1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/gl/SharedSurfaceD3D11Interop.h b/gfx/gl/SharedSurfaceD3D11Interop.h
new file mode 100644
index 0000000000..960850c27e
--- /dev/null
+++ b/gfx/gl/SharedSurfaceD3D11Interop.h
@@ -0,0 +1,84 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
+/* 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 SHARED_SURFACE_D3D11_INTEROP_H_
+#define SHARED_SURFACE_D3D11_INTEROP_H_
+
+#include <d3d11.h>
+#include <windows.h>
+#include "SharedSurface.h"
+
+namespace mozilla {
+
+namespace gfx {
+class FileHandleWrapper;
+}  // namespace gfx
+
+namespace gl {
+
+class DXInterop2Device;
+class GLContext;
+class WGLLibrary;
+
+class SharedSurface_D3D11Interop final : public SharedSurface {
+ public:
+  struct Data final {
+    const RefPtr<DXInterop2Device> interop;
+    HANDLE lockHandle;
+    RefPtr<ID3D11Texture2D> texD3D;
+    RefPtr<gfx::FileHandleWrapper> dxgiHandle;
+    UniquePtr<Renderbuffer> interopRb;
+    UniquePtr<MozFramebuffer> interopFbIfNeedsIndirect;
+  };
+  const Data mData;
+  const bool mNeedsFinish;
+
+ private:
+  bool mLockedForGL = false;
+
+ public:
+  static UniquePtr<SharedSurface_D3D11Interop> Create(const SharedSurfaceDesc&,
+                                                      DXInterop2Device*);
+
+ private:
+  SharedSurface_D3D11Interop(const SharedSurfaceDesc&,
+                             UniquePtr<MozFramebuffer>&& fbForDrawing, Data&&);
+
+ public:
+  virtual ~SharedSurface_D3D11Interop();
+
+  void LockProdImpl() override {}
+  void UnlockProdImpl() override {}
+
+  void ProducerAcquireImpl() override;
+  void ProducerReleaseImpl() override;
+
+  Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
+};
+
+class SurfaceFactory_D3D11Interop : public SurfaceFactory {
+ public:
+  const RefPtr<DXInterop2Device> mInterop;
+
+  static UniquePtr<SurfaceFactory_D3D11Interop> Create(GLContext& gl);
+
+ protected:
+  SurfaceFactory_D3D11Interop(const PartialSharedSurfaceDesc&,
+                              DXInterop2Device* interop);
+
+ public:
+  virtual ~SurfaceFactory_D3D11Interop();
+
+ protected:
+  UniquePtr<SharedSurface> CreateSharedImpl(
+      const SharedSurfaceDesc& desc) override {
+    return SharedSurface_D3D11Interop::Create(desc, mInterop);
+  }
+};
+
+} /* namespace gl */
+} /* namespace mozilla */
+
+#endif /* SHARED_SURFACE_D3D11_INTEROP_H_ */