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1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "cc/resources/pixel_ref_map.h" | |
6 | |
7 #include "base/memory/ref_counted.h" | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "base/values.h" | |
10 #include "cc/resources/picture.h" | |
11 #include "cc/test/fake_content_layer_client.h" | |
12 #include "cc/test/skia_common.h" | |
13 #include "testing/gtest/include/gtest/gtest.h" | |
14 #include "third_party/skia/include/core/SkGraphics.h" | |
15 #include "ui/gfx/geometry/rect.h" | |
16 #include "ui/gfx/skia_util.h" | |
17 | |
18 namespace cc { | |
19 namespace { | |
20 | |
21 TEST(PixelRefMapTest, PixelRefMapIterator) { | |
22 gfx::Rect layer_rect(2048, 2048); | |
23 | |
24 gfx::Size tile_grid_size(512, 512); | |
25 | |
26 FakeContentLayerClient content_layer_client; | |
27 | |
28 // Discardable pixel refs are found in the following grids: | |
29 // |---|---|---|---| | |
30 // | | x | | x | | |
31 // |---|---|---|---| | |
32 // | x | | x | | | |
33 // |---|---|---|---| | |
34 // | | x | | x | | |
35 // |---|---|---|---| | |
36 // | x | | x | | | |
37 // |---|---|---|---| | |
38 SkBitmap discardable_bitmap[4][4]; | |
39 for (int y = 0; y < 4; ++y) { | |
40 for (int x = 0; x < 4; ++x) { | |
41 if ((x + y) & 1) { | |
42 CreateBitmap(gfx::Size(500, 500), "discardable", | |
43 &discardable_bitmap[y][x]); | |
44 SkPaint paint; | |
45 content_layer_client.add_draw_bitmap( | |
46 discardable_bitmap[y][x], gfx::Point(x * 512 + 6, y * 512 + 6), | |
47 paint); | |
48 } | |
49 } | |
50 } | |
51 | |
52 scoped_refptr<Picture> picture = | |
53 Picture::Create(layer_rect, &content_layer_client, tile_grid_size, true, | |
54 RecordingSource::RECORD_NORMALLY); | |
55 | |
56 // Default iterator does not have any pixel refs. | |
57 { | |
58 PixelRefMap::Iterator iterator; | |
59 EXPECT_FALSE(iterator); | |
60 } | |
61 | |
62 for (int y = 0; y < 4; ++y) { | |
63 for (int x = 0; x < 4; ++x) { | |
64 PixelRefMap::Iterator iterator(gfx::Rect(x * 512, y * 512, 500, 500), | |
65 picture.get()); | |
66 if ((x + y) & 1) { | |
67 EXPECT_TRUE(iterator) << x << " " << y; | |
68 EXPECT_TRUE(*iterator == discardable_bitmap[y][x].pixelRef()) | |
69 << x << " " << y; | |
70 EXPECT_FALSE(++iterator) << x << " " << y; | |
71 } else { | |
72 EXPECT_FALSE(iterator) << x << " " << y; | |
73 } | |
74 } | |
75 } | |
76 // Capture 4 pixel refs. | |
77 { | |
78 PixelRefMap::Iterator iterator(gfx::Rect(512, 512, 2048, 2048), | |
79 picture.get()); | |
80 EXPECT_TRUE(iterator); | |
81 EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); | |
82 EXPECT_TRUE(++iterator); | |
83 EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); | |
84 EXPECT_TRUE(++iterator); | |
85 EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); | |
86 EXPECT_TRUE(++iterator); | |
87 EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); | |
88 EXPECT_FALSE(++iterator); | |
89 } | |
90 | |
91 // Copy test. | |
92 PixelRefMap::Iterator iterator(gfx::Rect(512, 512, 2048, 2048), | |
93 picture.get()); | |
94 EXPECT_TRUE(iterator); | |
95 EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); | |
96 EXPECT_TRUE(++iterator); | |
97 EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); | |
98 | |
99 // copy now points to the same spot as iterator, | |
100 // but both can be incremented independently. | |
101 PixelRefMap::Iterator copy = iterator; | |
102 EXPECT_TRUE(++iterator); | |
103 EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); | |
104 EXPECT_TRUE(++iterator); | |
105 EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); | |
106 EXPECT_FALSE(++iterator); | |
107 | |
108 EXPECT_TRUE(copy); | |
109 EXPECT_TRUE(*copy == discardable_bitmap[2][1].pixelRef()); | |
110 EXPECT_TRUE(++copy); | |
111 EXPECT_TRUE(*copy == discardable_bitmap[2][3].pixelRef()); | |
112 EXPECT_TRUE(++copy); | |
113 EXPECT_TRUE(*copy == discardable_bitmap[3][2].pixelRef()); | |
114 EXPECT_FALSE(++copy); | |
115 } | |
116 | |
117 TEST(PixelRefMapTest, PixelRefMapIteratorNonZeroLayer) { | |
118 gfx::Rect layer_rect(1024, 0, 2048, 2048); | |
119 | |
120 gfx::Size tile_grid_size(512, 512); | |
121 | |
122 FakeContentLayerClient content_layer_client; | |
123 | |
124 // Discardable pixel refs are found in the following grids: | |
125 // |---|---|---|---| | |
126 // | | x | | x | | |
127 // |---|---|---|---| | |
128 // | x | | x | | | |
129 // |---|---|---|---| | |
130 // | | x | | x | | |
131 // |---|---|---|---| | |
132 // | x | | x | | | |
133 // |---|---|---|---| | |
134 SkBitmap discardable_bitmap[4][4]; | |
135 for (int y = 0; y < 4; ++y) { | |
136 for (int x = 0; x < 4; ++x) { | |
137 if ((x + y) & 1) { | |
138 CreateBitmap(gfx::Size(500, 500), "discardable", | |
139 &discardable_bitmap[y][x]); | |
140 SkPaint paint; | |
141 content_layer_client.add_draw_bitmap( | |
142 discardable_bitmap[y][x], | |
143 gfx::Point(1024 + x * 512 + 6, y * 512 + 6), paint); | |
144 } | |
145 } | |
146 } | |
147 | |
148 scoped_refptr<Picture> picture = | |
149 Picture::Create(layer_rect, &content_layer_client, tile_grid_size, true, | |
150 RecordingSource::RECORD_NORMALLY); | |
151 | |
152 // Default iterator does not have any pixel refs. | |
153 { | |
154 PixelRefMap::Iterator iterator; | |
155 EXPECT_FALSE(iterator); | |
156 } | |
157 | |
158 for (int y = 0; y < 4; ++y) { | |
159 for (int x = 0; x < 4; ++x) { | |
160 PixelRefMap::Iterator iterator( | |
161 gfx::Rect(1024 + x * 512, y * 512, 500, 500), picture.get()); | |
162 if ((x + y) & 1) { | |
163 EXPECT_TRUE(iterator) << x << " " << y; | |
164 EXPECT_TRUE(*iterator == discardable_bitmap[y][x].pixelRef()); | |
165 EXPECT_FALSE(++iterator) << x << " " << y; | |
166 } else { | |
167 EXPECT_FALSE(iterator) << x << " " << y; | |
168 } | |
169 } | |
170 } | |
171 // Capture 4 pixel refs. | |
172 { | |
173 PixelRefMap::Iterator iterator(gfx::Rect(1024 + 512, 512, 2048, 2048), | |
174 picture.get()); | |
175 EXPECT_TRUE(iterator); | |
176 EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); | |
177 EXPECT_TRUE(++iterator); | |
178 EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); | |
179 EXPECT_TRUE(++iterator); | |
180 EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); | |
181 EXPECT_TRUE(++iterator); | |
182 EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); | |
183 EXPECT_FALSE(++iterator); | |
184 } | |
185 | |
186 // Copy test. | |
187 { | |
188 PixelRefMap::Iterator iterator(gfx::Rect(1024 + 512, 512, 2048, 2048), | |
189 picture.get()); | |
190 EXPECT_TRUE(iterator); | |
191 EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); | |
192 EXPECT_TRUE(++iterator); | |
193 EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); | |
194 | |
195 // copy now points to the same spot as iterator, | |
196 // but both can be incremented independently. | |
197 PixelRefMap::Iterator copy = iterator; | |
198 EXPECT_TRUE(++iterator); | |
199 EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); | |
200 EXPECT_TRUE(++iterator); | |
201 EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); | |
202 EXPECT_FALSE(++iterator); | |
203 | |
204 EXPECT_TRUE(copy); | |
205 EXPECT_TRUE(*copy == discardable_bitmap[2][1].pixelRef()); | |
206 EXPECT_TRUE(++copy); | |
207 EXPECT_TRUE(*copy == discardable_bitmap[2][3].pixelRef()); | |
208 EXPECT_TRUE(++copy); | |
209 EXPECT_TRUE(*copy == discardable_bitmap[3][2].pixelRef()); | |
210 EXPECT_FALSE(++copy); | |
211 } | |
212 | |
213 // Non intersecting rects | |
214 { | |
215 PixelRefMap::Iterator iterator(gfx::Rect(0, 0, 1000, 1000), picture.get()); | |
216 EXPECT_FALSE(iterator); | |
217 } | |
218 { | |
219 PixelRefMap::Iterator iterator(gfx::Rect(3500, 0, 1000, 1000), | |
220 picture.get()); | |
221 EXPECT_FALSE(iterator); | |
222 } | |
223 { | |
224 PixelRefMap::Iterator iterator(gfx::Rect(0, 1100, 1000, 1000), | |
225 picture.get()); | |
226 EXPECT_FALSE(iterator); | |
227 } | |
228 { | |
229 PixelRefMap::Iterator iterator(gfx::Rect(3500, 1100, 1000, 1000), | |
230 picture.get()); | |
231 EXPECT_FALSE(iterator); | |
232 } | |
233 } | |
234 | |
235 TEST(PixelRefMapTest, PixelRefMapIteratorOnePixelQuery) { | |
236 gfx::Rect layer_rect(2048, 2048); | |
237 | |
238 gfx::Size tile_grid_size(512, 512); | |
239 | |
240 FakeContentLayerClient content_layer_client; | |
241 | |
242 // Discardable pixel refs are found in the following grids: | |
243 // |---|---|---|---| | |
244 // | | x | | x | | |
245 // |---|---|---|---| | |
246 // | x | | x | | | |
247 // |---|---|---|---| | |
248 // | | x | | x | | |
249 // |---|---|---|---| | |
250 // | x | | x | | | |
251 // |---|---|---|---| | |
252 SkBitmap discardable_bitmap[4][4]; | |
253 for (int y = 0; y < 4; ++y) { | |
254 for (int x = 0; x < 4; ++x) { | |
255 if ((x + y) & 1) { | |
256 CreateBitmap(gfx::Size(500, 500), "discardable", | |
257 &discardable_bitmap[y][x]); | |
258 SkPaint paint; | |
259 content_layer_client.add_draw_bitmap( | |
260 discardable_bitmap[y][x], gfx::Point(x * 512 + 6, y * 512 + 6), | |
261 paint); | |
262 } | |
263 } | |
264 } | |
265 | |
266 scoped_refptr<Picture> picture = | |
267 Picture::Create(layer_rect, &content_layer_client, tile_grid_size, true, | |
268 RecordingSource::RECORD_NORMALLY); | |
269 | |
270 // Default iterator does not have any pixel refs. | |
271 { | |
272 PixelRefMap::Iterator iterator; | |
273 EXPECT_FALSE(iterator); | |
274 } | |
275 | |
276 for (int y = 0; y < 4; ++y) { | |
277 for (int x = 0; x < 4; ++x) { | |
278 PixelRefMap::Iterator iterator(gfx::Rect(x * 512, y * 512 + 256, 1, 1), | |
279 picture.get()); | |
280 if ((x + y) & 1) { | |
281 EXPECT_TRUE(iterator) << x << " " << y; | |
282 EXPECT_TRUE(*iterator == discardable_bitmap[y][x].pixelRef()); | |
283 EXPECT_FALSE(++iterator) << x << " " << y; | |
284 } else { | |
285 EXPECT_FALSE(iterator) << x << " " << y; | |
286 } | |
287 } | |
288 } | |
289 } | |
290 | |
291 } // namespace | |
292 } // namespace cc | |
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