gecko-dev/gfx/2d/SourceSurfaceD2D1.h

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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_SOURCESURFACED2D1_H_
#define MOZILLA_GFX_SOURCESURFACED2D1_H_
#include "2D.h"
#include "HelpersD2D.h"
#include <vector>
#include <d3d11.h>
#include <d2d1_1.h>
namespace mozilla {
namespace gfx {
class DrawTargetD2D1;
class SourceSurfaceD2D1 : public SourceSurface
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceD2D1)
SourceSurfaceD2D1(ID2D1Image* aImage, ID2D1DeviceContext *aDC,
SurfaceFormat aFormat, const IntSize &aSize,
DrawTargetD2D1 *aDT = nullptr);
~SourceSurfaceD2D1();
virtual SurfaceType GetType() const { return SurfaceType::D2D1_1_IMAGE; }
virtual IntSize GetSize() const { return mSize; }
virtual SurfaceFormat GetFormat() const { return mFormat; }
virtual bool IsValid() const;
virtual already_AddRefed<DataSourceSurface> GetDataSurface();
ID2D1Image *GetImage() { return mImage; }
void EnsureIndependent() { if (!mDrawTarget) return; DrawTargetWillChange(); }
private:
friend class DrawTargetD2D1;
bool EnsureRealizedBitmap();
// 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();
RefPtr<ID2D1Image> mImage;
// This may be null if we were created for a non-bitmap image and have not
// had a reason yet to realize ourselves.
RefPtr<ID2D1Bitmap1> mRealizedBitmap;
RefPtr<ID2D1DeviceContext> mDC;
// Keep this around to verify whether out image is still valid in the future.
RefPtr<ID2D1Device> mDevice;
SurfaceFormat mFormat;
IntSize mSize;
DrawTargetD2D1* mDrawTarget;
};
class DataSourceSurfaceD2D1 : public DataSourceSurface
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceD2D1)
DataSourceSurfaceD2D1(ID2D1Bitmap1 *aMappableBitmap, SurfaceFormat aFormat);
~DataSourceSurfaceD2D1();
virtual SurfaceType GetType() const { return SurfaceType::DATA; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const { return mFormat; }
virtual bool IsValid() const { return !!mBitmap; }
virtual uint8_t *GetData();
virtual int32_t Stride();
virtual bool Map(MapType, MappedSurface *aMappedSurface);
virtual void Unmap();
private:
friend class SourceSurfaceD2DTarget;
void EnsureMapped();
mutable RefPtr<ID2D1Bitmap1> mBitmap;
SurfaceFormat mFormat;
D2D1_MAPPED_RECT mMap;
bool mMapped;
};
}
}
#endif /* MOZILLA_GFX_SOURCESURFACED2D2TARGET_H_ */