gecko/gfx/layers/opengl/ImageLayerOGL.h
2010-03-30 06:48:52 +02:00

137 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** 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) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.org>
*
* 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 GFX_IMAGELAYEROGL_H
#define GFX_IMAGELAYEROGL_H
#include "LayerManagerOGL.h"
#include "ImageLayers.h"
namespace mozilla {
namespace layers {
class THEBES_API ImageContainerOGL : public ImageContainer
{
public:
ImageContainerOGL(LayerManagerOGL *aManager)
: ImageContainer(aManager)
{ }
virtual ~ImageContainerOGL() {}
virtual already_AddRefed<Image> CreateImage(const Image::Format* aFormats,
PRUint32 aNumFormats);
virtual void SetCurrentImage(Image* aImage);
virtual already_AddRefed<Image> GetCurrentImage();
virtual already_AddRefed<gfxASurface> GetCurrentAsSurface(gfxIntSize* aSize);
private:
nsRefPtr<Image> mActiveImage;
};
class THEBES_API ImageLayerOGL : public ImageLayer,
public LayerOGL
{
public:
ImageLayerOGL(LayerManagerOGL *aManager)
: ImageLayer(aManager, NULL)
{
mImplData = static_cast<LayerOGL*>(this);
}
// LayerOGL Implementation
virtual LayerType GetType();
virtual Layer* GetLayer();
virtual void RenderLayer(int aPreviousDestination);
};
class THEBES_API PlanarYCbCrImageOGL : public PlanarYCbCrImage
{
public:
PlanarYCbCrImageOGL(LayerManagerOGL *aManager);
virtual ~PlanarYCbCrImageOGL();
virtual void SetData(const Data &aData);
/**
* Upload the data from out mData into our textures. For now we use this to
* make sure the textures are created and filled on the main thread.
*/
virtual void AllocateTextures();
/**
* XXX
* Free the textures, we call this from the main thread when we're done
* drawing this frame. We cannot free this from the constructor since it may
* be destroyed off the main-thread and might not be able to properly clean
* up its textures
*/
virtual void FreeTextures();
virtual PRBool HasData() { return mHasData; }
Data mData;
PRBool mLoaded;
PRBool mHasData;
GLuint mTextures[3];
gfxIntSize mSize;
LayerManagerOGL *mManager;
};
class THEBES_API CairoImageOGL : public CairoImage
{
public:
CairoImageOGL(LayerManagerOGL *aManager)
: CairoImage(NULL)
, mManager(aManager)
{ }
~CairoImageOGL();
virtual void SetData(const Data &aData);
GLuint mTexture;
gfxIntSize mSize;
LayerManagerOGL *mManager;
};
} /* layers */
} /* mozilla */
#endif /* GFX_IMAGELAYEROGL_H */