrtf(op[0]->value.f[c]); + } + break; + + case ir_unop_sqrt: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = sqrtf(op[0]->value.f[c]); + } + break; + + case ir_unop_exp: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = expf(op[0]->value.f[c]); + } + break; + + case ir_unop_exp2: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = exp2f(op[0]->value.f[c]); + } + break; + + case ir_unop_log: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = logf(op[0]->value.f[c]); + } + break; + + case ir_unop_log2: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = log2f(op[0]->value.f[c]); + } + break; + + case ir_unop_dFdx: + case ir_unop_dFdy: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = 0.0; + } + break; + + case ir_binop_pow: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + data.f[c] = powf(op[0]->value.f[c], op[1]->value.f[c]); + } + break; + + case ir_binop_dot: + data.f[0] = dot(op[0], op[1]); + break; + + case ir_binop_min: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = MIN2(op[0]->value.u[c0], op[1]->value.u[c1]); + break; + case GLSL_TYPE_INT: + data.i[c] = MIN2(op[0]->value.i[c0], op[1]->value.i[c1]); + break; + case GLSL_TYPE_FLOAT: + data.f[c] = MIN2(op[0]->value.f[c0], op[1]->value.f[c1]); + break; + default: + assert(0); + } + } + + break; + case ir_binop_max: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = MAX2(op[0]->value.u[c0], op[1]->value.u[c1]); + break; + case GLSL_TYPE_INT: + data.i[c] = MAX2(op[0]->value.i[c0], op[1]->value.i[c1]); + break; + case GLSL_TYPE_FLOAT: + data.f[c] = MAX2(op[0]->value.f[c0], op[1]->value.f[c1]); + break; + default: + assert(0); + } + } + break; + + case ir_binop_cross: + assert(op[0]->type == glsl_type::vec3_type); + assert(op[1]->type == glsl_type::vec3_type); + data.f[0] = (op[0]->value.f[1] * op[1]->value.f[2] - + op[1]->value.f[1] * op[0]->value.f[2]); + data.f[1] = (op[0]->value.f[2] * op[1]->value.f[0] - + op[1]->value.f[2] * op[0]->value.f[0]); + data.f[2] = (op[0]->value.f[0] * op[1]->value.f[1] - + op[1]->value.f[0] * op[0]->value.f[1]); + break; + + case ir_binop_add: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c0] + op[1]->value.u[c1]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c0] + op[1]->value.i[c1]; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = op[0]->value.f[c0] + op[1]->value.f[c1]; + break; + default: + assert(0); + } + } + + break; + case ir_binop_sub: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c0] - op[1]->value.u[c1]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c0] - op[1]->value.i[c1]; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = op[0]->value.f[c0] - op[1]->value.f[c1]; + break; + default: + assert(0); + } + } + + break; + case ir_binop_mul: + /* Check for equal types, or unequal types involving scalars */ + if ((op[0]->type == op[1]->type && !op[0]->type->is_matrix()) + || op0_scalar || op1_scalar) { + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c0] * op[1]->value.u[c1]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c0] * op[1]->value.i[c1]; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = op[0]->value.f[c0] * op[1]->value.f[c1]; + break; + default: + assert(0); + } + } + } else { + assert(op[0]->type->is_matrix() || op[1]->type->is_matrix()); + + /* Multiply an N-by-M matrix with an M-by-P matrix. Since either + * matrix can be a GLSL vector, either N or P can be 1. + * + * For vec*mat, the vector is treated as a row vector. This + * means the vector is a 1-row x M-column matrix. + * + * For mat*vec, the vector is treated as a column vector. Since + * matrix_columns is 1 for vectors, this just works. + */ + const unsigned n = op[0]->type->is_vector() + ? 1 : op[0]->type->vector_elements; + const unsigned m = op[1]->type->vector_elements; + const unsigned p = op[1]->type->matrix_columns; + for (unsigned j = 0; j < p; j++) { + for (unsigned i = 0; i < n; i++) { + for (unsigned k = 0; k < m; k++) { + data.f[i+n*j] += op[0]->value.f[i+n*k]*op[1]->value.f[k+m*j]; + } + } + } + } + + break; + case ir_binop_div: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c0] / op[1]->value.u[c1]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c0] / op[1]->value.i[c1]; + break; + case GLSL_TYPE_FLOAT: + data.f[c] = op[0]->value.f[c0] / op[1]->value.f[c1]; + break; + default: + assert(0); + } + } + + break; + case ir_binop_mod: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c0] % op[1]->value.u[c1]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c0] % op[1]->value.i[c1]; + break; + case GLSL_TYPE_FLOAT: + /* We don't use fmod because it rounds toward zero; GLSL specifies + * the use of floor. + */ + data.f[c] = op[0]->value.f[c0] - op[1]->value.f[c1] + * floorf(op[0]->value.f[c0] / op[1]->value.f[c1]); + break; + default: + assert(0); + } + } + + break; + + case ir_binop_logic_and: + assert(op[0]->type->base_type == GLSL_TYPE_BOOL); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.b[c] = op[0]->value.b[c] && op[1]->value.b[c]; + break; + case ir_binop_logic_xor: + assert(op[0]->type->base_type == GLSL_TYPE_BOOL); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.b[c] = op[0]->value.b[c] ^ op[1]->value.b[c]; + break; + case ir_binop_logic_or: + assert(op[0]->type->base_type == GLSL_TYPE_BOOL); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.b[c] = op[0]->value.b[c] || op[1]->value.b[c]; + break; + + case ir_binop_less: + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[0] = op[0]->value.u[0] < op[1]->value.u[0]; + break; + case GLSL_TYPE_INT: + data.b[0] = op[0]->value.i[0] < op[1]->value.i[0]; + break; + case GLSL_TYPE_FLOAT: + data.b[0] = op[0]->value.f[0] < op[1]->value.f[0]; + break; + default: + assert(0); + } + break; + case ir_binop_greater: + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[0] = op[0]->value.u[0] > op[1]->value.u[0]; + break; + case GLSL_TYPE_INT: + data.b[0] = op[0]->value.i[0] > op[1]->value.i[0]; + break; + case GLSL_TYPE_FLOAT: + data.b[0] = op[0]->value.f[0] > op[1]->value.f[0]; + break; + default: + assert(0); + } + break; + case ir_binop_lequal: + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[0] = op[0]->value.u[0] <= op[1]->value.u[0]; + break; + case GLSL_TYPE_INT: + data.b[0] = op[0]->value.i[0] <= op[1]->value.i[0]; + break; + case GLSL_TYPE_FLOAT: + data.b[0] = op[0]->value.f[0] <= op[1]->value.f[0]; + break; + default: + assert(0); + } + break; + case ir_binop_gequal: + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[0] = op[0]->value.u[0] >= op[1]->value.u[0]; + break; + case GLSL_TYPE_INT: + data.b[0] = op[0]->value.i[0] >= op[1]->value.i[0]; + break; + case GLSL_TYPE_FLOAT: + data.b[0] = op[0]->value.f[0] >= op[1]->value.f[0]; + break; + default: + assert(0); + } + break; + case ir_binop_equal: + assert(op[0]->type == op[1]->type); + for (unsigned c = 0; c < components; c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] == op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] == op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] == op[1]->value.f[c]; + break; + default: + assert(0); + } + } + break; + case ir_binop_nequal: + assert(op[0]->type != op[1]->type); + for (unsigned c = 0; c < components; c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] != op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] != op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] != op[1]->value.f[c]; + break; + default: + assert(0); + } + } + break; + case ir_binop_all_equal: + data.b[0] = op[0]->has_value(op[1]); + break; + case ir_binop_any_nequal: + data.b[0] = !op[0]->has_value(op[1]); + break; + + default: + /* FINISHME: Should handle all expression types. */ + return NULL; + } + + return new(ctx) ir_constant(this->type, &data); +} + + +ir_constant * +ir_texture::constant_expression_value() +{ + /* texture lookups aren't constant expressions */ + return NULL; +} + + +ir_constant * +ir_swizzle::constant_expression_value() +{ + ir_constant *v = this->val->constant_expression_value(); + + if (v != NULL) { + ir_constant_data data = { { 0 } }; + + const unsigned swiz_idx[4] = { + this->mask.x, this->mask.y, this->mask.z, this->mask.w + }; + + for (unsigned i = 0; i < this->mask.num_components; i++) { + switch (v->type->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: data.u[i] = v->value.u[swiz_idx[i]]; break; + case GLSL_TYPE_FLOAT: data.f[i] = v->value.f[swiz_idx[i]]; break; + case GLSL_TYPE_BOOL: data.b[i] = v->value.b[swiz_idx[i]]; break; + default: assert(!"Should not get here."); break; + } + } + + void *ctx = talloc_parent(this); + return new(ctx) ir_constant(this->type, &data); + } + return NULL; +} + + +ir_constant * +ir_dereference_variable::constant_expression_value() +{ + /* This may occur during compile and var->type is glsl_type::error_type */ + if (!var) + return NULL; + + /* The constant_value of a uniform variable is its initializer, + * not the lifetime constant value of the uniform. + */ + if (var->mode == ir_var_uniform) + return NULL; + + if (!var->constant_value) + return NULL; + + return var->constant_value->clone(talloc_parent(var), NULL); +} + + +ir_constant * +ir_dereference_array::constant_expression_value() +{ + ir_constant *array = this->array->constant_expression_value(); + ir_constant *idx = this->array_index->constant_expression_value(); + + if ((array != NULL) && (idx != NULL)) { + void *ctx = talloc_parent(this); + if (array->type->is_matrix()) { + /* Array access of a matrix results in a vector. + */ + const unsigned column = idx->value.u[0]; + + const glsl_type *const column_type = array->type->column_type(); + + /* Offset in the constant matrix to the first element of the column + * to be extracted. + */ + const unsigned mat_idx = column * column_type->vector_elements; + + ir_constant_data data; + + switch (column_type->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + for (unsigned i = 0; i < column_type->vector_elements; i++) + data.u[i] = array->value.u[mat_idx + i]; + + break; + + case GLSL_TYPE_FLOAT: + for (unsigned i = 0; i < column_type->vector_elements; i++) + data.f[i] = array->value.f[mat_idx + i]; + + break; + + default: + assert(!"Should not get here."); + break; + } + + return new(ctx) ir_constant(column_type, &data); + } else if (array->type->is_vector()) { + const unsigned component = idx->value.u[0]; + + return new(ctx) ir_constant(array, component); + } else { + const unsigned index = idx->value.u[0]; + return array->get_array_element(index)->clone(ctx, NULL); + } + } + return NULL; +} + + +ir_constant * +ir_dereference_record::constant_expression_value() +{ + ir_constant *v = this->record->constant_expression_value(); + + return (v != NULL) ? v->get_record_field(this->field) : NULL; +} + + +ir_constant * +ir_assignment::constant_expression_value() +{ + /* FINISHME: Handle CEs involving assignment (return RHS) */ + return NULL; +} + + +ir_constant * +ir_constant::constant_expression_value() +{ + return this; +} + + +ir_constant * +ir_call::constant_expression_value() +{ + if (this->type == glsl_type::error_type) + return NULL; + + /* From the GLSL 1.20 spec, page 23: + * "Function calls to user-defined functions (non-built-in functions) + * cannot be used to form constant expressions." + */ + if (!this->callee->is_builtin) + return NULL; + + unsigned num_parameters = 0; + + /* Check if all parameters are constant */ + ir_constant *op[3]; + foreach_list(n, &this->actual_parameters) { + ir_constant *constant = ((ir_rvalue *) n)->constant_expression_value(); + if (constant == NULL) + return NULL; + + op[num_parameters] = constant; + + assert(num_parameters < 3); + num_parameters++; + } + + /* Individual cases below can either: + * - Assign "expr" a new ir_expression to evaluate (for basic opcodes) + * - Fill "data" with appopriate constant data + * - Return an ir_constant directly. + */ + void *mem_ctx = talloc_parent(this); + ir_expression *expr = NULL; + + ir_constant_data data; + memset(&data, 0, sizeof(data)); + + const char *callee = this->callee_name(); + if (strcmp(callee, "abs") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_abs, type, op[0], NULL); + } else if (strcmp(callee, "all") == 0) { + assert(op[0]->type->is_boolean()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + if (!op[0]->value.b[c]) + return new(mem_ctx) ir_constant(false); + } + return new(mem_ctx) ir_constant(true); + } else if (strcmp(callee, "any") == 0) { + assert(op[0]->type->is_boolean()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + if (op[0]->value.b[c]) + return new(mem_ctx) ir_constant(true); + } + return new(mem_ctx) ir_constant(false); + } else if (strcmp(callee, "acos") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = acosf(op[0]->value.f[c]); + } else if (strcmp(callee, "asin") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = asinf(op[0]->value.f[c]); + } else if (strcmp(callee, "atan") == 0) { + assert(op[0]->type->is_float()); + if (num_parameters == 2) { + assert(op[1]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = atan2f(op[0]->value.f[c], op[1]->value.f[c]); + } else { + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = atanf(op[0]->value.f[c]); + } + } else if (strcmp(callee, "dFdx") == 0 || strcmp(callee, "dFdy") == 0) { + return ir_constant::zero(mem_ctx, this->type); + } else if (strcmp(callee, "ceil") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_ceil, type, op[0], NULL); + } else if (strcmp(callee, "clamp") == 0) { + assert(num_parameters == 3); + unsigned c1_inc = op[1]->type->is_scalar() ? 0 : 1; + unsigned c2_inc = op[2]->type->is_scalar() ? 0 : 1; + for (unsigned c = 0, c1 = 0, c2 = 0; + c < op[0]->type->components(); + c1 += c1_inc, c2 += c2_inc, c++) { + + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = CLAMP(op[0]->value.u[c], op[1]->value.u[c1], + op[2]->value.u[c2]); + break; + case GLSL_TYPE_INT: + data.i[c] = CLAMP(op[0]->value.i[c], op[1]->value.i[c1], + op[2]->value.i[c2]); + break; + case GLSL_TYPE_FLOAT: + data.f[c] = CLAMP(op[0]->value.f[c], op[1]->value.f[c1], + op[2]->value.f[c2]); + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "cos") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_cos, type, op[0], NULL); + } else if (strcmp(callee, "cosh") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = coshf(op[0]->value.f[c]); + } else if (strcmp(callee, "cross") == 0) { + expr = new(mem_ctx) ir_expression(ir_binop_cross, type, op[0], op[1]); + } else if (strcmp(callee, "degrees") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = 180.0/M_PI * op[0]->value.f[c]; + } else if (strcmp(callee, "distance") == 0) { + assert(op[0]->type->is_float() && op[1]->type->is_float()); + float length_squared = 0.0; + for (unsigned c = 0; c < op[0]->type->components(); c++) { + float t = op[0]->value.f[c] - op[1]->value.f[c]; + length_squared += t * t; + } + return new(mem_ctx) ir_constant(sqrtf(length_squared)); + } else if (strcmp(callee, "dot") == 0) { + return new(mem_ctx) ir_constant(dot(op[0], op[1])); + } else if (strcmp(callee, "equal") == 0) { + assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] == op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] == op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] == op[1]->value.f[c]; + break; + case GLSL_TYPE_BOOL: + data.b[c] = op[0]->value.b[c] == op[1]->value.b[c]; + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "exp") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_exp, type, op[0], NULL); + } else if (strcmp(callee, "exp2") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_exp2, type, op[0], NULL); + } else if (strcmp(callee, "faceforward") == 0) { + if (dot(op[2], op[1]) < 0) + return op[0]; + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = -op[0]->value.f[c]; + } else if (strcmp(callee, "floor") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_floor, type, op[0], NULL); + } else if (strcmp(callee, "fract") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_fract, type, op[0], NULL); + } else if (strcmp(callee, "fwidth") == 0) { + return ir_constant::zero(mem_ctx, this->type); + } else if (strcmp(callee, "greaterThan") == 0) { + assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] > op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] > op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] > op[1]->value.f[c]; + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "greaterThanEqual") == 0) { + assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] >= op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] >= op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] >= op[1]->value.f[c]; + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "inversesqrt") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_rsq, type, op[0], NULL); + } else if (strcmp(callee, "length") == 0) { + return new(mem_ctx) ir_constant(sqrtf(dot(op[0], op[0]))); + } else if (strcmp(callee, "lessThan") == 0) { + assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] < op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] < op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] < op[1]->value.f[c]; + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "lessThanEqual") == 0) { + assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] <= op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] <= op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] <= op[1]->value.f[c]; + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "log") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_log, type, op[0], NULL); + } else if (strcmp(callee, "log2") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_log2, type, op[0], NULL); + } else if (strcmp(callee, "matrixCompMult") == 0) { + assert(op[0]->type->is_float() && op[1]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = op[0]->value.f[c] * op[1]->value.f[c]; + } else if (strcmp(callee, "max") == 0) { + expr = new(mem_ctx) ir_expression(ir_binop_max, type, op[0], op[1]); + } else if (strcmp(callee, "min") == 0) { + expr = new(mem_ctx) ir_expression(ir_binop_min, type, op[0], op[1]); + } else if (strcmp(callee, "mix") == 0) { + assert(op[0]->type->is_float() && op[1]->type->is_float()); + if (op[2]->type->is_float()) { + unsigned c2_inc = op[2]->type->is_scalar() ? 0 : 1; + unsigned components = op[0]->type->components(); + for (unsigned c = 0, c2 = 0; c < components; c2 += c2_inc, c++) { + data.f[c] = op[0]->value.f[c] * (1 - op[2]->value.f[c2]) + + op[1]->value.f[c] * op[2]->value.f[c2]; + } + } else { + assert(op[2]->type->is_boolean()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = op[op[2]->value.b[c] ? 1 : 0]->value.f[c]; + } + } else if (strcmp(callee, "mod") == 0) { + expr = new(mem_ctx) ir_expression(ir_binop_mod, type, op[0], op[1]); + } else if (strcmp(callee, "normalize") == 0) { + assert(op[0]->type->is_float()); + float length = sqrtf(dot(op[0], op[0])); + + if (length == 0) + return ir_constant::zero(mem_ctx, this->type); + + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = op[0]->value.f[c] / length; + } else if (strcmp(callee, "not") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_logic_not, type, op[0], NULL); + } else if (strcmp(callee, "notEqual") == 0) { + assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector()); + for (unsigned c = 0; c < op[0]->type->components(); c++) { + switch (op[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.b[c] = op[0]->value.u[c] != op[1]->value.u[c]; + break; + case GLSL_TYPE_INT: + data.b[c] = op[0]->value.i[c] != op[1]->value.i[c]; + break; + case GLSL_TYPE_FLOAT: + data.b[c] = op[0]->value.f[c] != op[1]->value.f[c]; + break; + case GLSL_TYPE_BOOL: + data.b[c] = op[0]->value.b[c] != op[1]->value.b[c]; + break; + default: + assert(!"Should not get here."); + } + } + } else if (strcmp(callee, "outerProduct") == 0) { + assert(op[0]->type->is_vector() && op[1]->type->is_vector()); + const unsigned m = op[0]->type->vector_elements; + const unsigned n = op[1]->type->vector_elements; + for (unsigned j = 0; j < n; j++) { + for (unsigned i = 0; i < m; i++) { + data.f[i+m*j] = op[0]->value.f[i] * op[1]->value.f[j]; + } + } + } else if (strcmp(callee, "pow") == 0) { + expr = new(mem_ctx) ir_expression(ir_binop_pow, type, op[0], op[1]); + } else if (strcmp(callee, "radians") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = M_PI/180.0 * op[0]->value.f[c]; + } else if (strcmp(callee, "reflect") == 0) { + assert(op[0]->type->is_float()); + float dot_NI = dot(op[1], op[0]); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = op[0]->value.f[c] - 2 * dot_NI * op[1]->value.f[c]; + } else if (strcmp(callee, "refract") == 0) { + const float eta = op[2]->value.f[0]; + const float dot_NI = dot(op[1], op[0]); + const float k = 1.0 - eta * eta * (1.0 - dot_NI * dot_NI); + if (k < 0.0) { + return ir_constant::zero(mem_ctx, this->type); + } else { + for (unsigned c = 0; c < type->components(); c++) { + data.f[c] = eta * op[0]->value.f[c] - (eta * dot_NI + sqrtf(k)) + * op[1]->value.f[c]; + } + } + } else if (strcmp(callee, "sign") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_sign, type, op[0], NULL); + } else if (strcmp(callee, "sin") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_sin, type, op[0], NULL); + } else if (strcmp(callee, "sinh") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = sinhf(op[0]->value.f[c]); + } else if (strcmp(callee, "smoothstep") == 0) { + assert(num_parameters == 3); + assert(op[1]->type == op[0]->type); + unsigned edge_inc = op[0]->type->is_scalar() ? 0 : 1; + for (unsigned c = 0, e = 0; c < type->components(); e += edge_inc, c++) { + const float edge0 = op[0]->value.f[e]; + const float edge1 = op[1]->value.f[e]; + if (edge0 == edge1) { + data.f[c] = 0.0; /* Avoid a crash - results are undefined anyway */ + } else { + const float numerator = op[2]->value.f[c] - edge0; + const float denominator = edge1 - edge0; + const float t = CLAMP(numerator/denominator, 0, 1); + data.f[c] = t * t * (3 - 2 * t); + } + } + } else if (strcmp(callee, "sqrt") == 0) { + expr = new(mem_ctx) ir_expression(ir_unop_sqrt, type, op[0], NULL); + } else if (strcmp(callee, "step") == 0) { + assert(op[0]->type->is_float() && op[1]->type->is_float()); + /* op[0] (edge) may be either a scalar or a vector */ + const unsigned c0_inc = op[0]->type->is_scalar() ? 0 : 1; + for (unsigned c = 0, c0 = 0; c < type->components(); c0 += c0_inc, c++) + data.f[c] = (op[1]->value.f[c] < op[0]->value.f[c0]) ? 0.0 : 1.0; + } else if (strcmp(callee, "tan") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = tanf(op[0]->value.f[c]); + } else if (strcmp(callee, "tanh") == 0) { + assert(op[0]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = tanhf(op[0]->value.f[c]); + } else if (strcmp(callee, "transpose") == 0) { + assert(op[0]->type->is_matrix()); + const unsigned n = op[0]->type->vector_elements; + const unsigned m = op[0]->type->matrix_columns; + for (unsigned j = 0; j < m; j++) { + for (unsigned i = 0; i < n; i++) { + data.f[m*i+j] += op[0]->value.f[i+n*j]; + } + } + } else { + /* Unsupported builtin - some are not allowed in constant expressions. */ + return NULL; + } + + if (expr != NULL) + return expr->constant_expression_value(); + + return new(mem_ctx) ir_constant(this->type, &data); +} diff --git a/mesalib/src/glsl/ir_constant_folding.cpp b/mesalib/src/glsl/ir_constant_folding.cpp new file mode 100644 index 000000000..554c54fae --- /dev/null +++ b/mesalib/src/glsl/ir_constant_folding.cpp @@ -0,0 +1,147 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_constant_folding.cpp + * Replace constant-valued expressions with references to constant values. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +/** + * Visitor class for replacing expressions with ir_constant values. + */ + +class ir_constant_folding_visitor : public ir_rvalue_visitor { +public: + ir_constant_folding_visitor() + { + this->progress = false; + } + + virtual ~ir_constant_folding_visitor() + { + /* empty */ + } + + virtual ir_visitor_status visit_enter(ir_assignment *ir); + virtual ir_visitor_status visit_enter(ir_call *ir); + + virtual void handle_rvalue(ir_rvalue **rvalue); + + bool progress; +}; + +void +ir_constant_folding_visitor::handle_rvalue(ir_rvalue **rvalue) +{ + if (*rvalue == NULL || (*rvalue)->ir_type == ir_type_constant) + return; + + /* Note that we do rvalue visitoring on leaving. So if an + * expression has a non-constant operand, no need to go looking + * down it to find if it's constant. This cuts the time of this + * pass down drastically. + */ + ir_expression *expr = (*rvalue)->as_expression(); + if (expr) { + for (unsigned int i = 0; i < expr->get_num_operands(); i++) { + if (!expr->operands[i]->as_constant()) + return; + } + } + + ir_constant *constant = (*rvalue)->constant_expression_value(); + if (constant) { + *rvalue = constant; + this->progress = true; + } else { + (*rvalue)->accept(this); + } +} + +ir_visitor_status +ir_constant_folding_visitor::visit_enter(ir_assignment *ir) +{ + ir->rhs->accept(this); + handle_rvalue(&ir->rhs); + + if (ir->condition) { + ir->condition->accept(this); + handle_rvalue(&ir->condition); + + ir_constant *const_val = ir->condition->as_constant(); + /* If the condition is constant, either remove the condition or + * remove the never-executed assignment. + */ + if (const_val) { + if (const_val->value.b[0]) + ir->condition = NULL; + else + ir->remove(); + this->progress = true; + } + } + + /* Don't descend into the LHS because we want it to stay as a + * variable dereference. FINISHME: We probably should to get array + * indices though. + */ + return visit_continue_with_parent; +} + +ir_visitor_status +ir_constant_folding_visitor::visit_enter(ir_call *ir) +{ + exec_list_iterator sig_iter = ir->get_callee()->parameters.iterator(); + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param_rval = (ir_rvalue *)iter.get(); + ir_variable *sig_param = (ir_variable *)sig_iter.get(); + + if (sig_param->mode == ir_var_in) { + ir_rvalue *new_param = param_rval; + + handle_rvalue(&new_param); + if (new_param != param_rval) { + param_rval->replace_with(new_param); + } + } + sig_iter.next(); + } + + return visit_continue_with_parent; +} + +bool +do_constant_folding(exec_list *instructions) +{ + ir_constant_folding_visitor constant_folding; + + visit_list_elements(&constant_folding, instructions); + + return constant_folding.progress; +} diff --git a/mesalib/src/glsl/ir_constant_propagation.cpp b/mesalib/src/glsl/ir_constant_propagation.cpp new file mode 100644 index 000000000..5d875b7be --- /dev/null +++ b/mesalib/src/glsl/ir_constant_propagation.cpp @@ -0,0 +1,437 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * constant of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, constant, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above constantright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR CONSTANTRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_constant_propagation.cpp + * + * Tracks assignments of constants to channels of variables, and + * usage of those constant channels with direct usage of the constants. + * + * This can lead to constant folding and algebraic optimizations in + * those later expressions, while causing no increase in instruction + * count (due to constants being generally free to load from a + * constant push buffer or as instruction immediate values) and + * possibly reducing register pressure. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_basic_block.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +class acp_entry : public exec_node +{ +public: + acp_entry(ir_variable *var, unsigned write_mask, ir_constant *constant) + { + assert(var); + assert(constant); + this->var = var; + this->write_mask = write_mask; + this->constant = constant; + } + + ir_variable *var; + ir_constant *constant; + unsigned write_mask; +}; + + +class kill_entry : public exec_node +{ +public: + kill_entry(ir_variable *var, unsigned write_mask) + { + assert(var); + this->var = var; + this->write_mask = write_mask; + } + + ir_variable *var; + unsigned write_mask; +}; + +class ir_constant_propagation_visitor : public ir_rvalue_visitor { +public: + ir_constant_propagation_visitor() + { + progress = false; + mem_ctx = talloc_new(0); + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + } + ~ir_constant_propagation_visitor() + { + talloc_free(mem_ctx); + } + + virtual ir_visitor_status visit_enter(class ir_loop *); + virtual ir_visitor_status visit_enter(class ir_function_signature *); + virtual ir_visitor_status visit_enter(class ir_function *); + virtual ir_visitor_status visit_leave(class ir_assignment *); + virtual ir_visitor_status visit_enter(class ir_call *); + virtual ir_visitor_status visit_enter(class ir_if *); + + void add_constant(ir_assignment *ir); + void kill(ir_variable *ir, unsigned write_mask); + void handle_if_block(exec_list *instructions); + void handle_rvalue(ir_rvalue **rvalue); + + /** List of acp_entry: The available constants to propagate */ + exec_list *acp; + + /** + * List of kill_entry: The masks of variables whose values were + * killed in this block. + */ + exec_list *kills; + + bool progress; + + bool killed_all; + + void *mem_ctx; +}; + + +void +ir_constant_propagation_visitor::handle_rvalue(ir_rvalue **rvalue) +{ + if (this->in_assignee || !*rvalue) + return; + + const glsl_type *type = (*rvalue)->type; + if (!type->is_scalar() && !type->is_vector()) + return; + + ir_swizzle *swiz = NULL; + ir_dereference_variable *deref = (*rvalue)->as_dereference_variable(); + if (!deref) { + swiz = (*rvalue)->as_swizzle(); + if (!swiz) + return; + + deref = swiz->val->as_dereference_variable(); + if (!deref) + return; + } + + ir_constant_data data; + memset(&data, 0, sizeof(data)); + + for (unsigned int i = 0; i < type->components(); i++) { + int channel; + acp_entry *found = NULL; + + if (swiz) { + switch (i) { + case 0: channel = swiz->mask.x; break; + case 1: channel = swiz->mask.y; break; + case 2: channel = swiz->mask.z; break; + case 3: channel = swiz->mask.w; break; + default: assert(!"shouldn't be reached"); channel = 0; break; + } + } else { + channel = i; + } + + foreach_iter(exec_list_iterator, iter, *this->acp) { + acp_entry *entry = (acp_entry *)iter.get(); + if (entry->var == deref->var && entry->write_mask & (1 << channel)) { + found = entry; + break; + } + } + + if (!found) + return; + + int rhs_channel = 0; + for (int j = 0; j < 4; j++) { + if (j == channel) + break; + if (found->write_mask & (1 << j)) + rhs_channel++; + } + + switch (type->base_type) { + case GLSL_TYPE_FLOAT: + data.f[i] = found->constant->value.f[rhs_channel]; + break; + case GLSL_TYPE_INT: + data.i[i] = found->constant->value.i[rhs_channel]; + break; + case GLSL_TYPE_UINT: + data.u[i] = found->constant->value.u[rhs_channel]; + break; + case GLSL_TYPE_BOOL: + data.b[i] = found->constant->value.b[rhs_channel]; + break; + default: + assert(!"not reached"); + break; + } + } + + *rvalue = new(talloc_parent(deref)) ir_constant(type, &data); + this->progress = true; +} + +ir_visitor_status +ir_constant_propagation_visitor::visit_enter(ir_function_signature *ir) +{ + /* Treat entry into a function signature as a completely separate + * block. Any instructions at global scope will be shuffled into + * main() at link time, so they're irrelevant to us. + */ + exec_list *orig_acp = this->acp; + exec_list *orig_kills = this->kills; + bool orig_killed_all = this->killed_all; + + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + this->killed_all = false; + + visit_list_elements(this, &ir->body); + + this->kills = orig_kills; + this->acp = orig_acp; + this->killed_all = orig_killed_all; + + return visit_continue_with_parent; +} + +ir_visitor_status +ir_constant_propagation_visitor::visit_leave(ir_assignment *ir) +{ + if (this->in_assignee) + return visit_continue; + + kill(ir->lhs->variable_referenced(), ir->write_mask); + + add_constant(ir); + + return visit_continue; +} + +ir_visitor_status +ir_constant_propagation_visitor::visit_enter(ir_function *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_constant_propagation_visitor::visit_enter(ir_call *ir) +{ + /* Do constant propagation on call parameters, but skip any out params */ + exec_list_iterator sig_param_iter = ir->get_callee()->parameters.iterator(); + foreach_iter(exec_list_iterator, iter, ir->actual_parameters) { + ir_variable *sig_param = (ir_variable *)sig_param_iter.get(); + ir_rvalue *param = (ir_rvalue *)iter.get(); + if (sig_param->mode != ir_var_out && sig_param->mode != ir_var_inout) { + ir_rvalue *new_param = param; + handle_rvalue(&new_param); + if (new_param != param) + param->replace_with(new_param); + else + param->accept(this); + } + sig_param_iter.next(); + } + + /* Since we're unlinked, we don't (necssarily) know the side effects of + * this call. So kill all copies. + */ + acp->make_empty(); + this->killed_all = true; + + return visit_continue_with_parent; +} + +void +ir_constant_propagation_visitor::handle_if_block(exec_list *instructions) +{ + exec_list *orig_acp = this->acp; + exec_list *orig_kills = this->kills; + bool orig_killed_all = this->killed_all; + + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + this->killed_all = false; + + /* Populate the initial acp with a constant of the original */ + foreach_iter(exec_list_iterator, iter, *orig_acp) { + acp_entry *a = (acp_entry *)iter.get(); + this->acp->push_tail(new(this->mem_ctx) acp_entry(a->var, a->write_mask, + a->constant)); + } + + visit_list_elements(this, instructions); + + if (this->killed_all) { + orig_acp->make_empty(); + } + + exec_list *new_kills = this->kills; + this->kills = orig_kills; + this->acp = orig_acp; + this->killed_all = this->killed_all || orig_killed_all; + + foreach_iter(exec_list_iterator, iter, *new_kills) { + kill_entry *k = (kill_entry *)iter.get(); + kill(k->var, k->write_mask); + } +} + +ir_visitor_status +ir_constant_propagation_visitor::visit_enter(ir_if *ir) +{ + ir->condition->accept(this); + handle_rvalue(&ir->condition); + + handle_if_block(&ir->then_instructions); + handle_if_block(&ir->else_instructions); + + /* handle_if_block() already descended into the children. */ + return visit_continue_with_parent; +} + +ir_visitor_status +ir_constant_propagation_visitor::visit_enter(ir_loop *ir) +{ + exec_list *orig_acp = this->acp; + exec_list *orig_kills = this->kills; + bool orig_killed_all = this->killed_all; + + /* FINISHME: For now, the initial acp for loops is totally empty. + * We could go through once, then go through again with the acp + * cloned minus the killed entries after the first run through. + */ + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + this->killed_all = false; + + visit_list_elements(this, &ir->body_instructions); + + if (this->killed_all) { + orig_acp->make_empty(); + } + + exec_list *new_kills = this->kills; + this->kills = orig_kills; + this->acp = orig_acp; + this->killed_all = this->killed_all || orig_killed_all; + + foreach_iter(exec_list_iterator, iter, *new_kills) { + kill_entry *k = (kill_entry *)iter.get(); + kill(k->var, k->write_mask); + } + + /* already descended into the children. */ + return visit_continue_with_parent; +} + +void +ir_constant_propagation_visitor::kill(ir_variable *var, unsigned write_mask) +{ + assert(var != NULL); + + /* We don't track non-vectors. */ + if (!var->type->is_vector() && !var->type->is_scalar()) + return; + + /* Remove any entries currently in the ACP for this kill. */ + foreach_iter(exec_list_iterator, iter, *this->acp) { + acp_entry *entry = (acp_entry *)iter.get(); + + if (entry->var == var) { + entry->write_mask &= ~write_mask; + if (entry->write_mask == 0) + entry->remove(); + } + } + + /* Add this writemask of the variable to the list of killed + * variables in this block. + */ + foreach_iter(exec_list_iterator, iter, *this->kills) { + kill_entry *entry = (kill_entry *)iter.get(); + + if (entry->var == var) { + entry->write_mask |= write_mask; + return; + } + } + /* Not already in the list. Make new entry. */ + this->kills->push_tail(new(this->mem_ctx) kill_entry(var, write_mask)); +} + +/** + * Adds an entry to the available constant list if it's a plain assignment + * of a variable to a variable. + */ +void +ir_constant_propagation_visitor::add_constant(ir_assignment *ir) +{ + acp_entry *entry; + + if (ir->condition) { + ir_constant *condition = ir->condition->as_constant(); + if (!condition || !condition->value.b[0]) + return; + } + + if (!ir->write_mask) + return; + + ir_dereference_variable *deref = ir->lhs->as_dereference_variable(); + ir_constant *constant = ir->rhs->as_constant(); + + if (!deref || !constant) + return; + + /* Only do constant propagation on vectors. Constant matrices, + * arrays, or structures would require more work elsewhere. + */ + if (!deref->var->type->is_vector() && !deref->var->type->is_scalar()) + return; + + entry = new(this->mem_ctx) acp_entry(deref->var, ir->write_mask, constant); + this->acp->push_tail(entry); +} + +/** + * Does a constant propagation pass on the code present in the instruction stream. + */ +bool +do_constant_propagation(exec_list *instructions) +{ + ir_constant_propagation_visitor v; + + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_constant_variable.cpp b/mesalib/src/glsl/ir_constant_variable.cpp new file mode 100644 index 000000000..1fb73e765 --- /dev/null +++ b/mesalib/src/glsl/ir_constant_variable.cpp @@ -0,0 +1,198 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_constant_variable.cpp + * + * Marks variables assigned a single constant value over the course + * of the program as constant. + * + * The goal here is to trigger further constant folding and then dead + * code elimination. This is common with vector/matrix constructors + * and calls to builtin functions. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +struct assignment_entry { + exec_node link; + int assignment_count; + ir_variable *var; + ir_constant *constval; + bool our_scope; +}; + +class ir_constant_variable_visitor : public ir_hierarchical_visitor { +public: + virtual ir_visitor_status visit_enter(ir_dereference_variable *); + virtual ir_visitor_status visit(ir_variable *); + virtual ir_visitor_status visit_enter(ir_assignment *); + virtual ir_visitor_status visit_enter(ir_call *); + + exec_list list; +}; + +static struct assignment_entry * +get_assignment_entry(ir_variable *var, exec_list *list) +{ + struct assignment_entry *entry; + + foreach_list_typed(struct assignment_entry, entry, link, list) { + if (entry->var == var) + return entry; + } + + entry = (struct assignment_entry *)calloc(1, sizeof(*entry)); + entry->var = var; + list->push_head(&entry->link); + return entry; +} + +ir_visitor_status +ir_constant_variable_visitor::visit(ir_variable *ir) +{ + struct assignment_entry *entry = get_assignment_entry(ir, &this->list); + entry->our_scope = true; + return visit_continue; +} + +/* Skip derefs of variables so that we can detect declarations. */ +ir_visitor_status +ir_constant_variable_visitor::visit_enter(ir_dereference_variable *ir) +{ + (void)ir; + return visit_continue_with_parent; +} + +ir_visitor_status +ir_constant_variable_visitor::visit_enter(ir_assignment *ir) +{ + ir_constant *constval; + struct assignment_entry *entry; + + entry = get_assignment_entry(ir->lhs->variable_referenced(), &this->list); + assert(entry); + entry->assignment_count++; + + /* If it's already constant, don't do the work. */ + if (entry->var->constant_value) + return visit_continue; + + /* OK, now find if we actually have all the right conditions for + * this to be a constant value assigned to the var. + */ + if (ir->condition) { + constval = ir->condition->constant_expression_value(); + if (!constval || !constval->value.b[0]) + return visit_continue; + } + + ir_variable *var = ir->whole_variable_written(); + if (!var) + return visit_continue; + + constval = ir->rhs->constant_expression_value(); + if (!constval) + return visit_continue; + + /* Mark this entry as having a constant assignment (if the + * assignment count doesn't go >1). do_constant_variable will fix + * up the variable with the constant value later. + */ + entry->constval = constval; + + return visit_continue; +} + +ir_visitor_status +ir_constant_variable_visitor::visit_enter(ir_call *ir) +{ + exec_list_iterator sig_iter = ir->get_callee()->parameters.iterator(); + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param_rval = (ir_rvalue *)iter.get(); + ir_variable *param = (ir_variable *)sig_iter.get(); + + if (param->mode == ir_var_out || + param->mode == ir_var_inout) { + ir_variable *var = param_rval->variable_referenced(); + struct assignment_entry *entry; + + assert(var); + entry = get_assignment_entry(var, &this->list); + entry->assignment_count++; + } + sig_iter.next(); + } + return visit_continue; +} + +/** + * Does a copy propagation pass on the code present in the instruction stream. + */ +bool +do_constant_variable(exec_list *instructions) +{ + bool progress = false; + ir_constant_variable_visitor v; + + v.run(instructions); + + while (!v.list.is_empty()) { + + struct assignment_entry *entry; + entry = exec_node_data(struct assignment_entry, v.list.head, link); + + if (entry->assignment_count == 1 && entry->constval && entry->our_scope) { + entry->var->constant_value = entry->constval; + progress = true; + } + entry->link.remove(); + free(entry); + } + + return progress; +} + +bool +do_constant_variable_unlinked(exec_list *instructions) +{ + bool progress = false; + + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + ir_function *f = ir->as_function(); + if (f) { + foreach_iter(exec_list_iterator, sigiter, *f) { + ir_function_signature *sig = + (ir_function_signature *) sigiter.get(); + if (do_constant_variable(&sig->body)) + progress = true; + } + } + } + + return progress; +} diff --git a/mesalib/src/glsl/ir_copy_propagation.cpp b/mesalib/src/glsl/ir_copy_propagation.cpp new file mode 100644 index 000000000..0fe8fa6c4 --- /dev/null +++ b/mesalib/src/glsl/ir_copy_propagation.cpp @@ -0,0 +1,348 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_copy_propagation.cpp + * + * Moves usage of recently-copied variables to the previous copy of + * the variable. + * + * This should reduce the number of MOV instructions in the generated + * programs unless copy propagation is also done on the LIR, and may + * help anyway by triggering other optimizations that live in the HIR. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_basic_block.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +class acp_entry : public exec_node +{ +public: + acp_entry(ir_variable *lhs, ir_variable *rhs) + { + assert(lhs); + assert(rhs); + this->lhs = lhs; + this->rhs = rhs; + } + + ir_variable *lhs; + ir_variable *rhs; +}; + + +class kill_entry : public exec_node +{ +public: + kill_entry(ir_variable *var) + { + assert(var); + this->var = var; + } + + ir_variable *var; +}; + +class ir_copy_propagation_visitor : public ir_hierarchical_visitor { +public: + ir_copy_propagation_visitor() + { + progress = false; + mem_ctx = talloc_new(0); + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + } + ~ir_copy_propagation_visitor() + { + talloc_free(mem_ctx); + } + + virtual ir_visitor_status visit(class ir_dereference_variable *); + virtual ir_visitor_status visit_enter(class ir_loop *); + virtual ir_visitor_status visit_enter(class ir_function_signature *); + virtual ir_visitor_status visit_enter(class ir_function *); + virtual ir_visitor_status visit_leave(class ir_assignment *); + virtual ir_visitor_status visit_enter(class ir_call *); + virtual ir_visitor_status visit_enter(class ir_if *); + + void add_copy(ir_assignment *ir); + void kill(ir_variable *ir); + void handle_if_block(exec_list *instructions); + + /** List of acp_entry: The available copies to propagate */ + exec_list *acp; + /** + * List of kill_entry: The variables whose values were killed in this + * block. + */ + exec_list *kills; + + bool progress; + + bool killed_all; + + void *mem_ctx; +}; + +ir_visitor_status +ir_copy_propagation_visitor::visit_enter(ir_function_signature *ir) +{ + /* Treat entry into a function signature as a completely separate + * block. Any instructions at global scope will be shuffled into + * main() at link time, so they're irrelevant to us. + */ + exec_list *orig_acp = this->acp; + exec_list *orig_kills = this->kills; + bool orig_killed_all = this->killed_all; + + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + this->killed_all = false; + + visit_list_elements(this, &ir->body); + + this->kills = orig_kills; + this->acp = orig_acp; + this->killed_all = orig_killed_all; + + return visit_continue_with_parent; +} + +ir_visitor_status +ir_copy_propagation_visitor::visit_leave(ir_assignment *ir) +{ + kill(ir->lhs->variable_referenced()); + + add_copy(ir); + + return visit_continue; +} + +ir_visitor_status +ir_copy_propagation_visitor::visit_enter(ir_function *ir) +{ + (void) ir; + return visit_continue; +} + +/** + * Replaces dereferences of ACP RHS variables with ACP LHS variables. + * + * This is where the actual copy propagation occurs. Note that the + * rewriting of ir_dereference means that the ir_dereference instance + * must not be shared by multiple IR operations! + */ +ir_visitor_status +ir_copy_propagation_visitor::visit(ir_dereference_variable *ir) +{ + if (this->in_assignee) + return visit_continue; + + ir_variable *var = ir->var; + + foreach_iter(exec_list_iterator, iter, *this->acp) { + acp_entry *entry = (acp_entry *)iter.get(); + + if (var == entry->lhs) { + ir->var = entry->rhs; + this->progress = true; + break; + } + } + + return visit_continue; +} + + +ir_visitor_status +ir_copy_propagation_visitor::visit_enter(ir_call *ir) +{ + /* Do copy propagation on call parameters, but skip any out params */ + exec_list_iterator sig_param_iter = ir->get_callee()->parameters.iterator(); + foreach_iter(exec_list_iterator, iter, ir->actual_parameters) { + ir_variable *sig_param = (ir_variable *)sig_param_iter.get(); + ir_instruction *ir = (ir_instruction *)iter.get(); + if (sig_param->mode != ir_var_out && sig_param->mode != ir_var_inout) { + ir->accept(this); + } + sig_param_iter.next(); + } + + /* Since we're unlinked, we don't (necssarily) know the side effects of + * this call. So kill all copies. + */ + acp->make_empty(); + this->killed_all = true; + + return visit_continue_with_parent; +} + +void +ir_copy_propagation_visitor::handle_if_block(exec_list *instructions) +{ + exec_list *orig_acp = this->acp; + exec_list *orig_kills = this->kills; + bool orig_killed_all = this->killed_all; + + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + this->killed_all = false; + + /* Populate the initial acp with a copy of the original */ + foreach_iter(exec_list_iterator, iter, *orig_acp) { + acp_entry *a = (acp_entry *)iter.get(); + this->acp->push_tail(new(this->mem_ctx) acp_entry(a->lhs, a->rhs)); + } + + visit_list_elements(this, instructions); + + if (this->killed_all) { + orig_acp->make_empty(); + } + + exec_list *new_kills = this->kills; + this->kills = orig_kills; + this->acp = orig_acp; + this->killed_all = this->killed_all || orig_killed_all; + + foreach_iter(exec_list_iterator, iter, *new_kills) { + kill_entry *k = (kill_entry *)iter.get(); + kill(k->var); + } +} + +ir_visitor_status +ir_copy_propagation_visitor::visit_enter(ir_if *ir) +{ + ir->condition->accept(this); + + handle_if_block(&ir->then_instructions); + handle_if_block(&ir->else_instructions); + + /* handle_if_block() already descended into the children. */ + return visit_continue_with_parent; +} + +ir_visitor_status +ir_copy_propagation_visitor::visit_enter(ir_loop *ir) +{ + exec_list *orig_acp = this->acp; + exec_list *orig_kills = this->kills; + bool orig_killed_all = this->killed_all; + + /* FINISHME: For now, the initial acp for loops is totally empty. + * We could go through once, then go through again with the acp + * cloned minus the killed entries after the first run through. + */ + this->acp = new(mem_ctx) exec_list; + this->kills = new(mem_ctx) exec_list; + this->killed_all = false; + + visit_list_elements(this, &ir->body_instructions); + + if (this->killed_all) { + orig_acp->make_empty(); + } + + exec_list *new_kills = this->kills; + this->kills = orig_kills; + this->acp = orig_acp; + this->killed_all = this->killed_all || orig_killed_all; + + foreach_iter(exec_list_iterator, iter, *new_kills) { + kill_entry *k = (kill_entry *)iter.get(); + kill(k->var); + } + + /* already descended into the children. */ + return visit_continue_with_parent; +} + +void +ir_copy_propagation_visitor::kill(ir_variable *var) +{ + assert(var != NULL); + + /* Remove any entries currently in the ACP for this kill. */ + foreach_iter(exec_list_iterator, iter, *acp) { + acp_entry *entry = (acp_entry *)iter.get(); + + if (entry->lhs == var || entry->rhs == var) { + entry->remove(); + } + } + + /* Add the LHS variable to the list of killed variables in this block. + */ + this->kills->push_tail(new(this->mem_ctx) kill_entry(var)); +} + +/** + * Adds an entry to the available copy list if it's a plain assignment + * of a variable to a variable. + */ +void +ir_copy_propagation_visitor::add_copy(ir_assignment *ir) +{ + acp_entry *entry; + + if (ir->condition) { + ir_constant *condition = ir->condition->as_constant(); + if (!condition || !condition->value.b[0]) + return; + } + + ir_variable *lhs_var = ir->whole_variable_written(); + ir_variable *rhs_var = ir->rhs->whole_variable_referenced(); + + if ((lhs_var != NULL) && (rhs_var != NULL)) { + if (lhs_var == rhs_var) { + /* This is a dumb assignment, but we've conveniently noticed + * it here. Removing it now would mess up the loop iteration + * calling us. Just flag it to not execute, and someone else + * will clean up the mess. + */ + ir->condition = new(talloc_parent(ir)) ir_constant(false); + this->progress = true; + } else { + entry = new(this->mem_ctx) acp_entry(lhs_var, rhs_var); + this->acp->push_tail(entry); + } + } +} + +/** + * Does a copy propagation pass on the code present in the instruction stream. + */ +bool +do_copy_propagation(exec_list *instructions) +{ + ir_copy_propagation_visitor v; + + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_dead_code.cpp b/mesalib/src/glsl/ir_dead_code.cpp new file mode 100644 index 000000000..5cf5e99ad --- /dev/null +++ b/mesalib/src/glsl/ir_dead_code.cpp @@ -0,0 +1,142 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_dead_code.cpp + * + * Eliminates dead assignments and variable declarations from the code. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_variable_refcount.h" +#include "glsl_types.h" + +static bool debug = false; + +/** + * Do a dead code pass over instructions and everything that instructions + * references. + * + * Note that this will remove assignments to globals, so it is not suitable + * for usage on an unlinked instruction stream. + */ +bool +do_dead_code(exec_list *instructions) +{ + ir_variable_refcount_visitor v; + bool progress = false; + + v.run(instructions); + + foreach_iter(exec_list_iterator, iter, v.variable_list) { + variable_entry *entry = (variable_entry *)iter.get(); + + /* Since each assignment is a reference, the refereneced count must be + * greater than or equal to the assignment count. If they are equal, + * then all of the references are assignments, and the variable is + * dead. + * + * Note that if the variable is neither assigned nor referenced, both + * counts will be zero and will be caught by the equality test. + */ + assert(entry->referenced_count >= entry->assigned_count); + + if (debug) { + printf("%s@%p: %d refs, %d assigns, %sdeclared in our scope\n", + entry->var->name, (void *) entry->var, + entry->referenced_count, entry->assigned_count, + entry->declaration ? "" : "not "); + } + + if ((entry->referenced_count > entry->assigned_count) + || !entry->declaration) + continue; + + if (entry->assign) { + /* Remove a single dead assignment to the variable we found. + * Don't do so if it's a shader output, though. + */ + if (entry->var->mode != ir_var_out && + entry->var->mode != ir_var_inout && + !ir_has_call(entry->assign)) { + entry->assign->remove(); + progress = true; + + if (debug) { + printf("Removed assignment to %s@%p\n", + entry->var->name, (void *) entry->var); + } + } + } else { + /* If there are no assignments or references to the variable left, + * then we can remove its declaration. + */ + + /* uniform initializers are precious, and could get used by another + * stage. + */ + if (entry->var->mode == ir_var_uniform && + entry->var->constant_value) + continue; + + entry->var->remove(); + progress = true; + + if (debug) { + printf("Removed declaration of %s@%p\n", + entry->var->name, (void *) entry->var); + } + } + } + + return progress; +} + +/** + * Does a dead code pass on the functions present in the instruction stream. + * + * This is suitable for use while the program is not linked, as it will + * ignore variable declarations (and the assignments to them) for variables + * with global scope. + */ +bool +do_dead_code_unlinked(exec_list *instructions) +{ + bool progress = false; + + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + ir_function *f = ir->as_function(); + if (f) { + foreach_iter(exec_list_iterator, sigiter, *f) { + ir_function_signature *sig = + (ir_function_signature *) sigiter.get(); + if (do_dead_code(&sig->body)) + progress = true; + } + } + } + + return progress; +} diff --git a/mesalib/src/glsl/ir_dead_code_local.cpp b/mesalib/src/glsl/ir_dead_code_local.cpp new file mode 100644 index 000000000..4bbedf0ff --- /dev/null +++ b/mesalib/src/glsl/ir_dead_code_local.cpp @@ -0,0 +1,229 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_dead_code_local.cpp + * + * Eliminates local dead assignments from the code. + * + * This operates on basic blocks, tracking assignments and finding if + * they're used before the variable is completely reassigned. + * + * Compare this to ir_dead_code.cpp, which operates globally looking + * for assignments to variables that are never read. + */ + +#include "ir.h" +#include "ir_basic_block.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +static bool debug = false; + +class assignment_entry : public exec_node +{ +public: + assignment_entry(ir_variable *lhs, ir_instruction *ir) + { + assert(lhs); + assert(ir); + this->lhs = lhs; + this->ir = ir; + } + + ir_variable *lhs; + ir_instruction *ir; +}; + +class kill_for_derefs_visitor : public ir_hierarchical_visitor { +public: + kill_for_derefs_visitor(exec_list *assignments) + { + this->assignments = assignments; + } + + virtual ir_visitor_status visit(ir_dereference_variable *ir) + { + ir_variable *const var = ir->variable_referenced(); + + foreach_iter(exec_list_iterator, iter, *this->assignments) { + assignment_entry *entry = (assignment_entry *)iter.get(); + + if (entry->lhs == var) { + if (debug) + printf("kill %s\n", entry->lhs->name); + entry->remove(); + } + } + + return visit_continue; + } + +private: + exec_list *assignments; +}; + +class array_index_visit : public ir_hierarchical_visitor { +public: + array_index_visit(ir_hierarchical_visitor *v) + { + this->visitor = v; + } + + virtual ir_visitor_status visit_enter(class ir_dereference_array *ir) + { + ir->array_index->accept(visitor); + return visit_continue; + } + + static void run(ir_instruction *ir, ir_hierarchical_visitor *v) + { + array_index_visit top_visit(v); + ir->accept(& top_visit); + } + + ir_hierarchical_visitor *visitor; +}; + + +/** + * Adds an entry to the available copy list if it's a plain assignment + * of a variable to a variable. + */ +static bool +process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments) +{ + ir_variable *var = NULL; + bool progress = false; + kill_for_derefs_visitor v(assignments); + + /* Kill assignment entries for things used to produce this assignment. */ + ir->rhs->accept(&v); + if (ir->condition) { + ir->condition->accept(&v); + } + + /* Kill assignment enties used as array indices. + */ + array_index_visit::run(ir->lhs, &v); + var = ir->lhs->variable_referenced(); + assert(var); + + bool always_assign = true; + if (ir->condition) { + ir_constant *condition = ir->condition->as_constant(); + if (!condition || !condition->value.b[0]) + always_assign = false; + } + + /* Now, check if we did a whole-variable assignment. */ + if (always_assign && (ir->whole_variable_written() != NULL)) { + /* We did a whole-variable assignment. So, any instruction in + * the assignment list with the same LHS is dead. + */ + if (debug) + printf("looking for %s to remove\n", var->name); + foreach_iter(exec_list_iterator, iter, *assignments) { + assignment_entry *entry = (assignment_entry *)iter.get(); + + if (entry->lhs == var) { + if (debug) + printf("removing %s\n", var->name); + entry->ir->remove(); + entry->remove(); + progress = true; + } + } + } + + /* Add this instruction to the assignment list available to be removed. + * But not if the assignment has other side effects. + */ + if (ir_has_call(ir)) + return progress; + + assignment_entry *entry = new(ctx) assignment_entry(var, ir); + assignments->push_tail(entry); + + if (debug) { + printf("add %s\n", var->name); + + printf("current entries\n"); + foreach_iter(exec_list_iterator, iter, *assignments) { + assignment_entry *entry = (assignment_entry *)iter.get(); + + printf(" %s\n", entry->lhs->name); + } + } + + return progress; +} + +static void +dead_code_local_basic_block(ir_instruction *first, + ir_instruction *last, + void *data) +{ + ir_instruction *ir, *ir_next; + /* List of avaialble_copy */ + exec_list assignments; + bool *out_progress = (bool *)data; + bool progress = false; + + void *ctx = talloc_new(NULL); + /* Safe looping, since process_assignment */ + for (ir = first, ir_next = (ir_instruction *)first->next;; + ir = ir_next, ir_next = (ir_instruction *)ir->next) { + ir_assignment *ir_assign = ir->as_assignment(); + + if (debug) { + ir->print(); + printf("\n"); + } + + if (ir_assign) { + progress = process_assignment(ctx, ir_assign, &assignments) || progress; + } else { + kill_for_derefs_visitor kill(&assignments); + ir->accept(&kill); + } + + if (ir == last) + break; + } + *out_progress = progress; + talloc_free(ctx); +} + +/** + * Does a copy propagation pass on the code present in the instruction stream. + */ +bool +do_dead_code_local(exec_list *instructions) +{ + bool progress = false; + + call_for_basic_blocks(instructions, dead_code_local_basic_block, &progress); + + return progress; +} diff --git a/mesalib/src/glsl/ir_dead_functions.cpp b/mesalib/src/glsl/ir_dead_functions.cpp new file mode 100644 index 000000000..26554441d --- /dev/null +++ b/mesalib/src/glsl/ir_dead_functions.cpp @@ -0,0 +1,151 @@ + /* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + + /** + * \file ir_dead_functions.cpp + * + * Eliminates unused functions from the linked program. + */ + + #include "ir.h" + #include "ir_visitor.h" + #include "ir_expression_flattening.h" + #include "glsl_types.h" + + class signature_entry : public exec_node + { + public: + signature_entry(ir_function_signature *sig) + { + this->signature = sig; + this->used = false; + } + + ir_function_signature *signature; + bool used; + }; + + class ir_dead_functions_visitor : public ir_hierarchical_visitor { + public: + ir_dead_functions_visitor() + { + this->mem_ctx = talloc_new(NULL); + } + + ~ir_dead_functions_visitor() + { + talloc_free(this->mem_ctx); + } + + virtual ir_visitor_status visit_enter(ir_function_signature *); + virtual ir_visitor_status visit_enter(ir_call *); + + signature_entry *get_signature_entry(ir_function_signature *var); + + bool (*predicate)(ir_instruction *ir); + + /* List of signature_entry */ + exec_list signature_list; + void *mem_ctx; + }; + + + signature_entry * + ir_dead_functions_visitor::get_signature_entry(ir_function_signature *sig) + { + foreach_iter(exec_list_iterator, iter, this->signature_list) { + signature_entry *entry = (signature_entry *)iter.get(); + if (entry->signature == sig) + return entry; + } + + signature_entry *entry = new(mem_ctx) signature_entry(sig); + this->signature_list.push_tail(entry); + return entry; + } + + + ir_visitor_status + ir_dead_functions_visitor::visit_enter(ir_function_signature *ir) + { + signature_entry *entry = this->get_signature_entry(ir); + + if (strcmp(ir->function_name(), "main") == 0) { + entry->used = true; + } + + return visit_continue; + } + + + ir_visitor_status + ir_dead_functions_visitor::visit_enter(ir_call *ir) + { + signature_entry *entry = this->get_signature_entry(ir->get_callee()); + + entry->used = true; + + return visit_continue; +} + +bool +do_dead_functions(exec_list *instructions) +{ + ir_dead_functions_visitor v; + bool progress = false; + + visit_list_elements(&v, instructions); + + /* Now that we've figured out which function signatures are used, remove + * the unused ones, and remove function definitions that have no more + * signatures. + */ + foreach_iter(exec_list_iterator, iter, v.signature_list) { + signature_entry *entry = (signature_entry *)iter.get(); + + if (!entry->used) { + entry->signature->remove(); + progress = true; + } + delete(entry); + } + + /* We don't just do this above when we nuked a signature because of + * const pointers. + */ + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + ir_function *func = ir->as_function(); + + if (func && func->signatures.is_empty()) { + /* At this point (post-linking), the symbol table is no + * longer in use, so not removing the function from the + * symbol table should be OK. + */ + func->remove(); + progress = true; + } + } + + return progress; +} diff --git a/mesalib/src/glsl/ir_div_to_mul_rcp.cpp b/mesalib/src/glsl/ir_div_to_mul_rcp.cpp new file mode 100644 index 000000000..640d5d64f --- /dev/null +++ b/mesalib/src/glsl/ir_div_to_mul_rcp.cpp @@ -0,0 +1,115 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_div_to_mul_rcp.cpp + * + * Breaks an ir_unop_div expression down to op0 * (rcp(op1)). + * + * Many GPUs don't have a divide instruction (945 and 965 included), + * but they do have an RCP instruction to compute an approximate + * reciprocal. By breaking the operation down, constant reciprocals + * can get constant folded. + */ + +#include "ir.h" +#include "glsl_types.h" + +class ir_div_to_mul_rcp_visitor : public ir_hierarchical_visitor { +public: + ir_div_to_mul_rcp_visitor() + { + this->made_progress = false; + } + + ir_visitor_status visit_leave(ir_expression *); + + bool made_progress; +}; + +bool +do_div_to_mul_rcp(exec_list *instructions) +{ + ir_div_to_mul_rcp_visitor v; + + visit_list_elements(&v, instructions); + return v.made_progress; +} + +ir_visitor_status +ir_div_to_mul_rcp_visitor::visit_leave(ir_expression *ir) +{ + if (ir->operation != ir_binop_div) + return visit_continue; + + if (ir->operands[1]->type->base_type != GLSL_TYPE_INT && + ir->operands[1]->type->base_type != GLSL_TYPE_UINT) { + /* New expression for the 1.0 / op1 */ + ir_rvalue *expr; + expr = new(ir) ir_expression(ir_unop_rcp, + ir->operands[1]->type, + ir->operands[1], + NULL); + + /* op0 / op1 -> op0 * (1.0 / op1) */ + ir->operation = ir_binop_mul; + ir->operands[1] = expr; + } else { + /* Be careful with integer division -- we need to do it as a + * float and re-truncate, since rcp(n > 1) of an integer would + * just be 0. + */ + ir_rvalue *op0, *op1; + const struct glsl_type *vec_type; + + vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT, + ir->operands[1]->type->vector_elements, + ir->operands[1]->type->matrix_columns); + + if (ir->operands[1]->type->base_type == GLSL_TYPE_INT) + op1 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[1], NULL); + else + op1 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[1], NULL); + + op1 = new(ir) ir_expression(ir_unop_rcp, op1->type, op1, NULL); + + vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT, + ir->operands[0]->type->vector_elements, + ir->operands[0]->type->matrix_columns); + + if (ir->operands[0]->type->base_type == GLSL_TYPE_INT) + op0 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[0], NULL); + else + op0 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[0], NULL); + + op0 = new(ir) ir_expression(ir_binop_mul, vec_type, op0, op1); + + ir->operation = ir_unop_f2i; + ir->operands[0] = op0; + ir->operands[1] = NULL; + } + + this->made_progress = true; + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_explog_to_explog2.cpp b/mesalib/src/glsl/ir_explog_to_explog2.cpp new file mode 100644 index 000000000..78694a202 --- /dev/null +++ b/mesalib/src/glsl/ir_explog_to_explog2.cpp @@ -0,0 +1,85 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_explog_to_explog2.cpp + * + * Many GPUs don't have a base e log or exponent instruction, but they + * do have base 2 versions, so this pass converts exp and log to exp2 + * and log2 operations. + */ + +#include "main/core.h" /* for log2f on MSVC */ +#include "ir.h" +#include "glsl_types.h" + +class ir_explog_to_explog2_visitor : public ir_hierarchical_visitor { +public: + ir_explog_to_explog2_visitor() + { + this->progress = false; + } + + ir_visitor_status visit_leave(ir_expression *); + + bool progress; +}; + +bool +do_explog_to_explog2(exec_list *instructions) +{ + ir_explog_to_explog2_visitor v; + + visit_list_elements(&v, instructions); + return v.progress; +} + +ir_visitor_status +ir_explog_to_explog2_visitor::visit_leave(ir_expression *ir) +{ + if (ir->operation == ir_unop_exp) { + void *mem_ctx = talloc_parent(ir); + ir_constant *log2_e = new(mem_ctx) ir_constant(log2f(M_E)); + + ir->operation = ir_unop_exp2; + ir->operands[0] = new(mem_ctx) ir_expression(ir_binop_mul, + ir->operands[0]->type, + ir->operands[0], + log2_e); + this->progress = true; + } + + if (ir->operation == ir_unop_log) { + void *mem_ctx = talloc_parent(ir); + + ir->operation = ir_binop_mul; + ir->operands[0] = new(mem_ctx) ir_expression(ir_unop_log2, + ir->operands[0]->type, + ir->operands[0], + NULL); + ir->operands[1] = new(mem_ctx) ir_constant(1.0f / log2f(M_E)); + this->progress = true; + } + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_expression_flattening.cpp b/mesalib/src/glsl/ir_expression_flattening.cpp new file mode 100644 index 000000000..7b1b8dbfe --- /dev/null +++ b/mesalib/src/glsl/ir_expression_flattening.cpp @@ -0,0 +1,92 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_expression_flattening.cpp + * + * Takes the leaves of expression trees and makes them dereferences of + * assignments of the leaves to temporaries, according to a predicate. + * + * This is used for automatic function inlining, where we want to take + * an expression containing a call and move the call out to its own + * assignment so that we can inline it at the appropriate place in the + * instruction stream. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_expression_flattening.h" +#include "glsl_types.h" + +class ir_expression_flattening_visitor : public ir_rvalue_visitor { +public: + ir_expression_flattening_visitor(bool (*predicate)(ir_instruction *ir)) + { + this->predicate = predicate; + } + + virtual ~ir_expression_flattening_visitor() + { + /* empty */ + } + + void handle_rvalue(ir_rvalue **rvalue); + bool (*predicate)(ir_instruction *ir); +}; + +void +do_expression_flattening(exec_list *instructions, + bool (*predicate)(ir_instruction *ir)) +{ + ir_expression_flattening_visitor v(predicate); + + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + + ir->accept(&v); + } +} + +void +ir_expression_flattening_visitor::handle_rvalue(ir_rvalue **rvalue) +{ + ir_variable *var; + ir_assignment *assign; + ir_rvalue *ir = *rvalue; + + if (!ir || !this->predicate(ir)) + return; + + void *ctx = talloc_parent(ir); + + var = new(ctx) ir_variable(ir->type, "flattening_tmp", ir_var_temporary); + base_ir->insert_before(var); + + assign = new(ctx) ir_assignment(new(ctx) ir_dereference_variable(var), + ir, + NULL); + base_ir->insert_before(assign); + + *rvalue = new(ctx) ir_dereference_variable(var); +} diff --git a/mesalib/src/glsl/ir_expression_flattening.h b/mesalib/src/glsl/ir_expression_flattening.h new file mode 100644 index 000000000..2eda15900 --- /dev/null +++ b/mesalib/src/glsl/ir_expression_flattening.h @@ -0,0 +1,38 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file ir_expression_flattening.h + * + * Takes the leaves of expression trees and makes them dereferences of + * assignments of the leaves to temporaries, according to a predicate. + * + * This is used for automatic function inlining, where we want to take + * an expression containing a call and move the call out to its own + * assignment so that we can inline it at the appropriate place in the + * instruction stream. + */ + +void do_expression_flattening(exec_list *instructions, + bool (*predicate)(ir_instruction *ir)); diff --git a/mesalib/src/glsl/ir_function.cpp b/mesalib/src/glsl/ir_function.cpp new file mode 100644 index 000000000..dfdec144b --- /dev/null +++ b/mesalib/src/glsl/ir_function.cpp @@ -0,0 +1,227 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "glsl_types.h" +#include "ir.h" + +int +type_compare(const glsl_type *a, const glsl_type *b) +{ + /* If the types are the same, they trivially match. + */ + if (a == b) + return 0; + + switch (a->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_BOOL: + /* There is no implicit conversion to or from integer types or bool. + */ + if ((a->is_integer() != b->is_integer()) + || (a->is_boolean() != b->is_boolean())) + return -1; + + /* FALLTHROUGH */ + + case GLSL_TYPE_FLOAT: + if ((a->vector_elements != b->vector_elements) + || (a->matrix_columns != b->matrix_columns)) + return -1; + + return 1; + + case GLSL_TYPE_SAMPLER: + case GLSL_TYPE_STRUCT: + /* Samplers and structures must match exactly. + */ + return -1; + + case GLSL_TYPE_ARRAY: + if ((b->base_type != GLSL_TYPE_ARRAY) + || (a->length != b->length)) + return -1; + + /* From GLSL 1.50 spec, page 27 (page 33 of the PDF): + * "There are no implicit array or structure conversions." + * + * If the comparison of the array element types detects that a conversion + * would be required, the array types do not match. + */ + return (type_compare(a->fields.array, b->fields.array) == 0) ? 0 : -1; + + case GLSL_TYPE_FUNCTION: + case GLSL_TYPE_VOID: + case GLSL_TYPE_ERROR: + default: + /* These are all error conditions. It is invalid for a parameter to + * a function to be declared as error, void, or a function. + */ + return -1; + } + + /* This point should be unreachable. + */ + assert(0); +} + + +static int +parameter_lists_match(const exec_list *list_a, const exec_list *list_b) +{ + const exec_node *node_a = list_a->head; + const exec_node *node_b = list_b->head; + int total_score = 0; + + for (/* empty */ + ; !node_a->is_tail_sentinel() + ; node_a = node_a->next, node_b = node_b->next) { + /* If all of the parameters from the other parameter list have been + * exhausted, the lists have different length and, by definition, + * do not match. + */ + if (node_b->is_tail_sentinel()) + return -1; + + + const ir_variable *const param = (ir_variable *) node_a; + const ir_instruction *const actual = (ir_instruction *) node_b; + + /* Determine whether or not the types match. If the types are an + * exact match, the match score is zero. If the types don't match + * but the actual parameter can be coerced to the type of the declared + * parameter, the match score is one. + */ + int score; + switch ((enum ir_variable_mode)(param->mode)) { + case ir_var_auto: + case ir_var_uniform: + case ir_var_temporary: + /* These are all error conditions. It is invalid for a parameter to + * a function to be declared as auto (not in, out, or inout) or + * as uniform. + */ + assert(0); + return -1; + + case ir_var_in: + score = type_compare(param->type, actual->type); + break; + + case ir_var_out: + score = type_compare(actual->type, param->type); + break; + + case ir_var_inout: + /* Since there are no bi-directional automatic conversions (e.g., + * there is int -> float but no float -> int), inout parameters must + * be exact matches. + */ + score = (type_compare(actual->type, param->type) == 0) ? 0 : -1; + break; + + default: + assert(false); + } + + if (score < 0) + return -1; + + total_score += score; + } + + /* If all of the parameters from the other parameter list have been + * exhausted, the lists have different length and, by definition, do not + * match. + */ + if (!node_b->is_tail_sentinel()) + return -1; + + return total_score; +} + + +ir_function_signature * +ir_function::matching_signature(const exec_list *actual_parameters) +{ + ir_function_signature *match = NULL; + + foreach_iter(exec_list_iterator, iter, signatures) { + ir_function_signature *const sig = + (ir_function_signature *) iter.get(); + + const int score = parameter_lists_match(& sig->parameters, + actual_parameters); + + if (score == 0) + return sig; + + if (score > 0) { + if (match != NULL) + return NULL; + + match = sig; + } + } + + return match; +} + + +static bool +parameter_lists_match_exact(const exec_list *list_a, const exec_list *list_b) +{ + const exec_node *node_a = list_a->head; + const exec_node *node_b = list_b->head; + + for (/* empty */ + ; !node_a->is_tail_sentinel() && !node_b->is_tail_sentinel() + ; node_a = node_a->next, node_b = node_b->next) { + ir_variable *a = (ir_variable *) node_a; + ir_variable *b = (ir_variable *) node_b; + + /* If the types of the parameters do not match, the parameters lists + * are different. + */ + if (a->type != b->type) + return false; + } + + /* Unless both lists are exhausted, they differ in length and, by + * definition, do not match. + */ + return (node_a->is_tail_sentinel() == node_b->is_tail_sentinel()); +} + +ir_function_signature * +ir_function::exact_matching_signature(const exec_list *actual_parameters) +{ + foreach_iter(exec_list_iterator, iter, signatures) { + ir_function_signature *const sig = + (ir_function_signature *) iter.get(); + + if (parameter_lists_match_exact(&sig->parameters, actual_parameters)) + return sig; + } + return NULL; +} diff --git a/mesalib/src/glsl/ir_function_can_inline.cpp b/mesalib/src/glsl/ir_function_can_inline.cpp new file mode 100644 index 000000000..f29f277ef --- /dev/null +++ b/mesalib/src/glsl/ir_function_can_inline.cpp @@ -0,0 +1,74 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_function_can_inline.cpp + * + * Determines if we can inline a function call using ir_function_inlining.cpp. + * + * The primary restriction is that we can't return from the function + * other than as the last instruction. We could potentially work + * around this for some constructs by flattening control flow and + * moving the return to the end, or by using breaks from a do {} while + * (0) loop surrounding the function body. + */ + +#include "ir.h" + +class ir_function_can_inline_visitor : public ir_hierarchical_visitor { +public: + ir_function_can_inline_visitor() + { + this->num_returns = 0; + } + + virtual ir_visitor_status visit_enter(ir_return *); + + int num_returns; +}; + +ir_visitor_status +ir_function_can_inline_visitor::visit_enter(ir_return *ir) +{ + (void) ir; + this->num_returns++; + return visit_continue; +} + +bool +can_inline(ir_call *call) +{ + ir_function_can_inline_visitor v; + const ir_function_signature *callee = call->get_callee(); + + v.run((exec_list *) &callee->body); + + /* If the function is empty (no last instruction) or does not end with a + * return statement, we need to count the implicit return. + */ + ir_instruction *last = (ir_instruction *)callee->body.get_tail(); + if (last == NULL || !last->as_return()) + v.num_returns++; + + return v.num_returns == 1; +} diff --git a/mesalib/src/glsl/ir_function_inlining.cpp b/mesalib/src/glsl/ir_function_inlining.cpp new file mode 100644 index 000000000..874602c84 --- /dev/null +++ b/mesalib/src/glsl/ir_function_inlining.cpp @@ -0,0 +1,417 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_function_inlining.cpp + * + * Replaces calls to functions with the body of the function. + */ + +#include <inttypes.h> +#include "ir.h" +#include "ir_visitor.h" +#include "ir_function_inlining.h" +#include "ir_expression_flattening.h" +#include "glsl_types.h" +#include "program/hash_table.h" + +static void +do_sampler_replacement(exec_list *instructions, + ir_variable *sampler, + ir_dereference *deref); + +class ir_function_inlining_visitor : public ir_hierarchical_visitor { +public: + ir_function_inlining_visitor() + { + progress = false; + } + + virtual ~ir_function_inlining_visitor() + { + /* empty */ + } + + virtual ir_visitor_status visit_enter(ir_expression *); + virtual ir_visitor_status visit_enter(ir_call *); + virtual ir_visitor_status visit_enter(ir_assignment *); + virtual ir_visitor_status visit_enter(ir_return *); + virtual ir_visitor_status visit_enter(ir_texture *); + virtual ir_visitor_status visit_enter(ir_swizzle *); + + bool progress; +}; + + +bool +automatic_inlining_predicate(ir_instruction *ir) +{ + ir_call *call = ir->as_call(); + + if (call && can_inline(call)) + return true; + + return false; +} + +bool +do_function_inlining(exec_list *instructions) +{ + ir_function_inlining_visitor v; + + do_expression_flattening(instructions, automatic_inlining_predicate); + + v.run(instructions); + + return v.progress; +} + +static void +replace_return_with_assignment(ir_instruction *ir, void *data) +{ + void *ctx = talloc_parent(ir); + ir_variable *retval = (ir_variable *)data; + ir_return *ret = ir->as_return(); + + if (ret) { + if (ret->value) { + ir_rvalue *lhs = new(ctx) ir_dereference_variable(retval); + ret->replace_with(new(ctx) ir_assignment(lhs, ret->value, NULL)); + } else { + /* un-valued return has to be the last return, or we shouldn't + * have reached here. (see can_inline()). + */ + assert(ret->next->is_tail_sentinel()); + ret->remove(); + } + } +} + +ir_rvalue * +ir_call::generate_inline(ir_instruction *next_ir) +{ + void *ctx = talloc_parent(this); + ir_variable **parameters; + int num_parameters; + int i; + ir_variable *retval = NULL; + struct hash_table *ht; + + ht = hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare); + + num_parameters = 0; + foreach_iter(exec_list_iterator, iter_sig, this->callee->parameters) + num_parameters++; + + parameters = new ir_variable *[num_parameters]; + + /* Generate storage for the return value. */ + if (this->callee->return_type) { + retval = new(ctx) ir_variable(this->callee->return_type, "_ret_val", + ir_var_auto); + next_ir->insert_before(retval); + } + + /* Generate the declarations for the parameters to our inlined code, + * and set up the mapping of real function body variables to ours. + */ + i = 0; + exec_list_iterator sig_param_iter = this->callee->parameters.iterator(); + exec_list_iterator param_iter = this->actual_parameters.iterator(); + for (i = 0; i < num_parameters; i++) { + ir_variable *sig_param = (ir_variable *) sig_param_iter.get(); + ir_rvalue *param = (ir_rvalue *) param_iter.get(); + + /* Generate a new variable for the parameter. */ + if (sig_param->type->base_type == GLSL_TYPE_SAMPLER) { + /* For samplers, we want the inlined sampler references + * referencing the passed in sampler variable, since that + * will have the location information, which an assignment of + * a sampler wouldn't. Fix it up below. + */ + parameters[i] = NULL; + } else { + parameters[i] = sig_param->clone(ctx, ht); + parameters[i]->mode = ir_var_auto; + next_ir->insert_before(parameters[i]); + } + + /* Move the actual param into our param variable if it's an 'in' type. */ + if (parameters[i] && (sig_param->mode == ir_var_in || + sig_param->mode == ir_var_inout)) { + ir_assignment *assign; + + assign = new(ctx) ir_assignment(new(ctx) ir_dereference_variable(parameters[i]), + param, NULL); + next_ir->insert_before(assign); + } + + sig_param_iter.next(); + param_iter.next(); + } + + exec_list new_instructions; + + /* Generate the inlined body of the function to a new list */ + foreach_iter(exec_list_iterator, iter, callee->body) { + ir_instruction *ir = (ir_instruction *)iter.get(); + ir_instruction *new_ir = ir->clone(ctx, ht); + + new_instructions.push_tail(new_ir); + visit_tree(new_ir, replace_return_with_assignment, retval); + } + + /* If any samplers were passed in, replace any deref of the sampler + * with a deref of the sampler argument. + */ + param_iter = this->actual_parameters.iterator(); + sig_param_iter = this->callee->parameters.iterator(); + for (i = 0; i < num_parameters; i++) { + ir_instruction *const param = (ir_instruction *) param_iter.get(); + ir_variable *sig_param = (ir_variable *) sig_param_iter.get(); + + if (sig_param->type->base_type == GLSL_TYPE_SAMPLER) { + ir_dereference *deref = param->as_dereference(); + + assert(deref); + do_sampler_replacement(&new_instructions, sig_param, deref); + } + param_iter.next(); + sig_param_iter.next(); + } + + /* Now push those new instructions in. */ + foreach_iter(exec_list_iterator, iter, new_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + next_ir->insert_before(ir); + } + + /* Copy back the value of any 'out' parameters from the function body + * variables to our own. + */ + i = 0; + param_iter = this->actual_parameters.iterator(); + sig_param_iter = this->callee->parameters.iterator(); + for (i = 0; i < num_parameters; i++) { + ir_instruction *const param = (ir_instruction *) param_iter.get(); + const ir_variable *const sig_param = (ir_variable *) sig_param_iter.get(); + + /* Move our param variable into the actual param if it's an 'out' type. */ + if (parameters[i] && (sig_param->mode == ir_var_out || + sig_param->mode == ir_var_inout)) { + ir_assignment *assign; + + assign = new(ctx) ir_assignment(param->clone(ctx, NULL)->as_rvalue(), + new(ctx) ir_dereference_variable(parameters[i]), + NULL); + next_ir->insert_before(assign); + } + + param_iter.next(); + sig_param_iter.next(); + } + + delete [] parameters; + + hash_table_dtor(ht); + + if (retval) + return new(ctx) ir_dereference_variable(retval); + else + return NULL; +} + + +ir_visitor_status +ir_function_inlining_visitor::visit_enter(ir_expression *ir) +{ + (void) ir; + return visit_continue_with_parent; +} + + +ir_visitor_status +ir_function_inlining_visitor::visit_enter(ir_return *ir) +{ + (void) ir; + return visit_continue_with_parent; +} + + +ir_visitor_status +ir_function_inlining_visitor::visit_enter(ir_texture *ir) +{ + (void) ir; + return visit_continue_with_parent; +} + + +ir_visitor_status +ir_function_inlining_visitor::visit_enter(ir_swizzle *ir) +{ + (void) ir; + return visit_continue_with_parent; +} + + +ir_visitor_status +ir_function_inlining_visitor::visit_enter(ir_call *ir) +{ + if (can_inline(ir)) { + /* If the call was part of some tree, then it should have been + * flattened out or we shouldn't have seen it because of a + * visit_continue_with_parent in this visitor. + */ + assert(ir == base_ir); + + (void) ir->generate_inline(ir); + ir->remove(); + this->progress = true; + } + + return visit_continue; +} + + +ir_visitor_status +ir_function_inlining_visitor::visit_enter(ir_assignment *ir) +{ + ir_call *call = ir->rhs->as_call(); + if (!call || !can_inline(call)) + return visit_continue; + + /* generates the parameter setup, function body, and returns the return + * value of the function + */ + ir_rvalue *rhs = call->generate_inline(ir); + assert(rhs); + + ir->rhs = rhs; + this->progress = true; + + return visit_continue; +} + +/** + * Replaces references to the "sampler" variable with a clone of "deref." + * + * From the spec, samplers can appear in the tree as function + * (non-out) parameters and as the result of array indexing and + * structure field selection. In our builtin implementation, they + * also appear in the sampler field of an ir_tex instruction. + */ + +class ir_sampler_replacement_visitor : public ir_hierarchical_visitor { +public: + ir_sampler_replacement_visitor(ir_variable *sampler, ir_dereference *deref) + { + this->sampler = sampler; + this->deref = deref; + } + + virtual ~ir_sampler_replacement_visitor() + { + } + + virtual ir_visitor_status visit_leave(ir_call *); + virtual ir_visitor_status visit_leave(ir_dereference_array *); + virtual ir_visitor_status visit_leave(ir_dereference_record *); + virtual ir_visitor_status visit_leave(ir_texture *); + + void replace_deref(ir_dereference **deref); + void replace_rvalue(ir_rvalue **rvalue); + + ir_variable *sampler; + ir_dereference *deref; +}; + +void +ir_sampler_replacement_visitor::replace_deref(ir_dereference **deref) +{ + ir_dereference_variable *deref_var = (*deref)->as_dereference_variable(); + if (deref_var && deref_var->var == this->sampler) { + *deref = this->deref->clone(talloc_parent(*deref), NULL); + } +} + +void +ir_sampler_replacement_visitor::replace_rvalue(ir_rvalue **rvalue) +{ + if (!*rvalue) + return; + + ir_dereference *deref = (*rvalue)->as_dereference(); + + if (!deref) + return; + + replace_deref(&deref); + *rvalue = deref; +} + +ir_visitor_status +ir_sampler_replacement_visitor::visit_leave(ir_texture *ir) +{ + replace_deref(&ir->sampler); + + return visit_continue; +} + +ir_visitor_status +ir_sampler_replacement_visitor::visit_leave(ir_dereference_array *ir) +{ + replace_rvalue(&ir->array); + return visit_continue; +} + +ir_visitor_status +ir_sampler_replacement_visitor::visit_leave(ir_dereference_record *ir) +{ + replace_rvalue(&ir->record); + return visit_continue; +} + +ir_visitor_status +ir_sampler_replacement_visitor::visit_leave(ir_call *ir) +{ + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param = (ir_rvalue *)iter.get(); + ir_rvalue *new_param = param; + replace_rvalue(&new_param); + + if (new_param != param) { + param->replace_with(new_param); + } + } + return visit_continue; +} + +static void +do_sampler_replacement(exec_list *instructions, + ir_variable *sampler, + ir_dereference *deref) +{ + ir_sampler_replacement_visitor v(sampler, deref); + + visit_list_elements(&v, instructions); +} diff --git a/mesalib/src/glsl/ir_function_inlining.h b/mesalib/src/glsl/ir_function_inlining.h new file mode 100644 index 000000000..6db011bbc --- /dev/null +++ b/mesalib/src/glsl/ir_function_inlining.h @@ -0,0 +1,30 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_function_inlining.h + * + * Replaces calls to functions with the body of the function. + */ + +bool can_inline(ir_call *call); diff --git a/mesalib/src/glsl/ir_hierarchical_visitor.cpp b/mesalib/src/glsl/ir_hierarchical_visitor.cpp new file mode 100644 index 000000000..b5eacd6d2 --- /dev/null +++ b/mesalib/src/glsl/ir_hierarchical_visitor.cpp @@ -0,0 +1,297 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "ir.h" +#include "ir_hierarchical_visitor.h" + +ir_hierarchical_visitor::ir_hierarchical_visitor() +{ + this->base_ir = NULL; + this->callback = NULL; + this->data = NULL; + this->in_assignee = false; +} + +ir_visitor_status +ir_hierarchical_visitor::visit(ir_variable *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit(ir_constant *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit(ir_loop_jump *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit(ir_dereference_variable *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_loop *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_loop *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_function_signature *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_function_signature *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_function *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_function *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_expression *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_expression *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_texture *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_texture *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_swizzle *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_swizzle *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_dereference_array *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_dereference_array *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_dereference_record *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_dereference_record *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_assignment *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_assignment *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_call *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_call *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_return *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_return *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_discard *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_discard *ir) +{ + (void) ir; + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_enter(ir_if *ir) +{ + if (this->callback != NULL) + this->callback(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_hierarchical_visitor::visit_leave(ir_if *ir) +{ + (void) ir; + return visit_continue; +} + +void +ir_hierarchical_visitor::run(exec_list *instructions) +{ + visit_list_elements(this, instructions); +} + + +void +visit_tree(ir_instruction *ir, + void (*callback)(class ir_instruction *ir, void *data), + void *data) +{ + ir_hierarchical_visitor v; + + v.callback = callback; + v.data = data; + + ir->accept(&v); +} diff --git a/mesalib/src/glsl/ir_hierarchical_visitor.h b/mesalib/src/glsl/ir_hierarchical_visitor.h new file mode 100644 index 000000000..dc177f5eb --- /dev/null +++ b/mesalib/src/glsl/ir_hierarchical_visitor.h @@ -0,0 +1,183 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef IR_HIERARCHICAL_VISITOR_H +#define IR_HIERARCHICAL_VISITOR_H + +/** + * Enumeration values returned by visit methods to guide processing + */ +enum ir_visitor_status { + visit_continue, /**< Continue visiting as normal. */ + visit_continue_with_parent, /**< Don't visit siblings, continue w/parent. */ + visit_stop /**< Stop visiting immediately. */ +}; + + +/** + * Base class of hierarchical visitors of IR instruction trees + * + * Hierarchical visitors differ from traditional visitors in a couple of + * important ways. Rather than having a single \c visit method for each + * subclass in the composite, there are three kinds of visit methods. + * Leaf-node classes have a traditional \c visit method. Internal-node + * classes have a \c visit_enter method, which is invoked just before + * processing child nodes, and a \c visit_leave method which is invoked just + * after processing child nodes. + * + * In addition, each visit method and the \c accept methods in the composite + * have a return value which guides the navigation. Any of the visit methods + * can choose to continue visiting the tree as normal (by returning \c + * visit_continue), terminate visiting any further nodes immediately (by + * returning \c visit_stop), or stop visiting sibling nodes (by returning \c + * visit_continue_with_parent). + * + * These two changes combine to allow nagivation of children to be implemented + * in the composite's \c accept method. The \c accept method for a leaf-node + * class will simply call the \c visit method, as usual, and pass its return + * value on. The \c accept method for internal-node classes will call the \c + * visit_enter method, call the \c accpet method of each child node, and, + * finally, call the \c visit_leave method. If any of these return a value + * other that \c visit_continue, the correct action must be taken. + * + * The final benefit is that the hierarchical visitor base class need not be + * abstract. Default implementations of every \c visit, \c visit_enter, and + * \c visit_leave method can be provided. By default each of these methods + * simply returns \c visit_continue. This allows a significant reduction in + * derived class code. + * + * For more information about hierarchical visitors, see: + * + * http://c2.com/cgi/wiki?HierarchicalVisitorPattern + * http://c2.com/cgi/wiki?HierarchicalVisitorDiscussion + */ + +class ir_hierarchical_visitor { +public: + ir_hierarchical_visitor(); + + /** + * \name Visit methods for leaf-node classes + */ + /*@{*/ + virtual ir_visitor_status visit(class ir_variable *); + virtual ir_visitor_status visit(class ir_constant *); + virtual ir_visitor_status visit(class ir_loop_jump *); + + /** + * ir_dereference_variable isn't technically a leaf, but it is treated as a + * leaf here for a couple reasons. By not automatically visiting the one + * child ir_variable node from the ir_dereference_variable, ir_variable + * nodes can always be handled as variable declarations. Code that used + * non-hierarchical visitors had to set an "in a dereference" flag to + * determine how to handle an ir_variable. By forcing the visitor to + * handle the ir_variable within the ir_dereference_variable visitor, this + * kludge can be avoided. + * + * In addition, I can envision no use for having separate enter and leave + * methods. Anything that could be done in the enter and leave methods + * that couldn't just be done in the visit method. + */ + virtual ir_visitor_status visit(class ir_dereference_variable *); + /*@}*/ + + /** + * \name Visit methods for internal-node classes + */ + /*@{*/ + virtual ir_visitor_status visit_enter(class ir_loop *); + virtual ir_visitor_status visit_leave(class ir_loop *); + virtual ir_visitor_status visit_enter(class ir_function_signature *); + virtual ir_visitor_status visit_leave(class ir_function_signature *); + virtual ir_visitor_status visit_enter(class ir_function *); + virtual ir_visitor_status visit_leave(class ir_function *); + virtual ir_visitor_status visit_enter(class ir_expression *); + virtual ir_visitor_status visit_leave(class ir_expression *); + virtual ir_visitor_status visit_enter(class ir_texture *); + virtual ir_visitor_status visit_leave(class ir_texture *); + virtual ir_visitor_status visit_enter(class ir_swizzle *); + virtual ir_visitor_status visit_leave(class ir_swizzle *); + virtual ir_visitor_status visit_enter(class ir_dereference_array *); + virtual ir_visitor_status visit_leave(class ir_dereference_array *); + virtual ir_visitor_status visit_enter(class ir_dereference_record *); + virtual ir_visitor_status visit_leave(class ir_dereference_record *); + virtual ir_visitor_status visit_enter(class ir_assignment *); + virtual ir_visitor_status visit_leave(class ir_assignment *); + virtual ir_visitor_status visit_enter(class ir_call *); + virtual ir_visitor_status visit_leave(class ir_call *); + virtual ir_visitor_status visit_enter(class ir_return *); + virtual ir_visitor_status visit_leave(class ir_return *); + virtual ir_visitor_status visit_enter(class ir_discard *); + virtual ir_visitor_status visit_leave(class ir_discard *); + virtual ir_visitor_status visit_enter(class ir_if *); + virtual ir_visitor_status visit_leave(class ir_if *); + /*@}*/ + + + /** + * Utility function to process a linked list of instructions with a visitor + */ + void run(struct exec_list *instructions); + + /* Some visitors may need to insert new variable declarations and + * assignments for portions of a subtree, which means they need a + * pointer to the current instruction in the stream, not just their + * node in the tree rooted at that instruction. + * + * This is implemented by visit_list_elements -- if the visitor is + * not called by it, nothing good will happen. + */ + class ir_instruction *base_ir; + + /** + * Callback function that is invoked on entry to each node visited. + * + * \warning + * Visitor classes derived from \c ir_hierarchical_visitor \b may \b not + * invoke this function. This can be used, for example, to cause the + * callback to be invoked on every node type execpt one. + */ + void (*callback)(class ir_instruction *ir, void *data); + + /** + * Extra data parameter passed to the per-node callback function + */ + void *data; + + /** + * Currently in the LHS of an assignment? + * + * This is set and cleared by the \c ir_assignment::accept method. + */ + bool in_assignee; +}; + +void visit_tree(ir_instruction *ir, + void (*callback)(class ir_instruction *ir, void *data), + void *data); + +ir_visitor_status visit_list_elements(ir_hierarchical_visitor *v, exec_list *l); + +#endif /* IR_HIERARCHICAL_VISITOR_H */ diff --git a/mesalib/src/glsl/ir_hv_accept.cpp b/mesalib/src/glsl/ir_hv_accept.cpp new file mode 100644 index 000000000..be8b36a7c --- /dev/null +++ b/mesalib/src/glsl/ir_hv_accept.cpp @@ -0,0 +1,378 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "ir.h" + +/** + * \file ir_hv_accept.cpp + * Implementations of all hierarchical visitor accept methods for IR + * instructions. + */ + +/** + * Process a list of nodes using a hierarchical vistor + * + * \warning + * This function will operate correctly if a node being processed is removed + * from the list. However, if nodes are added to the list after the node being + * processed, some of the added nodes may not be processed. + */ +ir_visitor_status +visit_list_elements(ir_hierarchical_visitor *v, exec_list *l) +{ + ir_instruction *prev_base_ir = v->base_ir; + + foreach_list_safe(n, l) { + ir_instruction *const ir = (ir_instruction *) n; + v->base_ir = ir; + ir_visitor_status s = ir->accept(v); + + if (s != visit_continue) + return s; + } + v->base_ir = prev_base_ir; + + return visit_continue; +} + + +ir_visitor_status +ir_variable::accept(ir_hierarchical_visitor *v) +{ + return v->visit(this); +} + + +ir_visitor_status +ir_loop::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = visit_list_elements(v, &this->body_instructions); + if (s == visit_stop) + return s; + + if (s != visit_continue_with_parent) { + if (this->from) { + s = this->from->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + + if (this->to) { + s = this->to->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + + if (this->increment) { + s = this->increment->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + } + + return v->visit_leave(this); +} + + +ir_visitor_status +ir_loop_jump::accept(ir_hierarchical_visitor *v) +{ + return v->visit(this); +} + + +ir_visitor_status +ir_function_signature::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = visit_list_elements(v, &this->parameters); + if (s == visit_stop) + return s; + + s = visit_list_elements(v, &this->body); + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_function::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = visit_list_elements(v, &this->signatures); + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_expression::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + for (unsigned i = 0; i < this->get_num_operands(); i++) { + switch (this->operands[i]->accept(v)) { + case visit_continue: + break; + + case visit_continue_with_parent: + // I wish for Java's labeled break-statement here. + goto done; + + case visit_stop: + return s; + } + } + +done: + return v->visit_leave(this); +} + +ir_visitor_status +ir_texture::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->sampler->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->coordinate->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + if (this->projector) { + s = this->projector->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + + if (this->shadow_comparitor) { + s = this->shadow_comparitor->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + + switch (this->op) { + case ir_tex: + break; + case ir_txb: + s = this->lod_info.bias->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + break; + case ir_txl: + case ir_txf: + s = this->lod_info.lod->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + break; + case ir_txd: + s = this->lod_info.grad.dPdx->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->lod_info.grad.dPdy->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + break; + } + + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_swizzle::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->val->accept(v); + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_dereference_variable::accept(ir_hierarchical_visitor *v) +{ + return v->visit(this); +} + + +ir_visitor_status +ir_dereference_array::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + /* The array index is not the target of the assignment, so clear the + * 'in_assignee' flag. Restore it after returning from the array index. + */ + const bool was_in_assignee = v->in_assignee; + v->in_assignee = false; + s = this->array_index->accept(v); + v->in_assignee = was_in_assignee; + + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->array->accept(v); + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_dereference_record::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->record->accept(v); + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_assignment::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + v->in_assignee = true; + s = this->lhs->accept(v); + v->in_assignee = false; + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->rhs->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + if (this->condition) + s = this->condition->accept(v); + + return (s == visit_stop) ? s : v->visit_leave(this); +} + + +ir_visitor_status +ir_constant::accept(ir_hierarchical_visitor *v) +{ + return v->visit(this); +} + + +ir_visitor_status +ir_call::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = visit_list_elements(v, &this->actual_parameters); + if (s == visit_stop) + return s; + + return v->visit_leave(this); +} + + +ir_visitor_status +ir_return::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + ir_rvalue *val = this->get_value(); + if (val) { + s = val->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + + return v->visit_leave(this); +} + + +ir_visitor_status +ir_discard::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + if (this->condition != NULL) { + s = this->condition->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } + + return v->visit_leave(this); +} + + +ir_visitor_status +ir_if::accept(ir_hierarchical_visitor *v) +{ + ir_visitor_status s = v->visit_enter(this); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + s = this->condition->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + + if (s != visit_continue_with_parent) { + s = visit_list_elements(v, &this->then_instructions); + if (s == visit_stop) + return s; + } + + if (s != visit_continue_with_parent) { + s = visit_list_elements(v, &this->else_instructions); + if (s == visit_stop) + return s; + } + + return v->visit_leave(this); +} diff --git a/mesalib/src/glsl/ir_if_simplification.cpp b/mesalib/src/glsl/ir_if_simplification.cpp new file mode 100644 index 000000000..021615ebd --- /dev/null +++ b/mesalib/src/glsl/ir_if_simplification.cpp @@ -0,0 +1,84 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_if_simplification.cpp + * + * Moves constant branches of if statements out to the surrounding + * instruction stream. + */ + +#include "ir.h" + +class ir_if_simplification_visitor : public ir_hierarchical_visitor { +public: + ir_if_simplification_visitor() + { + this->made_progress = false; + } + + ir_visitor_status visit_leave(ir_if *); + + bool made_progress; +}; + +bool +do_if_simplification(exec_list *instructions) +{ + ir_if_simplification_visitor v; + + v.run(instructions); + return v.made_progress; +} + + +ir_visitor_status +ir_if_simplification_visitor::visit_leave(ir_if *ir) +{ + /* FINISHME: Ideally there would be a way to note that the condition results + * FINISHME: in a constant before processing both of the other subtrees. + * FINISHME: This can probably be done with some flags, but it would take + * FINISHME: some work to get right. + */ + ir_constant *condition_constant = ir->condition->constant_expression_value(); + if (condition_constant) { + /* Move the contents of the one branch of the conditional + * that matters out. + */ + if (condition_constant->value.b[0]) { + foreach_iter(exec_list_iterator, then_iter, ir->then_instructions) { + ir_instruction *then_ir = (ir_instruction *)then_iter.get(); + ir->insert_before(then_ir); + } + } else { + foreach_iter(exec_list_iterator, else_iter, ir->else_instructions) { + ir_instruction *else_ir = (ir_instruction *)else_iter.get(); + ir->insert_before(else_ir); + } + } + ir->remove(); + this->made_progress = true; + } + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_if_to_cond_assign.cpp b/mesalib/src/glsl/ir_if_to_cond_assign.cpp new file mode 100644 index 000000000..0b8741394 --- /dev/null +++ b/mesalib/src/glsl/ir_if_to_cond_assign.cpp @@ -0,0 +1,168 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_if_to_cond_assign.cpp + * + * This attempts to flatten all if statements to conditional + * assignments for GPUs that don't do control flow. + * + * It can't handle other control flow being inside of its block, such + * as calls or loops. Hopefully loop unrolling and inlining will take + * care of those. + */ + +#include "glsl_types.h" +#include "ir.h" + +class ir_if_to_cond_assign_visitor : public ir_hierarchical_visitor { +public: + ir_if_to_cond_assign_visitor() + { + this->progress = false; + } + + ir_visitor_status visit_leave(ir_if *); + + bool progress; +}; + +bool +do_if_to_cond_assign(exec_list *instructions) +{ + ir_if_to_cond_assign_visitor v; + + visit_list_elements(&v, instructions); + + return v.progress; +} + +void +check_control_flow(ir_instruction *ir, void *data) +{ + bool *found_control_flow = (bool *)data; + switch (ir->ir_type) { + case ir_type_call: + case ir_type_discard: + case ir_type_loop: + case ir_type_loop_jump: + case ir_type_return: + *found_control_flow = true; + break; + default: + break; + } +} + +void +move_block_to_cond_assign(void *mem_ctx, + ir_if *if_ir, ir_variable *cond_var, bool then) +{ + exec_list *instructions; + + if (then) { + instructions = &if_ir->then_instructions; + } else { + instructions = &if_ir->else_instructions; + } + + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + + if (ir->ir_type == ir_type_assignment) { + ir_assignment *assign = (ir_assignment *)ir; + ir_rvalue *cond_expr; + ir_dereference *deref = new(mem_ctx) ir_dereference_variable(cond_var); + + if (then) { + cond_expr = deref; + } else { + cond_expr = new(mem_ctx) ir_expression(ir_unop_logic_not, + glsl_type::bool_type, + deref, + NULL); + } + + if (!assign->condition) { + assign->condition = cond_expr; + } else { + assign->condition = new(mem_ctx) ir_expression(ir_binop_logic_and, + glsl_type::bool_type, + cond_expr, + assign->condition); + } + } + + /* Now, move from the if block to the block surrounding it. */ + ir->remove(); + if_ir->insert_before(ir); + } +} + +ir_visitor_status +ir_if_to_cond_assign_visitor::visit_leave(ir_if *ir) +{ + bool found_control_flow = false; + ir_variable *cond_var; + ir_assignment *assign; + ir_dereference_variable *deref; + + /* Check that both blocks don't contain anything we can't support. */ + foreach_iter(exec_list_iterator, then_iter, ir->then_instructions) { + ir_instruction *then_ir = (ir_instruction *)then_iter.get(); + visit_tree(then_ir, check_control_flow, &found_control_flow); + } + foreach_iter(exec_list_iterator, else_iter, ir->else_instructions) { + ir_instruction *else_ir = (ir_instruction *)else_iter.get(); + visit_tree(else_ir, check_control_flow, &found_control_flow); + } + if (found_control_flow) + return visit_continue; + + void *mem_ctx = talloc_parent(ir); + + /* Store the condition to a variable so the assignment conditions are + * simpler. + */ + cond_var = new(mem_ctx) ir_variable(glsl_type::bool_type, + "if_to_cond_assign_condition", + ir_var_temporary); + ir->insert_before(cond_var); + + deref = new(mem_ctx) ir_dereference_variable(cond_var); + assign = new(mem_ctx) ir_assignment(deref, + ir->condition, NULL); + ir->insert_before(assign); + + /* Now, move all of the instructions out of the if blocks, putting + * conditions on assignments. + */ + move_block_to_cond_assign(mem_ctx, ir, cond_var, true); + move_block_to_cond_assign(mem_ctx, ir, cond_var, false); + + ir->remove(); + + this->progress = true; + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_import_prototypes.cpp b/mesalib/src/glsl/ir_import_prototypes.cpp new file mode 100644 index 000000000..066137e60 --- /dev/null +++ b/mesalib/src/glsl/ir_import_prototypes.cpp @@ -0,0 +1,138 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_import_prototypes.cpp + * Import function prototypes from one IR tree into another. + * + * \author Ian Romanick + */ +#include <cstdio> +#include "ir.h" +#include "glsl_symbol_table.h" + +/** + * Visitor used to import function prototypes + * + * Normally the \c clone method of either \c ir_function or + * \c ir_function_signature could be used. However, we don't want a complete + * clone of the \c ir_function_signature. We want everything \b except the + * body of the function. + */ +class import_prototype_visitor : public ir_hierarchical_visitor { +public: + /** + */ + import_prototype_visitor(exec_list *list, glsl_symbol_table *symbols, + void *mem_ctx) + { + this->mem_ctx = mem_ctx; + this->list = list; + this->symbols = symbols; + this->function = NULL; + } + + virtual ir_visitor_status visit_enter(ir_function *ir) + { + assert(this->function == NULL); + + this->function = this->symbols->get_function(ir->name); + if (!this->function) { + this->function = new(this->mem_ctx) ir_function(ir->name); + + list->push_tail(this->function); + + /* Add the new function to the symbol table. + */ + this->symbols->add_function(this->function->name, this->function); + } + return visit_continue; + } + + virtual ir_visitor_status visit_leave(ir_function *ir) + { + (void) ir; + assert(this->function != NULL); + + this->function = NULL; + return visit_continue; + } + + ir_visitor_status visit_enter(ir_function_signature *ir) + { + assert(this->function != NULL); + + ir_function_signature *copy = + new(mem_ctx) ir_function_signature(ir->return_type); + + copy->is_defined = false; + copy->is_builtin = ir->is_builtin; + + /* Clone the parameter list, but NOT the body. + */ + foreach_list_const(node, &ir->parameters) { + const ir_variable *const param = (const ir_variable *) node; + + assert(const_cast<ir_variable *>(param)->as_variable() != NULL); + + ir_variable *const param_copy = param->clone(mem_ctx, NULL); + copy->parameters.push_tail(param_copy); + } + + this->function->add_signature(copy); + + /* Do not process child nodes of the ir_function_signature. There can + * never be any nodes inside the ir_function_signature that we care + * about. Instead continue with the next sibling. + */ + return visit_continue_with_parent; + } + +private: + exec_list *list; + ir_function *function; + glsl_symbol_table *symbols; + void *mem_ctx; +}; + + +/** + * Import function prototypes from one IR tree into another + * + * \param source Source instruction stream containing functions whose + * prototypes are to be imported + * \param dest Destination instruction stream where new \c ir_function and + * \c ir_function_signature nodes will be stored + * \param symbols Symbol table where new functions will be stored + * \param mem_ctx talloc memory context used for new allocations + */ +void +import_prototypes(const exec_list *source, exec_list *dest, + glsl_symbol_table *symbols, void *mem_ctx) +{ + import_prototype_visitor v(dest, symbols, mem_ctx); + + /* Making source be const is just extra documentation. + */ + v.run(const_cast<exec_list *>(source)); +} diff --git a/mesalib/src/glsl/ir_lower_jumps.cpp b/mesalib/src/glsl/ir_lower_jumps.cpp new file mode 100644 index 000000000..b69cc1ec3 --- /dev/null +++ b/mesalib/src/glsl/ir_lower_jumps.cpp @@ -0,0 +1,544 @@ +/* + * Copyright © 2010 Luca Barbieri + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_lower_jumps.cpp + */ + +#include "glsl_types.h" +#include <string.h> +#include "ir.h" + +enum jump_strength +{ + strength_none, + strength_always_clears_execute_flag, + strength_continue, + strength_break, + strength_return, + strength_discard +}; + +struct block_record +{ + /* minimum jump strength (of lowered IR, not pre-lowering IR) + * + * If the block ends with a jump, must be the strength of the jump. + * Otherwise, the jump would be dead and have been deleted before) + * + * If the block doesn't end with a jump, it can be different than strength_none if all paths before it lead to some jump + * (e.g. an if with a return in one branch, and a break in the other, while not lowering them) + * Note that identical jumps are usually unified though. + */ + jump_strength min_strength; + + /* can anything clear the execute flag? */ + bool may_clear_execute_flag; + + block_record() + { + this->min_strength = strength_none; + this->may_clear_execute_flag = false; + } +}; + +struct loop_record +{ + ir_function_signature* signature; + ir_loop* loop; + + /* used to avoid lowering the break used to represent lowered breaks */ + unsigned nesting_depth; + bool in_if_at_the_end_of_the_loop; + + bool may_set_return_flag; + + ir_variable* break_flag; + ir_variable* execute_flag; /* cleared to emulate continue */ + + loop_record(ir_function_signature* p_signature = 0, ir_loop* p_loop = 0) + { + this->signature = p_signature; + this->loop = p_loop; + this->nesting_depth = 0; + this->in_if_at_the_end_of_the_loop = false; + this->may_set_return_flag = false; + this->break_flag = 0; + this->execute_flag = 0; + } + + ir_variable* get_execute_flag() + { + /* also supported for the "function loop" */ + if(!this->execute_flag) { + exec_list& list = this->loop ? this->loop->body_instructions : signature->body; + this->execute_flag = new(this->signature) ir_variable(glsl_type::bool_type, "execute_flag", ir_var_temporary); + list.push_head(new(this->signature) ir_assignment(new(this->signature) ir_dereference_variable(execute_flag), new(this->signature) ir_constant(true), 0)); + list.push_head(this->execute_flag); + } + return this->execute_flag; + } + + ir_variable* get_break_flag() + { + assert(this->loop); + if(!this->break_flag) { + this->break_flag = new(this->signature) ir_variable(glsl_type::bool_type, "break_flag", ir_var_temporary); + this->loop->insert_before(this->break_flag); + this->loop->insert_before(new(this->signature) ir_assignment(new(this->signature) ir_dereference_variable(break_flag), new(this->signature) ir_constant(false), 0)); + } + return this->break_flag; + } +}; + +struct function_record +{ + ir_function_signature* signature; + ir_variable* return_flag; /* used to break out of all loops and then jump to the return instruction */ + ir_variable* return_value; + bool is_main; + unsigned nesting_depth; + + function_record(ir_function_signature* p_signature = 0) + { + this->signature = p_signature; + this->return_flag = 0; + this->return_value = 0; + this->nesting_depth = 0; + this->is_main = this->signature && (strcmp(this->signature->function_name(), "main") == 0); + } + + ir_variable* get_return_flag() + { + if(!this->return_flag) { + this->return_flag = new(this->signature) ir_variable(glsl_type::bool_type, "return_flag", ir_var_temporary); + this->signature->body.push_head(new(this->signature) ir_assignment(new(this->signature) ir_dereference_variable(return_flag), new(this->signature) ir_constant(false), 0)); + this->signature->body.push_head(this->return_flag); + } + return this->return_flag; + } + + ir_variable* get_return_value() + { + if(!this->return_value) { + assert(!this->signature->return_type->is_void()); + return_value = new(this->signature) ir_variable(this->signature->return_type, "return_value", ir_var_temporary); + this->signature->body.push_head(this->return_value); + } + return this->return_value; + } +}; + +struct ir_lower_jumps_visitor : public ir_control_flow_visitor { + bool progress; + + struct function_record function; + struct loop_record loop; + struct block_record block; + + bool pull_out_jumps; + bool lower_continue; + bool lower_break; + bool lower_sub_return; + bool lower_main_return; + + ir_lower_jumps_visitor() + { + this->progress = false; + } + + void truncate_after_instruction(exec_node *ir) + { + if (!ir) + return; + + while (!ir->get_next()->is_tail_sentinel()) { + ((ir_instruction *)ir->get_next())->remove(); + this->progress = true; + } + } + + void move_outer_block_inside(ir_instruction *ir, exec_list *inner_block) + { + while (!ir->get_next()->is_tail_sentinel()) { + ir_instruction *move_ir = (ir_instruction *)ir->get_next(); + + move_ir->remove(); + inner_block->push_tail(move_ir); + } + } + + virtual void visit(class ir_loop_jump * ir) + { + truncate_after_instruction(ir); + this->block.min_strength = ir->is_break() ? strength_break : strength_continue; + } + + virtual void visit(class ir_return * ir) + { + truncate_after_instruction(ir); + this->block.min_strength = strength_return; + } + + virtual void visit(class ir_discard * ir) + { + truncate_after_instruction(ir); + this->block.min_strength = strength_discard; + } + + enum jump_strength get_jump_strength(ir_instruction* ir) + { + if(!ir) + return strength_none; + else if(ir->ir_type == ir_type_loop_jump) { + if(((ir_loop_jump*)ir)->is_break()) + return strength_break; + else + return strength_continue; + } else if(ir->ir_type == ir_type_return) + return strength_return; + else if(ir->ir_type == ir_type_discard) + return strength_discard; + else + return strength_none; + } + + bool should_lower_jump(ir_jump* ir) + { + unsigned strength = get_jump_strength(ir); + bool lower; + switch(strength) + { + case strength_none: + lower = false; /* don't change this, code relies on it */ + break; + case strength_continue: + lower = lower_continue; + break; + case strength_break: + assert(this->loop.loop); + /* never lower "canonical break" */ + if(ir->get_next()->is_tail_sentinel() && (this->loop.nesting_depth == 0 + || (this->loop.nesting_depth == 1 && this->loop.in_if_at_the_end_of_the_loop))) + lower = false; + else + lower = lower_break; + break; + case strength_return: + /* never lower return at the end of a this->function */ + if(this->function.nesting_depth == 0 && ir->get_next()->is_tail_sentinel()) + lower = false; + else if (this->function.is_main) + lower = lower_main_return; + else + lower = lower_sub_return; + break; + case strength_discard: + lower = false; /* probably nothing needs this lowered */ + break; + } + return lower; + } + + block_record visit_block(exec_list* list) + { + block_record saved_block = this->block; + this->block = block_record(); + visit_exec_list(list, this); + block_record ret = this->block; + this->block = saved_block; + return ret; + } + + virtual void visit(ir_if *ir) + { + if(this->loop.nesting_depth == 0 && ir->get_next()->is_tail_sentinel()) + this->loop.in_if_at_the_end_of_the_loop = true; + + ++this->function.nesting_depth; + ++this->loop.nesting_depth; + + block_record block_records[2]; + ir_jump* jumps[2]; + + block_records[0] = visit_block(&ir->then_instructions); + block_records[1] = visit_block(&ir->else_instructions); + +retry: /* we get here if we put code after the if inside a branch */ + for(unsigned i = 0; i < 2; ++i) { + exec_list& list = i ? ir->else_instructions : ir->then_instructions; + jumps[i] = 0; + if(!list.is_empty() && get_jump_strength((ir_instruction*)list.get_tail())) + jumps[i] = (ir_jump*)list.get_tail(); + } + + for(;;) { + jump_strength jump_strengths[2]; + + for(unsigned i = 0; i < 2; ++i) { + if(jumps[i]) { + jump_strengths[i] = block_records[i].min_strength; + assert(jump_strengths[i] == get_jump_strength(jumps[i])); + } else + jump_strengths[i] = strength_none; + } + + /* move both jumps out if possible */ + if(pull_out_jumps && jump_strengths[0] == jump_strengths[1]) { + bool unify = true; + if(jump_strengths[0] == strength_continue) + ir->insert_after(new(ir) ir_loop_jump(ir_loop_jump::jump_continue)); + else if(jump_strengths[0] == strength_break) + ir->insert_after(new(ir) ir_loop_jump(ir_loop_jump::jump_break)); + /* FINISHME: unify returns with identical expressions */ + else if(jump_strengths[0] == strength_return && this->function.signature->return_type->is_void()) + ir->insert_after(new(ir) ir_return(NULL)); + /* FINISHME: unify discards */ + else + unify = false; + + if(unify) { + jumps[0]->remove(); + jumps[1]->remove(); + this->progress = true; + + jumps[0] = 0; + jumps[1] = 0; + block_records[0].min_strength = strength_none; + block_records[1].min_strength = strength_none; + break; + } + } + + /* lower a jump: if both need to lowered, start with the strongest one, so that + * we might later unify the lowered version with the other one + */ + bool should_lower[2]; + for(unsigned i = 0; i < 2; ++i) + should_lower[i] = should_lower_jump(jumps[i]); + + int lower; + if(should_lower[1] && should_lower[0]) + lower = jump_strengths[1] > jump_strengths[0]; + else if(should_lower[0]) + lower = 0; + else if(should_lower[1]) + lower = 1; + else + break; + + if(jump_strengths[lower] == strength_return) { + ir_variable* return_flag = this->function.get_return_flag(); + if(!this->function.signature->return_type->is_void()) { + ir_variable* return_value = this->function.get_return_value(); + jumps[lower]->insert_before(new(ir) ir_assignment(new (ir) ir_dereference_variable(return_value), ((ir_return*)jumps[lower])->value, NULL)); + } + jumps[lower]->insert_before(new(ir) ir_assignment(new (ir) ir_dereference_variable(return_flag), new (ir) ir_constant(true), NULL)); + this->loop.may_set_return_flag = true; + if(this->loop.loop) { + ir_loop_jump* lowered = 0; + lowered = new(ir) ir_loop_jump(ir_loop_jump::jump_break); + block_records[lower].min_strength = strength_break; + jumps[lower]->replace_with(lowered); + jumps[lower] = lowered; + } else + goto lower_continue; + this->progress = true; + } else if(jump_strengths[lower] == strength_break) { + /* We can't lower to an actual continue because that would execute the increment. + * + * In the lowered code, we instead put the break check between the this->loop body and the increment, + * which is impossible with a real continue as defined by the GLSL IR currently. + * + * Smarter options (such as undoing the increment) are possible but it's not worth implementing them, + * because if break is lowered, continue is almost surely lowered too. + */ + jumps[lower]->insert_before(new(ir) ir_assignment(new (ir) ir_dereference_variable(this->loop.get_break_flag()), new (ir) ir_constant(true), 0)); + goto lower_continue; + } else if(jump_strengths[lower] == strength_continue) { +lower_continue: + ir_variable* execute_flag = this->loop.get_execute_flag(); + jumps[lower]->replace_with(new(ir) ir_assignment(new (ir) ir_dereference_variable(execute_flag), new (ir) ir_constant(false), 0)); + jumps[lower] = 0; + block_records[lower].min_strength = strength_always_clears_execute_flag; + block_records[lower].may_clear_execute_flag = true; + this->progress = true; + break; + } + } + + /* move out a jump out if possible */ + if(pull_out_jumps) { + int move_out = -1; + if(jumps[0] && block_records[1].min_strength >= strength_continue) + move_out = 0; + else if(jumps[1] && block_records[0].min_strength >= strength_continue) + move_out = 1; + + if(move_out >= 0) + { + jumps[move_out]->remove(); + ir->insert_after(jumps[move_out]); + jumps[move_out] = 0; + block_records[move_out].min_strength = strength_none; + this->progress = true; + } + } + + if(block_records[0].min_strength < block_records[1].min_strength) + this->block.min_strength = block_records[0].min_strength; + else + this->block.min_strength = block_records[1].min_strength; + this->block.may_clear_execute_flag = this->block.may_clear_execute_flag || block_records[0].may_clear_execute_flag || block_records[1].may_clear_execute_flag; + + if(this->block.min_strength) + truncate_after_instruction(ir); + else if(this->block.may_clear_execute_flag) + { + int move_into = -1; + if(block_records[0].min_strength && !block_records[1].may_clear_execute_flag) + move_into = 1; + else if(block_records[1].min_strength && !block_records[0].may_clear_execute_flag) + move_into = 0; + + if(move_into >= 0) { + assert(!block_records[move_into].min_strength && !block_records[move_into].may_clear_execute_flag); /* otherwise, we just truncated */ + + exec_list* list = move_into ? &ir->else_instructions : &ir->then_instructions; + exec_node* next = ir->get_next(); + if(!next->is_tail_sentinel()) { + move_outer_block_inside(ir, list); + + exec_list list; + list.head = next; + block_records[move_into] = visit_block(&list); + + this->progress = true; + goto retry; + } + } else { + ir_instruction* ir_after; + for(ir_after = (ir_instruction*)ir->get_next(); !ir_after->is_tail_sentinel();) + { + ir_if* ir_if = ir_after->as_if(); + if(ir_if && ir_if->else_instructions.is_empty()) { + ir_dereference_variable* ir_if_cond_deref = ir_if->condition->as_dereference_variable(); + if(ir_if_cond_deref && ir_if_cond_deref->var == this->loop.execute_flag) { + ir_instruction* ir_next = (ir_instruction*)ir_after->get_next(); + ir_after->insert_before(&ir_if->then_instructions); + ir_after->remove(); + ir_after = ir_next; + continue; + } + } + ir_after = (ir_instruction*)ir_after->get_next(); + + /* only set this if we find any unprotected instruction */ + this->progress = true; + } + + if(!ir->get_next()->is_tail_sentinel()) { + assert(this->loop.execute_flag); + ir_if* if_execute = new(ir) ir_if(new(ir) ir_dereference_variable(this->loop.execute_flag)); + move_outer_block_inside(ir, &if_execute->then_instructions); + ir->insert_after(if_execute); + } + } + } + --this->loop.nesting_depth; + --this->function.nesting_depth; + } + + virtual void visit(ir_loop *ir) + { + ++this->function.nesting_depth; + loop_record saved_loop = this->loop; + this->loop = loop_record(this->function.signature, ir); + + block_record body = visit_block(&ir->body_instructions); + + if(body.min_strength >= strength_break) { + /* FINISHME: turn the this->loop into an if, or replace it with its body */ + } + + if(this->loop.break_flag) { + ir_if* break_if = new(ir) ir_if(new(ir) ir_dereference_variable(this->loop.break_flag)); + break_if->then_instructions.push_tail(new(ir) ir_loop_jump(ir_loop_jump::jump_break)); + ir->body_instructions.push_tail(break_if); + } + + if(this->loop.may_set_return_flag) { + assert(this->function.return_flag); + ir_if* return_if = new(ir) ir_if(new(ir) ir_dereference_variable(this->function.return_flag)); + return_if->then_instructions.push_tail(new(ir) ir_loop_jump(saved_loop.loop ? ir_loop_jump::jump_break : ir_loop_jump::jump_continue)); + ir->insert_after(return_if); + } + + this->loop = saved_loop; + --this->function.nesting_depth; + } + + virtual void visit(ir_function_signature *ir) + { + /* these are not strictly necessary */ + assert(!this->function.signature); + assert(!this->loop.loop); + + function_record saved_function = this->function; + loop_record saved_loop = this->loop; + this->function = function_record(ir); + this->loop = loop_record(ir); + + assert(!this->loop.loop); + visit_block(&ir->body); + + if(this->function.return_value) + ir->body.push_tail(new(ir) ir_return(new (ir) ir_dereference_variable(this->function.return_value))); + + this->loop = saved_loop; + this->function = saved_function; + } + + virtual void visit(class ir_function * ir) + { + visit_block(&ir->signatures); + } +}; + +bool +do_lower_jumps(exec_list *instructions, bool pull_out_jumps, bool lower_sub_return, bool lower_main_return, bool lower_continue, bool lower_break) +{ + ir_lower_jumps_visitor v; + v.pull_out_jumps = pull_out_jumps; + v.lower_continue = lower_continue; + v.lower_break = lower_break; + v.lower_sub_return = lower_sub_return; + v.lower_main_return = lower_main_return; + + do { + v.progress = false; + visit_exec_list(instructions, &v); + } while (v.progress); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_mat_op_to_vec.cpp b/mesalib/src/glsl/ir_mat_op_to_vec.cpp new file mode 100644 index 000000000..244fe4892 --- /dev/null +++ b/mesalib/src/glsl/ir_mat_op_to_vec.cpp @@ -0,0 +1,488 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_mat_op_to_vec.cpp + * + * Breaks matrix operation expressions down to a series of vector operations. + * + * Generally this is how we have to codegen matrix operations for a + * GPU, so this gives us the chance to constant fold operations on a + * column or row. + */ + +#include "ir.h" +#include "ir_expression_flattening.h" +#include "glsl_types.h" + +class ir_mat_op_to_vec_visitor : public ir_hierarchical_visitor { +public: + ir_mat_op_to_vec_visitor() + { + this->made_progress = false; + this->mem_ctx = NULL; + } + + ir_visitor_status visit_leave(ir_assignment *); + + ir_dereference *get_column(ir_variable *var, int col); + ir_rvalue *get_element(ir_variable *var, int col, int row); + + void do_mul_mat_mat(ir_variable *result_var, + ir_variable *a_var, ir_variable *b_var); + void do_mul_mat_vec(ir_variable *result_var, + ir_variable *a_var, ir_variable *b_var); + void do_mul_vec_mat(ir_variable *result_var, + ir_variable *a_var, ir_variable *b_var); + void do_mul_mat_scalar(ir_variable *result_var, + ir_variable *a_var, ir_variable *b_var); + void do_equal_mat_mat(ir_variable *result_var, ir_variable *a_var, + ir_variable *b_var, bool test_equal); + + void *mem_ctx; + bool made_progress; +}; + +static bool +mat_op_to_vec_predicate(ir_instruction *ir) +{ + ir_expression *expr = ir->as_expression(); + unsigned int i; + + if (!expr) + return false; + + for (i = 0; i < expr->get_num_operands(); i++) { + if (expr->operands[i]->type->is_matrix()) + return true; + } + + return false; +} + +bool +do_mat_op_to_vec(exec_list *instructions) +{ + ir_mat_op_to_vec_visitor v; + + /* Pull out any matrix expression to a separate assignment to a + * temp. This will make our handling of the breakdown to + * operations on the matrix's vector components much easier. + */ + do_expression_flattening(instructions, mat_op_to_vec_predicate); + + visit_list_elements(&v, instructions); + + return v.made_progress; +} + +ir_rvalue * +ir_mat_op_to_vec_visitor::get_element(ir_variable *var, int col, int row) +{ + ir_dereference *deref; + + deref = new(mem_ctx) ir_dereference_variable(var); + + if (var->type->is_matrix()) { + deref = new(mem_ctx) ir_dereference_array(var, + new(mem_ctx) ir_constant(col)); + } else { + assert(col == 0); + } + + return new(mem_ctx) ir_swizzle(deref, row, 0, 0, 0, 1); +} + +ir_dereference * +ir_mat_op_to_vec_visitor::get_column(ir_variable *var, int row) +{ + ir_dereference *deref; + + if (!var->type->is_matrix()) { + deref = new(mem_ctx) ir_dereference_variable(var); + } else { + deref = new(mem_ctx) ir_dereference_variable(var); + deref = new(mem_ctx) ir_dereference_array(deref, + new(mem_ctx) ir_constant(row)); + } + + return deref; +} + +void +ir_mat_op_to_vec_visitor::do_mul_mat_mat(ir_variable *result_var, + ir_variable *a_var, + ir_variable *b_var) +{ + int b_col, i; + ir_assignment *assign; + ir_expression *expr; + + for (b_col = 0; b_col < b_var->type->matrix_columns; b_col++) { + ir_rvalue *a = get_column(a_var, 0); + ir_rvalue *b = get_element(b_var, b_col, 0); + + /* first column */ + expr = new(mem_ctx) ir_expression(ir_binop_mul, + a->type, + a, + b); + + /* following columns */ + for (i = 1; i < a_var->type->matrix_columns; i++) { + ir_expression *mul_expr; + + a = get_column(a_var, i); + b = get_element(b_var, b_col, i); + + mul_expr = new(mem_ctx) ir_expression(ir_binop_mul, + a->type, + a, + b); + expr = new(mem_ctx) ir_expression(ir_binop_add, + a->type, + expr, + mul_expr); + } + + ir_rvalue *result = get_column(result_var, b_col); + assign = new(mem_ctx) ir_assignment(result, + expr, + NULL); + base_ir->insert_before(assign); + } +} + +void +ir_mat_op_to_vec_visitor::do_mul_mat_vec(ir_variable *result_var, + ir_variable *a_var, + ir_variable *b_var) +{ + int i; + ir_rvalue *a = get_column(a_var, 0); + ir_rvalue *b = get_element(b_var, 0, 0); + ir_assignment *assign; + ir_expression *expr; + + /* first column */ + expr = new(mem_ctx) ir_expression(ir_binop_mul, + result_var->type, + a, + b); + + /* following columns */ + for (i = 1; i < a_var->type->matrix_columns; i++) { + ir_expression *mul_expr; + + a = get_column(a_var, i); + b = get_element(b_var, 0, i); + + mul_expr = new(mem_ctx) ir_expression(ir_binop_mul, + result_var->type, + a, + b); + expr = new(mem_ctx) ir_expression(ir_binop_add, + result_var->type, + expr, + mul_expr); + } + + ir_rvalue *result = new(mem_ctx) ir_dereference_variable(result_var); + assign = new(mem_ctx) ir_assignment(result, + expr, + NULL); + base_ir->insert_before(assign); +} + +void +ir_mat_op_to_vec_visitor::do_mul_vec_mat(ir_variable *result_var, + ir_variable *a_var, + ir_variable *b_var) +{ + int i; + + for (i = 0; i < b_var->type->matrix_columns; i++) { + ir_rvalue *a = new(mem_ctx) ir_dereference_variable(a_var); + ir_rvalue *b = get_column(b_var, i); + ir_rvalue *result; + ir_expression *column_expr; + ir_assignment *column_assign; + + result = new(mem_ctx) ir_dereference_variable(result_var); + result = new(mem_ctx) ir_swizzle(result, i, 0, 0, 0, 1); + + column_expr = new(mem_ctx) ir_expression(ir_binop_dot, + result->type, + a, + b); + + column_assign = new(mem_ctx) ir_assignment(result, + column_expr, + NULL); + base_ir->insert_before(column_assign); + } +} + +void +ir_mat_op_to_vec_visitor::do_mul_mat_scalar(ir_variable *result_var, + ir_variable *a_var, + ir_variable *b_var) +{ + int i; + + for (i = 0; i < a_var->type->matrix_columns; i++) { + ir_rvalue *a = get_column(a_var, i); + ir_rvalue *b = new(mem_ctx) ir_dereference_variable(b_var); + ir_rvalue *result = get_column(result_var, i); + ir_expression *column_expr; + ir_assignment *column_assign; + + column_expr = new(mem_ctx) ir_expression(ir_binop_mul, + result->type, + a, + b); + + column_assign = new(mem_ctx) ir_assignment(result, + column_expr, + NULL); + base_ir->insert_before(column_assign); + } +} + +void +ir_mat_op_to_vec_visitor::do_equal_mat_mat(ir_variable *result_var, + ir_variable *a_var, + ir_variable *b_var, + bool test_equal) +{ + /* This essentially implements the following GLSL: + * + * bool equal(mat4 a, mat4 b) + * { + * return !any(bvec4(a[0] != b[0], + * a[1] != b[1], + * a[2] != b[2], + * a[3] != b[3]); + * } + * + * bool nequal(mat4 a, mat4 b) + * { + * return any(bvec4(a[0] != b[0], + * a[1] != b[1], + * a[2] != b[2], + * a[3] != b[3]); + * } + */ + const unsigned columns = a_var->type->matrix_columns; + const glsl_type *const bvec_type = + glsl_type::get_instance(GLSL_TYPE_BOOL, columns, 1); + + ir_variable *const tmp_bvec = + new(this->mem_ctx) ir_variable(bvec_type, "mat_cmp_bvec", + ir_var_temporary); + this->base_ir->insert_before(tmp_bvec); + + for (unsigned i = 0; i < columns; i++) { + ir_dereference *const op0 = get_column(a_var, i); + ir_dereference *const op1 = get_column(b_var, i); + + ir_expression *const cmp = + new(this->mem_ctx) ir_expression(ir_binop_any_nequal, + glsl_type::bool_type, op0, op1); + + ir_dereference *const lhs = + new(this->mem_ctx) ir_dereference_variable(tmp_bvec); + + ir_assignment *const assign = + new(this->mem_ctx) ir_assignment(lhs, cmp, NULL, (1U << i)); + + this->base_ir->insert_before(assign); + } + + ir_rvalue *const val = + new(this->mem_ctx) ir_dereference_variable(tmp_bvec); + + ir_expression *any = + new(this->mem_ctx) ir_expression(ir_unop_any, glsl_type::bool_type, + val, NULL); + + if (test_equal) + any = new(this->mem_ctx) ir_expression(ir_unop_logic_not, + glsl_type::bool_type, + any, NULL); + + ir_rvalue *const result = + new(this->mem_ctx) ir_dereference_variable(result_var); + + ir_assignment *const assign = + new(mem_ctx) ir_assignment(result, any, NULL); + base_ir->insert_before(assign); +} + +static bool +has_matrix_operand(const ir_expression *expr, unsigned &columns) +{ + for (unsigned i = 0; i < expr->get_num_operands(); i++) { + if (expr->operands[i]->type->is_matrix()) { + columns = expr->operands[i]->type->matrix_columns; + return true; + } + } + + return false; +} + + +ir_visitor_status +ir_mat_op_to_vec_visitor::visit_leave(ir_assignment *orig_assign) +{ + ir_expression *orig_expr = orig_assign->rhs->as_expression(); + unsigned int i, matrix_columns = 1; + ir_variable *op_var[2]; + + if (!orig_expr) + return visit_continue; + + if (!has_matrix_operand(orig_expr, matrix_columns)) + return visit_continue; + + mem_ctx = talloc_parent(orig_assign); + + ir_dereference_variable *lhs_deref = + orig_assign->lhs->as_dereference_variable(); + assert(lhs_deref); + + ir_variable *result_var = lhs_deref->var; + + /* Store the expression operands in temps so we can use them + * multiple times. + */ + for (i = 0; i < orig_expr->get_num_operands(); i++) { + ir_assignment *assign; + + op_var[i] = new(mem_ctx) ir_variable(orig_expr->operands[i]->type, + "mat_op_to_vec", + ir_var_temporary); + base_ir->insert_before(op_var[i]); + + lhs_deref = new(mem_ctx) ir_dereference_variable(op_var[i]); + assign = new(mem_ctx) ir_assignment(lhs_deref, + orig_expr->operands[i], + NULL); + base_ir->insert_before(assign); + } + + /* OK, time to break down this matrix operation. */ + switch (orig_expr->operation) { + case ir_unop_neg: { + const unsigned mask = (1U << result_var->type->vector_elements) - 1; + + /* Apply the operation to each column.*/ + for (i = 0; i < matrix_columns; i++) { + ir_rvalue *op0 = get_column(op_var[0], i); + ir_dereference *result = get_column(result_var, i); + ir_expression *column_expr; + ir_assignment *column_assign; + + column_expr = new(mem_ctx) ir_expression(orig_expr->operation, + result->type, + op0, + NULL); + + column_assign = new(mem_ctx) ir_assignment(result, + column_expr, + NULL, + mask); + assert(column_assign->write_mask != 0); + base_ir->insert_before(column_assign); + } + break; + } + case ir_binop_add: + case ir_binop_sub: + case ir_binop_div: + case ir_binop_mod: { + const unsigned mask = (1U << result_var->type->vector_elements) - 1; + + /* For most operations, the matrix version is just going + * column-wise through and applying the operation to each column + * if available. + */ + for (i = 0; i < matrix_columns; i++) { + ir_rvalue *op0 = get_column(op_var[0], i); + ir_rvalue *op1 = get_column(op_var[1], i); + ir_dereference *result = get_column(result_var, i); + ir_expression *column_expr; + ir_assignment *column_assign; + + column_expr = new(mem_ctx) ir_expression(orig_expr->operation, + result->type, + op0, + op1); + + column_assign = new(mem_ctx) ir_assignment(result, + column_expr, + NULL, + mask); + assert(column_assign->write_mask != 0); + base_ir->insert_before(column_assign); + } + break; + } + case ir_binop_mul: + if (op_var[0]->type->is_matrix()) { + if (op_var[1]->type->is_matrix()) { + do_mul_mat_mat(result_var, op_var[0], op_var[1]); + } else if (op_var[1]->type->is_vector()) { + do_mul_mat_vec(result_var, op_var[0], op_var[1]); + } else { + assert(op_var[1]->type->is_scalar()); + do_mul_mat_scalar(result_var, op_var[0], op_var[1]); + } + } else { + assert(op_var[1]->type->is_matrix()); + if (op_var[0]->type->is_vector()) { + do_mul_vec_mat(result_var, op_var[0], op_var[1]); + } else { + assert(op_var[0]->type->is_scalar()); + do_mul_mat_scalar(result_var, op_var[1], op_var[0]); + } + } + break; + + case ir_binop_all_equal: + case ir_binop_any_nequal: + do_equal_mat_mat(result_var, op_var[1], op_var[0], + (orig_expr->operation == ir_binop_all_equal)); + break; + + default: + printf("FINISHME: Handle matrix operation for %s\n", + orig_expr->operator_string()); + abort(); + } + orig_assign->remove(); + this->made_progress = true; + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_mod_to_fract.cpp b/mesalib/src/glsl/ir_mod_to_fract.cpp new file mode 100644 index 000000000..c82a1f64f --- /dev/null +++ b/mesalib/src/glsl/ir_mod_to_fract.cpp @@ -0,0 +1,90 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_mod_to_fract.cpp + * + * Breaks an ir_unop_mod expression down to (op1 * fract(op0 / op1)) + * + * Many GPUs don't have a MOD instruction (945 and 965 included), and + * if we have to break it down like this anyway, it gives an + * opportunity to do things like constant fold the (1.0 / op1) easily. + */ + +#include "ir.h" + +class ir_mod_to_fract_visitor : public ir_hierarchical_visitor { +public: + ir_mod_to_fract_visitor() + { + this->made_progress = false; + } + + ir_visitor_status visit_leave(ir_expression *); + + bool made_progress; +}; + +bool +do_mod_to_fract(exec_list *instructions) +{ + ir_mod_to_fract_visitor v; + + visit_list_elements(&v, instructions); + return v.made_progress; +} + +ir_visitor_status +ir_mod_to_fract_visitor::visit_leave(ir_expression *ir) +{ + if (ir->operation != ir_binop_mod) + return visit_continue; + + ir_variable *temp = new(ir) ir_variable(ir->operands[1]->type, "mod_b", + ir_var_temporary); + this->base_ir->insert_before(temp); + + ir_assignment *assign; + ir_rvalue *expr; + + assign = new(ir) ir_assignment(new(ir) ir_dereference_variable(temp), + ir->operands[1], NULL); + this->base_ir->insert_before(assign); + + expr = new(ir) ir_expression(ir_binop_div, + ir->operands[0]->type, + ir->operands[0], + new(ir) ir_dereference_variable(temp)); + + expr = new(ir) ir_expression(ir_unop_fract, + ir->operands[0]->type, + expr, + NULL); + + ir->operation = ir_binop_mul; + ir->operands[0] = new(ir) ir_dereference_variable(temp); + ir->operands[1] = expr; + this->made_progress = true; + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_noop_swizzle.cpp b/mesalib/src/glsl/ir_noop_swizzle.cpp new file mode 100644 index 000000000..0403dfa4e --- /dev/null +++ b/mesalib/src/glsl/ir_noop_swizzle.cpp @@ -0,0 +1,80 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_noop_swizzle.cpp + * + * If a swizzle doesn't change the order or count of components, then + * remove the swizzle so that other optimization passes see the value + * behind it. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_print_visitor.h" +#include "glsl_types.h" + +class ir_noop_swizzle_visitor : public ir_rvalue_visitor { +public: + ir_noop_swizzle_visitor() + { + this->progress = false; + } + + void handle_rvalue(ir_rvalue **rvalue); + bool progress; +}; + +void +ir_noop_swizzle_visitor::handle_rvalue(ir_rvalue **rvalue) +{ + if (!*rvalue) + return; + + ir_swizzle *swiz = (*rvalue)->as_swizzle(); + if (!swiz || swiz->type != swiz->val->type) + return; + + int elems = swiz->val->type->vector_elements; + if (swiz->mask.x != 0) + return; + if (elems >= 2 && swiz->mask.y != 1) + return; + if (elems >= 3 && swiz->mask.z != 2) + return; + if (elems >= 4 && swiz->mask.w != 3) + return; + + this->progress = true; + *rvalue = swiz->val; +} + +bool +do_noop_swizzle(exec_list *instructions) +{ + ir_noop_swizzle_visitor v; + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_optimization.h b/mesalib/src/glsl/ir_optimization.h new file mode 100644 index 000000000..6a37e167f --- /dev/null +++ b/mesalib/src/glsl/ir_optimization.h @@ -0,0 +1,61 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file ir_optimization.h + * + * Prototypes for optimization passes to be called by the compiler and drivers. + */ + +bool do_common_optimization(exec_list *ir, bool linked, unsigned max_unroll_iterations); + +bool do_algebraic(exec_list *instructions); +bool do_constant_folding(exec_list *instructions); +bool do_constant_variable(exec_list *instructions); +bool do_constant_variable_unlinked(exec_list *instructions); +bool do_copy_propagation(exec_list *instructions); +bool do_constant_propagation(exec_list *instructions); +bool do_dead_code(exec_list *instructions); +bool do_dead_code_local(exec_list *instructions); +bool do_dead_code_unlinked(exec_list *instructions); +bool do_dead_functions(exec_list *instructions); +bool do_div_to_mul_rcp(exec_list *instructions); +bool do_explog_to_explog2(exec_list *instructions); +bool do_function_inlining(exec_list *instructions); +bool do_lower_jumps(exec_list *instructions, bool pull_out_jumps = true, bool lower_sub_return = true, bool lower_main_return = false, bool lower_continue = false, bool lower_break = false); +bool do_if_simplification(exec_list *instructions); +bool do_if_to_cond_assign(exec_list *instructions); +bool do_mat_op_to_vec(exec_list *instructions); +bool do_mod_to_fract(exec_list *instructions); +bool do_noop_swizzle(exec_list *instructions); +bool do_structure_splitting(exec_list *instructions); +bool do_sub_to_add_neg(exec_list *instructions); +bool do_swizzle_swizzle(exec_list *instructions); +bool do_tree_grafting(exec_list *instructions); +bool do_vec_index_to_cond_assign(exec_list *instructions); +bool do_vec_index_to_swizzle(exec_list *instructions); +bool lower_noise(exec_list *instructions); +bool lower_variable_index_to_cond_assign(exec_list *instructions, + bool lower_input, bool lower_output, bool lower_temp, bool lower_uniform); +bool optimize_redundant_jumps(exec_list *instructions); diff --git a/mesalib/src/glsl/ir_print_visitor.cpp b/mesalib/src/glsl/ir_print_visitor.cpp new file mode 100644 index 000000000..5c19db132 --- /dev/null +++ b/mesalib/src/glsl/ir_print_visitor.cpp @@ -0,0 +1,465 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "ir_print_visitor.h" +#include "glsl_types.h" +#include "glsl_parser_extras.h" + +static void print_type(const glsl_type *t); + +void +ir_instruction::print(void) const +{ + ir_instruction *deconsted = const_cast<ir_instruction *>(this); + + ir_print_visitor v; + deconsted->accept(&v); +} + +void +_mesa_print_ir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + if (state) { + for (unsigned i = 0; i < state->num_user_structures; i++) { + const glsl_type *const s = state->user_structures[i]; + + printf("(structure (%s) (%s@%p) (%u) (\n", + s->name, s->name, (void *) s, s->length); + + for (unsigned j = 0; j < s->length; j++) { + printf("\t(("); + print_type(s->fields.structure[j].type); + printf(")(%s))\n", s->fields.structure[j].name); + } + + printf(")\n"); + } + } + + printf("(\n"); + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + ir->print(); + if (ir->ir_type != ir_type_function) + printf("\n"); + } + printf("\n)"); +} + + +void ir_print_visitor::indent(void) +{ + for (int i = 0; i < indentation; i++) + printf(" "); +} + +static void +print_type(const glsl_type *t) +{ + if (t->base_type == GLSL_TYPE_ARRAY) { + printf("(array "); + print_type(t->fields.array); + printf(" %u)", t->length); + } else if ((t->base_type == GLSL_TYPE_STRUCT) + && (strncmp("gl_", t->name, 3) != 0)) { + printf("%s@%p", t->name, (void *) t); + } else { + printf("%s", t->name); + } +} + + +void ir_print_visitor::visit(ir_variable *ir) +{ + printf("(declare "); + + const char *const cent = (ir->centroid) ? "centroid " : ""; + const char *const inv = (ir->invariant) ? "invariant " : ""; + const char *const mode[] = { "", "uniform ", "in ", "out ", "inout ", + "temporary " }; + const char *const interp[] = { "", "flat", "noperspective" }; + + printf("(%s%s%s%s) ", + cent, inv, mode[ir->mode], interp[ir->interpolation]); + + print_type(ir->type); + printf(" %s@%p)", ir->name, (void *) ir); +} + + +void ir_print_visitor::visit(ir_function_signature *ir) +{ + printf("(signature "); + indentation++; + + print_type(ir->return_type); + printf("\n"); + indent(); + + printf("(parameters\n"); + indentation++; + + foreach_iter(exec_list_iterator, iter, ir->parameters) { + ir_variable *const inst = (ir_variable *) iter.get(); + + indent(); + inst->accept(this); + printf("\n"); + } + indentation--; + + indent(); + printf(")\n"); + + indent(); + + printf("(\n"); + indentation++; + + foreach_iter(exec_list_iterator, iter, ir->body) { + ir_instruction *const inst = (ir_instruction *) iter.get(); + + indent(); + inst->accept(this); + printf("\n"); + } + indentation--; + indent(); + printf("))\n"); + indentation--; +} + + +void ir_print_visitor::visit(ir_function *ir) +{ + if (!ir->has_user_signature()) + return; + + printf("(function %s\n", ir->name); + indentation++; + foreach_iter(exec_list_iterator, iter, *ir) { + ir_function_signature *const sig = (ir_function_signature *) iter.get(); + + if (sig->is_builtin) + continue; + + indent(); + sig->accept(this); + printf("\n"); + } + indentation--; + indent(); + printf(")\n\n"); +} + + +void ir_print_visitor::visit(ir_expression *ir) +{ + printf("(expression "); + + print_type(ir->type); + + printf(" %s ", ir->operator_string()); + + if (ir->operands[0]) + ir->operands[0]->accept(this); + + if (ir->operands[1]) + ir->operands[1]->accept(this); + printf(") "); +} + + +void ir_print_visitor::visit(ir_texture *ir) +{ + printf("(%s ", ir->opcode_string()); + + ir->sampler->accept(this); + printf(" "); + + ir->coordinate->accept(this); + + printf(" (%d %d %d) ", ir->offsets[0], ir->offsets[1], ir->offsets[2]); + + if (ir->op != ir_txf) { + if (ir->projector) + ir->projector->accept(this); + else + printf("1"); + + if (ir->shadow_comparitor) { + printf(" "); + ir->shadow_comparitor->accept(this); + } else { + printf(" ()"); + } + } + + printf(" "); + switch (ir->op) + { + case ir_tex: + break; + case ir_txb: + ir->lod_info.bias->accept(this); + break; + case ir_txl: + case ir_txf: + ir->lod_info.lod->accept(this); + break; + case ir_txd: + printf("("); + ir->lod_info.grad.dPdx->accept(this); + printf(" "); + ir->lod_info.grad.dPdy->accept(this); + printf(")"); + break; + }; + printf(")"); +} + + +void ir_print_visitor::visit(ir_swizzle *ir) +{ + const unsigned swiz[4] = { + ir->mask.x, + ir->mask.y, + ir->mask.z, + ir->mask.w, + }; + + printf("(swiz "); + for (unsigned i = 0; i < ir->mask.num_components; i++) { + printf("%c", "xyzw"[swiz[i]]); + } + printf(" "); + ir->val->accept(this); + printf(")"); +} + + +void ir_print_visitor::visit(ir_dereference_variable *ir) +{ + ir_variable *var = ir->variable_referenced(); + printf("(var_ref %s@%p) ", var->name, (void *) var); +} + + +void ir_print_visitor::visit(ir_dereference_array *ir) +{ + printf("(array_ref "); + ir->array->accept(this); + ir->array_index->accept(this); + printf(") "); +} + + +void ir_print_visitor::visit(ir_dereference_record *ir) +{ + printf("(record_ref "); + ir->record->accept(this); + printf(" %s) ", ir->field); +} + + +void ir_print_visitor::visit(ir_assignment *ir) +{ + printf("(assign "); + + if (ir->condition) + ir->condition->accept(this); + else + printf("(constant bool (1))"); + + + char mask[5]; + unsigned j = 0; + + for (unsigned i = 0; i < 4; i++) { + if ((ir->write_mask & (1 << i)) != 0) { + mask[j] = "xyzw"[i]; + j++; + } + } + mask[j] = '\0'; + + printf(" (%s) ", mask); + + ir->lhs->accept(this); + + printf(" "); + + ir->rhs->accept(this); + printf(") "); +} + + +void ir_print_visitor::visit(ir_constant *ir) +{ + const glsl_type *const base_type = ir->type->get_base_type(); + + printf("(constant "); + print_type(ir->type); + printf(" ("); + + if (ir->type->is_array()) { + for (unsigned i = 0; i < ir->type->length; i++) + ir->get_array_element(i)->accept(this); + } else { + for (unsigned i = 0; i < ir->type->components(); i++) { + if (i != 0) + printf(" "); + switch (base_type->base_type) { + case GLSL_TYPE_UINT: printf("%u", ir->value.u[i]); break; + case GLSL_TYPE_INT: printf("%d", ir->value.i[i]); break; + case GLSL_TYPE_FLOAT: printf("%f", ir->value.f[i]); break; + case GLSL_TYPE_BOOL: printf("%d", ir->value.b[i]); break; + default: assert(0); + } + } + } + printf(")) "); +} + + +void +ir_print_visitor::visit(ir_call *ir) +{ + printf("(call %s (", ir->callee_name()); + foreach_iter(exec_list_iterator, iter, *ir) { + ir_instruction *const inst = (ir_instruction *) iter.get(); + + inst->accept(this); + } + printf("))\n"); +} + + +void +ir_print_visitor::visit(ir_return *ir) +{ + printf("(return"); + + ir_rvalue *const value = ir->get_value(); + if (value) { + printf(" "); + value->accept(this); + } + + printf(")"); +} + + +void +ir_print_visitor::visit(ir_discard *ir) +{ + printf("(discard "); + + if (ir->condition != NULL) { + printf(" "); + ir->condition->accept(this); + } + + printf(")"); +} + + +void +ir_print_visitor::visit(ir_if *ir) +{ + printf("(if "); + ir->condition->accept(this); + + printf("(\n"); + indentation++; + + foreach_iter(exec_list_iterator, iter, ir->then_instructions) { + ir_instruction *const inst = (ir_instruction *) iter.get(); + + indent(); + inst->accept(this); + printf("\n"); + } + + indentation--; + indent(); + printf(")\n"); + + indent(); + if (!ir->else_instructions.is_empty()) { + printf("(\n"); + indentation++; + + foreach_iter(exec_list_iterator, iter, ir->else_instructions) { + ir_instruction *const inst = (ir_instruction *) iter.get(); + + indent(); + inst->accept(this); + printf("\n"); + } + indentation--; + indent(); + printf("))\n"); + } else { + printf("())\n"); + } +} + + +void +ir_print_visitor::visit(ir_loop *ir) +{ + printf("(loop ("); + if (ir->counter != NULL) + ir->counter->accept(this); + printf(") ("); + if (ir->from != NULL) + ir->from->accept(this); + printf(") ("); + if (ir->to != NULL) + ir->to->accept(this); + printf(") ("); + if (ir->increment != NULL) + ir->increment->accept(this); + printf(") (\n"); + indentation++; + + foreach_iter(exec_list_iterator, iter, ir->body_instructions) { + ir_instruction *const inst = (ir_instruction *) iter.get(); + + indent(); + inst->accept(this); + printf("\n"); + } + indentation--; + indent(); + printf("))\n"); +} + + +void +ir_print_visitor::visit(ir_loop_jump *ir) +{ + printf("%s", ir->is_break() ? "break" : "continue"); +} diff --git a/mesalib/src/glsl/ir_print_visitor.h b/mesalib/src/glsl/ir_print_visitor.h new file mode 100644 index 000000000..4feeb8c18 --- /dev/null +++ b/mesalib/src/glsl/ir_print_visitor.h @@ -0,0 +1,83 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef IR_PRINT_VISITOR_H +#define IR_PRINT_VISITOR_H + +#include "ir.h" +#include "ir_visitor.h" + +extern void _mesa_print_ir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +/** + * Abstract base class of visitors of IR instruction trees + */ +class ir_print_visitor : public ir_visitor { +public: + ir_print_visitor() + { + indentation = 0; + } + + virtual ~ir_print_visitor() + { + /* empty */ + } + + void indent(void); + + /** + * \name Visit methods + * + * As typical for the visitor pattern, there must be one \c visit method for + * each concrete subclass of \c ir_instruction. Virtual base classes within + * the hierarchy should not have \c visit methods. + */ + /*@{*/ + virtual void visit(ir_variable *); + virtual void visit(ir_function_signature *); + virtual void visit(ir_function *); + virtual void visit(ir_expression *); + virtual void visit(ir_texture *); + virtual void visit(ir_swizzle *); + virtual void visit(ir_dereference_variable *); + virtual void visit(ir_dereference_array *); + virtual void visit(ir_dereference_record *); + virtual void visit(ir_assignment *); + virtual void visit(ir_constant *); + virtual void visit(ir_call *); + virtual void visit(ir_return *); + virtual void visit(ir_discard *); + virtual void visit(ir_if *); + virtual void visit(ir_loop *); + virtual void visit(ir_loop_jump *); + /*@}*/ + +private: + int indentation; +}; + +#endif /* IR_PRINT_VISITOR_H */ diff --git a/mesalib/src/glsl/ir_reader.cpp b/mesalib/src/glsl/ir_reader.cpp new file mode 100644 index 000000000..a9cbf8ea9 --- /dev/null +++ b/mesalib/src/glsl/ir_reader.cpp @@ -0,0 +1,1146 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <cstdarg> + +extern "C" { +#include <talloc.h> +} + +#include "ir_reader.h" +#include "glsl_parser_extras.h" +#include "glsl_types.h" +#include "s_expression.h" + +const static bool debug = false; + +static void ir_read_error(_mesa_glsl_parse_state *, s_expression *, + const char *fmt, ...); +static const glsl_type *read_type(_mesa_glsl_parse_state *, s_expression *); + +static void scan_for_prototypes(_mesa_glsl_parse_state *, exec_list *, + s_expression *); +static ir_function *read_function(_mesa_glsl_parse_state *, s_list *, + bool skip_body); +static void read_function_sig(_mesa_glsl_parse_state *, ir_function *, + s_list *, bool skip_body); + +static void read_instructions(_mesa_glsl_parse_state *, exec_list *, + s_expression *, ir_loop *); +static ir_instruction *read_instruction(_mesa_glsl_parse_state *, + s_expression *, ir_loop *); +static ir_variable *read_declaration(_mesa_glsl_parse_state *, s_list *); +static ir_if *read_if(_mesa_glsl_parse_state *, s_list *, ir_loop *); +static ir_loop *read_loop(_mesa_glsl_parse_state *st, s_list *list); +static ir_return *read_return(_mesa_glsl_parse_state *, s_list *); + +static ir_rvalue *read_rvalue(_mesa_glsl_parse_state *, s_expression *); +static ir_assignment *read_assignment(_mesa_glsl_parse_state *, s_list *); +static ir_expression *read_expression(_mesa_glsl_parse_state *, s_list *); +static ir_call *read_call(_mesa_glsl_parse_state *, s_list *); +static ir_swizzle *read_swizzle(_mesa_glsl_parse_state *, s_list *); +static ir_constant *read_constant(_mesa_glsl_parse_state *, s_list *); +static ir_texture *read_texture(_mesa_glsl_parse_state *, s_list *); + +static ir_dereference *read_dereference(_mesa_glsl_parse_state *, + s_expression *); +static ir_dereference *read_var_ref(_mesa_glsl_parse_state *, s_list *); +static ir_dereference *read_array_ref(_mesa_glsl_parse_state *, s_list *); +static ir_dereference *read_record_ref(_mesa_glsl_parse_state *, s_list *); + +void +_mesa_glsl_read_ir(_mesa_glsl_parse_state *state, exec_list *instructions, + const char *src, bool scan_for_protos) +{ + s_expression *expr = s_expression::read_expression(state, src); + if (expr == NULL) { + ir_read_error(state, NULL, "couldn't parse S-Expression."); + return; + } + + if (scan_for_protos) { + scan_for_prototypes(state, instructions, expr); + if (state->error) + return; + } + + read_instructions(state, instructions, expr, NULL); + talloc_free(expr); + + if (debug) + validate_ir_tree(instructions); +} + +static void +ir_read_error(_mesa_glsl_parse_state *state, s_expression *expr, + const char *fmt, ...) +{ + va_list ap; + + state->error = true; + + if (state->current_function != NULL) + state->info_log = talloc_asprintf_append(state->info_log, + "In function %s:\n", + state->current_function->function_name()); + state->info_log = talloc_strdup_append(state->info_log, "error: "); + + va_start(ap, fmt); + state->info_log = talloc_vasprintf_append(state->info_log, fmt, ap); + va_end(ap); + state->info_log = talloc_strdup_append(state->info_log, "\n"); + + if (expr != NULL) { + state->info_log = talloc_strdup_append(state->info_log, + "...in this context:\n "); + expr->print(); + state->info_log = talloc_strdup_append(state->info_log, "\n\n"); + } +} + +static const glsl_type * +read_type(_mesa_glsl_parse_state *st, s_expression *expr) +{ + s_list *list = SX_AS_LIST(expr); + if (list != NULL) { + s_symbol *type_sym = SX_AS_SYMBOL(list->subexpressions.get_head()); + if (type_sym == NULL) { + ir_read_error(st, expr, "expected type (array ...) or (struct ...)"); + return NULL; + } + if (strcmp(type_sym->value(), "array") == 0) { + if (list->length() != 3) { + ir_read_error(st, expr, "expected type (array <type> <int>)"); + return NULL; + } + + // Read base type + s_expression *base_expr = (s_expression*) type_sym->next; + const glsl_type *base_type = read_type(st, base_expr); + if (base_type == NULL) { + ir_read_error(st, NULL, "when reading base type of array"); + return NULL; + } + + // Read array size + s_int *size = SX_AS_INT(base_expr->next); + if (size == NULL) { + ir_read_error(st, expr, "found non-integer array size"); + return NULL; + } + + return glsl_type::get_array_instance(base_type, size->value()); + } else if (strcmp(type_sym->value(), "struct") == 0) { + assert(false); // FINISHME + } else { + ir_read_error(st, expr, "expected (array ...) or (struct ...); " + "found (%s ...)", type_sym->value()); + return NULL; + } + } + + s_symbol *type_sym = SX_AS_SYMBOL(expr); + if (type_sym == NULL) { + ir_read_error(st, expr, "expected <type> (symbol or list)"); + return NULL; + } + + const glsl_type *type = st->symbols->get_type(type_sym->value()); + if (type == NULL) + ir_read_error(st, expr, "invalid type: %s", type_sym->value()); + + return type; +} + + +static void +scan_for_prototypes(_mesa_glsl_parse_state *st, exec_list *instructions, + s_expression *expr) +{ + s_list *list = SX_AS_LIST(expr); + if (list == NULL) { + ir_read_error(st, expr, "Expected (<instruction> ...); found an atom."); + return; + } + + foreach_iter(exec_list_iterator, it, list->subexpressions) { + s_list *sub = SX_AS_LIST(it.get()); + if (sub == NULL) + continue; // not a (function ...); ignore it. + + s_symbol *tag = SX_AS_SYMBOL(sub->subexpressions.get_head()); + if (tag == NULL || strcmp(tag->value(), "function") != 0) + continue; // not a (function ...); ignore it. + + ir_function *f = read_function(st, sub, true); + if (f == NULL) + return; + instructions->push_tail(f); + } +} + +static ir_function * +read_function(_mesa_glsl_parse_state *st, s_list *list, bool skip_body) +{ + void *ctx = st; + bool added = false; + if (list->length() < 3) { + ir_read_error(st, list, "Expected (function <name> (signature ...) ...)"); + return NULL; + } + + s_symbol *name = SX_AS_SYMBOL(list->subexpressions.head->next); + if (name == NULL) { + ir_read_error(st, list, "Expected (function <name> ...)"); + return NULL; + } + + ir_function *f = st->symbols->get_function(name->value()); + if (f == NULL) { + f = new(ctx) ir_function(name->value()); + added = st->symbols->add_function(f->name, f); + assert(added); + } + + exec_list_iterator it = list->subexpressions.iterator(); + it.next(); // skip "function" tag + it.next(); // skip function name + for (/* nothing */; it.has_next(); it.next()) { + s_list *siglist = SX_AS_LIST(it.get()); + if (siglist == NULL) { + ir_read_error(st, list, "Expected (function (signature ...) ...)"); + return NULL; + } + + s_symbol *tag = SX_AS_SYMBOL(siglist->subexpressions.get_head()); + if (tag == NULL || strcmp(tag->value(), "signature") != 0) { + ir_read_error(st, siglist, "Expected (signature ...)"); + return NULL; + } + + read_function_sig(st, f, siglist, skip_body); + } + return added ? f : NULL; +} + +static void +read_function_sig(_mesa_glsl_parse_state *st, ir_function *f, s_list *list, + bool skip_body) +{ + void *ctx = st; + if (list->length() != 4) { + ir_read_error(st, list, "Expected (signature <type> (parameters ...) " + "(<instruction> ...))"); + return; + } + + s_expression *type_expr = (s_expression*) list->subexpressions.head->next; + const glsl_type *return_type = read_type(st, type_expr); + if (return_type == NULL) + return; + + s_list *paramlist = SX_AS_LIST(type_expr->next); + s_list *body_list = SX_AS_LIST(paramlist->next); + if (paramlist == NULL || body_list == NULL) { + ir_read_error(st, list, "Expected (signature <type> (parameters ...) " + "(<instruction> ...))"); + return; + } + s_symbol *paramtag = SX_AS_SYMBOL(paramlist->subexpressions.get_head()); + if (paramtag == NULL || strcmp(paramtag->value(), "parameters") != 0) { + ir_read_error(st, paramlist, "Expected (parameters ...)"); + return; + } + + // Read the parameters list into a temporary place. + exec_list hir_parameters; + st->symbols->push_scope(); + + exec_list_iterator it = paramlist->subexpressions.iterator(); + for (it.next() /* skip "parameters" */; it.has_next(); it.next()) { + s_list *decl = SX_AS_LIST(it.get()); + ir_variable *var = read_declaration(st, decl); + if (var == NULL) + return; + + hir_parameters.push_tail(var); + } + + ir_function_signature *sig = f->exact_matching_signature(&hir_parameters); + if (sig == NULL && skip_body) { + /* If scanning for prototypes, generate a new signature. */ + sig = new(ctx) ir_function_signature(return_type); + sig->is_builtin = true; + f->add_signature(sig); + } else if (sig != NULL) { + const char *badvar = sig->qualifiers_match(&hir_parameters); + if (badvar != NULL) { + ir_read_error(st, list, "function `%s' parameter `%s' qualifiers " + "don't match prototype", f->name, badvar); + return; + } + + if (sig->return_type != return_type) { + ir_read_error(st, list, "function `%s' return type doesn't " + "match prototype", f->name); + return; + } + } else { + /* No prototype for this body exists - skip it. */ + st->symbols->pop_scope(); + return; + } + assert(sig != NULL); + + sig->replace_parameters(&hir_parameters); + + if (!skip_body && !body_list->subexpressions.is_empty()) { + if (sig->is_defined) { + ir_read_error(st, list, "function %s redefined", f->name); + return; + } + st->current_function = sig; + read_instructions(st, &sig->body, body_list, NULL); + st->current_function = NULL; + sig->is_defined = true; + } + + st->symbols->pop_scope(); +} + +static void +read_instructions(_mesa_glsl_parse_state *st, exec_list *instructions, + s_expression *expr, ir_loop *loop_ctx) +{ + // Read in a list of instructions + s_list *list = SX_AS_LIST(expr); + if (list == NULL) { + ir_read_error(st, expr, "Expected (<instruction> ...); found an atom."); + return; + } + + foreach_iter(exec_list_iterator, it, list->subexpressions) { + s_expression *sub = (s_expression*) it.get(); + ir_instruction *ir = read_instruction(st, sub, loop_ctx); + if (ir != NULL) { + /* Global variable declarations should be moved to the top, before + * any functions that might use them. Functions are added to the + * instruction stream when scanning for prototypes, so without this + * hack, they always appear before variable declarations. + */ + if (st->current_function == NULL && ir->as_variable() != NULL) + instructions->push_head(ir); + else + instructions->push_tail(ir); + } + } +} + + +static ir_instruction * +read_instruction(_mesa_glsl_parse_state *st, s_expression *expr, + ir_loop *loop_ctx) +{ + void *ctx = st; + s_symbol *symbol = SX_AS_SYMBOL(expr); + if (symbol != NULL) { + if (strcmp(symbol->value(), "break") == 0 && loop_ctx != NULL) + return new(ctx) ir_loop_jump(ir_loop_jump::jump_break); + if (strcmp(symbol->value(), "continue") == 0 && loop_ctx != NULL) + return new(ctx) ir_loop_jump(ir_loop_jump::jump_continue); + } + + s_list *list = SX_AS_LIST(expr); + if (list == NULL || list->subexpressions.is_empty()) { + ir_read_error(st, expr, "Invalid instruction.\n"); + return NULL; + } + + s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head()); + if (tag == NULL) { + ir_read_error(st, expr, "expected instruction tag"); + return NULL; + } + + ir_instruction *inst = NULL; + if (strcmp(tag->value(), "declare") == 0) { + inst = read_declaration(st, list); + } else if (strcmp(tag->value(), "assign") == 0) { + inst = read_assignment(st, list); + } else if (strcmp(tag->value(), "if") == 0) { + inst = read_if(st, list, loop_ctx); + } else if (strcmp(tag->value(), "loop") == 0) { + inst = read_loop(st, list); + } else if (strcmp(tag->value(), "return") == 0) { + inst = read_return(st, list); + } else if (strcmp(tag->value(), "function") == 0) { + inst = read_function(st, list, false); + } else { + inst = read_rvalue(st, list); + if (inst == NULL) + ir_read_error(st, NULL, "when reading instruction"); + } + return inst; +} + + +static ir_variable * +read_declaration(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 4) { + ir_read_error(st, list, "expected (declare (<qualifiers>) <type> " + "<name>)"); + return NULL; + } + + s_list *quals = SX_AS_LIST(list->subexpressions.head->next); + if (quals == NULL) { + ir_read_error(st, list, "expected a list of variable qualifiers"); + return NULL; + } + + s_expression *type_expr = (s_expression*) quals->next; + const glsl_type *type = read_type(st, type_expr); + if (type == NULL) + return NULL; + + s_symbol *var_name = SX_AS_SYMBOL(type_expr->next); + if (var_name == NULL) { + ir_read_error(st, list, "expected variable name, found non-symbol"); + return NULL; + } + + ir_variable *var = new(ctx) ir_variable(type, var_name->value(), + ir_var_auto); + + foreach_iter(exec_list_iterator, it, quals->subexpressions) { + s_symbol *qualifier = SX_AS_SYMBOL(it.get()); + if (qualifier == NULL) { + ir_read_error(st, list, "qualifier list must contain only symbols"); + delete var; + return NULL; + } + + // FINISHME: Check for duplicate/conflicting qualifiers. + if (strcmp(qualifier->value(), "centroid") == 0) { + var->centroid = 1; + } else if (strcmp(qualifier->value(), "invariant") == 0) { + var->invariant = 1; + } else if (strcmp(qualifier->value(), "uniform") == 0) { + var->mode = ir_var_uniform; + } else if (strcmp(qualifier->value(), "auto") == 0) { + var->mode = ir_var_auto; + } else if (strcmp(qualifier->value(), "in") == 0) { + var->mode = ir_var_in; + } else if (strcmp(qualifier->value(), "out") == 0) { + var->mode = ir_var_out; + } else if (strcmp(qualifier->value(), "inout") == 0) { + var->mode = ir_var_inout; + } else if (strcmp(qualifier->value(), "smooth") == 0) { + var->interpolation = ir_var_smooth; + } else if (strcmp(qualifier->value(), "flat") == 0) { + var->interpolation = ir_var_flat; + } else if (strcmp(qualifier->value(), "noperspective") == 0) { + var->interpolation = ir_var_noperspective; + } else { + ir_read_error(st, list, "unknown qualifier: %s", qualifier->value()); + delete var; + return NULL; + } + } + + // Add the variable to the symbol table + st->symbols->add_variable(var->name, var); + + return var; +} + + +static ir_if * +read_if(_mesa_glsl_parse_state *st, s_list *list, ir_loop *loop_ctx) +{ + void *ctx = st; + if (list->length() != 4) { + ir_read_error(st, list, "expected (if <condition> (<then> ...) " + "(<else> ...))"); + return NULL; + } + + s_expression *cond_expr = (s_expression*) list->subexpressions.head->next; + ir_rvalue *condition = read_rvalue(st, cond_expr); + if (condition == NULL) { + ir_read_error(st, NULL, "when reading condition of (if ...)"); + return NULL; + } + + s_expression *then_expr = (s_expression*) cond_expr->next; + s_expression *else_expr = (s_expression*) then_expr->next; + + ir_if *iff = new(ctx) ir_if(condition); + + read_instructions(st, &iff->then_instructions, then_expr, loop_ctx); + read_instructions(st, &iff->else_instructions, else_expr, loop_ctx); + if (st->error) { + delete iff; + iff = NULL; + } + return iff; +} + + +static ir_loop * +read_loop(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 6) { + ir_read_error(st, list, "expected (loop <counter> <from> <to> " + "<increment> <body>)"); + return NULL; + } + + s_expression *count_expr = (s_expression*) list->subexpressions.head->next; + s_expression *from_expr = (s_expression*) count_expr->next; + s_expression *to_expr = (s_expression*) from_expr->next; + s_expression *inc_expr = (s_expression*) to_expr->next; + s_expression *body_expr = (s_expression*) inc_expr->next; + + // FINISHME: actually read the count/from/to fields. + + ir_loop *loop = new(ctx) ir_loop; + read_instructions(st, &loop->body_instructions, body_expr, loop); + if (st->error) { + delete loop; + loop = NULL; + } + return loop; +} + + +static ir_return * +read_return(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 2) { + ir_read_error(st, list, "expected (return <rvalue>)"); + return NULL; + } + + s_expression *expr = (s_expression*) list->subexpressions.head->next; + + ir_rvalue *retval = read_rvalue(st, expr); + if (retval == NULL) { + ir_read_error(st, NULL, "when reading return value"); + return NULL; + } + + return new(ctx) ir_return(retval); +} + + +static ir_rvalue * +read_rvalue(_mesa_glsl_parse_state *st, s_expression *expr) +{ + s_list *list = SX_AS_LIST(expr); + if (list == NULL || list->subexpressions.is_empty()) + return NULL; + + s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.get_head()); + if (tag == NULL) { + ir_read_error(st, expr, "expected rvalue tag"); + return NULL; + } + + ir_rvalue *rvalue = read_dereference(st, list); + if (rvalue != NULL || st->error) + return rvalue; + else if (strcmp(tag->value(), "swiz") == 0) { + rvalue = read_swizzle(st, list); + } else if (strcmp(tag->value(), "expression") == 0) { + rvalue = read_expression(st, list); + } else if (strcmp(tag->value(), "call") == 0) { + rvalue = read_call(st, list); + } else if (strcmp(tag->value(), "constant") == 0) { + rvalue = read_constant(st, list); + } else { + rvalue = read_texture(st, list); + if (rvalue == NULL && !st->error) + ir_read_error(st, expr, "unrecognized rvalue tag: %s", tag->value()); + } + + return rvalue; +} + +static ir_assignment * +read_assignment(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 5) { + ir_read_error(st, list, "expected (assign <condition> (<write mask>) " + "<lhs> <rhs>)"); + return NULL; + } + + s_expression *cond_expr = (s_expression*) list->subexpressions.head->next; + s_list *mask_list = SX_AS_LIST(cond_expr->next); + s_expression *lhs_expr = (s_expression*) cond_expr->next->next; + s_expression *rhs_expr = (s_expression*) lhs_expr->next; + + ir_rvalue *condition = read_rvalue(st, cond_expr); + if (condition == NULL) { + ir_read_error(st, NULL, "when reading condition of assignment"); + return NULL; + } + + if (mask_list == NULL || mask_list->length() > 1) { + ir_read_error(st, mask_list, "expected () or (<write mask>)"); + return NULL; + } + + unsigned mask = 0; + if (mask_list->length() == 1) { + s_symbol *mask_symbol = SX_AS_SYMBOL(mask_list->subexpressions.head); + if (mask_symbol == NULL) { + ir_read_error(st, list, "expected a write mask; found non-symbol"); + return NULL; + } + + const char *mask_str = mask_symbol->value(); + unsigned mask_length = strlen(mask_str); + if (mask_length > 4) { + ir_read_error(st, list, "invalid write mask: %s", mask_str); + return NULL; + } + + const unsigned idx_map[] = { 3, 0, 1, 2 }; /* w=bit 3, x=0, y=1, z=2 */ + + for (unsigned i = 0; i < mask_length; i++) { + if (mask_str[i] < 'w' || mask_str[i] > 'z') { + ir_read_error(st, list, "write mask contains invalid character: %c", + mask_str[i]); + return NULL; + } + mask |= 1 << idx_map[mask_str[i] - 'w']; + } + } + + ir_dereference *lhs = read_dereference(st, lhs_expr); + if (lhs == NULL) { + ir_read_error(st, NULL, "when reading left-hand side of assignment"); + return NULL; + } + + ir_rvalue *rhs = read_rvalue(st, rhs_expr); + if (rhs == NULL) { + ir_read_error(st, NULL, "when reading right-hand side of assignment"); + return NULL; + } + + if (mask == 0 && (lhs->type->is_vector() || lhs->type->is_scalar())) { + ir_read_error(st, list, "non-zero write mask required."); + return NULL; + } + + return new(ctx) ir_assignment(lhs, rhs, condition, mask); +} + +static ir_call * +read_call(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 3) { + ir_read_error(st, list, "expected (call <name> (<param> ...))"); + return NULL; + } + + s_symbol *name = SX_AS_SYMBOL(list->subexpressions.head->next); + s_list *params = SX_AS_LIST(name->next); + if (name == NULL || params == NULL) { + ir_read_error(st, list, "expected (call <name> (<param> ...))"); + return NULL; + } + + exec_list parameters; + + foreach_iter(exec_list_iterator, it, params->subexpressions) { + s_expression *expr = (s_expression*) it.get(); + ir_rvalue *param = read_rvalue(st, expr); + if (param == NULL) { + ir_read_error(st, list, "when reading parameter to function call"); + return NULL; + } + parameters.push_tail(param); + } + + ir_function *f = st->symbols->get_function(name->value()); + if (f == NULL) { + ir_read_error(st, list, "found call to undefined function %s", + name->value()); + return NULL; + } + + ir_function_signature *callee = f->matching_signature(¶meters); + if (callee == NULL) { + ir_read_error(st, list, "couldn't find matching signature for function " + "%s", name->value()); + return NULL; + } + + return new(ctx) ir_call(callee, ¶meters); +} + +static ir_expression * +read_expression(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + const unsigned list_length = list->length(); + if (list_length < 4) { + ir_read_error(st, list, "expected (expression <type> <operator> " + "<operand> [<operand>])"); + return NULL; + } + + s_expression *type_expr = (s_expression*) list->subexpressions.head->next; + const glsl_type *type = read_type(st, type_expr); + if (type == NULL) + return NULL; + + /* Read the operator */ + s_symbol *op_sym = SX_AS_SYMBOL(type_expr->next); + if (op_sym == NULL) { + ir_read_error(st, list, "expected operator, found non-symbol"); + return NULL; + } + + ir_expression_operation op = ir_expression::get_operator(op_sym->value()); + if (op == (ir_expression_operation) -1) { + ir_read_error(st, list, "invalid operator: %s", op_sym->value()); + return NULL; + } + + /* Now that we know the operator, check for the right number of operands */ + if (ir_expression::get_num_operands(op) == 2) { + if (list_length != 5) { + ir_read_error(st, list, "expected (expression <type> %s <operand> " + " <operand>)", op_sym->value()); + return NULL; + } + } else { + if (list_length != 4) { + ir_read_error(st, list, "expected (expression <type> %s <operand>)", + op_sym->value()); + return NULL; + } + } + + s_expression *exp1 = (s_expression*) (op_sym->next); + ir_rvalue *arg1 = read_rvalue(st, exp1); + if (arg1 == NULL) { + ir_read_error(st, NULL, "when reading first operand of %s", + op_sym->value()); + return NULL; + } + + ir_rvalue *arg2 = NULL; + if (ir_expression::get_num_operands(op) == 2) { + s_expression *exp2 = (s_expression*) (exp1->next); + arg2 = read_rvalue(st, exp2); + if (arg2 == NULL) { + ir_read_error(st, NULL, "when reading second operand of %s", + op_sym->value()); + return NULL; + } + } + + return new(ctx) ir_expression(op, type, arg1, arg2); +} + +static ir_swizzle * +read_swizzle(_mesa_glsl_parse_state *st, s_list *list) +{ + if (list->length() != 3) { + ir_read_error(st, list, "expected (swiz <swizzle> <rvalue>)"); + return NULL; + } + + s_symbol *swiz = SX_AS_SYMBOL(list->subexpressions.head->next); + if (swiz == NULL) { + ir_read_error(st, list, "expected a valid swizzle; found non-symbol"); + return NULL; + } + + if (strlen(swiz->value()) > 4) { + ir_read_error(st, list, "expected a valid swizzle; found %s", + swiz->value()); + return NULL; + } + + s_expression *sub = (s_expression*) swiz->next; + if (sub == NULL) { + ir_read_error(st, list, "expected rvalue: (swizzle %s <rvalue>)", + swiz->value()); + return NULL; + } + + ir_rvalue *rvalue = read_rvalue(st, sub); + if (rvalue == NULL) + return NULL; + + ir_swizzle *ir = ir_swizzle::create(rvalue, swiz->value(), + rvalue->type->vector_elements); + if (ir == NULL) + ir_read_error(st, list, "invalid swizzle"); + + return ir; +} + +static ir_constant * +read_constant(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 3) { + ir_read_error(st, list, "expected (constant <type> (...))"); + return NULL; + } + + s_expression *type_expr = (s_expression*) list->subexpressions.head->next; + const glsl_type *type = read_type(st, type_expr); + if (type == NULL) + return NULL; + + s_list *values = SX_AS_LIST(type_expr->next); + if (values == NULL) { + ir_read_error(st, list, "expected (constant <type> (...))"); + return NULL; + } + + if (type->is_array()) { + const unsigned elements_supplied = values->length(); + if (elements_supplied != type->length) { + ir_read_error(st, values, "expected exactly %u array elements, " + "given %u", type->length, elements_supplied); + return NULL; + } + + exec_list elements; + foreach_iter(exec_list_iterator, it, values->subexpressions) { + s_expression *expr = (s_expression *) it.get(); + s_list *elt = SX_AS_LIST(expr); + if (elt == NULL) { + ir_read_error(st, expr, "expected (constant ...) array element"); + return NULL; + } + + ir_constant *ir_elt = read_constant(st, elt); + if (ir_elt == NULL) + return NULL; + elements.push_tail(ir_elt); + } + return new(ctx) ir_constant(type, &elements); + } + + const glsl_type *const base_type = type->get_base_type(); + + ir_constant_data data = { { 0 } }; + + // Read in list of values (at most 16). + int k = 0; + foreach_iter(exec_list_iterator, it, values->subexpressions) { + if (k >= 16) { + ir_read_error(st, values, "expected at most 16 numbers"); + return NULL; + } + + s_expression *expr = (s_expression*) it.get(); + + if (base_type->base_type == GLSL_TYPE_FLOAT) { + s_number *value = SX_AS_NUMBER(expr); + if (value == NULL) { + ir_read_error(st, values, "expected numbers"); + return NULL; + } + data.f[k] = value->fvalue(); + } else { + s_int *value = SX_AS_INT(expr); + if (value == NULL) { + ir_read_error(st, values, "expected integers"); + return NULL; + } + + switch (base_type->base_type) { + case GLSL_TYPE_UINT: { + data.u[k] = value->value(); + break; + } + case GLSL_TYPE_INT: { + data.i[k] = value->value(); + break; + } + case GLSL_TYPE_BOOL: { + data.b[k] = value->value(); + break; + } + default: + ir_read_error(st, values, "unsupported constant type"); + return NULL; + } + } + ++k; + } + + return new(ctx) ir_constant(type, &data); +} + +static ir_dereference * +read_dereference(_mesa_glsl_parse_state *st, s_expression *expr) +{ + s_list *list = SX_AS_LIST(expr); + if (list == NULL || list->subexpressions.is_empty()) + return NULL; + + s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.head); + assert(tag != NULL); + + if (strcmp(tag->value(), "var_ref") == 0) + return read_var_ref(st, list); + if (strcmp(tag->value(), "array_ref") == 0) + return read_array_ref(st, list); + if (strcmp(tag->value(), "record_ref") == 0) + return read_record_ref(st, list); + return NULL; +} + +static ir_dereference * +read_var_ref(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 2) { + ir_read_error(st, list, "expected (var_ref <variable name>)"); + return NULL; + } + s_symbol *var_name = SX_AS_SYMBOL(list->subexpressions.head->next); + if (var_name == NULL) { + ir_read_error(st, list, "expected (var_ref <variable name>)"); + return NULL; + } + + ir_variable *var = st->symbols->get_variable(var_name->value()); + if (var == NULL) { + ir_read_error(st, list, "undeclared variable: %s", var_name->value()); + return NULL; + } + + return new(ctx) ir_dereference_variable(var); +} + +static ir_dereference * +read_array_ref(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 3) { + ir_read_error(st, list, "expected (array_ref <rvalue> <index>)"); + return NULL; + } + + s_expression *subj_expr = (s_expression*) list->subexpressions.head->next; + ir_rvalue *subject = read_rvalue(st, subj_expr); + if (subject == NULL) { + ir_read_error(st, NULL, "when reading the subject of an array_ref"); + return NULL; + } + + s_expression *idx_expr = (s_expression*) subj_expr->next; + ir_rvalue *idx = read_rvalue(st, idx_expr); + return new(ctx) ir_dereference_array(subject, idx); +} + +static ir_dereference * +read_record_ref(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + if (list->length() != 3) { + ir_read_error(st, list, "expected (record_ref <rvalue> <field>)"); + return NULL; + } + + s_expression *subj_expr = (s_expression*) list->subexpressions.head->next; + ir_rvalue *subject = read_rvalue(st, subj_expr); + if (subject == NULL) { + ir_read_error(st, NULL, "when reading the subject of a record_ref"); + return NULL; + } + + s_symbol *field = SX_AS_SYMBOL(subj_expr->next); + if (field == NULL) { + ir_read_error(st, list, "expected (record_ref ... <field name>)"); + return NULL; + } + return new(ctx) ir_dereference_record(subject, field->value()); +} + +static bool +valid_texture_list_length(ir_texture_opcode op, s_list *list) +{ + unsigned required_length = 7; + if (op == ir_txf) + required_length = 5; + else if (op == ir_tex) + required_length = 6; + + return list->length() == required_length; +} + +static ir_texture * +read_texture(_mesa_glsl_parse_state *st, s_list *list) +{ + void *ctx = st; + s_symbol *tag = SX_AS_SYMBOL(list->subexpressions.head); + assert(tag != NULL); + + ir_texture_opcode op = ir_texture::get_opcode(tag->value()); + if (op == (ir_texture_opcode) -1) + return NULL; + + if (!valid_texture_list_length(op, list)) { + ir_read_error(st, NULL, "invalid list size in (%s ...)", tag->value()); + return NULL; + } + + ir_texture *tex = new(ctx) ir_texture(op); + + // Read sampler (must be a deref) + s_expression *sampler_expr = (s_expression *) tag->next; + ir_dereference *sampler = read_dereference(st, sampler_expr); + if (sampler == NULL) { + ir_read_error(st, NULL, "when reading sampler in (%s ...)", tag->value()); + return NULL; + } + tex->set_sampler(sampler); + + // Read coordinate (any rvalue) + s_expression *coordinate_expr = (s_expression *) sampler_expr->next; + tex->coordinate = read_rvalue(st, coordinate_expr); + if (tex->coordinate == NULL) { + ir_read_error(st, NULL, "when reading coordinate in (%s ...)", + tag->value()); + return NULL; + } + + // Read texel offset, i.e. (0 0 0) + s_list *offset_list = SX_AS_LIST(coordinate_expr->next); + if (offset_list == NULL || offset_list->length() != 3) { + ir_read_error(st, offset_list, "expected (<int> <int> <int>)"); + return NULL; + } + s_int *offset_x = SX_AS_INT(offset_list->subexpressions.head); + s_int *offset_y = SX_AS_INT(offset_x->next); + s_int *offset_z = SX_AS_INT(offset_y->next); + if (offset_x == NULL || offset_y == NULL || offset_z == NULL) { + ir_read_error(st, offset_list, "expected (<int> <int> <int>)"); + return NULL; + } + tex->offsets[0] = offset_x->value(); + tex->offsets[1] = offset_y->value(); + tex->offsets[2] = offset_z->value(); + + if (op == ir_txf) { + s_expression *lod_expr = (s_expression *) offset_list->next; + tex->lod_info.lod = read_rvalue(st, lod_expr); + if (tex->lod_info.lod == NULL) { + ir_read_error(st, NULL, "when reading LOD in (txf ...)"); + return NULL; + } + } else { + s_expression *proj_expr = (s_expression *) offset_list->next; + s_int *proj_as_int = SX_AS_INT(proj_expr); + if (proj_as_int && proj_as_int->value() == 1) { + tex->projector = NULL; + } else { + tex->projector = read_rvalue(st, proj_expr); + if (tex->projector == NULL) { + ir_read_error(st, NULL, "when reading projective divide in (%s ..)", + tag->value()); + return NULL; + } + } + + s_list *shadow_list = SX_AS_LIST(proj_expr->next); + if (shadow_list == NULL) { + ir_read_error(st, NULL, "shadow comparitor must be a list"); + return NULL; + } + if (shadow_list->subexpressions.is_empty()) { + tex->shadow_comparitor= NULL; + } else { + tex->shadow_comparitor = read_rvalue(st, shadow_list); + if (tex->shadow_comparitor == NULL) { + ir_read_error(st, NULL, "when reading shadow comparitor in (%s ..)", + tag->value()); + return NULL; + } + } + s_expression *lod_expr = (s_expression *) shadow_list->next; + + switch (op) { + case ir_txb: + tex->lod_info.bias = read_rvalue(st, lod_expr); + if (tex->lod_info.bias == NULL) { + ir_read_error(st, NULL, "when reading LOD bias in (txb ...)"); + return NULL; + } + break; + case ir_txl: + tex->lod_info.lod = read_rvalue(st, lod_expr); + if (tex->lod_info.lod == NULL) { + ir_read_error(st, NULL, "when reading LOD in (txl ...)"); + return NULL; + } + break; + case ir_txd: { + s_list *lod_list = SX_AS_LIST(lod_expr); + if (lod_list->length() != 2) { + ir_read_error(st, lod_expr, "expected (dPdx dPdy) in (txd ...)"); + return NULL; + } + s_expression *dx_expr = (s_expression *) lod_list->subexpressions.head; + s_expression *dy_expr = (s_expression *) dx_expr->next; + + tex->lod_info.grad.dPdx = read_rvalue(st, dx_expr); + if (tex->lod_info.grad.dPdx == NULL) { + ir_read_error(st, NULL, "when reading dPdx in (txd ...)"); + return NULL; + } + tex->lod_info.grad.dPdy = read_rvalue(st, dy_expr); + if (tex->lod_info.grad.dPdy == NULL) { + ir_read_error(st, NULL, "when reading dPdy in (txd ...)"); + return NULL; + } + break; + } + default: + // tex doesn't have any extra parameters and txf was handled earlier. + break; + }; + } + return tex; +} diff --git a/mesalib/src/glsl/ir_reader.h b/mesalib/src/glsl/ir_reader.h new file mode 100644 index 000000000..aef2ca23b --- /dev/null +++ b/mesalib/src/glsl/ir_reader.h @@ -0,0 +1,34 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef IR_READER_H +#define IR_READER_H + +#include "ir.h" + +void _mesa_glsl_read_ir(_mesa_glsl_parse_state *state, exec_list *instructions, + const char *src, bool scan_for_prototypes); + +#endif /* IR_READER_H */ diff --git a/mesalib/src/glsl/ir_rvalue_visitor.cpp b/mesalib/src/glsl/ir_rvalue_visitor.cpp new file mode 100644 index 000000000..773bfcfa3 --- /dev/null +++ b/mesalib/src/glsl/ir_rvalue_visitor.cpp @@ -0,0 +1,141 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_rvalue_visitor.cpp + * + * Generic class to implement the common pattern we have of wanting to + * visit each ir_rvalue * and possibly change that node to a different + * class. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_print_visitor.h" +#include "glsl_types.h" + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_expression *ir) +{ + unsigned int operand; + + for (operand = 0; operand < ir->get_num_operands(); operand++) { + handle_rvalue(&ir->operands[operand]); + } + + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_texture *ir) +{ + handle_rvalue(&ir->coordinate); + handle_rvalue(&ir->projector); + handle_rvalue(&ir->shadow_comparitor); + + switch (ir->op) { + case ir_tex: + break; + case ir_txb: + handle_rvalue(&ir->lod_info.bias); + break; + case ir_txf: + case ir_txl: + handle_rvalue(&ir->lod_info.lod); + break; + case ir_txd: + handle_rvalue(&ir->lod_info.grad.dPdx); + handle_rvalue(&ir->lod_info.grad.dPdy); + break; + } + + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_swizzle *ir) +{ + handle_rvalue(&ir->val); + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_dereference_array *ir) +{ + /* The array index is not the target of the assignment, so clear the + * 'in_assignee' flag. Restore it after returning from the array index. + */ + const bool was_in_assignee = this->in_assignee; + this->in_assignee = false; + handle_rvalue(&ir->array_index); + this->in_assignee = was_in_assignee; + + handle_rvalue(&ir->array); + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_dereference_record *ir) +{ + handle_rvalue(&ir->record); + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_assignment *ir) +{ + handle_rvalue(&ir->rhs); + handle_rvalue(&ir->condition); + + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_call *ir) +{ + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param = (ir_rvalue *)iter.get(); + ir_rvalue *new_param = param; + handle_rvalue(&new_param); + + if (new_param != param) { + param->replace_with(new_param); + } + } + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_return *ir) +{ + handle_rvalue(&ir->value);; + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_if *ir) +{ + handle_rvalue(&ir->condition); + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_rvalue_visitor.h b/mesalib/src/glsl/ir_rvalue_visitor.h new file mode 100644 index 000000000..31a56beb9 --- /dev/null +++ b/mesalib/src/glsl/ir_rvalue_visitor.h @@ -0,0 +1,47 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_rvalue_visitor.h + * + * Generic class to implement the common pattern we have of wanting to + * visit each ir_rvalue * and possibly change that node to a different + * class. Just implement handle_rvalue() and you will be called with + * a pointer to each rvalue in the tree. + */ + +class ir_rvalue_visitor : public ir_hierarchical_visitor { +public: + + virtual ir_visitor_status visit_leave(ir_assignment *); + virtual ir_visitor_status visit_leave(ir_call *); + virtual ir_visitor_status visit_leave(ir_dereference_array *); + virtual ir_visitor_status visit_leave(ir_dereference_record *); + virtual ir_visitor_status visit_leave(ir_expression *); + virtual ir_visitor_status visit_leave(ir_if *); + virtual ir_visitor_status visit_leave(ir_return *); + virtual ir_visitor_status visit_leave(ir_swizzle *); + virtual ir_visitor_status visit_leave(ir_texture *); + + virtual void handle_rvalue(ir_rvalue **rvalue) = 0; +}; diff --git a/mesalib/src/glsl/ir_set_program_inouts.cpp b/mesalib/src/glsl/ir_set_program_inouts.cpp new file mode 100644 index 000000000..b3f1cc0d8 --- /dev/null +++ b/mesalib/src/glsl/ir_set_program_inouts.cpp @@ -0,0 +1,167 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_set_program_inouts.cpp + * + * Sets the InputsRead and OutputsWritten of Mesa programs. + * + * Mesa programs (gl_program, not gl_shader_program) have a set of + * flags indicating which varyings are read and written. Computing + * which are actually read from some sort of backend code can be + * tricky when variable array indexing involved. So this pass + * provides support for setting InputsRead and OutputsWritten right + * from the GLSL IR. + */ + +extern "C" { +#include "main/core.h" /* for struct gl_program */ +#include "program/hash_table.h" +} +#include "ir.h" +#include "ir_visitor.h" +#include "glsl_types.h" + +class ir_set_program_inouts_visitor : public ir_hierarchical_visitor { +public: + ir_set_program_inouts_visitor(struct gl_program *prog) + { + this->prog = prog; + this->ht = hash_table_ctor(0, + hash_table_pointer_hash, + hash_table_pointer_compare); + } + ~ir_set_program_inouts_visitor() + { + hash_table_dtor(this->ht); + } + + virtual ir_visitor_status visit_enter(ir_dereference_array *); + virtual ir_visitor_status visit_enter(ir_function_signature *); + virtual ir_visitor_status visit(ir_dereference_variable *); + virtual ir_visitor_status visit(ir_variable *); + + struct gl_program *prog; + struct hash_table *ht; +}; + +static void +mark(struct gl_program *prog, ir_variable *var, int index) +{ + /* As of GLSL 1.20, varyings can only be floats, floating-point + * vectors or matrices, or arrays of them. For Mesa programs using + * InputsRead/OutputsWritten, everything but matrices uses one + * slot, while matrices use a slot per column. Presumably + * something doing a more clever packing would use something other + * than InputsRead/OutputsWritten. + */ + const glsl_type *element_type; + int element_size; + + if (var->type->is_array()) + element_type = var->type->fields.array; + else + element_type = var->type; + + if (element_type->is_matrix()) + element_size = element_type->matrix_columns; + else + element_size = 1; + + index *= element_size; + for (int i = 0; i < element_size; i++) { + if (var->mode == ir_var_in) + prog->InputsRead |= BITFIELD64_BIT(var->location + index + i); + else + prog->OutputsWritten |= BITFIELD64_BIT(var->location + index + i); + } +} + +/* Default handler: Mark all the locations in the variable as used. */ +ir_visitor_status +ir_set_program_inouts_visitor::visit(ir_dereference_variable *ir) +{ + if (hash_table_find(this->ht, ir->var) == NULL) + return visit_continue; + + if (ir->type->is_array()) { + for (unsigned int i = 0; i < ir->type->length; i++) { + mark(this->prog, ir->var, i); + } + } else { + mark(this->prog, ir->var, 0); + } + + return visit_continue; +} + +ir_visitor_status +ir_set_program_inouts_visitor::visit_enter(ir_dereference_array *ir) +{ + ir_dereference_variable *deref_var; + ir_constant *index = ir->array_index->as_constant(); + deref_var = ir->array->as_dereference_variable(); + ir_variable *var = NULL; + + /* Check that we're dereferencing a shader in or out */ + if (deref_var) + var = (ir_variable *)hash_table_find(this->ht, deref_var->var); + + if (index && var) { + mark(this->prog, var, index->value.i[0]); + return visit_continue_with_parent; + } + + return visit_continue; +} + +ir_visitor_status +ir_set_program_inouts_visitor::visit(ir_variable *ir) +{ + if (ir->mode == ir_var_in || + ir->mode == ir_var_out) { + hash_table_insert(this->ht, ir, ir); + } + + return visit_continue; +} + +ir_visitor_status +ir_set_program_inouts_visitor::visit_enter(ir_function_signature *ir) +{ + /* We don't want to descend into the function parameters and + * consider them as shader inputs or outputs. + */ + visit_list_elements(this, &ir->body); + return visit_continue_with_parent; +} + +void +do_set_program_inouts(exec_list *instructions, struct gl_program *prog) +{ + ir_set_program_inouts_visitor v(prog); + + prog->InputsRead = 0; + prog->OutputsWritten = 0; + visit_list_elements(&v, instructions); +} diff --git a/mesalib/src/glsl/ir_structure_splitting.cpp b/mesalib/src/glsl/ir_structure_splitting.cpp new file mode 100644 index 000000000..ff3ec936e --- /dev/null +++ b/mesalib/src/glsl/ir_structure_splitting.cpp @@ -0,0 +1,361 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_structure_splitting.cpp + * + * If a structure is only ever referenced by its components, then + * split those components out to individual variables so they can be + * handled normally by other optimization passes. + * + * This skips structures like uniforms, which need to be accessible as + * structures for their access by the GL. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_print_visitor.h" +#include "ir_rvalue_visitor.h" +#include "glsl_types.h" + +static bool debug = false; + +// XXX using variable_entry2 here to avoid collision (MSVC multiply-defined +// function) with the variable_entry class seen in ir_variable_refcount.h +// Perhaps we can use the one in ir_variable_refcount.h and make this class +// here go away? +class variable_entry2 : public exec_node +{ +public: + variable_entry2(ir_variable *var) + { + this->var = var; + this->whole_structure_access = 0; + this->declaration = false; + this->components = NULL; + this->mem_ctx = NULL; + } + + ir_variable *var; /* The key: the variable's pointer. */ + + /** Number of times the variable is referenced, including assignments. */ + unsigned whole_structure_access; + + bool declaration; /* If the variable had a decl in the instruction stream */ + + ir_variable **components; + + /** talloc_parent(this->var) -- the shader's talloc context. */ + void *mem_ctx; +}; + + +class ir_structure_reference_visitor : public ir_hierarchical_visitor { +public: + ir_structure_reference_visitor(void) + { + this->mem_ctx = talloc_new(NULL); + this->variable_list.make_empty(); + } + + ~ir_structure_reference_visitor(void) + { + talloc_free(mem_ctx); + } + + virtual ir_visitor_status visit(ir_variable *); + virtual ir_visitor_status visit(ir_dereference_variable *); + virtual ir_visitor_status visit_enter(ir_dereference_record *); + virtual ir_visitor_status visit_enter(ir_assignment *); + virtual ir_visitor_status visit_enter(ir_function_signature *); + + variable_entry2 *get_variable_entry2(ir_variable *var); + + /* List of variable_entry */ + exec_list variable_list; + + void *mem_ctx; +}; + +variable_entry2 * +ir_structure_reference_visitor::get_variable_entry2(ir_variable *var) +{ + assert(var); + + if (!var->type->is_record() || var->mode == ir_var_uniform) + return NULL; + + foreach_iter(exec_list_iterator, iter, this->variable_list) { + variable_entry2 *entry = (variable_entry2 *)iter.get(); + if (entry->var == var) + return entry; + } + + variable_entry2 *entry = new(mem_ctx) variable_entry2(var); + this->variable_list.push_tail(entry); + return entry; +} + + +ir_visitor_status +ir_structure_reference_visitor::visit(ir_variable *ir) +{ + variable_entry2 *entry = this->get_variable_entry2(ir); + + if (entry) + entry->declaration = true; + + return visit_continue; +} + +ir_visitor_status +ir_structure_reference_visitor::visit(ir_dereference_variable *ir) +{ + ir_variable *const var = ir->variable_referenced(); + variable_entry2 *entry = this->get_variable_entry2(var); + + if (entry) + entry->whole_structure_access++; + + return visit_continue; +} + +ir_visitor_status +ir_structure_reference_visitor::visit_enter(ir_dereference_record *ir) +{ + (void) ir; + /* Don't descend into the ir_dereference_variable below. */ + return visit_continue_with_parent; +} + +ir_visitor_status +ir_structure_reference_visitor::visit_enter(ir_assignment *ir) +{ + if (ir->lhs->as_dereference_variable() && + ir->rhs->as_dereference_variable() && + !ir->condition) { + /* We'll split copies of a structure to copies of components, so don't + * descend to the ir_dereference_variables. + */ + return visit_continue_with_parent; + } + return visit_continue; +} + +ir_visitor_status +ir_structure_reference_visitor::visit_enter(ir_function_signature *ir) +{ + /* We don't want to descend into the function parameters and + * dead-code eliminate them, so just accept the body here. + */ + visit_list_elements(this, &ir->body); + return visit_continue_with_parent; +} + +class ir_structure_splitting_visitor : public ir_rvalue_visitor { +public: + ir_structure_splitting_visitor(exec_list *vars) + { + this->variable_list = vars; + } + + virtual ~ir_structure_splitting_visitor() + { + } + + virtual ir_visitor_status visit_leave(ir_assignment *); + + void split_deref(ir_dereference **deref); + void handle_rvalue(ir_rvalue **rvalue); + variable_entry2 *get_splitting_entry(ir_variable *var); + + exec_list *variable_list; + void *mem_ctx; +}; + +variable_entry2 * +ir_structure_splitting_visitor::get_splitting_entry(ir_variable *var) +{ + assert(var); + + if (!var->type->is_record()) + return NULL; + + foreach_iter(exec_list_iterator, iter, *this->variable_list) { + variable_entry2 *entry = (variable_entry2 *)iter.get(); + if (entry->var == var) { + return entry; + } + } + + return NULL; +} + +void +ir_structure_splitting_visitor::split_deref(ir_dereference **deref) +{ + if ((*deref)->ir_type != ir_type_dereference_record) + return; + + ir_dereference_record *deref_record = (ir_dereference_record *)*deref; + ir_dereference_variable *deref_var = deref_record->record->as_dereference_variable(); + if (!deref_var) + return; + + variable_entry2 *entry = get_splitting_entry(deref_var->var); + if (!entry) + return; + + unsigned int i; + for (i = 0; i < entry->var->type->length; i++) { + if (strcmp(deref_record->field, + entry->var->type->fields.structure[i].name) == 0) + break; + } + assert(i != entry->var->type->length); + + *deref = new(entry->mem_ctx) ir_dereference_variable(entry->components[i]); +} + +void +ir_structure_splitting_visitor::handle_rvalue(ir_rvalue **rvalue) +{ + if (!*rvalue) + return; + + ir_dereference *deref = (*rvalue)->as_dereference(); + + if (!deref) + return; + + split_deref(&deref); + *rvalue = deref; +} + +ir_visitor_status +ir_structure_splitting_visitor::visit_leave(ir_assignment *ir) +{ + ir_dereference_variable *lhs_deref = ir->lhs->as_dereference_variable(); + ir_dereference_variable *rhs_deref = ir->rhs->as_dereference_variable(); + variable_entry2 *lhs_entry = lhs_deref ? get_splitting_entry(lhs_deref->var) : NULL; + variable_entry2 *rhs_entry = rhs_deref ? get_splitting_entry(rhs_deref->var) : NULL; + const glsl_type *type = ir->rhs->type; + + if ((lhs_entry || rhs_entry) && !ir->condition) { + for (unsigned int i = 0; i < type->length; i++) { + ir_dereference *new_lhs, *new_rhs; + void *mem_ctx = lhs_entry ? lhs_entry->mem_ctx : rhs_entry->mem_ctx; + + if (lhs_entry) { + new_lhs = new(mem_ctx) ir_dereference_variable(lhs_entry->components[i]); + } else { + new_lhs = new(mem_ctx) + ir_dereference_record(ir->lhs->clone(mem_ctx, NULL), + type->fields.structure[i].name); + } + + if (rhs_entry) { + new_rhs = new(mem_ctx) ir_dereference_variable(rhs_entry->components[i]); + } else { + new_rhs = new(mem_ctx) + ir_dereference_record(ir->rhs->clone(mem_ctx, NULL), + type->fields.structure[i].name); + } + + ir->insert_before(new(mem_ctx) ir_assignment(new_lhs, + new_rhs, + NULL)); + } + ir->remove(); + } else { + handle_rvalue(&ir->rhs); + split_deref(&ir->lhs); + } + + handle_rvalue(&ir->condition); + + return visit_continue; +} + +bool +do_structure_splitting(exec_list *instructions) +{ + ir_structure_reference_visitor refs; + + visit_list_elements(&refs, instructions); + + /* Trim out variables we can't split. */ + foreach_iter(exec_list_iterator, iter, refs.variable_list) { + variable_entry2 *entry = (variable_entry2 *)iter.get(); + + if (debug) { + printf("structure %s@%p: decl %d, whole_access %d\n", + entry->var->name, (void *) entry->var, entry->declaration, + entry->whole_structure_access); + } + + if (!entry->declaration || entry->whole_structure_access) { + entry->remove(); + } + } + + if (refs.variable_list.is_empty()) + return false; + + void *mem_ctx = talloc_new(NULL); + + /* Replace the decls of the structures to be split with their split + * components. + */ + foreach_iter(exec_list_iterator, iter, refs.variable_list) { + variable_entry2 *entry = (variable_entry2 *)iter.get(); + const struct glsl_type *type = entry->var->type; + + entry->mem_ctx = talloc_parent(entry->var); + + entry->components = talloc_array(mem_ctx, + ir_variable *, + type->length); + + for (unsigned int i = 0; i < entry->var->type->length; i++) { + const char *name = talloc_asprintf(mem_ctx, "%s_%s", + entry->var->name, + type->fields.structure[i].name); + + entry->components[i] = + new(entry->mem_ctx) ir_variable(type->fields.structure[i].type, + name, + ir_var_temporary); + entry->var->insert_before(entry->components[i]); + } + + entry->var->remove(); + } + + ir_structure_splitting_visitor split(&refs.variable_list); + visit_list_elements(&split, instructions); + + talloc_free(mem_ctx); + + return true; +} diff --git a/mesalib/src/glsl/ir_sub_to_add_neg.cpp b/mesalib/src/glsl/ir_sub_to_add_neg.cpp new file mode 100644 index 000000000..7ed8c1495 --- /dev/null +++ b/mesalib/src/glsl/ir_sub_to_add_neg.cpp @@ -0,0 +1,76 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_sub_to_add_neg.cpp + * + * Breaks an ir_binop_sub expression down to add(op0, neg(op1)) + * + * This simplifies expression reassociation, and for many backends + * there is no subtract operation separate from adding the negation. + * For backends with native subtract operations, they will probably + * want to recognize add(op0, neg(op1)) or the other way around to + * produce a subtract anyway. + */ + +#include "ir.h" + +class ir_sub_to_add_neg_visitor : public ir_hierarchical_visitor { +public: + ir_sub_to_add_neg_visitor() + { + this->progress = false; + } + + ir_visitor_status visit_leave(ir_expression *); + + bool progress; +}; + +bool +do_sub_to_add_neg(exec_list *instructions) +{ + ir_sub_to_add_neg_visitor v; + + visit_list_elements(&v, instructions); + return v.progress; +} + +ir_visitor_status +ir_sub_to_add_neg_visitor::visit_leave(ir_expression *ir) +{ + if (ir->operation != ir_binop_sub) + return visit_continue; + + void *mem_ctx = talloc_parent(ir); + + ir->operation = ir_binop_add; + ir->operands[1] = new(mem_ctx) ir_expression(ir_unop_neg, + ir->operands[1]->type, + ir->operands[1], + NULL); + + this->progress = true; + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_swizzle_swizzle.cpp b/mesalib/src/glsl/ir_swizzle_swizzle.cpp new file mode 100644 index 000000000..0ffb4fa31 --- /dev/null +++ b/mesalib/src/glsl/ir_swizzle_swizzle.cpp @@ -0,0 +1,93 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_swizzle_swizzle.cpp + * + * Eliminates the second swizzle in a swizzle chain. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +class ir_swizzle_swizzle_visitor : public ir_hierarchical_visitor { +public: + ir_swizzle_swizzle_visitor() + { + progress = false; + } + + virtual ir_visitor_status visit_enter(ir_swizzle *); + + bool progress; +}; + +ir_visitor_status +ir_swizzle_swizzle_visitor::visit_enter(ir_swizzle *ir) +{ + int mask2[4]; + + ir_swizzle *swiz2 = ir->val->as_swizzle(); + if (!swiz2) + return visit_continue; + + memset(&mask2, 0, sizeof(mask2)); + if (swiz2->mask.num_components >= 1) + mask2[0] = swiz2->mask.x; + if (swiz2->mask.num_components >= 2) + mask2[1] = swiz2->mask.y; + if (swiz2->mask.num_components >= 3) + mask2[2] = swiz2->mask.z; + if (swiz2->mask.num_components >= 4) + mask2[3] = swiz2->mask.w; + + if (ir->mask.num_components >= 1) + ir->mask.x = mask2[ir->mask.x]; + if (ir->mask.num_components >= 2) + ir->mask.y = mask2[ir->mask.y]; + if (ir->mask.num_components >= 3) + ir->mask.z = mask2[ir->mask.z]; + if (ir->mask.num_components >= 4) + ir->mask.w = mask2[ir->mask.w]; + + ir->val = swiz2->val; + + this->progress = true; + + return visit_continue; +} + +/** + * Does a copy propagation pass on the code present in the instruction stream. + */ +bool +do_swizzle_swizzle(exec_list *instructions) +{ + ir_swizzle_swizzle_visitor v; + + v.run(instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_tree_grafting.cpp b/mesalib/src/glsl/ir_tree_grafting.cpp new file mode 100644 index 000000000..9b569b828 --- /dev/null +++ b/mesalib/src/glsl/ir_tree_grafting.cpp @@ -0,0 +1,367 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_tree_grafting.cpp + * + * Takes assignments to variables that are dereferenced only once and + * pastes the RHS expression into where the variable is dereferenced. + * + * In the process of various operations like function inlining and + * tertiary op handling, we'll end up with our expression trees having + * been chopped up into a series of assignments of short expressions + * to temps. Other passes like ir_algebraic.cpp would prefer to see + * the deepest expression trees they can to try to optimize them. + * + * This is a lot like copy propagaton. In comparison, copy + * propagation only acts on plain copies, not arbitrary expressions on + * the RHS. Generally, we wouldn't want to go pasting some + * complicated expression everywhere it got used, though, so we don't + * handle expressions in that pass. + * + * The hard part is making sure we don't move an expression across + * some other assignments that would change the value of the + * expression. So we split this into two passes: First, find the + * variables in our scope which are written to once and read once, and + * then go through basic blocks seeing if we find an opportunity to + * move those expressions safely. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_variable_refcount.h" +#include "ir_basic_block.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +static bool debug = false; + +class ir_tree_grafting_visitor : public ir_hierarchical_visitor { +public: + ir_tree_grafting_visitor(ir_assignment *graft_assign, + ir_variable *graft_var) + { + this->progress = false; + this->graft_assign = graft_assign; + this->graft_var = graft_var; + } + + virtual ir_visitor_status visit_leave(class ir_assignment *); + virtual ir_visitor_status visit_enter(class ir_call *); + virtual ir_visitor_status visit_enter(class ir_expression *); + virtual ir_visitor_status visit_enter(class ir_function *); + virtual ir_visitor_status visit_enter(class ir_function_signature *); + virtual ir_visitor_status visit_enter(class ir_if *); + virtual ir_visitor_status visit_enter(class ir_loop *); + virtual ir_visitor_status visit_enter(class ir_swizzle *); + virtual ir_visitor_status visit_enter(class ir_texture *); + + bool do_graft(ir_rvalue **rvalue); + + bool progress; + ir_variable *graft_var; + ir_assignment *graft_assign; +}; + +struct find_deref_info { + ir_variable *var; + bool found; +}; + +void +dereferences_variable_callback(ir_instruction *ir, void *data) +{ + struct find_deref_info *info = (struct find_deref_info *)data; + ir_dereference_variable *deref = ir->as_dereference_variable(); + + if (deref && deref->var == info->var) + info->found = true; +} + +static bool +dereferences_variable(ir_instruction *ir, ir_variable *var) +{ + struct find_deref_info info; + + info.var = var; + info.found = false; + + visit_tree(ir, dereferences_variable_callback, &info); + + return info.found; +} + +bool +ir_tree_grafting_visitor::do_graft(ir_rvalue **rvalue) +{ + if (!*rvalue) + return false; + + ir_dereference_variable *deref = (*rvalue)->as_dereference_variable(); + + if (!deref || deref->var != this->graft_var) + return false; + + if (debug) { + printf("GRAFTING:\n"); + this->graft_assign->print(); + printf("\n"); + printf("TO:\n"); + (*rvalue)->print(); + printf("\n"); + } + + this->graft_assign->remove(); + *rvalue = this->graft_assign->rhs; + + this->progress = true; + return true; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_loop *ir) +{ + (void)ir; + /* Do not traverse into the body of the loop since that is a + * different basic block. + */ + return visit_stop; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_leave(ir_assignment *ir) +{ + if (do_graft(&ir->rhs) || + do_graft(&ir->condition)) + return visit_stop; + + /* If this assignment updates a variable used in the assignment + * we're trying to graft, then we're done. + */ + if (dereferences_variable(this->graft_assign->rhs, + ir->lhs->variable_referenced())) { + if (debug) { + printf("graft killed by: "); + ir->print(); + printf("\n"); + } + return visit_stop; + } + + return visit_continue; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_function *ir) +{ + (void) ir; + return visit_continue_with_parent; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_function_signature *ir) +{ + (void)ir; + return visit_continue_with_parent; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_call *ir) +{ + exec_list_iterator sig_iter = ir->get_callee()->parameters.iterator(); + /* Reminder: iterating ir_call iterates its parameters. */ + foreach_iter(exec_list_iterator, iter, *ir) { + ir_variable *sig_param = (ir_variable *)sig_iter.get(); + ir_rvalue *ir = (ir_rvalue *)iter.get(); + ir_rvalue *new_ir = ir; + + if (sig_param->mode != ir_var_in) + continue; + + if (do_graft(&new_ir)) { + ir->replace_with(new_ir); + return visit_stop; + } + sig_iter.next(); + } + + return visit_continue; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_expression *ir) +{ + for (unsigned int i = 0; i < ir->get_num_operands(); i++) { + if (do_graft(&ir->operands[i])) + return visit_stop; + } + + return visit_continue; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_if *ir) +{ + if (do_graft(&ir->condition)) + return visit_stop; + + /* Do not traverse into the body of the if-statement since that is a + * different basic block. + */ + return visit_continue_with_parent; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_swizzle *ir) +{ + if (do_graft(&ir->val)) + return visit_stop; + + return visit_continue; +} + +ir_visitor_status +ir_tree_grafting_visitor::visit_enter(ir_texture *ir) +{ + if (do_graft(&ir->coordinate) || + do_graft(&ir->projector) || + do_graft(&ir->shadow_comparitor)) + return visit_stop; + + switch (ir->op) { + case ir_tex: + break; + case ir_txb: + if (do_graft(&ir->lod_info.bias)) + return visit_stop; + break; + case ir_txf: + case ir_txl: + if (do_graft(&ir->lod_info.lod)) + return visit_stop; + break; + case ir_txd: + if (do_graft(&ir->lod_info.grad.dPdx) || + do_graft(&ir->lod_info.grad.dPdy)) + return visit_stop; + break; + } + + return visit_continue; +} + +struct tree_grafting_info { + ir_variable_refcount_visitor *refs; + bool progress; +}; + +static bool +try_tree_grafting(ir_assignment *start, + ir_variable *lhs_var, + ir_instruction *bb_last) +{ + ir_tree_grafting_visitor v(start, lhs_var); + + if (debug) { + printf("trying to graft: "); + lhs_var->print(); + printf("\n"); + } + + for (ir_instruction *ir = (ir_instruction *)start->next; + ir != bb_last->next; + ir = (ir_instruction *)ir->next) { + + if (debug) { + printf("- "); + ir->print(); + printf("\n"); + } + + ir_visitor_status s = ir->accept(&v); + if (s == visit_stop) + return v.progress; + } + + return false; +} + +static void +tree_grafting_basic_block(ir_instruction *bb_first, + ir_instruction *bb_last, + void *data) +{ + struct tree_grafting_info *info = (struct tree_grafting_info *)data; + ir_instruction *ir, *next; + + for (ir = bb_first, next = (ir_instruction *)ir->next; + ir != bb_last->next; + ir = next, next = (ir_instruction *)ir->next) { + ir_assignment *assign = ir->as_assignment(); + + if (!assign) + continue; + + ir_variable *lhs_var = assign->whole_variable_written(); + if (!lhs_var) + continue; + + if (lhs_var->mode == ir_var_out || + lhs_var->mode == ir_var_inout) + continue; + + variable_entry *entry = info->refs->get_variable_entry(lhs_var); + + if (!entry->declaration || + entry->assigned_count != 1 || + entry->referenced_count != 2) + continue; + + assert(assign == entry->assign); + + /* Found a possibly graftable assignment. Now, walk through the + * rest of the BB seeing if the deref is here, and if nothing interfered with + * pasting its expression's values in between. + */ + info->progress |= try_tree_grafting(assign, lhs_var, bb_last); + } +} + +/** + * Does a copy propagation pass on the code present in the instruction stream. + */ +bool +do_tree_grafting(exec_list *instructions) +{ + ir_variable_refcount_visitor refs; + struct tree_grafting_info info; + + info.progress = false; + info.refs = &refs; + + visit_list_elements(info.refs, instructions); + + call_for_basic_blocks(instructions, tree_grafting_basic_block, &info); + + return info.progress; +} diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp new file mode 100644 index 000000000..e35514aa6 --- /dev/null +++ b/mesalib/src/glsl/ir_validate.cpp @@ -0,0 +1,452 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_validate.cpp + * + * Attempts to verify that various invariants of the IR tree are true. + * + * In particular, at the moment it makes sure that no single + * ir_instruction node except for ir_variable appears multiple times + * in the ir tree. ir_variable does appear multiple times: Once as a + * declaration in an exec_list, and multiple times as the endpoint of + * a dereference chain. + */ + +#include <inttypes.h> +#include "ir.h" +#include "ir_hierarchical_visitor.h" +#include "program/hash_table.h" +#include "glsl_types.h" + +class ir_validate : public ir_hierarchical_visitor { +public: + ir_validate() + { + this->ht = hash_table_ctor(0, hash_table_pointer_hash, + hash_table_pointer_compare); + + this->current_function = NULL; + + this->callback = ir_validate::validate_ir; + this->data = ht; + } + + ~ir_validate() + { + hash_table_dtor(this->ht); + } + + virtual ir_visitor_status visit(ir_variable *v); + virtual ir_visitor_status visit(ir_dereference_variable *ir); + virtual ir_visitor_status visit(ir_if *ir); + + virtual ir_visitor_status visit_leave(ir_loop *ir); + virtual ir_visitor_status visit_enter(ir_function *ir); + virtual ir_visitor_status visit_leave(ir_function *ir); + virtual ir_visitor_status visit_enter(ir_function_signature *ir); + + virtual ir_visitor_status visit_leave(ir_expression *ir); + + virtual ir_visitor_status visit_enter(ir_assignment *ir); + + static void validate_ir(ir_instruction *ir, void *data); + + ir_function *current_function; + + struct hash_table *ht; +}; + + +ir_visitor_status +ir_validate::visit(ir_dereference_variable *ir) +{ + if ((ir->var == NULL) || (ir->var->as_variable() == NULL)) { + printf("ir_dereference_variable @ %p does not specify a variable %p\n", + (void *) ir, (void *) ir->var); + abort(); + } + + if (hash_table_find(ht, ir->var) == NULL) { + printf("ir_dereference_variable @ %p specifies undeclared variable " + "`%s' @ %p\n", + (void *) ir, ir->var->name, (void *) ir->var); + abort(); + } + + this->validate_ir(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_validate::visit(ir_if *ir) +{ + if (ir->condition->type != glsl_type::bool_type) { + printf("ir_if condition %s type instead of bool.\n", + ir->condition->type->name); + ir->print(); + printf("\n"); + abort(); + } + + return visit_continue; +} + + +ir_visitor_status +ir_validate::visit_leave(ir_loop *ir) +{ + if (ir->counter != NULL) { + if ((ir->from == NULL) || (ir->from == NULL) || (ir->increment == NULL)) { + printf("ir_loop has invalid loop controls:\n" + " counter: %p\n" + " from: %p\n" + " to: %p\n" + " increment: %p\n", + (void *) ir->counter, (void *) ir->from, (void *) ir->to, + (void *) ir->increment); + abort(); + } + + if ((ir->cmp < ir_binop_less) || (ir->cmp > ir_binop_nequal)) { + printf("ir_loop has invalid comparitor %d\n", ir->cmp); + abort(); + } + } else { + if ((ir->from != NULL) || (ir->from != NULL) || (ir->increment != NULL)) { + printf("ir_loop has invalid loop controls:\n" + " counter: %p\n" + " from: %p\n" + " to: %p\n" + " increment: %p\n", + (void *) ir->counter, (void *) ir->from, (void *) ir->to, + (void *) ir->increment); + abort(); + } + } + + return visit_continue; +} + + +ir_visitor_status +ir_validate::visit_enter(ir_function *ir) +{ + /* Function definitions cannot be nested. + */ + if (this->current_function != NULL) { + printf("Function definition nested inside another function " + "definition:\n"); + printf("%s %p inside %s %p\n", + ir->name, (void *) ir, + this->current_function->name, (void *) this->current_function); + abort(); + } + + /* Store the current function hierarchy being traversed. This is used + * by the function signature visitor to ensure that the signatures are + * linked with the correct functions. + */ + this->current_function = ir; + + this->validate_ir(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_validate::visit_leave(ir_function *ir) +{ + assert(talloc_parent(ir->name) == ir); + + this->current_function = NULL; + return visit_continue; +} + +ir_visitor_status +ir_validate::visit_enter(ir_function_signature *ir) +{ + if (this->current_function != ir->function()) { + printf("Function signature nested inside wrong function " + "definition:\n"); + printf("%p inside %s %p instead of %s %p\n", + (void *) ir, + this->current_function->name, (void *) this->current_function, + ir->function_name(), (void *) ir->function()); + abort(); + } + + this->validate_ir(ir, this->data); + + return visit_continue; +} + +ir_visitor_status +ir_validate::visit_leave(ir_expression *ir) +{ + switch (ir->operation) { + case ir_unop_bit_not: + assert(ir->operands[0]->type == ir->type); + break; + case ir_unop_logic_not: + assert(ir->type->base_type == GLSL_TYPE_BOOL); + assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL); + break; + + case ir_unop_neg: + case ir_unop_abs: + case ir_unop_sign: + case ir_unop_rcp: + case ir_unop_rsq: + case ir_unop_sqrt: + assert(ir->type == ir->operands[0]->type); + break; + + case ir_unop_exp: + case ir_unop_log: + case ir_unop_exp2: + case ir_unop_log2: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT); + assert(ir->type == ir->operands[0]->type); + break; + + case ir_unop_f2i: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT); + assert(ir->type->base_type == GLSL_TYPE_INT); + break; + case ir_unop_i2f: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT); + assert(ir->type->base_type == GLSL_TYPE_FLOAT); + break; + case ir_unop_f2b: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT); + assert(ir->type->base_type == GLSL_TYPE_BOOL); + break; + case ir_unop_b2f: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL); + assert(ir->type->base_type == GLSL_TYPE_FLOAT); + break; + case ir_unop_i2b: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT); + assert(ir->type->base_type == GLSL_TYPE_BOOL); + break; + case ir_unop_b2i: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL); + assert(ir->type->base_type == GLSL_TYPE_INT); + break; + case ir_unop_u2f: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT); + assert(ir->type->base_type == GLSL_TYPE_FLOAT); + break; + + case ir_unop_any: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL); + assert(ir->type == glsl_type::bool_type); + break; + + case ir_unop_trunc: + case ir_unop_ceil: + case ir_unop_floor: + case ir_unop_fract: + case ir_unop_sin: + case ir_unop_cos: + case ir_unop_dFdx: + case ir_unop_dFdy: + assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT); + assert(ir->operands[0]->type == ir->type); + break; + + case ir_unop_noise: + /* XXX what can we assert here? */ + break; + + case ir_binop_add: + case ir_binop_sub: + case ir_binop_mul: + case ir_binop_div: + case ir_binop_mod: + case ir_binop_min: + case ir_binop_max: + case ir_binop_pow: + if (ir->operands[0]->type->is_scalar()) + assert(ir->operands[1]->type == ir->type); + else if (ir->operands[1]->type->is_scalar()) + assert(ir->operands[0]->type == ir->type); + else if (ir->operands[0]->type->is_vector() && + ir->operands[1]->type->is_vector()) { + assert(ir->operands[0]->type == ir->operands[1]->type); + assert(ir->operands[0]->type == ir->type); + } + break; + + case ir_binop_less: + case ir_binop_greater: + case ir_binop_lequal: + case ir_binop_gequal: + case ir_binop_equal: + case ir_binop_nequal: + /* The semantics of the IR operators differ from the GLSL <, >, <=, >=, + * ==, and != operators. The IR operators perform a component-wise + * comparison on scalar or vector types and return a boolean scalar or + * vector type of the same size. + */ + assert(ir->type->base_type == GLSL_TYPE_BOOL); + assert(ir->operands[0]->type == ir->operands[1]->type); + assert(ir->operands[0]->type->is_vector() + || ir->operands[0]->type->is_scalar()); + assert(ir->operands[0]->type->vector_elements + == ir->type->vector_elements); + break; + + case ir_binop_all_equal: + case ir_binop_any_nequal: + /* GLSL == and != operate on scalars, vectors, matrices and arrays, and + * return a scalar boolean. The IR matches that. + */ + assert(ir->type == glsl_type::bool_type); + assert(ir->operands[0]->type == ir->operands[1]->type); + break; + + case ir_binop_lshift: + case ir_binop_rshift: + case ir_binop_bit_and: + case ir_binop_bit_xor: + case ir_binop_bit_or: + assert(ir->operands[0]->type == ir->operands[1]->type); + assert(ir->type == ir->operands[0]->type); + assert(ir->type->base_type == GLSL_TYPE_INT || + ir->type->base_type == GLSL_TYPE_UINT); + break; + + case ir_binop_logic_and: + case ir_binop_logic_xor: + case ir_binop_logic_or: + assert(ir->type == glsl_type::bool_type); + assert(ir->operands[0]->type == glsl_type::bool_type); + assert(ir->operands[1]->type == glsl_type::bool_type); + break; + + case ir_binop_dot: + assert(ir->type == glsl_type::float_type); + assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT); + assert(ir->operands[0]->type->is_vector()); + assert(ir->operands[0]->type == ir->operands[1]->type); + break; + + case ir_binop_cross: + assert(ir->operands[0]->type == glsl_type::vec3_type); + assert(ir->operands[1]->type == glsl_type::vec3_type); + assert(ir->type == glsl_type::vec3_type); + break; + } + + return visit_continue; +} + +ir_visitor_status +ir_validate::visit(ir_variable *ir) +{ + /* An ir_variable is the one thing that can (and will) appear multiple times + * in an IR tree. It is added to the hashtable so that it can be used + * in the ir_dereference_variable handler to ensure that a variable is + * declared before it is dereferenced. + */ + if (ir->name) + assert(talloc_parent(ir->name) == ir); + + hash_table_insert(ht, ir, ir); + return visit_continue; +} + +ir_visitor_status +ir_validate::visit_enter(ir_assignment *ir) +{ + const ir_dereference *const lhs = ir->lhs; + if (lhs->type->is_scalar() || lhs->type->is_vector()) { + if (ir->write_mask == 0) { + printf("Assignment LHS is %s, but write mask is 0:\n", + lhs->type->is_scalar() ? "scalar" : "vector"); + ir->print(); + abort(); + } + + int lhs_components = 0; + for (int i = 0; i < 4; i++) { + if (ir->write_mask & (1 << i)) + lhs_components++; + } + + if (lhs_components != ir->rhs->type->vector_elements) { + printf("Assignment count of LHS write mask channels enabled not\n" + "matching RHS vector size (%d LHS, %d RHS).\n", + lhs_components, ir->rhs->type->vector_elements); + ir->print(); + abort(); + } + } + + this->validate_ir(ir, this->data); + + return visit_continue; +} + +void +ir_validate::validate_ir(ir_instruction *ir, void *data) +{ + struct hash_table *ht = (struct hash_table *) data; + + if (hash_table_find(ht, ir)) { + printf("Instruction node present twice in ir tree:\n"); + ir->print(); + printf("\n"); + abort(); + } + hash_table_insert(ht, ir, ir); +} + +void +check_node_type(ir_instruction *ir, void *data) +{ + (void) data; + + if (ir->ir_type <= ir_type_unset || ir->ir_type >= ir_type_max) { + printf("Instruction node with unset type\n"); + ir->print(); printf("\n"); + } + assert(ir->type != glsl_type::error_type); +} + +void +validate_ir_tree(exec_list *instructions) +{ + ir_validate v; + + v.run(instructions); + + foreach_iter(exec_list_iterator, iter, *instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + + visit_tree(ir, check_node_type, NULL); + } +} diff --git a/mesalib/src/glsl/ir_variable.cpp b/mesalib/src/glsl/ir_variable.cpp new file mode 100644 index 000000000..1eff740ef --- /dev/null +++ b/mesalib/src/glsl/ir_variable.cpp @@ -0,0 +1,493 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "ir.h" +#include "glsl_parser_extras.h" +#include "glsl_symbol_table.h" +#include "builtin_variables.h" + +static void generate_ARB_draw_buffers_variables(exec_list *, + struct _mesa_glsl_parse_state *, + bool, _mesa_glsl_parser_targets); + +static ir_variable * +add_variable(const char *name, enum ir_variable_mode mode, int slot, + const glsl_type *type, exec_list *instructions, + glsl_symbol_table *symtab) +{ + ir_variable *var = new(symtab) ir_variable(type, name, mode); + + switch (var->mode) { + case ir_var_auto: + case ir_var_in: + case ir_var_uniform: + var->read_only = true; + break; + case ir_var_inout: + case ir_var_out: + break; + default: + assert(0); + break; + } + + var->location = slot; + + /* Once the variable is created an initialized, add it to the symbol table + * and add the declaration to the IR stream. + */ + instructions->push_tail(var); + + symtab->add_variable(var->name, var); + return var; +} + +static ir_variable * +add_uniform(exec_list *instructions, + struct _mesa_glsl_parse_state *state, + const char *name, const glsl_type *type) +{ + return add_variable(name, ir_var_uniform, -1, type, instructions, + state->symbols); +} + +static void +add_builtin_variable(const builtin_variable *proto, exec_list *instructions, + glsl_symbol_table *symtab) +{ + /* Create a new variable declaration from the description supplied by + * the caller. + */ + const glsl_type *const type = symtab->get_type(proto->type); + + assert(type != NULL); + + add_variable(proto->name, proto->mode, proto->slot, type, instructions, + symtab); +} + +static void +add_builtin_constant(exec_list *instructions, + struct _mesa_glsl_parse_state *state, + const char *name, int value) +{ + ir_variable *const var = add_variable(name, ir_var_auto, + -1, glsl_type::int_type, + instructions, state->symbols); + var->constant_value = new(var) ir_constant(value); +} + +/* Several constants in GLSL ES have different names than normal desktop GLSL. + * Therefore, this function should only be called on the ES path. + */ +static void +generate_100ES_uniforms(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + add_builtin_constant(instructions, state, "gl_MaxVertexAttribs", + state->Const.MaxVertexAttribs); + add_builtin_constant(instructions, state, "gl_MaxVertexUniformVectors", + state->Const.MaxVertexUniformComponents); + add_builtin_constant(instructions, state, "gl_MaxVaryingVectors", + state->Const.MaxVaryingFloats / 4); + add_builtin_constant(instructions, state, "gl_MaxVertexTextureImageUnits", + state->Const.MaxVertexTextureImageUnits); + add_builtin_constant(instructions, state, "gl_MaxCombinedTextureImageUnits", + state->Const.MaxCombinedTextureImageUnits); + add_builtin_constant(instructions, state, "gl_MaxTextureImageUnits", + state->Const.MaxTextureImageUnits); + add_builtin_constant(instructions, state, "gl_MaxFragmentUniformVectors", + state->Const.MaxFragmentUniformComponents); + + add_uniform(instructions, state, "gl_DepthRange", + state->symbols->get_type("gl_DepthRangeParameters")); +} + +static void +generate_110_uniforms(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + for (unsigned i = 0 + ; i < Elements(builtin_110_deprecated_uniforms) + ; i++) { + add_builtin_variable(& builtin_110_deprecated_uniforms[i], + instructions, state->symbols); + } + + add_builtin_constant(instructions, state, "gl_MaxLights", + state->Const.MaxLights); + add_builtin_constant(instructions, state, "gl_MaxClipPlanes", + state->Const.MaxClipPlanes); + add_builtin_constant(instructions, state, "gl_MaxTextureUnits", + state->Const.MaxTextureUnits); + add_builtin_constant(instructions, state, "gl_MaxTextureCoords", + state->Const.MaxTextureCoords); + add_builtin_constant(instructions, state, "gl_MaxVertexAttribs", + state->Const.MaxVertexAttribs); + add_builtin_constant(instructions, state, "gl_MaxVertexUniformComponents", + state->Const.MaxVertexUniformComponents); + add_builtin_constant(instructions, state, "gl_MaxVaryingFloats", + state->Const.MaxVaryingFloats); + add_builtin_constant(instructions, state, "gl_MaxVertexTextureImageUnits", + state->Const.MaxVertexTextureImageUnits); + add_builtin_constant(instructions, state, "gl_MaxCombinedTextureImageUnits", + state->Const.MaxCombinedTextureImageUnits); + add_builtin_constant(instructions, state, "gl_MaxTextureImageUnits", + state->Const.MaxTextureImageUnits); + add_builtin_constant(instructions, state, "gl_MaxFragmentUniformComponents", + state->Const.MaxFragmentUniformComponents); + + const glsl_type *const mat4_array_type = + glsl_type::get_array_instance(glsl_type::mat4_type, + state->Const.MaxTextureCoords); + + add_uniform(instructions, state, "gl_TextureMatrix", mat4_array_type); + add_uniform(instructions, state, "gl_TextureMatrixInverse", mat4_array_type); + add_uniform(instructions, state, "gl_TextureMatrixTranspose", mat4_array_type); + add_uniform(instructions, state, "gl_TextureMatrixInverseTranspose", mat4_array_type); + + add_uniform(instructions, state, "gl_DepthRange", + state->symbols->get_type("gl_DepthRangeParameters")); + + add_uniform(instructions, state, "gl_ClipPlane", + glsl_type::get_array_instance(glsl_type::vec4_type, + state->Const.MaxClipPlanes)); + add_uniform(instructions, state, "gl_Point", + state->symbols->get_type("gl_PointParameters")); + + const glsl_type *const material_parameters_type = + state->symbols->get_type("gl_MaterialParameters"); + add_uniform(instructions, state, "gl_FrontMaterial", material_parameters_type); + add_uniform(instructions, state, "gl_BackMaterial", material_parameters_type); + + const glsl_type *const light_source_array_type = + glsl_type::get_array_instance(state->symbols->get_type("gl_LightSourceParameters"), state->Const.MaxLights); + + add_uniform(instructions, state, "gl_LightSource", light_source_array_type); + + const glsl_type *const light_model_products_type = + state->symbols->get_type("gl_LightModelProducts"); + add_uniform(instructions, state, "gl_FrontLightModelProduct", + light_model_products_type); + add_uniform(instructions, state, "gl_BackLightModelProduct", + light_model_products_type); + + const glsl_type *const light_products_type = + glsl_type::get_array_instance(state->symbols->get_type("gl_LightProducts"), + state->Const.MaxLights); + add_uniform(instructions, state, "gl_FrontLightProduct", light_products_type); + add_uniform(instructions, state, "gl_BackLightProduct", light_products_type); + + add_uniform(instructions, state, "gl_TextureEnvColor", + glsl_type::get_array_instance(glsl_type::vec4_type, + state->Const.MaxTextureUnits)); + + const glsl_type *const texcoords_vec4 = + glsl_type::get_array_instance(glsl_type::vec4_type, + state->Const.MaxTextureCoords); + add_uniform(instructions, state, "gl_EyePlaneS", texcoords_vec4); + add_uniform(instructions, state, "gl_EyePlaneT", texcoords_vec4); + add_uniform(instructions, state, "gl_EyePlaneR", texcoords_vec4); + add_uniform(instructions, state, "gl_EyePlaneQ", texcoords_vec4); + add_uniform(instructions, state, "gl_ObjectPlaneS", texcoords_vec4); + add_uniform(instructions, state, "gl_ObjectPlaneT", texcoords_vec4); + add_uniform(instructions, state, "gl_ObjectPlaneR", texcoords_vec4); + add_uniform(instructions, state, "gl_ObjectPlaneQ", texcoords_vec4); + + add_uniform(instructions, state, "gl_Fog", + state->symbols->get_type("gl_FogParameters")); +} + +/* This function should only be called for ES, not desktop GL. */ +static void +generate_100ES_vs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + for (unsigned i = 0; i < Elements(builtin_core_vs_variables); i++) { + add_builtin_variable(& builtin_core_vs_variables[i], + instructions, state->symbols); + } + + generate_100ES_uniforms(instructions, state); + + generate_ARB_draw_buffers_variables(instructions, state, false, + vertex_shader); +} + + +static void +generate_110_vs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + for (unsigned i = 0; i < Elements(builtin_core_vs_variables); i++) { + add_builtin_variable(& builtin_core_vs_variables[i], + instructions, state->symbols); + } + + for (unsigned i = 0 + ; i < Elements(builtin_110_deprecated_vs_variables) + ; i++) { + add_builtin_variable(& builtin_110_deprecated_vs_variables[i], + instructions, state->symbols); + } + generate_110_uniforms(instructions, state); + + /* From page 54 (page 60 of the PDF) of the GLSL 1.20 spec: + * + * "As with all arrays, indices used to subscript gl_TexCoord must + * either be an integral constant expressions, or this array must be + * re-declared by the shader with a size. The size can be at most + * gl_MaxTextureCoords. Using indexes close to 0 may aid the + * implementation in preserving varying resources." + */ + const glsl_type *const vec4_array_type = + glsl_type::get_array_instance(glsl_type::vec4_type, 0); + + add_variable("gl_TexCoord", ir_var_out, VERT_RESULT_TEX0, vec4_array_type, + instructions, state->symbols); + + generate_ARB_draw_buffers_variables(instructions, state, false, + vertex_shader); +} + + +static void +generate_120_vs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + /* GLSL version 1.20 did not add any built-in variables in the vertex + * shader. + */ + generate_110_vs_variables(instructions, state); +} + + +static void +generate_130_vs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + generate_120_vs_variables(instructions, state); + + for (unsigned i = 0; i < Elements(builtin_130_vs_variables); i++) { + add_builtin_variable(& builtin_130_vs_variables[i], + instructions, state->symbols); + } + + const glsl_type *const clip_distance_array_type = + glsl_type::get_array_instance(glsl_type::float_type, + state->Const.MaxClipPlanes); + + /* FINISHME: gl_ClipDistance needs a real location assigned. */ + add_variable("gl_ClipDistance", ir_var_out, -1, clip_distance_array_type, + instructions, state->symbols); + +} + + +static void +initialize_vs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + + switch (state->language_version) { + case 100: + generate_100ES_vs_variables(instructions, state); + break; + case 110: + generate_110_vs_variables(instructions, state); + break; + case 120: + generate_120_vs_variables(instructions, state); + break; + case 130: + generate_130_vs_variables(instructions, state); + break; + } +} + +/* This function should only be called for ES, not desktop GL. */ +static void +generate_100ES_fs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + for (unsigned i = 0; i < Elements(builtin_core_fs_variables); i++) { + add_builtin_variable(& builtin_core_fs_variables[i], + instructions, state->symbols); + } + + for (unsigned i = 0; i < Elements(builtin_100ES_fs_variables); i++) { + add_builtin_variable(& builtin_100ES_fs_variables[i], + instructions, state->symbols); + } + + generate_100ES_uniforms(instructions, state); + + generate_ARB_draw_buffers_variables(instructions, state, false, + fragment_shader); +} + +static void +generate_110_fs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + for (unsigned i = 0; i < Elements(builtin_core_fs_variables); i++) { + add_builtin_variable(& builtin_core_fs_variables[i], + instructions, state->symbols); + } + + for (unsigned i = 0; i < Elements(builtin_110_fs_variables); i++) { + add_builtin_variable(& builtin_110_fs_variables[i], + instructions, state->symbols); + } + + for (unsigned i = 0 + ; i < Elements(builtin_110_deprecated_fs_variables) + ; i++) { + add_builtin_variable(& builtin_110_deprecated_fs_variables[i], + instructions, state->symbols); + } + generate_110_uniforms(instructions, state); + + /* From page 54 (page 60 of the PDF) of the GLSL 1.20 spec: + * + * "As with all arrays, indices used to subscript gl_TexCoord must + * either be an integral constant expressions, or this array must be + * re-declared by the shader with a size. The size can be at most + * gl_MaxTextureCoords. Using indexes close to 0 may aid the + * implementation in preserving varying resources." + */ + const glsl_type *const vec4_array_type = + glsl_type::get_array_instance(glsl_type::vec4_type, 0); + + add_variable("gl_TexCoord", ir_var_in, FRAG_ATTRIB_TEX0, vec4_array_type, + instructions, state->symbols); + + generate_ARB_draw_buffers_variables(instructions, state, false, + fragment_shader); +} + + +static void +generate_ARB_draw_buffers_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state, + bool warn, _mesa_glsl_parser_targets target) +{ + /* gl_MaxDrawBuffers is available in all shader stages. + */ + ir_variable *const mdb = + add_variable("gl_MaxDrawBuffers", ir_var_auto, -1, + glsl_type::int_type, instructions, state->symbols); + + if (warn) + mdb->warn_extension = "GL_ARB_draw_buffers"; + + mdb->constant_value = new(mdb) + ir_constant(int(state->Const.MaxDrawBuffers)); + + + /* gl_FragData is only available in the fragment shader. + */ + if (target == fragment_shader) { + const glsl_type *const vec4_array_type = + glsl_type::get_array_instance(glsl_type::vec4_type, + state->Const.MaxDrawBuffers); + + ir_variable *const fd = + add_variable("gl_FragData", ir_var_out, FRAG_RESULT_DATA0, + vec4_array_type, instructions, state->symbols); + + if (warn) + fd->warn_extension = "GL_ARB_draw_buffers"; + } +} + + +static void +generate_120_fs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + generate_110_fs_variables(instructions, state); + + for (unsigned i = 0 + ; i < Elements(builtin_120_fs_variables) + ; i++) { + add_builtin_variable(& builtin_120_fs_variables[i], + instructions, state->symbols); + } +} + +static void +generate_130_fs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + generate_120_fs_variables(instructions, state); + + const glsl_type *const clip_distance_array_type = + glsl_type::get_array_instance(glsl_type::float_type, + state->Const.MaxClipPlanes); + + /* FINISHME: gl_ClipDistance needs a real location assigned. */ + add_variable("gl_ClipDistance", ir_var_in, -1, clip_distance_array_type, + instructions, state->symbols); +} + +static void +initialize_fs_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + + switch (state->language_version) { + case 100: + generate_100ES_fs_variables(instructions, state); + break; + case 110: + generate_110_fs_variables(instructions, state); + break; + case 120: + generate_120_fs_variables(instructions, state); + break; + case 130: + generate_130_fs_variables(instructions, state); + break; + } +} + +void +_mesa_glsl_initialize_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + switch (state->target) { + case vertex_shader: + initialize_vs_variables(instructions, state); + break; + case geometry_shader: + break; + case fragment_shader: + initialize_fs_variables(instructions, state); + break; + case ir_shader: + fprintf(stderr, "ir reader has no builtin variables"); + exit(1); + break; + } +} diff --git a/mesalib/src/glsl/ir_variable_refcount.cpp b/mesalib/src/glsl/ir_variable_refcount.cpp new file mode 100644 index 000000000..7d39abb36 --- /dev/null +++ b/mesalib/src/glsl/ir_variable_refcount.cpp @@ -0,0 +1,113 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_variable_refcount.cpp + * + * Provides a visitor which produces a list of variables referenced, + * how many times they were referenced and assigned, and whether they + * were defined in the scope. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_variable_refcount.h" +#include "glsl_types.h" + + +// constructor +variable_entry::variable_entry(ir_variable *var) +{ + this->var = var; + assign = NULL; + assigned_count = 0; + declaration = false; + referenced_count = 0; +} + + +variable_entry * +ir_variable_refcount_visitor::get_variable_entry(ir_variable *var) +{ + assert(var); + foreach_iter(exec_list_iterator, iter, this->variable_list) { + variable_entry *entry = (variable_entry *)iter.get(); + if (entry->var == var) + return entry; + } + + variable_entry *entry = new(mem_ctx) variable_entry(var); + assert(entry->referenced_count == 0); + this->variable_list.push_tail(entry); + return entry; +} + + +ir_visitor_status +ir_variable_refcount_visitor::visit(ir_variable *ir) +{ + variable_entry *entry = this->get_variable_entry(ir); + if (entry) + entry->declaration = true; + + return visit_continue; +} + + +ir_visitor_status +ir_variable_refcount_visitor::visit(ir_dereference_variable *ir) +{ + ir_variable *const var = ir->variable_referenced(); + variable_entry *entry = this->get_variable_entry(var); + + if (entry) + entry->referenced_count++; + + return visit_continue; +} + + +ir_visitor_status +ir_variable_refcount_visitor::visit_enter(ir_function_signature *ir) +{ + /* We don't want to descend into the function parameters and + * dead-code eliminate them, so just accept the body here. + */ + visit_list_elements(this, &ir->body); + return visit_continue_with_parent; +} + + +ir_visitor_status +ir_variable_refcount_visitor::visit_leave(ir_assignment *ir) +{ + variable_entry *entry; + entry = this->get_variable_entry(ir->lhs->variable_referenced()); + if (entry) { + entry->assigned_count++; + if (entry->assign == NULL) + entry->assign = ir; + } + + return visit_continue; +} diff --git a/mesalib/src/glsl/ir_variable_refcount.h b/mesalib/src/glsl/ir_variable_refcount.h new file mode 100644 index 000000000..8b43bad71 --- /dev/null +++ b/mesalib/src/glsl/ir_variable_refcount.h @@ -0,0 +1,78 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_variable_refcount.h + * + * Provides a visitor which produces a list of variables referenced, + * how many times they were referenced and assigned, and whether they + * were defined in the scope. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "glsl_types.h" + +class variable_entry : public exec_node +{ +public: + variable_entry(ir_variable *var); + + ir_variable *var; /* The key: the variable's pointer. */ + ir_assignment *assign; /* An assignment to the variable, if any */ + + /** Number of times the variable is referenced, including assignments. */ + unsigned referenced_count; + + /** Number of times the variable is assigned. */ + unsigned assigned_count; + + bool declaration; /* If the variable had a decl in the instruction stream */ +}; + +class ir_variable_refcount_visitor : public ir_hierarchical_visitor { +public: + ir_variable_refcount_visitor(void) + { + this->mem_ctx = talloc_new(NULL); + this->variable_list.make_empty(); + } + + ~ir_variable_refcount_visitor(void) + { + talloc_free(this->mem_ctx); + } + + virtual ir_visitor_status visit(ir_variable *); + virtual ir_visitor_status visit(ir_dereference_variable *); + + virtual ir_visitor_status visit_enter(ir_function_signature *); + virtual ir_visitor_status visit_leave(ir_assignment *); + + variable_entry *get_variable_entry(ir_variable *var); + + /* List of variable_entry */ + exec_list variable_list; + + void *mem_ctx; +}; diff --git a/mesalib/src/glsl/ir_vec_index_to_cond_assign.cpp b/mesalib/src/glsl/ir_vec_index_to_cond_assign.cpp new file mode 100644 index 000000000..cd8dedf2f --- /dev/null +++ b/mesalib/src/glsl/ir_vec_index_to_cond_assign.cpp @@ -0,0 +1,258 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_vec_index_to_cond_assign.cpp + * + * Turns indexing into vector types to a series of conditional moves + * of each channel's swizzle into a temporary. + * + * Most GPUs don't have a native way to do this operation, and this + * works around that. For drivers using both this pass and + * ir_vec_index_to_swizzle, there's a risk that this pass will happen + * before sufficient constant folding to find that the array index is + * constant. However, we hope that other optimization passes, + * particularly constant folding of assignment conditions and copy + * propagation, will result in the same code in the end. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +/** + * Visitor class for replacing expressions with ir_constant values. + */ + +class ir_vec_index_to_cond_assign_visitor : public ir_hierarchical_visitor { +public: + ir_vec_index_to_cond_assign_visitor() + { + progress = false; + } + + ir_rvalue *convert_vec_index_to_cond_assign(ir_rvalue *val); + + virtual ir_visitor_status visit_enter(ir_expression *); + virtual ir_visitor_status visit_enter(ir_swizzle *); + virtual ir_visitor_status visit_leave(ir_assignment *); + virtual ir_visitor_status visit_enter(ir_return *); + virtual ir_visitor_status visit_enter(ir_call *); + virtual ir_visitor_status visit_enter(ir_if *); + + bool progress; +}; + +ir_rvalue * +ir_vec_index_to_cond_assign_visitor::convert_vec_index_to_cond_assign(ir_rvalue *ir) +{ + ir_dereference_array *orig_deref = ir->as_dereference_array(); + ir_assignment *assign; + ir_variable *index, *var; + ir_dereference *deref; + ir_expression *condition; + ir_swizzle *swizzle; + int i; + + if (!orig_deref) + return ir; + + if (orig_deref->array->type->is_matrix() || + orig_deref->array->type->is_array()) + return ir; + + void *mem_ctx = talloc_parent(ir); + + assert(orig_deref->array_index->type->base_type == GLSL_TYPE_INT); + + /* Store the index to a temporary to avoid reusing its tree. */ + index = new(base_ir) ir_variable(glsl_type::int_type, + "vec_index_tmp_i", + ir_var_temporary); + base_ir->insert_before(index); + deref = new(base_ir) ir_dereference_variable(index); + assign = new(base_ir) ir_assignment(deref, orig_deref->array_index, NULL); + base_ir->insert_before(assign); + + /* Temporary where we store whichever value we swizzle out. */ + var = new(base_ir) ir_variable(ir->type, "vec_index_tmp_v", + ir_var_temporary); + base_ir->insert_before(var); + + /* Generate a conditional move of each vector element to the temp. */ + for (i = 0; i < orig_deref->array->type->vector_elements; i++) { + deref = new(base_ir) ir_dereference_variable(index); + condition = new(base_ir) ir_expression(ir_binop_equal, + glsl_type::bool_type, + deref, + new(base_ir) ir_constant(i)); + + /* Just clone the rest of the deref chain when trying to get at the + * underlying variable. + */ + swizzle = new(base_ir) ir_swizzle(orig_deref->array->clone(mem_ctx, NULL), + i, 0, 0, 0, 1); + + deref = new(base_ir) ir_dereference_variable(var); + assign = new(base_ir) ir_assignment(deref, swizzle, condition); + base_ir->insert_before(assign); + } + + this->progress = true; + return new(base_ir) ir_dereference_variable(var); +} + +ir_visitor_status +ir_vec_index_to_cond_assign_visitor::visit_enter(ir_expression *ir) +{ + unsigned int i; + + for (i = 0; i < ir->get_num_operands(); i++) { + ir->operands[i] = convert_vec_index_to_cond_assign(ir->operands[i]); + } + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_cond_assign_visitor::visit_enter(ir_swizzle *ir) +{ + /* Can't be hit from normal GLSL, since you can't swizzle a scalar (which + * the result of indexing a vector is. But maybe at some point we'll end up + * using swizzling of scalars for vector construction. + */ + ir->val = convert_vec_index_to_cond_assign(ir->val); + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_cond_assign_visitor::visit_leave(ir_assignment *ir) +{ + ir_variable *index, *var; + ir_dereference_variable *deref; + ir_assignment *assign; + int i; + + ir->rhs = convert_vec_index_to_cond_assign(ir->rhs); + if (ir->condition) + ir->condition = convert_vec_index_to_cond_assign(ir->condition); + + /* Last, handle the LHS */ + ir_dereference_array *orig_deref = ir->lhs->as_dereference_array(); + + if (!orig_deref || + orig_deref->array->type->is_matrix() || + orig_deref->array->type->is_array()) + return visit_continue; + + void *mem_ctx = talloc_parent(ir); + + assert(orig_deref->array_index->type->base_type == GLSL_TYPE_INT); + + /* Store the index to a temporary to avoid reusing its tree. */ + index = new(ir) ir_variable(glsl_type::int_type, "vec_index_tmp_i", + ir_var_temporary); + ir->insert_before(index); + deref = new(ir) ir_dereference_variable(index); + assign = new(ir) ir_assignment(deref, orig_deref->array_index, NULL); + ir->insert_before(assign); + + /* Store the RHS to a temporary to avoid reusing its tree. */ + var = new(ir) ir_variable(ir->rhs->type, "vec_index_tmp_v", + ir_var_temporary); + ir->insert_before(var); + deref = new(ir) ir_dereference_variable(var); + assign = new(ir) ir_assignment(deref, ir->rhs, NULL); + ir->insert_before(assign); + + /* Generate a conditional move of each vector element to the temp. */ + for (i = 0; i < orig_deref->array->type->vector_elements; i++) { + ir_rvalue *condition, *swizzle; + + deref = new(ir) ir_dereference_variable(index); + condition = new(ir) ir_expression(ir_binop_equal, + glsl_type::bool_type, + deref, + new(ir) ir_constant(i)); + + /* Just clone the rest of the deref chain when trying to get at the + * underlying variable. + */ + swizzle = new(ir) ir_swizzle(orig_deref->array->clone(mem_ctx, NULL), + i, 0, 0, 0, 1); + + deref = new(ir) ir_dereference_variable(var); + assign = new(ir) ir_assignment(swizzle, deref, condition); + ir->insert_before(assign); + } + ir->remove(); + + this->progress = true; + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_cond_assign_visitor::visit_enter(ir_call *ir) +{ + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param = (ir_rvalue *)iter.get(); + ir_rvalue *new_param = convert_vec_index_to_cond_assign(param); + + if (new_param != param) { + param->replace_with(new_param); + } + } + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_cond_assign_visitor::visit_enter(ir_return *ir) +{ + if (ir->value) { + ir->value = convert_vec_index_to_cond_assign(ir->value); + } + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_cond_assign_visitor::visit_enter(ir_if *ir) +{ + ir->condition = convert_vec_index_to_cond_assign(ir->condition); + + return visit_continue; +} + +bool +do_vec_index_to_cond_assign(exec_list *instructions) +{ + ir_vec_index_to_cond_assign_visitor v; + + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_vec_index_to_swizzle.cpp b/mesalib/src/glsl/ir_vec_index_to_swizzle.cpp new file mode 100644 index 000000000..969dc8f94 --- /dev/null +++ b/mesalib/src/glsl/ir_vec_index_to_swizzle.cpp @@ -0,0 +1,157 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ir_vec_index_to_swizzle.cpp + * + * Turns constant indexing into vector types to swizzles. This will + * let other swizzle-aware optimization passes catch these constructs, + * and codegen backends not have to worry about this case. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" + +/** + * Visitor class for replacing expressions with ir_constant values. + */ + +class ir_vec_index_to_swizzle_visitor : public ir_hierarchical_visitor { +public: + ir_vec_index_to_swizzle_visitor() + { + progress = false; + } + + ir_rvalue *convert_vec_index_to_swizzle(ir_rvalue *val); + + virtual ir_visitor_status visit_enter(ir_expression *); + virtual ir_visitor_status visit_enter(ir_swizzle *); + virtual ir_visitor_status visit_enter(ir_assignment *); + virtual ir_visitor_status visit_enter(ir_return *); + virtual ir_visitor_status visit_enter(ir_call *); + virtual ir_visitor_status visit_enter(ir_if *); + + bool progress; +}; + +ir_rvalue * +ir_vec_index_to_swizzle_visitor::convert_vec_index_to_swizzle(ir_rvalue *ir) +{ + ir_dereference_array *deref = ir->as_dereference_array(); + ir_constant *ir_constant; + + if (!deref) + return ir; + + if (deref->array->type->is_matrix() || deref->array->type->is_array()) + return ir; + + assert(deref->array_index->type->base_type == GLSL_TYPE_INT); + ir_constant = deref->array_index->constant_expression_value(); + if (!ir_constant) + return ir; + + void *ctx = talloc_parent(ir); + this->progress = true; + return new(ctx) ir_swizzle(deref->array, + ir_constant->value.i[0], 0, 0, 0, 1); +} + +ir_visitor_status +ir_vec_index_to_swizzle_visitor::visit_enter(ir_expression *ir) +{ + unsigned int i; + + for (i = 0; i < ir->get_num_operands(); i++) { + ir->operands[i] = convert_vec_index_to_swizzle(ir->operands[i]); + } + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_swizzle_visitor::visit_enter(ir_swizzle *ir) +{ + /* Can't be hit from normal GLSL, since you can't swizzle a scalar (which + * the result of indexing a vector is. But maybe at some point we'll end up + * using swizzling of scalars for vector construction. + */ + ir->val = convert_vec_index_to_swizzle(ir->val); + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_swizzle_visitor::visit_enter(ir_assignment *ir) +{ + ir->set_lhs(convert_vec_index_to_swizzle(ir->lhs)); + ir->rhs = convert_vec_index_to_swizzle(ir->rhs); + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_swizzle_visitor::visit_enter(ir_call *ir) +{ + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param = (ir_rvalue *)iter.get(); + ir_rvalue *new_param = convert_vec_index_to_swizzle(param); + + if (new_param != param) { + param->replace_with(new_param); + } + } + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_swizzle_visitor::visit_enter(ir_return *ir) +{ + if (ir->value) { + ir->value = convert_vec_index_to_swizzle(ir->value); + } + + return visit_continue; +} + +ir_visitor_status +ir_vec_index_to_swizzle_visitor::visit_enter(ir_if *ir) +{ + ir->condition = convert_vec_index_to_swizzle(ir->condition); + + return visit_continue; +} + +bool +do_vec_index_to_swizzle(exec_list *instructions) +{ + ir_vec_index_to_swizzle_visitor v; + + v.run(instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/ir_visitor.h b/mesalib/src/glsl/ir_visitor.h new file mode 100644 index 000000000..7dd35fe1d --- /dev/null +++ b/mesalib/src/glsl/ir_visitor.h @@ -0,0 +1,84 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef IR_VISITOR_H +#define IR_VISITOR_H + +/** + * Abstract base class of visitors of IR instruction trees + */ +class ir_visitor { +public: + virtual ~ir_visitor() + { + /* empty */ + } + + /** + * \name Visit methods + * + * As typical for the visitor pattern, there must be one \c visit method for + * each concrete subclass of \c ir_instruction. Virtual base classes within + * the hierarchy should not have \c visit methods. + */ + /*@{*/ + virtual void visit(class ir_variable *) = 0; + virtual void visit(class ir_function_signature *) = 0; + virtual void visit(class ir_function *) = 0; + virtual void visit(class ir_expression *) = 0; + virtual void visit(class ir_texture *) = 0; + virtual void visit(class ir_swizzle *) = 0; + virtual void visit(class ir_dereference_variable *) = 0; + virtual void visit(class ir_dereference_array *) = 0; + virtual void visit(class ir_dereference_record *) = 0; + virtual void visit(class ir_assignment *) = 0; + virtual void visit(class ir_constant *) = 0; + virtual void visit(class ir_call *) = 0; + virtual void visit(class ir_return *) = 0; + virtual void visit(class ir_discard *) = 0; + virtual void visit(class ir_if *) = 0; + virtual void visit(class ir_loop *) = 0; + virtual void visit(class ir_loop_jump *) = 0; + /*@}*/ +}; + +/* NOTE: function calls may never return due to discards inside them + * This is usually not an issue, but if it is, keep it in mind + */ +class ir_control_flow_visitor : public ir_visitor { +public: + virtual void visit(class ir_variable *) {} + virtual void visit(class ir_expression *) {} + virtual void visit(class ir_texture *) {} + virtual void visit(class ir_swizzle *) {} + virtual void visit(class ir_dereference_variable *) {} + virtual void visit(class ir_dereference_array *) {} + virtual void visit(class ir_dereference_record *) {} + virtual void visit(class ir_assignment *) {} + virtual void visit(class ir_constant *) {} + virtual void visit(class ir_call *) {} +}; + +#endif /* IR_VISITOR_H */ diff --git a/mesalib/src/glsl/link_functions.cpp b/mesalib/src/glsl/link_functions.cpp new file mode 100644 index 000000000..78c8b48cf --- /dev/null +++ b/mesalib/src/glsl/link_functions.cpp @@ -0,0 +1,262 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <cstdlib> +#include <cstdio> +#include <cstdarg> + +extern "C" { +#include <talloc.h> +} + +#include "main/core.h" +#include "glsl_symbol_table.h" +#include "glsl_parser_extras.h" +#include "ir.h" +#include "program.h" +#include "program/hash_table.h" +#include "linker.h" + +static ir_function_signature * +find_matching_signature(const char *name, const exec_list *actual_parameters, + gl_shader **shader_list, unsigned num_shaders); + +class call_link_visitor : public ir_hierarchical_visitor { +public: + call_link_visitor(gl_shader_program *prog, gl_shader *linked, + gl_shader **shader_list, unsigned num_shaders) + { + this->prog = prog; + this->shader_list = shader_list; + this->num_shaders = num_shaders; + this->success = true; + this->linked = linked; + + this->locals = hash_table_ctor(0, hash_table_pointer_hash, + hash_table_pointer_compare); + } + + ~call_link_visitor() + { + hash_table_dtor(this->locals); + } + + virtual ir_visitor_status visit(ir_variable *ir) + { + hash_table_insert(locals, ir, ir); + return visit_continue; + } + + virtual ir_visitor_status visit_enter(ir_call *ir) + { + /* If ir is an ir_call from a function that was imported from another + * shader callee will point to an ir_function_signature in the original + * shader. In this case the function signature MUST NOT BE MODIFIED. + * Doing so will modify the original shader. This may prevent that + * shader from being linkable in other programs. + */ + const ir_function_signature *const callee = ir->get_callee(); + assert(callee != NULL); + const char *const name = callee->function_name(); + + /* Determine if the requested function signature already exists in the + * final linked shader. If it does, use it as the target of the call. + */ + ir_function_signature *sig = + find_matching_signature(name, &callee->parameters, &linked, 1); + if (sig != NULL) { + ir->set_callee(sig); + return visit_continue; + } + + /* Try to find the signature in one of the other shaders that is being + * linked. If it's not found there, return an error. + */ + sig = find_matching_signature(name, &ir->actual_parameters, shader_list, + num_shaders); + if (sig == NULL) { + /* FINISHME: Log the full signature of unresolved function. + */ + linker_error_printf(this->prog, "unresolved reference to function " + "`%s'\n", name); + this->success = false; + return visit_stop; + } + + /* Find the prototype information in the linked shader. Generate any + * details that may be missing. + */ + ir_function *f = linked->symbols->get_function(name); + if (f == NULL) + f = new(linked) ir_function(name); + + ir_function_signature *linked_sig = + f->exact_matching_signature(&callee->parameters); + if (linked_sig == NULL) { + linked_sig = new(linked) ir_function_signature(callee->return_type); + f->add_signature(linked_sig); + } + + /* At this point linked_sig and called may be the same. If ir is an + * ir_call from linked then linked_sig and callee will be + * ir_function_signatures that have no definitions (is_defined is false). + */ + assert(!linked_sig->is_defined); + assert(linked_sig->body.is_empty()); + + /* Create an in-place clone of the function definition. This multistep + * process introduces some complexity here, but it has some advantages. + * The parameter list and the and function body are cloned separately. + * The clone of the parameter list is used to prime the hashtable used + * to replace variable references in the cloned body. + * + * The big advantage is that the ir_function_signature does not change. + * This means that we don't have to process the rest of the IR tree to + * patch ir_call nodes. In addition, there is no way to remove or + * replace signature stored in a function. One could easily be added, + * but this avoids the need. + */ + struct hash_table *ht = hash_table_ctor(0, hash_table_pointer_hash, + hash_table_pointer_compare); + exec_list formal_parameters; + foreach_list_const(node, &sig->parameters) { + const ir_instruction *const original = (ir_instruction *) node; + assert(const_cast<ir_instruction *>(original)->as_variable()); + + ir_instruction *copy = original->clone(linked, ht); + formal_parameters.push_tail(copy); + } + + linked_sig->replace_parameters(&formal_parameters); + + foreach_list_const(node, &sig->body) { + const ir_instruction *const original = (ir_instruction *) node; + + ir_instruction *copy = original->clone(linked, ht); + linked_sig->body.push_tail(copy); + } + + linked_sig->is_defined = true; + hash_table_dtor(ht); + + /* Patch references inside the function to things outside the function + * (i.e., function calls and global variables). + */ + linked_sig->accept(this); + + ir->set_callee(linked_sig); + + return visit_continue; + } + + virtual ir_visitor_status visit(ir_dereference_variable *ir) + { + if (hash_table_find(locals, ir->var) == NULL) { + /* The non-function variable must be a global, so try to find the + * variable in the shader's symbol table. If the variable is not + * found, then it's a global that *MUST* be defined in the original + * shader. + */ + ir_variable *var = linked->symbols->get_variable(ir->var->name); + if (var == NULL) { + /* Clone the ir_variable that the dereference already has and add + * it to the linked shader. + */ + var = ir->var->clone(linked, NULL); + linked->symbols->add_variable(var->name, var); + linked->ir->push_head(var); + } + + ir->var = var; + } + + return visit_continue; + } + + /** Was function linking successful? */ + bool success; + +private: + /** + * Shader program being linked + * + * This is only used for logging error messages. + */ + gl_shader_program *prog; + + /** List of shaders available for linking. */ + gl_shader **shader_list; + + /** Number of shaders available for linking. */ + unsigned num_shaders; + + /** + * Final linked shader + * + * This is used two ways. It is used to find global variables in the + * linked shader that are accessed by the function. It is also used to add + * global variables from the shader where the function originated. + */ + gl_shader *linked; + + /** + * Table of variables local to the function. + */ + hash_table *locals; +}; + + +/** + * Searches a list of shaders for a particular function definition + */ +ir_function_signature * +find_matching_signature(const char *name, const exec_list *actual_parameters, + gl_shader **shader_list, unsigned num_shaders) +{ + for (unsigned i = 0; i < num_shaders; i++) { + ir_function *const f = shader_list[i]->symbols->get_function(name); + + if (f == NULL) + continue; + + ir_function_signature *sig = f->matching_signature(actual_parameters); + + if ((sig == NULL) || !sig->is_defined) + continue; + + return sig; + } + + return NULL; +} + + +bool +link_function_calls(gl_shader_program *prog, gl_shader *main, + gl_shader **shader_list, unsigned num_shaders) +{ + call_link_visitor v(prog, main, shader_list, num_shaders); + + v.run(main->ir); + return v.success; +} diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp new file mode 100644 index 000000000..4bb4e2a99 --- /dev/null +++ b/mesalib/src/glsl/linker.cpp @@ -0,0 +1,1505 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file linker.cpp + * GLSL linker implementation + * + * Given a set of shaders that are to be linked to generate a final program, + * there are three distinct stages. + * + * In the first stage shaders are partitioned into groups based on the shader + * type. All shaders of a particular type (e.g., vertex shaders) are linked + * together. + * + * - Undefined references in each shader are resolve to definitions in + * another shader. + * - Types and qualifiers of uniforms, outputs, and global variables defined + * in multiple shaders with the same name are verified to be the same. + * - Initializers for uniforms and global variables defined + * in multiple shaders with the same name are verified to be the same. + * + * The result, in the terminology of the GLSL spec, is a set of shader + * executables for each processing unit. + * + * After the first stage is complete, a series of semantic checks are performed + * on each of the shader executables. + * + * - Each shader executable must define a \c main function. + * - Each vertex shader executable must write to \c gl_Position. + * - Each fragment shader executable must write to either \c gl_FragData or + * \c gl_FragColor. + * + * In the final stage individual shader executables are linked to create a + * complete exectuable. + * + * - Types of uniforms defined in multiple shader stages with the same name + * are verified to be the same. + * - Initializers for uniforms defined in multiple shader stages with the + * same name are verified to be the same. + * - Types and qualifiers of outputs defined in one stage are verified to + * be the same as the types and qualifiers of inputs defined with the same + * name in a later stage. + * + * \author Ian Romanick <ian.d.romanick@intel.com> + */ +#include <cstdlib> +#include <cstdio> +#include <cstdarg> +#include <climits> + +extern "C" { +#include <talloc.h> +} + +#include "main/core.h" +#include "glsl_symbol_table.h" +#include "ir.h" +#include "program.h" +#include "program/hash_table.h" +#include "linker.h" +#include "ir_optimization.h" + +/** + * Visitor that determines whether or not a variable is ever written. + */ +class find_assignment_visitor : public ir_hierarchical_visitor { +public: + find_assignment_visitor(const char *name) + : name(name), found(false) + { + /* empty */ + } + + virtual ir_visitor_status visit_enter(ir_assignment *ir) + { + ir_variable *const var = ir->lhs->variable_referenced(); + + if (strcmp(name, var->name) == 0) { + found = true; + return visit_stop; + } + + return visit_continue_with_parent; + } + + virtual ir_visitor_status visit_enter(ir_call *ir) + { + exec_list_iterator sig_iter = ir->get_callee()->parameters.iterator(); + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param_rval = (ir_rvalue *)iter.get(); + ir_variable *sig_param = (ir_variable *)sig_iter.get(); + + if (sig_param->mode == ir_var_out || + sig_param->mode == ir_var_inout) { + ir_variable *var = param_rval->variable_referenced(); + if (var && strcmp(name, var->name) == 0) { + found = true; + return visit_stop; + } + } + sig_iter.next(); + } + + return visit_continue_with_parent; + } + + bool variable_found() + { + return found; + } + +private: + const char *name; /**< Find writes to a variable with this name. */ + bool found; /**< Was a write to the variable found? */ +}; + + +/** + * Visitor that determines whether or not a variable is ever read. + */ +class find_deref_visitor : public ir_hierarchical_visitor { +public: + find_deref_visitor(const char *name) + : name(name), found(false) + { + /* empty */ + } + + virtual ir_visitor_status visit(ir_dereference_variable *ir) + { + if (strcmp(this->name, ir->var->name) == 0) { + this->found = true; + return visit_stop; + } + + return visit_continue; + } + + bool variable_found() const + { + return this->found; + } + +private: + const char *name; /**< Find writes to a variable with this name. */ + bool found; /**< Was a write to the variable found? */ +}; + + +void +linker_error_printf(gl_shader_program *prog, const char *fmt, ...) +{ + va_list ap; + + prog->InfoLog = talloc_strdup_append(prog->InfoLog, "error: "); + va_start(ap, fmt); + prog->InfoLog = talloc_vasprintf_append(prog->InfoLog, fmt, ap); + va_end(ap); +} + + +void +invalidate_variable_locations(gl_shader *sh, enum ir_variable_mode mode, + int generic_base) +{ + foreach_list(node, sh->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if ((var == NULL) || (var->mode != (unsigned) mode)) + continue; + + /* Only assign locations for generic attributes / varyings / etc. + */ + if (var->location >= generic_base) + var->location = -1; + } +} + + +/** + * Determine the number of attribute slots required for a particular type + * + * This code is here because it implements the language rules of a specific + * GLSL version. Since it's a property of the language and not a property of + * types in general, it doesn't really belong in glsl_type. + */ +unsigned +count_attribute_slots(const glsl_type *t) +{ + /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec: + * + * "A scalar input counts the same amount against this limit as a vec4, + * so applications may want to consider packing groups of four + * unrelated float inputs together into a vector to better utilize the + * capabilities of the underlying hardware. A matrix input will use up + * multiple locations. The number of locations used will equal the + * number of columns in the matrix." + * + * The spec does not explicitly say how arrays are counted. However, it + * should be safe to assume the total number of slots consumed by an array + * is the number of entries in the array multiplied by the number of slots + * consumed by a single element of the array. + */ + + if (t->is_array()) + return t->array_size() * count_attribute_slots(t->element_type()); + + if (t->is_matrix()) + return t->matrix_columns; + + return 1; +} + + +/** + * Verify that a vertex shader executable meets all semantic requirements + * + * \param shader Vertex shader executable to be verified + */ +bool +validate_vertex_shader_executable(struct gl_shader_program *prog, + struct gl_shader *shader) +{ + if (shader == NULL) + return true; + + find_assignment_visitor find("gl_Position"); + find.run(shader->ir); + if (!find.variable_found()) { + linker_error_printf(prog, + "vertex shader does not write to `gl_Position'\n"); + return false; + } + + return true; +} + + +/** + * Verify that a fragment shader executable meets all semantic requirements + * + * \param shader Fragment shader executable to be verified + */ +bool +validate_fragment_shader_executable(struct gl_shader_program *prog, + struct gl_shader *shader) +{ + if (shader == NULL) + return true; + + find_assignment_visitor frag_color("gl_FragColor"); + find_assignment_visitor frag_data("gl_FragData"); + + frag_color.run(shader->ir); + frag_data.run(shader->ir); + + if (frag_color.variable_found() && frag_data.variable_found()) { + linker_error_printf(prog, "fragment shader writes to both " + "`gl_FragColor' and `gl_FragData'\n"); + return false; + } + + return true; +} + + +/** + * Generate a string describing the mode of a variable + */ +static const char * +mode_string(const ir_variable *var) +{ + switch (var->mode) { + case ir_var_auto: + return (var->read_only) ? "global constant" : "global variable"; + + case ir_var_uniform: return "uniform"; + case ir_var_in: return "shader input"; + case ir_var_out: return "shader output"; + case ir_var_inout: return "shader inout"; + + case ir_var_temporary: + default: + assert(!"Should not get here."); + return "invalid variable"; + } +} + + +/** + * Perform validation of global variables used across multiple shaders + */ +bool +cross_validate_globals(struct gl_shader_program *prog, + struct gl_shader **shader_list, + unsigned num_shaders, + bool uniforms_only) +{ + /* Examine all of the uniforms in all of the shaders and cross validate + * them. + */ + glsl_symbol_table variables; + for (unsigned i = 0; i < num_shaders; i++) { + foreach_list(node, shader_list[i]->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if (var == NULL) + continue; + + if (uniforms_only && (var->mode != ir_var_uniform)) + continue; + + /* Don't cross validate temporaries that are at global scope. These + * will eventually get pulled into the shaders 'main'. + */ + if (var->mode == ir_var_temporary) + continue; + + /* If a global with this name has already been seen, verify that the + * new instance has the same type. In addition, if the globals have + * initializers, the values of the initializers must be the same. + */ + ir_variable *const existing = variables.get_variable(var->name); + if (existing != NULL) { + if (var->type != existing->type) { + /* Consider the types to be "the same" if both types are arrays + * of the same type and one of the arrays is implicitly sized. + * In addition, set the type of the linked variable to the + * explicitly sized array. + */ + if (var->type->is_array() + && existing->type->is_array() + && (var->type->fields.array == existing->type->fields.array) + && ((var->type->length == 0) + || (existing->type->length == 0))) { + if (existing->type->length == 0) + existing->type = var->type; + } else { + linker_error_printf(prog, "%s `%s' declared as type " + "`%s' and type `%s'\n", + mode_string(var), + var->name, var->type->name, + existing->type->name); + return false; + } + } + + /* FINISHME: Handle non-constant initializers. + */ + if (var->constant_value != NULL) { + if (existing->constant_value != NULL) { + if (!var->constant_value->has_value(existing->constant_value)) { + linker_error_printf(prog, "initializers for %s " + "`%s' have differing values\n", + mode_string(var), var->name); + return false; + } + } else + /* If the first-seen instance of a particular uniform did not + * have an initializer but a later instance does, copy the + * initializer to the version stored in the symbol table. + */ + /* FINISHME: This is wrong. The constant_value field should + * FINISHME: not be modified! Imagine a case where a shader + * FINISHME: without an initializer is linked in two different + * FINISHME: programs with shaders that have differing + * FINISHME: initializers. Linking with the first will + * FINISHME: modify the shader, and linking with the second + * FINISHME: will fail. + */ + existing->constant_value = + var->constant_value->clone(talloc_parent(existing), NULL); + } + } else + variables.add_variable(var->name, var); + } + } + + return true; +} + + +/** + * Perform validation of uniforms used across multiple shader stages + */ +bool +cross_validate_uniforms(struct gl_shader_program *prog) +{ + return cross_validate_globals(prog, prog->_LinkedShaders, + prog->_NumLinkedShaders, true); +} + + +/** + * Validate that outputs from one stage match inputs of another + */ +bool +cross_validate_outputs_to_inputs(struct gl_shader_program *prog, + gl_shader *producer, gl_shader *consumer) +{ + glsl_symbol_table parameters; + /* FINISHME: Figure these out dynamically. */ + const char *const producer_stage = "vertex"; + const char *const consumer_stage = "fragment"; + + /* Find all shader outputs in the "producer" stage. + */ + foreach_list(node, producer->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + /* FINISHME: For geometry shaders, this should also look for inout + * FINISHME: variables. + */ + if ((var == NULL) || (var->mode != ir_var_out)) + continue; + + parameters.add_variable(var->name, var); + } + + + /* Find all shader inputs in the "consumer" stage. Any variables that have + * matching outputs already in the symbol table must have the same type and + * qualifiers. + */ + foreach_list(node, consumer->ir) { + ir_variable *const input = ((ir_instruction *) node)->as_variable(); + + /* FINISHME: For geometry shaders, this should also look for inout + * FINISHME: variables. + */ + if ((input == NULL) || (input->mode != ir_var_in)) + continue; + + ir_variable *const output = parameters.get_variable(input->name); + if (output != NULL) { + /* Check that the types match between stages. + */ + if (input->type != output->type) { + linker_error_printf(prog, + "%s shader output `%s' declared as " + "type `%s', but %s shader input declared " + "as type `%s'\n", + producer_stage, output->name, + output->type->name, + consumer_stage, input->type->name); + return false; + } + + /* Check that all of the qualifiers match between stages. + */ + if (input->centroid != output->centroid) { + linker_error_printf(prog, + "%s shader output `%s' %s centroid qualifier, " + "but %s shader input %s centroid qualifier\n", + producer_stage, + output->name, + (output->centroid) ? "has" : "lacks", + consumer_stage, + (input->centroid) ? "has" : "lacks"); + return false; + } + + if (input->invariant != output->invariant) { + linker_error_printf(prog, + "%s shader output `%s' %s invariant qualifier, " + "but %s shader input %s invariant qualifier\n", + producer_stage, + output->name, + (output->invariant) ? "has" : "lacks", + consumer_stage, + (input->invariant) ? "has" : "lacks"); + return false; + } + + if (input->interpolation != output->interpolation) { + linker_error_printf(prog, + "%s shader output `%s' specifies %s " + "interpolation qualifier, " + "but %s shader input specifies %s " + "interpolation qualifier\n", + producer_stage, + output->name, + output->interpolation_string(), + consumer_stage, + input->interpolation_string()); + return false; + } + } + } + + return true; +} + + +/** + * Populates a shaders symbol table with all global declarations + */ +static void +populate_symbol_table(gl_shader *sh) +{ + sh->symbols = new(sh) glsl_symbol_table; + + foreach_list(node, sh->ir) { + ir_instruction *const inst = (ir_instruction *) node; + ir_variable *var; + ir_function *func; + + if ((func = inst->as_function()) != NULL) { + sh->symbols->add_function(func->name, func); + } else if ((var = inst->as_variable()) != NULL) { + sh->symbols->add_variable(var->name, var); + } + } +} + + +/** + * Remap variables referenced in an instruction tree + * + * This is used when instruction trees are cloned from one shader and placed in + * another. These trees will contain references to \c ir_variable nodes that + * do not exist in the target shader. This function finds these \c ir_variable + * references and replaces the references with matching variables in the target + * shader. + * + * If there is no matching variable in the target shader, a clone of the + * \c ir_variable is made and added to the target shader. The new variable is + * added to \b both the instruction stream and the symbol table. + * + * \param inst IR tree that is to be processed. + * \param symbols Symbol table containing global scope symbols in the + * linked shader. + * \param instructions Instruction stream where new variable declarations + * should be added. + */ +void +remap_variables(ir_instruction *inst, struct gl_shader *target, + hash_table *temps) +{ + class remap_visitor : public ir_hierarchical_visitor { + public: + remap_visitor(struct gl_shader *target, + hash_table *temps) + { + this->target = target; + this->symbols = target->symbols; + this->instructions = target->ir; + this->temps = temps; + } + + virtual ir_visitor_status visit(ir_dereference_variable *ir) + { + if (ir->var->mode == ir_var_temporary) { + ir_variable *var = (ir_variable *) hash_table_find(temps, ir->var); + + assert(var != NULL); + ir->var = var; + return visit_continue; + } + + ir_variable *const existing = + this->symbols->get_variable(ir->var->name); + if (existing != NULL) + ir->var = existing; + else { + ir_variable *copy = ir->var->clone(this->target, NULL); + + this->symbols->add_variable(copy->name, copy); + this->instructions->push_head(copy); + ir->var = copy; + } + + return visit_continue; + } + + private: + struct gl_shader *target; + glsl_symbol_table *symbols; + exec_list *instructions; + hash_table *temps; + }; + + remap_visitor v(target, temps); + + inst->accept(&v); +} + + +/** + * Move non-declarations from one instruction stream to another + * + * The intended usage pattern of this function is to pass the pointer to the + * head sentinel of a list (i.e., a pointer to the list cast to an \c exec_node + * pointer) for \c last and \c false for \c make_copies on the first + * call. Successive calls pass the return value of the previous call for + * \c last and \c true for \c make_copies. + * + * \param instructions Source instruction stream + * \param last Instruction after which new instructions should be + * inserted in the target instruction stream + * \param make_copies Flag selecting whether instructions in \c instructions + * should be copied (via \c ir_instruction::clone) into the + * target list or moved. + * + * \return + * The new "last" instruction in the target instruction stream. This pointer + * is suitable for use as the \c last parameter of a later call to this + * function. + */ +exec_node * +move_non_declarations(exec_list *instructions, exec_node *last, + bool make_copies, gl_shader *target) +{ + hash_table *temps = NULL; + + if (make_copies) + temps = hash_table_ctor(0, hash_table_pointer_hash, + hash_table_pointer_compare); + + foreach_list_safe(node, instructions) { + ir_instruction *inst = (ir_instruction *) node; + + if (inst->as_function()) + continue; + + ir_variable *var = inst->as_variable(); + if ((var != NULL) && (var->mode != ir_var_temporary)) + continue; + + assert(inst->as_assignment() + || ((var != NULL) && (var->mode == ir_var_temporary))); + + if (make_copies) { + inst = inst->clone(target, NULL); + + if (var != NULL) + hash_table_insert(temps, inst, var); + else + remap_variables(inst, target, temps); + } else { + inst->remove(); + } + + last->insert_after(inst); + last = inst; + } + + if (make_copies) + hash_table_dtor(temps); + + return last; +} + +/** + * Get the function signature for main from a shader + */ +static ir_function_signature * +get_main_function_signature(gl_shader *sh) +{ + ir_function *const f = sh->symbols->get_function("main"); + if (f != NULL) { + exec_list void_parameters; + + /* Look for the 'void main()' signature and ensure that it's defined. + * This keeps the linker from accidentally pick a shader that just + * contains a prototype for main. + * + * We don't have to check for multiple definitions of main (in multiple + * shaders) because that would have already been caught above. + */ + ir_function_signature *sig = f->matching_signature(&void_parameters); + if ((sig != NULL) && sig->is_defined) { + return sig; + } + } + + return NULL; +} + + +/** + * Combine a group of shaders for a single stage to generate a linked shader + * + * \note + * If this function is supplied a single shader, it is cloned, and the new + * shader is returned. + */ +static struct gl_shader * +link_intrastage_shaders(GLcontext *ctx, + struct gl_shader_program *prog, + struct gl_shader **shader_list, + unsigned num_shaders) +{ + /* Check that global variables defined in multiple shaders are consistent. + */ + if (!cross_validate_globals(prog, shader_list, num_shaders, false)) + return NULL; + + /* Check that there is only a single definition of each function signature + * across all shaders. + */ + for (unsigned i = 0; i < (num_shaders - 1); i++) { + foreach_list(node, shader_list[i]->ir) { + ir_function *const f = ((ir_instruction *) node)->as_function(); + + if (f == NULL) + continue; + + for (unsigned j = i + 1; j < num_shaders; j++) { + ir_function *const other = + shader_list[j]->symbols->get_function(f->name); + + /* If the other shader has no function (and therefore no function + * signatures) with the same name, skip to the next shader. + */ + if (other == NULL) + continue; + + foreach_iter (exec_list_iterator, iter, *f) { + ir_function_signature *sig = + (ir_function_signature *) iter.get(); + + if (!sig->is_defined || sig->is_builtin) + continue; + + ir_function_signature *other_sig = + other->exact_matching_signature(& sig->parameters); + + if ((other_sig != NULL) && other_sig->is_defined + && !other_sig->is_builtin) { + linker_error_printf(prog, + "function `%s' is multiply defined", + f->name); + return NULL; + } + } + } + } + } + + /* Find the shader that defines main, and make a clone of it. + * + * Starting with the clone, search for undefined references. If one is + * found, find the shader that defines it. Clone the reference and add + * it to the shader. Repeat until there are no undefined references or + * until a reference cannot be resolved. + */ + gl_shader *main = NULL; + for (unsigned i = 0; i < num_shaders; i++) { + if (get_main_function_signature(shader_list[i]) != NULL) { + main = shader_list[i]; + break; + } + } + + if (main == NULL) { + linker_error_printf(prog, "%s shader lacks `main'\n", + (shader_list[0]->Type == GL_VERTEX_SHADER) + ? "vertex" : "fragment"); + return NULL; + } + + gl_shader *const linked = ctx->Driver.NewShader(NULL, 0, main->Type); + linked->ir = new(linked) exec_list; + clone_ir_list(linked, linked->ir, main->ir); + + populate_symbol_table(linked); + + /* The a pointer to the main function in the final linked shader (i.e., the + * copy of the original shader that contained the main function). + */ + ir_function_signature *const main_sig = get_main_function_signature(linked); + + /* Move any instructions other than variable declarations or function + * declarations into main. + */ + exec_node *insertion_point = + move_non_declarations(linked->ir, (exec_node *) &main_sig->body, false, + linked); + + for (unsigned i = 0; i < num_shaders; i++) { + if (shader_list[i] == main) + continue; + + insertion_point = move_non_declarations(shader_list[i]->ir, + insertion_point, true, linked); + } + + /* Resolve initializers for global variables in the linked shader. + */ + unsigned num_linking_shaders = num_shaders; + for (unsigned i = 0; i < num_shaders; i++) + num_linking_shaders += shader_list[i]->num_builtins_to_link; + + gl_shader **linking_shaders = + (gl_shader **) calloc(num_linking_shaders, sizeof(gl_shader *)); + + memcpy(linking_shaders, shader_list, + sizeof(linking_shaders[0]) * num_shaders); + + unsigned idx = num_shaders; + for (unsigned i = 0; i < num_shaders; i++) { + memcpy(&linking_shaders[idx], shader_list[i]->builtins_to_link, + sizeof(linking_shaders[0]) * shader_list[i]->num_builtins_to_link); + idx += shader_list[i]->num_builtins_to_link; + } + + assert(idx == num_linking_shaders); + + link_function_calls(prog, linked, linking_shaders, num_linking_shaders); + + free(linking_shaders); + + return linked; +} + + +struct uniform_node { + exec_node link; + struct gl_uniform *u; + unsigned slots; +}; + +/** + * Update the sizes of linked shader uniform arrays to the maximum + * array index used. + * + * From page 81 (page 95 of the PDF) of the OpenGL 2.1 spec: + * + * If one or more elements of an array are active, + * GetActiveUniform will return the name of the array in name, + * subject to the restrictions listed above. The type of the array + * is returned in type. The size parameter contains the highest + * array element index used, plus one. The compiler or linker + * determines the highest index used. There will be only one + * active uniform reported by the GL per uniform array. + + */ +static void +update_array_sizes(struct gl_shader_program *prog) +{ + for (unsigned i = 0; i < prog->_NumLinkedShaders; i++) { + foreach_list(node, prog->_LinkedShaders[i]->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if ((var == NULL) || (var->mode != ir_var_uniform && + var->mode != ir_var_in && + var->mode != ir_var_out) || + !var->type->is_array()) + continue; + + unsigned int size = var->max_array_access; + for (unsigned j = 0; j < prog->_NumLinkedShaders; j++) { + foreach_list(node2, prog->_LinkedShaders[j]->ir) { + ir_variable *other_var = ((ir_instruction *) node2)->as_variable(); + if (!other_var) + continue; + + if (strcmp(var->name, other_var->name) == 0 && + other_var->max_array_access > size) { + size = other_var->max_array_access; + } + } + } + + if (size + 1 != var->type->fields.array->length) { + var->type = glsl_type::get_array_instance(var->type->fields.array, + size + 1); + /* FINISHME: We should update the types of array + * dereferences of this variable now. + */ + } + } + } +} + +static void +add_uniform(void *mem_ctx, exec_list *uniforms, struct hash_table *ht, + const char *name, const glsl_type *type, GLenum shader_type, + unsigned *next_shader_pos, unsigned *total_uniforms) +{ + if (type->is_record()) { + for (unsigned int i = 0; i < type->length; i++) { + const glsl_type *field_type = type->fields.structure[i].type; + char *field_name = talloc_asprintf(mem_ctx, "%s.%s", name, + type->fields.structure[i].name); + + add_uniform(mem_ctx, uniforms, ht, field_name, field_type, + shader_type, next_shader_pos, total_uniforms); + } + } else { + uniform_node *n = (uniform_node *) hash_table_find(ht, name); + unsigned int vec4_slots; + const glsl_type *array_elem_type = NULL; + + if (type->is_array()) { + array_elem_type = type->fields.array; + /* Array of structures. */ + if (array_elem_type->is_record()) { + for (unsigned int i = 0; i < type->length; i++) { + char *elem_name = talloc_asprintf(mem_ctx, "%s[%d]", name, i); + add_uniform(mem_ctx, uniforms, ht, elem_name, array_elem_type, + shader_type, next_shader_pos, total_uniforms); + } + return; + } + } + + /* Fix the storage size of samplers at 1 vec4 each. Be sure to pad out + * vectors to vec4 slots. + */ + if (type->is_array()) { + if (array_elem_type->is_sampler()) + vec4_slots = type->length; + else + vec4_slots = type->length * array_elem_type->matrix_columns; + } else if (type->is_sampler()) { + vec4_slots = 1; + } else { + vec4_slots = type->matrix_columns; + } + + if (n == NULL) { + n = (uniform_node *) calloc(1, sizeof(struct uniform_node)); + n->u = (gl_uniform *) calloc(1, sizeof(struct gl_uniform)); + n->slots = vec4_slots; + + n->u->Name = strdup(name); + n->u->Type = type; + n->u->VertPos = -1; + n->u->FragPos = -1; + n->u->GeomPos = -1; + (*total_uniforms)++; + + hash_table_insert(ht, n, name); + uniforms->push_tail(& n->link); + } + + switch (shader_type) { + case GL_VERTEX_SHADER: + n->u->VertPos = *next_shader_pos; + break; + case GL_FRAGMENT_SHADER: + n->u->FragPos = *next_shader_pos; + break; + case GL_GEOMETRY_SHADER: + n->u->GeomPos = *next_shader_pos; + break; + } + + (*next_shader_pos) += vec4_slots; + } +} + +void +assign_uniform_locations(struct gl_shader_program *prog) +{ + /* */ + exec_list uniforms; + unsigned total_uniforms = 0; + hash_table *ht = hash_table_ctor(32, hash_table_string_hash, + hash_table_string_compare); + void *mem_ctx = talloc_new(NULL); + + for (unsigned i = 0; i < prog->_NumLinkedShaders; i++) { + unsigned next_position = 0; + + foreach_list(node, prog->_LinkedShaders[i]->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if ((var == NULL) || (var->mode != ir_var_uniform)) + continue; + + if (strncmp(var->name, "gl_", 3) == 0) { + /* At the moment, we don't allocate uniform locations for + * builtin uniforms. It's permitted by spec, and we'll + * likely switch to doing that at some point, but not yet. + */ + continue; + } + + var->location = next_position; + add_uniform(mem_ctx, &uniforms, ht, var->name, var->type, + prog->_LinkedShaders[i]->Type, + &next_position, &total_uniforms); + } + } + + talloc_free(mem_ctx); + + gl_uniform_list *ul = (gl_uniform_list *) + calloc(1, sizeof(gl_uniform_list)); + + ul->Size = total_uniforms; + ul->NumUniforms = total_uniforms; + ul->Uniforms = (gl_uniform *) calloc(total_uniforms, sizeof(gl_uniform)); + + unsigned idx = 0; + uniform_node *next; + for (uniform_node *node = (uniform_node *) uniforms.head + ; node->link.next != NULL + ; node = next) { + next = (uniform_node *) node->link.next; + + node->link.remove(); + memcpy(&ul->Uniforms[idx], node->u, sizeof(gl_uniform)); + idx++; + + free(node->u); + free(node); + } + + hash_table_dtor(ht); + + prog->Uniforms = ul; +} + + +/** + * Find a contiguous set of available bits in a bitmask + * + * \param used_mask Bits representing used (1) and unused (0) locations + * \param needed_count Number of contiguous bits needed. + * + * \return + * Base location of the available bits on success or -1 on failure. + */ +int +find_available_slots(unsigned used_mask, unsigned needed_count) +{ + unsigned needed_mask = (1 << needed_count) - 1; + const int max_bit_to_test = (8 * sizeof(used_mask)) - needed_count; + + /* The comparison to 32 is redundant, but without it GCC emits "warning: + * cannot optimize possibly infinite loops" for the loop below. + */ + if ((needed_count == 0) || (max_bit_to_test < 0) || (max_bit_to_test > 32)) + return -1; + + for (int i = 0; i <= max_bit_to_test; i++) { + if ((needed_mask & ~used_mask) == needed_mask) + return i; + + needed_mask <<= 1; + } + + return -1; +} + + +bool +assign_attribute_locations(gl_shader_program *prog, unsigned max_attribute_index) +{ + /* Mark invalid attribute locations as being used. + */ + unsigned used_locations = (max_attribute_index >= 32) + ? ~0 : ~((1 << max_attribute_index) - 1); + + gl_shader *const sh = prog->_LinkedShaders[0]; + assert(sh->Type == GL_VERTEX_SHADER); + + /* Operate in a total of four passes. + * + * 1. Invalidate the location assignments for all vertex shader inputs. + * + * 2. Assign locations for inputs that have user-defined (via + * glBindVertexAttribLocation) locatoins. + * + * 3. Sort the attributes without assigned locations by number of slots + * required in decreasing order. Fragmentation caused by attribute + * locations assigned by the application may prevent large attributes + * from having enough contiguous space. + * + * 4. Assign locations to any inputs without assigned locations. + */ + + invalidate_variable_locations(sh, ir_var_in, VERT_ATTRIB_GENERIC0); + + if (prog->Attributes != NULL) { + for (unsigned i = 0; i < prog->Attributes->NumParameters; i++) { + ir_variable *const var = + sh->symbols->get_variable(prog->Attributes->Parameters[i].Name); + + /* Note: attributes that occupy multiple slots, such as arrays or + * matrices, may appear in the attrib array multiple times. + */ + if ((var == NULL) || (var->location != -1)) + continue; + + /* From page 61 of the OpenGL 4.0 spec: + * + * "LinkProgram will fail if the attribute bindings assigned by + * BindAttribLocation do not leave not enough space to assign a + * location for an active matrix attribute or an active attribute + * array, both of which require multiple contiguous generic + * attributes." + * + * Previous versions of the spec contain similar language but omit the + * bit about attribute arrays. + * + * Page 61 of the OpenGL 4.0 spec also says: + * + * "It is possible for an application to bind more than one + * attribute name to the same location. This is referred to as + * aliasing. This will only work if only one of the aliased + * attributes is active in the executable program, or if no path + * through the shader consumes more than one attribute of a set + * of attributes aliased to the same location. A link error can + * occur if the linker determines that every path through the + * shader consumes multiple aliased attributes, but + * implementations are not required to generate an error in this + * case." + * + * These two paragraphs are either somewhat contradictory, or I don't + * fully understand one or both of them. + */ + /* FINISHME: The code as currently written does not support attribute + * FINISHME: location aliasing (see comment above). + */ + const int attr = prog->Attributes->Parameters[i].StateIndexes[0]; + const unsigned slots = count_attribute_slots(var->type); + + /* Mask representing the contiguous slots that will be used by this + * attribute. + */ + const unsigned use_mask = (1 << slots) - 1; + + /* Generate a link error if the set of bits requested for this + * attribute overlaps any previously allocated bits. + */ + if ((~(use_mask << attr) & used_locations) != used_locations) { + linker_error_printf(prog, + "insufficient contiguous attribute locations " + "available for vertex shader input `%s'", + var->name); + return false; + } + + var->location = VERT_ATTRIB_GENERIC0 + attr; + used_locations |= (use_mask << attr); + } + } + + /* Temporary storage for the set of attributes that need locations assigned. + */ + struct temp_attr { + unsigned slots; + ir_variable *var; + + /* Used below in the call to qsort. */ + static int compare(const void *a, const void *b) + { + const temp_attr *const l = (const temp_attr *) a; + const temp_attr *const r = (const temp_attr *) b; + + /* Reversed because we want a descending order sort below. */ + return r->slots - l->slots; + } + } to_assign[16]; + + unsigned num_attr = 0; + + foreach_list(node, sh->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if ((var == NULL) || (var->mode != ir_var_in)) + continue; + + /* The location was explicitly assigned, nothing to do here. + */ + if (var->location != -1) + continue; + + to_assign[num_attr].slots = count_attribute_slots(var->type); + to_assign[num_attr].var = var; + num_attr++; + } + + /* If all of the attributes were assigned locations by the application (or + * are built-in attributes with fixed locations), return early. This should + * be the common case. + */ + if (num_attr == 0) + return true; + + qsort(to_assign, num_attr, sizeof(to_assign[0]), temp_attr::compare); + + /* VERT_ATTRIB_GENERIC0 is a psdueo-alias for VERT_ATTRIB_POS. It can only + * be explicitly assigned by via glBindAttribLocation. Mark it as reserved + * to prevent it from being automatically allocated below. + */ + find_deref_visitor find("gl_Vertex"); + find.run(sh->ir); + if (find.variable_found()) + used_locations |= (1 << 0); + + for (unsigned i = 0; i < num_attr; i++) { + /* Mask representing the contiguous slots that will be used by this + * attribute. + */ + const unsigned use_mask = (1 << to_assign[i].slots) - 1; + + int location = find_available_slots(used_locations, to_assign[i].slots); + + if (location < 0) { + linker_error_printf(prog, + "insufficient contiguous attribute locations " + "available for vertex shader input `%s'", + to_assign[i].var->name); + return false; + } + + to_assign[i].var->location = VERT_ATTRIB_GENERIC0 + location; + used_locations |= (use_mask << location); + } + + return true; +} + + +/** + * Demote shader outputs that are not read to being just plain global variables + */ +void +demote_unread_shader_outputs(gl_shader *sh) +{ + foreach_list(node, sh->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if ((var == NULL) || (var->mode != ir_var_out)) + continue; + + /* An 'out' variable is only really a shader output if its value is read + * by the following stage. + */ + if (var->location == -1) { + var->mode = ir_var_auto; + } + } +} + + +void +assign_varying_locations(struct gl_shader_program *prog, + gl_shader *producer, gl_shader *consumer) +{ + /* FINISHME: Set dynamically when geometry shader support is added. */ + unsigned output_index = VERT_RESULT_VAR0; + unsigned input_index = FRAG_ATTRIB_VAR0; + + /* Operate in a total of three passes. + * + * 1. Assign locations for any matching inputs and outputs. + * + * 2. Mark output variables in the producer that do not have locations as + * not being outputs. This lets the optimizer eliminate them. + * + * 3. Mark input variables in the consumer that do not have locations as + * not being inputs. This lets the optimizer eliminate them. + */ + + invalidate_variable_locations(producer, ir_var_out, VERT_RESULT_VAR0); + invalidate_variable_locations(consumer, ir_var_in, FRAG_ATTRIB_VAR0); + + foreach_list(node, producer->ir) { + ir_variable *const output_var = ((ir_instruction *) node)->as_variable(); + + if ((output_var == NULL) || (output_var->mode != ir_var_out) + || (output_var->location != -1)) + continue; + + ir_variable *const input_var = + consumer->symbols->get_variable(output_var->name); + + if ((input_var == NULL) || (input_var->mode != ir_var_in)) + continue; + + assert(input_var->location == -1); + + output_var->location = output_index; + input_var->location = input_index; + + /* FINISHME: Support for "varying" records in GLSL 1.50. */ + assert(!output_var->type->is_record()); + + if (output_var->type->is_array()) { + const unsigned slots = output_var->type->length + * output_var->type->fields.array->matrix_columns; + + output_index += slots; + input_index += slots; + } else { + const unsigned slots = output_var->type->matrix_columns; + + output_index += slots; + input_index += slots; + } + } + + demote_unread_shader_outputs(producer); + + foreach_list(node, consumer->ir) { + ir_variable *const var = ((ir_instruction *) node)->as_variable(); + + if ((var == NULL) || (var->mode != ir_var_in)) + continue; + + if (var->location == -1) { + if (prog->Version <= 120) { + /* On page 25 (page 31 of the PDF) of the GLSL 1.20 spec: + * + * Only those varying variables used (i.e. read) in + * the fragment shader executable must be written to + * by the vertex shader executable; declaring + * superfluous varying variables in a vertex shader is + * permissible. + * + * We interpret this text as meaning that the VS must + * write the variable for the FS to read it. See + * "glsl1-varying read but not written" in piglit. + */ + + linker_error_printf(prog, "fragment shader varying %s not written " + "by vertex shader\n.", var->name); + prog->LinkStatus = false; + } + + /* An 'in' variable is only really a shader input if its + * value is written by the previous stage. + */ + var->mode = ir_var_auto; + } + } +} + + +void +link_shaders(GLcontext *ctx, struct gl_shader_program *prog) +{ + prog->LinkStatus = false; + prog->Validated = false; + prog->_Used = false; + + if (prog->InfoLog != NULL) + talloc_free(prog->InfoLog); + + prog->InfoLog = talloc_strdup(NULL, ""); + + /* Separate the shaders into groups based on their type. + */ + struct gl_shader **vert_shader_list; + unsigned num_vert_shaders = 0; + struct gl_shader **frag_shader_list; + unsigned num_frag_shaders = 0; + + vert_shader_list = (struct gl_shader **) + calloc(2 * prog->NumShaders, sizeof(struct gl_shader *)); + frag_shader_list = &vert_shader_list[prog->NumShaders]; + + unsigned min_version = UINT_MAX; + unsigned max_version = 0; + for (unsigned i = 0; i < prog->NumShaders; i++) { + min_version = MIN2(min_version, prog->Shaders[i]->Version); + max_version = MAX2(max_version, prog->Shaders[i]->Version); + + switch (prog->Shaders[i]->Type) { + case GL_VERTEX_SHADER: + vert_shader_list[num_vert_shaders] = prog->Shaders[i]; + num_vert_shaders++; + break; + case GL_FRAGMENT_SHADER: + frag_shader_list[num_frag_shaders] = prog->Shaders[i]; + num_frag_shaders++; + break; + case GL_GEOMETRY_SHADER: + /* FINISHME: Support geometry shaders. */ + assert(prog->Shaders[i]->Type != GL_GEOMETRY_SHADER); + break; + } + } + + /* Previous to GLSL version 1.30, different compilation units could mix and + * match shading language versions. With GLSL 1.30 and later, the versions + * of all shaders must match. + */ + assert(min_version >= 100); + assert(max_version <= 130); + if ((max_version >= 130 || min_version == 100) + && min_version != max_version) { + linker_error_printf(prog, "all shaders must use same shading " + "language version\n"); + goto done; + } + + prog->Version = max_version; + + for (unsigned int i = 0; i < prog->_NumLinkedShaders; i++) { + ctx->Driver.DeleteShader(ctx, prog->_LinkedShaders[i]); + } + + /* Link all shaders for a particular stage and validate the result. + */ + prog->_NumLinkedShaders = 0; + if (num_vert_shaders > 0) { + gl_shader *const sh = + link_intrastage_shaders(ctx, prog, vert_shader_list, num_vert_shaders); + + if (sh == NULL) + goto done; + + if (!validate_vertex_shader_executable(prog, sh)) + goto done; + + prog->_LinkedShaders[prog->_NumLinkedShaders] = sh; + prog->_NumLinkedShaders++; + } + + if (num_frag_shaders > 0) { + gl_shader *const sh = + link_intrastage_shaders(ctx, prog, frag_shader_list, num_frag_shaders); + + if (sh == NULL) + goto done; + + if (!validate_fragment_shader_executable(prog, sh)) + goto done; + + prog->_LinkedShaders[prog->_NumLinkedShaders] = sh; + prog->_NumLinkedShaders++; + } + + /* Here begins the inter-stage linking phase. Some initial validation is + * performed, then locations are assigned for uniforms, attributes, and + * varyings. + */ + if (cross_validate_uniforms(prog)) { + /* Validate the inputs of each stage with the output of the preceeding + * stage. + */ + for (unsigned i = 1; i < prog->_NumLinkedShaders; i++) { + if (!cross_validate_outputs_to_inputs(prog, + prog->_LinkedShaders[i - 1], + prog->_LinkedShaders[i])) + goto done; + } + + prog->LinkStatus = true; + } + + /* Do common optimization before assigning storage for attributes, + * uniforms, and varyings. Later optimization could possibly make + * some of that unused. + */ + for (unsigned i = 0; i < prog->_NumLinkedShaders; i++) { + while (do_common_optimization(prog->_LinkedShaders[i]->ir, true, 32)) + ; + } + + update_array_sizes(prog); + + assign_uniform_locations(prog); + + if (prog->_NumLinkedShaders && prog->_LinkedShaders[0]->Type == GL_VERTEX_SHADER) { + /* FINISHME: The value of the max_attribute_index parameter is + * FINISHME: implementation dependent based on the value of + * FINISHME: GL_MAX_VERTEX_ATTRIBS. GL_MAX_VERTEX_ATTRIBS must be + * FINISHME: at least 16, so hardcode 16 for now. + */ + if (!assign_attribute_locations(prog, 16)) + goto done; + + if (prog->_NumLinkedShaders == 1) + demote_unread_shader_outputs(prog->_LinkedShaders[0]); + } + + for (unsigned i = 1; i < prog->_NumLinkedShaders; i++) + assign_varying_locations(prog, + prog->_LinkedShaders[i - 1], + prog->_LinkedShaders[i]); + + /* FINISHME: Assign fragment shader output locations. */ + +done: + free(vert_shader_list); +} diff --git a/mesalib/src/glsl/linker.h b/mesalib/src/glsl/linker.h new file mode 100644 index 000000000..a8ce16a7e --- /dev/null +++ b/mesalib/src/glsl/linker.h @@ -0,0 +1,35 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef GLSL_LINKER_H +#define GLSL_LINKER_H + +extern void +linker_error_printf(gl_shader_program *prog, const char *fmt, ...); + +extern bool +link_function_calls(gl_shader_program *prog, gl_shader *main, + gl_shader **shader_list, unsigned num_shaders); + +#endif /* GLSL_LINKER_H */ diff --git a/mesalib/src/glsl/list.h b/mesalib/src/glsl/list.h new file mode 100644 index 000000000..3197b03cf --- /dev/null +++ b/mesalib/src/glsl/list.h @@ -0,0 +1,505 @@ +/* + * Copyright © 2008, 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file list.h + * \brief Doubly-linked list abstract container type. + * + * Each doubly-linked list has a sentinel head and tail node. These nodes + * contain no data. The head sentinel can be identified by its \c prev + * pointer being \c NULL. The tail sentinel can be identified by its + * \c next pointer being \c NULL. + * + * A list is empty if either the head sentinel's \c next pointer points to the + * tail sentinel or the tail sentinel's \c prev poiner points to the head + * sentinel. + * + * Instead of tracking two separate \c node structures and a \c list structure + * that points to them, the sentinel nodes are in a single structure. Noting + * that each sentinel node always has one \c NULL pointer, the \c NULL + * pointers occupy the same memory location. In the \c list structure + * contains a the following: + * + * - A \c head pointer that represents the \c next pointer of the + * head sentinel node. + * - A \c tail pointer that represents the \c prev pointer of the head + * sentinel node and the \c next pointer of the tail sentinel node. This + * pointer is \b always \c NULL. + * - A \c tail_prev pointer that represents the \c prev pointer of the + * tail sentinel node. + * + * Therefore, if \c head->next is \c NULL or \c tail_prev->prev is \c NULL, + * the list is empty. + * + * To anyone familiar with "exec lists" on the Amiga, this structure should + * be immediately recognizable. See the following link for the original Amiga + * operating system documentation on the subject. + * + * http://www.natami.net/dev/Libraries_Manual_guide/node02D7.html + * + * \author Ian Romanick <ian.d.romanick@intel.com> + */ + +#pragma once +#ifndef LIST_CONTAINER_H +#define LIST_CONTAINER_H + +#ifndef __cplusplus +#include <stddef.h> +#include <talloc.h> +#else +extern "C" { +#include <talloc.h> +} +#endif + +#include <assert.h> + +struct exec_node { + struct exec_node *next; + struct exec_node *prev; + +#ifdef __cplusplus + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *node; + + node = talloc_size(ctx, size); + assert(node != NULL); + + return node; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *node) + { + talloc_free(node); + } + + exec_node() : next(NULL), prev(NULL) + { + /* empty */ + } + + const exec_node *get_next() const + { + return next; + } + + exec_node *get_next() + { + return next; + } + + const exec_node *get_prev() const + { + return prev; + } + + exec_node *get_prev() + { + return prev; + } + + void remove() + { + next->prev = prev; + prev->next = next; + next = NULL; + prev = NULL; + } + + /** + * Link a node with itself + * + * This creates a sort of degenerate list that is occasionally useful. + */ + void self_link() + { + next = this; + prev = this; + } + + /** + * Insert a node in the list after the current node + */ + void insert_after(exec_node *after) + { + after->next = this->next; + after->prev = this; + + this->next->prev = after; + this->next = after; + } + /** + * Insert a node in the list before the current node + */ + void insert_before(exec_node *before) + { + before->next = this; + before->prev = this->prev; + + this->prev->next = before; + this->prev = before; + } + + /** + * Insert another list in the list before the current node + */ + void insert_before(struct exec_list *before); + + /** + * Replace the current node with the given node. + */ + void replace_with(exec_node *replacement) + { + replacement->prev = this->prev; + replacement->next = this->next; + + this->prev->next = replacement; + this->next->prev = replacement; + } + + /** + * Is this the sentinel at the tail of the list? + */ + bool is_tail_sentinel() const + { + return this->next == NULL; + } + + /** + * Is this the sentinel at the head of the list? + */ + bool is_head_sentinel() const + { + return this->prev == NULL; + } +#endif +}; + + +#ifdef __cplusplus +/* This macro will not work correctly if `t' uses virtual inheritance. If you + * are using virtual inheritance, you deserve a slow and painful death. Enjoy! + */ +#define exec_list_offsetof(t, f, p) \ + (((char *) &((t *) p)->f) - ((char *) p)) +#else +#define exec_list_offsetof(t, f, p) offsetof(t, f) +#endif + +/** + * Get a pointer to the structure containing an exec_node + * + * Given a pointer to an \c exec_node embedded in a structure, get a pointer to + * the containing structure. + * + * \param type Base type of the structure containing the node + * \param node Pointer to the \c exec_node + * \param field Name of the field in \c type that is the embedded \c exec_node + */ +#define exec_node_data(type, node, field) \ + ((type *) (((char *) node) - exec_list_offsetof(type, field, node))) + +#ifdef __cplusplus +struct exec_node; + +class iterator { +public: + void next() + { + } + + void *get() + { + return NULL; + } + + bool has_next() const + { + return false; + } +}; + +class exec_list_iterator : public iterator { +public: + exec_list_iterator(exec_node *n) : node(n), _next(n->next) + { + /* empty */ + } + + void next() + { + node = _next; + _next = node->next; + } + + void remove() + { + node->remove(); + } + + exec_node *get() + { + return node; + } + + bool has_next() const + { + return _next != NULL; + } + +private: + exec_node *node; + exec_node *_next; +}; + +#define foreach_iter(iter_type, iter, container) \ + for (iter_type iter = (container) . iterator(); iter.has_next(); iter.next()) +#endif + + +struct exec_list { + struct exec_node *head; + struct exec_node *tail; + struct exec_node *tail_pred; + +#ifdef __cplusplus + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *node; + + node = talloc_size(ctx, size); + assert(node != NULL); + + return node; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *node) + { + talloc_free(node); + } + + exec_list() + { + make_empty(); + } + + void make_empty() + { + head = (exec_node *) & tail; + tail = NULL; + tail_pred = (exec_node *) & head; + } + + bool is_empty() const + { + /* There are three ways to test whether a list is empty or not. + * + * - Check to see if the \c head points to the \c tail. + * - Check to see if the \c tail_pred points to the \c head. + * - Check to see if the \c head is the sentinel node by test whether its + * \c next pointer is \c NULL. + * + * The first two methods tend to generate better code on modern systems + * because they save a pointer dereference. + */ + return head == (exec_node *) &tail; + } + + const exec_node *get_head() const + { + return !is_empty() ? head : NULL; + } + + exec_node *get_head() + { + return !is_empty() ? head : NULL; + } + + const exec_node *get_tail() const + { + return !is_empty() ? tail_pred : NULL; + } + + exec_node *get_tail() + { + return !is_empty() ? tail_pred : NULL; + } + + void push_head(exec_node *n) + { + n->next = head; + n->prev = (exec_node *) &head; + + n->next->prev = n; + head = n; + } + + void push_tail(exec_node *n) + { + n->next = (exec_node *) &tail; + n->prev = tail_pred; + + n->prev->next = n; + tail_pred = n; + } + + void push_degenerate_list_at_head(exec_node *n) + { + assert(n->prev->next == n); + + n->prev->next = head; + head->prev = n->prev; + n->prev = (exec_node *) &head; + head = n; + } + + /** + * Remove the first node from a list and return it + * + * \return + * The first node in the list or \c NULL if the list is empty. + * + * \sa exec_list::get_head + */ + exec_node *pop_head() + { + exec_node *const n = this->get_head(); + if (n != NULL) + n->remove(); + + return n; + } + + /** + * Move all of the nodes from this list to the target list + */ + void move_nodes_to(exec_list *target) + { + if (is_empty()) { + target->make_empty(); + } else { + target->head = head; + target->tail = NULL; + target->tail_pred = tail_pred; + + target->head->prev = (exec_node *) &target->head; + target->tail_pred->next = (exec_node *) &target->tail; + + make_empty(); + } + } + + /** + * Append all nodes from the source list to the target list + */ + void + append_list(exec_list *source) + { + if (source->is_empty()) + return; + + /* Link the first node of the source with the last node of the target list. + */ + this->tail_pred->next = source->head; + source->head->prev = this->tail_pred; + + /* Make the tail of the source list be the tail of the target list. + */ + this->tail_pred = source->tail_pred; + this->tail_pred->next = (exec_node *) &this->tail; + + /* Make the source list empty for good measure. + */ + source->make_empty(); + } + + exec_list_iterator iterator() + { + return exec_list_iterator(head); + } + + exec_list_iterator iterator() const + { + return exec_list_iterator((exec_node *) head); + } +#endif +}; + + +#ifdef __cplusplus +inline void exec_node::insert_before(exec_list *before) +{ + if (before->is_empty()) + return; + + before->tail_pred->next = this; + before->head->prev = this->prev; + + this->prev->next = before->head; + this->prev = before->tail_pred; + + before->make_empty(); +} +#endif + +/** + * This version is safe even if the current node is removed. + */ +#define foreach_list_safe(__node, __list) \ + for (exec_node * __node = (__list)->head, * __next = __node->next \ + ; __next != NULL \ + ; __node = __next, __next = __next->next) + +#define foreach_list(__node, __list) \ + for (exec_node * __node = (__list)->head \ + ; (__node)->next != NULL \ + ; (__node) = (__node)->next) + +#define foreach_list_const(__node, __list) \ + for (const exec_node * __node = (__list)->head \ + ; (__node)->next != NULL \ + ; (__node) = (__node)->next) + +#define foreach_list_typed(__type, __node, __field, __list) \ + for (__type * __node = \ + exec_node_data(__type, (__list)->head, __field); \ + (__node)->__field.next != NULL; \ + (__node) = exec_node_data(__type, (__node)->__field.next, __field)) + +#define foreach_list_typed_const(__type, __node, __field, __list) \ + for (const __type * __node = \ + exec_node_data(__type, (__list)->head, __field); \ + (__node)->__field.next != NULL; \ + (__node) = exec_node_data(__type, (__node)->__field.next, __field)) + +#endif /* LIST_CONTAINER_H */ diff --git a/mesalib/src/glsl/loop_analysis.cpp b/mesalib/src/glsl/loop_analysis.cpp new file mode 100644 index 000000000..91e34da0e --- /dev/null +++ b/mesalib/src/glsl/loop_analysis.cpp @@ -0,0 +1,496 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "glsl_types.h" +#include "loop_analysis.h" +#include "ir_hierarchical_visitor.h" + +static bool is_loop_terminator(ir_if *ir); + +static bool all_expression_operands_are_loop_constant(ir_rvalue *, + hash_table *); + +static ir_rvalue *get_basic_induction_increment(ir_assignment *, hash_table *); + + +loop_state::loop_state() +{ + this->ht = hash_table_ctor(0, hash_table_pointer_hash, + hash_table_pointer_compare); + this->mem_ctx = talloc_init("loop state"); +} + + +loop_state::~loop_state() +{ + hash_table_dtor(this->ht); +} + + +loop_variable_state * +loop_state::insert(ir_loop *ir) +{ + loop_variable_state *ls = new(this->mem_ctx) loop_variable_state; + hash_table_insert(this->ht, ls, ir); + + return ls; +} + + +loop_variable_state * +loop_state::get(const ir_loop *ir) +{ + return (loop_variable_state *) hash_table_find(this->ht, ir); +} + + +loop_variable * +loop_variable_state::get(const ir_variable *ir) +{ + return (loop_variable *) hash_table_find(this->var_hash, ir); +} + + +loop_variable * +loop_variable_state::insert(ir_variable *var) +{ + void *mem_ctx = talloc_parent(this); + loop_variable *lv = talloc_zero(mem_ctx, loop_variable); + + lv->var = var; + + hash_table_insert(this->var_hash, lv, lv->var); + this->variables.push_tail(lv); + + return lv; +} + + +loop_terminator * +loop_variable_state::insert(ir_if *if_stmt) +{ + void *mem_ctx = talloc_parent(this); + loop_terminator *t = talloc_zero(mem_ctx, loop_terminator); + + t->ir = if_stmt; + this->terminators.push_tail(t); + + return t; +} + + +class loop_analysis : public ir_hierarchical_visitor { +public: + loop_analysis(); + + virtual ir_visitor_status visit(ir_loop_jump *); + virtual ir_visitor_status visit(ir_dereference_variable *); + + virtual ir_visitor_status visit_enter(ir_loop *); + virtual ir_visitor_status visit_leave(ir_loop *); + virtual ir_visitor_status visit_enter(ir_assignment *); + virtual ir_visitor_status visit_leave(ir_assignment *); + virtual ir_visitor_status visit_enter(ir_if *); + virtual ir_visitor_status visit_leave(ir_if *); + + loop_state *loops; + + int if_statement_depth; + + ir_assignment *current_assignment; + + exec_list state; +}; + + +loop_analysis::loop_analysis() +{ + this->loops = new loop_state; + + this->if_statement_depth = 0; + this->current_assignment = NULL; +} + + +ir_visitor_status +loop_analysis::visit(ir_loop_jump *ir) +{ + (void) ir; + + assert(!this->state.is_empty()); + + loop_variable_state *const ls = + (loop_variable_state *) this->state.get_head(); + + ls->num_loop_jumps++; + + return visit_continue; +} + + +ir_visitor_status +loop_analysis::visit(ir_dereference_variable *ir) +{ + /* If we're not somewhere inside a loop, there's nothing to do. + */ + if (this->state.is_empty()) + return visit_continue; + + loop_variable_state *const ls = + (loop_variable_state *) this->state.get_head(); + + ir_variable *var = ir->variable_referenced(); + loop_variable *lv = ls->get(var); + + if (lv == NULL) { + lv = ls->insert(var); + lv->read_before_write = !this->in_assignee; + } + + if (this->in_assignee) { + assert(this->current_assignment != NULL); + + lv->conditional_assignment = (this->if_statement_depth > 0) + || (this->current_assignment->condition != NULL); + + if (lv->first_assignment == NULL) { + assert(lv->num_assignments == 0); + + lv->first_assignment = this->current_assignment; + } + + lv->num_assignments++; + } else if (lv->first_assignment == this->current_assignment) { + /* This catches the case where the variable is used in the RHS of an + * assignment where it is also in the LHS. + */ + lv->read_before_write = true; + } + + return visit_continue; +} + +ir_visitor_status +loop_analysis::visit_enter(ir_loop *ir) +{ + loop_variable_state *ls = this->loops->insert(ir); + this->state.push_head(ls); + + return visit_continue; +} + +ir_visitor_status +loop_analysis::visit_leave(ir_loop *ir) +{ + loop_variable_state *const ls = + (loop_variable_state *) this->state.pop_head(); + + + foreach_list(node, &ir->body_instructions) { + /* Skip over declarations at the start of a loop. + */ + if (((ir_instruction *) node)->as_variable()) + continue; + + ir_if *if_stmt = ((ir_instruction *) node)->as_if(); + + if ((if_stmt != NULL) && is_loop_terminator(if_stmt)) + ls->insert(if_stmt); + else + break; + } + + + foreach_list_safe(node, &ls->variables) { + loop_variable *lv = (loop_variable *) node; + + /* Move variables that are already marked as being loop constant to + * a separate list. These trivially don't need to be tested. + */ + if (lv->is_loop_constant()) { + lv->remove(); + ls->constants.push_tail(lv); + } + } + + /* Each variable assigned in the loop that isn't already marked as being loop + * constant might still be loop constant. The requirements at this point + * are: + * + * - Variable is written before it is read. + * + * - Only one assignment to the variable. + * + * - All operands on the RHS of the assignment are also loop constants. + * + * The last requirement is the reason for the progress loop. A variable + * marked as a loop constant on one pass may allow other variables to be + * marked as loop constant on following passes. + */ + bool progress; + do { + progress = false; + + foreach_list_safe(node, &ls->variables) { + loop_variable *lv = (loop_variable *) node; + + if (lv->conditional_assignment || (lv->num_assignments > 1)) + continue; + + /* Process the RHS of the assignment. If all of the variables + * accessed there are loop constants, then add this + */ + ir_rvalue *const rhs = lv->first_assignment->rhs; + if (all_expression_operands_are_loop_constant(rhs, ls->var_hash)) { + lv->rhs_clean = true; + + if (lv->is_loop_constant()) { + progress = true; + + lv->remove(); + ls->constants.push_tail(lv); + } + } + } + } while (progress); + + /* The remaining variables that are not loop invariant might be loop + * induction variables. + */ + foreach_list_safe(node, &ls->variables) { + loop_variable *lv = (loop_variable *) node; + + /* If there is more than one assignment to a variable, it cannot be a + * loop induction variable. This isn't strictly true, but this is a + * very simple induction variable detector, and it can't handle more + * complex cases. + */ + if (lv->num_assignments > 1) + continue; + + /* All of the variables with zero assignments in the loop are loop + * invariant, and they should have already been filtered out. + */ + assert(lv->num_assignments == 1); + assert(lv->first_assignment != NULL); + + /* The assignmnet to the variable in the loop must be unconditional. + */ + if (lv->conditional_assignment) + continue; + + /* Basic loop induction variables have a single assignment in the loop + * that has the form 'VAR = VAR + i' or 'VAR = VAR - i' where i is a + * loop invariant. + */ + ir_rvalue *const inc = + get_basic_induction_increment(lv->first_assignment, ls->var_hash); + if (inc != NULL) { + lv->iv_scale = NULL; + lv->biv = lv->var; + lv->increment = inc; + + lv->remove(); + ls->induction_variables.push_tail(lv); + } + } + + return visit_continue; +} + +ir_visitor_status +loop_analysis::visit_enter(ir_if *ir) +{ + (void) ir; + + if (!this->state.is_empty()) + this->if_statement_depth++; + + return visit_continue; +} + +ir_visitor_status +loop_analysis::visit_leave(ir_if *ir) +{ + (void) ir; + + if (!this->state.is_empty()) + this->if_statement_depth--; + + return visit_continue; +} + +ir_visitor_status +loop_analysis::visit_enter(ir_assignment *ir) +{ + /* If we're not somewhere inside a loop, there's nothing to do. + */ + if (this->state.is_empty()) + return visit_continue_with_parent; + + this->current_assignment = ir; + + return visit_continue; +} + +ir_visitor_status +loop_analysis::visit_leave(ir_assignment *ir) +{ + /* Since the visit_enter exits with visit_continue_with_parent for this + * case, the loop state stack should never be empty here. + */ + assert(!this->state.is_empty()); + + assert(this->current_assignment == ir); + this->current_assignment = NULL; + + return visit_continue; +} + + +class examine_rhs : public ir_hierarchical_visitor { +public: + examine_rhs(hash_table *loop_variables) + { + this->only_uses_loop_constants = true; + this->loop_variables = loop_variables; + } + + virtual ir_visitor_status visit(ir_dereference_variable *ir) + { + loop_variable *lv = + (loop_variable *) hash_table_find(this->loop_variables, ir->var); + + assert(lv != NULL); + + if (lv->is_loop_constant()) { + return visit_continue; + } else { + this->only_uses_loop_constants = false; + return visit_stop; + } + } + + hash_table *loop_variables; + bool only_uses_loop_constants; +}; + + +bool +all_expression_operands_are_loop_constant(ir_rvalue *ir, hash_table *variables) +{ + examine_rhs v(variables); + + ir->accept(&v); + + return v.only_uses_loop_constants; +} + + +ir_rvalue * +get_basic_induction_increment(ir_assignment *ir, hash_table *var_hash) +{ + /* The RHS must be a binary expression. + */ + ir_expression *const rhs = ir->rhs->as_expression(); + if ((rhs == NULL) + || ((rhs->operation != ir_binop_add) + && (rhs->operation != ir_binop_sub))) + return NULL; + + /* One of the of operands of the expression must be the variable assigned. + * If the operation is subtraction, the variable in question must be the + * "left" operand. + */ + ir_variable *const var = ir->lhs->variable_referenced(); + + ir_variable *const op0 = rhs->operands[0]->variable_referenced(); + ir_variable *const op1 = rhs->operands[1]->variable_referenced(); + + if (((op0 != var) && (op1 != var)) + || ((op1 == var) && (rhs->operation == ir_binop_sub))) + return NULL; + + ir_rvalue *inc = (op0 == var) ? rhs->operands[1] : rhs->operands[0]; + + if (inc->as_constant() == NULL) { + ir_variable *const inc_var = inc->variable_referenced(); + if (inc_var != NULL) { + loop_variable *lv = + (loop_variable *) hash_table_find(var_hash, inc_var); + + if (!lv->is_loop_constant()) + inc = NULL; + } else + inc = NULL; + } + + if ((inc != NULL) && (rhs->operation == ir_binop_sub)) { + void *mem_ctx = talloc_parent(ir); + + inc = new(mem_ctx) ir_expression(ir_unop_neg, + inc->type, + inc->clone(mem_ctx, NULL), + NULL); + } + + return inc; +} + + +/** + * Detect whether an if-statement is a loop terminating condition + * + * Detects if-statements of the form + * + * (if (expression bool ...) (break)) + */ +bool +is_loop_terminator(ir_if *ir) +{ + if (!ir->else_instructions.is_empty()) + return false; + + ir_instruction *const inst = + (ir_instruction *) ir->then_instructions.get_head(); + assert(inst != NULL); + + if (inst->ir_type != ir_type_loop_jump) + return false; + + ir_loop_jump *const jump = (ir_loop_jump *) inst; + if (jump->mode != ir_loop_jump::jump_break) + return false; + + return true; +} + + +loop_state * +analyze_loop_variables(exec_list *instructions) +{ + loop_analysis v; + + v.run(instructions); + return v.loops; +} diff --git a/mesalib/src/glsl/loop_analysis.h b/mesalib/src/glsl/loop_analysis.h new file mode 100644 index 000000000..7b0511fbb --- /dev/null +++ b/mesalib/src/glsl/loop_analysis.h @@ -0,0 +1,230 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef LOOP_ANALYSIS_H +#define LOOP_ANALYSIS_H + +#include "ir.h" +#include "program/hash_table.h" + +/** + * Analyze and classify all variables used in all loops in the instruction list + */ +extern class loop_state * +analyze_loop_variables(exec_list *instructions); + + +/** + * Fill in loop control fields + * + * Based on analysis of loop variables, this function tries to remove sequences + * in the loop of the form + * + * (if (expression bool ...) (break)) + * + * and fill in the \c ir_loop::from, \c ir_loop::to, and \c ir_loop::counter + * fields of the \c ir_loop. + * + * In this process, some conditional break-statements may be eliminated + * altogether. For example, if it is provable that one loop exit condition will + * always be satisfied before another, the unnecessary exit condition will be + * removed. + */ +extern bool +set_loop_controls(exec_list *instructions, loop_state *ls); + + +extern bool +unroll_loops(exec_list *instructions, loop_state *ls, unsigned max_iterations); + + +/** + * Tracking for all variables used in a loop + */ +class loop_variable_state : public exec_node { +public: + class loop_variable *get(const ir_variable *); + class loop_variable *insert(ir_variable *); + class loop_terminator *insert(ir_if *); + + + /** + * Loop whose variable state is being tracked by this structure + */ + ir_loop *loop; + + /** + * Variables that have not yet been classified + */ + exec_list variables; + + /** + * Variables whose values are constant within the body of the loop + * + * This list contains \c loop_variable objects. + */ + exec_list constants; + + /** + * Induction variables for this loop + * + * This list contains \c loop_variable objects. + */ + exec_list induction_variables; + + /** + * Simple if-statements that lead to the termination of the loop + * + * This list contains \c loop_terminator objects. + * + * \sa is_loop_terminator + */ + exec_list terminators; + + /** + * Hash table containing all variables accessed in this loop + */ + hash_table *var_hash; + + /** + * Maximum number of loop iterations. + * + * If this value is negative, then the loop may be infinite. This actually + * means that analysis was unable to determine an upper bound on the number + * of loop iterations. + */ + int max_iterations; + + /** + * Number of ir_loop_jump instructions that operate on this loop + */ + unsigned num_loop_jumps; + + loop_variable_state() + { + this->max_iterations = -1; + this->num_loop_jumps = 0; + this->var_hash = hash_table_ctor(0, hash_table_pointer_hash, + hash_table_pointer_compare); + } + + ~loop_variable_state() + { + hash_table_dtor(this->var_hash); + } +}; + + +class loop_variable : public exec_node { +public: + /** The variable in question. */ + ir_variable *var; + + /** Is the variable read in the loop before it is written? */ + bool read_before_write; + + /** Are all variables in the RHS of the assignment loop constants? */ + bool rhs_clean; + + /** Is there an assignment to the variable that is conditional? */ + bool conditional_assignment; + + /** Reference to the first assignment to the variable in the loop body. */ + ir_assignment *first_assignment; + + /** Number of assignments to the variable in the loop body. */ + unsigned num_assignments; + + /** + * Increment values for loop induction variables + * + * Loop induction variables have a single increment of the form + * \c b * \c biv + \c c, where \c b and \c c are loop constants and \c i + * is a basic loop induction variable. + * + * If \c iv_scale is \c NULL, 1 is used. If \c biv is the same as \c var, + * then \c var is a basic loop induction variable. + */ + /*@{*/ + ir_rvalue *iv_scale; + ir_variable *biv; + ir_rvalue *increment; + /*@}*/ + + + inline bool is_loop_constant() const + { + const bool is_const = (this->num_assignments == 0) + || ((this->num_assignments == 1) + && !this->conditional_assignment + && !this->read_before_write + && this->rhs_clean); + + /* If the RHS of *the* assignment is clean, then there must be exactly + * one assignment of the variable. + */ + assert((this->rhs_clean && (this->num_assignments == 1)) + || !this->rhs_clean); + + /* Variables that are marked read-only *MUST* be loop constant. + */ + assert(!this->var->read_only || (this->var->read_only && is_const)); + + return is_const; + } +}; + + +class loop_terminator : public exec_node { +public: + ir_if *ir; +}; + + +class loop_state { +public: + ~loop_state(); + + /** + * Get the loop variable state data for a particular loop + */ + loop_variable_state *get(const ir_loop *); + + loop_variable_state *insert(ir_loop *ir); + +private: + loop_state(); + + /** + * Hash table containing all loops that have been analyzed. + */ + hash_table *ht; + + void *mem_ctx; + + friend class loop_analysis; +}; + +#endif /* LOOP_ANALYSIS_H */ diff --git a/mesalib/src/glsl/loop_controls.cpp b/mesalib/src/glsl/loop_controls.cpp new file mode 100644 index 000000000..2ef3d3052 --- /dev/null +++ b/mesalib/src/glsl/loop_controls.cpp @@ -0,0 +1,301 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <climits> +#include "main/compiler.h" +#include "glsl_types.h" +#include "loop_analysis.h" +#include "ir_hierarchical_visitor.h" + +/** + * Find an initializer of a variable outside a loop + * + * Works backwards from the loop to find the pre-loop value of the variable. + * This is used, for example, to find the initial value of loop induction + * variables. + * + * \param loop Loop where \c var is an induction variable + * \param var Variable whose initializer is to be found + * + * \return + * The \c ir_rvalue assigned to the variable outside the loop. May return + * \c NULL if no initializer can be found. + */ +ir_rvalue * +find_initial_value(ir_loop *loop, ir_variable *var) +{ + for (exec_node *node = loop->prev; + !node->is_head_sentinel(); + node = node->prev) { + ir_instruction *ir = (ir_instruction *) node; + + switch (ir->ir_type) { + case ir_type_call: + case ir_type_loop: + case ir_type_loop_jump: + case ir_type_return: + case ir_type_if: + return NULL; + + case ir_type_function: + case ir_type_function_signature: + assert(!"Should not get here."); + return NULL; + + case ir_type_assignment: { + ir_assignment *assign = ir->as_assignment(); + ir_variable *assignee = assign->lhs->whole_variable_referenced(); + + if (assignee == var) + return (assign->condition != NULL) ? NULL : assign->rhs; + + break; + } + + default: + break; + } + } + + return NULL; +} + + +int +calculate_iterations(ir_rvalue *from, ir_rvalue *to, ir_rvalue *increment, + enum ir_expression_operation op) +{ + void *mem_ctx = talloc_init("%s", __func__); + + ir_expression *const sub = + new(mem_ctx) ir_expression(ir_binop_sub, from->type, to, from); + + ir_expression *const div = + new(mem_ctx) ir_expression(ir_binop_div, sub->type, sub, increment); + + ir_constant *iter = div->constant_expression_value(); + + if (iter == NULL) + return -1; + + if (!iter->type->is_integer()) { + ir_rvalue *cast = + new(mem_ctx) ir_expression(ir_unop_f2i, glsl_type::int_type, iter, + NULL); + + iter = cast->constant_expression_value(); + } + + int iter_value = iter->get_int_component(0); + + /* Make sure that the calculated number of iterations satisfies the exit + * condition. This is needed to catch off-by-one errors and some types of + * ill-formed loops. For example, we need to detect that the following + * loop does not have a maximum iteration count. + * + * for (float x = 0.0; x != 0.9; x += 0.2) + * ; + */ + const int bias[] = { -1, 0, 1 }; + bool valid_loop = false; + + for (unsigned i = 0; i < Elements(bias); i++) { + iter = (increment->type->is_integer()) + ? new(mem_ctx) ir_constant(iter_value + bias[i]) + : new(mem_ctx) ir_constant(float(iter_value + bias[i])); + + ir_expression *const mul = + new(mem_ctx) ir_expression(ir_binop_mul, increment->type, iter, + increment); + + ir_expression *const add = + new(mem_ctx) ir_expression(ir_binop_add, mul->type, mul, from); + + ir_expression *const cmp = + new(mem_ctx) ir_expression(op, glsl_type::bool_type, add, to); + + ir_constant *const cmp_result = cmp->constant_expression_value(); + + assert(cmp_result != NULL); + if (cmp_result->get_bool_component(0)) { + iter_value += bias[i]; + valid_loop = true; + break; + } + } + + talloc_free(mem_ctx); + return (valid_loop) ? iter_value : -1; +} + + +class loop_control_visitor : public ir_hierarchical_visitor { +public: + loop_control_visitor(loop_state *state) + { + this->state = state; + this->progress = false; + } + + virtual ir_visitor_status visit_leave(ir_loop *ir); + + loop_state *state; + + bool progress; +}; + + +ir_visitor_status +loop_control_visitor::visit_leave(ir_loop *ir) +{ + loop_variable_state *const ls = this->state->get(ir); + + /* If we've entered a loop that hasn't been analyzed, something really, + * really bad has happened. + */ + if (ls == NULL) { + assert(ls != NULL); + return visit_continue; + } + + /* Search the loop terminating conditions for one of the form 'i < c' where + * i is a loop induction variable, c is a constant, and < is any relative + * operator. + */ + int max_iterations = ls->max_iterations; + + if(ir->from && ir->to && ir->increment) + max_iterations = calculate_iterations(ir->from, ir->to, ir->increment, (ir_expression_operation)ir->cmp); + + if(max_iterations < 0) + max_iterations = INT_MAX; + + foreach_list(node, &ls->terminators) { + loop_terminator *t = (loop_terminator *) node; + ir_if *if_stmt = t->ir; + + /* If-statements can be either 'if (expr)' or 'if (deref)'. We only care + * about the former here. + */ + ir_expression *cond = if_stmt->condition->as_expression(); + if (cond == NULL) + continue; + + switch (cond->operation) { + case ir_binop_less: + case ir_binop_greater: + case ir_binop_lequal: + case ir_binop_gequal: { + /* The expressions that we care about will either be of the form + * 'counter < limit' or 'limit < counter'. Figure out which is + * which. + */ + ir_rvalue *counter = cond->operands[0]->as_dereference_variable(); + ir_constant *limit = cond->operands[1]->as_constant(); + enum ir_expression_operation cmp = cond->operation; + + if (limit == NULL) { + counter = cond->operands[1]->as_dereference_variable(); + limit = cond->operands[0]->as_constant(); + + switch (cmp) { + case ir_binop_less: cmp = ir_binop_gequal; break; + case ir_binop_greater: cmp = ir_binop_lequal; break; + case ir_binop_lequal: cmp = ir_binop_greater; break; + case ir_binop_gequal: cmp = ir_binop_less; break; + default: assert(!"Should not get here."); + } + } + + if ((counter == NULL) || (limit == NULL)) + break; + + ir_variable *var = counter->variable_referenced(); + + ir_rvalue *init = find_initial_value(ir, var); + + foreach_list(iv_node, &ls->induction_variables) { + loop_variable *lv = (loop_variable *) iv_node; + + if (lv->var == var) { + const int iterations = calculate_iterations(init, limit, + lv->increment, + cmp); + if (iterations >= 0) { + /* If the new iteration count is lower than the previously + * believed iteration count, update the loop control values. + */ + if (iterations < max_iterations) { + ir->from = init->clone(ir, NULL); + ir->to = limit->clone(ir, NULL); + ir->increment = lv->increment->clone(ir, NULL); + ir->counter = lv->var; + ir->cmp = cmp; + + max_iterations = iterations; + } + + /* Remove the conditional break statement. The loop + * controls are now set such that the exit condition will be + * satisfied. + */ + if_stmt->remove(); + + assert(ls->num_loop_jumps > 0); + ls->num_loop_jumps--; + + this->progress = true; + } + + break; + } + } + break; + } + + default: + break; + } + } + + /* If we have proven the one of the loop exit conditions is satisifed before + * running the loop once, remove the loop. + */ + if (max_iterations == 0) + ir->remove(); + else + ls->max_iterations = max_iterations; + + return visit_continue; +} + + +bool +set_loop_controls(exec_list *instructions, loop_state *ls) +{ + loop_control_visitor v(ls); + + v.run(instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/loop_unroll.cpp b/mesalib/src/glsl/loop_unroll.cpp new file mode 100644 index 000000000..90797bde3 --- /dev/null +++ b/mesalib/src/glsl/loop_unroll.cpp @@ -0,0 +1,187 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "glsl_types.h" +#include "loop_analysis.h" +#include "ir_hierarchical_visitor.h" + +class loop_unroll_visitor : public ir_hierarchical_visitor { +public: + loop_unroll_visitor(loop_state *state, unsigned max_iterations) + { + this->state = state; + this->progress = false; + this->max_iterations = max_iterations; + } + + virtual ir_visitor_status visit_leave(ir_loop *ir); + + loop_state *state; + + bool progress; + unsigned max_iterations; +}; + + +ir_visitor_status +loop_unroll_visitor::visit_leave(ir_loop *ir) +{ + loop_variable_state *const ls = this->state->get(ir); + int iterations; + + /* If we've entered a loop that hasn't been analyzed, something really, + * really bad has happened. + */ + if (ls == NULL) { + assert(ls != NULL); + return visit_continue; + } + + iterations = ls->max_iterations; + + /* Don't try to unroll loops where the number of iterations is not known + * at compile-time. + */ + if (iterations < 0) + return visit_continue; + + /* Don't try to unroll loops that have zillions of iterations either. + */ + if (iterations > max_iterations) + return visit_continue; + + if (ls->num_loop_jumps > 1) + return visit_continue; + else if (ls->num_loop_jumps) { + /* recognize loops in the form produced by ir_lower_jumps */ + ir_instruction *last_ir = + ((ir_instruction*)ir->body_instructions.get_tail()); + + assert(last_ir != NULL); + + ir_if *last_if = last_ir->as_if(); + if (last_if) { + bool continue_from_then_branch; + + /* Determine which if-statement branch, if any, ends with a break. + * The branch that did *not* have the break will get a temporary + * continue inserted in each iteration of the loop unroll. + * + * Note that since ls->num_loop_jumps is <= 1, it is impossible for + * both branches to end with a break. + */ + ir_instruction *last = + (ir_instruction *) last_if->then_instructions.get_tail(); + + if (last && last->ir_type == ir_type_loop_jump + && ((ir_loop_jump*) last)->is_break()) { + continue_from_then_branch = false; + } else { + last = (ir_instruction *) last_if->then_instructions.get_tail(); + + if (last && last->ir_type == ir_type_loop_jump + && ((ir_loop_jump*) last)->is_break()) + continue_from_then_branch = true; + else + /* Bail out if neither if-statement branch ends with a break. + */ + return visit_continue; + } + + /* Remove the break from the if-statement. + */ + last->remove(); + + void *const mem_ctx = talloc_parent(ir); + ir_instruction *ir_to_replace = ir; + + for (int i = 0; i < iterations; i++) { + exec_list copy_list; + + copy_list.make_empty(); + clone_ir_list(mem_ctx, ©_list, &ir->body_instructions); + + last_if = ((ir_instruction*)copy_list.get_tail())->as_if(); + assert(last_if); + + ir_to_replace->insert_before(©_list); + ir_to_replace->remove(); + + /* placeholder that will be removed in the next iteration */ + ir_to_replace = + new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_continue); + + exec_list *const list = (continue_from_then_branch) + ? &last_if->then_instructions : &last_if->else_instructions; + + list->push_tail(ir_to_replace); + } + + ir_to_replace->remove(); + + this->progress = true; + return visit_continue; + } else if (last_ir->ir_type == ir_type_loop_jump + && ((ir_loop_jump *)last_ir)->is_break()) { + /* If the only loop-jump is a break at the end of the loop, the loop + * will execute exactly once. Remove the break, set the iteration + * count, and fall through to the normal unroller. + */ + last_ir->remove(); + iterations = 1; + + this->progress = true; + } else + return visit_continue; + } + + void *const mem_ctx = talloc_parent(ir); + + for (int i = 0; i < iterations; i++) { + exec_list copy_list; + + copy_list.make_empty(); + clone_ir_list(mem_ctx, ©_list, &ir->body_instructions); + + ir->insert_before(©_list); + } + + /* The loop has been replaced by the unrolled copies. Remove the original + * loop from the IR sequence. + */ + ir->remove(); + + this->progress = true; + return visit_continue; +} + + +bool +unroll_loops(exec_list *instructions, loop_state *ls, unsigned max_iterations) +{ + loop_unroll_visitor v(ls, max_iterations); + + v.run(instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/lower_noise.cpp b/mesalib/src/glsl/lower_noise.cpp new file mode 100644 index 000000000..cb32d2834 --- /dev/null +++ b/mesalib/src/glsl/lower_noise.cpp @@ -0,0 +1,71 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file lower_noise.cpp + * IR lower pass to remove noise opcodes. + * + * \author Ian Romanick <ian.d.romanick@intel.com> + */ + +#include "ir.h" +#include "ir_rvalue_visitor.h" + +class lower_noise_visitor : public ir_rvalue_visitor { +public: + lower_noise_visitor() : progress(false) + { + /* empty */ + } + + void handle_rvalue(ir_rvalue **rvalue) + { + if (!*rvalue) + return; + + ir_expression *expr = (*rvalue)->as_expression(); + if (!expr) + return; + + /* In the future, ir_unop_noise may be replaced by a call to a function + * that implements noise. No hardware has a noise instruction. + */ + if (expr->operation == ir_unop_noise) { + *rvalue = ir_constant::zero(talloc_parent(expr), expr->type); + this->progress = true; + } + } + + bool progress; +}; + + +bool +lower_noise(exec_list *instructions) +{ + lower_noise_visitor v; + + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/lower_variable_index_to_cond_assign.cpp b/mesalib/src/glsl/lower_variable_index_to_cond_assign.cpp new file mode 100644 index 000000000..5f0dd7311 --- /dev/null +++ b/mesalib/src/glsl/lower_variable_index_to_cond_assign.cpp @@ -0,0 +1,358 @@ +/* + * Copyright © 2010 Luca Barbieri + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file lower_variable_index_to_cond_assign.cpp + * + * Turns non-constant indexing into array types to a series of + * conditional moves of each element into a temporary. + * + * Pre-DX10 GPUs often don't have a native way to do this operation, + * and this works around that. + */ + +#include "ir.h" +#include "ir_rvalue_visitor.h" +#include "ir_optimization.h" +#include "glsl_types.h" +#include "main/macros.h" + +struct assignment_generator +{ + ir_instruction* base_ir; + ir_rvalue* array; + bool is_write; + ir_variable* var; + + assignment_generator() + { + } + + void generate(unsigned i, ir_rvalue* condition, exec_list *list) const + { + /* Just clone the rest of the deref chain when trying to get at the + * underlying variable. + */ + void *mem_ctx = talloc_parent(base_ir); + ir_rvalue *element = + new(mem_ctx) ir_dereference_array(this->array->clone(mem_ctx, NULL), + new(mem_ctx) ir_constant(i)); + ir_rvalue *variable = new(mem_ctx) ir_dereference_variable(this->var); + + ir_assignment *assignment = (is_write) + ? new(mem_ctx) ir_assignment(element, variable, condition) + : new(mem_ctx) ir_assignment(variable, element, condition); + + list->push_tail(assignment); + } +}; + +struct switch_generator +{ + /* make TFunction a template parameter if you need to use other generators */ + typedef assignment_generator TFunction; + const TFunction& generator; + + ir_variable* index; + unsigned linear_sequence_max_length; + unsigned condition_components; + + void *mem_ctx; + + switch_generator(const TFunction& generator, ir_variable *index, + unsigned linear_sequence_max_length, + unsigned condition_components) + : generator(generator), index(index), + linear_sequence_max_length(linear_sequence_max_length), + condition_components(condition_components) + { + this->mem_ctx = talloc_parent(index); + } + + void linear_sequence(unsigned begin, unsigned end, exec_list *list) + { + if (begin == end) + return; + + /* If the array access is a read, read the first element of this subregion + * unconditionally. The remaining tests will possibly overwrite this + * value with one of the other array elements. + * + * This optimization cannot be done for writes because it will cause the + * first element of the subregion to be written possibly *in addition* to + * one of the other elements. + */ + unsigned first; + if (!this->generator.is_write) { + this->generator.generate(begin, 0, list); + first = begin + 1; + } else { + first = begin; + } + + for (unsigned i = first; i < end; i += 4) { + const unsigned comps = MIN2(condition_components, end - i); + + ir_rvalue *broadcast_index = + new(this->mem_ctx) ir_dereference_variable(index); + + if (comps) { + const ir_swizzle_mask m = { 0, 0, 0, 0, comps, false }; + broadcast_index = new(this->mem_ctx) ir_swizzle(broadcast_index, m); + } + + /* Compare the desired index value with the next block of four indices. + */ + ir_constant_data test_indices_data; + memset(&test_indices_data, 0, sizeof(test_indices_data)); + test_indices_data.i[0] = i; + test_indices_data.i[1] = i + 1; + test_indices_data.i[2] = i + 2; + test_indices_data.i[3] = i + 3; + ir_constant *const test_indices = + new(this->mem_ctx) ir_constant(broadcast_index->type, + &test_indices_data); + + ir_rvalue *const condition_val = + new(this->mem_ctx) ir_expression(ir_binop_equal, + &glsl_type::bool_type[comps - 1], + broadcast_index, + test_indices); + + ir_variable *const condition = + new(this->mem_ctx) ir_variable(condition_val->type, + "dereference_array_condition", + ir_var_temporary); + list->push_tail(condition); + + ir_rvalue *const cond_deref = + new(this->mem_ctx) ir_dereference_variable(condition); + list->push_tail(new(this->mem_ctx) ir_assignment(cond_deref, + condition_val, 0)); + + if (comps == 1) { + ir_rvalue *const cond_deref = + new(this->mem_ctx) ir_dereference_variable(condition); + + this->generator.generate(i, cond_deref, list); + } else { + for (unsigned j = 0; j < comps; j++) { + ir_rvalue *const cond_deref = + new(this->mem_ctx) ir_dereference_variable(condition); + ir_rvalue *const cond_swiz = + new(this->mem_ctx) ir_swizzle(cond_deref, j, 0, 0, 0, 1); + + this->generator.generate(i + j, cond_swiz, list); + } + } + } + } + + void bisect(unsigned begin, unsigned end, exec_list *list) + { + unsigned middle = (begin + end) >> 1; + + assert(index->type->is_integer()); + + ir_constant *const middle_c = (index->type->base_type == GLSL_TYPE_UINT) + ? new(this->mem_ctx) ir_constant((unsigned)middle) + : new(this->mem_ctx) ir_constant((int)middle); + + + ir_dereference_variable *deref = + new(this->mem_ctx) ir_dereference_variable(this->index); + + ir_expression *less = + new(this->mem_ctx) ir_expression(ir_binop_less, glsl_type::bool_type, + deref, middle_c); + + ir_if *if_less = new(this->mem_ctx) ir_if(less); + + generate(begin, middle, &if_less->then_instructions); + generate(middle, end, &if_less->else_instructions); + + list->push_tail(if_less); + } + + void generate(unsigned begin, unsigned end, exec_list *list) + { + unsigned length = end - begin; + if (length <= this->linear_sequence_max_length) + return linear_sequence(begin, end, list); + else + return bisect(begin, end, list); + } +}; + +/** + * Visitor class for replacing expressions with ir_constant values. + */ + +class variable_index_to_cond_assign_visitor : public ir_rvalue_visitor { +public: + variable_index_to_cond_assign_visitor(bool lower_input, + bool lower_output, + bool lower_temp, + bool lower_uniform) + { + this->progress = false; + this->lower_inputs = lower_input; + this->lower_outputs = lower_output; + this->lower_temps = lower_temp; + this->lower_uniforms = lower_uniform; + } + + bool progress; + bool lower_inputs; + bool lower_outputs; + bool lower_temps; + bool lower_uniforms; + + bool is_array_or_matrix(const ir_instruction *ir) const + { + return (ir->type->is_array() || ir->type->is_matrix()); + } + + bool needs_lowering(ir_dereference_array *deref) const + { + if (deref == NULL || deref->array_index->as_constant() + || !is_array_or_matrix(deref->array)) + return false; + + if (deref->array->ir_type == ir_type_constant) + return this->lower_temps; + + const ir_variable *const var = deref->array->variable_referenced(); + switch (var->mode) { + case ir_var_auto: + case ir_var_temporary: + return this->lower_temps; + case ir_var_uniform: + return this->lower_uniforms; + case ir_var_in: + return (var->location == -1) ? this->lower_temps : this->lower_inputs; + case ir_var_out: + return (var->location == -1) ? this->lower_temps : this->lower_outputs; + case ir_var_inout: + return this->lower_temps; + } + + assert(!"Should not get here."); + return false; + } + + ir_variable *convert_dereference_array(ir_dereference_array *orig_deref, + ir_rvalue* value) + { + assert(is_array_or_matrix(orig_deref->array)); + + const unsigned length = (orig_deref->array->type->is_array()) + ? orig_deref->array->type->length + : orig_deref->array->type->matrix_columns; + + void *const mem_ctx = talloc_parent(base_ir); + ir_variable *var = + new(mem_ctx) ir_variable(orig_deref->type, "dereference_array_value", + ir_var_temporary); + base_ir->insert_before(var); + + if (value) { + ir_dereference *lhs = new(mem_ctx) ir_dereference_variable(var); + ir_assignment *assign = new(mem_ctx) ir_assignment(lhs, value, NULL); + + base_ir->insert_before(assign); + } + + /* Store the index to a temporary to avoid reusing its tree. */ + ir_variable *index = + new(mem_ctx) ir_variable(orig_deref->array_index->type, + "dereference_array_index", ir_var_temporary); + base_ir->insert_before(index); + + ir_dereference *lhs = new(mem_ctx) ir_dereference_variable(index); + ir_assignment *assign = + new(mem_ctx) ir_assignment(lhs, orig_deref->array_index, NULL); + base_ir->insert_before(assign); + + assignment_generator ag; + ag.array = orig_deref->array; + ag.base_ir = base_ir; + ag.var = var; + ag.is_write = !!value; + + switch_generator sg(ag, index, 4, 4); + + exec_list list; + sg.generate(0, length, &list); + base_ir->insert_before(&list); + + return var; + } + + virtual void handle_rvalue(ir_rvalue **pir) + { + if (!*pir) + return; + + ir_dereference_array* orig_deref = (*pir)->as_dereference_array(); + if (needs_lowering(orig_deref)) { + ir_variable* var = convert_dereference_array(orig_deref, 0); + assert(var); + *pir = new(talloc_parent(base_ir)) ir_dereference_variable(var); + this->progress = true; + } + } + + ir_visitor_status + visit_leave(ir_assignment *ir) + { + ir_rvalue_visitor::visit_leave(ir); + + ir_dereference_array *orig_deref = ir->lhs->as_dereference_array(); + + if (needs_lowering(orig_deref)) { + convert_dereference_array(orig_deref, ir->rhs); + ir->remove(); + this->progress = true; + } + + return visit_continue; + } +}; + +bool +lower_variable_index_to_cond_assign(exec_list *instructions, + bool lower_input, + bool lower_output, + bool lower_temp, + bool lower_uniform) +{ + variable_index_to_cond_assign_visitor v(lower_input, + lower_output, + lower_temp, + lower_uniform); + + visit_list_elements(&v, instructions); + + return v.progress; +} diff --git a/mesalib/src/glsl/main.cpp b/mesalib/src/glsl/main.cpp new file mode 100644 index 000000000..94c14a58a --- /dev/null +++ b/mesalib/src/glsl/main.cpp @@ -0,0 +1,330 @@ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <cstdlib> +#include <cstdio> +#include <getopt.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> + +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" +#include "ir_optimization.h" +#include "ir_print_visitor.h" +#include "program.h" +#include "loop_analysis.h" + +extern "C" struct gl_shader * +_mesa_new_shader(GLcontext *ctx, GLuint name, GLenum type); + +/* Copied from shader_api.c for the stand-alone compiler. + */ +struct gl_shader * +_mesa_new_shader(GLcontext *ctx, GLuint name, GLenum type) +{ + struct gl_shader *shader; + + (void) ctx; + + assert(type == GL_FRAGMENT_SHADER || type == GL_VERTEX_SHADER); + shader = talloc_zero(NULL, struct gl_shader); + if (shader) { + shader->Type = type; + shader->Name = name; + shader->RefCount = 1; + } + return shader; +} + +static void +initialize_context(GLcontext *ctx, gl_api api) +{ + memset(ctx, 0, sizeof(*ctx)); + + ctx->API = api; + + ctx->Extensions.ARB_draw_buffers = GL_TRUE; + ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE; + ctx->Extensions.EXT_texture_array = GL_TRUE; + ctx->Extensions.NV_texture_rectangle = GL_TRUE; + + /* 1.10 minimums. */ + ctx->Const.MaxLights = 8; + ctx->Const.MaxClipPlanes = 8; + ctx->Const.MaxTextureUnits = 2; + + /* More than the 1.10 minimum to appease parser tests taken from + * apps that (hopefully) already checked the number of coords. + */ + ctx->Const.MaxTextureCoordUnits = 4; + + ctx->Const.VertexProgram.MaxAttribs = 16; + ctx->Const.VertexProgram.MaxUniformComponents = 512; + ctx->Const.MaxVarying = 8; + ctx->Const.MaxVertexTextureImageUnits = 0; + ctx->Const.MaxCombinedTextureImageUnits = 2; + ctx->Const.MaxTextureImageUnits = 2; + ctx->Const.FragmentProgram.MaxUniformComponents = 64; + + ctx->Const.MaxDrawBuffers = 2; + + ctx->Driver.NewShader = _mesa_new_shader; +} + +/* Returned string will have 'ctx' as its talloc owner. */ +static char * +load_text_file(void *ctx, const char *file_name) +{ + char *text = NULL; + struct stat st; + ssize_t total_read = 0; + int fd = open(file_name, O_RDONLY); + + if (fd < 0) { + return NULL; + } + + if (fstat(fd, & st) == 0) { + text = (char *) talloc_size(ctx, st.st_size + 1); + if (text != NULL) { + do { + ssize_t bytes = read(fd, text + total_read, + st.st_size - total_read); + if (bytes < 0) { + free(text); + text = NULL; + break; + } + + if (bytes == 0) { + break; + } + + total_read += bytes; + } while (total_read < st.st_size); + + text[total_read] = '\0'; + } + } + + close(fd); + + return text; +} + + +void +usage_fail(const char *name) +{ + printf("%s <filename.frag|filename.vert>\n", name); + exit(EXIT_FAILURE); +} + + +int glsl_es = 0; +int dump_ast = 0; +int dump_hir = 0; +int dump_lir = 0; +int do_link = 0; + +const struct option compiler_opts[] = { + { "glsl-es", 0, &glsl_es, 1 }, + { "dump-ast", 0, &dump_ast, 1 }, + { "dump-hir", 0, &dump_hir, 1 }, + { "dump-lir", 0, &dump_lir, 1 }, + { "link", 0, &do_link, 1 }, + { NULL, 0, NULL, 0 } +}; + +void +compile_shader(GLcontext *ctx, struct gl_shader *shader) +{ + struct _mesa_glsl_parse_state *state = + new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader); + + const char *source = shader->Source; + state->error = preprocess(state, &source, &state->info_log, + state->extensions, ctx->API); + + if (!state->error) { + _mesa_glsl_lexer_ctor(state, source); + _mesa_glsl_parse(state); + _mesa_glsl_lexer_dtor(state); + } + + if (dump_ast) { + foreach_list_const(n, &state->translation_unit) { + ast_node *ast = exec_node_data(ast_node, n, link); + ast->print(); + } + printf("\n\n"); + } + + shader->ir = new(shader) exec_list; + if (!state->error && !state->translation_unit.is_empty()) + _mesa_ast_to_hir(shader->ir, state); + + /* Print out the unoptimized IR. */ + if (!state->error && dump_hir) { + validate_ir_tree(shader->ir); + _mesa_print_ir(shader->ir, state); + } + + /* Optimization passes */ + if (!state->error && !shader->ir->is_empty()) { + bool progress; + do { + progress = false; + + progress = do_function_inlining(shader->ir) || progress; + progress = do_if_simplification(shader->ir) || progress; + progress = do_copy_propagation(shader->ir) || progress; + progress = do_dead_code_local(shader->ir) || progress; + progress = do_dead_code_unlinked(shader->ir) || progress; + progress = do_tree_grafting(shader->ir) || progress; + progress = do_constant_propagation(shader->ir) || progress; + progress = do_constant_variable_unlinked(shader->ir) || progress; + progress = do_constant_folding(shader->ir) || progress; + progress = do_algebraic(shader->ir) || progress; + progress = do_vec_index_to_swizzle(shader->ir) || progress; + progress = do_vec_index_to_cond_assign(shader->ir) || progress; + progress = do_swizzle_swizzle(shader->ir) || progress; + + loop_state *ls = analyze_loop_variables(shader->ir); + progress = set_loop_controls(shader->ir, ls) || progress; + progress = unroll_loops(shader->ir, ls, 32) || progress; + delete ls; + } while (progress); + + validate_ir_tree(shader->ir); + } + + + /* Print out the resulting IR */ + if (!state->error && dump_lir) { + _mesa_print_ir(shader->ir, state); + } + + shader->symbols = state->symbols; + shader->CompileStatus = !state->error; + shader->Version = state->language_version; + memcpy(shader->builtins_to_link, state->builtins_to_link, + sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link); + shader->num_builtins_to_link = state->num_builtins_to_link; + + if (shader->InfoLog) + talloc_free(shader->InfoLog); + + shader->InfoLog = state->info_log; + + /* Retain any live IR, but trash the rest. */ + reparent_ir(shader->ir, shader); + + talloc_free(state); + + return; +} + +int +main(int argc, char **argv) +{ + int status = EXIT_SUCCESS; + GLcontext local_ctx; + GLcontext *ctx = &local_ctx; + + int c; + int idx = 0; + while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) + /* empty */ ; + + + if (argc <= optind) + usage_fail(argv[0]); + + initialize_context(ctx, (glsl_es) ? API_OPENGLES2 : API_OPENGL); + + struct gl_shader_program *whole_program; + + whole_program = talloc_zero (NULL, struct gl_shader_program); + assert(whole_program != NULL); + + for (/* empty */; argc > optind; optind++) { + whole_program->Shaders = (struct gl_shader **) + talloc_realloc(whole_program, whole_program->Shaders, + struct gl_shader *, whole_program->NumShaders + 1); + assert(whole_program->Shaders != NULL); + + struct gl_shader *shader = talloc_zero(whole_program, gl_shader); + + whole_program->Shaders[whole_program->NumShaders] = shader; + whole_program->NumShaders++; + + const unsigned len = strlen(argv[optind]); + if (len < 6) + usage_fail(argv[0]); + + const char *const ext = & argv[optind][len - 5]; + if (strncmp(".vert", ext, 5) == 0) + shader->Type = GL_VERTEX_SHADER; + else if (strncmp(".geom", ext, 5) == 0) + shader->Type = GL_GEOMETRY_SHADER; + else if (strncmp(".frag", ext, 5) == 0) + shader->Type = GL_FRAGMENT_SHADER; + else + usage_fail(argv[0]); + + shader->Source = load_text_file(whole_program, argv[optind]); + if (shader->Source == NULL) { + printf("File \"%s\" does not exist.\n", argv[optind]); + exit(EXIT_FAILURE); + } + + compile_shader(ctx, shader); + + if (!shader->CompileStatus) { + printf("Info log for %s:\n%s\n", argv[optind], shader->InfoLog); + status = EXIT_FAILURE; + break; + } + } + + if ((status == EXIT_SUCCESS) && do_link) { + link_shaders(ctx, whole_program); + status = (whole_program->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE; + + if (strlen(whole_program->InfoLog) > 0) + printf("Info log for linking:\n%s\n", whole_program->InfoLog); + } + + for (unsigned i = 0; i < whole_program->_NumLinkedShaders; i++) + talloc_free(whole_program->_LinkedShaders[i]); + + talloc_free(whole_program); + _mesa_glsl_release_types(); + _mesa_glsl_release_functions(); + + return status; +} diff --git a/mesalib/src/glsl/opt_redundant_jumps.cpp b/mesalib/src/glsl/opt_redundant_jumps.cpp new file mode 100644 index 000000000..edf4bb6c2 --- /dev/null +++ b/mesalib/src/glsl/opt_redundant_jumps.cpp @@ -0,0 +1,111 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file opt_redundant_jumps.cpp + * Remove certain types of redundant jumps + */ + +#include "ir.h" + +class redundant_jumps_visitor : public ir_hierarchical_visitor { +public: + redundant_jumps_visitor() + { + this->progress = false; + } + + virtual ir_visitor_status visit_leave(ir_if *); + virtual ir_visitor_status visit_leave(ir_loop *); + + bool progress; +}; + + +ir_visitor_status +redundant_jumps_visitor::visit_leave(ir_if *ir) +{ + /* If the last instruction in both branches is a 'break' or a 'continue', + * pull it out of the branches and insert it after the if-statment. Note + * that both must be the same type (either 'break' or 'continue'). + */ + ir_instruction *const last_then = + (ir_instruction *) ir->then_instructions.get_tail(); + ir_instruction *const last_else = + (ir_instruction *) ir->else_instructions.get_tail(); + + if ((last_then == NULL) || (last_else == NULL)) + return visit_continue; + + if ((last_then->ir_type != ir_type_loop_jump) + || (last_else->ir_type != ir_type_loop_jump)) + return visit_continue; + + ir_loop_jump *const then_jump = (ir_loop_jump *) last_then; + ir_loop_jump *const else_jump = (ir_loop_jump *) last_else; + + if (then_jump->mode != else_jump->mode) + return visit_continue; + + then_jump->remove(); + else_jump->remove(); + this->progress = true; + + ir->insert_after(then_jump); + + /* If both branchs of the if-statement are now empty, remove the + * if-statement. + */ + if (ir->then_instructions.is_empty() && ir->else_instructions.is_empty()) + ir->remove(); + + return visit_continue; +} + + +ir_visitor_status +redundant_jumps_visitor::visit_leave(ir_loop *ir) +{ + /* If the last instruction of a loop body is a 'continue', remove it. + */ + ir_instruction *const last = + (ir_instruction *) ir->body_instructions.get_tail(); + + if (last && (last->ir_type == ir_type_loop_jump) + && (((ir_loop_jump *) last)->mode == ir_loop_jump::jump_continue)) { + last->remove(); + this->progress = true; + } + + return visit_continue; +} + + +bool +optimize_redundant_jumps(exec_list *instructions) +{ + redundant_jumps_visitor v; + + v.run(instructions); + return v.progress; +} diff --git a/mesalib/src/glsl/pp/Makefile b/mesalib/src/glsl/pp/Makefile deleted file mode 100644 index fda1c4202..000000000 --- a/mesalib/src/glsl/pp/Makefile +++ /dev/null @@ -1,27 +0,0 @@ -#src/glsl/pp/Makefile - -TOP = ../../.. - -include $(TOP)/configs/current - -LIBNAME = glslpp - -C_SOURCES = \ - sl_pp_context.c \ - sl_pp_define.c \ - sl_pp_dict.c \ - sl_pp_error.c \ - sl_pp_expression.c \ - sl_pp_extension.c \ - sl_pp_if.c \ - sl_pp_line.c \ - sl_pp_macro.c \ - sl_pp_pragma.c \ - sl_pp_process.c \ - sl_pp_purify.c \ - sl_pp_token.c \ - sl_pp_token_util.c \ - sl_pp_version.c - -include ../Makefile.template - diff --git a/mesalib/src/glsl/pp/sl_pp_context.c b/mesalib/src/glsl/pp/sl_pp_context.c deleted file mode 100644 index 74a9bdddf..000000000 --- a/mesalib/src/glsl/pp/sl_pp_context.c +++ /dev/null @@ -1,182 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_public.h" -#include "sl_pp_context.h" - - -struct sl_pp_context * -sl_pp_context_create(const char *input, - const struct sl_pp_purify_options *options) -{ - struct sl_pp_context *context; - - context = calloc(1, sizeof(struct sl_pp_context)); - if (!context) { - return NULL; - } - - if (sl_pp_dict_init(context)) { - sl_pp_context_destroy(context); - return NULL; - } - - context->getc_buf_capacity = 64; - context->getc_buf = malloc(context->getc_buf_capacity * sizeof(char)); - if (!context->getc_buf) { - sl_pp_context_destroy(context); - return NULL; - } - - if (sl_pp_token_buffer_init(&context->tokens, context)) { - sl_pp_context_destroy(context); - return NULL; - } - - context->macro_tail = &context->macro; - context->if_ptr = SL_PP_MAX_IF_NESTING; - context->if_value = 1; - memset(context->error_msg, 0, sizeof(context->error_msg)); - context->error_line = 1; - context->line = 1; - context->file = 0; - - sl_pp_purify_state_init(&context->pure, input, options); - - memset(&context->process_state, 0, sizeof(context->process_state)); - - return context; -} - -void -sl_pp_context_destroy(struct sl_pp_context *context) -{ - if (context) { - free(context->cstr_pool); - sl_pp_macro_free(context->macro); - free(context->getc_buf); - sl_pp_token_buffer_destroy(&context->tokens); - free(context->process_state.out); - free(context); - } -} - -const char * -sl_pp_context_error_message(const struct sl_pp_context *context) -{ - return context->error_msg; -} - -void -sl_pp_context_error_position(const struct sl_pp_context *context, - unsigned int *file, - unsigned int *line) -{ - if (file) { - *file = 0; - } - if (line) { - *line = context->error_line; - } -} - -int -sl_pp_context_add_predefined(struct sl_pp_context *context, - const char *name, - const char *value) -{ - struct sl_pp_predefined pre; - - if (context->num_predefined == SL_PP_MAX_PREDEFINED) { - return -1; - } - - pre.name = sl_pp_context_add_unique_str(context, name); - if (pre.name == -1) { - return -1; - } - - pre.value = sl_pp_context_add_unique_str(context, value); - if (pre.value == -1) { - return -1; - } - - context->predefined[context->num_predefined++] = pre; - return 0; -} - -int -sl_pp_context_add_unique_str(struct sl_pp_context *context, - const char *str) -{ - unsigned int size; - unsigned int offset = 0; - - size = strlen(str) + 1; - - /* Find out if this is a unique string. */ - while (offset < context->cstr_pool_len) { - const char *str2; - unsigned int size2; - - str2 = &context->cstr_pool[offset]; - size2 = strlen(str2) + 1; - if (size == size2 && !memcmp(str, str2, size - 1)) { - return offset; - } - - offset += size2; - } - - if (context->cstr_pool_len + size > context->cstr_pool_max) { - context->cstr_pool_max = (context->cstr_pool_len + size + 0xffff) & ~0xffff; - context->cstr_pool = realloc(context->cstr_pool, context->cstr_pool_max); - } - - if (!context->cstr_pool) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - offset = context->cstr_pool_len; - memcpy(&context->cstr_pool[offset], str, size); - context->cstr_pool_len += size; - - return offset; -} - -const char * -sl_pp_context_cstr(const struct sl_pp_context *context, - int offset) -{ - if (offset == -1) { - return NULL; - } - return &context->cstr_pool[offset]; -} diff --git a/mesalib/src/glsl/pp/sl_pp_context.h b/mesalib/src/glsl/pp/sl_pp_context.h deleted file mode 100644 index 8abb9708b..000000000 --- a/mesalib/src/glsl/pp/sl_pp_context.h +++ /dev/null @@ -1,100 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_CONTEXT_H -#define SL_PP_CONTEXT_H - -#include "sl_pp_dict.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" -#include "sl_pp_purify.h" -#include "sl_pp_token_util.h" - - -#define SL_PP_MAX_IF_NESTING 64 - -#define SL_PP_MAX_ERROR_MSG 1024 - -#define SL_PP_MAX_EXTENSIONS 16 - -#define SL_PP_MAX_PREDEFINED 16 - -struct sl_pp_extension { - int name; /*< GL_VENDOR_extension_name */ -}; - -struct sl_pp_predefined { - int name; - int value; -}; - -union sl_pp_if_state { - struct { - unsigned int condition:1; - unsigned int went_thru_else:1; - unsigned int had_true_cond:1; - } u; - unsigned int value; -}; - -struct sl_pp_context { - char *cstr_pool; - unsigned int cstr_pool_max; - unsigned int cstr_pool_len; - struct sl_pp_dict dict; - - struct sl_pp_macro *macro; - struct sl_pp_macro **macro_tail; - - struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS]; - unsigned int num_extensions; - - struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED]; - unsigned int num_predefined; - - union sl_pp_if_state if_stack[SL_PP_MAX_IF_NESTING]; - unsigned int if_ptr; - unsigned int if_value; - - char error_msg[SL_PP_MAX_ERROR_MSG]; - unsigned int error_line; - - unsigned int line; - unsigned int file; - - struct sl_pp_purify_state pure; - - char *getc_buf; - unsigned int getc_buf_size; - unsigned int getc_buf_capacity; - - struct sl_pp_token_buffer tokens; - - struct sl_pp_process_state process_state; -}; - -#endif /* SL_PP_CONTEXT_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_define.c b/mesalib/src/glsl/pp/sl_pp_define.c deleted file mode 100644 index 808a6a0d4..000000000 --- a/mesalib/src/glsl/pp/sl_pp_define.c +++ /dev/null @@ -1,238 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" - - -static void -skip_whitespace(const struct sl_pp_token_info *input, - unsigned int *first, - unsigned int last) -{ - while (*first < last && input[*first].token == SL_PP_WHITESPACE) { - (*first)++; - } -} - - -static int -_parse_formal_args(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int *first, - unsigned int last, - struct sl_pp_macro *macro) -{ - struct sl_pp_macro_formal_arg **arg; - - macro->num_args = 0; - - skip_whitespace(input, first, last); - if (*first < last) { - if (input[*first].token == SL_PP_RPAREN) { - (*first)++; - return 0; - } - } else { - strcpy(context->error_msg, "expected either macro formal argument or `)'"); - return -1; - } - - arg = ¯o->arg; - - for (;;) { - if (*first < last && input[*first].token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected macro formal argument"); - return -1; - } - - *arg = malloc(sizeof(struct sl_pp_macro_formal_arg)); - if (!*arg) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - (**arg).name = input[*first].data.identifier; - (*first)++; - - (**arg).next = NULL; - arg = &(**arg).next; - - macro->num_args++; - - skip_whitespace(input, first, last); - if (*first < last) { - if (input[*first].token == SL_PP_COMMA) { - (*first)++; - skip_whitespace(input, first, last); - } else if (input[*first].token == SL_PP_RPAREN) { - (*first)++; - return 0; - } else { - strcpy(context->error_msg, "expected either `,' or `)'"); - return -1; - } - } else { - strcpy(context->error_msg, "expected either `,' or `)'"); - return -1; - } - } - - /* Should not gete here. */ -} - - -int -sl_pp_process_define(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - int macro_name = -1; - struct sl_pp_macro *macro; - unsigned int i; - unsigned int body_len; - unsigned int j; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - macro_name = input[first].data.identifier; - first++; - } - if (macro_name == -1) { - strcpy(context->error_msg, "expected macro name"); - return -1; - } - - /* Check for reserved macro names */ - { - const char *name = sl_pp_context_cstr(context, macro_name); - - if (strstr(name, "__")) { - strcpy(context->error_msg, "macro names containing `__' are reserved"); - return 1; - } - if (name[0] == 'G' && name[1] == 'L' && name[2] == '_') { - strcpy(context->error_msg, "macro names prefixed with `GL_' are reserved"); - return 1; - } - } - - for (macro = context->macro; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - - if (!macro) { - macro = sl_pp_macro_new(); - if (!macro) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - *context->macro_tail = macro; - context->macro_tail = ¯o->next; - } else { - sl_pp_macro_reset(macro); - } - - macro->name = macro_name; - - /* - * If there is no whitespace between macro name and left paren, a macro - * formal argument list follows. This is the only place where the presence - * of a whitespace matters and it's the only reason why we are dealing - * with whitespace at this level. - */ - if (first < last && input[first].token == SL_PP_LPAREN) { - first++; - if (_parse_formal_args(context, input, &first, last, macro)) { - return -1; - } - } - - /* Calculate body size, trim out whitespace, make room for EOF. */ - body_len = 1; - for (i = first; i < last; i++) { - if (input[i].token != SL_PP_WHITESPACE) { - body_len++; - } - } - - macro->body = malloc(sizeof(struct sl_pp_token_info) * body_len); - if (!macro->body) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - for (j = 0, i = first; i < last; i++) { - if (input[i].token != SL_PP_WHITESPACE) { - macro->body[j++] = input[i]; - } - } - macro->body[j++].token = SL_PP_EOF; - - return 0; -} - - -int -sl_pp_process_undef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - int macro_name = -1; - struct sl_pp_macro **pmacro; - struct sl_pp_macro *macro; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - macro_name = input[first].data.identifier; - } - if (macro_name == -1) { - return 0; - } - - for (pmacro = &context->macro; *pmacro; pmacro = &(**pmacro).next) { - if ((**pmacro).name == macro_name) { - break; - } - } - if (!*pmacro) { - return 0; - } - - macro = *pmacro; - *pmacro = macro->next; - macro->next = NULL; - sl_pp_macro_free(macro); - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_dict.c b/mesalib/src/glsl/pp/sl_pp_dict.c deleted file mode 100644 index 062139e6a..000000000 --- a/mesalib/src/glsl/pp/sl_pp_dict.c +++ /dev/null @@ -1,85 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include "sl_pp_public.h" -#include "sl_pp_context.h" -#include "sl_pp_dict.h" - - -#define ADD_NAME_STR(CTX, NAME, STR)\ - do {\ - (CTX)->dict.NAME = sl_pp_context_add_unique_str((CTX), (STR));\ - if ((CTX)->dict.NAME == -1) {\ - return -1;\ - }\ - } while (0) - -#define ADD_NAME(CTX, NAME) ADD_NAME_STR(CTX, NAME, #NAME) - - -int -sl_pp_dict_init(struct sl_pp_context *context) -{ - ADD_NAME(context, all); - - ADD_NAME(context, require); - ADD_NAME(context, enable); - ADD_NAME(context, warn); - ADD_NAME(context, disable); - - ADD_NAME(context, defined); - - ADD_NAME_STR(context, ___LINE__, "__LINE__"); - ADD_NAME_STR(context, ___FILE__, "__FILE__"); - ADD_NAME_STR(context, ___VERSION__, "__VERSION__"); - - ADD_NAME(context, optimize); - ADD_NAME(context, debug); - - ADD_NAME(context, off); - ADD_NAME(context, on); - - ADD_NAME(context, define); - ADD_NAME(context, elif); - ADD_NAME_STR(context, _else, "else"); - ADD_NAME(context, endif); - ADD_NAME(context, error); - ADD_NAME(context, extension); - ADD_NAME_STR(context, _if, "if"); - ADD_NAME(context, ifdef); - ADD_NAME(context, ifndef); - ADD_NAME(context, line); - ADD_NAME(context, pragma); - ADD_NAME(context, undef); - - ADD_NAME(context, version); - - ADD_NAME_STR(context, _0, "0"); - ADD_NAME_STR(context, _1, "1"); - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_dict.h b/mesalib/src/glsl/pp/sl_pp_dict.h deleted file mode 100644 index 875217bd3..000000000 --- a/mesalib/src/glsl/pp/sl_pp_dict.h +++ /dev/null @@ -1,77 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_DICT_H -#define SL_PP_DICT_H - - -struct sl_pp_context; - -struct sl_pp_dict { - int all; - - int require; - int enable; - int warn; - int disable; - - int defined; - - int ___LINE__; - int ___FILE__; - int ___VERSION__; - - int optimize; - int debug; - - int off; - int on; - - int define; - int elif; - int _else; - int endif; - int error; - int extension; - int _if; - int ifdef; - int ifndef; - int line; - int pragma; - int undef; - - int version; - - int _0; - int _1; -}; - - -int -sl_pp_dict_init(struct sl_pp_context *context); - -#endif /* SL_PP_DICT_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_error.c b/mesalib/src/glsl/pp/sl_pp_error.c deleted file mode 100644 index b628e37ce..000000000 --- a/mesalib/src/glsl/pp/sl_pp_error.c +++ /dev/null @@ -1,270 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" - - -void -sl_pp_process_error(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - unsigned int out_len = 0; - unsigned int i; - - for (i = first; i < last; i++) { - const char *s = NULL; - char buf[2]; - - switch (input[i].token) { - case SL_PP_WHITESPACE: - s = " "; - break; - - case SL_PP_NEWLINE: - s = "\n"; - break; - - case SL_PP_HASH: - s = "#"; - break; - - case SL_PP_COMMA: - s = ","; - break; - - case SL_PP_SEMICOLON: - s = ";"; - break; - - case SL_PP_LBRACE: - s = "{"; - break; - - case SL_PP_RBRACE: - s = "}"; - break; - - case SL_PP_LPAREN: - s = "("; - break; - - case SL_PP_RPAREN: - s = ")"; - break; - - case SL_PP_LBRACKET: - s = "["; - break; - - case SL_PP_RBRACKET: - s = "]"; - break; - - case SL_PP_DOT: - s = "."; - break; - - case SL_PP_INCREMENT: - s = "++"; - break; - - case SL_PP_ADDASSIGN: - s = "+="; - break; - - case SL_PP_PLUS: - s = "+"; - break; - - case SL_PP_DECREMENT: - s = "--"; - break; - - case SL_PP_SUBASSIGN: - s = "-="; - break; - - case SL_PP_MINUS: - s = "-"; - break; - - case SL_PP_BITNOT: - s = "~"; - break; - - case SL_PP_NOTEQUAL: - s = "!="; - break; - - case SL_PP_NOT: - s = "!"; - break; - - case SL_PP_MULASSIGN: - s = "*="; - break; - - case SL_PP_STAR: - s = "*"; - break; - - case SL_PP_DIVASSIGN: - s = "/="; - break; - - case SL_PP_SLASH: - s = "/"; - break; - - case SL_PP_MODASSIGN: - s = "%="; - break; - - case SL_PP_MODULO: - s = "%"; - break; - - case SL_PP_LSHIFTASSIGN: - s = "<<="; - break; - - case SL_PP_LSHIFT: - s = "<<"; - break; - - case SL_PP_LESSEQUAL: - s = "<="; - break; - - case SL_PP_LESS: - s = "<"; - break; - - case SL_PP_RSHIFTASSIGN: - s = ">>="; - break; - - case SL_PP_RSHIFT: - s = ">>"; - break; - - case SL_PP_GREATEREQUAL: - s = ">="; - break; - - case SL_PP_GREATER: - s = ">"; - break; - - case SL_PP_EQUAL: - s = "=="; - break; - - case SL_PP_ASSIGN: - s = "="; - break; - - case SL_PP_AND: - s = "&&"; - break; - - case SL_PP_BITANDASSIGN: - s = "&="; - break; - - case SL_PP_BITAND: - s = "&"; - break; - - case SL_PP_XOR: - s = "^^"; - break; - - case SL_PP_BITXORASSIGN: - s = "^="; - break; - - case SL_PP_BITXOR: - s = "^"; - break; - - case SL_PP_OR: - s = "||"; - break; - - case SL_PP_BITORASSIGN: - s = "|="; - break; - - case SL_PP_BITOR: - s = "|"; - break; - - case SL_PP_QUESTION: - s = "?"; - break; - - case SL_PP_COLON: - s = ":"; - break; - - case SL_PP_IDENTIFIER: - s = sl_pp_context_cstr(context, input[i].data.identifier); - break; - - case SL_PP_UINT: - s = sl_pp_context_cstr(context, input[i].data._uint); - break; - - case SL_PP_FLOAT: - s = sl_pp_context_cstr(context, input[i].data._float); - break; - - case SL_PP_OTHER: - buf[0] = input[i].data.other; - buf[1] = '\0'; - s = buf; - break; - - default: - strcpy(context->error_msg, "internal error"); - return; - } - - while (*s != '\0' && out_len < sizeof(context->error_msg) - 1) { - context->error_msg[out_len++] = *s++; - } - } - - context->error_msg[out_len] = '\0'; -} diff --git a/mesalib/src/glsl/pp/sl_pp_expression.c b/mesalib/src/glsl/pp/sl_pp_expression.c deleted file mode 100644 index ec904787d..000000000 --- a/mesalib/src/glsl/pp/sl_pp_expression.c +++ /dev/null @@ -1,411 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_expression.h" -#include "sl_pp_public.h" - - -struct parse_context { - struct sl_pp_context *context; - const struct sl_pp_token_info *input; -}; - -static int -_parse_or(struct parse_context *ctx, - int *result); - -static int -_parse_primary(struct parse_context *ctx, - int *result) -{ - if (ctx->input->token == SL_PP_UINT) { - *result = atoi(sl_pp_context_cstr(ctx->context, ctx->input->data._uint)); - ctx->input++; - } else { - if (ctx->input->token != SL_PP_LPAREN) { - strcpy(ctx->context->error_msg, "expected `('"); - return -1; - } - ctx->input++; - if (_parse_or(ctx, result)) { - return -1; - } - if (ctx->input->token != SL_PP_RPAREN) { - strcpy(ctx->context->error_msg, "expected `)'"); - return -1; - } - ctx->input++; - } - return 0; -} - -static int -_parse_unary(struct parse_context *ctx, - int *result) -{ - if (!_parse_primary(ctx, result)) { - return 0; - } - - switch (ctx->input->token) { - case SL_PP_PLUS: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = +*result; - break; - - case SL_PP_MINUS: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = -*result; - break; - - case SL_PP_NOT: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = !*result; - break; - - case SL_PP_BITNOT: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = ~*result; - break; - - default: - return -1; - } - - return 0; -} - -static int -_parse_multiplicative(struct parse_context *ctx, - int *result) -{ - if (_parse_unary(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_STAR: - ctx->input++; - if (_parse_unary(ctx, &right)) { - return -1; - } - *result = *result * right; - break; - - case SL_PP_SLASH: - ctx->input++; - if (_parse_unary(ctx, &right)) { - return -1; - } - *result = *result / right; - break; - - case SL_PP_MODULO: - ctx->input++; - if (_parse_unary(ctx, &right)) { - return -1; - } - *result = *result % right; - break; - - default: - return 0; - } - } -} - -static int -_parse_additive(struct parse_context *ctx, - int *result) -{ - if (_parse_multiplicative(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_PLUS: - ctx->input++; - if (_parse_multiplicative(ctx, &right)) { - return -1; - } - *result = *result + right; - break; - - case SL_PP_MINUS: - ctx->input++; - if (_parse_multiplicative(ctx, &right)) { - return -1; - } - *result = *result - right; - break; - - default: - return 0; - } - } -} - -static int -_parse_shift(struct parse_context *ctx, - int *result) -{ - if (_parse_additive(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_LSHIFT: - ctx->input++; - if (_parse_additive(ctx, &right)) { - return -1; - } - *result = *result << right; - break; - - case SL_PP_RSHIFT: - ctx->input++; - if (_parse_additive(ctx, &right)) { - return -1; - } - *result = *result >> right; - break; - - default: - return 0; - } - } -} - -static int -_parse_relational(struct parse_context *ctx, - int *result) -{ - if (_parse_shift(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_LESSEQUAL: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result <= right; - break; - - case SL_PP_GREATEREQUAL: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result >= right; - break; - - case SL_PP_LESS: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result < right; - break; - - case SL_PP_GREATER: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result > right; - break; - - default: - return 0; - } - } -} - -static int -_parse_equality(struct parse_context *ctx, - int *result) -{ - if (_parse_relational(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_EQUAL: - ctx->input++; - if (_parse_relational(ctx, &right)) { - return -1; - } - *result = *result == right; - break; - - case SL_PP_NOTEQUAL: - ctx->input++; - if (_parse_relational(ctx, &right)) { - return -1; - } - *result = *result != right; - break; - - default: - return 0; - } - } -} - -static int -_parse_bitand(struct parse_context *ctx, - int *result) -{ - if (_parse_equality(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_BITAND) { - int right; - - ctx->input++; - if (_parse_equality(ctx, &right)) { - return -1; - } - *result = *result & right; - } - return 0; -} - -static int -_parse_xor(struct parse_context *ctx, - int *result) -{ - if (_parse_bitand(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_XOR) { - int right; - - ctx->input++; - if (_parse_bitand(ctx, &right)) { - return -1; - } - *result = *result ^ right; - } - return 0; -} - -static int -_parse_bitor(struct parse_context *ctx, - int *result) -{ - if (_parse_xor(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_BITOR) { - int right; - - ctx->input++; - if (_parse_xor(ctx, &right)) { - return -1; - } - *result = *result | right; - } - return 0; -} - -static int -_parse_and(struct parse_context *ctx, - int *result) -{ - if (_parse_bitor(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_AND) { - int right; - - ctx->input++; - if (_parse_bitor(ctx, &right)) { - return -1; - } - *result = *result && right; - } - return 0; -} - -static int -_parse_or(struct parse_context *ctx, - int *result) -{ - if (_parse_and(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_OR) { - int right; - - ctx->input++; - if (_parse_and(ctx, &right)) { - return -1; - } - *result = *result || right; - } - return 0; -} - -int -sl_pp_execute_expression(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - int *result) -{ - struct parse_context ctx; - - ctx.context = context; - ctx.input = input; - - return _parse_or(&ctx, result); -} diff --git a/mesalib/src/glsl/pp/sl_pp_expression.h b/mesalib/src/glsl/pp/sl_pp_expression.h deleted file mode 100644 index 377d5b4cb..000000000 --- a/mesalib/src/glsl/pp/sl_pp_expression.h +++ /dev/null @@ -1,40 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_EXPRESSION_H -#define SL_PP_EXPRESSION_H - -#include "sl_pp_context.h" -#include "sl_pp_token.h" - - -int -sl_pp_execute_expression(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - int *result); - -#endif /* SL_PP_EXPRESSION_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_extension.c b/mesalib/src/glsl/pp/sl_pp_extension.c deleted file mode 100644 index d119677c2..000000000 --- a/mesalib/src/glsl/pp/sl_pp_extension.c +++ /dev/null @@ -1,178 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" - - -/** - * Declare an extension to the preprocessor. This tells the preprocessor - * which extensions are supported by Mesa. - * The shader still needs to have a "#extension name: behavior" line to enable - * the extension. - */ -int -sl_pp_context_add_extension(struct sl_pp_context *context, - const char *name) -{ - struct sl_pp_extension ext; - - if (context->num_extensions == SL_PP_MAX_EXTENSIONS) { - return -1; - } - - ext.name = sl_pp_context_add_unique_str(context, name); - if (ext.name == -1) { - return -1; - } - - context->extensions[context->num_extensions++] = ext; - - assert(context->num_extensions <= sizeof(context->extensions)); - - return 0; -} - - -/** - * Process a "#extension name: behavior" directive. - */ -int -sl_pp_process_extension(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state) -{ - int extension_name = -1; - int behavior = -1; - struct sl_pp_token_info out; - - /* Grab the extension name. */ - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - extension_name = input[first].data.identifier; - first++; - } - if (extension_name == -1) { - strcpy(context->error_msg, "expected identifier after `#extension'"); - return -1; - } - - /* Make sure the extension is supported. */ - if (extension_name == context->dict.all) { - out.data.extension = extension_name; - } else { - unsigned int i; - - out.data.extension = -1; - for (i = 0; i < context->num_extensions; i++) { - if (extension_name == context->extensions[i].name) { - out.data.extension = extension_name; - break; - } - } - } - - /* Grab the colon separating the extension name and behavior. */ - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - if (first < last && input[first].token == SL_PP_COLON) { - first++; - } else { - strcpy(context->error_msg, "expected `:' after extension name"); - return -1; - } - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - /* Grab the behavior name. */ - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - behavior = input[first].data.identifier; - first++; - } - if (behavior == -1) { - strcpy(context->error_msg, "expected identifier after `:'"); - return -1; - } - - if (behavior == context->dict.require) { - if (out.data.extension == -1) { - strcpy(context->error_msg, "the required extension is not supported"); - return -1; - } - if (out.data.extension == context->dict.all) { - strcpy(context->error_msg, "invalid behavior for `all' extension: `require'"); - return -1; - } - out.token = SL_PP_EXTENSION_REQUIRE; - } else if (behavior == context->dict.enable) { - if (out.data.extension == -1) { - /* Warning: the extension cannot be enabled. */ - return 0; - } - if (out.data.extension == context->dict.all) { - strcpy(context->error_msg, "invalid behavior for `all' extension: `enable'"); - return -1; - } - out.token = SL_PP_EXTENSION_ENABLE; - } else if (behavior == context->dict.warn) { - if (out.data.extension == -1) { - /* Warning: the extension is not supported. */ - return 0; - } - out.token = SL_PP_EXTENSION_WARN; - } else if (behavior == context->dict.disable) { - if (out.data.extension == -1) { - /* Warning: the extension is not supported. */ - return 0; - } - out.token = SL_PP_EXTENSION_DISABLE; - } else { - strcpy(context->error_msg, "unrecognised behavior name"); - return -1; - } - - /* Grab the end of line. */ - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - if (first < last) { - strcpy(context->error_msg, "expected end of line after behavior name"); - return -1; - } - - if (sl_pp_process_out(state, &out)) { - return -1; - } - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_if.c b/mesalib/src/glsl/pp/sl_pp_if.c deleted file mode 100644 index 25cb7a3ca..000000000 --- a/mesalib/src/glsl/pp/sl_pp_if.c +++ /dev/null @@ -1,340 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_expression.h" -#include "sl_pp_process.h" - - -static int -_macro_is_defined(struct sl_pp_context *context, - int macro_name) -{ - unsigned int i; - struct sl_pp_macro *macro; - - for (i = 0; i < context->num_extensions; i++) { - if (macro_name == context->extensions[i].name) { - return 1; - } - } - - for (macro = context->macro; macro; macro = macro->next) { - if (macro_name == macro->name) { - return 1; - } - } - - return 0; -} - -static int -_parse_defined(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer, - struct sl_pp_process_state *state) -{ - struct sl_pp_token_info input; - int parens = 0; - int defined; - struct sl_pp_token_info result; - - if (sl_pp_token_buffer_skip_white(buffer, &input)) { - return -1; - } - - if (input.token == SL_PP_LPAREN) { - if (sl_pp_token_buffer_skip_white(buffer, &input)) { - return -1; - } - parens = 1; - } - - if (input.token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - - defined = _macro_is_defined(context, input.data.identifier); - - if (parens) { - if (sl_pp_token_buffer_skip_white(buffer, &input)) { - return -1; - } - if (input.token != SL_PP_RPAREN) { - strcpy(context->error_msg, "expected `)'"); - return -1; - } - } - - result.token = SL_PP_UINT; - result.data._uint = (defined ? context->dict._1 : context->dict._0); - - if (sl_pp_process_out(state, &result)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} - -static unsigned int -_evaluate_if_stack(struct sl_pp_context *context) -{ - unsigned int i; - - for (i = context->if_ptr; i < SL_PP_MAX_IF_NESTING; i++) { - if (!context->if_stack[i].u.condition) { - return 0; - } - } - return 1; -} - -static int -_parse_if(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer) -{ - struct sl_pp_process_state state; - int found_end = 0; - struct sl_pp_token_info eof; - int result; - - if (!context->if_ptr) { - strcpy(context->error_msg, "`#if' nesting too deep"); - return -1; - } - - memset(&state, 0, sizeof(state)); - while (!found_end) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(buffer, &input); - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_IDENTIFIER: - if (input.data.identifier == context->dict.defined) { - if (_parse_defined(context, buffer, &state)) { - free(state.out); - return -1; - } - } else { - sl_pp_token_buffer_unget(buffer, &input); - if (sl_pp_macro_expand(context, buffer, NULL, &state, sl_pp_macro_expand_unknown_to_0)) { - free(state.out); - return -1; - } - } - break; - - case SL_PP_NEWLINE: - case SL_PP_EOF: - found_end = 1; - break; - - default: - if (sl_pp_process_out(&state, &input)) { - strcpy(context->error_msg, "out of memory"); - free(state.out); - return -1; - } - } - } - - eof.token = SL_PP_EOF; - if (sl_pp_process_out(&state, &eof)) { - strcpy(context->error_msg, "out of memory"); - free(state.out); - return -1; - } - - if (sl_pp_execute_expression(context, state.out, &result)) { - free(state.out); - return -1; - } - - free(state.out); - - context->if_ptr--; - context->if_stack[context->if_ptr].value = 0; - context->if_stack[context->if_ptr].u.condition = result ? 1 : 0; - context->if_value = _evaluate_if_stack(context); - - return 0; -} - -static int -_parse_else(struct sl_pp_context *context) -{ - union sl_pp_if_state *state = &context->if_stack[context->if_ptr]; - - if (context->if_ptr == SL_PP_MAX_IF_NESTING) { - strcpy(context->error_msg, "no matching `#if'"); - return -1; - } - - if (state->u.went_thru_else) { - strcpy(context->error_msg, "no matching `#if'"); - return -1; - } - - /* Once we had a true condition, the subsequent #elifs should always be false. */ - state->u.had_true_cond |= state->u.condition; - - /* Update current condition value and mark that we are in the #else block. */ - state->u.condition = !(state->u.had_true_cond | state->u.condition); - state->u.went_thru_else = 1; - context->if_value = _evaluate_if_stack(context); - - return 0; -} - -int -sl_pp_process_if(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer) -{ - return _parse_if(context, buffer); -} - -int -sl_pp_process_ifdef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - unsigned int i; - - if (!context->if_ptr) { - strcpy(context->error_msg, "`#if' nesting too deep"); - return -1; - } - - for (i = first; i < last; i++) { - switch (input[i].token) { - case SL_PP_IDENTIFIER: - context->if_ptr--; - context->if_stack[context->if_ptr].value = 0; - context->if_stack[context->if_ptr].u.condition = _macro_is_defined(context, input[i].data.identifier); - context->if_value = _evaluate_if_stack(context); - return 0; - - case SL_PP_WHITESPACE: - break; - - default: - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - } - - strcpy(context->error_msg, "expected an identifier"); - return -1; -} - -int -sl_pp_process_ifndef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - unsigned int i; - - if (!context->if_ptr) { - strcpy(context->error_msg, "`#if' nesting too deep"); - return -1; - } - - for (i = first; i < last; i++) { - switch (input[i].token) { - case SL_PP_IDENTIFIER: - context->if_ptr--; - context->if_stack[context->if_ptr].value = 0; - context->if_stack[context->if_ptr].u.condition = !_macro_is_defined(context, input[i].data.identifier); - context->if_value = _evaluate_if_stack(context); - return 0; - - case SL_PP_WHITESPACE: - break; - - default: - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - } - - strcpy(context->error_msg, "expected an identifier"); - return -1; -} - -int -sl_pp_process_elif(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer) -{ - if (_parse_else(context)) { - return -1; - } - - if (context->if_stack[context->if_ptr].u.condition) { - context->if_ptr++; - if (_parse_if(context, buffer)) { - return -1; - } - } - - /* We are still in the #if block. */ - context->if_stack[context->if_ptr].u.went_thru_else = 0; - - return 0; -} - -int -sl_pp_process_else(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - return _parse_else(context); -} - -int -sl_pp_process_endif(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - if (context->if_ptr == SL_PP_MAX_IF_NESTING) { - strcpy(context->error_msg, "no matching `#if'"); - return -1; - } - - context->if_ptr++; - context->if_value = _evaluate_if_stack(context); - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_line.c b/mesalib/src/glsl/pp/sl_pp_line.c deleted file mode 100644 index 6f7e9eb56..000000000 --- a/mesalib/src/glsl/pp/sl_pp_line.c +++ /dev/null @@ -1,127 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_public.h" -#include "sl_pp_process.h" - - -int -sl_pp_process_line(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer, - struct sl_pp_process_state *pstate) -{ - struct sl_pp_process_state state; - int found_end = 0; - int line_number = -1; - int file_number = -1; - unsigned int line; - unsigned int file; - - memset(&state, 0, sizeof(state)); - while (!found_end) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(buffer, &input); - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(buffer, &input); - if (sl_pp_macro_expand(context, buffer, NULL, &state, sl_pp_macro_expand_normal)) { - free(state.out); - return -1; - } - break; - - case SL_PP_NEWLINE: - case SL_PP_EOF: - found_end = 1; - break; - - default: - if (sl_pp_process_out(&state, &input)) { - strcpy(context->error_msg, "out of memory"); - free(state.out); - return -1; - } - } - } - - if (state.out_len > 0 && state.out[0].token == SL_PP_UINT) { - line_number = state.out[0].data._uint; - } else { - strcpy(context->error_msg, "expected a number after `#line'"); - free(state.out); - return -1; - } - - if (state.out_len > 1) { - if (state.out[1].token == SL_PP_UINT) { - file_number = state.out[1].data._uint; - } else { - strcpy(context->error_msg, "expected a number after line number"); - free(state.out); - return -1; - } - - if (state.out_len > 2) { - strcpy(context->error_msg, "expected an end of line after file number"); - free(state.out); - return -1; - } - } - - free(state.out); - - line = atoi(sl_pp_context_cstr(context, line_number)); - if (file_number != -1) { - file = atoi(sl_pp_context_cstr(context, file_number)); - } else { - file = context->file; - } - - if (context->line != line || context->file != file) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_LINE; - ti.data.line.lineno = line; - ti.data.line.fileno = file; - if (sl_pp_process_out(pstate, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - context->line = line; - context->file = file; - } - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_macro.c b/mesalib/src/glsl/pp/sl_pp_macro.c deleted file mode 100644 index 9f520b8fc..000000000 --- a/mesalib/src/glsl/pp/sl_pp_macro.c +++ /dev/null @@ -1,414 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_public.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" - - -static void -_macro_init(struct sl_pp_macro *macro) -{ - macro->name = -1; - macro->num_args = -1; - macro->arg = NULL; - macro->body = NULL; -} - -struct sl_pp_macro * -sl_pp_macro_new(void) -{ - struct sl_pp_macro *macro; - - macro = calloc(1, sizeof(struct sl_pp_macro)); - if (macro) { - _macro_init(macro); - } - return macro; -} - -static void -_macro_destroy(struct sl_pp_macro *macro) -{ - struct sl_pp_macro_formal_arg *arg = macro->arg; - - while (arg) { - struct sl_pp_macro_formal_arg *next_arg = arg->next; - - free(arg); - arg = next_arg; - } - - free(macro->body); -} - -void -sl_pp_macro_free(struct sl_pp_macro *macro) -{ - while (macro) { - struct sl_pp_macro *next_macro = macro->next; - - _macro_destroy(macro); - free(macro); - macro = next_macro; - } -} - -void -sl_pp_macro_reset(struct sl_pp_macro *macro) -{ - _macro_destroy(macro); - _macro_init(macro); -} - -static int -_out_number(struct sl_pp_context *context, - struct sl_pp_process_state *state, - unsigned int number) -{ - char buf[32]; - struct sl_pp_token_info ti; - - sprintf(buf, "%u", number); - - ti.token = SL_PP_UINT; - ti.data._uint = sl_pp_context_add_unique_str(context, buf); - if (sl_pp_process_out(state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} - -int -sl_pp_macro_expand(struct sl_pp_context *context, - struct sl_pp_token_buffer *tokens, - struct sl_pp_macro *local, - struct sl_pp_process_state *state, - enum sl_pp_macro_expand_behaviour behaviour) -{ - int mute = (behaviour == sl_pp_macro_expand_mute); - struct sl_pp_token_info input; - int macro_name; - struct sl_pp_macro *macro = NULL; - struct sl_pp_macro *actual_arg = NULL; - unsigned int j; - - if (sl_pp_token_buffer_get(tokens, &input)) { - return -1; - } - - if (input.token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - - macro_name = input.data.identifier; - - /* First look for predefined macros. - */ - - if (macro_name == context->dict.___LINE__) { - if (!mute && _out_number(context, state, context->line)) { - return -1; - } - return 0; - } - if (macro_name == context->dict.___FILE__) { - if (!mute && _out_number(context, state, context->file)) { - return -1; - } - return 0; - } - if (macro_name == context->dict.___VERSION__) { - if (!mute && _out_number(context, state, 110)) { - return -1; - } - return 0; - } - - for (j = 0; j < context->num_predefined; j++) { - if (macro_name == context->predefined[j].name) { - if (!mute) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_UINT; - ti.data._uint = context->predefined[j].value; - if (sl_pp_process_out(state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - return 0; - } - } - - /* Replace extension names with 1. - */ - for (j = 0; j < context->num_extensions; j++) { - if (macro_name == context->extensions[j].name) { - if (!mute && _out_number(context, state, 1)) { - return -1; - } - return 0; - } - } - - if (local) { - for (macro = local; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - } - - if (!macro) { - for (macro = context->macro; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - } - - if (!macro) { - if (behaviour == sl_pp_macro_expand_unknown_to_0) { - if (_out_number(context, state, 0)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } else if (!mute) { - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - return 0; - } - - if (macro->num_args >= 0) { - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - return -1; - } - if (input.token != SL_PP_LPAREN) { - strcpy(context->error_msg, "expected `('"); - return -1; - } - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - return -1; - } - sl_pp_token_buffer_unget(tokens, &input); - } - - if (macro->num_args > 0) { - struct sl_pp_macro_formal_arg *formal_arg = macro->arg; - struct sl_pp_macro **pmacro = &actual_arg; - - for (j = 0; j < (unsigned int)macro->num_args; j++) { - struct sl_pp_process_state arg_state; - int done = 0; - unsigned int paren_nesting = 0; - struct sl_pp_token_info eof; - - memset(&arg_state, 0, sizeof(arg_state)); - - while (!done) { - if (sl_pp_token_buffer_get(tokens, &input)) { - goto fail_arg; - } - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_COMMA: - if (!paren_nesting) { - if (j < (unsigned int)macro->num_args - 1) { - done = 1; - } else { - strcpy(context->error_msg, "too many actual macro arguments"); - goto fail_arg; - } - } else { - if (sl_pp_process_out(&arg_state, &input)) { - strcpy(context->error_msg, "out of memory"); - goto fail_arg; - } - } - break; - - case SL_PP_LPAREN: - paren_nesting++; - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - break; - - case SL_PP_RPAREN: - if (!paren_nesting) { - if (j == (unsigned int)macro->num_args - 1) { - done = 1; - } else { - strcpy(context->error_msg, "too few actual macro arguments"); - goto fail_arg; - } - } else { - paren_nesting--; - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - } - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(tokens, &input); - if (sl_pp_macro_expand(context, tokens, local, &arg_state, sl_pp_macro_expand_normal)) { - goto fail_arg; - } - break; - - case SL_PP_EOF: - strcpy(context->error_msg, "too few actual macro arguments"); - goto fail_arg; - - default: - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - } - } - - eof.token = SL_PP_EOF; - if (sl_pp_process_out(&arg_state, &eof)) { - goto oom_arg; - } - - *pmacro = sl_pp_macro_new(); - if (!*pmacro) { - goto oom_arg; - } - - (**pmacro).name = formal_arg->name; - (**pmacro).body = arg_state.out; - - formal_arg = formal_arg->next; - pmacro = &(**pmacro).next; - - continue; - -oom_arg: - strcpy(context->error_msg, "out of memory"); -fail_arg: - free(arg_state.out); - goto fail; - } - } - - /* Right paren for non-empty argument list has already been eaten. */ - if (macro->num_args == 0) { - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - goto fail; - } - if (input.token != SL_PP_RPAREN) { - strcpy(context->error_msg, "expected `)'"); - goto fail; - } - } - - /* XXX: This is all wrong, we should be ungetting all tokens - * back to the main token buffer. - */ - { - struct sl_pp_token_buffer buffer; - - /* Seek to the end. - */ - for (j = 0; macro->body[j].token != SL_PP_EOF; j++) { - } - j++; - - /* Create a context-less token buffer since we are not going to underrun - * its internal buffer. - */ - if (sl_pp_token_buffer_init(&buffer, NULL)) { - strcpy(context->error_msg, "out of memory"); - goto fail; - } - - /* Unget the tokens in reverse order so later they will be fetched correctly. - */ - for (; j > 0; j--) { - sl_pp_token_buffer_unget(&buffer, ¯o->body[j - 1]); - } - - /* Expand. - */ - for (;;) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(&buffer, &input); - switch (input.token) { - case SL_PP_NEWLINE: - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(&buffer, &input); - if (sl_pp_macro_expand(context, &buffer, actual_arg, state, behaviour)) { - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - break; - - case SL_PP_EOF: - sl_pp_token_buffer_destroy(&buffer); - sl_pp_macro_free(actual_arg); - return 0; - - default: - if (!mute) { - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - } - } - } - } - -fail: - sl_pp_macro_free(actual_arg); - return -1; -} diff --git a/mesalib/src/glsl/pp/sl_pp_macro.h b/mesalib/src/glsl/pp/sl_pp_macro.h deleted file mode 100644 index 1d2106810..000000000 --- a/mesalib/src/glsl/pp/sl_pp_macro.h +++ /dev/null @@ -1,73 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_MACRO_H -#define SL_PP_MACRO_H - -#include "sl_pp_token.h" - - -struct sl_pp_context; -struct sl_pp_process_state; -struct sl_pp_token_buffer; - -struct sl_pp_macro_formal_arg { - int name; - struct sl_pp_macro_formal_arg *next; -}; - -struct sl_pp_macro { - int name; - int num_args; /* -1 means no args, 0 means `()' */ - struct sl_pp_macro_formal_arg *arg; - struct sl_pp_token_info *body; - struct sl_pp_macro *next; -}; - -struct sl_pp_macro * -sl_pp_macro_new(void); - -void -sl_pp_macro_free(struct sl_pp_macro *macro); - -void -sl_pp_macro_reset(struct sl_pp_macro *macro); - -enum sl_pp_macro_expand_behaviour { - sl_pp_macro_expand_normal, - sl_pp_macro_expand_mute, - sl_pp_macro_expand_unknown_to_0 -}; - -int -sl_pp_macro_expand(struct sl_pp_context *context, - struct sl_pp_token_buffer *tokens, - struct sl_pp_macro *local, - struct sl_pp_process_state *state, - enum sl_pp_macro_expand_behaviour behaviour); - -#endif /* SL_PP_MACRO_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_pragma.c b/mesalib/src/glsl/pp/sl_pp_pragma.c deleted file mode 100644 index caf4c63f6..000000000 --- a/mesalib/src/glsl/pp/sl_pp_pragma.c +++ /dev/null @@ -1,109 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" - - -int -sl_pp_process_pragma(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state) -{ - int pragma_name = -1; - struct sl_pp_token_info out; - int arg_name = -1; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - pragma_name = input[first].data.identifier; - first++; - } - if (pragma_name == -1) { - return 0; - } - - if (pragma_name == context->dict.optimize) { - out.token = SL_PP_PRAGMA_OPTIMIZE; - } else if (pragma_name == context->dict.debug) { - out.token = SL_PP_PRAGMA_DEBUG; - } else { - return 0; - } - - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - if (first < last && input[first].token == SL_PP_LPAREN) { - first++; - } else { - return 0; - } - - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - arg_name = input[first].data.identifier; - first++; - } - if (arg_name == -1) { - return 0; - } - - if (arg_name == context->dict.off) { - out.data.pragma = 0; - } else if (arg_name == context->dict.on) { - out.data.pragma = 1; - } else { - return 0; - } - - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - if (first < last && input[first].token == SL_PP_RPAREN) { - first++; - } else { - return 0; - } - - /* Ignore the tokens that follow. */ - - if (sl_pp_process_out(state, &out)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_process.c b/mesalib/src/glsl/pp/sl_pp_process.c deleted file mode 100644 index 315ad9bf1..000000000 --- a/mesalib/src/glsl/pp/sl_pp_process.c +++ /dev/null @@ -1,328 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" - - -int -sl_pp_process_out(struct sl_pp_process_state *state, - const struct sl_pp_token_info *token) -{ - if (state->out_len >= state->out_max) { - unsigned int new_max = state->out_max; - - if (new_max < 0x100) { - new_max = 0x100; - } else if (new_max < 0x10000) { - new_max *= 2; - } else { - new_max += 0x10000; - } - - state->out = realloc(state->out, new_max * sizeof(struct sl_pp_token_info)); - if (!state->out) { - return -1; - } - state->out_max = new_max; - } - - state->out[state->out_len++] = *token; - return 0; -} - -int -sl_pp_process_get(struct sl_pp_context *context, - struct sl_pp_token_info *output) -{ - if (!context->process_state.out) { - if (context->line > 1) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_LINE; - ti.data.line.lineno = context->line - 1; - ti.data.line.fileno = context->file; - if (sl_pp_process_out(&context->process_state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - ti.token = SL_PP_NEWLINE; - if (sl_pp_process_out(&context->process_state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - } - - for (;;) { - struct sl_pp_token_info input; - int found_eof = 0; - - if (context->process_state.out_len) { - assert(context->process_state.out); - *output = context->process_state.out[0]; - - if (context->process_state.out_len > 1) { - unsigned int i; - - for (i = 1; i < context->process_state.out_len; i++) { - context->process_state.out[i - 1] = context->process_state.out[i]; - } - } - context->process_state.out_len--; - - return 0; - } - - if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { - return -1; - } - if (input.token == SL_PP_HASH) { - if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { - return -1; - } - switch (input.token) { - case SL_PP_IDENTIFIER: - { - int name; - int found_eol = 0; - struct sl_pp_token_info endof; - struct sl_pp_token_peek peek; - int result = 0; - - /* Directive name. */ - name = input.data.identifier; - - if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { - return -1; - } - sl_pp_token_buffer_unget(&context->tokens, &input); - - if (sl_pp_token_peek_init(&peek, &context->tokens)) { - return -1; - } - - while (!found_eol) { - if (sl_pp_token_peek_get(&peek, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - switch (input.token) { - case SL_PP_NEWLINE: - /* Preserve newline just for the sake of line numbering. */ - endof = input; - found_eol = 1; - break; - - case SL_PP_EOF: - endof = input; - found_eof = 1; - found_eol = 1; - break; - - default: - break; - } - } - - if (name == context->dict._if) { - struct sl_pp_token_buffer buffer; - - result = sl_pp_token_peek_to_buffer(&peek, &buffer); - if (result == 0) { - result = sl_pp_process_if(context, &buffer); - sl_pp_token_buffer_destroy(&buffer); - } - } else if (name == context->dict.ifdef) { - result = sl_pp_process_ifdef(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.ifndef) { - result = sl_pp_process_ifndef(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.elif) { - struct sl_pp_token_buffer buffer; - - result = sl_pp_token_peek_to_buffer(&peek, &buffer); - if (result == 0) { - result = sl_pp_process_elif(context, &buffer); - sl_pp_token_buffer_destroy(&buffer); - } - } else if (name == context->dict._else) { - result = sl_pp_process_else(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.endif) { - result = sl_pp_process_endif(context, peek.tokens, 0, peek.size - 1); - } else if (context->if_value) { - if (name == context->dict.define) { - result = sl_pp_process_define(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.error) { - sl_pp_process_error(context, peek.tokens, 0, peek.size - 1); - result = -1; - } else if (name == context->dict.extension) { - result = sl_pp_process_extension(context, peek.tokens, 0, peek.size - 1, &context->process_state); - } else if (name == context->dict.line) { - struct sl_pp_token_buffer buffer; - - result = sl_pp_token_peek_to_buffer(&peek, &buffer); - if (result == 0) { - result = sl_pp_process_line(context, &buffer, &context->process_state); - sl_pp_token_buffer_destroy(&buffer); - } - } else if (name == context->dict.pragma) { - result = sl_pp_process_pragma(context, peek.tokens, 0, peek.size - 1, &context->process_state); - } else if (name == context->dict.undef) { - result = sl_pp_process_undef(context, peek.tokens, 0, peek.size - 1); - } else { - strcpy(context->error_msg, "unrecognised directive name"); - result = -1; - } - } - - sl_pp_token_peek_commit(&peek); - sl_pp_token_peek_destroy(&peek); - - if (result) { - return result; - } - - if (sl_pp_process_out(&context->process_state, &endof)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - context->line++; - } - break; - - case SL_PP_NEWLINE: - /* Empty directive. */ - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - context->line++; - break; - - case SL_PP_EOF: - /* Empty directive. */ - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - found_eof = 1; - break; - - default: - strcpy(context->error_msg, "expected a directive name"); - return -1; - } - } else { - int found_eol = 0; - - sl_pp_token_buffer_unget(&context->tokens, &input); - - while (!found_eol) { - if (sl_pp_token_buffer_get(&context->tokens, &input)) { - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - /* Drop whitespace all together at this point. */ - break; - - case SL_PP_NEWLINE: - /* Preserve newline just for the sake of line numbering. */ - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - context->line++; - found_eol = 1; - break; - - case SL_PP_EOF: - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - found_eof = 1; - found_eol = 1; - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(&context->tokens, &input); - if (sl_pp_macro_expand(context, &context->tokens, NULL, &context->process_state, - context->if_value ? sl_pp_macro_expand_normal : sl_pp_macro_expand_mute)) { - return -1; - } - break; - - default: - if (context->if_value) { - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - } - } - } - - if (found_eof) { - if (context->if_ptr != SL_PP_MAX_IF_NESTING) { - strcpy(context->error_msg, "expected `#endif' directive"); - return -1; - } - } - } -} - -int -sl_pp_process(struct sl_pp_context *context, - struct sl_pp_token_info **output) -{ - struct sl_pp_process_state state; - - memset(&state, 0, sizeof(state)); - for (;;) { - struct sl_pp_token_info input; - - if (sl_pp_process_get(context, &input)) { - free(state.out); - return -1; - } - if (sl_pp_process_out(&state, &input)) { - free(state.out); - return -1; - } - if (input.token == SL_PP_EOF) { - *output = state.out; - return 0; - } - } -} diff --git a/mesalib/src/glsl/pp/sl_pp_process.h b/mesalib/src/glsl/pp/sl_pp_process.h deleted file mode 100644 index fe6ff0d46..000000000 --- a/mesalib/src/glsl/pp/sl_pp_process.h +++ /dev/null @@ -1,116 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_PROCESS_H -#define SL_PP_PROCESS_H - -#include "sl_pp_macro.h" -#include "sl_pp_token.h" - - -struct sl_pp_context; - -struct sl_pp_process_state { - struct sl_pp_token_info *out; - unsigned int out_len; - unsigned int out_max; -}; - -int -sl_pp_process_define(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_undef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_if(struct sl_pp_context *context, - struct sl_pp_token_buffer *input); - -int -sl_pp_process_ifdef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_ifndef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_elif(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer); - -int -sl_pp_process_else(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_endif(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -void -sl_pp_process_error(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_pragma(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state); - -int -sl_pp_process_extension(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state); - -int -sl_pp_process_line(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer, - struct sl_pp_process_state *state); - -int -sl_pp_process_out(struct sl_pp_process_state *state, - const struct sl_pp_token_info *token); - -#endif /* SL_PP_PROCESS_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_public.h b/mesalib/src/glsl/pp/sl_pp_public.h deleted file mode 100644 index ca6f72254..000000000 --- a/mesalib/src/glsl/pp/sl_pp_public.h +++ /dev/null @@ -1,83 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_PUBLIC_H -#define SL_PP_PUBLIC_H - - -struct sl_pp_context; - - -#include "sl_pp_purify.h" -#include "sl_pp_token.h" - - -struct sl_pp_context * -sl_pp_context_create(const char *input, - const struct sl_pp_purify_options *options); - -void -sl_pp_context_destroy(struct sl_pp_context *context); - -const char * -sl_pp_context_error_message(const struct sl_pp_context *context); - -void -sl_pp_context_error_position(const struct sl_pp_context *context, - unsigned int *file, - unsigned int *line); - -int -sl_pp_context_add_extension(struct sl_pp_context *context, - const char *name); - -int -sl_pp_context_add_predefined(struct sl_pp_context *context, - const char *name, - const char *value); - -int -sl_pp_context_add_unique_str(struct sl_pp_context *context, - const char *str); - -const char * -sl_pp_context_cstr(const struct sl_pp_context *context, - int offset); - -int -sl_pp_version(struct sl_pp_context *context, - unsigned int *version); - -int -sl_pp_process_get(struct sl_pp_context *context, - struct sl_pp_token_info *output); - -int -sl_pp_process(struct sl_pp_context *context, - struct sl_pp_token_info **output); - -#endif /* SL_PP_PUBLIC_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_purify.c b/mesalib/src/glsl/pp/sl_pp_purify.c deleted file mode 100644 index acc000cf3..000000000 --- a/mesalib/src/glsl/pp/sl_pp_purify.c +++ /dev/null @@ -1,302 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <stdarg.h> -#include <stdio.h> -#include "sl_pp_purify.h" - - -/* - * Preprocessor purifier performs the following tasks. - * - Convert all variants of newlines into a Unix newline. - * - Merge continued lines into a single long line. - * - Remove line comments and replace block comments with whitespace. - */ - - -static unsigned int -_purify_newline(const char *input, - char *out, - unsigned int *current_line) -{ - if (input[0] == '\n') { - *out = '\n'; - (*current_line)++; - if (input[1] == '\r') { - /* - * The GLSL spec is not explicit about whether this - * combination is a valid newline or not. - * Let's assume it is acceptable. - */ - return 2; - } - return 1; - } - if (input[0] == '\r') { - *out = '\n'; - (*current_line)++; - if (input[1] == '\n') { - return 2; - } - return 1; - } - *out = input[0]; - return 1; -} - - -static unsigned int -_purify_backslash(const char *input, - char *out, - unsigned int *current_line) -{ - unsigned int eaten = 0; - - for (;;) { - if (input[0] == '\\') { - char next; - unsigned int next_eaten; - unsigned int next_line = *current_line; - - eaten++; - input++; - - next_eaten = _purify_newline(input, &next, &next_line); - if (next == '\n') { - /* - * If this is really a line continuation sequence, eat - * it and do not exit the loop. - */ - eaten += next_eaten; - input += next_eaten; - *current_line = next_line; - } else { - /* - * It is an error to put anything between a backslash - * and a newline and still expect it to behave like a line - * continuation sequence. - * Even if it is an innocent whitespace. - */ - *out = '\\'; - break; - } - } else { - eaten += _purify_newline(input, out, current_line); - break; - } - } - return eaten; -} - - -static void -_report_error(char *buf, - unsigned int cbbuf, - const char *msg, - ...) -{ - va_list args; - - va_start(args, msg); - vsnprintf(buf, cbbuf, msg, args); - va_end(args); -} - - -void -sl_pp_purify_state_init(struct sl_pp_purify_state *state, - const char *input, - const struct sl_pp_purify_options *options) -{ - state->options = *options; - state->input = input; - state->current_line = 1; - state->inside_c_comment = 0; -} - - -static unsigned int -_purify_comment(struct sl_pp_purify_state *state, - char *output, - unsigned int *current_line, - char *errormsg, - unsigned int cberrormsg) -{ - for (;;) { - unsigned int eaten; - char next; - - eaten = _purify_backslash(state->input, &next, current_line); - state->input += eaten; - while (next == '*') { - eaten = _purify_backslash(state->input, &next, current_line); - state->input += eaten; - if (next == '/') { - *output = ' '; - state->inside_c_comment = 0; - return 1; - } - } - if (next == '\n') { - *output = '\n'; - state->inside_c_comment = 1; - return 1; - } - if (next == '\0') { - _report_error(errormsg, cberrormsg, "expected `*/' but end of translation unit found"); - return 0; - } - } -} - - -unsigned int -sl_pp_purify_getc(struct sl_pp_purify_state *state, - char *output, - unsigned int *current_line, - char *errormsg, - unsigned int cberrormsg) -{ - unsigned int eaten; - - if (state->inside_c_comment) { - return _purify_comment(state, output, current_line, errormsg, cberrormsg); - } - - eaten = _purify_backslash(state->input, output, current_line); - state->input += eaten; - if (*output == '/') { - char next; - unsigned int next_line = *current_line; - - eaten = _purify_backslash(state->input, &next, &next_line); - if (next == '/') { - state->input += eaten; - *current_line = next_line; - - /* Replace a line comment with either a newline or nil. */ - for (;;) { - eaten = _purify_backslash(state->input, &next, current_line); - state->input += eaten; - if (next == '\n' || next == '\0') { - *output = next; - return eaten; - } - } - } else if (next == '*') { - state->input += eaten; - *current_line = next_line; - - return _purify_comment(state, output, current_line, errormsg, cberrormsg); - } - } - return eaten; -} - - -struct out_buf { - char *out; - unsigned int len; - unsigned int capacity; - unsigned int current_line; - char *errormsg; - unsigned int cberrormsg; -}; - - -static int -_out_buf_putc(struct out_buf *obuf, - char c) -{ - if (obuf->len >= obuf->capacity) { - unsigned int new_max = obuf->capacity; - - if (new_max < 0x100) { - new_max = 0x100; - } else if (new_max < 0x10000) { - new_max *= 2; - } else { - new_max += 0x10000; - } - - obuf->out = realloc(obuf->out, new_max); - if (!obuf->out) { - _report_error(obuf->errormsg, obuf->cberrormsg, "out of memory"); - return -1; - } - obuf->capacity = new_max; - } - - obuf->out[obuf->len++] = c; - - return 0; -} - - -int -sl_pp_purify(const char *input, - const struct sl_pp_purify_options *options, - char **output, - char *errormsg, - unsigned int cberrormsg, - unsigned int *errorline) -{ - struct out_buf obuf; - struct sl_pp_purify_state state; - - obuf.out = NULL; - obuf.len = 0; - obuf.capacity = 0; - obuf.current_line = 1; - obuf.errormsg = errormsg; - obuf.cberrormsg = cberrormsg; - - sl_pp_purify_state_init(&state, input, options); - - for (;;) { - unsigned int eaten; - char c; - - eaten = sl_pp_purify_getc(&state, &c, &obuf.current_line, errormsg, cberrormsg); - if (!eaten) { - *errorline = obuf.current_line; - return -1; - } - if (_out_buf_putc(&obuf, c)) { - *errorline = obuf.current_line; - return -1; - } - - if (c == '\0') { - break; - } - } - - *output = obuf.out; - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_purify.h b/mesalib/src/glsl/pp/sl_pp_purify.h deleted file mode 100644 index c0f55cbfd..000000000 --- a/mesalib/src/glsl/pp/sl_pp_purify.h +++ /dev/null @@ -1,63 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_PURIFY_H -#define SL_PP_PURIFY_H - -struct sl_pp_purify_options { - unsigned int preserve_columns:1; - unsigned int tab_width:4; -}; - -int -sl_pp_purify(const char *input, - const struct sl_pp_purify_options *options, - char **output, - char *errormsg, - unsigned int cberrormsg, - unsigned int *errorline); - -struct sl_pp_purify_state { - struct sl_pp_purify_options options; - const char *input; - unsigned int current_line; - unsigned int inside_c_comment:1; -}; - -void -sl_pp_purify_state_init(struct sl_pp_purify_state *state, - const char *input, - const struct sl_pp_purify_options *options); - -unsigned int -sl_pp_purify_getc(struct sl_pp_purify_state *state, - char *output, - unsigned int *current_line, - char *errormsg, - unsigned int cberrormsg); - -#endif /* SL_PP_PURIFY_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_token.c b/mesalib/src/glsl/pp/sl_pp_token.c deleted file mode 100644 index a70897870..000000000 --- a/mesalib/src/glsl/pp/sl_pp_token.c +++ /dev/null @@ -1,854 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include "sl_pp_public.h" -#include "sl_pp_context.h" -#include "sl_pp_token.h" - - -#define PURE_ERROR 256 - -static int -_pure_getc(struct sl_pp_context *context) -{ - char c; - - if (context->getc_buf_size) { - return context->getc_buf[--context->getc_buf_size]; - } - - if (sl_pp_purify_getc(&context->pure, &c, &context->error_line, context->error_msg, sizeof(context->error_msg)) == 0) { - return PURE_ERROR; - } - return c; -} - - -static void -_pure_ungetc(struct sl_pp_context *context, - int c) -{ - assert(c != PURE_ERROR); - - if (context->getc_buf_size == context->getc_buf_capacity) { - context->getc_buf_capacity += 64; - context->getc_buf = realloc(context->getc_buf, context->getc_buf_capacity * sizeof(char)); - assert(context->getc_buf); - } - - context->getc_buf[context->getc_buf_size++] = (char)c; -} - - -struct lookahead_state { - char buf[256]; - unsigned int pos; - struct sl_pp_context *context; -}; - - -static void -_lookahead_init(struct lookahead_state *lookahead, - struct sl_pp_context *context) -{ - lookahead->pos = 0; - lookahead->context = context; -} - - -static unsigned int -_lookahead_tell(const struct lookahead_state *lookahead) -{ - return lookahead->pos; -} - - -static const void * -_lookahead_buf(const struct lookahead_state *lookahead) -{ - return lookahead->buf; -} - - -static void -_lookahead_revert(struct lookahead_state *lookahead, - unsigned int pos) -{ - assert(pos <= lookahead->pos); - - while (lookahead->pos > pos) { - _pure_ungetc(lookahead->context, lookahead->buf[--lookahead->pos]); - } -} - - -static int -_lookahead_getc(struct lookahead_state *lookahead) -{ - int c; - - assert(lookahead->pos < sizeof(lookahead->buf) / sizeof(lookahead->buf[0])); - - c = _pure_getc(lookahead->context); - if (c != PURE_ERROR) { - lookahead->buf[lookahead->pos++] = (char)c; - } - return c; -} - - -static int -_is_identifier_char(char c) -{ - return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_'; -} - - -static int -_tokenise_identifier(struct sl_pp_context *context, - struct sl_pp_token_info *out) -{ - int c; - char identifier[256]; /* XXX: Remove this artifical limit. */ - unsigned int i = 0; - - out->token = SL_PP_IDENTIFIER; - out->data.identifier = -1; - - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - identifier[i++] = (char)c; - for (;;) { - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - - if (_is_identifier_char((char)c)) { - if (i >= sizeof(identifier) / sizeof(char) - 1) { - strcpy(context->error_msg, "out of memory"); - _pure_ungetc(context, c); - while (i) { - _pure_ungetc(context, identifier[--i]); - } - return -1; - } - identifier[i++] = (char)c; - } else { - _pure_ungetc(context, c); - break; - } - } - identifier[i] = '\0'; - - out->data.identifier = sl_pp_context_add_unique_str(context, identifier); - if (out->data.identifier == -1) { - while (i) { - _pure_ungetc(context, identifier[--i]); - } - return -1; - } - - return 0; -} - - -/* - * Return the number of consecutive decimal digits in the input stream. - */ -static unsigned int -_parse_float_digits(struct lookahead_state *lookahead) -{ - unsigned int eaten; - - for (eaten = 0;; eaten++) { - unsigned int pos = _lookahead_tell(lookahead); - char c = _lookahead_getc(lookahead); - - if (c < '0' || c > '9') { - _lookahead_revert(lookahead, pos); - break; - } - } - return eaten; -} - - -/* - * Try to match one of the following patterns for the fractional part - * of a floating point number. - * - * digits . [digits] - * . digits - * - * Return 0 if the pattern could not be matched, otherwise the number - * of eaten characters from the input stream. - */ -static unsigned int -_parse_float_frac(struct lookahead_state *lookahead) -{ - unsigned int pos; - int c; - unsigned int eaten; - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == '.') { - eaten = _parse_float_digits(lookahead); - if (eaten) { - return eaten + 1; - } - _lookahead_revert(lookahead, pos); - return 0; - } - - _lookahead_revert(lookahead, pos); - eaten = _parse_float_digits(lookahead); - if (eaten) { - c = _lookahead_getc(lookahead); - if (c == '.') { - return eaten + 1 + _parse_float_digits(lookahead); - } - } - - _lookahead_revert(lookahead, pos); - return 0; -} - - -/* - * Try to match the following pattern for the exponential part - * of a floating point number. - * - * (e|E) [(+|-)] digits - * - * Return 0 if the pattern could not be matched, otherwise the number - * of eaten characters from the input stream. - */ -static unsigned int -_parse_float_exp(struct lookahead_state *lookahead) -{ - unsigned int pos, pos2; - int c; - unsigned int eaten, digits; - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c != 'e' && c != 'E') { - _lookahead_revert(lookahead, pos); - return 0; - } - - pos2 = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == '-' || c == '+') { - eaten = 2; - } else { - _lookahead_revert(lookahead, pos2); - eaten = 1; - } - - digits = _parse_float_digits(lookahead); - if (!digits) { - _lookahead_revert(lookahead, pos); - return 0; - } - - return eaten + digits; -} - - -/* - * Try to match one of the following patterns for a floating point number. - * - * fract [exp] [(f|F)] - * digits exp [(f|F)] - * - * Return 0 if the pattern could not be matched, otherwise the number - * of eaten characters from the input stream. - */ -static unsigned int -_parse_float(struct lookahead_state *lookahead) -{ - unsigned int eaten; - - eaten = _parse_float_frac(lookahead); - if (eaten) { - unsigned int pos; - int c; - - eaten += _parse_float_exp(lookahead); - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == 'f' || c == 'F') { - eaten++; - } else { - _lookahead_revert(lookahead, pos); - } - - return eaten; - } - - eaten = _parse_float_digits(lookahead); - if (eaten) { - unsigned int exponent; - - exponent = _parse_float_exp(lookahead); - if (exponent) { - unsigned int pos; - int c; - - eaten += exponent; - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == 'f' || c == 'F') { - eaten++; - } else { - _lookahead_revert(lookahead, pos); - } - - return eaten; - } - } - - _lookahead_revert(lookahead, 0); - return 0; -} - - -static unsigned int -_parse_hex(struct lookahead_state *lookahead) -{ - int c; - unsigned int n; - - c = _lookahead_getc(lookahead); - if (c != '0') { - _lookahead_revert(lookahead, 0); - return 0; - } - - c = _lookahead_getc(lookahead); - if (c != 'x' && c != 'X') { - _lookahead_revert(lookahead, 0); - return 0; - } - - for (n = 2;;) { - unsigned int pos = _lookahead_tell(lookahead); - - c = _lookahead_getc(lookahead); - if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')) { - n++; - } else { - _lookahead_revert(lookahead, pos); - break; - } - } - - if (n > 2) { - return n; - } - - _lookahead_revert(lookahead, 0); - return 0; -} - - -static unsigned int -_parse_oct(struct lookahead_state *lookahead) -{ - int c; - unsigned int n; - - c = _lookahead_getc(lookahead); - if (c != '0') { - _lookahead_revert(lookahead, 0); - return 0; - } - - for (n = 1;;) { - unsigned int pos = _lookahead_tell(lookahead); - - c = _lookahead_getc(lookahead); - if ((c >= '0' && c <= '7')) { - n++; - } else { - _lookahead_revert(lookahead, pos); - break; - } - } - - return n; -} - - -static unsigned int -_parse_dec(struct lookahead_state *lookahead) -{ - unsigned int n = 0; - - for (;;) { - unsigned int pos = _lookahead_tell(lookahead); - int c = _lookahead_getc(lookahead); - - if ((c >= '0' && c <= '9')) { - n++; - } else { - _lookahead_revert(lookahead, pos); - break; - } - } - - return n; -} - - -static int -_tokenise_number(struct sl_pp_context *context, - struct sl_pp_token_info *out) -{ - struct lookahead_state lookahead; - unsigned int eaten; - unsigned int is_float = 0; - unsigned int pos; - int c; - char number[256]; /* XXX: Remove this artifical limit. */ - - _lookahead_init(&lookahead, context); - - eaten = _parse_float(&lookahead); - if (!eaten) { - eaten = _parse_hex(&lookahead); - if (!eaten) { - eaten = _parse_oct(&lookahead); - if (!eaten) { - eaten = _parse_dec(&lookahead); - } - } - } else { - is_float = 1; - } - - if (!eaten) { - strcpy(context->error_msg, "expected a number"); - return -1; - } - - pos = _lookahead_tell(&lookahead); - c = _lookahead_getc(&lookahead); - _lookahead_revert(&lookahead, pos); - - if (_is_identifier_char(c)) { - strcpy(context->error_msg, "expected a number"); - _lookahead_revert(&lookahead, 0); - return -1; - } - - if (eaten > sizeof(number) - 1) { - strcpy(context->error_msg, "out of memory"); - _lookahead_revert(&lookahead, 0); - return -1; - } - - assert(_lookahead_tell(&lookahead) == eaten); - - memcpy(number, _lookahead_buf(&lookahead), eaten); - number[eaten] = '\0'; - - if (is_float) { - out->token = SL_PP_FLOAT; - out->data._float = sl_pp_context_add_unique_str(context, number); - if (out->data._float == -1) { - _lookahead_revert(&lookahead, 0); - return -1; - } - } else { - out->token = SL_PP_UINT; - out->data._uint = sl_pp_context_add_unique_str(context, number); - if (out->data._uint == -1) { - _lookahead_revert(&lookahead, 0); - return -1; - } - } - - return 0; -} - - -int -sl_pp_token_get(struct sl_pp_context *context, - struct sl_pp_token_info *out) -{ - int c = _pure_getc(context); - - switch (c) { - case ' ': - case '\t': - out->token = SL_PP_WHITESPACE; - break; - - case '\n': - out->token = SL_PP_NEWLINE; - break; - - case '#': - out->token = SL_PP_HASH; - break; - - case ',': - out->token = SL_PP_COMMA; - break; - - case ';': - out->token = SL_PP_SEMICOLON; - break; - - case '{': - out->token = SL_PP_LBRACE; - break; - - case '}': - out->token = SL_PP_RBRACE; - break; - - case '(': - out->token = SL_PP_LPAREN; - break; - - case ')': - out->token = SL_PP_RPAREN; - break; - - case '[': - out->token = SL_PP_LBRACKET; - break; - - case ']': - out->token = SL_PP_RBRACKET; - break; - - case '.': - { - int c2 = _pure_getc(context); - - if (c2 == PURE_ERROR) { - return -1; - } - if (c2 >= '0' && c2 <= '9') { - _pure_ungetc(context, c2); - _pure_ungetc(context, c); - if (_tokenise_number(context, out)) { - return -1; - } - } else { - _pure_ungetc(context, c2); - out->token = SL_PP_DOT; - } - } - break; - - case '+': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '+') { - out->token = SL_PP_INCREMENT; - } else if (c == '=') { - out->token = SL_PP_ADDASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_PLUS; - } - break; - - case '-': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '-') { - out->token = SL_PP_DECREMENT; - } else if (c == '=') { - out->token = SL_PP_SUBASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_MINUS; - } - break; - - case '~': - out->token = SL_PP_BITNOT; - break; - - case '!': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_NOTEQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_NOT; - } - break; - - case '*': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_MULASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_STAR; - } - break; - - case '/': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_DIVASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_SLASH; - } - break; - - case '%': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_MODASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_MODULO; - } - break; - - case '<': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '<') { - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_LSHIFTASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_LSHIFT; - } - } else if (c == '=') { - out->token = SL_PP_LESSEQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_LESS; - } - break; - - case '>': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '>') { - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_RSHIFTASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_RSHIFT; - } - } else if (c == '=') { - out->token = SL_PP_GREATEREQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_GREATER; - } - break; - - case '=': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_EQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_ASSIGN; - } - break; - - case '&': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '&') { - out->token = SL_PP_AND; - } else if (c == '=') { - out->token = SL_PP_BITANDASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_BITAND; - } - break; - - case '^': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '^') { - out->token = SL_PP_XOR; - } else if (c == '=') { - out->token = SL_PP_BITXORASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_BITXOR; - } - break; - - case '|': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '|') { - out->token = SL_PP_OR; - } else if (c == '=') { - out->token = SL_PP_BITORASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_BITOR; - } - break; - - case '?': - out->token = SL_PP_QUESTION; - break; - - case ':': - out->token = SL_PP_COLON; - break; - - case '\0': - out->token = SL_PP_EOF; - break; - - case PURE_ERROR: - return -1; - - default: - if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_') { - _pure_ungetc(context, c); - if (_tokenise_identifier(context, out)) { - return -1; - } - } else if (c >= '0' && c <= '9') { - _pure_ungetc(context, c); - if (_tokenise_number(context, out)) { - return -1; - } - } else { - out->data.other = c; - out->token = SL_PP_OTHER; - } - } - - return 0; -} - - -int -sl_pp_tokenise(struct sl_pp_context *context, - struct sl_pp_token_info **output) -{ - struct sl_pp_token_info *out = NULL; - unsigned int out_len = 0; - unsigned int out_max = 0; - - for (;;) { - struct sl_pp_token_info info; - - if (sl_pp_token_buffer_get(&context->tokens, &info)) { - free(out); - return -1; - } - - if (out_len >= out_max) { - unsigned int new_max = out_max; - - if (new_max < 0x100) { - new_max = 0x100; - } else if (new_max < 0x10000) { - new_max *= 2; - } else { - new_max += 0x10000; - } - - out = realloc(out, new_max * sizeof(struct sl_pp_token_info)); - if (!out) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - out_max = new_max; - } - - out[out_len++] = info; - - if (info.token == SL_PP_EOF) { - break; - } - } - - *output = out; - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_token.h b/mesalib/src/glsl/pp/sl_pp_token.h deleted file mode 100644 index a12b19340..000000000 --- a/mesalib/src/glsl/pp/sl_pp_token.h +++ /dev/null @@ -1,133 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_TOKEN_H -#define SL_PP_TOKEN_H - - -struct sl_pp_context; - -enum sl_pp_token { - SL_PP_WHITESPACE, - SL_PP_NEWLINE, - SL_PP_HASH, /* # */ - - SL_PP_COMMA, /* , */ - SL_PP_SEMICOLON, /* ; */ - SL_PP_LBRACE, /* { */ - SL_PP_RBRACE, /* } */ - SL_PP_LPAREN, /* ( */ - SL_PP_RPAREN, /* ) */ - SL_PP_LBRACKET, /* [ */ - SL_PP_RBRACKET, /* ] */ - SL_PP_DOT, /* . */ - SL_PP_INCREMENT, /* ++ */ - SL_PP_ADDASSIGN, /* += */ - SL_PP_PLUS, /* + */ - SL_PP_DECREMENT, /* -- */ - SL_PP_SUBASSIGN, /* -= */ - SL_PP_MINUS, /* - */ - SL_PP_BITNOT, /* ~ */ - SL_PP_NOTEQUAL, /* != */ - SL_PP_NOT, /* ! */ - SL_PP_MULASSIGN, /* *= */ - SL_PP_STAR, /* * */ - SL_PP_DIVASSIGN, /* /= */ - SL_PP_SLASH, /* / */ - SL_PP_MODASSIGN, /* %= */ - SL_PP_MODULO, /* % */ - SL_PP_LSHIFTASSIGN, /* <<= */ - SL_PP_LSHIFT, /* << */ - SL_PP_LESSEQUAL, /* <= */ - SL_PP_LESS, /* < */ - SL_PP_RSHIFTASSIGN, /* >>= */ - SL_PP_RSHIFT, /* >> */ - SL_PP_GREATEREQUAL, /* >= */ - SL_PP_GREATER, /* > */ - SL_PP_EQUAL, /* == */ - SL_PP_ASSIGN, /* = */ - SL_PP_AND, /* && */ - SL_PP_BITANDASSIGN, /* &= */ - SL_PP_BITAND, /* & */ - SL_PP_XOR, /* ^^ */ - SL_PP_BITXORASSIGN, /* ^= */ - SL_PP_BITXOR, /* ^ */ - SL_PP_OR, /* || */ - SL_PP_BITORASSIGN, /* |= */ - SL_PP_BITOR, /* | */ - SL_PP_QUESTION, /* ? */ - SL_PP_COLON, /* : */ - - SL_PP_IDENTIFIER, - - SL_PP_UINT, - SL_PP_FLOAT, - - SL_PP_OTHER, - - SL_PP_PRAGMA_OPTIMIZE, - SL_PP_PRAGMA_DEBUG, - - SL_PP_EXTENSION_REQUIRE, - SL_PP_EXTENSION_ENABLE, - SL_PP_EXTENSION_WARN, - SL_PP_EXTENSION_DISABLE, - - SL_PP_LINE, - - SL_PP_EOF -}; - -union sl_pp_token_data { - int identifier; - int _uint; - int _float; - char other; - int pragma; - int extension; - struct { - unsigned int lineno: 24; - unsigned int fileno: 8; - } line; -}; - -struct sl_pp_token_info { - enum sl_pp_token token; - union sl_pp_token_data data; -}; - -struct sl_pp_purify_options; - -int -sl_pp_token_get(struct sl_pp_context *context, - struct sl_pp_token_info *out); - -int -sl_pp_tokenise(struct sl_pp_context *context, - struct sl_pp_token_info **output); - -#endif /* SL_PP_TOKEN_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_token_util.c b/mesalib/src/glsl/pp/sl_pp_token_util.c deleted file mode 100644 index c85263d9a..000000000 --- a/mesalib/src/glsl/pp/sl_pp_token_util.c +++ /dev/null @@ -1,182 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include "sl_pp_token_util.h" - - -int -sl_pp_token_buffer_init(struct sl_pp_token_buffer *buffer, - struct sl_pp_context *context) -{ - buffer->context = context; - buffer->size = 0; - buffer->capacity = 64; - buffer->tokens = malloc(buffer->capacity * sizeof(struct sl_pp_token_info)); - if (!buffer->tokens) { - return -1; - } - return 0; -} - -void -sl_pp_token_buffer_destroy(struct sl_pp_token_buffer *buffer) -{ - free(buffer->tokens); -} - -int -sl_pp_token_buffer_get(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out) -{ - /* Pop from stack first if not empty. */ - if (buffer->size) { - *out = buffer->tokens[--buffer->size]; - return 0; - } - - assert(buffer->context); - return sl_pp_token_get(buffer->context, out); -} - -void -sl_pp_token_buffer_unget(struct sl_pp_token_buffer *buffer, - const struct sl_pp_token_info *in) -{ - /* Resize if needed. */ - if (buffer->size == buffer->capacity) { - buffer->capacity += 64; - buffer->tokens = realloc(buffer->tokens, - buffer->capacity * sizeof(struct sl_pp_token_info)); - assert(buffer->tokens); - } - - /* Push token on stack. */ - buffer->tokens[buffer->size++] = *in; -} - -int -sl_pp_token_buffer_skip_white(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out) -{ - if (sl_pp_token_buffer_get(buffer, out)) { - return -1; - } - - while (out->token == SL_PP_WHITESPACE) { - if (sl_pp_token_buffer_get(buffer, out)) { - return -1; - } - } - - return 0; -} - - - -int -sl_pp_token_peek_init(struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer) -{ - peek->buffer = buffer; - peek->size = 0; - peek->capacity = 64; - peek->tokens = malloc(peek->capacity * sizeof(struct sl_pp_token_info)); - if (!peek->tokens) { - return -1; - } - return 0; -} - -void -sl_pp_token_peek_destroy(struct sl_pp_token_peek *peek) -{ - /* Abort. */ - while (peek->size) { - sl_pp_token_buffer_unget(peek->buffer, &peek->tokens[--peek->size]); - } - free(peek->tokens); -} - -int -sl_pp_token_peek_get(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out) -{ - /* Get token from buffer. */ - if (sl_pp_token_buffer_get(peek->buffer, out)) { - return -1; - } - - /* Save it. */ - if (peek->size == peek->capacity) { - peek->capacity += 64; - peek->tokens = realloc(peek->tokens, - peek->capacity * sizeof(struct sl_pp_token_info)); - assert(peek->tokens); - } - peek->tokens[peek->size++] = *out; - return 0; -} - -void -sl_pp_token_peek_commit(struct sl_pp_token_peek *peek) -{ - peek->size = 0; -} - -int -sl_pp_token_peek_to_buffer(const struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer) -{ - unsigned int i; - - if (sl_pp_token_buffer_init(buffer, NULL)) { - return -1; - } - for (i = peek->size; i > 0; i--) { - sl_pp_token_buffer_unget(buffer, &peek->tokens[i - 1]); - } - return 0; -} - -int -sl_pp_token_peek_skip_white(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out) -{ - if (sl_pp_token_peek_get(peek, out)) { - return -1; - } - - while (out->token == SL_PP_WHITESPACE) { - if (sl_pp_token_peek_get(peek, out)) { - return -1; - } - } - - return 0; -} diff --git a/mesalib/src/glsl/pp/sl_pp_token_util.h b/mesalib/src/glsl/pp/sl_pp_token_util.h deleted file mode 100644 index 2a668ad0a..000000000 --- a/mesalib/src/glsl/pp/sl_pp_token_util.h +++ /dev/null @@ -1,103 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_TOKEN_UTIL_H -#define SL_PP_TOKEN_UTIL_H - -#include <assert.h> -#include <stdlib.h> -#include "sl_pp_token.h" - - -struct sl_pp_context; - -/* - * A token buffer allows one to get and unget a token - * from a preprocessor context. - */ -struct sl_pp_token_buffer { - struct sl_pp_context *context; - unsigned int size; - unsigned int capacity; - struct sl_pp_token_info *tokens; -}; - -int -sl_pp_token_buffer_init(struct sl_pp_token_buffer *buffer, - struct sl_pp_context *context); - -void -sl_pp_token_buffer_destroy(struct sl_pp_token_buffer *buffer); - -int -sl_pp_token_buffer_get(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out); - -void -sl_pp_token_buffer_unget(struct sl_pp_token_buffer *buffer, - const struct sl_pp_token_info *in); - -int -sl_pp_token_buffer_skip_white(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out); - - -/* - * A token peek allows one to get a number of tokens from a buffer - * and then either commit the operation or abort it, - * effectively ungetting the peeked tokens. - */ -struct sl_pp_token_peek { - struct sl_pp_token_buffer *buffer; - unsigned int size; - unsigned int capacity; - struct sl_pp_token_info *tokens; -}; - -int -sl_pp_token_peek_init(struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer); - -void -sl_pp_token_peek_destroy(struct sl_pp_token_peek *peek); - -int -sl_pp_token_peek_get(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out); - -void -sl_pp_token_peek_commit(struct sl_pp_token_peek *peek); - -int -sl_pp_token_peek_to_buffer(const struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer); - -int -sl_pp_token_peek_skip_white(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out); - -#endif /* SL_PP_TOKEN_UTIL_H */ diff --git a/mesalib/src/glsl/pp/sl_pp_version.c b/mesalib/src/glsl/pp/sl_pp_version.c deleted file mode 100644 index 3c995b775..000000000 --- a/mesalib/src/glsl/pp/sl_pp_version.c +++ /dev/null @@ -1,161 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_public.h" -#include "sl_pp_context.h" - - -int -sl_pp_version(struct sl_pp_context *context, - unsigned int *version) -{ - struct sl_pp_token_peek peek; - unsigned int line = context->line; - - /* Default values if `#version' is not present. */ - *version = 110; - - if (sl_pp_token_peek_init(&peek, &context->tokens)) { - return -1; - } - - /* There can be multiple `#version' directives present. - * Accept the value of the last one. - */ - for (;;) { - struct sl_pp_token_info input; - int found_hash = 0; - int found_version = 0; - int found_number = 0; - int found_end = 0; - - /* Skip whitespace and newlines and seek for hash. */ - while (!found_hash) { - if (sl_pp_token_peek_get(&peek, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_NEWLINE: - line++; - break; - - case SL_PP_WHITESPACE: - break; - - case SL_PP_HASH: - found_hash = 1; - break; - - default: - sl_pp_token_peek_destroy(&peek); - return 0; - } - } - - /* Skip whitespace and seek for `version'. */ - while (!found_version) { - if (sl_pp_token_peek_get(&peek, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_IDENTIFIER: - if (input.data.identifier != context->dict.version) { - sl_pp_token_peek_destroy(&peek); - return 0; - } - found_version = 1; - break; - - default: - sl_pp_token_peek_destroy(&peek); - return 0; - } - } - - sl_pp_token_peek_commit(&peek); - - /* Skip whitespace and seek for version number. */ - while (!found_number) { - if (sl_pp_token_buffer_get(&context->tokens, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_UINT: - *version = atoi(sl_pp_context_cstr(context, input.data._uint)); - found_number = 1; - break; - - default: - strcpy(context->error_msg, "expected version number after `#version'"); - sl_pp_token_peek_destroy(&peek); - return -1; - } - } - - /* Skip whitespace and seek for either newline or eof. */ - while (!found_end) { - if (sl_pp_token_buffer_get(&context->tokens, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_NEWLINE: - line++; - /* pass thru */ - case SL_PP_EOF: - context->line = line; - found_end = 1; - break; - - default: - strcpy(context->error_msg, "expected end of line after version number"); - sl_pp_token_peek_destroy(&peek); - return -1; - } - } - } - - /* Should not get here. */ -} diff --git a/mesalib/src/glsl/program.h b/mesalib/src/glsl/program.h new file mode 100644 index 000000000..893169b6c --- /dev/null +++ b/mesalib/src/glsl/program.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, Inc. All Rights Reserved. + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "main/core.h" + +extern void +link_shaders(GLcontext *ctx, struct gl_shader_program *prog); diff --git a/mesalib/src/glsl/s_expression.cpp b/mesalib/src/glsl/s_expression.cpp new file mode 100644 index 000000000..4458c48d6 --- /dev/null +++ b/mesalib/src/glsl/s_expression.cpp @@ -0,0 +1,140 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <cstdio> +#include <cstdlib> +#include <cstring> +#include <assert.h> +#include "s_expression.h" + +s_symbol::s_symbol(const char *tmp, size_t n) +{ + this->str = talloc_strndup (this, tmp, n); + assert(this->str != NULL); +} + +s_list::s_list() +{ +} + +unsigned +s_list::length() const +{ + unsigned i = 0; + foreach_iter(exec_list_iterator, it, this->subexpressions) { + i++; + } + return i; +} + +static s_expression * +read_atom(void *ctx, const char *& src) +{ + s_expression *expr = NULL; + + // Skip leading spaces. + src += strspn(src, " \v\t\r\n"); + + size_t n = strcspn(src, "( \v\t\r\n)"); + if (n == 0) + return NULL; // no atom + + // Check if the atom is a number. + char *float_end = NULL; + double f = strtod(src, &float_end); + if (float_end != src) { + char *int_end = NULL; + int i = strtol(src, &int_end, 10); + // If strtod matched more characters, it must have a decimal part + if (float_end > int_end) + expr = new(ctx) s_float(f); + else + expr = new(ctx) s_int(i); + } else { + // Not a number; return a symbol. + expr = new(ctx) s_symbol(src, n); + } + + src += n; + + return expr; +} + +s_expression * +s_expression::read_expression(void *ctx, const char *&src) +{ + assert(src != NULL); + + s_expression *atom = read_atom(ctx, src); + if (atom != NULL) + return atom; + + // Skip leading spaces. + src += strspn(src, " \v\t\r\n"); + if (src[0] == '(') { + ++src; + + s_list *list = new(ctx) s_list; + s_expression *expr; + + while ((expr = read_expression(ctx, src)) != NULL) { + list->subexpressions.push_tail(expr); + } + src += strspn(src, " \v\t\r\n"); + if (src[0] != ')') { + printf("Unclosed expression (check your parenthesis).\n"); + return NULL; + } + ++src; + return list; + } + return NULL; +} + +void s_int::print() +{ + printf("%d", this->val); +} + +void s_float::print() +{ + printf("%f", this->val); +} + +void s_symbol::print() +{ + printf("%s", this->str); +} + +void s_list::print() +{ + printf("("); + foreach_iter(exec_list_iterator, it, this->subexpressions) { + s_expression *expr = (s_expression*) it.get(); + expr->print(); + printf(" "); + } + printf(")"); +} + diff --git a/mesalib/src/glsl/s_expression.h b/mesalib/src/glsl/s_expression.h new file mode 100644 index 000000000..aa22475a1 --- /dev/null +++ b/mesalib/src/glsl/s_expression.h @@ -0,0 +1,142 @@ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef S_EXPRESSION_H +#define S_EXPRESSION_H + +#include "list.h" + +#define SX_AS_(t,x) ((x) && ((s_expression*) x)->is_##t()) ? ((s_##t*) (x)) \ + : NULL +#define SX_AS_LIST(x) SX_AS_(list, x) +#define SX_AS_SYMBOL(x) SX_AS_(symbol, x) +#define SX_AS_NUMBER(x) SX_AS_(number, x) +#define SX_AS_INT(x) SX_AS_(int, x) + +/* For our purposes, S-Expressions are: + * - <int> + * - <float> + * - symbol + * - (expr1 expr2 ... exprN) where exprN is an S-Expression + * + * Unlike LISP/Scheme, we do not support (foo . bar) pairs. + */ +class s_expression : public exec_node +{ +public: + /** + * Read an S-Expression from the given string. + * Advances the supplied pointer to just after the expression read. + * + * Any allocation will be performed with 'ctx' as the talloc owner. + */ + static s_expression *read_expression(void *ctx, const char *&src); + + /** + * Print out an S-Expression. Useful for debugging. + */ + virtual void print() = 0; + + virtual bool is_list() const { return false; } + virtual bool is_symbol() const { return false; } + virtual bool is_number() const { return false; } + virtual bool is_int() const { return false; } + +protected: + s_expression() { } +}; + +/* Atoms */ + +class s_number : public s_expression +{ +public: + bool is_number() const { return true; } + + virtual float fvalue() = 0; + +protected: + s_number() { } +}; + +class s_int : public s_number +{ +public: + s_int(int x) : val(x) { } + + bool is_int() const { return true; } + + float fvalue() { return float(this->val); } + int value() { return this->val; } + + void print(); + +private: + int val; +}; + +class s_float : public s_number +{ +public: + s_float(float x) : val(x) { } + + float fvalue() { return this->val; } + + void print(); + +private: + float val; +}; + +class s_symbol : public s_expression +{ +public: + s_symbol(const char *, size_t); + + bool is_symbol() const { return true; } + + const char *value() { return this->str; } + + void print(); + +private: + char *str; +}; + +/* Lists of expressions: (expr1 ... exprN) */ +class s_list : public s_expression +{ +public: + s_list(); + + virtual bool is_list() const { return true; } + unsigned length() const; + + void print(); + + exec_list subexpressions; +}; + +#endif /* S_EXPRESSION_H */ |