author Chris Jones <>
Fri, 03 Sep 2010 15:10:46 -0500
changeset 54083 8321155e8dad2fb39353be91023c23f85600f215
parent 49072 0ebbc02a5c8726cb61224758767200a9d8c21db4
child 55453 629729b11dc6ee19fff266f00bc8b2c9933d5b5e
permissions -rw-r--r--
Bug 590294, part 8: Implement resolution-scaled drawing for basic layers. r=roc

/* -*- 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
 * 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) 2010
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Vladimir Vukicevic <>
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 * 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"),
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 * ***** END LICENSE BLOCK ***** */


#include "LayerManagerOGL.h"
#include "gfxASurface.h"

namespace mozilla {
namespace layers {

class THEBES_API CanvasLayerOGL :
  public CanvasLayer,
  public LayerOGL
  CanvasLayerOGL(LayerManagerOGL *aManager)
    : CanvasLayer(aManager, NULL),
      mImplData = static_cast<LayerOGL*>(this);
  ~CanvasLayerOGL() { Destroy(); }

  // CanvasLayer implementation
  virtual void Initialize(const Data& aData);
  virtual void Updated(const nsIntRect& aRect);

  // LayerOGL implementation
  virtual void Destroy();
  virtual Layer* GetLayer() { return this; }
  virtual void RenderLayer(int aPreviousFrameBuffer,
                           const nsIntPoint& aOffset);

  nsRefPtr<gfxASurface> mCanvasSurface;
  nsRefPtr<GLContext> mCanvasGLContext;

  void MakeTexture();
  GLuint mTexture;

  nsIntRect mBounds;
  nsIntRect mUpdatedRect;

  PRPackedBool mGLBufferIsPremultiplied;
  PRPackedBool mNeedsYFlip;

} /* layers */
} /* mozilla */