va/x11/va_dricommon.c

   1 #include "va_dricommon.h"
   2
   3 static struct dri_drawable *
   4 do_drawable_hash(VADriverContextP ctx, XID drawable)
   5 {
   6     struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
   7     int index = drawable % DRAWABLE_HASH_SZ;
   8     struct dri_drawable *dri_drawable = dri_state->drawable_hash[index];
   9
  10     while (dri_drawable) {
  11         if (dri_drawable->x_drawable == drawable)
  12             return dri_drawable;
  13         dri_drawable = dri_drawable->next;
  14     }
  15
  16     dri_drawable = dri_state->createDrawable(ctx, drawable);
  17     dri_drawable->x_drawable = drawable;
  18     dri_drawable->next = dri_state->drawable_hash[index];
  19     dri_state->drawable_hash[index] = dri_drawable;
  20
  21     return dri_drawable;
  22 }
  23
  24 void
  25 free_drawable_hashtable(VADriverContextP ctx)
  26 {
  27     struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
  28     int i;
  29     struct dri_drawable *dri_drawable, *prev;
  30
  31     for (i = 0; i < DRAWABLE_HASH_SZ; i++) {
  32         dri_drawable = dri_state->drawable_hash[i];
  33
  34         while (dri_drawable) {
  35             prev = dri_drawable;
  36             dri_drawable = prev->next;
  37             dri_state->destroyDrawable(ctx, prev);
  38         }
  39     }
  40 }
  41
  42 struct dri_drawable *
  43 dri_get_drawable(VADriverContextP ctx, XID drawable)
  44 {
  45     return do_drawable_hash(ctx, drawable);
  46 }
  47
  48 void
  49 dri_swap_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable)
  50 {
  51     struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
  52
  53     dri_state->swapBuffer(ctx, dri_drawable);
  54 }
  55
  56 union dri_buffer *
  57 dri_get_rendering_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable)
  58 {
  59     struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
  60
  61     return dri_state->getRenderingBuffer(ctx, dri_drawable);
  62 }