X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi965%2Fbrw_state_cache.c;h=c262e1db8b9e83641d789b0adb61e37a783fde54;hb=9fd7e9ef05955834e3c4de8a1dfa7ea1a868d762;hp=e40d7a04164f50110f8070bedb4d60b6f7c01cb5;hpb=ee98ae5a29ca870149c4a0d2a8f25f55e0fd333a;p=mesa.git

diff --git a/src/mesa/drivers/dri/i965/brw_state_cache.c b/src/mesa/drivers/dri/i965/brw_state_cache.c
index e40d7a04164..c262e1db8b9 100644
--- a/src/mesa/drivers/dri/i965/brw_state_cache.c
+++ b/src/mesa/drivers/dri/i965/brw_state_cache.c
@@ -517,6 +517,41 @@ brw_clear_cache(struct brw_context *brw, struct brw_cache *cache)
    brw->state.dirty.cache |= ~0;
 }
 
+/* Clear all entries from the cache that point to the given bo.
+ *
+ * This lets us release memory for reuse earlier for known-dead buffers,
+ * at the cost of walking the entire hash table.
+ */
+void
+brw_state_cache_bo_delete(struct brw_cache *cache, dri_bo *bo)
+{
+   struct brw_cache_item **prev;
+   GLuint i;
+
+   if (INTEL_DEBUG & DEBUG_STATE)
+      _mesa_printf("%s\n", __FUNCTION__);
+
+   for (i = 0; i < cache->size; i++) {
+      for (prev = &cache->items[i]; *prev;) {
+	 struct brw_cache_item *c = *prev;
+
+	 if (drm_intel_bo_references(c->bo, bo)) {
+	    int j;
+
+	    *prev = c->next;
+
+	    for (j = 0; j < c->nr_reloc_bufs; j++)
+	       dri_bo_unreference(c->reloc_bufs[j]);
+	    dri_bo_unreference(c->bo);
+	    free((void *)c->key);
+	    free(c);
+	    cache->n_items--;
+	 } else {
+	    prev = &c->next;
+	 }
+      }
+   }
+}
 
 void
 brw_state_cache_check_size(struct brw_context *brw)