Implementing ACCELERATED_COMPOSITING via Skia

WebCore/platform/graphics/skia/LayerRendererSkia.h

Index: WebCore/platform/graphics/skia/LayerRendererSkia.h
===================================================================
--- WebCore/platform/graphics/skia/LayerRendererSkia.h	(revision 0)
+++ WebCore/platform/graphics/skia/LayerRendererSkia.h	(revision 0)
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2010, 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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.
+ */
+
+
+#ifndef LayerRendererSkia_h
+#define LayerRendererSkia_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "LayerSkia.h"
+#include <wtf/Noncopyable.h>
+
+#include <wtf/PassOwnPtr.h>
+#include <wtf/Vector.h>
+
+namespace skia {
+class PlatformCanvas;
+}
+
+namespace WebCore {
+
+class LayerRendererSkia : public Noncopyable {
+public:
+    static PassOwnPtr<LayerRendererSkia> create();
+
+    LayerRendererSkia();
+    ~LayerRendererSkia();
+
+    void drawLayersInCanvas(skia::PlatformCanvas* canvas, SkRect clipRect);
+
+    void updateLayerContents();
+
+    void setRootLayer(LayerSkia* layer) { m_rootLayer = layer; }
+    LayerSkia* rootLayer() { return m_rootLayer.get(); }
+
+    void setNeedsDisplay() { m_needsDisplay = true; }
+
+    void setScrollFrame(SkIRect& scrollFrame) { m_scrollFrame = scrollFrame; }
+
+private:
+    void drawLayerInCanvasRecursive(skia::PlatformCanvas* canvas, LayerSkia* layer, float opacity);
+    void updateLayerContentsRecursive(LayerSkia* layer);
+
+    RefPtr<LayerSkia> m_rootLayer;
+
+    bool m_needsDisplay;
+    SkIRect m_scrollFrame;
+};
+
+}
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif // WKCACFLayer_h
Property changes on: WebCore\platform\graphics\skia\LayerRendererSkia.h
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Added: svn:eol-style
   + LF