tor-browser

The Tor Browser
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TextureRecorded.h (2604B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_layers_TextureRecorded_h
      8 #define mozilla_layers_TextureRecorded_h
      9 
     10 #include "TextureClient.h"
     11 #include "mozilla/layers/CanvasChild.h"
     12 #include "mozilla/layers/LayersTypes.h"
     13 
     14 namespace mozilla {
     15 namespace layers {
     16 
     17 class RecordedTextureData final : public TextureData {
     18 public:
     19  RecordedTextureData(already_AddRefed<CanvasChild> aCanvasChild,
     20                      gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
     21                      TextureType aTextureType,
     22                      TextureType aWebglTextureType = TextureType::Unknown);
     23 
     24  void FillInfo(TextureData::Info& aInfo) const final;
     25 
     26  void InvalidateContents() final;
     27 
     28  bool Lock(OpenMode aMode) final;
     29 
     30  void Unlock() final;
     31 
     32  already_AddRefed<gfx::DrawTarget> BorrowDrawTarget() final;
     33 
     34  void EndDraw() final;
     35 
     36  void ReturnDrawTarget(already_AddRefed<gfx::DrawTarget> aDT) final;
     37 
     38  already_AddRefed<gfx::SourceSurface> BorrowSnapshot() final;
     39 
     40  void ReturnSnapshot(already_AddRefed<gfx::SourceSurface> aSnapshot) final;
     41 
     42  void Deallocate(LayersIPCChannel* aAllocator) final;
     43 
     44  bool Serialize(SurfaceDescriptor& aDescriptor) final;
     45 
     46  void OnForwardedToHost() final;
     47 
     48  TextureFlags GetTextureFlags() const final;
     49 
     50  bool RequiresRefresh() const final;
     51 
     52  already_AddRefed<FwdTransactionTracker> UseCompositableForwarder(
     53      CompositableForwarder* aForwarder) final;
     54 
     55  RecordedTextureData* AsRecordedTextureData() final { return this; }
     56 
     57  const RemoteTextureOwnerId mRemoteTextureOwnerId;
     58 
     59 protected:
     60  friend class gfx::DrawTargetRecording;
     61 
     62  void DrawTargetWillChange();
     63 
     64 private:
     65  DISALLOW_COPY_AND_ASSIGN(RecordedTextureData);
     66 
     67  ~RecordedTextureData() override;
     68 
     69  void DetachSnapshotWrapper(bool aInvalidate = false, bool aRelease = true);
     70 
     71  RefPtr<CanvasChild> mCanvasChild;
     72  gfx::IntSize mSize;
     73  gfx::SurfaceFormat mFormat;
     74  RefPtr<gfx::DrawTargetRecording> mDT;
     75  RefPtr<gfx::SourceSurface> mSnapshot;
     76  RefPtr<gfx::SourceSurface> mSnapshotWrapper;
     77  OpenMode mLockedMode;
     78  RemoteTextureId mLastRemoteTextureId;
     79  RefPtr<layers::FwdTransactionTracker> mFwdTransactionTracker;
     80  bool mUsedRemoteTexture = false;
     81  bool mInvalidContents = true;
     82  bool mInited = false;
     83 };
     84 
     85 }  // namespace layers
     86 }  // namespace mozilla
     87 
     88 #endif  // mozilla_layers_TextureRecorded_h