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RenderCompositorD3D11SWGL.h (3956B)

      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_D3D11_H
      8 #define MOZILLA_GFX_RENDERCOMPOSITOR_D3D11_H
      9 
     10 #include "mozilla/gfx/2D.h"
     11 #include "mozilla/layers/ScreenshotGrabber.h"
     12 #include "mozilla/layers/TextureD3D11.h"
     13 #include "mozilla/layers/CompositorD3D11.h"
     14 #include "mozilla/webrender/RenderCompositorLayersSWGL.h"
     15 
     16 namespace mozilla {
     17 
     18 namespace wr {
     19 
     20 class SurfaceD3D11SWGL;
     21 
     22 class RenderCompositorD3D11SWGL : public RenderCompositorLayersSWGL {
     23 public:
     24  static UniquePtr<RenderCompositor> Create(
     25      const RefPtr<widget::CompositorWidget>& aWidget, nsACString& aError);
     26 
     27  RenderCompositorD3D11SWGL(layers::CompositorD3D11* aCompositor,
     28                            const RefPtr<widget::CompositorWidget>& aWidget,
     29                            void* aContext);
     30  virtual ~RenderCompositorD3D11SWGL();
     31 
     32  void Pause() override;
     33  bool Resume() override;
     34 
     35  gfx::DeviceResetReason IsContextLost(bool aForce) override;
     36 
     37  layers::WebRenderCompositor CompositorType() const override {
     38    return layers::WebRenderCompositor::D3D11;
     39  }
     40  RenderCompositorD3D11SWGL* AsRenderCompositorD3D11SWGL() override {
     41    return this;
     42  }
     43 
     44  bool BeginFrame() override;
     45 
     46  bool MaybeReadback(const gfx::IntSize& aReadbackSize,
     47                     const wr::ImageFormat& aReadbackFormat,
     48                     const Range<uint8_t>& aReadbackBuffer,
     49                     bool* aNeedsYFlip) override;
     50 
     51  layers::CompositorD3D11* GetCompositorD3D11() {
     52    return mCompositor->AsCompositorD3D11();
     53  }
     54 
     55  ID3D11Device* GetDevice() { return GetCompositorD3D11()->GetDevice(); }
     56 
     57 private:
     58  already_AddRefed<ID3D11Texture2D> CreateStagingTexture(
     59      const gfx::IntSize aSize);
     60  already_AddRefed<gfx::DataSourceSurface> CreateStagingSurface(
     61      const gfx::IntSize aSize);
     62 
     63  void HandleExternalImage(RenderTextureHost* aExternalImage,
     64                           FrameSurface& aFrameSurface) override;
     65  UniquePtr<RenderCompositorLayersSWGL::Surface> DoCreateSurface(
     66      wr::DeviceIntSize aTileSize, bool aIsOpaque) override;
     67  UniquePtr<RenderCompositorLayersSWGL::Tile> DoCreateTile(
     68      Surface* aSurface) override;
     69 
     70  class TileD3D11 : public RenderCompositorLayersSWGL::Tile {
     71   public:
     72    TileD3D11(layers::DataTextureSourceD3D11* aTexture,
     73              ID3D11Texture2D* aStagingTexture,
     74              gfx::DataSourceSurface* aDataSourceSurface, Surface* aOwner,
     75              RenderCompositorD3D11SWGL* aRenderCompositor);
     76    virtual ~TileD3D11() {}
     77 
     78    bool Map(wr::DeviceIntRect aDirtyRect, wr::DeviceIntRect aValidRect,
     79             void** aData, int32_t* aStride) override;
     80    void Unmap(const gfx::IntRect& aDirtyRect) override;
     81    layers::DataTextureSource* GetTextureSource() override { return mTexture; }
     82    bool IsValid() override;
     83 
     84   private:
     85    RefPtr<layers::DataTextureSourceD3D11> mTexture;
     86    RefPtr<ID3D11Texture2D> mStagingTexture;
     87    RefPtr<gfx::DataSourceSurface> mSurface;
     88    SurfaceD3D11SWGL* mOwner;
     89    RenderCompositorD3D11SWGL* mRenderCompositor;
     90  };
     91 
     92  enum UploadMode {
     93    Upload_Immediate,
     94    Upload_Staging,
     95    Upload_StagingNoBlock,
     96    Upload_StagingPooled
     97  };
     98  UploadMode GetUploadMode();
     99  UploadMode mUploadMode = Upload_Staging;
    100 
    101  RefPtr<ID3D11Texture2D> mCurrentStagingTexture;
    102  bool mCurrentStagingTextureIsTemp = false;
    103 };
    104 
    105 class SurfaceD3D11SWGL : public RenderCompositorLayersSWGL::Surface {
    106 public:
    107  SurfaceD3D11SWGL(wr::DeviceIntSize aTileSize, bool aIsOpaque);
    108  virtual ~SurfaceD3D11SWGL() {}
    109 
    110  SurfaceD3D11SWGL* AsSurfaceD3D11SWGL() override { return this; }
    111 
    112  nsTArray<RefPtr<ID3D11Texture2D>> mStagingPool;
    113 };
    114 
    115 }  // namespace wr
    116 }  // namespace mozilla
    117 
    118 #endif