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[965] Fix massively broken state cache dirty flagging. 

It was flagging a last_bo update even when last_bo didn't change, but
another part was failing to update last_bo when it should have.
This commit is contained in:
Michal Wajdeczko 2008-03-26 13:43:16 -07:00 committed by Eric Anholt
parent 76430815a7
commit 0500467044
1 changed files with 6 additions and 2 deletions
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8
src/mesa/drivers/dri/i965/brw_state_cache.c
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@ -85,7 +85,7 @@ static GLuint hash_key( const void *key, GLuint key_size,
}
/* Include the BO pointers as key data as well */
ikey = (void *)reloc_bufs;
ikey = (GLuint *)reloc_bufs;
key_size = nr_reloc_bufs * sizeof(dri_bo *);
for (i = 0; i < key_size/4; i++) {
hash ^= ikey[i];
@ -102,6 +102,9 @@ static void
update_cache_last(struct brw_cache *cache, enum brw_cache_id cache_id,
dri_bo *bo)
{
if (bo == cache->last_bo[cache_id])
return; /* no change */
dri_bo_unreference(cache->last_bo[cache_id]);
cache->last_bo[cache_id] = bo;
dri_bo_reference(cache->last_bo[cache_id]);
@ -255,7 +258,7 @@ brw_upload_cache( struct brw_cache *cache,
if (INTEL_DEBUG & DEBUG_STATE)
_mesa_printf("upload %s: %d bytes to cache id %d\n",
cache->name[cache_id],
data_size);
data_size, cache_id);
/* Copy data to the buffer */
dri_bo_subdata(bo, 0, data_size, data);
@ -282,6 +285,7 @@ brw_cache_data_sz(struct brw_cache *cache,
item = search_cache(cache, cache_id, hash, data, data_size,
reloc_bufs, nr_reloc_bufs);
if (item) {
update_cache_last(cache, cache_id, item->bo);
dri_bo_reference(item->bo);
return item->bo;
}