Run CodecSrc DM.

Rather than making SkCodec an option instead of SkImageDecoder,
create a separate CodecSrc. This allows us to compare the two.

For both CodecSrc and ImageSrc, do not decode to a gpu backend.

BUG=skia:3475

Review URL: https://codereview.chromium.org/978823002

1 files changed, 12 insertions, 0 deletions

diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
index dcd169e322..364afe0e11 100644
--- a/dm/DMSrcSink.h
+++ b/dm/DMSrcSink.h
@@ -81,6 +81,18 @@ private:
     skiagm::GMRegistry::Factory fFactory;
 };
 
+class CodecSrc : public Src {
+public:
+    explicit CodecSrc(Path path);
+
+    Error draw(SkCanvas*) const SK_OVERRIDE;
+    SkISize size() const SK_OVERRIDE;
+    Name name() const SK_OVERRIDE;
+private:
+    Path fPath;
+};
+
+
 class ImageSrc : public Src {
 public:
     // divisor == 0 means decode the whole image