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  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.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22.  * CONNECTION WITH THE SOFTWARE OR THE USE OR 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. #ifdef __cplusplus
  36. extern "C" {
  37. #endif
  38. /**
  39.  * Internal functions
  40.  */
  41.  
  42. extern void
  43. _mesa_init_shader_state(struct gl_context * ctx);
  44.  
  45. extern void
  46. _mesa_free_shader_state(struct gl_context *ctx);
  47.  
  48.  
  49. extern void
  50. _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
  51.                        struct gl_shader *sh);
  52.  
  53. extern struct gl_shader *
  54. _mesa_lookup_shader(struct gl_context *ctx, GLuint name);
  55.  
  56. extern struct gl_shader *
  57. _mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller);
  58.  
  59.  
  60.  
  61. extern void
  62. _mesa_reference_shader_program(struct gl_context *ctx,
  63.                                struct gl_shader_program **ptr,
  64.                                struct gl_shader_program *shProg);
  65. extern void
  66. _mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
  67.  
  68. extern struct gl_shader *
  69. _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
  70.  
  71. extern void
  72. _mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog);
  73.  
  74. extern struct gl_shader_program *
  75. _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name);
  76.  
  77. extern struct gl_shader_program *
  78. _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name,
  79.                                 const char *caller);
  80.  
  81. extern void
  82. _mesa_clear_shader_program_data(struct gl_context *ctx,
  83.                                 struct gl_shader_program *shProg);
  84.  
  85. extern void
  86. _mesa_free_shader_program_data(struct gl_context *ctx,
  87.                                struct gl_shader_program *shProg);
  88.  
  89.  
  90.  
  91. extern void
  92. _mesa_init_shader_object_functions(struct dd_function_table *driver);
  93.  
  94. extern void
  95. _mesa_init_shader_state(struct gl_context *ctx);
  96.  
  97. extern void
  98. _mesa_free_shader_state(struct gl_context *ctx);
  99.  
  100.  
  101. static INLINE gl_shader_type
  102. _mesa_shader_type_to_index(GLenum v)
  103. {
  104.    switch (v) {
  105.    case GL_VERTEX_SHADER:
  106.       return MESA_SHADER_VERTEX;
  107.    case GL_FRAGMENT_SHADER:
  108.       return MESA_SHADER_FRAGMENT;
  109.    case GL_GEOMETRY_SHADER:
  110.       return MESA_SHADER_GEOMETRY;
  111.    default:
  112.       ASSERT(0 && "bad value in _mesa_shader_type_to_index()");
  113.       return MESA_SHADER_TYPES;
  114.    }
  115. }
  116.  
  117.  
  118. static INLINE GLenum
  119. _mesa_shader_index_to_type(GLuint i)
  120. {
  121.    static const GLenum enums[MESA_SHADER_TYPES] = {
  122.       GL_VERTEX_SHADER,
  123.       GL_FRAGMENT_SHADER,
  124.       GL_GEOMETRY_SHADER ,
  125.    };
  126.    if (i >= MESA_SHADER_TYPES)
  127.       return 0;
  128.    else
  129.       return enums[i];
  130. }
  131.  
  132.  
  133. #ifdef __cplusplus
  134. }
  135. #endif
  136.  
  137. #endif /* SHADEROBJ_H */
  138.