Add R11 KTX GM

gm/etc1bitmap.cpp

Index: gm/etc1bitmap.cpp
diff --git a/gm/etc1bitmap.cpp b/gm/etc1bitmap.cpp
index 2241c848c3ee990aa9bf2658d0364fcd61e14ccd..fcf521a1803fec084c3a9ee68eba507bccee2f8b 100644
--- a/gm/etc1bitmap.cpp
+++ b/gm/etc1bitmap.cpp
@@ -145,6 +145,20 @@ private:
     typedef ETC1BitmapGM INHERITED;
 };
 
+// This class specializes ETC1BitmapGM to load the mandrill_128.r11.ktx file.
+class ETC1Bitmap_R11_KTX_GM : public ETC1BitmapGM {
+public:
+    ETC1Bitmap_R11_KTX_GM() : ETC1BitmapGM() { }
+    virtual ~ETC1Bitmap_R11_KTX_GM() { }
+
+protected:
+
+    virtual SkString fileExtension() const SK_OVERRIDE { return SkString("r11.ktx"); }
+
+private:
+    typedef ETC1BitmapGM INHERITED;
+};
+
 #ifndef SK_IGNORE_ETC1_SUPPORT
 /**
  *  Test decoding an image from a PKM file and then
@@ -211,6 +225,7 @@ private:
 
 DEF_GM( return SkNEW(skiagm::ETC1Bitmap_PKM_GM); )
 DEF_GM( return SkNEW(skiagm::ETC1Bitmap_KTX_GM); )
+DEF_GM( return SkNEW(skiagm::ETC1Bitmap_R11_KTX_GM); )
 
 #ifndef SK_IGNORE_ETC1_SUPPORT
 DEF_GM( return SkNEW(skiagm::ETC1Bitmap_NPOT_GM); )