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     GLuint doubleBufferMode;
  37     GLuint stereoMode;
  38
  39     GLint redBits, greenBits, blueBits, alphaBits;      /* bits per comp */
  40     GLuint redMask, greenMask, blueMask, alphaMask;
  41     GLuint redShift, greenShift, blueShift, alphaShift;
  42     GLint rgbBits;              /* total bits for rgb */
  43     GLint indexBits;            /* total bits for colorindex */
  44
  45     GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
  46     GLint depthBits;
  47     GLint stencilBits;
  48
  49     GLint numAuxBuffers;
  50
  51     GLint level;
  52
  53     /* GLX */
  54     GLint visualID;
  55     GLint visualType;     /**< One of the GLX X visual types. (i.e.,
  56                            * \c GLX_TRUE_COLOR, etc.)
  57                            */
  58
  59     /* EXT_visual_rating / GLX 1.2 */
  60     GLint visualRating;
  61
  62     /* EXT_visual_info / GLX 1.2 */
  63     GLint transparentPixel;
  64                                 /*    colors are floats scaled to ints */
  65     GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
  66     GLint transparentIndex;
  67
  68     /* ARB_multisample / SGIS_multisample */
  69     GLint sampleBuffers;
  70     GLint samples;
  71
  72     /* SGIX_fbconfig / GLX 1.3 */
  73     GLint drawableType;
  74     GLint renderType;
  75     GLint xRenderable;
  76     GLint fbconfigID;
  77
  78     /* SGIX_pbuffer / GLX 1.3 */
  79     GLint maxPbufferWidth;
  80     GLint maxPbufferHeight;
  81     GLint maxPbufferPixels;
  82     GLint optimalPbufferWidth;   /* Only for SGIX_pbuffer. */
  83     GLint optimalPbufferHeight;  /* Only for SGIX_pbuffer. */
  84
  85     /* SGIX_visual_select_group */
  86     GLint visualSelectGroup;
  87
  88     /* OML_swap_method */
  89     GLint swapMethod;
  90
  91     GLint screen;
  92
  93     /* EXT_texture_from_pixmap */
  94     GLint bindToTextureRgb;
  95     GLint bindToTextureRgba;
  96     GLint bindToMipmapTexture;
  97     GLint bindToTextureTargets;
  98     GLint yInverted;
  99
 100     /* EXT_framebuffer_sRGB */
 101     GLint sRGBCapable;
 102 };
 103
 104 #define __GLX_MIN_CONFIG_PROPS  18
 105 #define __GLX_MAX_CONFIG_PROPS  500
 106 #define __GLX_EXT_CONFIG_PROPS  10
 107
 108 /*
 109 ** Since we send all non-core visual properties as token, value pairs,
 110 ** we require 2 words across the wire. In order to maintain backwards
 111 ** compatibility, we need to send the total number of words that the
 112 ** VisualConfigs are sent back in so old libraries can simply "ignore"
 113 ** the new properties.
 114 */
 115 #define __GLX_TOTAL_CONFIG \
 116    (__GLX_MIN_CONFIG_PROPS + 2 * __GLX_EXT_CONFIG_PROPS)
 117
 118 extern GLint _gl_convert_from_x_visual_type(int visualType);
 119
 120 extern int
 121 glx_config_get(struct glx_config * mode, int attribute, int *value_return);
 122 extern struct glx_config *
 123 glx_config_create_list(unsigned count);
 124 extern void
 125 glx_config_destroy_list(struct glx_config *configs);
 126 extern struct glx_config *
 127 glx_config_find_visual(struct glx_config *configs, int vid);
 128 extern struct glx_config *
 129 glx_config_find_fbconfig(struct glx_config *configs, int fbid);
 130
 131 #endif /* GLCONTEXTMODES_H */
 132