From: Marek Olšák <marek.ol...@amd.com>
We always left them enabled, which turned off HiZ in some cases.
This should improve performace with Hyper-Z.
---
src/gallium/drivers/radeonsi/si_state_draw.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index 0f700a8..d3a5bc1 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -729,6 +729,14 @@ static void si_state_draw(struct si_context *sctx,
S_028004_PERFECT_ZPASS_COUNTS(1) |
S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples));
}
+ } else {
+ /* Disable occlusion queries. */
+ if (sctx->b.chip_class >= CIK) {
+ si_pm4_set_reg(pm4, R_028004_DB_COUNT_CONTROL, 0);
+ } else {
+ si_pm4_set_reg(pm4, R_028004_DB_COUNT_CONTROL,
+ S_028004_ZPASS_INCREMENT_DISABLE(1));
+ }
}
if (info->count_from_stream_output) {
--
1.9.1
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