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