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