src/mesa/main/blend.h

   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  * THE AUTHORS 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_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
  47                             GLenum sfactorA, GLenum dfactorA );
  48
  49
  50 extern void GLAPIENTRY
  51 _mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor);
  52
  53
  54 extern void GLAPIENTRY
  55 _mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
  56                          GLenum sfactorA, GLenum dfactorA);
  57
  58
  59 extern void GLAPIENTRY
  60 _mesa_BlendEquation( GLenum mode );
  61
  62
  63 extern void GLAPIENTRY
  64 _mesa_BlendEquationiARB(GLuint buf, GLenum mode);
  65
  66
  67 extern void GLAPIENTRY
  68 _mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );
  69
  70
  71 extern void GLAPIENTRY
  72 _mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA);
  73
  74
  75 extern void GLAPIENTRY
  76 _mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
  77
  78
  79 extern void GLAPIENTRY
  80 _mesa_AlphaFunc( GLenum func, GLclampf ref );
  81
  82
  83 extern void GLAPIENTRY
  84 _mesa_LogicOp( GLenum opcode );
  85
  86
  87 extern void GLAPIENTRY
  88 _mesa_IndexMask( GLuint mask );
  89
  90 extern void GLAPIENTRY
  91 _mesa_ColorMask( GLboolean red, GLboolean green,
  92                  GLboolean blue, GLboolean alpha );
  93
  94 extern void GLAPIENTRY
  95 _mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green,
  96                         GLboolean blue, GLboolean alpha );
  97
  98
  99 extern void GLAPIENTRY
 100 _mesa_ClampColor(GLenum target, GLenum clamp);
 101
 102 extern GLboolean
 103 _mesa_get_clamp_fragment_color(const struct gl_context *ctx);
 104
 105 extern GLboolean
 106 _mesa_get_clamp_vertex_color(const struct gl_context *ctx);
 107
 108 extern GLboolean
 109 _mesa_get_clamp_read_color(const struct gl_context *ctx);
 110
 111 extern void
 112 _mesa_update_clamp_fragment_color(struct gl_context *ctx);
 113
 114 extern void
 115 _mesa_update_clamp_vertex_color(struct gl_context *ctx);
 116
 117 extern void
 118 _mesa_init_color( struct gl_context * ctx );
 119
 120 #endif