| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 2004-2007 Brian Paul 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, 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 |
| * 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 SHADEROBJ_H |
| #define SHADEROBJ_H |
| |
| |
| #include "main/compiler.h" |
| #include "main/glheader.h" |
| #include "main/mtypes.h" |
| #include "program/ir_to_mesa.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /** |
| * Internal functions |
| */ |
| |
| extern void |
| _mesa_init_shader_state(struct gl_context * ctx); |
| |
| extern void |
| _mesa_free_shader_state(struct gl_context *ctx); |
| |
| |
| extern void |
| _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, |
| struct gl_shader *sh); |
| |
| extern struct gl_shader * |
| _mesa_lookup_shader(struct gl_context *ctx, GLuint name); |
| |
| extern struct gl_shader * |
| _mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller); |
| |
| |
| |
| extern void |
| _mesa_reference_shader_program_(struct gl_context *ctx, |
| struct gl_shader_program **ptr, |
| struct gl_shader_program *shProg); |
| |
| void |
| _mesa_reference_shader_program_data(struct gl_context *ctx, |
| struct gl_shader_program_data **ptr, |
| struct gl_shader_program_data *data); |
| |
| static inline void |
| _mesa_reference_shader_program(struct gl_context *ctx, |
| struct gl_shader_program **ptr, |
| struct gl_shader_program *shProg) |
| { |
| if (*ptr != shProg) |
| _mesa_reference_shader_program_(ctx, ptr, shProg); |
| } |
| |
| extern struct gl_shader * |
| _mesa_new_shader(GLuint name, gl_shader_stage type); |
| |
| extern void |
| _mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh); |
| |
| extern void |
| _mesa_delete_linked_shader(struct gl_context *ctx, |
| struct gl_linked_shader *sh); |
| |
| extern struct gl_shader_program * |
| _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name); |
| |
| extern struct gl_shader_program * |
| _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name, |
| const char *caller); |
| |
| extern struct gl_shader_program * |
| _mesa_new_shader_program(GLuint name); |
| |
| extern void |
| _mesa_clear_shader_program_data(struct gl_context *ctx, |
| struct gl_shader_program *shProg); |
| |
| extern void |
| _mesa_free_shader_program_data(struct gl_context *ctx, |
| struct gl_shader_program *shProg); |
| |
| extern void |
| _mesa_delete_shader_program(struct gl_context *ctx, |
| struct gl_shader_program *shProg); |
| |
| |
| extern void |
| _mesa_init_shader_object_functions(struct dd_function_table *driver); |
| |
| static inline gl_shader_stage |
| _mesa_shader_enum_to_shader_stage(GLenum v) |
| { |
| switch (v) { |
| case GL_VERTEX_SHADER: |
| return MESA_SHADER_VERTEX; |
| case GL_FRAGMENT_SHADER: |
| return MESA_SHADER_FRAGMENT; |
| case GL_GEOMETRY_SHADER: |
| return MESA_SHADER_GEOMETRY; |
| case GL_TESS_CONTROL_SHADER: |
| return MESA_SHADER_TESS_CTRL; |
| case GL_TESS_EVALUATION_SHADER: |
| return MESA_SHADER_TESS_EVAL; |
| case GL_COMPUTE_SHADER: |
| return MESA_SHADER_COMPUTE; |
| default: |
| unreachable("bad value in _mesa_shader_enum_to_shader_stage()"); |
| } |
| } |
| |
| /* 8 bytes + another underscore */ |
| #define MESA_SUBROUTINE_PREFIX_LEN 9 |
| static inline const char * |
| _mesa_shader_stage_to_subroutine_prefix(gl_shader_stage stage) |
| { |
| switch (stage) { |
| case MESA_SHADER_VERTEX: |
| return "__subu_v"; |
| case MESA_SHADER_GEOMETRY: |
| return "__subu_g"; |
| case MESA_SHADER_FRAGMENT: |
| return "__subu_f"; |
| case MESA_SHADER_COMPUTE: |
| return "__subu_c"; |
| case MESA_SHADER_TESS_CTRL: |
| return "__subu_t"; |
| case MESA_SHADER_TESS_EVAL: |
| return "__subu_e"; |
| default: |
| return NULL; |
| } |
| } |
| |
| static inline gl_shader_stage |
| _mesa_shader_stage_from_subroutine_uniform(GLenum subuniform) |
| { |
| switch (subuniform) { |
| case GL_VERTEX_SUBROUTINE_UNIFORM: |
| return MESA_SHADER_VERTEX; |
| case GL_GEOMETRY_SUBROUTINE_UNIFORM: |
| return MESA_SHADER_GEOMETRY; |
| case GL_FRAGMENT_SUBROUTINE_UNIFORM: |
| return MESA_SHADER_FRAGMENT; |
| case GL_COMPUTE_SUBROUTINE_UNIFORM: |
| return MESA_SHADER_COMPUTE; |
| case GL_TESS_CONTROL_SUBROUTINE_UNIFORM: |
| return MESA_SHADER_TESS_CTRL; |
| case GL_TESS_EVALUATION_SUBROUTINE_UNIFORM: |
| return MESA_SHADER_TESS_EVAL; |
| } |
| unreachable("not reached"); |
| } |
| |
| static inline gl_shader_stage |
| _mesa_shader_stage_from_subroutine(GLenum subroutine) |
| { |
| switch (subroutine) { |
| case GL_VERTEX_SUBROUTINE: |
| return MESA_SHADER_VERTEX; |
| case GL_GEOMETRY_SUBROUTINE: |
| return MESA_SHADER_GEOMETRY; |
| case GL_FRAGMENT_SUBROUTINE: |
| return MESA_SHADER_FRAGMENT; |
| case GL_COMPUTE_SUBROUTINE: |
| return MESA_SHADER_COMPUTE; |
| case GL_TESS_CONTROL_SUBROUTINE: |
| return MESA_SHADER_TESS_CTRL; |
| case GL_TESS_EVALUATION_SUBROUTINE: |
| return MESA_SHADER_TESS_EVAL; |
| } |
| unreachable("not reached"); |
| } |
| |
| static inline GLenum |
| _mesa_shader_stage_to_subroutine(gl_shader_stage stage) |
| { |
| switch (stage) { |
| case MESA_SHADER_VERTEX: |
| return GL_VERTEX_SUBROUTINE; |
| case MESA_SHADER_GEOMETRY: |
| return GL_GEOMETRY_SUBROUTINE; |
| case MESA_SHADER_FRAGMENT: |
| return GL_FRAGMENT_SUBROUTINE; |
| case MESA_SHADER_COMPUTE: |
| return GL_COMPUTE_SUBROUTINE; |
| case MESA_SHADER_TESS_CTRL: |
| return GL_TESS_CONTROL_SUBROUTINE; |
| case MESA_SHADER_TESS_EVAL: |
| return GL_TESS_EVALUATION_SUBROUTINE; |
| } |
| unreachable("not reached"); |
| } |
| |
| static inline GLenum |
| _mesa_shader_stage_to_subroutine_uniform(gl_shader_stage stage) |
| { |
| switch (stage) { |
| case MESA_SHADER_VERTEX: |
| return GL_VERTEX_SUBROUTINE_UNIFORM; |
| case MESA_SHADER_GEOMETRY: |
| return GL_GEOMETRY_SUBROUTINE_UNIFORM; |
| case MESA_SHADER_FRAGMENT: |
| return GL_FRAGMENT_SUBROUTINE_UNIFORM; |
| case MESA_SHADER_COMPUTE: |
| return GL_COMPUTE_SUBROUTINE_UNIFORM; |
| case MESA_SHADER_TESS_CTRL: |
| return GL_TESS_CONTROL_SUBROUTINE_UNIFORM; |
| case MESA_SHADER_TESS_EVAL: |
| return GL_TESS_EVALUATION_SUBROUTINE_UNIFORM; |
| } |
| unreachable("not reached"); |
| } |
| |
| extern bool |
| _mesa_validate_pipeline_io(struct gl_pipeline_object *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* SHADEROBJ_H */ |