add ability to skip 565 test in gm (until I can fix an assert in debug build)

git-svn-id: http://skia.googlecode.com/svn/trunk@5879 2bbb7eff-a529-9590-31e7-b0007b416f81

gm/gm.h

@@ -34,6 +34,7 @@ namespace skiagm {
             kSkipPicture_Flag   = 1 << 1,
             kSkipPipe_Flag      = 1 << 2,
             kSkipTiled_Flag     = 1 << 3,
+            kSkip565_Flag       = 1 << 4,
         };
 
         void draw(SkCanvas*);

gm/gmmain.cpp

@@ -1045,6 +1045,11 @@ int tool_main(int argc, char** argv) {
             {
                 continue;
             }
+            if ((gmFlags & GM::kSkip565_Flag) &&
+                (kRaster_Backend == config.fBackend) &&
+                (SkBitmap::kRGB_565_Config == config.fConfig)) {
+                continue;
+            }
 
             // Now we know that we want to run this test and record its
             // success or failure.

gm/shadertext2.cpp

@@ -204,6 +204,11 @@ protected:
         }
     }
 
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        // disable 565 for now, til mike fixes the debug assert
+        return this->INHERITED::onGetFlags() | kSkip565_Flag;
+    }
+
 private:
     typedef GM INHERITED;
 };