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/*
* Copyright (C) 2011 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE INC. ``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 APPLE INC. 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 "OESVertexArrayObject.h"
#if ENABLE(WEBGL)
#include "ExtensionsGL.h"
#include "WebGLRenderingContext.h"
namespace WebCore {
OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContextBase& context)
: WebGLExtension(context)
{
}
WebGLExtension::ExtensionName OESVertexArrayObject::getName() const
{
return OESVertexArrayObjectName;
}
RefPtr<WebGLVertexArrayObjectOES> OESVertexArrayObject::createVertexArrayOES()
{
if (m_context.isContextLost())
return nullptr;
auto object = WebGLVertexArrayObjectOES::create(m_context, WebGLVertexArrayObjectOES::Type::User);
m_context.addContextObject(object.get());
return object;
}
void OESVertexArrayObject::deleteVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject)
{
if (!arrayObject || m_context.isContextLost())
return;
if (!arrayObject->isDefaultObject() && arrayObject == static_cast<WebGLRenderingContext&>(m_context).m_boundVertexArrayObject)
static_cast<WebGLRenderingContext&>(m_context).setBoundVertexArrayObject(nullptr);
arrayObject->deleteObject(m_context.graphicsContextGL());
}
GCGLboolean OESVertexArrayObject::isVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject)
{
return arrayObject && !m_context.isContextLost() && arrayObject->hasEverBeenBound()
&& m_context.graphicsContextGL()->getExtensions().isVertexArrayOES(arrayObject->object());
}
void OESVertexArrayObject::bindVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject)
{
if (m_context.isContextLost())
return;
if (arrayObject && (arrayObject->isDeleted() || !arrayObject->validate(nullptr, context()))) {
m_context.graphicsContextGL()->synthesizeGLError(GraphicsContextGL::INVALID_OPERATION);
return;
}
auto& extensions = m_context.graphicsContextGL()->getExtensions();
auto& context = downcast<WebGLRenderingContext>(m_context);
if (arrayObject && !arrayObject->isDefaultObject() && arrayObject->object()) {
extensions.bindVertexArrayOES(arrayObject->object());
arrayObject->setHasEverBeenBound();
context.setBoundVertexArrayObject(arrayObject);
} else {
extensions.bindVertexArrayOES(0);
context.setBoundVertexArrayObject(nullptr);
}
}
} // namespace WebCore
#endif // ENABLE(WEBGL)