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

   1 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_dri.h,v 1.10 2002/12/10 01:27:04 dawes Exp $ */
   2
   3 #ifndef _I810_DRI_
   4 #define _I810_DRI_
   5
   6 #include "xf86drm.h"
   7 #include "i810_common.h"
   8
   9 #define I810_MAX_DRAWABLES 256
  10
  11 typedef struct {
  12    drm_handle_t regs;
  13    drmSize regsSize;
  14
  15    drmSize backbufferSize;
  16    drm_handle_t backbuffer;
  17
  18    drmSize depthbufferSize;
  19    drm_handle_t depthbuffer;
  20
  21    drm_handle_t textures;
  22    int textureSize;
  23
  24    drm_handle_t agp_buffers;
  25    drmSize agp_buf_size;
  26
  27    int deviceID;
  28    int width;
  29    int height;
  30    int mem;
  31    int cpp;
  32    int bitsPerPixel;
  33    int fbOffset;
  34    int fbStride;
  35
  36    int backOffset;
  37    int depthOffset;
  38
  39    int auxPitch;
  40    int auxPitchBits;
  41
  42    int logTextureGranularity;
  43    int textureOffset;
  44
  45    /* For non-dma direct rendering.
  46     */
  47    int ringOffset;
  48    int ringSize;
  49
  50    drmBufMapPtr drmBufs;
  51    int irq;
  52    unsigned int sarea_priv_offset;
  53
  54 } I810DRIRec, *I810DRIPtr;
  55
  56 /* WARNING: Do not change the SAREA structure without changing the kernel
  57  * as well */
  58
  59 #define I810_UPLOAD_TEX0IMAGE  0x1      /* handled clientside */
  60 #define I810_UPLOAD_TEX1IMAGE  0x2      /* handled clientside */
  61 #define I810_UPLOAD_CTX        0x4
  62 #define I810_UPLOAD_BUFFERS    0x8
  63 #define I810_UPLOAD_TEX0       0x10
  64 #define I810_UPLOAD_TEX1       0x20
  65 #define I810_UPLOAD_CLIPRECTS  0x40
  66
  67 typedef struct {
  68    unsigned char next, prev;            /* indices to form a circular LRU  */
  69    unsigned char in_use;                /* owned by a client, or free? */
  70    int age;                             /* tracked by clients to update local LRU's */
  71 } I810TexRegionRec, *I810TexRegionPtr;
  72
  73 typedef struct {
  74    unsigned int ContextState[I810_CTX_SETUP_SIZE];
  75    unsigned int BufferState[I810_DEST_SETUP_SIZE];
  76    unsigned int TexState[2][I810_TEX_SETUP_SIZE];
  77    unsigned int dirty;
  78
  79    unsigned int nbox;
  80    drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
  81
  82    /* Maintain an LRU of contiguous regions of texture space.  If
  83     * you think you own a region of texture memory, and it has an
  84     * age different to the one you set, then you are mistaken and
  85     * it has been stolen by another client.  If global texAge
  86     * hasn't changed, there is no need to walk the list.
  87     *
  88     * These regions can be used as a proxy for the fine-grained
  89     * texture information of other clients - by maintaining them
  90     * in the same lru which is used to age their own textures,
  91     * clients have an approximate lru for the whole of global
  92     * texture space, and can make informed decisions as to which
  93     * areas to kick out.  There is no need to choose whether to
  94     * kick out your own texture or someone else's - simply eject
  95     * them all in LRU order.
  96     */
  97
  98    drmTextureRegion texList[I810_NR_TEX_REGIONS + 1];
  99
 100    /* Last elt is sentinal */
 101    int texAge;                          /* last time texture was uploaded */
 102
 103    int last_enqueue;                    /* last time a buffer was enqueued */
 104    int last_dispatch;                   /* age of the most recently dispatched buffer */
 105    int last_quiescent;                  /*  */
 106
 107    int ctxOwner;                        /* last context to upload state */
 108
 109    int vertex_prim;
 110
 111    int pf_enabled;                  /* is pageflipping allowed? */
 112    int pf_active;                   /* is pageflipping active right now? */
 113    int pf_current_page;             /* which buffer is being displayed? */
 114
 115
 116 } I810SAREARec, *I810SAREAPtr;
 117
 118 typedef struct {
 119    /* Nothing here yet */
 120    int dummy;
 121 } I810ConfigPrivRec, *I810ConfigPrivPtr;
 122
 123 typedef struct {
 124    /* Nothing here yet */
 125    int dummy;
 126 } I810DRIContextRec, *I810DRIContextPtr;
 127
 128 #endif