| #ifndef __gl_core_h_ |
| #define __gl_core_h_ |
| |
| /* |
| ** License Applicability. Except to the extent portions of this file are |
| ** made subject to an alternative license as permitted in the SGI Free |
| ** Software License B, Version 1.1 (the "License"), the contents of this |
| ** file are subject only to the provisions of the License. You may not use |
| ** this file except in compliance with the License. You may obtain a copy |
| ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 |
| ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: |
| ** |
| ** http://oss.sgi.com/projects/FreeB |
| ** |
| ** Note that, as provided in the License, the Software is distributed on an |
| ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS |
| ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND |
| ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A |
| ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. |
| ** |
| ** Original Code. The Original Code is: OpenGL Sample Implementation, |
| ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, |
| ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. |
| ** Copyright in any portions created by third parties is as indicated |
| ** elsewhere herein. All Rights Reserved. |
| ** |
| ** Additional Notice Provisions: The application programming interfaces |
| ** established by SGI in conjunction with the Original Code are The |
| ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released |
| ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version |
| ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X |
| ** Window System(R) (Version 1.3), released October 19, 1998. This software |
| ** was created using the OpenGL(R) version 1.2.1 Sample Implementation |
| ** published by SGI, but has not been independently verified as being |
| ** compliant with the OpenGL(R) version 1.2.1 Specification. |
| ** |
| */ |
| |
| #include <sys/types.h> |
| |
| #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 |
| |
| |
| /************************************************************************/ |
| |
| #ifdef _NEED_GL_CORE_IF |
| |
| /** |
| * The GLcore interface (a subset of the XMesa interface) |
| */ |
| #define __GL_CORE "GL_Core" |
| |
| typedef struct __GLcoreModuleRec { |
| /* |
| * XMesaVisual |
| */ |
| XMesaVisual (*XMesaCreateVisual)( ScreenPtr display, |
| VisualPtr visinfo, |
| GLboolean rgb_flag, |
| GLboolean alpha_flag, |
| GLboolean db_flag, |
| GLboolean stereo_flag, |
| GLboolean ximage_flag, |
| GLint depth_size, |
| GLint stencil_size, |
| GLint accum_red_size, |
| GLint accum_green_size, |
| GLint accum_blue_size, |
| GLint accum_alpha_size, |
| GLint num_samples, |
| GLint level, |
| GLint visualCaveat ); |
| |
| void (*XMesaDestroyVisual)( XMesaVisual v ); |
| |
| /* |
| * XMesaBuffer |
| */ |
| XMesaBuffer (*XMesaCreateWindowBuffer)( XMesaVisual v, |
| WindowPtr w ); |
| |
| XMesaBuffer (*XMesaCreatePixmapBuffer)( XMesaVisual v, |
| PixmapPtr p, |
| ColormapPtr cmap ); |
| |
| void (*XMesaDestroyBuffer)( XMesaBuffer b ); |
| |
| void (*XMesaSwapBuffers)( XMesaBuffer b ); |
| |
| void (*XMesaResizeBuffers)( XMesaBuffer b ); |
| |
| /* |
| * XMesaContext |
| */ |
| XMesaContext (*XMesaCreateContext)( XMesaVisual v, |
| XMesaContext share_list ); |
| |
| void (*XMesaDestroyContext)( XMesaContext c ); |
| |
| GLboolean (*XMesaCopyContext)( XMesaContext src, |
| XMesaContext dst, |
| GLuint mask ); |
| |
| GLboolean (*XMesaMakeCurrent2)( XMesaContext c, |
| XMesaBuffer drawBuffer, |
| XMesaBuffer readBuffer ); |
| |
| GLboolean (*XMesaForceCurrent)( XMesaContext c ); |
| |
| GLboolean (*XMesaLoseCurrent)( XMesaContext c ); |
| |
| } __GLcoreModule; |
| |
| #endif /* _NEED_GL_CORE_IF */ |
| |
| #endif /* __gl_core_h_ */ |