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authorEric Anholt <[email protected]>2017-11-02 18:45:07 -0700
committerEric Anholt <[email protected]>2017-11-07 09:40:25 -0800
commit6079f7c3c3ce30277ce671b9679186f243a5e570 (patch)
treed7a0c092f26ad6ed719f6623b05457696b3bb822 /src
parenteeb9e80272cb0dd795c4197962f2af3398747dda (diff)
broadcom/vc5: Disable early Z test when the FS writes Z.
Fixes piglit early-z.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/vc5/vc5_emit.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc5/vc5_emit.c b/src/gallium/drivers/vc5/vc5_emit.c
index c0b5d541978..094d5482954 100644
--- a/src/gallium/drivers/vc5/vc5_emit.c
+++ b/src/gallium/drivers/vc5/vc5_emit.c
@@ -287,7 +287,8 @@ vc5_emit_state(struct pipe_context *pctx)
config.z_updates_enable =
vc5->zsa->base.depth.writemask;
config.early_z_enable =
- vc5->zsa->early_z_enable;
+ (vc5->zsa->early_z_enable &&
+ !vc5->prog.fs->prog_data.fs->writes_z);
config.depth_test_function =
vc5->zsa->base.depth.func;
} else {