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 struct gl_framebuffer;
  41
  42
  43 extern void GLAPIENTRY
  44 _mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
  45
  46
  47 extern void GLAPIENTRY
  48 _mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
  49                             GLenum sfactorA, GLenum dfactorA );
  50
  51
  52 extern void GLAPIENTRY
  53 _mesa_BlendFunciARB_no_error(GLuint buf, GLenum sfactor, GLenum dfactor);
  54 extern void GLAPIENTRY
  55 _mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor);
  56
  57
  58 extern void GLAPIENTRY
  59 _mesa_BlendFuncSeparateiARB_no_error(GLuint buf, GLenum sfactorRGB,
  60                                      GLenum dfactorRGB, GLenum sfactorA,
  61                                      GLenum dfactorA);
  62 extern void GLAPIENTRY
  63 _mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
  64                          GLenum sfactorA, GLenum dfactorA);
  65
  66
  67 extern void GLAPIENTRY
  68 _mesa_BlendEquation( GLenum mode );
  69
  70
  71 extern void GLAPIENTRY
  72 _mesa_BlendEquationiARB(GLuint buf, GLenum mode);
  73
  74
  75 extern void GLAPIENTRY
  76 _mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );
  77
  78
  79 extern void GLAPIENTRY
  80 _mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA);
  81
  82
  83 extern void GLAPIENTRY
  84 _mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
  85
  86
  87 extern void GLAPIENTRY
  88 _mesa_AlphaFunc( GLenum func, GLclampf ref );
  89
  90
  91 extern void GLAPIENTRY
  92 _mesa_LogicOp( GLenum opcode );
  93
  94
  95 extern void GLAPIENTRY
  96 _mesa_IndexMask( GLuint mask );
  97
  98 extern void GLAPIENTRY
  99 _mesa_ColorMask( GLboolean red, GLboolean green,
 100                  GLboolean blue, GLboolean alpha );
 101
 102 extern void GLAPIENTRY
 103 _mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green,
 104                         GLboolean blue, GLboolean alpha );
 105
 106
 107 extern void GLAPIENTRY
 108 _mesa_ClampColor(GLenum target, GLenum clamp);
 109
 110 extern GLboolean
 111 _mesa_get_clamp_fragment_color(const struct gl_context *ctx,
 112                                const struct gl_framebuffer *drawFb);
 113
 114 extern GLboolean
 115 _mesa_get_clamp_vertex_color(const struct gl_context *ctx,
 116                              const struct gl_framebuffer *drawFb);
 117
 118 extern GLboolean
 119 _mesa_get_clamp_read_color(const struct gl_context *ctx,
 120                            const struct gl_framebuffer *readFb);
 121
 122 extern void
 123 _mesa_update_clamp_fragment_color(struct gl_context *ctx,
 124                                   const struct gl_framebuffer *drawFb);
 125
 126 extern void
 127 _mesa_update_clamp_vertex_color(struct gl_context *ctx,
 128                                 const struct gl_framebuffer *drawFb);
 129
 130 extern mesa_format
 131 _mesa_get_render_format(const struct gl_context *ctx, mesa_format format);
 132
 133 extern void
 134 _mesa_init_color( struct gl_context * ctx );
 135
 136 #endif