[Mesa-dev] [PATCH 1/2] anv/blorp: Do the gen11 BTI flush
Jason Ekstrand
jason at jlekstrand.net
Tue Apr 17 22:10:42 UTC 2018
---
src/intel/vulkan/genX_blorp_exec.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/intel/vulkan/genX_blorp_exec.c b/src/intel/vulkan/genX_blorp_exec.c
index 1ecec19..b2c600f 100644
--- a/src/intel/vulkan/genX_blorp_exec.c
+++ b/src/intel/vulkan/genX_blorp_exec.c
@@ -202,6 +202,20 @@ genX(blorp_exec)(struct blorp_batch *batch,
genX(cmd_buffer_config_l3)(cmd_buffer, cfg);
}
+#if GEN_GEN >= 11
+ /* The PIPE_CONTROL command description says:
+ *
+ * "Whenever a Binding Table Index (BTI) used by a Render Taget Message
+ * points to a different RENDER_SURFACE_STATE, SW must issue a Render
+ * Target Cache Flush by enabling this bit. When render target flush
+ * is set due to new association of BTI, PS Scoreboard Stall bit must
+ * be set in this packet."
+ */
+ cmd_buffer->state.pending_pipe_bits |=
+ ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT |
+ ANV_PIPE_STALL_AT_SCOREBOARD_BIT;
+#endif
+
#if GEN_GEN == 7
/* The MI_LOAD/STORE_REGISTER_MEM commands which BLORP uses to implement
* indirect fast-clear colors can cause GPU hangs if we don't stall first.
--
2.5.0.400.gff86faf
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