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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "cc/trees/occlusion_tracker.h" | 5 #include "cc/trees/occlusion_tracker.h" |
6 | 6 |
7 #include "base/time/time.h" | 7 #include "base/time/time.h" |
8 #include "cc/debug/lap_timer.h" | 8 #include "cc/debug/lap_timer.h" |
9 #include "cc/layers/layer_iterator.h" | 9 #include "cc/layers/layer_iterator.h" |
10 #include "cc/layers/solid_color_layer_impl.h" | 10 #include "cc/layers/solid_color_layer_impl.h" |
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99 LayerIteratorPosition<LayerImpl> pos = begin; | 99 LayerIteratorPosition<LayerImpl> pos = begin; |
100 | 100 |
101 // The opaque_layer adds occlusion over the whole viewport. | 101 // The opaque_layer adds occlusion over the whole viewport. |
102 tracker.EnterLayer(pos); | 102 tracker.EnterLayer(pos); |
103 tracker.LeaveLayer(pos); | 103 tracker.LeaveLayer(pos); |
104 | 104 |
105 gfx::Transform transform_to_target; | 105 gfx::Transform transform_to_target; |
106 transform_to_target.Translate(0, 96); | 106 transform_to_target.Translate(0, 96); |
107 | 107 |
108 do { | 108 do { |
| 109 Occlusion occlusion = |
| 110 tracker.GetCurrentOcclusionForLayer(transform_to_target); |
109 for (int x = 0; x < viewport_rect.width(); x += 256) { | 111 for (int x = 0; x < viewport_rect.width(); x += 256) { |
110 for (int y = 0; y < viewport_rect.height(); y += 256) { | 112 for (int y = 0; y < viewport_rect.height(); y += 256) { |
111 gfx::Rect query_content_rect(x, y, 256, 256); | 113 gfx::Rect query_content_rect(x, y, 256, 256); |
112 gfx::Rect unoccluded = tracker.UnoccludedContentRect( | 114 gfx::Rect unoccluded = |
113 query_content_rect, transform_to_target); | 115 occlusion.GetUnoccludedContentRect(query_content_rect); |
114 // Sanity test that we're not hitting early outs. | 116 // Sanity test that we're not hitting early outs. |
115 bool expect_empty = | 117 bool expect_empty = |
116 query_content_rect.right() <= viewport_rect.width() && | 118 query_content_rect.right() <= viewport_rect.width() && |
117 query_content_rect.bottom() + 96 <= viewport_rect.height(); | 119 query_content_rect.bottom() + 96 <= viewport_rect.height(); |
118 CHECK_EQ(expect_empty, unoccluded.IsEmpty()) | 120 CHECK_EQ(expect_empty, unoccluded.IsEmpty()) |
119 << query_content_rect.ToString(); | 121 << query_content_rect.ToString(); |
120 } | 122 } |
121 } | 123 } |
122 | 124 |
123 timer_.NextLap(); | 125 timer_.NextLap(); |
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174 ++begin; | 176 ++begin; |
175 } | 177 } |
176 LayerIteratorPosition<LayerImpl> pos = begin; | 178 LayerIteratorPosition<LayerImpl> pos = begin; |
177 tracker.EnterLayer(pos); | 179 tracker.EnterLayer(pos); |
178 tracker.LeaveLayer(pos); | 180 tracker.LeaveLayer(pos); |
179 | 181 |
180 gfx::Transform transform_to_target; | 182 gfx::Transform transform_to_target; |
181 transform_to_target.Translate(0, 96); | 183 transform_to_target.Translate(0, 96); |
182 | 184 |
183 do { | 185 do { |
| 186 Occlusion occlusion = |
| 187 tracker.GetCurrentOcclusionForLayer(transform_to_target); |
184 for (int x = 0; x < viewport_rect.width(); x += 256) { | 188 for (int x = 0; x < viewport_rect.width(); x += 256) { |
185 for (int y = 0; y < viewport_rect.height(); y += 256) { | 189 for (int y = 0; y < viewport_rect.height(); y += 256) { |
186 gfx::Rect query_content_rect(x, y, 256, 256); | 190 gfx::Rect query_content_rect(x, y, 256, 256); |
187 gfx::Rect unoccluded = tracker.UnoccludedContentRect( | 191 gfx::Rect unoccluded = |
188 query_content_rect, transform_to_target); | 192 occlusion.GetUnoccludedContentRect(query_content_rect); |
189 } | 193 } |
190 } | 194 } |
191 | 195 |
192 timer_.NextLap(); | 196 timer_.NextLap(); |
193 } while (!timer_.HasTimeLimitExpired()); | 197 } while (!timer_.HasTimeLimitExpired()); |
194 | 198 |
195 ++begin; | 199 ++begin; |
196 LayerIteratorPosition<LayerImpl> next = begin; | 200 LayerIteratorPosition<LayerImpl> next = begin; |
197 EXPECT_EQ(active_tree()->root_layer(), next.current_layer); | 201 EXPECT_EQ(active_tree()->root_layer(), next.current_layer); |
198 | 202 |
199 ++begin; | 203 ++begin; |
200 EXPECT_EQ(end, begin); | 204 EXPECT_EQ(end, begin); |
201 | 205 |
202 PrintResults(); | 206 PrintResults(); |
203 } | 207 } |
204 | 208 |
205 } // namespace | 209 } // namespace |
206 } // namespace cc | 210 } // namespace cc |
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