1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/2d/SourceSurfaceD2DTarget.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,90 @@
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_SOURCESURFACED2DTARGET_H_
1.10 +#define MOZILLA_GFX_SOURCESURFACED2DTARGET_H_
1.11 +
1.12 +#include "2D.h"
1.13 +#include "HelpersD2D.h"
1.14 +#include <vector>
1.15 +#include <d3d10_1.h>
1.16 +
1.17 +namespace mozilla {
1.18 +namespace gfx {
1.19 +
1.20 +class DrawTargetD2D;
1.21 +
1.22 +class SourceSurfaceD2DTarget : public SourceSurface
1.23 +{
1.24 +public:
1.25 + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceD2DTarget)
1.26 + SourceSurfaceD2DTarget(DrawTargetD2D* aDrawTarget, ID3D10Texture2D* aTexture,
1.27 + SurfaceFormat aFormat);
1.28 + ~SourceSurfaceD2DTarget();
1.29 +
1.30 + virtual SurfaceType GetType() const { return SurfaceType::D2D1_DRAWTARGET; }
1.31 + virtual IntSize GetSize() const;
1.32 + virtual SurfaceFormat GetFormat() const;
1.33 + virtual TemporaryRef<DataSourceSurface> GetDataSurface();
1.34 + virtual void *GetNativeSurface(NativeSurfaceType aType);
1.35 +
1.36 + DrawTargetD2D* GetDT() { return mDrawTarget; }
1.37 + ID2D1Bitmap *GetBitmap(ID2D1RenderTarget *aRT);
1.38 +
1.39 +private:
1.40 + friend class DrawTargetD2D;
1.41 +
1.42 + ID3D10ShaderResourceView *GetSRView();
1.43 +
1.44 + // This function is called by the draw target this texture belongs to when
1.45 + // it is about to be changed. The texture will be required to make a copy
1.46 + // of itself when this happens.
1.47 + void DrawTargetWillChange();
1.48 +
1.49 + // This will mark the surface as no longer depending on its drawtarget,
1.50 + // this may happen on destruction or copying.
1.51 + void MarkIndependent();
1.52 +
1.53 + RefPtr<ID3D10ShaderResourceView> mSRView;
1.54 + RefPtr<ID2D1Bitmap> mBitmap;
1.55 + // Non-null if this is a "lazy copy" of the given draw target.
1.56 + // Null if we've made a copy. The target is not kept alive, otherwise we'd
1.57 + // have leaks since it might keep us alive. If the target is destroyed, it
1.58 + // will notify us.
1.59 + DrawTargetD2D* mDrawTarget;
1.60 + mutable RefPtr<ID3D10Texture2D> mTexture;
1.61 + SurfaceFormat mFormat;
1.62 + bool mOwnsCopy;
1.63 +};
1.64 +
1.65 +class DataSourceSurfaceD2DTarget : public DataSourceSurface
1.66 +{
1.67 +public:
1.68 + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceD2DTarget)
1.69 + DataSourceSurfaceD2DTarget(SurfaceFormat aFormat);
1.70 + ~DataSourceSurfaceD2DTarget();
1.71 +
1.72 + virtual SurfaceType GetType() const { return SurfaceType::DATA; }
1.73 + virtual IntSize GetSize() const;
1.74 + virtual SurfaceFormat GetFormat() const;
1.75 + virtual uint8_t *GetData();
1.76 + virtual int32_t Stride();
1.77 + virtual bool Map(MapType, MappedSurface *aMappedSurface);
1.78 + virtual void Unmap();
1.79 +
1.80 +private:
1.81 + friend class SourceSurfaceD2DTarget;
1.82 + void EnsureMapped();
1.83 +
1.84 + mutable RefPtr<ID3D10Texture2D> mTexture;
1.85 + SurfaceFormat mFormat;
1.86 + D3D10_MAPPED_TEXTURE2D mMap;
1.87 + bool mMapped;
1.88 +};
1.89 +
1.90 +}
1.91 +}
1.92 +
1.93 +#endif /* MOZILLA_GFX_SOURCESURFACED2DTARGET_H_ */
