From 07730e9463637a62e41a9783374102b4181ba960 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 23 Apr 2014 13:45:22 -0700 Subject: [PATCH] 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 --- src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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"); -- 2.30.2