1 files changed, 122 insertions, 0 deletions
diff --git a/gfx/layers/D3D9SurfaceImage.h b/gfx/layers/D3D9SurfaceImage.h
new file mode 100644
index 0000000000..183d5bb585
--- /dev/null
+++ b/gfx/layers/D3D9SurfaceImage.h
@@ -0,0 +1,122 @@
+/* -*- 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_D3DSURFACEIMAGE_H
+#define GFX_D3DSURFACEIMAGE_H
+
+#include "mozilla/RefPtr.h"
+#include "ImageContainer.h"
+#include "d3d9.h"
+#include "mozilla/layers/TextureClientRecycleAllocator.h"
+
+namespace mozilla {
+namespace layers {
+
+class TextureClient;
+
+class D3D9RecycleAllocator : public TextureClientRecycleAllocator {
+ public:
+  D3D9RecycleAllocator(KnowsCompositor* aAllocator, IDirect3DDevice9* aDevice)
+      : TextureClientRecycleAllocator(aAllocator), mDevice(aDevice) {}
+
+  already_AddRefed<TextureClient> CreateOrRecycleClient(
+      gfx::SurfaceFormat aFormat, const gfx::IntSize& aSize);
+
+ protected:
+  already_AddRefed<TextureClient> Allocate(
+      gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
+      TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
+
+  RefPtr<IDirect3DDevice9> mDevice;
+};
+
+/**
+ * Wraps a D3D9 texture, shared with the compositor though DXGI.
+ * At the moment it is only used with D3D11 compositing, and the corresponding
+ * TextureHost is DXGITextureHostD3D11.
+ */
+class DXGID3D9TextureData : public TextureData {
+ public:
+  static DXGID3D9TextureData* Create(gfx::IntSize aSize,
+                                     gfx::SurfaceFormat aFormat,
+                                     TextureFlags aFlags,
+                                     IDirect3DDevice9* aDevice);
+
+  virtual ~DXGID3D9TextureData();
+
+  void FillInfo(TextureData::Info& aInfo) const override;
+
+  bool Lock(OpenMode) override { return true; }
+
+  void Unlock() override {}
+
+  bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
+
+  void Deallocate(LayersIPCChannel* aAllocator) override {}
+
+  IDirect3DDevice9* GetD3D9Device() { return mDevice; }
+  IDirect3DTexture9* GetD3D9Texture() { return mTexture; }
+  HANDLE GetShareHandle() const { return mHandle; }
+  already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
+
+  const D3DSURFACE_DESC& GetDesc() const { return mDesc; }
+
+  gfx::IntSize GetSize() const {
+    return gfx::IntSize(mDesc.Width, mDesc.Height);
+  }
+
+ protected:
+  DXGID3D9TextureData(gfx::SurfaceFormat aFormat, IDirect3DTexture9* aTexture,
+                      HANDLE aHandle, IDirect3DDevice9* aDevice);
+
+  RefPtr<IDirect3DDevice9> mDevice;
+  RefPtr<IDirect3DTexture9> mTexture;
+  gfx::SurfaceFormat mFormat;
+  HANDLE mHandle;
+  D3DSURFACE_DESC mDesc;
+};
+
+// Image class that wraps a IDirect3DSurface9. This class copies the image
+// passed into SetData(), so that it can be accessed from other D3D devices.
+// This class also manages the synchronization of the copy, to ensure the
+// resource is ready to use.
+class D3D9SurfaceImage : public Image {
+ public:
+  D3D9SurfaceImage();
+  virtual ~D3D9SurfaceImage();
+
+  HRESULT AllocateAndCopy(D3D9RecycleAllocator* aAllocator,
+                          IDirect3DSurface9* aSurface,
+                          const gfx::IntRect& aRegion);
+
+  // Returns the description of the shared surface.
+  gfx::IntSize GetSize() const override;
+
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
+
+  TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
+
+  already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
+
+  HANDLE GetShareHandle() const;
+
+  bool IsValid() const override { return mValid; }
+
+  void Invalidate() { mValid = false; }
+
+ private:
+  gfx::IntSize mSize;
+  RefPtr<TextureClient> mTextureClient;
+  RefPtr<IDirect3DTexture9> mTexture;
+  HANDLE mShareHandle;
+  D3DSURFACE_DESC mDesc;
+  bool mValid;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_D3DSURFACEIMAGE_H