1 files changed, 49 insertions, 0 deletions
diff --git a/gfx/layers/composite/PaintCounter.h b/gfx/layers/composite/PaintCounter.h
new file mode 100644
index 000000000..b5296939f
--- /dev/null
+++ b/gfx/layers/composite/PaintCounter.h
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_PaintCounter_h_
+#define mozilla_layers_PaintCounter_h_
+
+#include <map>                          // for std::map
+#include "mozilla/RefPtr.h"             // for already_AddRefed, RefCounted
+#include "mozilla/TimeStamp.h"          // for TimeStamp, TimeDuration
+#include "skia/include/core/SkCanvas.h"
+
+namespace mozilla {
+namespace layers {
+
+class Compositor;
+
+using namespace mozilla::gfx;
+using namespace mozilla::gl;
+
+// Keeps track and paints how long a full invalidation paint takes to rasterize
+// and composite.
+class PaintCounter {
+public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PaintCounter)
+
+  PaintCounter();
+  void Draw(Compositor* aCompositor, TimeDuration aPaintTime, TimeDuration aCompositeTime);
+  static IntRect GetPaintRect() { return PaintCounter::mRect; }
+
+private:
+  virtual ~PaintCounter();
+
+  SurfaceFormat mFormat;
+  sk_sp<SkCanvas> mCanvas;
+  IntSize mSize;
+  int mStride;
+
+  RefPtr<DataSourceSurface> mSurface;
+  RefPtr<DataTextureSource> mTextureSource;
+  RefPtr<TexturedEffect> mTexturedEffect;
+  static IntRect mRect;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // mozilla_layers_opengl_PaintCounter_h_