The Tor Browser / file comparison
comparison: gfx/layers/D3D9SurfaceImage.h
gfx/layers/D3D9SurfaceImage.h
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:e15aa6399747 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; 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 GFX_D3DSURFACEIMAGE_H | |
| 7 #define GFX_D3DSURFACEIMAGE_H | |
| 8 | |
| 9 #include "mozilla/RefPtr.h" | |
| 10 #include "ImageContainer.h" | |
| 11 #include "nsAutoPtr.h" | |
| 12 #include "d3d9.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace layers { | |
| 16 | |
| 17 // Image class that wraps a IDirect3DSurface9. This class copies the image | |
| 18 // passed into SetData(), so that it can be accessed from other D3D devices. | |
| 19 // This class also manages the synchronization of the copy, to ensure the | |
| 20 // resource is ready to use. | |
| 21 class D3D9SurfaceImage : public Image | |
| 22 , public ISharedImage { | |
| 23 public: | |
| 24 | |
| 25 struct Data { | |
| 26 Data(IDirect3DSurface9* aSurface, const nsIntRect& aRegion) | |
| 27 : mSurface(aSurface), mRegion(aRegion) {} | |
| 28 RefPtr<IDirect3DSurface9> mSurface; | |
| 29 nsIntRect mRegion; | |
| 30 }; | |
| 31 | |
| 32 D3D9SurfaceImage(); | |
| 33 virtual ~D3D9SurfaceImage(); | |
| 34 | |
| 35 virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; } | |
| 36 | |
| 37 // Copies the surface into a sharable texture's surface, and initializes | |
| 38 // the image. | |
| 39 HRESULT SetData(const Data& aData); | |
| 40 | |
| 41 // Returns the description of the shared surface. | |
| 42 const D3DSURFACE_DESC& GetDesc() const; | |
| 43 | |
| 44 // Returns the HANDLE that can be used to open the image as a shared resource. | |
| 45 // If the operation to copy the original resource to the shared resource | |
| 46 // hasn't finished yet, this function blocks until the synchronization is | |
| 47 // complete. | |
| 48 HANDLE GetShareHandle(); | |
| 49 | |
| 50 gfx::IntSize GetSize() MOZ_OVERRIDE; | |
| 51 | |
| 52 virtual TemporaryRef<gfx::SourceSurface> GetAsSourceSurface() MOZ_OVERRIDE; | |
| 53 | |
| 54 virtual TextureClient* GetTextureClient(CompositableClient* aClient) MOZ_OVERRIDE; | |
| 55 virtual uint8_t* GetBuffer() MOZ_OVERRIDE { return nullptr; } | |
| 56 | |
| 57 private: | |
| 58 | |
| 59 // Blocks the calling thread until the copy operation started in SetData() | |
| 60 // is complete, whereupon the texture is safe to use. | |
| 61 void EnsureSynchronized(); | |
| 62 | |
| 63 gfx::IntSize mSize; | |
| 64 RefPtr<IDirect3DTexture9> mTexture; | |
| 65 RefPtr<IDirect3DQuery9> mQuery; | |
| 66 RefPtr<TextureClient> mTextureClient; | |
| 67 HANDLE mShareHandle; | |
| 68 D3DSURFACE_DESC mDesc; | |
| 69 }; | |
| 70 | |
| 71 } // namepace layers | |
| 72 } // namespace mozilla | |
| 73 | |
| 74 #endif // GFX_D3DSURFACEIMAGE_H |
