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#include <sys/types.h> 35 36#define GL_CORE_SGI 1 37#define GL_CORE_MESA 2 38#define GL_CORE_APPLE 4 39#define GL_CORE_WINDOWS 8 40 41typedef struct __GLcontextRec __GLcontext; 42 43/* 44** This file defines the interface between the GL core and the surrounding 45** "operating system" that supports it (currently the GLX or WGL extensions). 46** 47** Members (data and function pointers) are documented as imported or 48** exported according to how they are used by the core rendering functions. 49** Imported members are initialized by the "operating system" and used by 50** the core functions. Exported members are initialized by the core functions 51** and used by the "operating system". 52*/ 53 54/** 55 * Mode and limit information for a context. This information is 56 * kept around in the context so that values can be used during 57 * command execution, and for returning information about the 58 * context to the application. 59 * 60 * Instances of this structure are shared by the driver and the loader. To 61 * maintain binary compatability, new fields \b must be added only to the 62 * end of the structure. 63 * 64 * \sa _gl_context_modes_create 65 */ 66typedef struct __GLcontextModesRec { 67 struct __GLcontextModesRec * next; 68 69 GLboolean rgbMode; 70 GLboolean floatMode; 71 GLboolean colorIndexMode; 72 GLuint doubleBufferMode; 73 GLuint stereoMode; 74 75 GLboolean haveAccumBuffer; 76 GLboolean haveDepthBuffer; 77 GLboolean haveStencilBuffer; 78 79 GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */ 80 GLuint redMask, greenMask, blueMask, alphaMask; 81 GLint rgbBits; /* total bits for rgb */ 82 GLint indexBits; /* total bits for colorindex */ 83 84 GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits; 85 GLint depthBits; 86 GLint stencilBits; 87 88 GLint numAuxBuffers; 89 90 GLint level; 91 92 GLint pixmapMode; 93 94 /* GLX */ 95 GLint visualID; 96 GLint visualType; /**< One of the GLX X visual types. (i.e., 97 * \c GLX_TRUE_COLOR, etc.) 98 */ 99 100 /* EXT_visual_rating / GLX 1.2 */ 101 GLint visualRating; 102 103 /* EXT_visual_info / GLX 1.2 */ 104 GLint transparentPixel; 105 /* colors are floats scaled to ints */ 106 GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha; 107 GLint transparentIndex; 108 109 /* ARB_multisample / SGIS_multisample */ 110 GLint sampleBuffers; 111 GLint samples; 112 113 /* SGIX_fbconfig / GLX 1.3 */ 114 GLint drawableType; 115 GLint renderType; 116 GLint xRenderable; 117 GLint fbconfigID; 118 119 /* SGIX_pbuffer / GLX 1.3 */ 120 GLint maxPbufferWidth; 121 GLint maxPbufferHeight; 122 GLint maxPbufferPixels; 123 GLint optimalPbufferWidth; /* Only for SGIX_pbuffer. */ 124 GLint optimalPbufferHeight; /* Only for SGIX_pbuffer. */ 125 126 /* SGIX_visual_select_group */ 127 GLint visualSelectGroup; 128 129 /* OML_swap_method */ 130 GLint swapMethod; 131 132 GLint screen; 133 134 /* EXT_texture_from_pixmap */ 135 GLint bindToTextureRgb; 136 GLint bindToTextureRgba; 137 GLint bindToMipmapTexture; 138 GLint bindToTextureTargets; 139 GLint yInverted; 140} __GLcontextModes; 141 142/* Several fields of __GLcontextModes can take these as values. Since 143 * GLX header files may not be available everywhere they need to be used, 144 * redefine them here. 145 */ 146#define GLX_NONE 0x8000 147#define GLX_SLOW_CONFIG 0x8001 148#define GLX_TRUE_COLOR 0x8002 149#define GLX_DIRECT_COLOR 0x8003 150#define GLX_PSEUDO_COLOR 0x8004 151#define GLX_STATIC_COLOR 0x8005 152#define GLX_GRAY_SCALE 0x8006 153#define GLX_STATIC_GRAY 0x8007 154#define GLX_TRANSPARENT_RGB 0x8008 155#define GLX_TRANSPARENT_INDEX 0x8009 156#define GLX_NON_CONFORMANT_CONFIG 0x800D 157#define GLX_SWAP_EXCHANGE_OML 0x8061 158#define GLX_SWAP_COPY_OML 0x8062 159#define GLX_SWAP_UNDEFINED_OML 0x8063 160 161#define GLX_DONT_CARE 0xFFFFFFFF 162 163#define GLX_RGBA_BIT 0x00000001 164#define GLX_COLOR_INDEX_BIT 0x00000002 165#define GLX_WINDOW_BIT 0x00000001 166#define GLX_PIXMAP_BIT 0x00000002 167#define GLX_PBUFFER_BIT 0x00000004 168 169#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0 170#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1 171#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2 172#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3 173#define GLX_Y_INVERTED_EXT 0x20D4 174 175#define GLX_TEXTURE_1D_BIT_EXT 0x00000001 176#define GLX_TEXTURE_2D_BIT_EXT 0x00000002 177#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004 178 179#endif /* __gl_core_h_ */ 180