182 lines
6.2 KiB
C
182 lines
6.2 KiB
C
#ifndef __gl_core_h_
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#define __gl_core_h_
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/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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#if !defined(_WIN32_WCE)
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#include <sys/types.h>
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#endif
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#define GL_CORE_SGI 1
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#define GL_CORE_MESA 2
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#define GL_CORE_APPLE 4
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#define GL_CORE_WINDOWS 8
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typedef struct __GLcontextRec __GLcontext;
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/*
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** This file defines the interface between the GL core and the surrounding
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** "operating system" that supports it (currently the GLX or WGL extensions).
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**
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** Members (data and function pointers) are documented as imported or
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** exported according to how they are used by the core rendering functions.
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** Imported members are initialized by the "operating system" and used by
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** the core functions. Exported members are initialized by the core functions
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** and used by the "operating system".
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*/
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/**
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* Mode and limit information for a context. This information is
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* kept around in the context so that values can be used during
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* command execution, and for returning information about the
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* context to the application.
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*
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* Instances of this structure are shared by the driver and the loader. To
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* maintain binary compatability, new fields \b must be added only to the
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* end of the structure.
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*
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* \sa _gl_context_modes_create
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*/
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typedef struct __GLcontextModesRec {
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struct __GLcontextModesRec * next;
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GLboolean rgbMode;
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GLboolean floatMode;
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GLboolean colorIndexMode;
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GLuint doubleBufferMode;
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GLuint stereoMode;
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GLboolean haveAccumBuffer;
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GLboolean haveDepthBuffer;
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GLboolean haveStencilBuffer;
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GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */
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GLuint redMask, greenMask, blueMask, alphaMask;
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GLint rgbBits; /* total bits for rgb */
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GLint indexBits; /* total bits for colorindex */
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GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
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GLint depthBits;
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GLint stencilBits;
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GLint numAuxBuffers;
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GLint level;
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GLint pixmapMode;
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/* GLX */
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GLint visualID;
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GLint visualType; /**< One of the GLX X visual types. (i.e.,
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* \c GLX_TRUE_COLOR, etc.)
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*/
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/* EXT_visual_rating / GLX 1.2 */
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GLint visualRating;
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/* EXT_visual_info / GLX 1.2 */
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GLint transparentPixel;
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/* colors are floats scaled to ints */
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GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
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GLint transparentIndex;
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/* ARB_multisample / SGIS_multisample */
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GLint sampleBuffers;
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GLint samples;
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/* SGIX_fbconfig / GLX 1.3 */
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GLint drawableType;
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GLint renderType;
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GLint xRenderable;
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GLint fbconfigID;
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/* SGIX_pbuffer / GLX 1.3 */
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GLint maxPbufferWidth;
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GLint maxPbufferHeight;
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GLint maxPbufferPixels;
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GLint optimalPbufferWidth; /* Only for SGIX_pbuffer. */
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GLint optimalPbufferHeight; /* Only for SGIX_pbuffer. */
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/* SGIX_visual_select_group */
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GLint visualSelectGroup;
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/* OML_swap_method */
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GLint swapMethod;
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GLint screen;
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/* EXT_texture_from_pixmap */
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GLint bindToTextureRgb;
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GLint bindToTextureRgba;
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GLint bindToMipmapTexture;
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GLint bindToTextureTargets;
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GLint yInverted;
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} __GLcontextModes;
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/* Several fields of __GLcontextModes can take these as values. Since
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* GLX header files may not be available everywhere they need to be used,
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* redefine them here.
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*/
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#define GLX_NONE 0x8000
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#define GLX_SLOW_CONFIG 0x8001
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#define GLX_TRUE_COLOR 0x8002
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#define GLX_DIRECT_COLOR 0x8003
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#define GLX_PSEUDO_COLOR 0x8004
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#define GLX_STATIC_COLOR 0x8005
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#define GLX_GRAY_SCALE 0x8006
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#define GLX_STATIC_GRAY 0x8007
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#define GLX_TRANSPARENT_RGB 0x8008
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#define GLX_TRANSPARENT_INDEX 0x8009
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#define GLX_NON_CONFORMANT_CONFIG 0x800D
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#define GLX_SWAP_EXCHANGE_OML 0x8061
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#define GLX_SWAP_COPY_OML 0x8062
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#define GLX_SWAP_UNDEFINED_OML 0x8063
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#define GLX_DONT_CARE 0xFFFFFFFF
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#define GLX_RGBA_BIT 0x00000001
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#define GLX_COLOR_INDEX_BIT 0x00000002
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#define GLX_WINDOW_BIT 0x00000001
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#define GLX_PIXMAP_BIT 0x00000002
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#define GLX_PBUFFER_BIT 0x00000004
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#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
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#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
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#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
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#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
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#define GLX_Y_INVERTED_EXT 0x20D4
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#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
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#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
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#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
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#endif /* __gl_core_h_ */
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