src/mesa/main/accum.h

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