[Mesa-dev] [PATCH 1/1] radeonsi: Reorder checks in si_check_render_feedback
Jan Vesely
jan.vesely at rutgers.edu
Thu Apr 5 20:49:18 UTC 2018
si_get_total_colormask accesses NULL pointer on compute shaders
Fixes crashes on clover
Fixes: 0669dca9c00261849cee14d69fdea0a5e323c7f7 ("radeonsi: skip DCC render feedback checking if color writes are disabled")
CC: Marek Olšák <marek.olsak at amd.com>
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
src/gallium/drivers/radeonsi/si_blit.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index 40f512a682..35506dd74b 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -710,15 +710,15 @@ static void si_check_render_feedback_resident_images(struct si_context *sctx)
static void si_check_render_feedback(struct si_context *sctx)
{
+ if (!sctx->need_check_render_feedback)
+ return;
+
/* There is no render feedback if color writes are disabled.
* (e.g. a pixel shader with image stores)
*/
if (!si_get_total_colormask(sctx))
return;
- if (!sctx->need_check_render_feedback)
- return;
-
for (int i = 0; i < SI_NUM_SHADERS; ++i) {
si_check_render_feedback_images(sctx, &sctx->images[i]);
si_check_render_feedback_textures(sctx, &sctx->samplers[i]);
--
2.14.3
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