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  1. /**
  2.  * \file blend.h
  3.  * Blending functions operations.
  4.  */
  5.  
  6. /*
  7.  * Mesa 3-D graphics library
  8.  * Version:  6.5.2
  9.  *
  10.  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  11.  *
  12.  * Permission is hereby granted, free of charge, to any person obtaining a
  13.  * copy of this software and associated documentation files (the "Software"),
  14.  * to deal in the Software without restriction, including without limitation
  15.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16.  * and/or sell copies of the Software, and to permit persons to whom the
  17.  * Software is furnished to do so, subject to the following conditions:
  18.  *
  19.  * The above copyright notice and this permission notice shall be included
  20.  * in all copies or substantial portions of the Software.
  21.  *
  22.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  23.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  25.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  26.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  27.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28.  */
  29.  
  30.  
  31.  
  32. #ifndef BLEND_H
  33. #define BLEND_H
  34.  
  35.  
  36. #include "glheader.h"
  37.  
  38. struct gl_context;
  39.  
  40.  
  41. extern void GLAPIENTRY
  42. _mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
  43.  
  44.  
  45. extern void GLAPIENTRY
  46. _mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB,
  47.                             GLenum sfactorA, GLenum dfactorA );
  48.  
  49.  
  50. extern void GLAPIENTRY
  51. _mesa_BlendEquation( GLenum mode );
  52.  
  53.  
  54. extern void GLAPIENTRY
  55. _mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA );
  56.  
  57.  
  58. extern void GLAPIENTRY
  59. _mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
  60.  
  61.  
  62. extern void GLAPIENTRY
  63. _mesa_AlphaFunc( GLenum func, GLclampf ref );
  64.  
  65.  
  66. extern void GLAPIENTRY
  67. _mesa_LogicOp( GLenum opcode );
  68.  
  69.  
  70. extern void GLAPIENTRY
  71. _mesa_IndexMask( GLuint mask );
  72.  
  73. extern void GLAPIENTRY
  74. _mesa_ColorMask( GLboolean red, GLboolean green,
  75.                  GLboolean blue, GLboolean alpha );
  76.  
  77. extern void GLAPIENTRY
  78. _mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
  79.                         GLboolean blue, GLboolean alpha );
  80.  
  81.  
  82. extern void GLAPIENTRY
  83. _mesa_ClampColorARB(GLenum target, GLenum clamp);
  84.  
  85.  
  86. extern void  
  87. _mesa_init_color( struct gl_context * ctx );
  88.  
  89. #endif
  90.