143 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			143 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #ifndef _GLX_context_h_
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| #define _GLX_context_h_
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| 
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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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| 
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| typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap;
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| struct __GLXtextureFromPixmap {
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|     int (*bindTexImage) (__GLXcontext * baseContext,
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|                          int buffer, __GLXdrawable * pixmap);
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|     int (*releaseTexImage) (__GLXcontext * baseContext,
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|                             int buffer, __GLXdrawable * pixmap);
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| };
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| 
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| struct __GLXcontext {
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|     void (*destroy) (__GLXcontext * context);
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|     int (*makeCurrent) (__GLXcontext * context);
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|     int (*loseCurrent) (__GLXcontext * context);
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|     int (*copy) (__GLXcontext * dst, __GLXcontext * src, unsigned long mask);
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|     Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error);
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| 
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|     __GLXtextureFromPixmap *textureFromPixmap;
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| 
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|     /*
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|      ** list of context structs
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|      */
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|     __GLXcontext *last;
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|     __GLXcontext *next;
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| 
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|     /*
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|      ** config struct for this context
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|      */
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|     __GLXconfig *config;
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| 
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|     /*
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|      ** Pointer to screen info data for this context.  This is set
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|      ** when the context is created.
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|      */
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|     __GLXscreen *pGlxScreen;
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| 
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|     /*
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|      ** The XID of this context.
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|      */
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|     XID id;
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| 
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|     /*
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|      ** The XID of the shareList context.
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|      */
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|     XID share_id;
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| 
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|     /*
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|      ** Whether this context's ID still exists.
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|      */
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|     GLboolean idExists;
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| 
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|     /*
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|      ** Whether this context is current for some client.
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|      */
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|     GLboolean isCurrent;
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| 
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|     /*
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|      ** Whether this context is a direct rendering context.
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|      */
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|     GLboolean isDirect;
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| 
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|     /*
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|      ** This flag keeps track of whether there are unflushed GL commands.
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|      */
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|     GLboolean hasUnflushedCommands;
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| 
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|     /*
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|      ** Current rendering mode for this context.
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|      */
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|     GLenum renderMode;
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| 
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|     /**
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|      * Reset notification strategy used when a GPU reset occurs.
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|      */
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|     GLenum resetNotificationStrategy;
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| 
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|     /*
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|      ** Buffers for feedback and selection.
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|      */
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|     GLfloat *feedbackBuf;
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|     GLint feedbackBufSize;      /* number of elements allocated */
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|     GLuint *selectBuf;
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|     GLint selectBufSize;        /* number of elements allocated */
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| 
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|     /*
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|      ** The drawable private this context is bound to
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|      */
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|     __GLXdrawable *drawPriv;
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|     __GLXdrawable *readPriv;
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| };
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| 
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| void __glXContextDestroy(__GLXcontext * context);
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| 
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| extern int validGlxScreen(ClientPtr client, int screen,
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|                           __GLXscreen ** pGlxScreen, int *err);
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| 
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| extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
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|                             XID id, __GLXconfig ** config, int *err);
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| 
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| extern int validGlxContext(ClientPtr client, XID id, int access_mode,
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|                            __GLXcontext ** context, int *err);
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| 
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| extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen,
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|                                               __GLXconfig * modes,
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|                                               __GLXcontext * shareContext);
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| 
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| #endif                          /* !__GLX_context_h__ */
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