src/mesa/main/shaderobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.3
   4  *
   5  * Copyright (C) 2004-2007  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 #ifndef SHADEROBJ_H
  28 #define SHADEROBJ_H
  29
  30
  31 #include "main/compiler.h"
  32 #include "main/glheader.h"
  33 #include "main/mtypes.h"
  34 #include "program/ir_to_mesa.h"
  35
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41
  42 /**
  43  * Internal functions
  44  */
  45
  46 extern void
  47 _mesa_init_shader_state(struct gl_context * ctx);
  48
  49 extern void
  50 _mesa_free_shader_state(struct gl_context *ctx);
  51
  52
  53 extern void
  54 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
  55                        struct gl_shader *sh);
  56
  57 extern struct gl_shader *
  58 _mesa_lookup_shader(struct gl_context *ctx, GLuint name);
  59
  60 extern struct gl_shader *
  61 _mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller);
  62
  63
  64
  65 extern void
  66 _mesa_reference_shader_program(struct gl_context *ctx,
  67                                struct gl_shader_program **ptr,
  68                                struct gl_shader_program *shProg);
  69 extern void
  70 _mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
  71
  72 extern struct gl_shader *
  73 _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
  74
  75 extern void
  76 _mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog);
  77
  78 extern struct gl_shader_program *
  79 _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name);
  80
  81 extern struct gl_shader_program *
  82 _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name,
  83                                 const char *caller);
  84
  85 extern void
  86 _mesa_clear_shader_program_data(struct gl_context *ctx,
  87                                 struct gl_shader_program *shProg);
  88
  89 extern void
  90 _mesa_free_shader_program_data(struct gl_context *ctx,
  91                                struct gl_shader_program *shProg);
  92
  93
  94
  95 extern void
  96 _mesa_init_shader_object_functions(struct dd_function_table *driver);
  97
  98 extern void
  99 _mesa_init_shader_state(struct gl_context *ctx);
 100
 101 extern void
 102 _mesa_free_shader_state(struct gl_context *ctx);
 103
 104
 105 static inline gl_shader_type
 106 _mesa_shader_type_to_index(GLenum v)
 107 {
 108    switch (v) {
 109    case GL_VERTEX_SHADER:
 110       return MESA_SHADER_VERTEX;
 111    case GL_FRAGMENT_SHADER:
 112       return MESA_SHADER_FRAGMENT;
 113    case GL_GEOMETRY_SHADER:
 114       return MESA_SHADER_GEOMETRY;
 115    default:
 116       ASSERT(0 && "bad value in _mesa_shader_type_to_index()");
 117       return MESA_SHADER_TYPES;
 118    }
 119 }
 120
 121
 122 static inline GLenum
 123 _mesa_shader_index_to_type(GLuint i)
 124 {
 125    static const GLenum enums[MESA_SHADER_TYPES] = {
 126       GL_VERTEX_SHADER,
 127       GL_FRAGMENT_SHADER,
 128       GL_GEOMETRY_SHADER ,
 129    };
 130    if (i >= MESA_SHADER_TYPES)
 131       return 0;
 132    else
 133       return enums[i];
 134 }
 135
 136
 137 #ifdef __cplusplus
 138 }
 139 #endif
 140
 141 #endif /* SHADEROBJ_H */