+++ /dev/null
-#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.
-**
-** $Date: 2001/01/08 03:56:53 $ $Revision: 1.1 $
-** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/include/GL/internal/Attic/glcore-new.h,v 1.1 2001/01/08 03:56:53 keithw Exp $
-*/
-
-#ifdef XFree86LOADER
-#include "xf86_ansic.h"
-#else
-#include <sys/types.h>
-#endif
-
-typedef struct __GLcontextRec __GLcontext;
-typedef struct __GLinterfaceRec __GLinterface;
-
-/*
-** 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.
-*/
-typedef struct __GLcontextModesRec {
- GLboolean rgbMode;
- GLboolean colorIndexMode;
- GLboolean doubleBufferMode;
- GLboolean 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;
-} __GLcontextModes;
-
-/************************************************************************/
-
-/*
-** Structure used for allocating and freeing drawable private memory.
-** (like software buffers, for example).
-**
-** The memory allocation routines are provided by the surrounding
-** "operating system" code, and they are to be used for allocating
-** software buffers and things which are associated with the drawable,
-** and used by any context which draws to that drawable. There are
-** separate memory allocation functions for drawables and contexts
-** since drawables and contexts can be created and destroyed independently
-** of one another, and the "operating system" may want to use separate
-** allocation arenas for each.
-**
-** The freePrivate function is filled in by the core routines when they
-** allocates software buffers, and stick them in "private". The freePrivate
-** function will destroy anything allocated to this drawable (to be called
-** when the drawable is destroyed).
-*/
-typedef struct __GLdrawableRegionRec __GLdrawableRegion;
-typedef struct __GLdrawableBufferRec __GLdrawableBuffer;
-typedef struct __GLdrawablePrivateRec __GLdrawablePrivate;
-
-typedef struct __GLregionRectRec {
- /* lower left (inside the rectangle) */
- GLint x0, y0;
- /* upper right (outside the rectangle) */
- GLint x1, y1;
-} __GLregionRect;
-
-struct __GLdrawableRegionRec {
- GLint numRects;
- __GLregionRect *rects;
- __GLregionRect boundingRect;
-};
-
-/************************************************************************/
-
-/* masks for the buffers */
-#define __GL_FRONT_BUFFER_MASK 0x00000001
-#define __GL_FRONT_LEFT_BUFFER_MASK 0x00000001
-#define __GL_FRONT_RIGHT_BUFFER_MASK 0x00000002
-#define __GL_BACK_BUFFER_MASK 0x00000004
-#define __GL_BACK_LEFT_BUFFER_MASK 0x00000004
-#define __GL_BACK_RIGHT_BUFFER_MASK 0x00000008
-#define __GL_ACCUM_BUFFER_MASK 0x00000010
-#define __GL_DEPTH_BUFFER_MASK 0x00000020
-#define __GL_STENCIL_BUFFER_MASK 0x00000040
-#define __GL_AUX_BUFFER_MASK(i) (0x0000080 << (i))
-
-#define __GL_ALL_BUFFER_MASK 0xffffffff
-
-/* what Resize routines return if resize resorted to fallback case */
-#define __GL_BUFFER_FALLBACK 0x10
-
-typedef void (*__GLbufFallbackInitFn)(__GLdrawableBuffer *buf,
- __GLdrawablePrivate *glPriv, GLint bits);
-typedef void (*__GLbufMainInitFn)(__GLdrawableBuffer *buf,
- __GLdrawablePrivate *glPriv, GLint bits,
- __GLbufFallbackInitFn back);
-
-/*
-** A drawable buffer
-**
-** This data structure describes the context side of a drawable.
-**
-** According to the spec there could be multiple contexts bound to the same
-** drawable at the same time (from different threads). In order to avoid
-** multiple-access conflicts, locks are used to serialize access. When a
-** thread needs to access (read or write) a member of the drawable, it takes
-** a lock first. Some of the entries in the drawable are treated "mostly
-** constant", so we take the freedom of allowing access to them without
-** taking a lock (for optimization reasons).
-**
-** For more details regarding locking, see buffers.h in the GL core
-*/
-struct __GLdrawableBufferRec {
- /*
- ** Buffer dimensions
- */
- GLint width, height, depth;
-
- /*
- ** Framebuffer base address
- */
- void *base;
-
- /*
- ** Framebuffer size (in bytes)
- */
- GLuint size;
-
- /*
- ** Size (in bytes) of each element in the framebuffer
- */
- GLuint elementSize;
- GLuint elementSizeLog2;
-
- /*
- ** Element skip from one scanline to the next.
- ** If the buffer is part of another buffer (for example, fullscreen
- ** front buffer), outerWidth is the width of that buffer.
- */
- GLint outerWidth;
-
- /*
- ** outerWidth * elementSize
- */
- GLint byteWidth;
-
- /*
- ** Allocation/deallocation is done based on this handle. A handle
- ** is conceptually different from the framebuffer 'base'.
- */
- void *handle;
-
- /* imported */
- GLboolean (*resize)(__GLdrawableBuffer *buf,
- GLint x, GLint y, GLuint width, GLuint height,
- __GLdrawablePrivate *glPriv, GLuint bufferMask);
- void (*lock)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
- void (*unlock)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
- void (*fill)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv,
- GLuint val, GLint x, GLint y, GLint w, GLint h);
- void (*free)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
-
- /* exported */
- void (*freePrivate)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv);
-#ifdef __cplusplus
- void *privatePtr;
-#else
- void *private;
-#endif
-
- /* private */
- void *other; /* implementation private data */
- __GLbufMainInitFn mainInit;
- __GLbufFallbackInitFn fallbackInit;
-};
-
-/*
-** The context side of the drawable private
-*/
-struct __GLdrawablePrivateRec {
- /*
- ** Drawable Modes
- */
- __GLcontextModes *modes;
-
- /*
- ** Drawable size
- */
- GLuint width, height;
-
- /*
- ** Origin in screen coordinates of the drawable
- */
- GLint xOrigin, yOrigin;
-#ifdef __GL_ALIGNED_BUFFERS
- /*
- ** Drawable offset from screen origin
- */
- GLint xOffset, yOffset;
-
- /*
- ** Alignment restriction
- */
- GLint xAlignment, yAlignment;
-#endif
- /*
- ** Should we invert the y axis?
- */
- GLint yInverted;
-
- /*
- ** Mask specifying which buffers are renderable by the hw
- */
- GLuint accelBufferMask;
-
- /*
- ** the buffers themselves
- */
- __GLdrawableBuffer frontBuffer;
- __GLdrawableBuffer backBuffer;
- __GLdrawableBuffer accumBuffer;
- __GLdrawableBuffer depthBuffer;
- __GLdrawableBuffer stencilBuffer;
-#if __GL_NUMBER_OF_AUX_BUFFERS > 0
- __GLdrawableBuffer *auxBuffer;
-#endif
-
- __GLdrawableRegion ownershipRegion;
-
- /*
- ** Lock for the drawable private structure
- */
- void *lock;
-#ifdef DEBUG
- /* lock debugging info */
- int lockRefCount;
- int lockLine[10];
- char *lockFile[10];
-#endif
-
- /* imported */
- void *(*malloc)(size_t size);
- void *(*calloc)(size_t numElem, size_t elemSize);
- void *(*realloc)(void *oldAddr, size_t newSize);
- void (*free)(void *addr);
-
- GLboolean (*addSwapRect)(__GLdrawablePrivate *glPriv,
- GLint x, GLint y, GLsizei width, GLsizei height);
- void (*setClipRect)(__GLdrawablePrivate *glPriv,
- GLint x, GLint y, GLsizei width, GLsizei height);
- void (*updateClipRegion)(__GLdrawablePrivate *glPriv);
- GLboolean (*resize)(__GLdrawablePrivate *glPriv);
- void (*getDrawableSize)(__GLdrawablePrivate *glPriv,
- GLint *x, GLint *y, GLuint *width, GLuint *height);
-
- void (*lockDP)(__GLdrawablePrivate *glPriv, __GLcontext *gc);
- void (*unlockDP)(__GLdrawablePrivate *glPriv);
-
- /* exported */
- void *wsPriv; /* pointer to the window system DrawablePrivate */
-#ifdef __cplusplus
- void *privatePtr;
-#else
- void *private;
-#endif
- void (*freePrivate)(__GLdrawablePrivate *);
-
- /* client data */
- void *other;
-};
-
-/*
-** Macros to lock/unlock the drawable private
-*/
-#if defined(DEBUG)
-#define __GL_LOCK_DP(glPriv,gc) \
- (*(glPriv)->lockDP)(glPriv,gc); \
- (glPriv)->lockLine[(glPriv)->lockRefCount] = __LINE__; \
- (glPriv)->lockFile[(glPriv)->lockRefCount] = __FILE__; \
- (glPriv)->lockRefCount++
-#define __GL_UNLOCK_DP(glPriv) \
- (glPriv)->lockRefCount--; \
- (glPriv)->lockLine[(glPriv)->lockRefCount] = 0; \
- (glPriv)->lockFile[(glPriv)->lockRefCount] = NULL; \
- (*(glPriv)->unlockDP)(glPriv)
-#else /* DEBUG */
-#define __GL_LOCK_DP(glPriv,gc) (*(glPriv)->lockDP)(glPriv,gc)
-#define __GL_UNLOCK_DP(glPriv) (*(glPriv)->unlockDP)(glPriv)
-#endif /* DEBUG */
-
-
-/*
-** Procedures which are imported by the GL from the surrounding
-** "operating system". Math functions are not considered part of the
-** "operating system".
-*/
-typedef struct __GLimportsRec {
- /* Memory management */
- void * (*malloc)(__GLcontext *gc, size_t size);
- void *(*calloc)(__GLcontext *gc, size_t numElem, size_t elemSize);
- void *(*realloc)(__GLcontext *gc, void *oldAddr, size_t newSize);
- void (*free)(__GLcontext *gc, void *addr);
-
- /* Error handling */
- void (*warning)(__GLcontext *gc, char *fmt);
- void (*fatal)(__GLcontext *gc, char *fmt);
-
- /* other system calls */
- char *(CAPI *getenv)(__GLcontext *gc, const char *var);
- int (CAPI *atoi)(__GLcontext *gc, const char *str);
- int (CAPI *sprintf)(__GLcontext *gc, char *str, const char *fmt, ...);
- void *(CAPI *fopen)(__GLcontext *gc, const char *path, const char *mode);
- int (CAPI *fclose)(__GLcontext *gc, void *stream);
- int (CAPI *fprintf)(__GLcontext *gc, void *stream, const char *fmt, ...);
-
- /* Drawing surface management */
- __GLdrawablePrivate *(*getDrawablePrivate)(__GLcontext *gc);
-
- /* Pointer to the window system context */
- void *wscx;
-
- /* Operating system dependent data goes here */
- void *other;
-} __GLimports;
-
-/************************************************************************/
-
-/*
-** Procedures which are exported by the GL to the surrounding "operating
-** system" so that it can manage multiple GL context's.
-*/
-typedef struct __GLexportsRec {
- /* Context management (return GL_FALSE on failure) */
- GLboolean (*destroyContext)(__GLcontext *gc);
- GLboolean (*loseCurrent)(__GLcontext *gc);
- GLboolean (*makeCurrent)(__GLcontext *gc);
- GLboolean (*shareContext)(__GLcontext *gc, __GLcontext *gcShare);
- GLboolean (*copyContext)(__GLcontext *dst, const __GLcontext *src, GLuint mask);
- GLboolean (*forceCurrent)(__GLcontext *gc);
-
- /* Drawing surface notification callbacks */
- GLboolean (*notifyResize)(__GLcontext *gc);
- void (*notifyDestroy)(__GLcontext *gc);
- void (*notifySwapBuffers)(__GLcontext *gc);
-
- /* Dispatch table override control for external agents like libGLS */
- struct __GLdispatchStateRec* (*dispatchExec)(__GLcontext *gc);
- void (*beginDispatchOverride)(__GLcontext *gc);
- void (*endDispatchOverride)(__GLcontext *gc);
-} __GLexports;
-
-/************************************************************************/
-
-/*
-** This must be the first member of a __GLcontext structure. This is the
-** only part of a context that is exposed to the outside world; everything
-** else is opaque.
-*/
-struct __GLinterfaceRec {
- __GLimports imports;
- __GLexports exports;
-};
-
-extern __GLcontext *__glCoreCreateContext(__GLimports *, __GLcontextModes *);
-extern void __glCoreNopDispatch(void);
-
-#endif /* __gl_core_h_ */
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