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* Copyright (c) 2010, Google Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef WebGLContextAttributes_h
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#define WebGLContextAttributes_h
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#include "CanvasContextAttributes.h"
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#include "GraphicsContext3D.h"
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#include <wtf/PassRefPtr.h>
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class WebGLContextAttributes : public CanvasContextAttributes {
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virtual ~WebGLContextAttributes();
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// Create a new attributes object
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static PassRefPtr<WebGLContextAttributes> create();
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// Create a new attributes object initialized with preexisting attributes
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static PassRefPtr<WebGLContextAttributes> create(GraphicsContext3D::Attributes attributes);
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// Whether or not the drawing buffer has an alpha channel; default=true
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void setAlpha(bool alpha);
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// Whether or not the drawing buffer has a depth buffer; default=true
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void setDepth(bool depth);
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// Whether or not the drawing buffer has a stencil buffer; default=true
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void setStencil(bool stencil);
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// Whether or not the drawing buffer is antialiased; default=true
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bool antialias() const;
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void setAntialias(bool antialias);
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// Whether or not to treat the values in the drawing buffer as
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// though their alpha channel has already been multiplied into the
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// color channels; default=true
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bool premultipliedAlpha() const;
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void setPremultipliedAlpha(bool premultipliedAlpha);
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// Whether or not to preserve the drawing buffer after presentation to the
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// screen; default=false
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bool preserveDrawingBuffer() const;
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void setPreserveDrawingBuffer(bool);
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// Fetches a copy of the attributes stored in this object in a
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// form that can be used to initialize a GraphicsContext3D.
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GraphicsContext3D::Attributes attributes() const;
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WebGLContextAttributes();
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WebGLContextAttributes(GraphicsContext3D::Attributes attributes);
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GraphicsContext3D::Attributes m_attrs;
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} // namespace WebCore
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#endif // WebGLContextAttributes_h