diff options
Diffstat (limited to 'mesalib/src/glsl/glsl_parser_extras.h')
-rw-r--r-- | mesalib/src/glsl/glsl_parser_extras.h | 500 |
1 files changed, 251 insertions, 249 deletions
diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h index 9c16d5de8..92029e2e8 100644 --- a/mesalib/src/glsl/glsl_parser_extras.h +++ b/mesalib/src/glsl/glsl_parser_extras.h @@ -1,249 +1,251 @@ -/*
- * 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
-};
-
-struct gl_context;
-
-struct _mesa_glsl_parse_state {
- _mesa_glsl_parse_state(struct gl_context *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;
- const char *version_string;
- 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;
-
- /**
- * Are all shader inputs / outputs invariant?
- *
- * This is set when the 'STDGL invariant(all)' pragma is used.
- */
- bool all_invariant;
-
- /** 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_draw_instanced_enable:1;
- unsigned ARB_draw_instanced_warn:1;
- unsigned ARB_explicit_attrib_location_enable:1;
- unsigned ARB_explicit_attrib_location_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;
- unsigned ARB_shader_stencil_export_enable:1;
- unsigned ARB_shader_stencil_export_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 */
+/* + * 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 +}; + +struct gl_context; + +struct _mesa_glsl_parse_state { + _mesa_glsl_parse_state(struct gl_context *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; + const char *version_string; + 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; + + /** + * Are all shader inputs / outputs invariant? + * + * This is set when the 'STDGL invariant(all)' pragma is used. + */ + bool all_invariant; + + /** 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_draw_instanced_enable:1; + unsigned ARB_draw_instanced_warn:1; + unsigned ARB_explicit_attrib_location_enable:1; + unsigned ARB_explicit_attrib_location_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; + unsigned ARB_shader_stencil_export_enable:1; + unsigned ARB_shader_stencil_export_warn:1; + unsigned AMD_conservative_depth_enable:1; + unsigned AMD_conservative_depth_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 */ |