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/*
* 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);
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 void
_mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
extern struct gl_shader *
_mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
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 void
_mesa_clear_shader_program_data(struct gl_shader_program *shProg);
extern void
_mesa_free_shader_program_data(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:
assert(0 && "bad value in _mesa_shader_enum_to_shader_stage()");
return MESA_SHADER_VERTEX;
}
}
/* 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) {
default:
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;
}
}
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;
}
}
static inline GLenum
_mesa_shader_stage_to_subroutine(gl_shader_stage stage)
{
switch (stage) {
default:
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;
}
}
static inline GLenum
_mesa_shader_stage_to_subroutine_uniform(gl_shader_stage stage)
{
switch (stage) {
default:
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;
}
}
#ifdef __cplusplus
}
#endif
#endif /* SHADEROBJ_H */
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