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
  46 #if FEATURE_accum
  47
  48 extern void GLAPIENTRY
  49 _mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
  50
  51 extern void
  52 _mesa_init_accum_dispatch(struct _glapi_table *disp);
  53
  54 #else /* FEATURE_accum */
  55
  56 #include "main/compiler.h"
  57
  58 static INLINE void
  59 _mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha )
  60 {
  61    /* this is used in _mesa_PopAttrib */
  62    ASSERT_NO_FEATURE();
  63 }
  64
  65 static INLINE void
  66 _mesa_init_accum_dispatch(struct _glapi_table *disp)
  67 {
  68 }
  69
  70 #endif /* FEATURE_accum */
  71
  72 extern void
  73 _mesa_init_accum( struct gl_context *ctx );
  74
  75 #endif /* ACCUM_H */