commit 79c9f9168919b0fbb26f8ecd5704875dbc6a539b
author Derek Sollenberger <djsollen@google.com> Mon Aug 18 15:54:13 2014 -0400
committer Derek Sollenberger <djsollen@google.com> Mon Aug 18 15:54:13 2014 -0400
tree 4cdc23263a2b5c73ef3087343ab29c4c5806f602
parent 95d9ad0f79c900db9bca1745100f14d0ec9cc133

Remove invalid premul step from HWUI's matrix color filter.

bug: 16186699
Change-Id: Ia0b828e76ce4831ee9e3b4f54c697e6017f1604d

libs/hwui/ProgramCache.cpp

diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp
index c802b18..c38f136 100644
--- a/libs/hwui/ProgramCache.cpp
+++ b/libs/hwui/ProgramCache.cpp
@@ -328,8 +328,7 @@
         "",
         // Matrix
         "    fragColor *= colorMatrix;\n"
-        "    fragColor += colorMatrixVector;\n"
-        "    fragColor.rgb *= fragColor.a;\n",
+        "    fragColor += colorMatrixVector;\n",
         // PorterDuff
         "    fragColor = blendColors(colorBlend, fragColor);\n"
 };