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/**
* \file blend.h
* Blending functions operations.
*/
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef BLEND_H
#define BLEND_H
#include "glheader.h"
#include "formats.h"
struct gl_context;
extern void GLAPIENTRY
_mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
extern void GLAPIENTRY
_mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
GLenum sfactorA, GLenum dfactorA );
extern void GLAPIENTRY
_mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor);
extern void GLAPIENTRY
_mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
GLenum sfactorA, GLenum dfactorA);
extern void GLAPIENTRY
_mesa_BlendEquation( GLenum mode );
extern void GLAPIENTRY
_mesa_BlendEquationiARB(GLuint buf, GLenum mode);
extern void GLAPIENTRY
_mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );
extern void GLAPIENTRY
_mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA);
extern void GLAPIENTRY
_mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
extern void GLAPIENTRY
_mesa_AlphaFunc( GLenum func, GLclampf ref );
extern void GLAPIENTRY
_mesa_LogicOp( GLenum opcode );
extern void GLAPIENTRY
_mesa_IndexMask( GLuint mask );
extern void GLAPIENTRY
_mesa_ColorMask( GLboolean red, GLboolean green,
GLboolean blue, GLboolean alpha );
extern void GLAPIENTRY
_mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green,
GLboolean blue, GLboolean alpha );
extern void GLAPIENTRY
_mesa_ClampColor(GLenum target, GLenum clamp);
extern GLboolean
_mesa_get_clamp_fragment_color(const struct gl_context *ctx);
extern GLboolean
_mesa_get_clamp_vertex_color(const struct gl_context *ctx);
extern GLboolean
_mesa_get_clamp_read_color(const struct gl_context *ctx);
extern void
_mesa_update_clamp_fragment_color(struct gl_context *ctx);
extern void
_mesa_update_clamp_vertex_color(struct gl_context *ctx);
extern gl_format
_mesa_get_render_format(const struct gl_context *ctx, gl_format format);
extern void
_mesa_init_color( struct gl_context * ctx );
#endif
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