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authorEric Anholt <[email protected]>2014-04-23 13:45:22 -0700
committerEric Anholt <[email protected]>2014-04-25 18:19:55 -0700
commit07730e9463637a62e41a9783374102b4181ba960 (patch)
treef8e7e840ed3ac4b7f00bc619f14ab0d7a94b6218 /src/mesa
parent17860309f17de78e729f77e86101004f61f6bcf3 (diff)
i965: Don't bother flushing the batch if it doesn't ref our mt to map.
-1.1372% +/- 0.858033% effect on cairo runtime on glamor (n=175). Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 59700ed8b17..c24cfcea4bc 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1614,7 +1614,8 @@ intel_miptree_map_raw(struct brw_context *brw, struct intel_mipmap_tree *mt)
drm_intel_bo *bo = mt->region->bo;
- intel_batchbuffer_flush(brw);
+ if (drm_intel_bo_references(brw->batch.bo, bo))
+ intel_batchbuffer_flush(brw);
if (mt->region->tiling != I915_TILING_NONE)
brw_bo_map_gtt(brw, bo, "miptree");