gfx/layers/D3D9SurfaceImage.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 GFX_D3DSURFACEIMAGE_H
   8 #define GFX_D3DSURFACEIMAGE_H
   9
  10 #include "mozilla/RefPtr.h"
  11 #include "ImageContainer.h"
  12 #include "d3d9.h"
  13 #include "mozilla/layers/TextureClientRecycleAllocator.h"
  14
  15 namespace mozilla {
  16 namespace layers {
  17
  18 class TextureClient;
  19
  20 class D3D9RecycleAllocator : public TextureClientRecycleAllocator {
  21  public:
  22   D3D9RecycleAllocator(KnowsCompositor* aAllocator, IDirect3DDevice9* aDevice)
  23       : TextureClientRecycleAllocator(aAllocator), mDevice(aDevice) {}
  24
  25   already_AddRefed<TextureClient> CreateOrRecycleClient(
  26       gfx::SurfaceFormat aFormat, const gfx::IntSize& aSize);
  27
  28  protected:
  29   already_AddRefed<TextureClient> Allocate(
  30       gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
  31       TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
  32
  33   RefPtr<IDirect3DDevice9> mDevice;
  34 };
  35
  36 /**
  37  * Wraps a D3D9 texture, shared with the compositor though DXGI.
  38  * At the moment it is only used with D3D11 compositing, and the corresponding
  39  * TextureHost is DXGITextureHostD3D11.
  40  */
  41 class DXGID3D9TextureData : public TextureData {
  42  public:
  43   static DXGID3D9TextureData* Create(gfx::IntSize aSize,
  44                                      gfx::SurfaceFormat aFormat,
  45                                      TextureFlags aFlags,
  46                                      IDirect3DDevice9* aDevice);
  47
  48   virtual ~DXGID3D9TextureData();
  49
  50   void FillInfo(TextureData::Info& aInfo) const override;
  51
  52   bool Lock(OpenMode) override { return true; }
  53
  54   void Unlock() override {}
  55
  56   bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
  57
  58   void Deallocate(LayersIPCChannel* aAllocator) override {}
  59
  60   IDirect3DDevice9* GetD3D9Device() { return mDevice; }
  61   IDirect3DTexture9* GetD3D9Texture() { return mTexture; }
  62   HANDLE GetShareHandle() const { return mHandle; }
  63   already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
  64
  65   const D3DSURFACE_DESC& GetDesc() const { return mDesc; }
  66
  67   gfx::IntSize GetSize() const {
  68     return gfx::IntSize(mDesc.Width, mDesc.Height);
  69   }
  70
  71  protected:
  72   DXGID3D9TextureData(gfx::SurfaceFormat aFormat, IDirect3DTexture9* aTexture,
  73                       HANDLE aHandle, IDirect3DDevice9* aDevice);
  74
  75   RefPtr<IDirect3DDevice9> mDevice;
  76   RefPtr<IDirect3DTexture9> mTexture;
  77   gfx::SurfaceFormat mFormat;
  78   HANDLE mHandle;
  79   D3DSURFACE_DESC mDesc;
  80 };
  81
  82 // Image class that wraps a IDirect3DSurface9. This class copies the image
  83 // passed into SetData(), so that it can be accessed from other D3D devices.
  84 // This class also manages the synchronization of the copy, to ensure the
  85 // resource is ready to use.
  86 class D3D9SurfaceImage : public Image {
  87  public:
  88   D3D9SurfaceImage();
  89   virtual ~D3D9SurfaceImage();
  90
  91   HRESULT AllocateAndCopy(D3D9RecycleAllocator* aAllocator,
  92                           IDirect3DSurface9* aSurface,
  93                           const gfx::IntRect& aRegion);
  94
  95   // Returns the description of the shared surface.
  96   gfx::IntSize GetSize() const override;
  97
  98   already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
  99
 100   TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
 101
 102   already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
 103
 104   HANDLE GetShareHandle() const;
 105
 106   bool IsValid() const override { return mValid; }
 107
 108   void Invalidate() { mValid = false; }
 109
 110  private:
 111   gfx::IntSize mSize;
 112   RefPtr<TextureClient> mTextureClient;
 113   RefPtr<IDirect3DTexture9> mTexture;
 114   HANDLE mShareHandle;
 115   D3DSURFACE_DESC mDesc;
 116   bool mValid;
 117 };
 118
 119 }  // namespace layers
 120 }  // namespace mozilla
 121
 122 #endif  // GFX_D3DSURFACEIMAGE_H