solid_color_analyzer_unittest.cc 14 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448
  1. // Copyright 2017 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. #include "cc/paint/solid_color_analyzer.h"
  5. #include "base/memory/ref_counted.h"
  6. #include "build/build_config.h"
  7. #include "cc/paint/display_item_list.h"
  8. #include "cc/paint/paint_filter.h"
  9. #include "cc/paint/record_paint_canvas.h"
  10. #include "testing/gtest/include/gtest/gtest.h"
  11. #include "third_party/abseil-cpp/absl/types/optional.h"
  12. #include "ui/gfx/geometry/skia_conversions.h"
  13. namespace cc {
  14. namespace {
  15. class SolidColorAnalyzerTest : public testing::Test {
  16. public:
  17. void SetUp() override {
  18. display_item_list_ = base::MakeRefCounted<DisplayItemList>(
  19. DisplayItemList::kToBeReleasedAsPaintOpBuffer);
  20. display_item_list_->StartPaint();
  21. }
  22. void TearDown() override {
  23. Finalize();
  24. canvas_.reset();
  25. display_item_list_ = nullptr;
  26. buffer_ = nullptr;
  27. }
  28. void Reset() {
  29. TearDown();
  30. SetUp();
  31. }
  32. void Initialize(const gfx::Rect& rect = gfx::Rect(0, 0, 100, 100)) {
  33. canvas_.emplace(display_item_list_.get(), gfx::RectToSkRect(rect));
  34. rect_ = rect;
  35. }
  36. RecordPaintCanvas* canvas() { return &*canvas_; }
  37. bool IsSolidColor(int max_ops_to_analyze = 1) {
  38. Finalize();
  39. auto color = SolidColorAnalyzer::DetermineIfSolidColor(
  40. buffer_.get(), rect_, max_ops_to_analyze, nullptr);
  41. return !!color;
  42. }
  43. SkColor4f GetColor(int max_ops_to_analyze = 1) {
  44. Finalize();
  45. auto color = SolidColorAnalyzer::DetermineIfSolidColor(
  46. buffer_.get(), rect_, max_ops_to_analyze, nullptr);
  47. EXPECT_TRUE(color);
  48. return color ? *color : SkColors::kTransparent;
  49. }
  50. private:
  51. void Finalize() {
  52. if (buffer_)
  53. return;
  54. display_item_list_->EndPaintOfUnpaired(gfx::Rect());
  55. display_item_list_->Finalize();
  56. buffer_ = display_item_list_->ReleaseAsRecord();
  57. }
  58. gfx::Rect rect_;
  59. scoped_refptr<DisplayItemList> display_item_list_;
  60. sk_sp<PaintOpBuffer> buffer_;
  61. absl::optional<RecordPaintCanvas> canvas_;
  62. absl::optional<SolidColorAnalyzer> analyzer_;
  63. };
  64. TEST_F(SolidColorAnalyzerTest, Empty) {
  65. Initialize();
  66. EXPECT_EQ(SkColors::kTransparent, GetColor());
  67. }
  68. TEST_F(SolidColorAnalyzerTest, ClearTransparent) {
  69. Initialize();
  70. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(0, 12, 34, 56));
  71. canvas()->clear(color);
  72. EXPECT_EQ(SkColors::kTransparent, GetColor());
  73. }
  74. TEST_F(SolidColorAnalyzerTest, ClearSolid) {
  75. Initialize();
  76. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 65, 43, 21));
  77. canvas()->clear(color);
  78. EXPECT_EQ(color, GetColor());
  79. }
  80. TEST_F(SolidColorAnalyzerTest, ClearTranslucent) {
  81. Initialize();
  82. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(128, 11, 22, 33));
  83. canvas()->clear(color);
  84. #if BUILDFLAG(IS_MAC)
  85. // TODO(andrescj): remove the special treatment of OS_MAC once
  86. // https://crbug.com/922899 is fixed.
  87. EXPECT_FALSE(IsSolidColor());
  88. #else
  89. EXPECT_EQ(color, GetColor());
  90. #endif // BUILDFLAG(IS_MAC)
  91. }
  92. TEST_F(SolidColorAnalyzerTest, DrawColor) {
  93. Initialize();
  94. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  95. canvas()->drawColor(color);
  96. EXPECT_EQ(color, GetColor());
  97. }
  98. TEST_F(SolidColorAnalyzerTest, DrawOval) {
  99. Initialize();
  100. PaintFlags flags;
  101. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  102. flags.setColor(color);
  103. canvas()->drawOval(SkRect::MakeWH(100, 100), flags);
  104. EXPECT_FALSE(IsSolidColor());
  105. }
  106. TEST_F(SolidColorAnalyzerTest, DrawRect) {
  107. Initialize();
  108. PaintFlags flags;
  109. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  110. flags.setColor(color);
  111. SkRect rect = SkRect::MakeWH(200, 200);
  112. canvas()->clipRect(rect, SkClipOp::kIntersect, false);
  113. canvas()->drawRect(rect, flags);
  114. EXPECT_EQ(color, GetColor());
  115. }
  116. // TODO(vmpstr): Generalize the DrawRect test cases so that we can test both
  117. // Rect and RRect.
  118. TEST_F(SolidColorAnalyzerTest, DrawRRect) {
  119. SkRect rect = SkRect::MakeWH(200, 200);
  120. SkRRect rrect;
  121. rrect.setRectXY(rect, 5, 5);
  122. gfx::Rect canvas_rect(5, 5, 190, 190);
  123. Initialize(canvas_rect);
  124. PaintFlags flags;
  125. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  126. flags.setColor(color);
  127. canvas()->drawRRect(rrect, flags);
  128. EXPECT_EQ(color, GetColor());
  129. }
  130. TEST_F(SolidColorAnalyzerTest, DrawRectClipped) {
  131. Initialize();
  132. PaintFlags flags;
  133. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  134. flags.setColor(color);
  135. SkRect rect = SkRect::MakeWH(200, 200);
  136. canvas()->clipRect(SkRect::MakeWH(50, 50), SkClipOp::kIntersect, false);
  137. canvas()->drawRect(rect, flags);
  138. EXPECT_FALSE(IsSolidColor());
  139. }
  140. TEST_F(SolidColorAnalyzerTest, DrawRectClippedDifference) {
  141. Initialize();
  142. PaintFlags flags;
  143. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  144. flags.setColor(color);
  145. SkRect drawRect = SkRect::MakeWH(200, 200);
  146. canvas()->clipRect(drawRect, SkClipOp::kIntersect, false);
  147. SkRect differenceRect = SkRect::MakeXYWH(50, 50, 200, 200);
  148. // Using difference should always make this fail.
  149. canvas()->clipRect(differenceRect, SkClipOp::kDifference, false);
  150. canvas()->drawRect(drawRect, flags);
  151. EXPECT_FALSE(IsSolidColor());
  152. }
  153. TEST_F(SolidColorAnalyzerTest, DrawRectWithTranslateNotSolid) {
  154. Initialize();
  155. PaintFlags flags;
  156. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  157. flags.setColor(color);
  158. SkRect rect = SkRect::MakeWH(100, 100);
  159. canvas()->translate(1, 1);
  160. canvas()->drawRect(rect, flags);
  161. EXPECT_FALSE(IsSolidColor());
  162. }
  163. TEST_F(SolidColorAnalyzerTest, DrawRectWithTranslateSolid) {
  164. Initialize();
  165. PaintFlags flags;
  166. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  167. flags.setColor(color);
  168. SkRect rect = SkRect::MakeWH(101, 101);
  169. canvas()->translate(1, 1);
  170. canvas()->drawRect(rect, flags);
  171. EXPECT_FALSE(IsSolidColor());
  172. }
  173. TEST_F(SolidColorAnalyzerTest, TwoOpsNotSolid) {
  174. Initialize();
  175. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 65, 43, 21));
  176. canvas()->clear(color);
  177. canvas()->clear(color);
  178. EXPECT_FALSE(IsSolidColor());
  179. }
  180. TEST_F(SolidColorAnalyzerTest, DrawRectBlendModeClear) {
  181. Initialize();
  182. PaintFlags flags;
  183. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  184. flags.setColor(color);
  185. flags.setBlendMode(SkBlendMode::kClear);
  186. SkRect rect = SkRect::MakeWH(200, 200);
  187. canvas()->drawRect(rect, flags);
  188. EXPECT_EQ(SkColors::kTransparent, GetColor());
  189. }
  190. TEST_F(SolidColorAnalyzerTest, DrawRectBlendModeSrcOver) {
  191. Initialize();
  192. PaintFlags flags;
  193. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  194. flags.setColor(color);
  195. flags.setBlendMode(SkBlendMode::kSrcOver);
  196. SkRect rect = SkRect::MakeWH(200, 200);
  197. canvas()->drawRect(rect, flags);
  198. EXPECT_EQ(color, GetColor());
  199. }
  200. TEST_F(SolidColorAnalyzerTest, DrawRectRotated) {
  201. Initialize();
  202. PaintFlags flags;
  203. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  204. flags.setColor(color);
  205. SkRect rect = SkRect::MakeWH(200, 200);
  206. canvas()->rotate(50);
  207. canvas()->drawRect(rect, flags);
  208. EXPECT_FALSE(IsSolidColor());
  209. }
  210. TEST_F(SolidColorAnalyzerTest, DrawRectScaledNotSolid) {
  211. Initialize();
  212. PaintFlags flags;
  213. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  214. flags.setColor(color);
  215. SkRect rect = SkRect::MakeWH(200, 200);
  216. canvas()->scale(0.1f, 0.1f);
  217. canvas()->drawRect(rect, flags);
  218. EXPECT_FALSE(IsSolidColor());
  219. }
  220. TEST_F(SolidColorAnalyzerTest, DrawRectScaledSolid) {
  221. Initialize();
  222. PaintFlags flags;
  223. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  224. flags.setColor(color);
  225. SkRect rect = SkRect::MakeWH(10, 10);
  226. canvas()->scale(10, 10);
  227. canvas()->drawRect(rect, flags);
  228. EXPECT_EQ(color, GetColor());
  229. }
  230. TEST_F(SolidColorAnalyzerTest, DrawRectFilterPaint) {
  231. Initialize();
  232. PaintFlags flags;
  233. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  234. flags.setColor(color);
  235. flags.setImageFilter(sk_make_sp<OffsetPaintFilter>(10, 10, nullptr));
  236. SkRect rect = SkRect::MakeWH(200, 200);
  237. canvas()->drawRect(rect, flags);
  238. EXPECT_FALSE(IsSolidColor());
  239. }
  240. TEST_F(SolidColorAnalyzerTest, DrawRectClipPath) {
  241. Initialize();
  242. PaintFlags flags;
  243. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  244. flags.setColor(color);
  245. SkPath path;
  246. path.moveTo(0, 0);
  247. path.lineTo(128, 50);
  248. path.lineTo(255, 0);
  249. path.lineTo(255, 255);
  250. path.lineTo(0, 255);
  251. SkRect rect = SkRect::MakeWH(200, 200);
  252. canvas()->clipPath(path, SkClipOp::kIntersect);
  253. canvas()->drawRect(rect, flags);
  254. EXPECT_FALSE(IsSolidColor());
  255. }
  256. TEST_F(SolidColorAnalyzerTest, DrawRectTranslucent) {
  257. Initialize();
  258. PaintFlags flags;
  259. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(128, 128, 0, 0));
  260. flags.setColor(color);
  261. SkRect rect = SkRect::MakeWH(100, 100);
  262. canvas()->drawRect(rect, flags);
  263. #if BUILDFLAG(IS_MAC)
  264. // TODO(andrescj): remove the special treatment of OS_MAC once
  265. // https://crbug.com/922899 is fixed.
  266. EXPECT_FALSE(IsSolidColor());
  267. #else
  268. EXPECT_EQ(color, GetColor());
  269. #endif // BUILDFLAG(IS_MAC)
  270. }
  271. TEST_F(SolidColorAnalyzerTest, DrawRectTranslucentOverNonSolid) {
  272. Initialize();
  273. PaintFlags flags;
  274. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 128, 0, 0));
  275. flags.setColor(color);
  276. SkRect rect = SkRect::MakeWH(100, 50);
  277. canvas()->drawRect(rect, flags);
  278. color = SkColor4f::FromColor(SkColorSetARGB(128, 0, 128, 0));
  279. flags.setColor(color);
  280. rect = SkRect::MakeWH(100, 100);
  281. canvas()->drawRect(rect, flags);
  282. EXPECT_FALSE(IsSolidColor(2 /* max_ops_to_analyze */));
  283. }
  284. TEST_F(SolidColorAnalyzerTest, DrawRectOpaqueOccludesNonSolid) {
  285. Initialize();
  286. PaintFlags flags;
  287. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 128, 0, 0));
  288. flags.setColor(color);
  289. SkRect rect = SkRect::MakeWH(100, 50);
  290. canvas()->drawRect(rect, flags);
  291. color = SkColor4f::FromColor(SkColorSetARGB(255, 0, 128, 0));
  292. flags.setColor(color);
  293. rect = SkRect::MakeWH(100, 100);
  294. canvas()->drawRect(rect, flags);
  295. EXPECT_EQ(color, GetColor(2 /* max_ops_to_analyze */));
  296. }
  297. TEST_F(SolidColorAnalyzerTest, DrawRectSolidWithSrcOverBlending) {
  298. Initialize();
  299. PaintFlags flags;
  300. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(64, 40, 50, 60));
  301. flags.setColor(color);
  302. SkRect rect = SkRect::MakeWH(100, 100);
  303. canvas()->drawRect(rect, flags);
  304. color = SkColor4f::FromColor(SkColorSetARGB(128, 10, 20, 30));
  305. flags.setColor(color);
  306. rect = SkRect::MakeWH(100, 100);
  307. canvas()->drawRect(rect, flags);
  308. #if BUILDFLAG(IS_MAC)
  309. // TODO(andrescj): remove the special treatment of OS_MAC once
  310. // https://crbug.com/922899 is fixed.
  311. EXPECT_FALSE(IsSolidColor());
  312. #else
  313. // Float precision makes testing for equality a pain, so we'll just use ints
  314. EXPECT_EQ(SkColorSetARGB(160, 16, 26, 36),
  315. GetColor(2 /* max_ops_to_analyze */).toSkColor());
  316. #endif // BUILDFLAG(IS_MAC)
  317. }
  318. TEST_F(SolidColorAnalyzerTest, SaveLayer) {
  319. Initialize();
  320. PaintFlags flags;
  321. SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
  322. flags.setColor(color);
  323. SkRect rect = SkRect::MakeWH(200, 200);
  324. canvas()->saveLayer(&rect, &flags);
  325. EXPECT_FALSE(IsSolidColor());
  326. }
  327. TEST_F(SolidColorAnalyzerTest, ClipRRectCoversCanvas) {
  328. SkVector radii[4] = {
  329. SkVector::Make(10.0, 15.0), SkVector::Make(20.0, 25.0),
  330. SkVector::Make(30.0, 35.0), SkVector::Make(40.0, 45.0),
  331. };
  332. SkVector radii_scale[4] = {
  333. SkVector::Make(100.0, 150.0), SkVector::Make(200.0, 250.0),
  334. SkVector::Make(300.0, 350.0), SkVector::Make(400.0, 450.0),
  335. };
  336. int rr_size = 600;
  337. int canvas_size = 255;
  338. gfx::Rect canvas_rect(canvas_size, canvas_size);
  339. PaintFlags flags;
  340. flags.setColor(SkColors::kWhite);
  341. struct {
  342. SkVector offset;
  343. SkVector offset_scale;
  344. bool expected;
  345. } cases[] = {
  346. // Not within bounding box of |rr|.
  347. {SkVector::Make(100, 100), SkVector::Make(100, 100), false},
  348. // Intersects UL corner.
  349. {SkVector::Make(0, 0), SkVector::Make(0, 0), false},
  350. // Between UL and UR.
  351. {SkVector::Make(-50, 0), SkVector::Make(-50, -15), true},
  352. // Intersects UR corner.
  353. {SkVector::Make(canvas_size - rr_size, 0),
  354. SkVector::Make(canvas_size - rr_size, 0), false},
  355. // Between UR and LR.
  356. {SkVector::Make(canvas_size - rr_size, -50), SkVector::Make(-305, -80),
  357. true},
  358. // Intersects LR corner.
  359. {SkVector::Make(canvas_size - rr_size, canvas_size - rr_size),
  360. SkVector::Make(canvas_size - rr_size, canvas_size - rr_size), false},
  361. // Between LL and LR
  362. {SkVector::Make(-50, canvas_size - rr_size), SkVector::Make(-205, -310),
  363. true},
  364. // Intersects LL corner
  365. {SkVector::Make(0, canvas_size - rr_size),
  366. SkVector::Make(0, canvas_size - rr_size), false},
  367. // Between UL and LL
  368. {SkVector::Make(0, -50), SkVector::Make(-15, -60), true},
  369. // In center
  370. {SkVector::Make(-100, -100), SkVector::Make(-100, -100), true},
  371. };
  372. for (int case_scale = 0; case_scale < 2; ++case_scale) {
  373. bool scaled = case_scale > 0;
  374. for (size_t i = 0; i < std::size(cases); ++i) {
  375. Reset();
  376. Initialize(canvas_rect);
  377. SkRect bounding_rect = SkRect::MakeXYWH(
  378. scaled ? cases[i].offset_scale.x() : cases[i].offset.x(),
  379. scaled ? cases[i].offset_scale.y() : cases[i].offset.y(), rr_size,
  380. rr_size);
  381. SkRRect rr;
  382. rr.setRectRadii(bounding_rect, scaled ? radii_scale : radii);
  383. canvas()->clipRRect(rr, SkClipOp::kIntersect, false);
  384. canvas()->drawRect(RectToSkRect(canvas_rect), flags);
  385. EXPECT_EQ(cases[i].expected, IsSolidColor())
  386. << "Case " << i << ", " << scaled << " failed.";
  387. }
  388. }
  389. }
  390. } // namespace
  391. } // namespace cc