Index: ui/cc/cc/CCQuadCuller.h |
diff --git a/ui/cc/cc/CCQuadCuller.h b/ui/cc/cc/CCQuadCuller.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2999b6ad5af844554274d44e1b945f67987e5f60 |
--- /dev/null |
+++ b/ui/cc/cc/CCQuadCuller.h |
@@ -0,0 +1,53 @@ |
+/* |
+ * Copyright (C) 2012 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 CCQuadCuller_h |
+#define CCQuadCuller_h |
+ |
+#include "cc/CCRenderPass.h" |
+ |
+namespace WebCore { |
+class CCLayerImpl; |
+class CCOverdrawMetrics; |
+ |
+class CCQuadCuller { |
+public: |
+ // Passing 0 for CCOverdrawCounts* is valid, and disable the extra computation |
+ // done to estimate over draw statistics. |
+ CCQuadCuller(CCQuadList&, CCLayerImpl*, const CCOcclusionTrackerImpl*, bool showCullingWithDebugBorderQuads); |
+ |
+ // Returns true if the quad is added to the list, and false if the quad is entirely culled. |
+ virtual bool append(PassOwnPtr<CCDrawQuad> passDrawQuad); |
+ virtual bool appendSurface(PassOwnPtr<CCDrawQuad> passDrawQuad); |
+ |
+private: |
+ CCQuadList& m_quadList; |
+ CCLayerImpl* m_layer; |
+ const CCOcclusionTrackerImpl* m_occlusionTracker; |
+ bool m_showCullingWithDebugBorderQuads; |
+}; |
+ |
+} |
+#endif // CCQuadCuller_h |