Add the ubercomp DelegatedRendererLayer.

cc/CCDelegatedRendererLayerImpl.h

+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CCDelegatedRendererLayerImpl_h
+#define CCDelegatedRendererLayerImpl_h
+
+#include "CCLayerImpl.h"
+
+namespace cc {
+
+class CCDelegatedRendererLayerImpl : public CCLayerImpl {
+public:
+    static PassOwnPtr<CCDelegatedRendererLayerImpl> create(int id) { return adoptPtr(new CCDelegatedRendererLayerImpl(id)); }
+    virtual ~CCDelegatedRendererLayerImpl();
+
+    virtual bool descendantDrawsContent() OVERRIDE;
+    virtual bool hasContributingDelegatedRenderPasses() const OVERRIDE;
+
+    // This gives ownership of the RenderPasses to the layer.
+    void setRenderPasses(OwnPtrVector<CCRenderPass>&);
+    void clearRenderPasses();
+
+    virtual void didLoseContext() OVERRIDE;
+
+    virtual CCRenderPass::Id firstContributingRenderPassId() const OVERRIDE;
+    virtual CCRenderPass::Id nextContributingRenderPassId(CCRenderPass::Id) const OVERRIDE;
+
+    void appendContributingRenderPasses(CCRenderPassSink&);
+    virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) OVERRIDE;
+
+private:
+    explicit CCDelegatedRendererLayerImpl(int);
+
+    CCRenderPass::Id convertDelegatedRenderPassId(CCRenderPass::Id delegatedRenderPassId) const;
+
+    void appendRenderPassQuads(CCQuadSink&, CCAppendQuadsData&, CCRenderPass* fromDelegatedRenderPass) const;
+
+    PassOwnPtr<CCDrawQuad> createCopyOfQuad(const CCDrawQuad*);
+
+    virtual const char* layerTypeAsString() const OVERRIDE { return "DelegatedRendererLayer"; }
+
+    OwnPtrVector<CCRenderPass> m_renderPassesInDrawOrder;
+    HashMap<CCRenderPass::Id, int> m_renderPassesIndexById;
+};
+
+}
+
+#endif // CCDelegatedRendererLayerImpl_h