1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \file accum.h 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Accumulation buffer operations. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \if subset 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * (No-op) 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \endif 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa 3-D graphics library 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Version: 3.5 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be included 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in all copies or substantial portions of the Software. 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef ACCUM_H 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ACCUM_H 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/glheader.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/mfeatures.h" 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct _glapi_table; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct gl_context; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct gl_renderbuffer; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_accum 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void GLAPIENTRY 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha ); 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_init_accum_dispatch(struct _glapi_table *disp); 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_accum(struct gl_context *ctx, GLenum op, GLfloat value); 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_clear_accum_buffer(struct gl_context *ctx); 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else /* FEATURE_accum */ 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/compiler.h" 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline void 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha ) 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* this is used in _mesa_PopAttrib */ 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ASSERT_NO_FEATURE(); 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline void 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_init_accum_dispatch(struct _glapi_table *disp) 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline void 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_accum(struct gl_context *ctx, GLenum op, GLfloat value) 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline void 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_clear_accum_buffer(struct gl_context *ctx) 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* FEATURE_accum */ 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_init_accum( struct gl_context *ctx ); 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* ACCUM_H */ 94