From 78aa71760161e7293cdb3f77ede27d36c2aae39b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sat, 23 Aug 2014 11:12:01 +0200 Subject: [PATCH] radeonsi: disable occlusion queries if they are not needed MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We always left them enabled, which turned off HiZ in some cases. This should improve performace with Hyper-Z. Reviewed-by: Michel Dänzer --- 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 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) { -- 2.30.2