From: Eric Anholt <eric@anholt.net>
Date: Wed, 1 Nov 2017 20:56:57 +0000 (-0700)
Subject: broadcom/vc5: Don't emit stencil config if not doing stencil test.
X-Git-Tag: android-x86-8.1-r1~8313
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=386e9362a5711db9344229e4e05953d95a33d114;p=android-x86%2Fexternal-mesa.git

broadcom/vc5: Don't emit stencil config if not doing stencil test.

As with blending, we'll have the bit flagged again when it gets reenabled
in CONFIGURATION_BITS, so there's no need to emit test state if we're not
testing.
---

diff --git a/src/gallium/drivers/vc5/vc5_emit.c b/src/gallium/drivers/vc5/vc5_emit.c
index 51709176a2c..0c2cde70880 100644
--- a/src/gallium/drivers/vc5/vc5_emit.c
+++ b/src/gallium/drivers/vc5/vc5_emit.c
@@ -385,7 +385,8 @@ vc5_emit_state(struct pipe_context *pctx)
                 }
         }
 
-        if (vc5->dirty & (VC5_DIRTY_ZSA | VC5_DIRTY_STENCIL_REF)) {
+        if (vc5->dirty & (VC5_DIRTY_ZSA | VC5_DIRTY_STENCIL_REF) &&
+            vc5->zsa->base.stencil[0].enabled) {
                 struct pipe_stencil_state *front = &vc5->zsa->base.stencil[0];
                 struct pipe_stencil_state *back = &vc5->zsa->base.stencil[1];