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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_SOURCESURFACED2DTARGET_H_
#define MOZILLA_GFX_SOURCESURFACED2DTARGET_H_
#include "2D.h"
#include "HelpersD2D.h"
#include <vector>
#include <d3d10_1.h>
namespace mozilla {
namespace gfx {
class DrawTargetD2D;
class SourceSurfaceD2DTarget : public SourceSurface
{
public:
SourceSurfaceD2DTarget(DrawTargetD2D* aDrawTarget, ID3D10Texture2D* aTexture,
SurfaceFormat aFormat);
~SourceSurfaceD2DTarget();
virtual SurfaceType GetType() const { return SURFACE_D2D1_DRAWTARGET; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
virtual TemporaryRef<DataSourceSurface> GetDataSurface();
private:
friend class DrawTargetD2D;
ID3D10ShaderResourceView *GetSRView();
// This function is called by the draw target this texture belongs to when
// it is about to be changed. The texture will be required to make a copy
// of itself when this happens.
void DrawTargetWillChange();
// This will mark the surface as no longer depending on its drawtarget,
// this may happen on destruction or copying.
void MarkIndependent();
ID2D1Bitmap *GetBitmap(ID2D1RenderTarget *aRT);
RefPtr<ID3D10ShaderResourceView> mSRView;
RefPtr<ID2D1Bitmap> mBitmap;
// Non-null if this is a "lazy copy" of the given draw target.
// Null if we've made a copy. The target is not kept alive, otherwise we'd
// have leaks since it might keep us alive. If the target is destroyed, it
// will notify us.
DrawTargetD2D* mDrawTarget;
mutable RefPtr<ID3D10Texture2D> mTexture;
SurfaceFormat mFormat;
bool mOwnsCopy;
};
class DataSourceSurfaceD2DTarget : public DataSourceSurface
{
public:
DataSourceSurfaceD2DTarget();
~DataSourceSurfaceD2DTarget();
virtual SurfaceType GetType() const { return SURFACE_DATA; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
virtual uint8_t *GetData();
virtual int32_t Stride();
private:
friend class SourceSurfaceD2DTarget;
void EnsureMapped();
mutable RefPtr<ID3D10Texture2D> mTexture;
SurfaceFormat mFormat;
D3D10_MAPPED_TEXTURE2D mMap;
bool mMapped;
};
}
}
#endif /* MOZILLA_GFX_SOURCESURFACED2DTARGET_H_ */
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