src/glx/glxconfig.h

   1 /*
   2  * (C) Copyright IBM Corporation 2003
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  19  * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * \file glcontextmodes.h
  27  * \author Ian Romanick <idr@us.ibm.com>
  28  */
  29
  30 #ifndef GLCONTEXTMODES_H
  31 #define GLCONTEXTMODES_H
  32
  33 struct glx_config {
  34     struct glx_config * next;
  35
  36     GLboolean rgbMode;
  37     GLboolean floatMode;
  38     GLboolean colorIndexMode;
  39     GLuint doubleBufferMode;
  40     GLuint stereoMode;
  41
  42     GLint redBits, greenBits, blueBits, alphaBits;      /* bits per comp */
  43     GLuint redMask, greenMask, blueMask, alphaMask;
  44     GLint rgbBits;              /* total bits for rgb */
  45     GLint indexBits;            /* total bits for colorindex */
  46
  47     GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
  48     GLint depthBits;
  49     GLint stencilBits;
  50
  51     GLint numAuxBuffers;
  52
  53     GLint level;
  54
  55     GLint pixmapMode;
  56
  57     /* GLX */
  58     GLint visualID;
  59     GLint visualType;     /**< One of the GLX X visual types. (i.e.,
  60                            * \c GLX_TRUE_COLOR, etc.)
  61                            */
  62
  63     /* EXT_visual_rating / GLX 1.2 */
  64     GLint visualRating;
  65
  66     /* EXT_visual_info / GLX 1.2 */
  67     GLint transparentPixel;
  68                                 /*    colors are floats scaled to ints */
  69     GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
  70     GLint transparentIndex;
  71
  72     /* ARB_multisample / SGIS_multisample */
  73     GLint sampleBuffers;
  74     GLint samples;
  75
  76     /* SGIX_fbconfig / GLX 1.3 */
  77     GLint drawableType;
  78     GLint renderType;
  79     GLint xRenderable;
  80     GLint fbconfigID;
  81
  82     /* SGIX_pbuffer / GLX 1.3 */
  83     GLint maxPbufferWidth;
  84     GLint maxPbufferHeight;
  85     GLint maxPbufferPixels;
  86     GLint optimalPbufferWidth;   /* Only for SGIX_pbuffer. */
  87     GLint optimalPbufferHeight;  /* Only for SGIX_pbuffer. */
  88
  89     /* SGIX_visual_select_group */
  90     GLint visualSelectGroup;
  91
  92     /* OML_swap_method */
  93     GLint swapMethod;
  94
  95     GLint screen;
  96
  97     /* EXT_texture_from_pixmap */
  98     GLint bindToTextureRgb;
  99     GLint bindToTextureRgba;
 100     GLint bindToMipmapTexture;
 101     GLint bindToTextureTargets;
 102     GLint yInverted;
 103
 104     /* EXT_framebuffer_sRGB */
 105     GLint sRGBCapable;
 106 };
 107
 108 #define __GLX_MIN_CONFIG_PROPS  18
 109 #define __GLX_MAX_CONFIG_PROPS  500
 110 #define __GLX_EXT_CONFIG_PROPS  10
 111
 112 /*
 113 ** Since we send all non-core visual properties as token, value pairs,
 114 ** we require 2 words across the wire. In order to maintain backwards
 115 ** compatibility, we need to send the total number of words that the
 116 ** VisualConfigs are sent back in so old libraries can simply "ignore"
 117 ** the new properties.
 118 */
 119 #define __GLX_TOTAL_CONFIG \
 120    (__GLX_MIN_CONFIG_PROPS + 2 * __GLX_EXT_CONFIG_PROPS)
 121
 122 extern GLint _gl_convert_from_x_visual_type(int visualType);
 123
 124 extern int
 125 glx_config_get(struct glx_config * mode, int attribute, int *value_return);
 126 extern struct glx_config *
 127 glx_config_create_list(unsigned count);
 128 extern void
 129 glx_config_destroy_list(struct glx_config *configs);
 130 extern struct glx_config *
 131 glx_config_find_visual(struct glx_config *configs, int vid);
 132 extern struct glx_config *
 133 glx_config_find_fbconfig(struct glx_config *configs, int fbid);
 134
 135 #endif /* GLCONTEXTMODES_H */
 136