/* -*- 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; 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; } 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