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/*
* Copyright © 2007 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Soft-
* ware"), to deal in the Software without restriction, including without
* limitation the rights to use, copy, modify, merge, publish, distribute,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, provided that the above copyright
* notice(s) and this permission notice appear in all copies of the Soft-
* ware and that both the above copyright notice(s) and this permission
* notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
* MANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder shall
* not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization of
* the copyright holder.
*
* Authors:
* Kristian Høgsberg (krh@redhat.com)
*/
#ifndef _DRI2_H_
#define _DRI2_H_
#include <X11/extensions/dri2tokens.h>
/* Version 1 structure (for ABI compatibility) */
typedef struct {
unsigned int attachment;
unsigned int name;
unsigned int pitch;
unsigned int cpp;
unsigned int flags;
void *driverPrivate;
} DRI2BufferRec, *DRI2BufferPtr;
/* Version 2 structure (with format at the end) */
typedef struct {
unsigned int attachment;
unsigned int name;
unsigned int pitch;
unsigned int cpp;
unsigned int flags;
void *driverPrivate;
unsigned int format;
} DRI2Buffer2Rec, *DRI2Buffer2Ptr;
typedef DRI2BufferPtr (*DRI2CreateBuffersProcPtr)(DrawablePtr pDraw,
unsigned int *attachments,
int count);
typedef void (*DRI2DestroyBuffersProcPtr)(DrawablePtr pDraw,
DRI2BufferPtr buffers,
int count);
typedef void (*DRI2CopyRegionProcPtr)(DrawablePtr pDraw,
RegionPtr pRegion,
DRI2BufferPtr pDestBuffer,
DRI2BufferPtr pSrcBuffer);
typedef void (*DRI2WaitProcPtr)(WindowPtr pWin,
unsigned int sequence);
typedef DRI2Buffer2Ptr (*DRI2CreateBufferProcPtr)(DrawablePtr pDraw,
unsigned int attachment,
unsigned int format);
typedef void (*DRI2DestroyBufferProcPtr)(DrawablePtr pDraw,
DRI2Buffer2Ptr buffer);
/**
* Version of the DRI2InfoRec structure defined in this header
*/
#define DRI2INFOREC_VERSION 2
typedef struct {
unsigned int version; /**< Version of this struct */
int fd;
const char *driverName;
const char *deviceName;
DRI2CreateBuffersProcPtr CreateBuffers;
DRI2DestroyBuffersProcPtr DestroyBuffers;
DRI2CopyRegionProcPtr CopyRegion;
DRI2WaitProcPtr Wait;
/**
* \name Fields added in version 2 of the structure.
*/
/*@{*/
DRI2CreateBufferProcPtr CreateBuffer;
DRI2DestroyBufferProcPtr DestroyBuffer;
/*@}*/
} DRI2InfoRec, *DRI2InfoPtr;
Bool DRI2ScreenInit(ScreenPtr pScreen,
DRI2InfoPtr info);
void DRI2CloseScreen(ScreenPtr pScreen);
Bool DRI2Connect(ScreenPtr pScreen,
unsigned int driverType,
int *fd,
const char **driverName,
const char **deviceName);
Bool DRI2Authenticate(ScreenPtr pScreen, drm_magic_t magic);
int DRI2CreateDrawable(DrawablePtr pDraw);
void DRI2DestroyDrawable(DrawablePtr pDraw);
DRI2Buffer2Ptr *DRI2GetBuffers(DrawablePtr pDraw,
int *width,
int *height,
unsigned int *attachments,
int count,
int *out_count);
int DRI2CopyRegion(DrawablePtr pDraw,
RegionPtr pRegion,
unsigned int dest,
unsigned int src);
/**
* Determine the major and minor version of the DRI2 extension.
*
* Provides a mechanism to other modules (e.g., 2D drivers) to determine the
* version of the DRI2 extension. While it is possible to peek directly at
* the \c XF86ModuleData from a layered module, such a module will fail to
* load (due to an unresolved symbol) if the DRI2 extension is not loaded.
*
* \param major Location to store the major verion of the DRI2 extension
* \param minor Location to store the minor verion of the DRI2 extension
*
* \note
* This interface was added some time after the initial release of the DRI2
* module. Layered modules that wish to use this interface must first test
* its existance by calling \c xf86LoaderCheckSymbol.
*/
extern _X_EXPORT void DRI2Version(int *major, int *minor);
extern _X_EXPORT DRI2Buffer2Ptr *DRI2GetBuffersWithFormat(DrawablePtr pDraw,
int *width, int *height, unsigned int *attachments, int count,
int *out_count);
#endif
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