Mesa (master): radeonsi: don' t flush and wait for CB after depth-only rendering
Marek Olšák
mareko at kemper.freedesktop.org
Mon Jun 26 21:35:29 UTC 2017
Module: Mesa
Branch: master
Commit: ccf963ed2984a77a25915adbf2d87ddfacc27cb5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ccf963ed2984a77a25915adbf2d87ddfacc27cb5
Author: Marek Olšák <marek.olsak at amd.com>
Date: Sat Jun 24 22:39:01 2017 +0200
radeonsi: don't flush and wait for CB after depth-only rendering
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
src/gallium/drivers/radeonsi/si_state.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 0f39ede0c7..b236bed306 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2535,8 +2535,11 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
* (after FMASK decompression). Shader write -> FB read transitions
* cannot happen for MSAA textures, because MSAA shader images are
* not supported.
+ *
+ * Only flush and wait for CB if there is actually a bound color buffer.
*/
- if (sctx->framebuffer.nr_samples <= 1) {
+ if (sctx->framebuffer.nr_samples <= 1 &&
+ sctx->framebuffer.state.nr_cbufs) {
sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 |
SI_CONTEXT_INV_GLOBAL_L2 |
SI_CONTEXT_FLUSH_AND_INV_CB;
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