Test unpremul decodes

dm/DM.cpp

Index: dm/DM.cpp
diff --git a/dm/DM.cpp b/dm/DM.cpp
index e5a6e4d196d2cc5c990f551b01f7fc6dcc742939..2d381c821e98fa8187a98b9c027c2a4cbdf36803 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -311,6 +311,9 @@ static void push_android_codec_src(Path path, AndroidCodecSrc::Mode mode,
         case kPremul_SkAlphaType:
             folder.append("_premul");
             break;
+        case kUnpremul_SkAlphaType:
+            folder.append("_unpremul");
+            break;
         default:
             break;
     }
@@ -371,8 +374,7 @@ static void push_codec_srcs(Path path) {
 
     SkTArray<SkAlphaType> alphaModes;
     alphaModes.push_back(kPremul_SkAlphaType);
-    // FIXME: Currently we cannot draw unpremultiplied sources. skbug.com/3338 and skbug.com/3339
-    // alphaModes.push_back(kUnpremul_SkAlphaType);
+    alphaModes.push_back(kUnpremul_SkAlphaType);

[msarett, 2016/02/03 20:06:36]

If we feel that this is too much, I'd be fine with only testing in some codec
modes or scales.

But obviously this gives us the best coverage.

     if (codec->getInfo().alphaType() == kOpaque_SkAlphaType) {
         alphaModes.push_back(kOpaque_SkAlphaType);
     }