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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CCOverdrawMetrics_h | 5 #ifndef CCOverdrawMetrics_h |
6 #define CCOverdrawMetrics_h | 6 #define CCOverdrawMetrics_h |
7 | 7 |
8 #include <wtf/PassOwnPtr.h> | 8 #include <wtf/PassOwnPtr.h> |
9 | 9 |
10 namespace WebKit { | 10 namespace WebKit { |
11 class WebTransformationMatrix; | 11 class WebTransformationMatrix; |
12 } | 12 } |
13 | 13 |
14 namespace WebCore { | 14 namespace cc { |
15 class IntRect; | 15 class IntRect; |
16 class CCLayerTreeHost; | 16 class CCLayerTreeHost; |
17 class CCLayerTreeHostImpl; | 17 class CCLayerTreeHostImpl; |
18 | 18 |
19 // FIXME: compute overdraw metrics only occasionally, not every frame. | 19 // FIXME: compute overdraw metrics only occasionally, not every frame. |
20 class CCOverdrawMetrics { | 20 class CCOverdrawMetrics { |
21 public: | 21 public: |
22 static PassOwnPtr<CCOverdrawMetrics> create(bool recordMetricsForFrame) { re
turn adoptPtr(new CCOverdrawMetrics(recordMetricsForFrame)); } | 22 static PassOwnPtr<CCOverdrawMetrics> create(bool recordMetricsForFrame) { re
turn adoptPtr(new CCOverdrawMetrics(recordMetricsForFrame)); } |
23 | 23 |
24 // These methods are used for saving metrics during update/commit. | 24 // These methods are used for saving metrics during update/commit. |
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85 // These values are used for saving metrics during draw. | 85 // These values are used for saving metrics during draw. |
86 | 86 |
87 // Count of pixels that are opaque (and thus occlude). Ideally this is no mo
re than wiewport width x height. | 87 // Count of pixels that are opaque (and thus occlude). Ideally this is no mo
re than wiewport width x height. |
88 float m_pixelsDrawnOpaque; | 88 float m_pixelsDrawnOpaque; |
89 // Count of pixels that are possibly translucent, and cannot occlude. | 89 // Count of pixels that are possibly translucent, and cannot occlude. |
90 float m_pixelsDrawnTranslucent; | 90 float m_pixelsDrawnTranslucent; |
91 // Count of pixels not drawn as they are occluded by somthing opaque. | 91 // Count of pixels not drawn as they are occluded by somthing opaque. |
92 float m_pixelsCulledForDrawing; | 92 float m_pixelsCulledForDrawing; |
93 }; | 93 }; |
94 | 94 |
95 } // namespace WebCore | 95 } // namespace cc |
96 | 96 |
97 #endif | 97 #endif |
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