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-rw-r--r--src/mesa/drivers/dri/intel/intel_context.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 2494ac79457..378859c2a31 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -893,6 +893,10 @@ intel_process_dri2_buffer(struct intel_context *intel,
if (!rb)
return;
+ /* We try to avoid closing and reopening the same BO name, because the first
+ * use of a mapping of the buffer involves a bunch of page faulting which is
+ * moderately expensive.
+ */
if (rb->mt &&
rb->mt->region &&
rb->mt->region->name == buffer->name)