DM test for YUV

dm/DM.cpp

Index: dm/DM.cpp
diff --git a/dm/DM.cpp b/dm/DM.cpp
index c7e0934008f3b5a8b2d8dd982976d169b1c923e0..990e92c41c823531a3d1f9609e448177d51ed8c5 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -240,6 +240,9 @@ static void push_codec_src(Path path, CodecSrc::Mode mode, CodecSrc::DstColorTyp
         case CodecSrc::kSubset_Mode:
             folder.append("codec_subset");
             break;
+        case CodecSrc::kYUV_Mode:
+            folder.append("yuv");
+            break;
     }
 
     switch (dstColorType) {
@@ -311,7 +314,7 @@ static void push_codec_srcs(Path path) {
     const float nativeScales[] = { 0.125f, 0.25f, 0.375f, 0.5f, 0.625f, 0.750f, 0.875f, 1.0f };
 
     const CodecSrc::Mode nativeModes[] = { CodecSrc::kCodec_Mode, CodecSrc::kScanline_Mode,
-            CodecSrc::kStripe_Mode, CodecSrc::kSubset_Mode };
+            CodecSrc::kStripe_Mode, CodecSrc::kSubset_Mode, CodecSrc::kYUV_Mode };
 
     CodecSrc::DstColorType colorTypes[3];
     uint32_t numColorTypes;