Initial import attempt, just to play with. Many things disabled/removed

ui/cc/cc/CCRenderPass.h

+/*
+ * 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.
+ */
+
+#ifndef CCRenderPass_h
+#define CCRenderPass_h
+
+#include "SkColor.h"
+#include "cc/CCOcclusionTracker.h"
+#include <wtf/PassOwnPtr.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class CCDrawQuad;
+class CCLayerImpl;
+class CCRenderSurface;
+class CCSharedQuadState;
+
+// A list of CCDrawQuad objects, sorted internally in front-to-back order.
+class CCQuadList : public Vector<OwnPtr<CCDrawQuad> > {
+public:
+    typedef reverse_iterator backToFrontIterator;
+    typedef const_reverse_iterator constBackToFrontIterator;
+
+    inline backToFrontIterator backToFrontBegin() { return rbegin(); }
+    inline backToFrontIterator backToFrontEnd() { return rend(); }
+    inline constBackToFrontIterator backToFrontBegin() const { return rbegin(); }
+    inline constBackToFrontIterator backToFrontEnd() const { return rend(); }
+};
+
+class CCRenderPass {
+    WTF_MAKE_NONCOPYABLE(CCRenderPass);
+public:
+    static PassOwnPtr<CCRenderPass> create(CCRenderSurface*);
+
+    void appendQuadsForLayer(CCLayerImpl*, CCOcclusionTrackerImpl*, bool& hadMissingTiles);
+    void appendQuadsForRenderSurfaceLayer(CCLayerImpl*, const CCRenderPass* contributingRenderPass, CCOcclusionTrackerImpl*);
+    void appendQuadsToFillScreen(CCLayerImpl* rootLayer, SkColor screenBackgroundColor, const CCOcclusionTrackerImpl&);
+
+    const CCQuadList& quadList() const { return m_quadList; }
+    CCRenderSurface* targetSurface() const { return m_targetSurface; }
+    // This denotes the bounds in physical pixels of the output generated by this RenderPass.
+    const IntRect& framebufferOutputRect() const { return m_framebufferOutputRect; }
+
+    bool hasTransparentBackground() const { return m_hasTransparentBackground; }
+    void setHasTransparentBackground(bool transparent) { m_hasTransparentBackground = transparent; }
+
+protected:
+    explicit CCRenderPass(CCRenderSurface*);
+
+    CCRenderSurface* m_targetSurface;
+    CCQuadList m_quadList;
+    IntRect m_framebufferOutputRect;
+    Vector<OwnPtr<CCSharedQuadState> > m_sharedQuadStateList;
+    bool m_hasTransparentBackground;
+};
+
+typedef Vector<OwnPtr<CCRenderPass> > CCRenderPassList;
+
+}
+
+#endif