gfx/2d/SourceSurfaceD2D.h@97036ab72558 (annotated)
gfx/2d/SourceSurfaceD2D.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef MOZILLA_GFX_SOURCESURFACED2D_H_ |
| michael@0 | 7 | #define MOZILLA_GFX_SOURCESURFACED2D_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "2D.h" |
| michael@0 | 10 | #include "HelpersD2D.h" |
| michael@0 | 11 | #include <vector> |
| michael@0 | 12 | |
| michael@0 | 13 | namespace mozilla { |
| michael@0 | 14 | namespace gfx { |
| michael@0 | 15 | |
| michael@0 | 16 | class DataSourceSurfaceD2D; |
| michael@0 | 17 | |
| michael@0 | 18 | class SourceSurfaceD2D : public SourceSurface |
| michael@0 | 19 | { |
| michael@0 | 20 | public: |
| michael@0 | 21 | MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceD2D) |
| michael@0 | 22 | SourceSurfaceD2D(); |
| michael@0 | 23 | ~SourceSurfaceD2D(); |
| michael@0 | 24 | |
| michael@0 | 25 | virtual SurfaceType GetType() const { return SurfaceType::D2D1_BITMAP; } |
| michael@0 | 26 | virtual IntSize GetSize() const; |
| michael@0 | 27 | virtual SurfaceFormat GetFormat() const; |
| michael@0 | 28 | virtual bool IsValid() const; |
| michael@0 | 29 | |
| michael@0 | 30 | virtual TemporaryRef<DataSourceSurface> GetDataSurface(); |
| michael@0 | 31 | |
| michael@0 | 32 | ID2D1Bitmap *GetBitmap() { return mBitmap; } |
| michael@0 | 33 | |
| michael@0 | 34 | bool InitFromData(unsigned char *aData, |
| michael@0 | 35 | const IntSize &aSize, |
| michael@0 | 36 | int32_t aStride, |
| michael@0 | 37 | SurfaceFormat aFormat, |
| michael@0 | 38 | ID2D1RenderTarget *aRT); |
| michael@0 | 39 | bool InitFromTexture(ID3D10Texture2D *aTexture, |
| michael@0 | 40 | SurfaceFormat aFormat, |
| michael@0 | 41 | ID2D1RenderTarget *aRT); |
| michael@0 | 42 | private: |
| michael@0 | 43 | friend class DrawTargetD2D; |
| michael@0 | 44 | friend class DataSourceSurfaceD2D; |
| michael@0 | 45 | |
| michael@0 | 46 | uint32_t GetByteSize() const; |
| michael@0 | 47 | |
| michael@0 | 48 | RefPtr<ID2D1Bitmap> mBitmap; |
| michael@0 | 49 | // We need to keep this pointer here to check surface validity. |
| michael@0 | 50 | RefPtr<ID3D10Device> mDevice; |
| michael@0 | 51 | SurfaceFormat mFormat; |
| michael@0 | 52 | IntSize mSize; |
| michael@0 | 53 | }; |
| michael@0 | 54 | |
| michael@0 | 55 | |
| michael@0 | 56 | class DataSourceSurfaceD2D : public DataSourceSurface |
| michael@0 | 57 | { |
| michael@0 | 58 | public: |
| michael@0 | 59 | MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceD2D) |
| michael@0 | 60 | DataSourceSurfaceD2D(SourceSurfaceD2D* aSourceSurface); |
| michael@0 | 61 | virtual ~DataSourceSurfaceD2D(); |
| michael@0 | 62 | |
| michael@0 | 63 | virtual unsigned char* GetData(); |
| michael@0 | 64 | virtual int32_t Stride(); |
| michael@0 | 65 | virtual IntSize GetSize() const; |
| michael@0 | 66 | virtual SurfaceFormat GetFormat() const; |
| michael@0 | 67 | virtual bool Map(MapType, MappedSurface *aMappedSurface); |
| michael@0 | 68 | virtual void Unmap(); |
| michael@0 | 69 | |
| michael@0 | 70 | bool IsValid() |
| michael@0 | 71 | { |
| michael@0 | 72 | return mTexture; |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | private: |
| michael@0 | 76 | void EnsureMappedTexture(); |
| michael@0 | 77 | |
| michael@0 | 78 | RefPtr<ID3D10Texture2D> mTexture; |
| michael@0 | 79 | |
| michael@0 | 80 | D3D10_MAPPED_TEXTURE2D mData; |
| michael@0 | 81 | |
| michael@0 | 82 | SurfaceFormat mFormat; |
| michael@0 | 83 | IntSize mSize; |
| michael@0 | 84 | bool mMapped; |
| michael@0 | 85 | }; |
| michael@0 | 86 | |
| michael@0 | 87 | } |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | #endif /* MOZILLA_GFX_SOURCESURFACED2D_H_ */ |
