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