[Mesa-dev] [PATCH 5/5] i965: use ASTC5x5 workaround in brw_compute

kevin.rogovin at intel.com kevin.rogovin at intel.com
Fri Dec 1 17:19:22 UTC 2017

From: Kevin Rogovin <kevin.rogovin at intel.com>

Perform the ASTC5x5 workaround tasks for compute; note that
the function does not do anything and immediately returns
if the bug is not present on the hardware.

Signed-off-by: Kevin Rogovin <kevin.rogovin at intel.com>
 src/mesa/drivers/dri/i965/brw_compute.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_compute.c b/src/mesa/drivers/dri/i965/brw_compute.c
index 9be7523bab..e338539dc1 100644
--- a/src/mesa/drivers/dri/i965/brw_compute.c
+++ b/src/mesa/drivers/dri/i965/brw_compute.c
@@ -179,6 +179,12 @@ brw_dispatch_compute_common(struct gl_context *ctx)
    brw_predraw_resolve_inputs(brw, false);
+   /* if necessary, perform astc5x5 workarounds to make sure any sampler does
+    * not sample sample from a surface using an auxilary buffer within the
+    * same batch of sampling from a surface with an ASTC5x5 format
+    */
+   brw_astc5x5_perform_wa(brw);
    /* Flush the batch if the batch/state buffers are nearly full.  We can
     * grow them if needed, but this is not free, so we'd like to avoid it.

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