1 files changed, 102 insertions, 0 deletions
diff --git a/gfx/layers/D3D11YCbCrImage.h b/gfx/layers/D3D11YCbCrImage.h
new file mode 100644
index 0000000000..0b4408ca37
--- /dev/null
+++ b/gfx/layers/D3D11YCbCrImage.h
@@ -0,0 +1,102 @@
+/* -*- 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_D3D11_YCBCR_IMAGE_H
+#define GFX_D3D11_YCBCR_IMAGE_H
+
+#include "d3d11.h"
+#include "mozilla/layers/TextureClientRecycleAllocator.h"
+#include "mozilla/Maybe.h"
+#include "ImageContainer.h"
+
+namespace mozilla {
+namespace gl {
+class GLBlitHelper;
+}
+namespace layers {
+
+class ImageContainer;
+class DXGIYCbCrTextureClient;
+class DXGIYCbCrTextureData;
+
+class MOZ_RAII DXGIYCbCrTextureAllocationHelper
+    : public ITextureClientAllocationHelper {
+ public:
+  DXGIYCbCrTextureAllocationHelper(const PlanarYCbCrData& aData,
+                                   TextureFlags aTextureFlags,
+                                   ID3D11Device* aDevice);
+
+  bool IsCompatible(TextureClient* aTextureClient) override;
+
+  already_AddRefed<TextureClient> Allocate(
+      KnowsCompositor* aAllocator) override;
+
+ protected:
+  const PlanarYCbCrData& mData;
+  RefPtr<ID3D11Device> mDevice;
+};
+
+class D3D11YCbCrRecycleAllocator : public TextureClientRecycleAllocator {
+ public:
+  explicit D3D11YCbCrRecycleAllocator(KnowsCompositor* aKnowsCompositor)
+      : TextureClientRecycleAllocator(aKnowsCompositor) {}
+
+ protected:
+  already_AddRefed<TextureClient> Allocate(
+      gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
+      TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
+};
+
+class D3D11YCbCrImage : public Image {
+  friend class gl::GLBlitHelper;
+
+ public:
+  D3D11YCbCrImage();
+  virtual ~D3D11YCbCrImage();
+
+  // Copies the surface into a sharable texture's surface, and initializes
+  // the image.
+  bool SetData(KnowsCompositor* aAllocator, ImageContainer* aContainer,
+               const PlanarYCbCrData& aData);
+
+  gfx::IntSize GetSize() const override;
+
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
+
+  nsresult BuildSurfaceDescriptorBuffer(
+      SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
+      const std::function<MemoryOrShmem(uint32_t)>& aAllocate) override;
+
+  TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
+
+  gfx::IntRect GetPictureRect() const override { return mPictureRect; }
+
+  gfx::IntSize GetYSize() const {
+    return {mPictureRect.XMost(), mPictureRect.YMost()};
+  }
+  gfx::IntSize GetCbCrSize() const {
+    return ChromaSize(GetYSize(), mChromaSubsampling);
+  }
+
+ private:
+  nsresult ReadIntoBuffer(
+      const std::function<nsresult(const PlanarYCbCrData&, const gfx::IntSize&,
+                                   gfx::SurfaceFormat)>& aCopy);
+
+  const DXGIYCbCrTextureData* GetData() const;
+
+  gfx::IntRect mPictureRect;
+  gfx::ColorDepth mColorDepth;
+  gfx::YUVColorSpace mColorSpace;
+  gfx::ColorRange mColorRange;
+  gfx::ChromaSubsampling mChromaSubsampling;
+  RefPtr<TextureClient> mTextureClient;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_D3D11_YCBCR_IMAGE_H