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+/* -*- 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 MOZILLA_GFX_RENDERTEXTUREHOSTWRAPPER_H
+#define MOZILLA_GFX_RENDERTEXTUREHOSTWRAPPER_H
+
+#include "RenderTextureHostSWGL.h"
+
+namespace mozilla {
+
+namespace wr {
+
+/**
+ * RenderTextureHost of GPUVideoTextureHost.
+ *
+ * GPUVideoTextureHost wraps TextureHost. This class wraps RenderTextureHost of
+ * the wrapped TextureHost. Lifetime of the wrapped TextureHost is usually
+ * longer than GPUVideoTextureHost and the wrapped TextureHost is used by
+ * multiple GPUVideoTextureHosts. This class is used to reduce recreations of
+ * the wrappded RenderTextureHost. Initializations of some
+ * RenderTextureHosts(RenderDXGITextureHost and
+ * RenderDXGIYCbCrTextureHost) have overhead.
+ */
+class RenderTextureHostWrapper final : public RenderTextureHostSWGL {
+ public:
+ explicit RenderTextureHostWrapper(ExternalImageId aExternalImageId);
+ RenderTextureHostWrapper(const layers::RemoteTextureId aTextureId,
+ const layers::RemoteTextureOwnerId aOwnerId,
+ const base::ProcessId aForPid);
+
+ // RenderTextureHost
+ wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
+ void Unlock() override;
+ void ClearCachedResources() override;
+ void PrepareForUse() override;
+ void NotifyForUse() override;
+ void NotifyNotUsed() override;
+ bool SyncObjectNeeded() override;
+ RenderMacIOSurfaceTextureHost* AsRenderMacIOSurfaceTextureHost() override;
+ RenderDXGITextureHost* AsRenderDXGITextureHost() override;
+ RenderDXGIYCbCrTextureHost* AsRenderDXGIYCbCrTextureHost() override;
+ RenderDcompSurfaceTextureHost* AsRenderDcompSurfaceTextureHost() override;
+ RenderAndroidHardwareBufferTextureHost*
+ AsRenderAndroidHardwareBufferTextureHost() override;
+ RenderAndroidSurfaceTextureHost* AsRenderAndroidSurfaceTextureHost() override;
+ RenderTextureHostSWGL* AsRenderTextureHostSWGL() override;
+ bool IsWrappingAsyncRemoteTexture() override;
+
+ // RenderTextureHostSWGL
+ size_t GetPlaneCount() const override;
+ gfx::SurfaceFormat GetFormat() const override;
+ gfx::ColorDepth GetColorDepth() const override;
+ gfx::YUVRangedColorSpace GetYUVColorSpace() const override;
+ bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
+ PlaneInfo& aPlaneInfo) override;
+ void UnmapPlanes() override;
+
+ // This is just a wrapper, so doesn't need to report the
+ // size of the wrapped object (which reports itself).
+ size_t Bytes() override { return 0; }
+
+ protected:
+ // RenderTextureHost
+ std::pair<gfx::Point, gfx::Point> GetUvCoords(
+ gfx::IntSize aTextureSize) const override;
+
+ private:
+ ~RenderTextureHostWrapper() override;
+
+ void EnsureTextureHost() const;
+ void EnsureRemoteTexture() const;
+ RenderTextureHostSWGL* EnsureRenderTextureHostSWGL() const;
+
+ ExternalImageId mExternalImageId;
+ mutable RefPtr<RenderTextureHost> mTextureHost;
+
+ Maybe<layers::RemoteTextureId> mTextureId;
+ Maybe<layers::RemoteTextureOwnerId> mOwnerId;
+ Maybe<base::ProcessId> mForPid;
+};
+
+} // namespace wr
+} // namespace mozilla
+
+#endif // MOZILLA_GFX_RENDERTEXTUREHOSTWRAPPER_H