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_ */ 182