diff options
Diffstat (limited to 'src/glsl/builtin_function.cpp')
-rw-r--r-- | src/glsl/builtin_function.cpp | 218 |
1 files changed, 166 insertions, 52 deletions
diff --git a/src/glsl/builtin_function.cpp b/src/glsl/builtin_function.cpp index 967bcd0c40..10e59e491e 100644 --- a/src/glsl/builtin_function.cpp +++ b/src/glsl/builtin_function.cpp @@ -25,22 +25,41 @@ #include <stdio.h> #include "glsl_parser_extras.h" #include "ir_reader.h" +#include "program.h" -void -read_builtins(_mesa_glsl_parse_state *st, exec_list *instructions, - const char **functions, unsigned count) +extern "C" struct gl_shader * +_mesa_new_shader(GLcontext *ctx, GLuint name, GLenum type); + +gl_shader * +read_builtins(GLenum target, const char **functions, unsigned count) { - if (st->error) - return; + gl_shader *sh = _mesa_new_shader(NULL, 0, target); + struct _mesa_glsl_parse_state *st = + new(sh) _mesa_glsl_parse_state(NULL, target, sh); + + st->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; for (unsigned i = 0; i < count; i++) { - _mesa_glsl_read_ir(st, instructions, functions[i]); + _mesa_glsl_read_ir(st, sh->ir, functions[i]); if (st->error) { printf("error reading builtin: %.35s ...\n", functions[i]); - return; + delete st; + talloc_free(sh); + return NULL; } } + + reparent_ir(sh->ir, sh); + delete st; + + return sh; } /* 110 builtins */ @@ -2580,7 +2599,9 @@ static const char *functions_for_110_fs [] = { /* 110_vs builtins */ static const char *builtins_110_vs_ftransform = { - "((function ftransform\n" + "((declare (uniform) mat4 gl_ModelViewProjectionMatrix)\n" + " (declare (in) vec4 gl_Vertex)\n" + " (function ftransform\n" " (signature vec4\n" " (parameters)\n" " ((return (expression vec4 *\n" @@ -4760,53 +4781,146 @@ static const char *functions_for_EXT_texture_array_fs [] = { #define Elements(x) (sizeof(x)/sizeof(*(x))) #endif +void *builtin_mem_ctx = NULL; + +void +_mesa_glsl_release_functions(void) +{ + talloc_free(builtin_mem_ctx); +} + void _mesa_glsl_initialize_functions(exec_list *instructions, struct _mesa_glsl_parse_state *state) { - if (state->language_version >= 110) - read_builtins(state, instructions, - functions_for_110, - Elements(functions_for_110)); - - if (state->target == fragment_shader && state->language_version >= 110) - read_builtins(state, instructions, - functions_for_110_fs, - Elements(functions_for_110_fs)); - - if (state->target == vertex_shader && state->language_version >= 110) - read_builtins(state, instructions, - functions_for_110_vs, - Elements(functions_for_110_vs)); - - if (state->language_version >= 120) - read_builtins(state, instructions, - functions_for_120, - Elements(functions_for_120)); - - if (state->language_version >= 130) - read_builtins(state, instructions, - functions_for_130, - Elements(functions_for_130)); - - if (state->target == fragment_shader && state->language_version >= 130) - read_builtins(state, instructions, - functions_for_130_fs, - Elements(functions_for_130_fs)); - - if (state->ARB_texture_rectangle_enable) - read_builtins(state, instructions, - functions_for_ARB_texture_rectangle, - Elements(functions_for_ARB_texture_rectangle)); - - if (state->EXT_texture_array_enable) - read_builtins(state, instructions, - functions_for_EXT_texture_array, - Elements(functions_for_EXT_texture_array)); - - if (state->target == fragment_shader && state->EXT_texture_array_enable) - read_builtins(state, instructions, - functions_for_EXT_texture_array_fs, - Elements(functions_for_EXT_texture_array_fs)); + if (builtin_mem_ctx == NULL) + builtin_mem_ctx = talloc_init("GLSL built-in functions"); + + state->num_builtins_to_link = 0; + if (state->language_version >= 110) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_110, + Elements(functions_for_110)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->target == fragment_shader && state->language_version >= 110) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_110_fs, + Elements(functions_for_110_fs)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->target == vertex_shader && state->language_version >= 110) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_110_vs, + Elements(functions_for_110_vs)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->language_version >= 120) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_120, + Elements(functions_for_120)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->language_version >= 130) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_130, + Elements(functions_for_130)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->target == fragment_shader && state->language_version >= 130) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_130_fs, + Elements(functions_for_130_fs)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->ARB_texture_rectangle_enable) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_ARB_texture_rectangle, + Elements(functions_for_ARB_texture_rectangle)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->EXT_texture_array_enable) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_EXT_texture_array, + Elements(functions_for_EXT_texture_array)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } + + if (state->target == fragment_shader && state->EXT_texture_array_enable) { + static gl_shader *sh = NULL; + + if (sh == NULL) { + sh = read_builtins(GL_VERTEX_SHADER, functions_for_EXT_texture_array_fs, + Elements(functions_for_EXT_texture_array_fs)); + talloc_steal(builtin_mem_ctx, sh); + } + + import_prototypes(sh->ir, instructions, state->symbols, state); + state->builtins_to_link[state->num_builtins_to_link] = sh; + state->num_builtins_to_link++; + } } |