From: Marek Olšák <[email protected]>
---
src/gallium/drivers/radeonsi/si_state.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index cfe32bc7f5e..a7377f38745 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1371,23 +1371,31 @@ static void si_emit_db_render_state(struct si_context
*sctx)
S_028000_DEPTH_CLEAR_ENABLE(sctx->db_depth_clear) |
S_028000_STENCIL_CLEAR_ENABLE(sctx->db_stencil_clear);
}
/* DB_COUNT_CONTROL (occlusion queries) */
if (sctx->num_occlusion_queries > 0 &&
!sctx->occlusion_queries_disabled) {
bool perfect = sctx->num_perfect_occlusion_queries > 0;
if (sctx->chip_class >= CIK) {
+ unsigned log_sample_rate =
sctx->framebuffer.log_samples;
+
+ /* Stoney doesn't increment occlusion query counters
+ * if the sample rate is 16x. Use 8x sample rate
instead.
+ */
+ if (sctx->family == CHIP_STONEY)
+ log_sample_rate = MIN2(log_sample_rate, 3);
+
db_count_control =
S_028004_PERFECT_ZPASS_COUNTS(perfect) |
-
S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples) |
+ S_028004_SAMPLE_RATE(log_sample_rate) |
S_028004_ZPASS_ENABLE(1) |
S_028004_SLICE_EVEN_ENABLE(1) |
S_028004_SLICE_ODD_ENABLE(1);
} else {
db_count_control =
S_028004_PERFECT_ZPASS_COUNTS(perfect) |
S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples);
}
} else {
/* Disable occlusion queries. */
--
2.17.1
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