src/mesa/main/pixel.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.1
   4  *
   5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 /**
  27  * \file pixel.h
  28  * Pixel operations.
  29  */
  30
  31
  32 #ifndef PIXEL_H
  33 #define PIXEL_H
  34
  35
  36 #include "compiler.h"
  37 #include "glheader.h"
  38 #include "mfeatures.h"
  39
  40 struct _glapi_table;
  41 struct gl_context;
  42
  43
  44 #if FEATURE_pixel_transfer
  45
  46 extern void GLAPIENTRY
  47 _mesa_PixelTransferf(GLenum pname, GLfloat param);
  48
  49 extern void
  50 _mesa_update_pixel( struct gl_context *ctx, GLuint newstate );
  51
  52 extern void
  53 _mesa_init_pixel_dispatch( struct _glapi_table * disp );
  54
  55 #else /* FEATURE_pixel_transfer */
  56
  57 static inline void GLAPIENTRY
  58 _mesa_PixelTransferf(GLenum pname, GLfloat param)
  59 {
  60 }
  61
  62
  63 static inline void
  64 _mesa_update_pixel(struct gl_context *ctx, GLuint newstate)
  65 {
  66 }
  67
  68 static inline void
  69 _mesa_init_pixel_dispatch(struct _glapi_table *disp)
  70 {
  71 }
  72
  73 #endif /* FEATURE_pixel_transfer */
  74
  75
  76 extern void
  77 _mesa_init_pixel( struct gl_context * ctx );
  78
  79 /*@}*/
  80
  81 #endif /* PIXEL_H */