src/mesa/drivers/dri/i810/server/i810_dri.h

   1
   2 #ifndef _I810_DRI_
   3 #define _I810_DRI_
   4
   5 #include "xf86drm.h"
   6 #include "i810_common.h"
   7
   8 #define I810_MAX_DRAWABLES 256
   9
  10 typedef struct {
  11    drm_handle_t regs;
  12    drmSize regsSize;
  13
  14    drmSize backbufferSize;
  15    drm_handle_t backbuffer;
  16
  17    drmSize depthbufferSize;
  18    drm_handle_t depthbuffer;
  19
  20    drm_handle_t textures;
  21    int textureSize;
  22
  23    drm_handle_t agp_buffers;
  24    drmSize agp_buf_size;
  25
  26    int deviceID;
  27    int width;
  28    int height;
  29    int mem;
  30    int cpp;
  31    int bitsPerPixel;
  32    int fbOffset;
  33    int fbStride;
  34
  35    int backOffset;
  36    int depthOffset;
  37
  38    int auxPitch;
  39    int auxPitchBits;
  40
  41    int logTextureGranularity;
  42    int textureOffset;
  43
  44    /* For non-dma direct rendering.
  45     */
  46    int ringOffset;
  47    int ringSize;
  48
  49    drmBufMapPtr drmBufs;
  50    int irq;
  51    unsigned int sarea_priv_offset;
  52
  53 } I810DRIRec, *I810DRIPtr;
  54
  55 /* WARNING: Do not change the SAREA structure without changing the kernel
  56  * as well */
  57
  58 #define I810_UPLOAD_TEX0IMAGE  0x1      /* handled clientside */
  59 #define I810_UPLOAD_TEX1IMAGE  0x2      /* handled clientside */
  60 #define I810_UPLOAD_CTX        0x4
  61 #define I810_UPLOAD_BUFFERS    0x8
  62 #define I810_UPLOAD_TEX0       0x10
  63 #define I810_UPLOAD_TEX1       0x20
  64 #define I810_UPLOAD_CLIPRECTS  0x40
  65
  66 typedef struct {
  67    unsigned char next, prev;            /* indices to form a circular LRU  */
  68    unsigned char in_use;                /* owned by a client, or free? */
  69    int age;                             /* tracked by clients to update local LRU's */
  70 } I810TexRegionRec, *I810TexRegionPtr;
  71
  72 typedef struct {
  73    unsigned int ContextState[I810_CTX_SETUP_SIZE];
  74    unsigned int BufferState[I810_DEST_SETUP_SIZE];
  75    unsigned int TexState[2][I810_TEX_SETUP_SIZE];
  76    unsigned int dirty;
  77
  78    unsigned int nbox;
  79    drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
  80
  81    /* Maintain an LRU of contiguous regions of texture space.  If
  82     * you think you own a region of texture memory, and it has an
  83     * age different to the one you set, then you are mistaken and
  84     * it has been stolen by another client.  If global texAge
  85     * hasn't changed, there is no need to walk the list.
  86     *
  87     * These regions can be used as a proxy for the fine-grained
  88     * texture information of other clients - by maintaining them
  89     * in the same lru which is used to age their own textures,
  90     * clients have an approximate lru for the whole of global
  91     * texture space, and can make informed decisions as to which
  92     * areas to kick out.  There is no need to choose whether to
  93     * kick out your own texture or someone else's - simply eject
  94     * them all in LRU order.
  95     */
  96
  97    drmTextureRegion texList[I810_NR_TEX_REGIONS + 1];
  98
  99    /* Last elt is sentinal */
 100    int texAge;                          /* last time texture was uploaded */
 101
 102    int last_enqueue;                    /* last time a buffer was enqueued */
 103    int last_dispatch;                   /* age of the most recently dispatched buffer */
 104    int last_quiescent;                  /*  */
 105
 106    int ctxOwner;                        /* last context to upload state */
 107
 108    int vertex_prim;
 109
 110    int pf_enabled;                  /* is pageflipping allowed? */
 111    int pf_active;                   /* is pageflipping active right now? */
 112    int pf_current_page;             /* which buffer is being displayed? */
 113
 114
 115 } I810SAREARec, *I810SAREAPtr;
 116
 117 typedef struct {
 118    /* Nothing here yet */
 119    int dummy;
 120 } I810ConfigPrivRec, *I810ConfigPrivPtr;
 121
 122 typedef struct {
 123    /* Nothing here yet */
 124    int dummy;
 125 } I810DRIContextRec, *I810DRIContextPtr;
 126
 127 #endif