1 files changed, 47 insertions, 0 deletions
diff --git a/gfx/vr/VRDisplayPresentation.h b/gfx/vr/VRDisplayPresentation.h
new file mode 100644
index 0000000000..368048743f
--- /dev/null
+++ b/gfx/vr/VRDisplayPresentation.h
@@ -0,0 +1,47 @@
+/* -*- 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_VR_DISPLAY_PRESENTATION_H
+#define GFX_VR_DISPLAY_PRESENTATION_H
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/dom/VRDisplayBinding.h"
+
+namespace mozilla {
+namespace dom {
+class XRWebGLLayer;
+}
+namespace gfx {
+class VRDisplayClient;
+class VRLayerChild;
+
+class VRDisplayPresentation final {
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VRDisplayPresentation)
+
+ public:
+  VRDisplayPresentation(VRDisplayClient* aDisplayClient,
+                        const nsTArray<dom::VRLayer>& aLayers, uint32_t aGroup);
+  void UpdateLayers(const nsTArray<mozilla::dom::VRLayer>& aLayers);
+  void UpdateXRWebGLLayer(dom::XRWebGLLayer* aLayer);
+  void SubmitFrame();
+  void GetDOMLayers(nsTArray<dom::VRLayer>& result);
+  uint32_t GetGroup() const;
+
+ private:
+  ~VRDisplayPresentation();
+  void CreateLayers();
+  void DestroyLayers();
+
+  RefPtr<VRDisplayClient> mDisplayClient;
+  nsTArray<dom::VRLayer> mDOMLayers;
+  nsTArray<RefPtr<VRLayerChild>> mLayers;
+  uint32_t mGroup;
+};
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif /* GFX_VR_DISPLAY_PRESENTAITON_H */