[Mesa-dev] [PATCH] r600g: fix alpha-test with HyperZ enabled, fixing L4D2 tree corruption
Marek Olšák
maraeo at gmail.com
Tue Sep 2 12:14:46 PDT 2014
From: Marek Olšák <marek.olsak at amd.com>
*_update_db_shader_control depends on the alpha test state. The problem was
it was in a block which is only entered if the pixel shader is changed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74863
Cc: mesa-stable at lists.freedesktop.org
---
src/gallium/drivers/r600/r600_state_common.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 028d800..d9174a5 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1245,12 +1245,6 @@ static bool r600_update_derived_state(struct r600_context *rctx)
}
}
- if (rctx->b.chip_class >= EVERGREEN) {
- evergreen_update_db_shader_control(rctx);
- } else {
- r600_update_db_shader_control(rctx);
- }
-
if (unlikely(!ps_dirty && rctx->ps_shader && rctx->rasterizer &&
((rctx->rasterizer->sprite_coord_enable != rctx->ps_shader->current->sprite_coord_enable) ||
(rctx->rasterizer->flatshade != rctx->ps_shader->current->flatshade)))) {
@@ -1264,6 +1258,12 @@ static bool r600_update_derived_state(struct r600_context *rctx)
update_shader_atom(ctx, &rctx->pixel_shader, rctx->ps_shader->current);
}
+ if (rctx->b.chip_class >= EVERGREEN) {
+ evergreen_update_db_shader_control(rctx);
+ } else {
+ r600_update_db_shader_control(rctx);
+ }
+
/* on R600 we stuff masks + txq info into one constant buffer */
/* on evergreen we only need a txq info one */
if (rctx->b.chip_class < EVERGREEN) {
--
1.9.1
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