src/mesa/main/shaderobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2004-2007  Brian Paul   All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef SHADEROBJ_H
  27 #define SHADEROBJ_H
  28
  29
  30 #include "main/compiler.h"
  31 #include "main/glheader.h"
  32 #include "main/mtypes.h"
  33 #include "program/ir_to_mesa.h"
  34
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40
  41 /**
  42  * Internal functions
  43  */
  44
  45 extern void
  46 _mesa_init_shader_state(struct gl_context * ctx);
  47
  48 extern void
  49 _mesa_free_shader_state(struct gl_context *ctx);
  50
  51
  52 extern void
  53 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
  54                        struct gl_shader *sh);
  55
  56 extern struct gl_shader *
  57 _mesa_lookup_shader(struct gl_context *ctx, GLuint name);
  58
  59 extern struct gl_shader *
  60 _mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller);
  61
  62
  63
  64 extern void
  65 _mesa_reference_shader_program(struct gl_context *ctx,
  66                                struct gl_shader_program **ptr,
  67                                struct gl_shader_program *shProg);
  68 extern void
  69 _mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
  70
  71 extern struct gl_shader *
  72 _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
  73
  74 extern void
  75 _mesa_init_shader_program(struct gl_shader_program *prog);
  76
  77 extern struct gl_shader_program *
  78 _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name);
  79
  80 extern struct gl_shader_program *
  81 _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name,
  82                                 const char *caller);
  83
  84 extern void
  85 _mesa_clear_shader_program_data(struct gl_shader_program *shProg);
  86
  87 extern void
  88 _mesa_free_shader_program_data(struct gl_context *ctx,
  89                                struct gl_shader_program *shProg);
  90
  91
  92
  93 extern void
  94 _mesa_init_shader_object_functions(struct dd_function_table *driver);
  95
  96 static inline gl_shader_stage
  97 _mesa_shader_enum_to_shader_stage(GLenum v)
  98 {
  99    switch (v) {
 100    case GL_VERTEX_SHADER:
 101       return MESA_SHADER_VERTEX;
 102    case GL_FRAGMENT_SHADER:
 103       return MESA_SHADER_FRAGMENT;
 104    case GL_GEOMETRY_SHADER:
 105       return MESA_SHADER_GEOMETRY;
 106    case GL_COMPUTE_SHADER:
 107       return MESA_SHADER_COMPUTE;
 108    default:
 109       ASSERT(0 && "bad value in _mesa_shader_enum_to_shader_stage()");
 110       return MESA_SHADER_VERTEX;
 111    }
 112 }
 113
 114
 115 #ifdef __cplusplus
 116 }
 117 #endif
 118
 119 #endif /* SHADEROBJ_H */