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6536947736
The rectangle parameter is currently not used --- all callers always pass the full canvas bounds. In the long term, we probably won't want this parameter since all implementations should be doing accelerated drawing direct to buffers with no intermediate copies, hence there will be no need to optimize the size of those copies. Plus, performance-sensitive testcases tend to paint most or all of the canvas on every frame anyway.
137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_CANVASLAYEROGL_H
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#define GFX_CANVASLAYEROGL_H
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#ifdef MOZ_IPC
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# include "mozilla/layers/PLayers.h"
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# include "mozilla/layers/ShadowLayers.h"
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#endif // MOZ_IPC
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#include "LayerManagerOGL.h"
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#include "gfxASurface.h"
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namespace mozilla {
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namespace layers {
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class THEBES_API CanvasLayerOGL :
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public CanvasLayer,
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public LayerOGL
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{
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public:
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CanvasLayerOGL(LayerManagerOGL *aManager)
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: CanvasLayer(aManager, NULL),
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LayerOGL(aManager),
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mTexture(0),
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mDelayedUpdates(PR_FALSE)
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{
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mImplData = static_cast<LayerOGL*>(this);
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}
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~CanvasLayerOGL() { Destroy(); }
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// CanvasLayer implementation
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virtual void Initialize(const Data& aData);
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// LayerOGL implementation
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virtual void Destroy();
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virtual Layer* GetLayer() { return this; }
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virtual void RenderLayer(int aPreviousFrameBuffer,
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const nsIntPoint& aOffset);
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protected:
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void UpdateSurface();
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nsRefPtr<gfxASurface> mCanvasSurface;
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nsRefPtr<GLContext> mCanvasGLContext;
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gl::ShaderProgramType mLayerProgram;
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void MakeTexture();
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GLuint mTexture;
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PRPackedBool mDelayedUpdates;
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PRPackedBool mGLBufferIsPremultiplied;
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PRPackedBool mNeedsYFlip;
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};
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#ifdef MOZ_IPC
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// NB: eventually we'll have separate shadow canvas2d and shadow
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// canvas3d layers, but currently they look the same from the
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// perspective of the compositor process
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class ShadowCanvasLayerOGL : public ShadowCanvasLayer,
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public LayerOGL
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{
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typedef gl::TextureImage TextureImage;
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public:
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ShadowCanvasLayerOGL(LayerManagerOGL* aManager);
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virtual ~ShadowCanvasLayerOGL();
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// CanvasLayer impl
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virtual void Initialize(const Data& aData);
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// This isn't meaningful for shadow canvas.
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virtual void Updated(const nsIntRect&) {}
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// ShadowCanvasLayer impl
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virtual already_AddRefed<gfxSharedImageSurface>
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Swap(gfxSharedImageSurface* aNewFront);
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virtual void DestroyFrontBuffer();
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virtual void Disconnect();
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// LayerOGL impl
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void Destroy();
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Layer* GetLayer();
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virtual void RenderLayer(int aPreviousFrameBuffer,
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const nsIntPoint& aOffset);
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private:
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nsRefPtr<TextureImage> mTexImage;
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// XXX FIXME holding to free
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nsRefPtr<gfxSharedImageSurface> mDeadweight;
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};
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#endif // MOZ_IPC
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} /* layers */
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} /* mozilla */
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#endif /* GFX_IMAGELAYEROGL_H */
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