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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.
*/
#include "config.h"
#include "core/html/canvas/WebGLContextAttributes.h"
#include "core/frame/Settings.h"
namespace WebCore {
PassRefPtr<WebGLContextAttributes> WebGLContextAttributes::create()
{
return adoptRef(new WebGLContextAttributes());
}
WebGLContextAttributes::WebGLContextAttributes()
: CanvasContextAttributes()
, m_alpha(true)
, m_depth(true)
, m_stencil(false)
, m_antialias(true)
, m_premultipliedAlpha(true)
, m_preserveDrawingBuffer(false)
, m_failIfMajorPerformanceCaveat(false)
{
ScriptWrappable::init(this);
}
WebGLContextAttributes::WebGLContextAttributes(const WebGLContextAttributes& attrs)
: CanvasContextAttributes()
, m_alpha(attrs.m_alpha)
, m_depth(attrs.m_depth)
, m_stencil(attrs.m_stencil)
, m_antialias(attrs.m_antialias)
, m_premultipliedAlpha(attrs.m_premultipliedAlpha)
, m_preserveDrawingBuffer(attrs.m_preserveDrawingBuffer)
, m_failIfMajorPerformanceCaveat(attrs.m_failIfMajorPerformanceCaveat)
{
ScriptWrappable::init(this);
}
WebGLContextAttributes::~WebGLContextAttributes()
{
}
PassRefPtr<WebGLContextAttributes> WebGLContextAttributes::clone() const
{
return adoptRef(new WebGLContextAttributes(*this));
}
bool WebGLContextAttributes::alpha() const
{
return m_alpha;
}
void WebGLContextAttributes::setAlpha(bool alpha)
{
m_alpha = alpha;
}
bool WebGLContextAttributes::depth() const
{
return m_depth;
}
void WebGLContextAttributes::setDepth(bool depth)
{
m_depth = depth;
}
bool WebGLContextAttributes::stencil() const
{
return m_stencil;
}
void WebGLContextAttributes::setStencil(bool stencil)
{
m_stencil = stencil;
}
bool WebGLContextAttributes::antialias() const
{
return m_antialias;
}
void WebGLContextAttributes::setAntialias(bool antialias)
{
m_antialias = antialias;
}
bool WebGLContextAttributes::premultipliedAlpha() const
{
return m_premultipliedAlpha;
}
void WebGLContextAttributes::setPremultipliedAlpha(bool premultipliedAlpha)
{
m_premultipliedAlpha = premultipliedAlpha;
}
bool WebGLContextAttributes::preserveDrawingBuffer() const
{
return m_preserveDrawingBuffer;
}
void WebGLContextAttributes::setPreserveDrawingBuffer(bool preserveDrawingBuffer)
{
m_preserveDrawingBuffer = preserveDrawingBuffer;
}
bool WebGLContextAttributes::failIfMajorPerformanceCaveat() const
{
return m_failIfMajorPerformanceCaveat;
}
void WebGLContextAttributes::setFailIfMajorPerformanceCaveat(bool failIfMajorPerformanceCaveat)
{
m_failIfMajorPerformanceCaveat = failIfMajorPerformanceCaveat;
}
blink::WebGraphicsContext3D::Attributes WebGLContextAttributes::attributes(
const blink::WebString& topDocumentURL, Settings* settings) const
{
blink::WebGraphicsContext3D::Attributes attrs;
attrs.alpha = m_alpha;
attrs.depth = m_depth;
attrs.stencil = m_stencil;
attrs.antialias = m_antialias;
if (m_antialias) {
if (settings && !settings->openGLMultisamplingEnabled())
attrs.antialias = false;
}
attrs.premultipliedAlpha = m_premultipliedAlpha;
attrs.failIfMajorPerformanceCaveat = m_failIfMajorPerformanceCaveat;
attrs.noExtensions = true;
attrs.shareResources = false;
attrs.preferDiscreteGPU = true;
attrs.topDocumentURL = topDocumentURL;
return attrs;
}
} // namespace WebCore
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