141 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright © 2007 Red Hat, Inc.
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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 "Soft-
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 * ware"), to deal in the Software without restriction, including without
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 * limitation the rights to use, copy, modify, merge, publish, distribute,
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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, provided that the above copyright
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 * notice(s) and this permission notice appear in all copies of the Soft-
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 * ware and that both the above copyright notice(s) and this permission
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 * notice appear in supporting documentation.
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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 MERCHANTABIL-
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 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
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 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
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 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
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 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
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 * MANCE OF THIS SOFTWARE.
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 *
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 * Except as contained in this notice, the name of a copyright holder shall
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 * 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 of
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 * the copyright holder.
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 *
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 * Authors:
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 *   Kristian Høgsberg (krh@redhat.com)
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 */
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#ifndef _DRI2_H_
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#define _DRI2_H_
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#include <X11/extensions/dri2tokens.h>
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/* Version 2 structure (with format at the end) */
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typedef struct {
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    unsigned int attachment;
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    unsigned int name;
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    unsigned int pitch;
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    unsigned int cpp;
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    unsigned int flags;
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    unsigned int format;
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    void *driverPrivate;
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} DRI2BufferRec, *DRI2BufferPtr;
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typedef DRI2BufferRec DRI2Buffer2Rec, *DRI2Buffer2Ptr;
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typedef DRI2BufferPtr	(*DRI2CreateBuffersProcPtr)(DrawablePtr pDraw,
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						    unsigned int *attachments,
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						    int count);
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typedef void		(*DRI2DestroyBuffersProcPtr)(DrawablePtr pDraw,
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						     DRI2BufferPtr buffers,
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						     int count);
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typedef void		(*DRI2CopyRegionProcPtr)(DrawablePtr pDraw,
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						 RegionPtr pRegion,
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						 DRI2BufferPtr pDestBuffer,
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						 DRI2BufferPtr pSrcBuffer);
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typedef void		(*DRI2WaitProcPtr)(WindowPtr pWin,
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					   unsigned int sequence);
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typedef DRI2BufferPtr	(*DRI2CreateBufferProcPtr)(DrawablePtr pDraw,
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						   unsigned int attachment,
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						   unsigned int format);
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typedef void		(*DRI2DestroyBufferProcPtr)(DrawablePtr pDraw,
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						    DRI2BufferPtr buffer);
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/**
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 * Version of the DRI2InfoRec structure defined in this header
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 */
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#define DRI2INFOREC_VERSION 3
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typedef struct {
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    unsigned int version;	/**< Version of this struct */
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    int fd;
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    const char *driverName;
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    const char *deviceName;
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    DRI2CreateBufferProcPtr	CreateBuffer;
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    DRI2DestroyBufferProcPtr	DestroyBuffer;
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    DRI2CopyRegionProcPtr	CopyRegion;
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    DRI2WaitProcPtr		Wait;
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}  DRI2InfoRec, *DRI2InfoPtr;
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extern _X_EXPORT Bool DRI2ScreenInit(ScreenPtr	pScreen,
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		    DRI2InfoPtr info);
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extern _X_EXPORT void DRI2CloseScreen(ScreenPtr pScreen);
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extern _X_EXPORT Bool DRI2Connect(ScreenPtr pScreen,
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		 unsigned int driverType,
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		 int *fd,
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		 const char **driverName,
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		 const char **deviceName);
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extern _X_EXPORT Bool DRI2Authenticate(ScreenPtr pScreen, drm_magic_t magic);
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extern _X_EXPORT int DRI2CreateDrawable(DrawablePtr pDraw);
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extern _X_EXPORT void DRI2DestroyDrawable(DrawablePtr pDraw);
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extern _X_EXPORT DRI2BufferPtr *DRI2GetBuffers(DrawablePtr pDraw,
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			     int *width,
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			     int *height,
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			     unsigned int *attachments,
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			     int count,
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			     int *out_count);
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extern _X_EXPORT int DRI2CopyRegion(DrawablePtr pDraw,
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		   RegionPtr pRegion,
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		   unsigned int dest,
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		   unsigned int src);
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/**
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 * Determine the major and minor version of the DRI2 extension.
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 *
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 * Provides a mechanism to other modules (e.g., 2D drivers) to determine the
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 * version of the DRI2 extension.  While it is possible to peek directly at
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 * the \c XF86ModuleData from a layered module, such a module will fail to
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 * load (due to an unresolved symbol) if the DRI2 extension is not loaded.
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 *
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 * \param major  Location to store the major verion of the DRI2 extension
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 * \param minor  Location to store the minor verion of the DRI2 extension
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 *
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 * \note
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 * This interface was added some time after the initial release of the DRI2
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 * module.  Layered modules that wish to use this interface must first test
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 * its existance by calling \c xf86LoaderCheckSymbol.
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 */
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extern _X_EXPORT void DRI2Version(int *major, int *minor);
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extern _X_EXPORT DRI2BufferPtr *DRI2GetBuffersWithFormat(DrawablePtr pDraw,
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	int *width, int *height, unsigned int *attachments, int count,
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	int *out_count);
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#endif
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