mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 15:15:23 +00:00
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/* -*- 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_ */
|