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Diffstat (limited to 'gfx/webrender_bindings/RenderTextureHostWrapper.h')
-rw-r--r-- | gfx/webrender_bindings/RenderTextureHostWrapper.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/gfx/webrender_bindings/RenderTextureHostWrapper.h b/gfx/webrender_bindings/RenderTextureHostWrapper.h new file mode 100644 index 0000000000..b08aaf7c19 --- /dev/null +++ b/gfx/webrender_bindings/RenderTextureHostWrapper.h @@ -0,0 +1,88 @@ +/* -*- 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 |