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

111 lines
3.4 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_THEBESLAYEROGL_H
#define GFX_THEBESLAYEROGL_H
#include "Layers.h"
#include "LayerManagerOGL.h"
#include "gfxImageSurface.h"
namespace mozilla {
namespace layers {
class ThebesLayerOGL : public ThebesLayer,
public LayerOGL
{
public:
ThebesLayerOGL(LayerManager *aManager);
virtual ~ThebesLayerOGL();
/** Layer implementation */
void SetVisibleRegion(const nsIntRegion& aRegion);
/** ThebesLayer implementation */
void InvalidateRegion(const nsIntRegion& aRegion);
gfxContext *BeginDrawing(nsIntRegion* aRegionToDraw);
void EndDrawing();
void CopyFrom(ThebesLayer* aSource,
const nsIntRegion& aRegion,
const nsIntPoint& aDelta);
/** LayerOGL implementation */
LayerType GetType();
Layer* GetLayer();
virtual PRBool IsEmpty();
virtual void RenderLayer(int aPreviousFrameBuffer);
/** ThebesLayerOGL */
const nsIntRect &GetVisibleRect();
const nsIntRect &GetInvalidatedRect();
private:
/**
* Visible rectangle, this is used to know the size and position of the quad
* when doing the rendering of this layer.
*/
nsIntRect mVisibleRect;
/**
* Currently invalidated rectangular area.
*/
nsIntRect mInvalidatedRect;
/**
* Software surface used for this layer's drawing operation. This is created
* on BeginDrawing() and should be removed on EndDrawing().
*/
nsRefPtr<gfxImageSurface> mSoftwareSurface;
/**
* We hold the reference to the context.
*/
nsRefPtr<gfxContext> mContext;
/**
* OpenGL Texture
*/
GLuint mTexture;
};
} /* layers */
} /* mozilla */
#endif /* GFX_THEBESLAYEROGL_H */