src/mesa/drivers/dri/s3v/s3v_dri.h

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 #ifndef _S3V_DRI
   6 #define _S3V_DRI
   7
   8 #include "s3v_common.h"
   9
  10 #define S3V_MAX_DRAWABLES (S3V_DMA_BUF_NR/2) /* 32 */ /* 256 */ /* FIXME */
  11
  12 typedef struct
  13 {
  14    int deviceID;
  15    int width;
  16    int height;
  17    int mem;
  18    int cpp;
  19    int bitsPerPixel;
  20
  21    int fbOffset;
  22    int fbStride;
  23
  24    int logTextureGranularity;
  25    int textureOffset;
  26
  27    drm_handle_t regs;
  28    drmSize regsSize;
  29
  30    unsigned int sarea_priv_offset;
  31 /*
  32    drmAddress regsMap;
  33
  34    drmSize textureSize;
  35    drm_handle_t textures;
  36 */
  37
  38 #if 0
  39    drm_handle_t agp_buffers;
  40    drmSize agp_buf_size;
  41 #endif
  42
  43 /*
  44    drmBufMapPtr drmBufs;
  45    int irq;
  46    unsigned int sarea_priv_offset;
  47 */
  48
  49 /* FIXME: cleanup ! */
  50
  51    drmSize            registerSize; /* == S3V_MMIO_REGSIZE */
  52    drm_handle_t       registerHandle;
  53
  54    drmSize            pciSize;
  55    drm_handle_t       pciMemHandle;
  56
  57    drmSize            frontSize;    /* == videoRambytes */
  58 /* drm_handle_t       frontHandle; */
  59    unsigned long      frontOffset;  /* == fbOffset */
  60    int                frontPitch;
  61 /* unsigned char      *front; */
  62
  63    unsigned int       bufferSize; /* size of depth/back buffer */
  64
  65    drmSize            backSize;
  66 /* drm_handle_t       backHandle; */
  67    unsigned long      backOffset;
  68    int                backPitch;
  69 /* unsigned char      *back; */
  70
  71    drmSize            depthSize;
  72 /* drm_handle_t       depthHandle; */
  73    unsigned long      depthOffset;
  74    int                depthPitch;
  75 /* unsigned char      *depth; */
  76
  77    drmSize            texSize;
  78 /* drm_handle_t       texHandle; */
  79    unsigned long      texOffset;
  80    int                texPitch;
  81 /* unsigned char      *tex; */
  82
  83    drmSize            dmaBufSize;       /* Size of buffers (in bytes) */
  84    drm_handle_t       dmaBufHandle;     /* Handle from drmAddMap */
  85    unsigned long      dmaBufOffset;     /* Offset/Start */
  86    int                dmaBufPitch;      /* Pitch */
  87    unsigned char      *dmaBuf;          /* Map */
  88    int                bufNumBufs;       /* Number of buffers */
  89    drmBufMapPtr       buffers;          /* Buffer map */
  90
  91 } S3VDRIRec, *S3VDRIPtr;
  92
  93 /* WARNING: Do not change the SAREA structure without changing the kernel
  94  * as well */
  95
  96 typedef struct {
  97    unsigned char next, prev; /* indices to form a circular LRU  */
  98    unsigned char in_use;   /* owned by a client, or free? */
  99    int age;                /* tracked by clients to update local LRU's */
 100 } S3VTexRegionRec, *S3VTexRegionPtr;
 101
 102 typedef struct {
 103    unsigned int nbox;
 104    drm_clip_rect_t boxes[S3V_NR_SAREA_CLIPRECTS];
 105
 106    /* Maintain an LRU of contiguous regions of texture space.  If
 107     * you think you own a region of texture memory, and it has an
 108     * age different to the one you set, then you are mistaken and
 109     * it has been stolen by another client.  If global texAge
 110     * hasn't changed, there is no need to walk the list.
 111     *
 112     * These regions can be used as a proxy for the fine-grained
 113     * texture information of other clients - by maintaining them
 114     * in the same lru which is used to age their own textures,
 115     * clients have an approximate lru for the whole of global
 116     * texture space, and can make informed decisions as to which
 117     * areas to kick out.  There is no need to choose whether to
 118     * kick out your own texture or someone else's - simply eject
 119     * them all in LRU order.
 120     */
 121    S3VTexRegionRec texList[S3V_NR_TEX_REGIONS+1]; /* Last elt is sentinal */
 122
 123    int texAge;             /* last time texture was uploaded */
 124
 125    int last_enqueue;       /* last time a buffer was enqueued */
 126    int last_dispatch;      /* age of the most recently dispatched buffer */
 127    int last_quiescent;     /*  */
 128
 129    int ctxOwner;           /* last context to upload state */
 130 } S3VSAREARec, *S3VSAREAPtr;
 131
 132 typedef struct {
 133   /* Nothing here yet */
 134   int dummy;
 135 } S3VConfigPrivRec, *S3VConfigPrivPtr;
 136
 137 typedef struct {
 138   /* Nothing here yet */
 139   int dummy;
 140 } S3VDRIContextRec, *S3VDRIContextPtr;
 141
 142
 143 #endif