Index: cc/priority_calculator.h |
diff --git a/cc/priority_calculator.h b/cc/priority_calculator.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..45f2e64a649bd0944eb496d4b3395976364daf41 100644 |
--- a/cc/priority_calculator.h |
+++ b/cc/priority_calculator.h |
@@ -1,3 +1,32 @@ |
-// Copyright 2012 The Chromium Authors. All rights reserved. |
+// Copyright 2010 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 CCPriorityCalculator_h |
+#define CCPriorityCalculator_h |
+ |
+#include "GraphicsContext3D.h" |
+#include "IntRect.h" |
+#include "IntSize.h" |
+ |
+namespace cc { |
+ |
+class CCPriorityCalculator { |
+public: |
+ static int uiPriority(bool drawsToRootSurface); |
+ static int visiblePriority(bool drawsToRootSurface); |
+ static int renderSurfacePriority(); |
+ static int lingeringPriority(int previousPriority); |
+ static int priorityFromDistance(const IntRect& visibleRect, const IntRect& textureRect, bool drawsToRootSurface); |
+ static int smallAnimatedLayerMinPriority(); |
+ |
+ static inline int highestPriority() { return std::numeric_limits<int>::min(); } |
+ static inline int lowestPriority() { return std::numeric_limits<int>::max(); } |
+ static inline bool priorityIsLower(int a, int b) { return a > b; } |
+ static inline bool priorityIsHigher(int a, int b) { return a < b; } |
+ static inline bool maxPriority(int a, int b) { return priorityIsHigher(a, b) ? a : b; } |
+}; |
+ |
+} |
+ |
+#endif |