From: Marek Olšák <[email protected]>
---
src/gallium/auxiliary/util/u_threaded_context.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_threaded_context.c
b/src/gallium/auxiliary/util/u_threaded_context.c
index 3038fc6..a97f016 100644
--- a/src/gallium/auxiliary/util/u_threaded_context.c
+++ b/src/gallium/auxiliary/util/u_threaded_context.c
@@ -195,22 +195,27 @@ _tc_sync(struct threaded_context *tc, const char *info,
const char *func)
tc_debug_check(tc);
}
#define tc_sync(tc) _tc_sync(tc, "", __func__)
#define tc_sync_msg(tc, info) _tc_sync(tc, info, __func__)
static void
tc_set_resource_reference(struct pipe_resource **dst, struct pipe_resource
*src)
{
- *dst = NULL;
- pipe_resource_reference(dst, src);
+ /* Unexpectedly, pipe_resource_reference is a bottleneck here, taking 3.7%
+ * of CPU time in a state-heavy microbenchmark. The problem here is that
+ * pipe_resource_reference isn't inlined here.
+ */
+ *dst = src;
+ if (src)
+ p_atomic_inc(&src->reference.count);
}
void
threaded_resource_init(struct pipe_resource *res)
{
struct threaded_resource *tres = threaded_resource(res);
tres->latest = &tres->b;
util_range_init(&tres->valid_buffer_range);
tres->base_valid_buffer_range = &tres->valid_buffer_range;
--
2.7.4
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