import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

gfx/layers/client/GPUVideoTextureClient.h

@@ -0,0 +1,56 @@
+/* -*- 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_GFX_GPUVIDEOTEXTURECLIENT_H
+#define MOZILLA_GFX_GPUVIDEOTEXTURECLIENT_H
+
+#include "mozilla/layers/TextureClient.h"
+
+namespace mozilla {
+namespace gfx {
+class SourceSurface;
+}
+namespace dom {
+class VideoDecoderManagerChild;
+}
+namespace layers {
+
+class GPUVideoTextureData : public TextureData
+{
+public:
+  GPUVideoTextureData(dom::VideoDecoderManagerChild* aManager,
+                      const SurfaceDescriptorGPUVideo& aSD,
+                      const gfx::IntSize& aSize);
+  ~GPUVideoTextureData();
+
+  virtual void FillInfo(TextureData::Info& aInfo) const override;
+
+  virtual bool Lock(OpenMode) override { return true; };
+
+  virtual void Unlock() override {};
+
+  virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
+
+  virtual void Deallocate(LayersIPCChannel* aAllocator) override;
+
+  virtual void Forget(LayersIPCChannel* aAllocator) override;
+
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface();
+
+  virtual GPUVideoTextureData* AsGPUVideoTextureData() override
+  {
+    return this;
+  }
+
+protected:
+  RefPtr<dom::VideoDecoderManagerChild> mManager;
+  SurfaceDescriptorGPUVideo mSD;
+  gfx::IntSize mSize;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // MOZILLA_GFX_GPUVIDEOTEXTURECLIENT_H