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/*
* Author: Max Lingua <sunmax@libero.it>
*/
#ifndef _S3V_DRI
#define _S3V_DRI
#include "s3v_common.h"
#define S3V_MAX_DRAWABLES (S3V_DMA_BUF_NR/2) /* 32 */ /* 256 */ /* FIXME */
typedef struct
{
int deviceID;
int width;
int height;
int mem;
int cpp;
int bitsPerPixel;
int fbOffset;
int fbStride;
int logTextureGranularity;
int textureOffset;
drm_handle_t regs;
drmSize regsSize;
unsigned int sarea_priv_offset;
/*
drmAddress regsMap;
drmSize textureSize;
drm_handle_t textures;
*/
#if 0
drm_handle_t agp_buffers;
drmSize agp_buf_size;
#endif
/*
drmBufMapPtr drmBufs;
int irq;
unsigned int sarea_priv_offset;
*/
/* FIXME: cleanup ! */
drmSize registerSize; /* == S3V_MMIO_REGSIZE */
drm_handle_t registerHandle;
drmSize pciSize;
drm_handle_t pciMemHandle;
drmSize frontSize; /* == videoRambytes */
/* drm_handle_t frontHandle; */
unsigned long frontOffset; /* == fbOffset */
int frontPitch;
/* unsigned char *front; */
unsigned int bufferSize; /* size of depth/back buffer */
drmSize backSize;
/* drm_handle_t backHandle; */
unsigned long backOffset;
int backPitch;
/* unsigned char *back; */
drmSize depthSize;
/* drm_handle_t depthHandle; */
unsigned long depthOffset;
int depthPitch;
/* unsigned char *depth; */
drmSize texSize;
/* drm_handle_t texHandle; */
unsigned long texOffset;
int texPitch;
/* unsigned char *tex; */
drmSize dmaBufSize; /* Size of buffers (in bytes) */
drm_handle_t dmaBufHandle; /* Handle from drmAddMap */
unsigned long dmaBufOffset; /* Offset/Start */
int dmaBufPitch; /* Pitch */
unsigned char *dmaBuf; /* Map */
int bufNumBufs; /* Number of buffers */
drmBufMapPtr buffers; /* Buffer map */
} S3VDRIRec, *S3VDRIPtr;
/* WARNING: Do not change the SAREA structure without changing the kernel
* as well */
typedef struct {
unsigned char next, prev; /* indices to form a circular LRU */
unsigned char in_use; /* owned by a client, or free? */
int age; /* tracked by clients to update local LRU's */
} S3VTexRegionRec, *S3VTexRegionPtr;
typedef struct {
unsigned int nbox;
drm_clip_rect_t boxes[S3V_NR_SAREA_CLIPRECTS];
/* Maintain an LRU of contiguous regions of texture space. If
* you think you own a region of texture memory, and it has an
* age different to the one you set, then you are mistaken and
* it has been stolen by another client. If global texAge
* hasn't changed, there is no need to walk the list.
*
* These regions can be used as a proxy for the fine-grained
* texture information of other clients - by maintaining them
* in the same lru which is used to age their own textures,
* clients have an approximate lru for the whole of global
* texture space, and can make informed decisions as to which
* areas to kick out. There is no need to choose whether to
* kick out your own texture or someone else's - simply eject
* them all in LRU order.
*/
S3VTexRegionRec texList[S3V_NR_TEX_REGIONS+1]; /* Last elt is sentinal */
int texAge; /* last time texture was uploaded */
int last_enqueue; /* last time a buffer was enqueued */
int last_dispatch; /* age of the most recently dispatched buffer */
int last_quiescent; /* */
int ctxOwner; /* last context to upload state */
} S3VSAREARec, *S3VSAREAPtr;
typedef struct {
/* Nothing here yet */
int dummy;
} S3VConfigPrivRec, *S3VConfigPrivPtr;
typedef struct {
/* Nothing here yet */
int dummy;
} S3VDRIContextRec, *S3VDRIContextPtr;
#endif
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