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      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 (at) 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 
    137