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/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_screen.h,v 1.2 2000/08/25 13:42:30 dawes Exp $ */
/**************************************************************************
Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
Cedar Park, Texas.
All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
on the rights to use, copy, modify, merge, publish, distribute, sub
license, and/or sell copies of the Software, and to permit persons to whom
the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
**************************************************************************/
/*
* Authors:
* Kevin E. Martin <kevin@precisioninsight.com>
*
*/
#ifndef _R128_SCREEN_H_
#define _R128_SCREEN_H_
#ifdef GLX_DIRECT_RENDERING
#include "r128_sarea.h"
typedef struct {
drmHandle handle; /* Handle to the DRM region */
drmSize size; /* Size of the DRM region */
} r128RegionRec, *r128RegionPtr;
typedef struct {
/* MMIO register data */
r128RegionRec mmioRgn;
unsigned char *mmio;
/* CCE ring buffer data */
r128RegionRec ringRgn;
unsigned char *ring;
/* CCE ring read pointer data */
r128RegionRec ringReadRgn;
/* CCE vertex buffer data */
r128RegionRec vbRgn;
unsigned char *vb;
int vbOffset;
int vbMapSize;
int vbBufSize;
drmBufMapPtr vbBufs;
/* CCE indirect buffer data */
r128RegionRec indRgn;
unsigned char *ind;
/* CCE AGP Texture data */
r128RegionRec agpTexRgn;
unsigned char *agpTex;
int agpTexOffset;
/* Frame buffer data */
unsigned char *fb;
unsigned long fbOffset;
int fbStride;
int fbSize;
int IsPCI; /* Current card is a PCI card */
int CCEMode; /* CCE mode that server/clients use */
int CCEFifoSize; /* Size of the CCE command FIFO */
/* CCE ring buffer data */
int ringEntries;
volatile int *ringReadPtr; /* Pointer to current read addr */
int *ringStartPtr; /* Pointer to end of ring buffer */
int *ringEndPtr; /* Pointer to end of ring buffer */
/* DRI screen private data */
int deviceID; /* PCI device ID */
int width; /* Width in pixels of display */
int height; /* Height in scanlines of display */
int depth; /* Depth of display (8, 15, 16, 24) */
int bpp; /* Bit depth of disp (8, 16, 24, 32) */
int pixel_code; /* 8, 15, 16, 24, 32 */
int fbX; /* Start of frame buffer */
int fbY;
int backX; /* Start of shared back buffer */
int backY;
int depthX; /* Start of shared depth buffer */
int depthY;
/* Shared texture data */
int NRTexHeaps;
int texOffset[R128_NR_TEX_HEAPS];
int texSize[R128_NR_TEX_HEAPS];
int log2TexGran[R128_NR_TEX_HEAPS];
int MMIOFifoSlots; /* Free slots in the FIFO (64 max) */
int CCEFifoSlots; /* Free slots in the CCE FIFO */
int CCEFifoAddr; /* MMIO offset to write next CCE
value (only used when CCE is
in PIO mode). */
R128SAREAPrivPtr SAREA; /* Pointer to SAREA private data */
__DRIscreenPrivate *driScreen;
} r128ScreenRec, *r128ScreenPtr;
r128ScreenPtr r128CreateScreen(__DRIscreenPrivate *sPriv);
void r128DestroyScreen(__DRIscreenPrivate *sPriv);
#endif
#endif /* _R128_SCREEN_H_ */
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