зеркало из https://github.com/mozilla/gecko-dev.git
127 строки
4.3 KiB
C++
127 строки
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_RemoteTextureHostWrapper_H
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#define MOZILLA_GFX_RemoteTextureHostWrapper_H
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#include "mozilla/layers/TextureHost.h"
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#include "mozilla/Monitor.h"
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namespace mozilla::layers {
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// This class wraps TextureHost of remote texture.
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// In sync mode, mRemoteTextureForDisplayList holds TextureHost of mTextureId.
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// In async mode, it could be previous remote texture's TextureHost that is
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// compatible to the mTextureId's TextureHost.
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class RemoteTextureHostWrapper : public TextureHost {
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public:
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static RefPtr<TextureHost> Create(const RemoteTextureId aTextureId,
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const RemoteTextureOwnerId aOwnerId,
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const base::ProcessId aForPid,
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const gfx::IntSize aSize,
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const TextureFlags aFlags);
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void DeallocateDeviceData() override {}
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gfx::SurfaceFormat GetFormat() const override;
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already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
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return nullptr;
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}
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gfx::YUVColorSpace GetYUVColorSpace() const override;
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gfx::ColorDepth GetColorDepth() const override;
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gfx::ColorRange GetColorRange() const override;
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gfx::IntSize GetSize() const override;
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bool IsValid() override;
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#ifdef MOZ_LAYERS_HAVE_LOG
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const char* Name() override { return "RemoteTextureHostWrapper"; }
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#endif
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void CreateRenderTexture(
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const wr::ExternalImageId& aExternalImageId) override;
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void MaybeDestroyRenderTexture() override;
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uint32_t NumSubTextures() override;
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void PushResourceUpdates(wr::TransactionBuilder& aResources,
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ResourceUpdateOp aOp,
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const Range<wr::ImageKey>& aImageKeys,
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const wr::ExternalImageId& aExtID) override;
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void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
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const wr::LayoutRect& aBounds,
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const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
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const Range<wr::ImageKey>& aImageKeys,
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PushDisplayItemFlagSet aFlags) override;
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bool SupportsExternalCompositing(WebRenderBackend aBackend) override;
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void UnbindTextureSource() override;
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void NotifyNotUsed() override;
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RemoteTextureHostWrapper* AsRemoteTextureHostWrapper() override {
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return this;
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}
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TextureHostType GetTextureHostType() override;
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bool IsWrappingSurfaceTextureHost() override;
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bool NeedsDeferredDeletion() const override;
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AndroidHardwareBuffer* GetAndroidHardwareBuffer() const override;
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bool CheckIsReadyForRendering();
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bool IsReadyForRendering();
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void ApplyTextureFlagsToRemoteTexture();
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const RemoteTextureId mTextureId;
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const RemoteTextureOwnerId mOwnerId;
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const base::ProcessId mForPid;
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const gfx::IntSize mSize;
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protected:
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RemoteTextureHostWrapper(const RemoteTextureId aTextureId,
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const RemoteTextureOwnerId aOwnerId,
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const base::ProcessId aForPid,
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const gfx::IntSize aSize, const TextureFlags aFlags);
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virtual ~RemoteTextureHostWrapper();
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// Called only by RemoteTextureMap
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TextureHost* GetRemoteTextureHostForDisplayList(
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const MonitorAutoLock& aProofOfLock);
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// Called only by RemoteTextureMap
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void SetRemoteTextureHostForDisplayList(const MonitorAutoLock& aProofOfLock,
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TextureHost* aTextureHost,
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bool aIsSyncMode);
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void ClearRemoteTextureHostForDisplayList(
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const MonitorAutoLock& aProofOfLock);
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// Updated by RemoteTextureMap
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//
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// Hold compositable ref of remote texture's TextureHost that is used for
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// building WebRender display list. In sync mode, it is TextureHost of
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// mTextureId. In async mode, it could be previous TextureHost that is
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// compatible to the mTextureId's TextureHost.
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CompositableTextureHostRef mRemoteTextureForDisplayList;
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bool mIsSyncMode = true;
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friend class RemoteTextureMap;
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};
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} // namespace mozilla::layers
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#endif // MOZILLA_GFX_RemoteTextureHostWrapper_H
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