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authorMarek Olšák <[email protected]>2014-08-23 11:12:01 +0200
committerMarek Olšák <[email protected]>2014-09-01 21:18:51 +0200
commit78aa71760161e7293cdb3f77ede27d36c2aae39b (patch)
tree84f8e5d8a0b4cd7a5ff331bd7d3e20027bbfe238 /src/gallium/drivers/radeonsi
parentab9ad9177981757e7f1d17c61fd123855620c875 (diff)
radeonsi: disable occlusion queries if they are not needed
We always left them enabled, which turned off HiZ in some cases. This should improve performace with Hyper-Z. Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
-rw-r--r--src/gallium/drivers/radeonsi/si_state_draw.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index b0fcb071e2e..3926e5ff15b 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) {