src/mesa/main/blend.h

   1 /**
   2  * \file blend.h
   3  * Blending functions operations.
   4  */
   5
   6 /*
   7  * Mesa 3-D graphics library
   8  *
   9  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a
  12  * copy of this software and associated documentation files (the "Software"),
  13  * to deal in the Software without restriction, including without limitation
  14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  15  * and/or sell copies of the Software, and to permit persons to whom the
  16  * Software is furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included
  19  * in all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  27  * OTHER DEALINGS IN THE SOFTWARE.
  28  */
  29
  30
  31
  32 #ifndef BLEND_H
  33 #define BLEND_H
  34
  35
  36 #include "glheader.h"
  37 #include "formats.h"
  38
  39 struct gl_context;
  40
  41
  42 extern void GLAPIENTRY
  43 _mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
  44
  45
  46 extern void GLAPIENTRY
  47 _mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
  48                             GLenum sfactorA, GLenum dfactorA );
  49
  50
  51 extern void GLAPIENTRY
  52 _mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor);
  53
  54
  55 extern void GLAPIENTRY
  56 _mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
  57                          GLenum sfactorA, GLenum dfactorA);
  58
  59
  60 extern void GLAPIENTRY
  61 _mesa_BlendEquation( GLenum mode );
  62
  63
  64 extern void GLAPIENTRY
  65 _mesa_BlendEquationiARB(GLuint buf, GLenum mode);
  66
  67
  68 extern void GLAPIENTRY
  69 _mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );
  70
  71
  72 extern void GLAPIENTRY
  73 _mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA);
  74
  75
  76 extern void GLAPIENTRY
  77 _mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
  78
  79
  80 extern void GLAPIENTRY
  81 _mesa_AlphaFunc( GLenum func, GLclampf ref );
  82
  83
  84 extern void GLAPIENTRY
  85 _mesa_LogicOp( GLenum opcode );
  86
  87
  88 extern void GLAPIENTRY
  89 _mesa_IndexMask( GLuint mask );
  90
  91 extern void GLAPIENTRY
  92 _mesa_ColorMask( GLboolean red, GLboolean green,
  93                  GLboolean blue, GLboolean alpha );
  94
  95 extern void GLAPIENTRY
  96 _mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green,
  97                         GLboolean blue, GLboolean alpha );
  98
  99
 100 extern void GLAPIENTRY
 101 _mesa_ClampColor(GLenum target, GLenum clamp);
 102
 103 extern GLboolean
 104 _mesa_get_clamp_fragment_color(const struct gl_context *ctx);
 105
 106 extern GLboolean
 107 _mesa_get_clamp_vertex_color(const struct gl_context *ctx);
 108
 109 extern GLboolean
 110 _mesa_get_clamp_read_color(const struct gl_context *ctx);
 111
 112 extern void
 113 _mesa_update_clamp_fragment_color(struct gl_context *ctx);
 114
 115 extern void
 116 _mesa_update_clamp_vertex_color(struct gl_context *ctx);
 117
 118 extern gl_format
 119 _mesa_get_render_format(const struct gl_context *ctx, gl_format format);
 120
 121 extern void
 122 _mesa_init_color( struct gl_context * ctx );
 123
 124 #endif