blend.h revision 848b8605
1848b8605Smrg/** 2848b8605Smrg * \file blend.h 3848b8605Smrg * Blending functions operations. 4848b8605Smrg */ 5848b8605Smrg 6848b8605Smrg/* 7848b8605Smrg * Mesa 3-D graphics library 8848b8605Smrg * 9848b8605Smrg * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. 10848b8605Smrg * 11848b8605Smrg * Permission is hereby granted, free of charge, to any person obtaining a 12848b8605Smrg * copy of this software and associated documentation files (the "Software"), 13848b8605Smrg * to deal in the Software without restriction, including without limitation 14848b8605Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 15848b8605Smrg * and/or sell copies of the Software, and to permit persons to whom the 16848b8605Smrg * Software is furnished to do so, subject to the following conditions: 17848b8605Smrg * 18848b8605Smrg * The above copyright notice and this permission notice shall be included 19848b8605Smrg * in all copies or substantial portions of the Software. 20848b8605Smrg * 21848b8605Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 22848b8605Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23848b8605Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24848b8605Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 25848b8605Smrg * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 26848b8605Smrg * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 27848b8605Smrg * OTHER DEALINGS IN THE SOFTWARE. 28848b8605Smrg */ 29848b8605Smrg 30848b8605Smrg 31848b8605Smrg 32848b8605Smrg#ifndef BLEND_H 33848b8605Smrg#define BLEND_H 34848b8605Smrg 35848b8605Smrg 36848b8605Smrg#include "glheader.h" 37848b8605Smrg#include "formats.h" 38848b8605Smrg 39848b8605Smrgstruct gl_context; 40848b8605Smrg 41848b8605Smrg 42848b8605Smrgextern void GLAPIENTRY 43848b8605Smrg_mesa_BlendFunc( GLenum sfactor, GLenum dfactor ); 44848b8605Smrg 45848b8605Smrg 46848b8605Smrgextern void GLAPIENTRY 47848b8605Smrg_mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB, 48848b8605Smrg GLenum sfactorA, GLenum dfactorA ); 49848b8605Smrg 50848b8605Smrg 51848b8605Smrgextern void GLAPIENTRY 52848b8605Smrg_mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor); 53848b8605Smrg 54848b8605Smrg 55848b8605Smrgextern void GLAPIENTRY 56848b8605Smrg_mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB, 57848b8605Smrg GLenum sfactorA, GLenum dfactorA); 58848b8605Smrg 59848b8605Smrg 60848b8605Smrgextern void GLAPIENTRY 61848b8605Smrg_mesa_BlendEquation( GLenum mode ); 62848b8605Smrg 63848b8605Smrg 64848b8605Smrgextern void GLAPIENTRY 65848b8605Smrg_mesa_BlendEquationiARB(GLuint buf, GLenum mode); 66848b8605Smrg 67848b8605Smrg 68848b8605Smrgextern void GLAPIENTRY 69848b8605Smrg_mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA ); 70848b8605Smrg 71848b8605Smrg 72848b8605Smrgextern void GLAPIENTRY 73848b8605Smrg_mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA); 74848b8605Smrg 75848b8605Smrg 76848b8605Smrgextern void GLAPIENTRY 77848b8605Smrg_mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); 78848b8605Smrg 79848b8605Smrg 80848b8605Smrgextern void GLAPIENTRY 81848b8605Smrg_mesa_AlphaFunc( GLenum func, GLclampf ref ); 82848b8605Smrg 83848b8605Smrg 84848b8605Smrgextern void GLAPIENTRY 85848b8605Smrg_mesa_LogicOp( GLenum opcode ); 86848b8605Smrg 87848b8605Smrg 88848b8605Smrgextern void GLAPIENTRY 89848b8605Smrg_mesa_IndexMask( GLuint mask ); 90848b8605Smrg 91848b8605Smrgextern void GLAPIENTRY 92848b8605Smrg_mesa_ColorMask( GLboolean red, GLboolean green, 93848b8605Smrg GLboolean blue, GLboolean alpha ); 94848b8605Smrg 95848b8605Smrgextern void GLAPIENTRY 96848b8605Smrg_mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green, 97848b8605Smrg GLboolean blue, GLboolean alpha ); 98848b8605Smrg 99848b8605Smrg 100848b8605Smrgextern void GLAPIENTRY 101848b8605Smrg_mesa_ClampColor(GLenum target, GLenum clamp); 102848b8605Smrg 103848b8605Smrgextern GLboolean 104848b8605Smrg_mesa_get_clamp_fragment_color(const struct gl_context *ctx); 105848b8605Smrg 106848b8605Smrgextern GLboolean 107848b8605Smrg_mesa_get_clamp_vertex_color(const struct gl_context *ctx); 108848b8605Smrg 109848b8605Smrgextern GLboolean 110848b8605Smrg_mesa_get_clamp_read_color(const struct gl_context *ctx); 111848b8605Smrg 112848b8605Smrgextern void 113848b8605Smrg_mesa_update_clamp_fragment_color(struct gl_context *ctx); 114848b8605Smrg 115848b8605Smrgextern void 116848b8605Smrg_mesa_update_clamp_vertex_color(struct gl_context *ctx); 117848b8605Smrg 118848b8605Smrgextern mesa_format 119848b8605Smrg_mesa_get_render_format(const struct gl_context *ctx, mesa_format format); 120848b8605Smrg 121848b8605Smrgextern void 122848b8605Smrg_mesa_init_color( struct gl_context * ctx ); 123848b8605Smrg 124848b8605Smrg#endif 125