diff options
Diffstat (limited to 'mesalib/src/mesa/shader/program_parse.y')
-rw-r--r-- | mesalib/src/mesa/shader/program_parse.y | 135 |
1 files changed, 93 insertions, 42 deletions
diff --git a/mesalib/src/mesa/shader/program_parse.y b/mesalib/src/mesa/shader/program_parse.y index 8ca6f9805..d5fb0fac3 100644 --- a/mesalib/src/mesa/shader/program_parse.y +++ b/mesalib/src/mesa/shader/program_parse.y @@ -27,14 +27,14 @@ #include "main/mtypes.h" #include "main/imports.h" -#include "program.h" -#include "prog_parameter.h" -#include "prog_parameter_layout.h" -#include "prog_statevars.h" -#include "prog_instruction.h" +#include "shader/program.h" +#include "shader/prog_parameter.h" +#include "shader/prog_parameter_layout.h" +#include "shader/prog_statevars.h" +#include "shader/prog_instruction.h" -#include "symbol_table.h" -#include "program_parser.h" +#include "shader/symbol_table.h" +#include "shader/program_parser.h" extern void *yy_scan_string(char *); extern void yy_delete_buffer(void *); @@ -52,7 +52,8 @@ static int initialize_symbol_from_param(struct gl_program *prog, struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]); static int initialize_symbol_from_const(struct gl_program *prog, - struct asm_symbol *param_var, const struct asm_vector *vec); + struct asm_symbol *param_var, const struct asm_vector *vec, + GLboolean allowSwizzle); static int yyparse(struct asm_parser_state *state); @@ -74,6 +75,9 @@ static void init_src_reg(struct asm_src_register *r); static void set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index); +static void set_src_reg_swz(struct asm_src_register *r, + gl_register_file file, GLint index, GLuint swizzle); + static void asm_instruction_set_operands(struct asm_instruction *inst, const struct prog_dst_register *dst, const struct asm_src_register *src0, const struct asm_src_register *src1, const struct asm_src_register *src2); @@ -586,9 +590,11 @@ scalarUse: srcReg scalarSuffix memset(& temp_sym, 0, sizeof(temp_sym)); temp_sym.param_binding_begin = ~0; - initialize_symbol_from_const(state->prog, & temp_sym, & $1); + initialize_symbol_from_const(state->prog, & temp_sym, & $1, GL_TRUE); - set_src_reg(& $$, PROGRAM_CONSTANT, temp_sym.param_binding_begin); + set_src_reg_swz(& $$, PROGRAM_CONSTANT, + temp_sym.param_binding_begin, + temp_sym.param_binding_swizzle); } ; @@ -790,7 +796,9 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */ set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding); break; case at_param: - set_src_reg(& $$, s->param_binding_type, s->param_binding_begin); + set_src_reg_swz(& $$, s->param_binding_type, + s->param_binding_begin, + s->param_binding_swizzle); break; case at_attrib: set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding); @@ -841,7 +849,8 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */ gl_register_file file = ($1.name != NULL) ? $1.param_binding_type : PROGRAM_CONSTANT; - set_src_reg(& $$, file, $1.param_binding_begin); + set_src_reg_swz(& $$, file, $1.param_binding_begin, + $1.param_binding_swizzle); } ; @@ -1047,7 +1056,7 @@ ccMaskRule: IDENTIFIER ? err_str : "invalid condition code"); if (err_str != NULL) { - _mesa_free(err_str); + free(err_str); } YYERROR; @@ -1070,7 +1079,7 @@ ccMaskRule2: USED_IDENTIFIER ? err_str : "invalid condition code"); if (err_str != NULL) { - _mesa_free(err_str); + free(err_str); } YYERROR; @@ -1210,6 +1219,7 @@ PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit s->param_binding_type = $3.param_binding_type; s->param_binding_begin = $3.param_binding_begin; s->param_binding_length = $3.param_binding_length; + s->param_binding_swizzle = SWIZZLE_XYZW; s->param_is_array = 0; } } @@ -1233,6 +1243,7 @@ PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit s->param_binding_type = $6.param_binding_type; s->param_binding_begin = $6.param_binding_begin; s->param_binding_length = $6.param_binding_length; + s->param_binding_swizzle = SWIZZLE_XYZW; s->param_is_array = 1; } } @@ -1290,7 +1301,7 @@ paramSingleItemDecl: stateSingleItem { memset(& $$, 0, sizeof($$)); $$.param_binding_begin = ~0; - initialize_symbol_from_const(state->prog, & $$, & $1); + initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE); } ; @@ -1310,7 +1321,7 @@ paramSingleItemUse: stateSingleItem { memset(& $$, 0, sizeof($$)); $$.param_binding_begin = ~0; - initialize_symbol_from_const(state->prog, & $$, & $1); + initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE); } ; @@ -1330,7 +1341,7 @@ paramMultipleItem: stateMultipleItem { memset(& $$, 0, sizeof($$)); $$.param_binding_begin = ~0; - initialize_symbol_from_const(state->prog, & $$, & $1); + initialize_symbol_from_const(state->prog, & $$, & $1, GL_FALSE); } ; @@ -1945,7 +1956,7 @@ optVarSize: string ? err_str : "invalid storage size specifier"); if (err_str != NULL) { - _mesa_free(err_str); + free(err_str); } YYERROR; @@ -2287,7 +2298,9 @@ set_dst_reg(struct prog_dst_register *r, gl_register_file file, GLint index) const GLint maxIndex = 1 << INST_INDEX_BITS; const GLint minIndex = 0; ASSERT(index >= minIndex); + (void) minIndex; ASSERT(index <= maxIndex); + (void) maxIndex; ASSERT(file == PROGRAM_TEMPORARY || file == PROGRAM_ADDRESS || file == PROGRAM_OUTPUT); @@ -2310,19 +2323,31 @@ init_src_reg(struct asm_src_register *r) } -/** Like init_src_reg() but set the File and Index fields. */ +/** Like init_src_reg() but set the File and Index fields. + * \return GL_TRUE if a valid src register, GL_FALSE otherwise + */ void set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index) { + set_src_reg_swz(r, file, index, SWIZZLE_XYZW); +} + + +void +set_src_reg_swz(struct asm_src_register *r, gl_register_file file, GLint index, + GLuint swizzle) +{ const GLint maxIndex = (1 << INST_INDEX_BITS) - 1; const GLint minIndex = -(1 << INST_INDEX_BITS); + ASSERT(file < PROGRAM_FILE_MAX); ASSERT(index >= minIndex); + (void) minIndex; ASSERT(index <= maxIndex); - ASSERT(file < PROGRAM_FILE_MAX); + (void) maxIndex; memset(r, 0, sizeof(*r)); r->Base.File = file; r->Base.Index = index; - r->Base.Swizzle = SWIZZLE_NOOP; + r->Base.Swizzle = swizzle; r->Symbol = NULL; } @@ -2417,7 +2442,7 @@ int add_state_reference(struct gl_program_parameter_list *param_list, param_list->StateFlags |= _mesa_program_state_flags(tokens); /* free name string here since we duplicated it in add_parameter() */ - _mesa_free(name); + free(name); return index; } @@ -2454,15 +2479,20 @@ initialize_symbol_from_state(struct gl_program *prog, state_tokens[2] = state_tokens[3] = row; idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } + param_var->param_binding_length++; } } else { idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } param_var->param_binding_length++; } @@ -2486,9 +2516,12 @@ initialize_symbol_from_param(struct gl_program *prog, assert((state_tokens[1] == STATE_ENV) || (state_tokens[1] == STATE_LOCAL)); + /* + * The param type is STATE_VAR. The program parameter entry will + * effectively be a pointer into the LOCAL or ENV parameter array. + */ param_var->type = at_param; - param_var->param_binding_type = (state_tokens[1] == STATE_ENV) - ? PROGRAM_ENV_PARAM : PROGRAM_LOCAL_PARAM; + param_var->param_binding_type = PROGRAM_STATE_VAR; /* If we are adding a STATE_ENV or STATE_LOCAL that has multiple elements, * we need to unroll it and call add_state_reference() for each row @@ -2502,15 +2535,19 @@ initialize_symbol_from_param(struct gl_program *prog, state_tokens[2] = state_tokens[3] = row; idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } param_var->param_binding_length++; } } else { idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } param_var->param_binding_length++; } @@ -2518,20 +2555,34 @@ initialize_symbol_from_param(struct gl_program *prog, } +/** + * Put a float/vector constant/literal into the parameter list. + * \param param_var returns info about the parameter/constant's location, + * binding, type, etc. + * \param vec the vector/constant to add + * \param allowSwizzle if true, try to consolidate constants which only differ + * by a swizzle. We don't want to do this when building + * arrays of constants that may be indexed indirectly. + * \return index of the constant in the parameter list. + */ int initialize_symbol_from_const(struct gl_program *prog, struct asm_symbol *param_var, - const struct asm_vector *vec) + const struct asm_vector *vec, + GLboolean allowSwizzle) { - const int idx = _mesa_add_parameter(prog->Parameters, PROGRAM_CONSTANT, - NULL, vec->count, GL_NONE, vec->data, - NULL, 0x0); + unsigned swizzle; + const int idx = _mesa_add_unnamed_constant(prog->Parameters, + vec->data, vec->count, + allowSwizzle ? &swizzle : NULL); param_var->type = at_param; param_var->param_binding_type = PROGRAM_CONSTANT; - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = allowSwizzle ? swizzle : SWIZZLE_XYZW; + } param_var->param_binding_length++; return idx; @@ -2548,7 +2599,7 @@ make_error_string(const char *fmt, ...) va_start(args, fmt); /* Call vsnprintf once to determine how large the final string is. Call it - * again to do the actual formatting. from the vsnprintf manual page: + * again to do the actual formatting. from the v_mesa_snprintf manual page: * * Upon successful return, these functions return the number of * characters printed (not including the trailing '\0' used to end @@ -2556,7 +2607,7 @@ make_error_string(const char *fmt, ...) */ length = 1 + vsnprintf(NULL, 0, fmt, args); - str = _mesa_malloc(length); + str = malloc(length); if (str) { vsnprintf(str, length, fmt, args); } @@ -2576,7 +2627,7 @@ yyerror(YYLTYPE *locp, struct asm_parser_state *state, const char *s) err_str = make_error_string("glProgramStringARB(%s)\n", s); if (err_str) { _mesa_error(state->ctx, GL_INVALID_OPERATION, err_str); - _mesa_free(err_str); + free(err_str); } err_str = make_error_string("line %u, char %u: error: %s\n", @@ -2584,7 +2635,7 @@ yyerror(YYLTYPE *locp, struct asm_parser_state *state, const char *s) _mesa_set_program_error(state->ctx, locp->position, err_str); if (err_str) { - _mesa_free(err_str); + free(err_str); } } @@ -2606,12 +2657,12 @@ _mesa_parse_arb_program(GLcontext *ctx, GLenum target, const GLubyte *str, /* Make a copy of the program string and force it to be NUL-terminated. */ - strz = (GLubyte *) _mesa_malloc(len + 1); + strz = (GLubyte *) malloc(len + 1); if (strz == NULL) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB"); return GL_FALSE; } - _mesa_memcpy (strz, str, len); + memcpy (strz, str, len); strz[len] = '\0'; state->prog->String = strz; @@ -2694,7 +2745,7 @@ _mesa_parse_arb_program(GLcontext *ctx, GLenum target, const GLubyte *str, error: for (inst = state->inst_head; inst != NULL; inst = temp) { temp = inst->next; - _mesa_free(inst); + free(inst); } state->inst_head = NULL; @@ -2703,8 +2754,8 @@ error: for (sym = state->sym; sym != NULL; sym = temp) { temp = sym->next; - _mesa_free((void *) sym->name); - _mesa_free(sym); + free((void *) sym->name); + free(sym); } state->sym = NULL; |