tor-browser

The Tor Browser
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NativeLayerRemoteMac.h (4044B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #ifndef mozilla_layers_NativeLayerRemoteMac_h
      7 #define mozilla_layers_NativeLayerRemoteMac_h
      8 
      9 #include <IOSurface/IOSurfaceRef.h>
     10 
     11 #include "mozilla/layers/NativeLayer.h"
     12 #include "mozilla/layers/NativeLayerCommandQueue.h"
     13 #include "mozilla/layers/NativeLayerMacSurfaceHandler.h"
     14 #include "NativeLayerCA.h"
     15 #include "nsRegion.h"
     16 
     17 namespace mozilla {
     18 namespace layers {
     19 
     20 class SurfacePoolHandleCA;
     21 
     22 // NativeLayerRemoteMac is a macOS-specific NativeLayer offered up by
     23 // NativeLayerRemoteMacChild, which can be rendered into and then sent to
     24 // the NativeLayerRemoteMacParent.
     25 class NativeLayerRemoteMac final : public NativeLayer {
     26  friend class NativeLayerRootRemoteMacChild;
     27 
     28 public:
     29  // Overridden methods
     30  NativeLayerRemoteMac* AsNativeLayerRemoteMac() override { return this; }
     31 
     32  gfx::IntSize GetSize() override;
     33  void SetPosition(const gfx::IntPoint& aPosition) override;
     34  gfx::IntPoint GetPosition() override;
     35  void SetTransform(const gfx::Matrix4x4& aTransform) override;
     36  gfx::Matrix4x4 GetTransform() override;
     37  gfx::IntRect GetRect() override;
     38  void SetSamplingFilter(gfx::SamplingFilter aSamplingFilter) override;
     39  gfx::SamplingFilter SamplingFilter() override;
     40  RefPtr<gfx::DrawTarget> NextSurfaceAsDrawTarget(
     41      const gfx::IntRect& aDisplayRect, const gfx::IntRegion& aUpdateRegion,
     42      gfx::BackendType aBackendType) override;
     43  Maybe<GLuint> NextSurfaceAsFramebuffer(const gfx::IntRect& aDisplayRect,
     44                                         const gfx::IntRegion& aUpdateRegion,
     45                                         bool aNeedsDepth) override;
     46 
     47  void NotifySurfaceReady() override;
     48  void DiscardBackbuffers() override;
     49 
     50  bool IsOpaque() override;
     51  bool IsDRM() { return mIsDRM; }
     52  bool IsHDR() { return mIsHDR; }
     53  void SetClipRect(const Maybe<gfx::IntRect>& aClipRect) override;
     54  Maybe<gfx::IntRect> ClipRect() override;
     55  void SetRoundedClipRect(
     56      const Maybe<gfx::RoundedRect>& aRoundedClipRect) override;
     57  Maybe<gfx::RoundedRect> RoundedClipRect() override;
     58  gfx::IntRect CurrentSurfaceDisplayRect() override;
     59  void SetSurfaceIsFlipped(bool aIsFlipped) override;
     60  bool SurfaceIsFlipped() override;
     61 
     62  void AttachExternalImage(wr::RenderTextureHost* aExternalImage) override;
     63  GpuFence* GetGpuFence() override;
     64 
     65  Maybe<SurfaceWithInvalidRegion> FrontSurface();
     66 
     67  NativeLayerRemoteMac(const gfx::IntSize& aSize, bool aIsOpaque,
     68                       SurfacePoolHandleCA* aSurfacePoolHandle);
     69  explicit NativeLayerRemoteMac(bool aIsOpaque);
     70  explicit NativeLayerRemoteMac(gfx::DeviceColor aColor);
     71  ~NativeLayerRemoteMac() override;
     72 
     73  // If dirty, add a CommandLayerInfo to the queue. Clear dirty flag.
     74  void FlushDirtyLayerInfoToCommandQueue();
     75 
     76  void UpdateSnapshotLayer();
     77  CALayer* CALayerForSnapshot();
     78 
     79 protected:
     80  NativeLayerCARepresentation mSnapshotLayer;
     81  Maybe<NativeLayerMacSurfaceHandler> mSurfaceHandler;
     82  RefPtr<NativeLayerCommandQueue> mCommandQueue;
     83  const Maybe<gfx::DeviceColor> mColor;
     84  const bool mIsOpaque = false;
     85 
     86  bool mDirtyLayerInfo = true;
     87  // mDirtyLayerInfo is set when any of these change:
     88  gfx::IntPoint mPosition;
     89  gfx::Matrix4x4 mTransform;
     90  gfx::IntRect mDisplayRect;
     91  Maybe<gfx::IntRect> mClipRect;
     92  Maybe<gfx::RoundedRect> mRoundedClipRect;
     93  gfx::SamplingFilter mSamplingFilter = gfx::SamplingFilter::POINT;
     94  float mBackingScale = 1.0f;
     95  bool mSurfaceIsFlipped = false;
     96 
     97  bool mDirtyChangedSurface = true;
     98  // mDirtyChangedSurface is set when any of these change, or when the
     99  // value returned by FrontSurface() changes:
    100  CFTypeRefPtr<IOSurfaceRef> mExternalImage;
    101  bool mIsDRM = false;
    102  bool mIsHDR = false;
    103  gfx::IntSize mSize;
    104 };
    105 
    106 }  // namespace layers
    107 }  // namespace mozilla
    108 
    109 #endif  // mozilla_layers_NativeLayerRemoteMac_h