src/gallium/state_trackers/wgl/shared/stw_pixelformat.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef PIXELFORMAT_H
  29 #define PIXELFORMAT_H
  30
  31 #include <windows.h>
  32
  33 #define PF_FLAG_DOUBLEBUFFER  0x00000001
  34 #define PF_FLAG_MULTISAMPLED  0x00000002
  35
  36 struct pixelformat_color_info
  37 {
  38    uint redbits;
  39    uint redshift;
  40    uint greenbits;
  41    uint greenshift;
  42    uint bluebits;
  43    uint blueshift;
  44 };
  45
  46 struct pixelformat_alpha_info
  47 {
  48    uint alphabits;
  49    uint alphashift;
  50 };
  51
  52 struct pixelformat_depth_info
  53 {
  54    uint depthbits;
  55    uint stencilbits;
  56 };
  57
  58 struct pixelformat_info
  59 {
  60    uint flags;
  61    struct pixelformat_color_info color;
  62    struct pixelformat_alpha_info alpha;
  63    struct pixelformat_depth_info depth;
  64 };
  65
  66 void
  67 pixelformat_init( void );
  68
  69 uint
  70 pixelformat_get_count( void );
  71
  72 uint
  73 pixelformat_get_extended_count( void );
  74
  75 const struct pixelformat_info *
  76 pixelformat_get_info( uint index );
  77
  78
  79 int
  80 stw_pixelformat_describe(
  81    HDC hdc,
  82    int iPixelFormat,
  83    UINT nBytes,
  84    LPPIXELFORMATDESCRIPTOR ppfd );
  85
  86 int
  87 stw_pixelformat_get(
  88    HDC hdc );
  89
  90 BOOL
  91 stw_pixelformat_set(
  92    HDC hdc,
  93    int iPixelFormat );
  94
  95
  96 #endif /* PIXELFORMAT_H */