gfx/2d/SourceSurfaceD2D1.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/2d/SourceSurfaceD2D1.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,91 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef MOZILLA_GFX_SOURCESURFACED2D1_H_
    1.10 +#define MOZILLA_GFX_SOURCESURFACED2D1_H_
    1.11 +
    1.12 +#include "2D.h"
    1.13 +#include "HelpersD2D.h"
    1.14 +#include <vector>
    1.15 +#include <d3d11.h>
    1.16 +#include <d2d1_1.h>
    1.17 +
    1.18 +namespace mozilla {
    1.19 +namespace gfx {
    1.20 +
    1.21 +class DrawTargetD2D1;
    1.22 +
    1.23 +class SourceSurfaceD2D1 : public SourceSurface
    1.24 +{
    1.25 +public:
    1.26 +  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceD2D1)
    1.27 +  SourceSurfaceD2D1(ID2D1Image* aImage, ID2D1DeviceContext *aDC,
    1.28 +                    SurfaceFormat aFormat, const IntSize &aSize,
    1.29 +                    DrawTargetD2D1 *aDT = nullptr);
    1.30 +  ~SourceSurfaceD2D1();
    1.31 +
    1.32 +  virtual SurfaceType GetType() const { return SurfaceType::D2D1_1_IMAGE; }
    1.33 +  virtual IntSize GetSize() const { return mSize; }
    1.34 +  virtual SurfaceFormat GetFormat() const { return mFormat; }
    1.35 +  virtual TemporaryRef<DataSourceSurface> GetDataSurface();
    1.36 +
    1.37 +  ID2D1Image *GetImage() { return mImage; }
    1.38 +
    1.39 +  void EnsureIndependent() { if (!mDrawTarget) return; DrawTargetWillChange(); }
    1.40 +
    1.41 +private:
    1.42 +  friend class DrawTargetD2D1;
    1.43 +
    1.44 +  void EnsureRealizedBitmap();
    1.45 +
    1.46 +  // This function is called by the draw target this texture belongs to when
    1.47 +  // it is about to be changed. The texture will be required to make a copy
    1.48 +  // of itself when this happens.
    1.49 +  void DrawTargetWillChange();
    1.50 +
    1.51 +  // This will mark the surface as no longer depending on its drawtarget,
    1.52 +  // this may happen on destruction or copying.
    1.53 +  void MarkIndependent();
    1.54 +
    1.55 +  RefPtr<ID2D1Image> mImage;
    1.56 +  // This may be null if we were created for a non-bitmap image and have not
    1.57 +  // had a reason yet to realize ourselves.
    1.58 +  RefPtr<ID2D1Bitmap1> mRealizedBitmap;
    1.59 +  RefPtr<ID2D1DeviceContext> mDC;
    1.60 +
    1.61 +  SurfaceFormat mFormat;
    1.62 +  IntSize mSize;
    1.63 +  RefPtr<DrawTargetD2D1> mDrawTarget;
    1.64 +};
    1.65 +
    1.66 +class DataSourceSurfaceD2D1 : public DataSourceSurface
    1.67 +{
    1.68 +public:
    1.69 +  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceD2D1)
    1.70 +  DataSourceSurfaceD2D1(ID2D1Bitmap1 *aMappableBitmap, SurfaceFormat aFormat);
    1.71 +  ~DataSourceSurfaceD2D1();
    1.72 +
    1.73 +  virtual SurfaceType GetType() const { return SurfaceType::DATA; }
    1.74 +  virtual IntSize GetSize() const;
    1.75 +  virtual SurfaceFormat GetFormat() const { return mFormat; }
    1.76 +  virtual uint8_t *GetData();
    1.77 +  virtual int32_t Stride();
    1.78 +  virtual bool Map(MapType, MappedSurface *aMappedSurface);
    1.79 +  virtual void Unmap();
    1.80 +
    1.81 +private:
    1.82 +  friend class SourceSurfaceD2DTarget;
    1.83 +  void EnsureMapped();
    1.84 +
    1.85 +  mutable RefPtr<ID2D1Bitmap1> mBitmap;
    1.86 +  SurfaceFormat mFormat;
    1.87 +  D2D1_MAPPED_RECT mMap;
    1.88 +  bool mMapped;
    1.89 +};
    1.90 +
    1.91 +}
    1.92 +}
    1.93 +
    1.94 +#endif /* MOZILLA_GFX_SOURCESURFACED2D2TARGET_H_ */

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