1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/layers/TextureWrapperImage.h b/gfx/layers/TextureWrapperImage.h
new file mode 100644
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+++ b/gfx/layers/TextureWrapperImage.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 GFX_LAYERS_TEXTUREWRAPPINGIMAGE_H_
+#define GFX_LAYERS_TEXTUREWRAPPINGIMAGE_H_
+
+#include "mozilla/RefPtr.h"
+#include "ImageContainer.h"
+#include "mozilla/layers/TextureClient.h"
+
+namespace mozilla {
+namespace layers {
+
+// Wraps a TextureClient into an Image. This may only be used on the main
+// thread, and only with TextureClients that support BorrowDrawTarget().
+class TextureWrapperImage final : public Image {
+ public:
+  TextureWrapperImage(TextureClient* aClient, const gfx::IntRect& aPictureRect);
+  virtual ~TextureWrapperImage();
+
+  gfx::IntSize GetSize() const override;
+  gfx::IntRect GetPictureRect() const override;
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
+  TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
+  void OnPrepareForwardToHost() override;
+  void OnAbandonForwardToHost() override;
+
+ private:
+  gfx::IntRect mPictureRect;
+  RefPtr<TextureClient> mTextureClient;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_LAYERS_TEXTUREWRAPPINGIMAGE_H_