1 files changed, 69 insertions, 0 deletions
diff --git a/gfx/gl/SharedSurfaceANGLE.h b/gfx/gl/SharedSurfaceANGLE.h
new file mode 100644
index 0000000000..dc9697030a
--- /dev/null
+++ b/gfx/gl/SharedSurfaceANGLE.h
@@ -0,0 +1,69 @@
+/* -*- 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_ANGLE_H_
+#define SHARED_SURFACE_ANGLE_H_
+
+#include <windows.h>
+#include <memory>
+#include "SharedSurface.h"
+
+struct IDXGIKeyedMutex;
+struct ID3D11Texture2D;
+
+namespace mozilla {
+namespace gl {
+
+class GLContext;
+class EglDisplay;
+
+class SharedSurface_ANGLEShareHandle final : public SharedSurface {
+ public:
+  const std::weak_ptr<EglDisplay> mEGL;
+  const EGLSurface mPBuffer;
+  const HANDLE mShareHandle;
+  const RefPtr<IDXGIKeyedMutex> mKeyedMutex;
+
+  static UniquePtr<SharedSurface_ANGLEShareHandle> Create(
+      const SharedSurfaceDesc&);
+
+ private:
+  SharedSurface_ANGLEShareHandle(const SharedSurfaceDesc&,
+                                 const std::weak_ptr<EglDisplay>& egl,
+                                 EGLSurface pbuffer, HANDLE shareHandle,
+                                 const RefPtr<IDXGIKeyedMutex>& keyedMutex);
+
+ public:
+  virtual ~SharedSurface_ANGLEShareHandle();
+
+  virtual void LockProdImpl() override;
+  virtual void UnlockProdImpl() override;
+
+  virtual void ProducerAcquireImpl() override;
+  virtual void ProducerReleaseImpl() override;
+  virtual void ProducerReadAcquireImpl() override;
+  virtual void ProducerReadReleaseImpl() override;
+
+  Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
+};
+
+class SurfaceFactory_ANGLEShareHandle final : public SurfaceFactory {
+ public:
+  static UniquePtr<SurfaceFactory_ANGLEShareHandle> Create(GLContext& gl);
+
+ private:
+  explicit SurfaceFactory_ANGLEShareHandle(const PartialSharedSurfaceDesc& desc)
+      : SurfaceFactory(desc) {}
+
+  virtual UniquePtr<SharedSurface> CreateSharedImpl(
+      const SharedSurfaceDesc& desc) override {
+    return SharedSurface_ANGLEShareHandle::Create(desc);
+  }
+};
+
+}  // namespace gl
+} /* namespace mozilla */
+
+#endif /* SHARED_SURFACE_ANGLE_H_ */