src/gallium/state_trackers/egl/x11/glcore.h

   1 #ifndef __gl_core_h_
   2 #define __gl_core_h_
   3
   4 /*
   5  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   6  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice including the dates of first publication and
  16  * either this permission notice or a reference to
  17  * http://oss.sgi.com/projects/FreeB/
  18  * shall be included in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  23  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  24  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  25  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  26  * SOFTWARE.
  27  *
  28  * Except as contained in this notice, the name of Silicon Graphics, Inc.
  29  * shall not be used in advertising or otherwise to promote the sale, use or
  30  * other dealings in this Software without prior written authorization from
  31  * Silicon Graphics, Inc.
  32  */
  33
  34 #if !defined(_WIN32_WCE)
  35 #include <sys/types.h>
  36 #endif
  37
  38 #define GL_CORE_SGI  1
  39 #define GL_CORE_MESA 2
  40 #define GL_CORE_APPLE 4
  41 #define GL_CORE_WINDOWS 8
  42
  43 typedef struct __GLcontextRec __GLcontext;
  44
  45 /*
  46 ** This file defines the interface between the GL core and the surrounding
  47 ** "operating system" that supports it (currently the GLX or WGL extensions).
  48 **
  49 ** Members (data and function pointers) are documented as imported or
  50 ** exported according to how they are used by the core rendering functions.
  51 ** Imported members are initialized by the "operating system" and used by
  52 ** the core functions.  Exported members are initialized by the core functions
  53 ** and used by the "operating system".
  54 */
  55
  56 /**
  57  * Mode and limit information for a context.  This information is
  58  * kept around in the context so that values can be used during
  59  * command execution, and for returning information about the
  60  * context to the application.
  61  *
  62  * Instances of this structure are shared by the driver and the loader.  To
  63  * maintain binary compatability, new fields \b must be added only to the
  64  * end of the structure.
  65  *
  66  * \sa _gl_context_modes_create
  67  */
  68 typedef struct __GLcontextModesRec {
  69     struct __GLcontextModesRec * next;
  70
  71     GLboolean rgbMode;
  72     GLboolean floatMode;
  73     GLboolean colorIndexMode;
  74     GLuint doubleBufferMode;
  75     GLuint stereoMode;
  76
  77     GLboolean haveAccumBuffer;
  78     GLboolean haveDepthBuffer;
  79     GLboolean haveStencilBuffer;
  80
  81     GLint redBits, greenBits, blueBits, alphaBits;      /* bits per comp */
  82     GLuint redMask, greenMask, blueMask, alphaMask;
  83     GLint rgbBits;              /* total bits for rgb */
  84     GLint indexBits;            /* total bits for colorindex */
  85
  86     GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
  87     GLint depthBits;
  88     GLint stencilBits;
  89
  90     GLint numAuxBuffers;
  91
  92     GLint level;
  93
  94     GLint pixmapMode;
  95
  96     /* GLX */
  97     GLint visualID;
  98     GLint visualType;     /**< One of the GLX X visual types. (i.e.,
  99                            * \c GLX_TRUE_COLOR, etc.)
 100                            */
 101
 102     /* EXT_visual_rating / GLX 1.2 */
 103     GLint visualRating;
 104
 105     /* EXT_visual_info / GLX 1.2 */
 106     GLint transparentPixel;
 107                                 /*    colors are floats scaled to ints */
 108     GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
 109     GLint transparentIndex;
 110
 111     /* ARB_multisample / SGIS_multisample */
 112     GLint sampleBuffers;
 113     GLint samples;
 114
 115     /* SGIX_fbconfig / GLX 1.3 */
 116     GLint drawableType;
 117     GLint renderType;
 118     GLint xRenderable;
 119     GLint fbconfigID;
 120
 121     /* SGIX_pbuffer / GLX 1.3 */
 122     GLint maxPbufferWidth;
 123     GLint maxPbufferHeight;
 124     GLint maxPbufferPixels;
 125     GLint optimalPbufferWidth;   /* Only for SGIX_pbuffer. */
 126     GLint optimalPbufferHeight;  /* Only for SGIX_pbuffer. */
 127
 128     /* SGIX_visual_select_group */
 129     GLint visualSelectGroup;
 130
 131     /* OML_swap_method */
 132     GLint swapMethod;
 133
 134     GLint screen;
 135
 136     /* EXT_texture_from_pixmap */
 137     GLint bindToTextureRgb;
 138     GLint bindToTextureRgba;
 139     GLint bindToMipmapTexture;
 140     GLint bindToTextureTargets;
 141     GLint yInverted;
 142 } __GLcontextModes;
 143
 144 /* Several fields of __GLcontextModes can take these as values.  Since
 145  * GLX header files may not be available everywhere they need to be used,
 146  * redefine them here.
 147  */
 148 #define GLX_NONE                           0x8000
 149 #define GLX_SLOW_CONFIG                    0x8001
 150 #define GLX_TRUE_COLOR                     0x8002
 151 #define GLX_DIRECT_COLOR                   0x8003
 152 #define GLX_PSEUDO_COLOR                   0x8004
 153 #define GLX_STATIC_COLOR                   0x8005
 154 #define GLX_GRAY_SCALE                     0x8006
 155 #define GLX_STATIC_GRAY                    0x8007
 156 #define GLX_TRANSPARENT_RGB                0x8008
 157 #define GLX_TRANSPARENT_INDEX              0x8009
 158 #define GLX_NON_CONFORMANT_CONFIG          0x800D
 159 #define GLX_SWAP_EXCHANGE_OML              0x8061
 160 #define GLX_SWAP_COPY_OML                  0x8062
 161 #define GLX_SWAP_UNDEFINED_OML             0x8063
 162
 163 #define GLX_DONT_CARE                      0xFFFFFFFF
 164
 165 #define GLX_RGBA_BIT                       0x00000001
 166 #define GLX_COLOR_INDEX_BIT                0x00000002
 167 #define GLX_WINDOW_BIT                     0x00000001
 168 #define GLX_PIXMAP_BIT                     0x00000002
 169 #define GLX_PBUFFER_BIT                    0x00000004
 170
 171 #define GLX_BIND_TO_TEXTURE_RGB_EXT        0x20D0
 172 #define GLX_BIND_TO_TEXTURE_RGBA_EXT       0x20D1
 173 #define GLX_BIND_TO_MIPMAP_TEXTURE_EXT     0x20D2
 174 #define GLX_BIND_TO_TEXTURE_TARGETS_EXT    0x20D3
 175 #define GLX_Y_INVERTED_EXT                 0x20D4
 176
 177 #define GLX_TEXTURE_1D_BIT_EXT             0x00000001
 178 #define GLX_TEXTURE_2D_BIT_EXT             0x00000002
 179 #define GLX_TEXTURE_RECTANGLE_BIT_EXT      0x00000004
 180
 181 #endif /* __gl_core_h_ */