From 40736c5763bf61337c8c14e16d8587db021a87d4 Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Fri, 6 Jan 2012 14:44:00 +0100
Subject: Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4
 (http://svn.webkit.org/repository/webkit/trunk@104285)

---
 .../WebKit/chromium/src/WebLayerTreeViewImpl.cpp   | 128 +++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 Source/WebKit/chromium/src/WebLayerTreeViewImpl.cpp

(limited to 'Source/WebKit/chromium/src/WebLayerTreeViewImpl.cpp')

diff --git a/Source/WebKit/chromium/src/WebLayerTreeViewImpl.cpp b/Source/WebKit/chromium/src/WebLayerTreeViewImpl.cpp
new file mode 100644
index 000000000..981477118
--- /dev/null
+++ b/Source/WebKit/chromium/src/WebLayerTreeViewImpl.cpp
@@ -0,0 +1,128 @@
+/*
+ * 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 AND ITS 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 APPLE OR ITS 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 "WebLayerTreeViewImpl.h"
+
+#include "CCThreadImpl.h"
+#include "GraphicsContext3DPrivate.h"
+#include "LayerChromium.h"
+#include "cc/CCThreadProxy.h"
+#include "platform/WebGraphicsContext3D.h"
+#include "platform/WebLayer.h"
+#include "platform/WebLayerTreeView.h"
+#include "platform/WebLayerTreeViewClient.h"
+#include "platform/WebSize.h"
+#include "platform/WebThread.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+PassRefPtr<WebLayerTreeViewImpl> WebLayerTreeViewImpl::create(WebLayerTreeViewClient* client, const WebLayer& root, const WebLayerTreeView::Settings& settings)
+{
+    RefPtr<WebLayerTreeViewImpl> host = adoptRef(new WebLayerTreeViewImpl(client, settings));
+    if (!host->initialize())
+        return 0;
+    host->setRootLayer(root);
+    return host;
+}
+
+WebLayerTreeViewImpl::WebLayerTreeViewImpl(WebLayerTreeViewClient* client, const WebLayerTreeView::Settings& settings) 
+    : CCLayerTreeHost(this, settings)
+    , m_client(client)
+{
+}
+
+WebLayerTreeViewImpl::~WebLayerTreeViewImpl()
+{
+}
+
+void WebLayerTreeViewImpl::updateAnimations(double frameBeginTime)
+{
+    if (m_client)
+        m_client->updateAnimations(frameBeginTime);
+}
+
+void WebLayerTreeViewImpl::layout()
+{
+    if (m_client)
+        m_client->layout();
+}
+
+void WebLayerTreeViewImpl::applyScrollAndScale(const WebCore::IntSize& scrollDelta, float pageScale)
+{
+    if (m_client)
+        m_client->applyScrollAndScale(WebSize(scrollDelta), pageScale);
+}
+
+PassRefPtr<GraphicsContext3D> WebLayerTreeViewImpl::createLayerTreeHostContext3D()
+{
+    if (!m_client)
+        return 0;
+    OwnPtr<WebGraphicsContext3D> webContext = adoptPtr(m_client->createContext3D());
+    if (!webContext)
+        return 0;
+
+    WebGraphicsContext3D::Attributes webAttributes = webContext->getContextAttributes();
+    GraphicsContext3D::Attributes attributes;
+    attributes.alpha = webAttributes.alpha;
+    attributes.depth = webAttributes.depth;
+    attributes.stencil = webAttributes.stencil;
+    attributes.antialias = webAttributes.antialias;
+    attributes.premultipliedAlpha = webAttributes.premultipliedAlpha;
+    attributes.canRecoverFromContextLoss = webAttributes.canRecoverFromContextLoss;
+    attributes.noExtensions = webAttributes.noExtensions;
+    attributes.shareResources = webAttributes.shareResources;
+    attributes.preserveDrawingBuffer = false;
+
+    GraphicsContext3D::RenderStyle style = GraphicsContext3D::RenderDirectlyToHostWindow;
+    GraphicsContext3DPrivate::ThreadUsage usage = CCProxy::hasImplThread() ? GraphicsContext3DPrivate::ForUseOnAnotherThread : GraphicsContext3DPrivate::ForUseOnThisThread;
+    return GraphicsContext3DPrivate::createGraphicsContextFromWebContext(webContext.release(), attributes, 0, style, usage);
+}
+
+void WebLayerTreeViewImpl::didCommitAndDrawFrame()
+{
+    // FIXME: route this up to the WebLayerTreeView client
+}
+
+void WebLayerTreeViewImpl::didCompleteSwapBuffers()
+{
+    // FIXME: route this up to the WebLayerTreeView client
+}
+
+void WebLayerTreeViewImpl::didRecreateGraphicsContext(bool success)
+{
+    if (m_client)
+        m_client->didRebindGraphicsContext(success);
+}
+
+void WebLayerTreeViewImpl::scheduleComposite()
+{
+    if (m_client)
+        m_client->scheduleComposite();
+}
+
+} // namespace WebKit
-- 
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