gfx/webrender_bindings/RenderCompositorANGLE.h

   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 http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef MOZILLA_GFX_RENDERCOMPOSITOR_ANGLE_H
   8 #define MOZILLA_GFX_RENDERCOMPOSITOR_ANGLE_H
   9
  10 #include <queue>
  11
  12 #include "GLTypes.h"
  13 #include "mozilla/Maybe.h"
  14 #include "mozilla/webrender/RenderCompositor.h"
  15 #include "mozilla/webrender/RenderThread.h"
  16
  17 struct ID3D11DeviceContext;
  18 struct ID3D11Device;
  19 struct ID3D11Query;
  20 struct IDXGIFactory2;
  21 struct IDXGISwapChain;
  22 struct IDXGISwapChain1;
  23
  24 namespace mozilla {
  25 namespace gl {
  26 class GLLibraryEGL;
  27 }  // namespace gl
  28
  29 namespace wr {
  30
  31 class DCLayerTree;
  32
  33 class RenderCompositorANGLE : public RenderCompositor {
  34  public:
  35   static UniquePtr<RenderCompositor> Create(
  36       RefPtr<widget::CompositorWidget>&& aWidget, nsACString& aError);
  37
  38   explicit RenderCompositorANGLE(RefPtr<widget::CompositorWidget>&& aWidget);
  39   virtual ~RenderCompositorANGLE();
  40   bool Initialize(nsACString& aError);
  41
  42   bool BeginFrame() override;
  43   RenderedFrameId EndFrame(const nsTArray<DeviceIntRect>& aDirtyRects) final;
  44   bool WaitForGPU() override;
  45   RenderedFrameId GetLastCompletedFrameId() final;
  46   RenderedFrameId UpdateFrameId() final;
  47   void Pause() override;
  48   bool Resume() override;
  49   void Update() override;
  50
  51   gl::GLContext* gl() const override {
  52     return RenderThread::Get()->SingletonGL();
  53   }
  54
  55   bool MakeCurrent() override;
  56
  57   bool UseANGLE() const override { return true; }
  58
  59   bool UseDComp() const override { return !!mDCLayerTree; }
  60
  61   bool UseTripleBuffering() const override { return mUseTripleBuffering; }
  62
  63   layers::WebRenderCompositor CompositorType() const override {
  64     if (UseDComp()) {
  65       return layers::WebRenderCompositor::DIRECT_COMPOSITION;
  66     }
  67     return layers::WebRenderCompositor::DRAW;
  68   }
  69
  70   LayoutDeviceIntSize GetBufferSize() override;
  71
  72   GLenum IsContextLost(bool aForce) override;
  73
  74   bool SurfaceOriginIsTopLeft() override { return true; }
  75
  76   bool SupportAsyncScreenshot() override;
  77
  78   bool ShouldUseNativeCompositor() override;
  79   uint32_t GetMaxUpdateRects() override;
  80
  81   // Interface for wr::Compositor
  82   void CompositorBeginFrame() override;
  83   void CompositorEndFrame() override;
  84   void Bind(wr::NativeTileId aId, wr::DeviceIntPoint* aOffset, uint32_t* aFboId,
  85             wr::DeviceIntRect aDirtyRect,
  86             wr::DeviceIntRect aValidRect) override;
  87   void Unbind() override;
  88   void CreateSurface(wr::NativeSurfaceId aId, wr::DeviceIntPoint aVirtualOffset,
  89                      wr::DeviceIntSize aTileSize, bool aIsOpaque) override;
  90   void CreateExternalSurface(wr::NativeSurfaceId aId, bool aIsOpaque) override;
  91   void DestroySurface(NativeSurfaceId aId) override;
  92   void CreateTile(wr::NativeSurfaceId aId, int32_t aX, int32_t aY) override;
  93   void DestroyTile(wr::NativeSurfaceId aId, int32_t aX, int32_t aY) override;
  94   void AttachExternalImage(wr::NativeSurfaceId aId,
  95                            wr::ExternalImageId aExternalImage) override;
  96   void AddSurface(wr::NativeSurfaceId aId,
  97                   const wr::CompositorSurfaceTransform& aTransform,
  98                   wr::DeviceIntRect aClipRect,
  99                   wr::ImageRendering aImageRendering) override;
 100   void EnableNativeCompositor(bool aEnable) override;
 101   void GetCompositorCapabilities(CompositorCapabilities* aCaps) override;
 102
 103   // Interface for partial present
 104   bool UsePartialPresent() override;
 105   bool RequestFullRender() override;
 106   uint32_t GetMaxPartialPresentRects() override;
 107
 108   bool MaybeReadback(const gfx::IntSize& aReadbackSize,
 109                      const wr::ImageFormat& aReadbackFormat,
 110                      const Range<uint8_t>& aReadbackBuffer,
 111                      bool* aNeedsYFlip) override;
 112
 113  protected:
 114   bool UseCompositor();
 115   void InitializeUsePartialPresent();
 116   void InsertGraphicsCommandsFinishedWaitQuery(
 117       RenderedFrameId aRenderedFrameId);
 118   bool WaitForPreviousGraphicsCommandsFinishedQuery(bool aWaitAll = false);
 119   bool ResizeBufferIfNeeded();
 120   bool CreateEGLSurface();
 121   void DestroyEGLSurface();
 122   ID3D11Device* GetDeviceOfEGLDisplay(nsACString& aError);
 123   bool CreateSwapChain(nsACString& aError);
 124   void CreateSwapChainForDCompIfPossible(IDXGIFactory2* aDXGIFactory2);
 125   RefPtr<IDXGISwapChain1> CreateSwapChainForDComp(bool aUseTripleBuffering,
 126                                                   bool aUseAlpha);
 127   bool ShutdownEGLLibraryIfNecessary(nsACString& aError);
 128   RefPtr<ID3D11Query> GetD3D11Query();
 129   void ReleaseNativeCompositorResources();
 130   HWND GetCompositorHwnd();
 131
 132   EGLConfig mEGLConfig;
 133   EGLSurface mEGLSurface;
 134
 135   bool mUseTripleBuffering;
 136   bool mUseAlpha;
 137
 138   RefPtr<ID3D11Device> mDevice;
 139   RefPtr<ID3D11DeviceContext> mCtx;
 140   RefPtr<IDXGISwapChain> mSwapChain;
 141   RefPtr<IDXGISwapChain1> mSwapChain1;
 142
 143   UniquePtr<DCLayerTree> mDCLayerTree;
 144
 145   std::queue<std::pair<RenderedFrameId, RefPtr<ID3D11Query>>>
 146       mWaitForPresentQueries;
 147   RefPtr<ID3D11Query> mRecycledQuery;
 148   RenderedFrameId mLastCompletedFrameId;
 149
 150   Maybe<LayoutDeviceIntSize> mBufferSize;
 151   bool mUseNativeCompositor;
 152   bool mUsePartialPresent;
 153   bool mFullRender;
 154   // Used to know a timing of disabling native compositor.
 155   bool mDisablingNativeCompositor;
 156 };
 157
 158 }  // namespace wr
 159 }  // namespace mozilla
 160
 161 #endif