src/glx/glcontextmodes.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 typedef struct __GLcontextModesRec {
  34     struct __GLcontextModesRec * next;
  35
  36     GLboolean rgbMode;
  37     GLboolean floatMode;
  38     GLboolean colorIndexMode;
  39     GLuint doubleBufferMode;
  40     GLuint stereoMode;
  41
  42     GLboolean haveAccumBuffer;
  43     GLboolean haveDepthBuffer;
  44     GLboolean haveStencilBuffer;
  45
  46     GLint redBits, greenBits, blueBits, alphaBits;      /* bits per comp */
  47     GLuint redMask, greenMask, blueMask, alphaMask;
  48     GLint rgbBits;              /* total bits for rgb */
  49     GLint indexBits;            /* total bits for colorindex */
  50
  51     GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
  52     GLint depthBits;
  53     GLint stencilBits;
  54
  55     GLint numAuxBuffers;
  56
  57     GLint level;
  58
  59     GLint pixmapMode;
  60
  61     /* GLX */
  62     GLint visualID;
  63     GLint visualType;     /**< One of the GLX X visual types. (i.e.,
  64                            * \c GLX_TRUE_COLOR, etc.)
  65                            */
  66
  67     /* EXT_visual_rating / GLX 1.2 */
  68     GLint visualRating;
  69
  70     /* EXT_visual_info / GLX 1.2 */
  71     GLint transparentPixel;
  72                                 /*    colors are floats scaled to ints */
  73     GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
  74     GLint transparentIndex;
  75
  76     /* ARB_multisample / SGIS_multisample */
  77     GLint sampleBuffers;
  78     GLint samples;
  79
  80     /* SGIX_fbconfig / GLX 1.3 */
  81     GLint drawableType;
  82     GLint renderType;
  83     GLint xRenderable;
  84     GLint fbconfigID;
  85
  86     /* SGIX_pbuffer / GLX 1.3 */
  87     GLint maxPbufferWidth;
  88     GLint maxPbufferHeight;
  89     GLint maxPbufferPixels;
  90     GLint optimalPbufferWidth;   /* Only for SGIX_pbuffer. */
  91     GLint optimalPbufferHeight;  /* Only for SGIX_pbuffer. */
  92
  93     /* SGIX_visual_select_group */
  94     GLint visualSelectGroup;
  95
  96     /* OML_swap_method */
  97     GLint swapMethod;
  98
  99     GLint screen;
 100
 101     /* EXT_texture_from_pixmap */
 102     GLint bindToTextureRgb;
 103     GLint bindToTextureRgba;
 104     GLint bindToMipmapTexture;
 105     GLint bindToTextureTargets;
 106     GLint yInverted;
 107 } __GLcontextModes;
 108
 109 #define __GLX_MIN_CONFIG_PROPS  18
 110 #define __GLX_MAX_CONFIG_PROPS  500
 111 #define __GLX_EXT_CONFIG_PROPS  10
 112
 113 /*
 114 ** Since we send all non-core visual properties as token, value pairs,
 115 ** we require 2 words across the wire. In order to maintain backwards
 116 ** compatibility, we need to send the total number of words that the
 117 ** VisualConfigs are sent back in so old libraries can simply "ignore"
 118 ** the new properties.
 119 */
 120 #define __GLX_TOTAL_CONFIG \
 121    (__GLX_MIN_CONFIG_PROPS + 2 * __GLX_EXT_CONFIG_PROPS)
 122
 123 extern GLint _gl_convert_from_x_visual_type(int visualType);
 124 extern GLint _gl_convert_to_x_visual_type(int visualType);
 125 extern int _gl_get_context_mode_data(const __GLcontextModes * mode,
 126                                      int attribute, int *value_return);
 127
 128 extern __GLcontextModes *_gl_context_modes_create(unsigned count,
 129                                                   size_t minimum_size);
 130 extern void _gl_context_modes_destroy(__GLcontextModes * modes);
 131 extern __GLcontextModes *_gl_context_modes_find_visual(__GLcontextModes *
 132                                                        modes, int vid);
 133 extern __GLcontextModes *_gl_context_modes_find_fbconfig(__GLcontextModes *
 134                                                          modes, int fbid);
 135 extern GLboolean _gl_context_modes_are_same(const __GLcontextModes * a,
 136                                             const __GLcontextModes * b);
 137
 138 #endif /* GLCONTEXTMODES_H */