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/*
* SiS DRI wrapper
*
* Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria
*
* Licensed under the following terms:
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appears in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* and that the name of the copyright holder not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holder makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without expressed or implied warranty.
*
* THE COPYRIGHT HOLDER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
* EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL 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
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors: Can-Ru Yeou, SiS Inc.,
* Thomas Winischhofer <thomas@winischhofer.net>,
* others.
*
* Previously taken and modified from tdfx_dri.h
*/
#ifndef _SIS_DRI_H_
#define _SIS_DRI_H_
#include "xf86drm.h"
/* Hack: When the types were changed, the typedefs
* went into drm.h. This file did not exist earlier.
*/
#ifndef _DRM_H_
#define drm_handle_t drmHandle
#define drm_context_t drmContext
#endif
#define SIS_MAX_DRAWABLES 256
#define SISIOMAPSIZE (64*1024)
typedef struct {
int CtxOwner;
int QueueLength; /* (300: current, 315/etc: total) length of command queue */
unsigned int AGPCmdBufNext; /* (rename to AGPVtxBufNext) */
unsigned int FrameCount;
#ifdef SIS315DRI
unsigned int sharedWPoffset; /* Offset to current queue position (shared with 2D) */
unsigned int cmdQueueOffset; /* Offset of start of command queue in VRAM */
#endif
} SISSAREAPriv, *SISSAREAPrivPtr;
#define AGPVtxBufNext AGPCmdBufNext
#define SIS_FRONT 0
#define SIS_BACK 1
#define SIS_DEPTH 2
typedef struct {
drm_handle_t handle;
drmSize size;
#ifndef SISISXORG6899900
drmAddress map;
#endif
} sisRegion, *sisRegionPtr;
typedef struct {
sisRegion regs; /* MMIO registers */
sisRegion agp; /* AGP public area */
int deviceID; /* = pSiS->Chipset (PCI ID) */
int width; /* = pScrn->virtualX */
int height; /* = pScrn->virtualY */
int mem; /* total video RAM; seems unused */
int bytesPerPixel; /* Screen's bpp/8 */
int priv1; /* unused */
int priv2; /* unused */
int fbOffset; /* Front buffer; set up, but unused by DRI driver*/
int backOffset; /* unused (handled by the DRI driver) */
int depthOffset; /* unused (handled by the DRI driver) */
int textureOffset; /* unused (handled by the DRI driver) */
int textureSize; /* unused (handled by the DRI driver) */
unsigned int AGPCmdBufOffset; /* (rename to AGPVtxBufOffset) */
unsigned int AGPCmdBufSize; /* (rename to AGPVtxBufSize) */
int irqEnabled;
unsigned int scrnX; /* TODO: = width = pScrn->virtualX */
unsigned int scrnY; /* TODO: = height = pScrn->virtualY */
#ifdef SIS315DRI
unsigned char *AGPCmdBufBase;
unsigned long AGPCmdBufAddr;
unsigned long AGPCmdBufOffset2; /* (rename to AGPCmdBufOffset) */
unsigned int AGPCmdBufSize2; /* (rename to AGPCmdBufSize) */
int deviceRev; /* Chip revision */
#endif
} SISDRIRec, *SISDRIPtr;
#define AGPVtxBufOffset AGPCmdBufOffset
#define AGPVtxBufSize AGPCmdBufSize
typedef struct {
/* Nothing here yet */
int dummy;
} SISConfigPrivRec, *SISConfigPrivPtr;
typedef struct {
/* Nothing here yet */
int dummy;
} SISDRIContextRec, *SISDRIContextPtr;
#include "screenint.h"
Bool SISDRIScreenInit(ScreenPtr pScreen);
void SISDRICloseScreen(ScreenPtr pScreen);
Bool SISDRIFinishScreenInit(ScreenPtr pScreen);
#endif
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