blob: e4842c9d3228a6ecfa32f564994caac417df2c63 [file] [log] [blame]
/*
* Copyright (C) 2009-2017 Apple 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 "WebGLObject.h"
#if ENABLE(WEBGL)
#include "WebCoreOpaqueRoot.h"
#include "WebGLCompressedTextureS3TC.h"
#include "WebGLContextGroup.h"
#include "WebGLDebugRendererInfo.h"
#include "WebGLDebugShaders.h"
#include "WebGLLoseContext.h"
#include "WebGLRenderingContextBase.h"
namespace WebCore {
void WebGLObject::setObject(PlatformGLObject object)
{
ASSERT(!m_object);
ASSERT(!m_deleted);
m_object = object;
}
void WebGLObject::runDestructor()
{
auto& lock = objectGraphLockForContext();
if (lock.isHeld()) {
// Destruction of WebGLObjects can happen in chains triggered from GC.
// The lock must be held only once, at the beginning of the chain.
auto locker = AbstractLocker(NoLockingNecessary);
deleteObject(locker, nullptr);
} else {
Locker locker { lock };
deleteObject(locker, nullptr);
}
}
void WebGLObject::deleteObject(const AbstractLocker& locker, GraphicsContextGL* context3d)
{
m_deleted = true;
if (!m_object)
return;
if (!hasGroupOrContext())
return;
if (!m_attachmentCount) {
if (!context3d)
context3d = getAGraphicsContextGL();
if (context3d)
deleteObjectImpl(locker, context3d, m_object);
}
if (!m_attachmentCount)
m_object = 0;
}
void WebGLObject::detach()
{
m_attachmentCount = 0; // Make sure OpenGL resource is deleted.
}
void WebGLObject::onDetached(const AbstractLocker& locker, GraphicsContextGL* context3d)
{
if (m_attachmentCount)
--m_attachmentCount;
if (m_deleted)
deleteObject(locker, context3d);
}
WebCoreOpaqueRoot root(WebGLObject* object)
{
return WebCoreOpaqueRoot { object };
}
} // namespace WebCore
#endif // ENABLE(WEBGL)