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