Mesa (main): panfrost: Simplify blend_factor_constant_mask

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Module: Mesa
Branch: main
Commit: 95187c03f1f4db910dba0bb79cb80d2bb9823472
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=95187c03f1f4db910dba0bb79cb80d2bb9823472

Author: Alyssa Rosenzweig <alyssa at collabora.com>
Date:   Fri Jul 30 18:19:46 2021 -0400

panfrost: Simplify blend_factor_constant_mask

Signed-off-by: Alyssa Rosenzweig <alyssa at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12152>

---

 src/panfrost/lib/pan_blend.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/panfrost/lib/pan_blend.c b/src/panfrost/lib/pan_blend.c
index c2b7d99f5ba..38d3ab39d4c 100644
--- a/src/panfrost/lib/pan_blend.c
+++ b/src/panfrost/lib/pan_blend.c
@@ -72,14 +72,12 @@ can_fixed_function_equation(enum blend_func blend_func,
 static unsigned
 blend_factor_constant_mask(enum blend_factor factor)
 {
-        unsigned mask = 0;
-
         if (factor == BLEND_FACTOR_CONSTANT_COLOR)
-                mask |= 0b0111; /* RGB */
+                return 0b0111; /* RGB */
         else if (factor == BLEND_FACTOR_CONSTANT_ALPHA)
-                mask |= 0b1000; /* A */
-
-        return mask;
+                return 0b1000; /* A */
+        else
+                return 0b0000; /* - */
 }
 
 unsigned