gecko/gfx/2d/SourceSurfaceD2DTarget.h

115 lines
3.9 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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;
};
class DataSourceSurfaceD2DTarget : public DataSourceSurface
{
public:
DataSourceSurfaceD2DTarget();
~DataSourceSurfaceD2DTarget();
virtual SurfaceType GetType() const { return SURFACE_DATA; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
virtual unsigned char *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_ */