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broadcom/vc5: Disable early Z test when the FS writes Z.

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Fixes piglit early-z.
This commit is contained in:
Eric Anholt 2017-11-02 18:45:07 -07:00
parent eeb9e80272
commit 6079f7c3c3
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/vc5/vc5_emit.c
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@ -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 {