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| 1 // Copyright 2016 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 "modules/canvas2d/CanvasRenderingContext2D.h" | |
| 6 | |
| 7 #include "bindings/core/v8/V8BindingForCore.h" | |
| 8 #include "core/dom/Document.h" | |
| 9 #include "core/frame/FrameView.h" | |
| 10 #include "core/frame/Settings.h" | |
| 11 #include "core/html/HTMLCanvasElement.h" | |
| 12 #include "core/html/ImageData.h" | |
| 13 #include "core/loader/EmptyClients.h" | |
| 14 #include "core/testing/DummyPageHolder.h" | |
| 15 #include "modules/accessibility/AXObjectCacheImpl.h" | |
| 16 #include "modules/canvas2d/CanvasGradient.h" | |
| 17 #include "modules/canvas2d/CanvasPattern.h" | |
| 18 #include "modules/canvas2d/HitRegionOptions.h" | |
| 19 #include "modules/canvas2d/Path2D.h" | |
| 20 #include "modules/webgl/WebGLRenderingContext.h" | |
| 21 #include "platform/RuntimeEnabledFeatures.h" | |
| 22 #include "platform/graphics/StaticBitmapImage.h" | |
| 23 #include "platform/graphics/UnacceleratedImageBufferSurface.h" | |
| 24 #include "platform/loader/fetch/MemoryCache.h" | |
| 25 #include "testing/gmock/include/gmock/gmock.h" | |
| 26 #include "testing/gtest/include/gtest/gtest.h" | |
| 27 #include "third_party/skia/include/core/SkSurface.h" | |
| 28 | |
| 29 using ::testing::Mock; | |
| 30 | |
| 31 namespace blink { | |
| 32 namespace UsageTrackingTests { | |
| 33 | |
| 34 enum BitmapOpacity { kOpaqueBitmap, kTransparentBitmap }; | |
| 35 | |
| 36 class FakeImageSource : public CanvasImageSource { | |
| 37 public: | |
| 38 FakeImageSource(IntSize, BitmapOpacity); | |
| 39 | |
| 40 PassRefPtr<Image> GetSourceImageForCanvas(SourceImageStatus*, | |
| 41 AccelerationHint, | |
| 42 SnapshotReason, | |
| 43 const FloatSize&) override; | |
| 44 | |
| 45 bool WouldTaintOrigin( | |
| 46 SecurityOrigin* destination_security_origin) const override { | |
| 47 return false; | |
| 48 } | |
| 49 FloatSize ElementSize(const FloatSize&) const override { | |
| 50 return FloatSize(size_); | |
| 51 } | |
| 52 bool IsOpaque() const override { return is_opaque_; } | |
| 53 bool IsAccelerated() const override { return false; } | |
| 54 int SourceWidth() override { return size_.Width(); } | |
| 55 int SourceHeight() override { return size_.Height(); } | |
| 56 | |
| 57 ~FakeImageSource() override {} | |
| 58 | |
| 59 private: | |
| 60 IntSize size_; | |
| 61 RefPtr<Image> image_; | |
| 62 bool is_opaque_; | |
| 63 }; | |
| 64 | |
| 65 FakeImageSource::FakeImageSource(IntSize size, BitmapOpacity opacity) | |
| 66 : size_(size), is_opaque_(opacity == kOpaqueBitmap) { | |
| 67 sk_sp<SkSurface> surface( | |
| 68 SkSurface::MakeRasterN32Premul(size_.Width(), size_.Height())); | |
| 69 surface->getCanvas()->clear(opacity == kOpaqueBitmap ? SK_ColorWHITE | |
| 70 : SK_ColorTRANSPARENT); | |
| 71 image_ = StaticBitmapImage::Create(surface->makeImageSnapshot()); | |
| 72 } | |
| 73 | |
| 74 PassRefPtr<Image> FakeImageSource::GetSourceImageForCanvas( | |
| 75 SourceImageStatus* status, | |
| 76 AccelerationHint, | |
| 77 SnapshotReason, | |
| 78 const FloatSize&) { | |
| 79 if (status) | |
| 80 *status = kNormalSourceImageStatus; | |
| 81 return image_; | |
| 82 } | |
| 83 | |
| 84 class CanvasRenderingContextUsageTrackingTest : public ::testing::Test { | |
| 85 protected: | |
| 86 CanvasRenderingContextUsageTrackingTest(); | |
| 87 void SetUp() override; | |
| 88 | |
| 89 DummyPageHolder& Page() const { return *dummy_page_holder_; } | |
| 90 Document& GetDocument() const { return *document_; } | |
| 91 HTMLCanvasElement& CanvasElement() const { return *canvas_element_; } | |
| 92 CanvasRenderingContext2D* Context2d() const; | |
| 93 | |
| 94 void CreateContext(OpacityMode); | |
| 95 | |
| 96 FakeImageSource opaque_bitmap_; | |
| 97 FakeImageSource alpha_bitmap_; | |
| 98 Persistent<ImageData> full_image_data_; | |
| 99 void TearDown(); | |
| 100 | |
| 101 ScriptState* GetScriptState() { | |
| 102 return ToScriptStateForMainWorld(canvas_element_->GetFrame()); | |
| 103 } | |
| 104 | |
| 105 private: | |
| 106 std::shared_ptr<DummyPageHolder> dummy_page_holder_; | |
| 107 Persistent<Document> document_; | |
| 108 Persistent<HTMLCanvasElement> canvas_element_; | |
| 109 Persistent<MemoryCache> global_memory_cache_; | |
| 110 }; | |
| 111 | |
| 112 CanvasRenderingContextUsageTrackingTest:: | |
| 113 CanvasRenderingContextUsageTrackingTest() | |
| 114 : opaque_bitmap_(IntSize(10, 10), kOpaqueBitmap), | |
| 115 alpha_bitmap_(IntSize(10, 10), kTransparentBitmap) {} | |
| 116 | |
| 117 void CanvasRenderingContextUsageTrackingTest::TearDown() { | |
| 118 ThreadState::Current()->CollectGarbage(BlinkGC::kNoHeapPointersOnStack, | |
| 119 BlinkGC::kGCWithSweep, | |
| 120 BlinkGC::kForcedGC); | |
| 121 ReplaceMemoryCacheForTesting(global_memory_cache_.Release()); | |
| 122 } | |
| 123 | |
| 124 CanvasRenderingContext2D* CanvasRenderingContextUsageTrackingTest::Context2d() | |
| 125 const { | |
| 126 // If the following check fails, perhaps you forgot to call createContext | |
| 127 // in your test? | |
| 128 EXPECT_NE(nullptr, CanvasElement().RenderingContext()); | |
| 129 EXPECT_TRUE(CanvasElement().RenderingContext()->Is2d()); | |
| 130 return static_cast<CanvasRenderingContext2D*>( | |
| 131 CanvasElement().RenderingContext()); | |
| 132 } | |
| 133 | |
| 134 void CanvasRenderingContextUsageTrackingTest::CreateContext( | |
| 135 OpacityMode opacity_mode) { | |
| 136 String canvas_type("2d"); | |
| 137 CanvasContextCreationAttributes attributes; | |
| 138 attributes.setAlpha(opacity_mode == kNonOpaque); | |
| 139 canvas_element_->GetCanvasRenderingContext(canvas_type, attributes); | |
| 140 Context2d(); // Calling this for the checks | |
| 141 } | |
| 142 | |
| 143 void CanvasRenderingContextUsageTrackingTest::SetUp() { | |
| 144 Page::PageClients page_clients; | |
| 145 FillWithEmptyClients(page_clients); | |
| 146 dummy_page_holder_ = | |
| 147 DummyPageHolder::Create(IntSize(800, 600), &page_clients); | |
| 148 document_ = &dummy_page_holder_->GetDocument(); | |
| 149 document_->documentElement()->setInnerHTML( | |
| 150 "<body><canvas id='c'></canvas></body>"); | |
| 151 document_->View()->UpdateAllLifecyclePhases(); | |
| 152 canvas_element_ = toHTMLCanvasElement(document_->getElementById("c")); | |
| 153 full_image_data_ = ImageData::Create(IntSize(10, 10)); | |
| 154 | |
| 155 global_memory_cache_ = ReplaceMemoryCacheForTesting(MemoryCache::Create()); | |
| 156 | |
| 157 RuntimeEnabledFeatures::setEnableCanvas2dDynamicRenderingModeSwitchingEnabled( | |
| 158 true); | |
| 159 } | |
| 160 | |
| 161 TEST_F(CanvasRenderingContextUsageTrackingTest, FillTracking) { | |
| 162 CreateContext(kNonOpaque); | |
| 163 | |
| 164 int num_reps = 100; | |
| 165 for (int i = 0; i < num_reps; i++) { | |
| 166 Context2d()->beginPath(); | |
| 167 Context2d()->moveTo(1, 1); | |
| 168 Context2d()->lineTo(4, 1); | |
| 169 Context2d()->lineTo(4, 4); | |
| 170 Context2d()->lineTo(2, 2); | |
| 171 Context2d()->lineTo(1, 4); | |
| 172 Context2d()->fill(); // path is not convex | |
| 173 | |
| 174 Context2d()->fillText("Hello World!!!", 10, 10, 1); | |
| 175 Context2d()->fillRect(10, 10, 100, 100); | |
| 176 Context2d()->fillText("Hello World!!!", 10, 10); | |
| 177 | |
| 178 Context2d()->beginPath(); | |
| 179 Context2d()->moveTo(1, 1); | |
| 180 Context2d()->lineTo(4, 1); | |
| 181 Context2d()->lineTo(4, 4); | |
| 182 Context2d()->lineTo(1, 4); | |
| 183 Context2d()->fill(); // path is convex | |
| 184 | |
| 185 Context2d()->fillRect(10, 10, 100, 100); | |
| 186 } | |
| 187 | |
| 188 EXPECT_EQ(num_reps * 2, | |
| 189 Context2d() | |
| 190 ->GetUsage() | |
| 191 .num_draw_calls[BaseRenderingContext2D::kFillPath]); | |
| 192 EXPECT_EQ(num_reps * 2, | |
| 193 Context2d() | |
| 194 ->GetUsage() | |
| 195 .num_draw_calls[BaseRenderingContext2D::kFillRect]); | |
| 196 EXPECT_EQ(num_reps, Context2d()->GetUsage().num_non_convex_fill_path_calls); | |
| 197 EXPECT_EQ(num_reps * 2, | |
| 198 Context2d() | |
| 199 ->GetUsage() | |
| 200 .num_draw_calls[BaseRenderingContext2D::kFillText]); | |
| 201 | |
| 202 // areas | |
| 203 EXPECT_NEAR( | |
| 204 static_cast<double>(num_reps * (100 * 100) * 2), | |
| 205 Context2d() | |
| 206 ->GetUsage() | |
| 207 .bounding_box_area_draw_calls[BaseRenderingContext2D::kFillRect], | |
| 208 1.0); | |
| 209 EXPECT_NEAR( | |
| 210 static_cast<double>(num_reps * (2 * 100 + 2 * 100) * 2), | |
| 211 Context2d() | |
| 212 ->GetUsage() | |
| 213 .bounding_box_perimeter_draw_calls[BaseRenderingContext2D::kFillRect], | |
| 214 1.0); | |
| 215 | |
| 216 EXPECT_TRUE( | |
| 217 static_cast<double>(num_reps * (100 * 100) * 2) < | |
| 218 Context2d() | |
| 219 ->GetUsage() | |
| 220 .bounding_box_area_fill_type[BaseRenderingContext2D::kColorFillType]); | |
| 221 EXPECT_TRUE( | |
| 222 static_cast<double>(num_reps * (100 * 100) * 2) * 1.1 > | |
| 223 Context2d() | |
| 224 ->GetUsage() | |
| 225 .bounding_box_area_fill_type[BaseRenderingContext2D::kColorFillType]); | |
| 226 | |
| 227 EXPECT_NEAR( | |
| 228 static_cast<double>(num_reps * (3 * 3) * 2), | |
| 229 Context2d() | |
| 230 ->GetUsage() | |
| 231 .bounding_box_area_draw_calls[BaseRenderingContext2D::kFillPath], | |
| 232 1.0); | |
| 233 EXPECT_NEAR( | |
| 234 static_cast<double>(num_reps * (2 * 3 + 2 * 3) * 2), | |
| 235 Context2d() | |
| 236 ->GetUsage() | |
| 237 .bounding_box_perimeter_draw_calls[BaseRenderingContext2D::kFillPath], | |
| 238 1.0); | |
| 239 | |
| 240 EXPECT_TRUE(Context2d()->GetUsage().bounding_box_perimeter_draw_calls | |
| 241 [BaseRenderingContext2D::kFillText] > 0.0); | |
| 242 EXPECT_TRUE(Context2d()->GetUsage().bounding_box_perimeter_draw_calls | |
| 243 [BaseRenderingContext2D::kStrokeText] == 0.0); | |
| 244 | |
| 245 // create gradient | |
| 246 CanvasGradient* gradient; | |
| 247 gradient = Context2d()->createLinearGradient(0, 0, 100, 100); | |
| 248 Context2d()->setFillStyle( | |
| 249 StringOrCanvasGradientOrCanvasPattern::fromCanvasGradient(gradient)); | |
| 250 Context2d()->fillRect(10, 10, 100, 20); | |
| 251 EXPECT_EQ(1, Context2d()->GetUsage().num_linear_gradients); | |
| 252 EXPECT_NEAR(100 * 20, | |
| 253 Context2d()->GetUsage().bounding_box_area_fill_type | |
| 254 [BaseRenderingContext2D::kLinearGradientFillType], | |
| 255 1.0); | |
| 256 | |
| 257 NonThrowableExceptionState exception_state; | |
| 258 gradient = Context2d()->createRadialGradient(0, 0, 100, 100, 200, 200, | |
| 259 exception_state); | |
| 260 Context2d()->setFillStyle( | |
| 261 StringOrCanvasGradientOrCanvasPattern::fromCanvasGradient(gradient)); | |
| 262 Context2d()->fillRect(10, 10, 100, 20); | |
| 263 EXPECT_EQ(1, Context2d()->GetUsage().num_linear_gradients); | |
| 264 EXPECT_EQ(1, Context2d()->GetUsage().num_radial_gradients); | |
| 265 EXPECT_NEAR(100 * 20, | |
| 266 Context2d()->GetUsage().bounding_box_area_fill_type | |
| 267 [BaseRenderingContext2D::kRadialGradientFillType], | |
| 268 1.0); | |
| 269 | |
| 270 // create pattern | |
| 271 NonThrowableExceptionState exception_state2; | |
| 272 CanvasPattern* canvas_pattern = Context2d()->createPattern( | |
| 273 GetScriptState(), &opaque_bitmap_, "repeat-x", exception_state2); | |
| 274 StringOrCanvasGradientOrCanvasPattern pattern = | |
| 275 StringOrCanvasGradientOrCanvasPattern::fromCanvasPattern(canvas_pattern); | |
| 276 Context2d()->setFillStyle(pattern); | |
| 277 Context2d()->fillRect(10, 10, 200, 100); | |
| 278 EXPECT_EQ(1, Context2d()->GetUsage().num_patterns); | |
| 279 EXPECT_NEAR(200 * 100, | |
| 280 Context2d()->GetUsage().bounding_box_area_fill_type | |
| 281 [BaseRenderingContext2D::kPatternFillType], | |
| 282 1.0); | |
| 283 | |
| 284 // Other fill method | |
| 285 Context2d()->fill(Path2D::Create("Hello World!!!")); | |
| 286 EXPECT_EQ(num_reps * 2 + 1, | |
| 287 Context2d() | |
| 288 ->GetUsage() | |
| 289 .num_draw_calls[BaseRenderingContext2D::kFillPath]); | |
| 290 | |
| 291 EXPECT_EQ(0, Context2d() | |
| 292 ->GetUsage() | |
| 293 .num_draw_calls[BaseRenderingContext2D::kStrokePath]); | |
| 294 EXPECT_EQ(0, Context2d() | |
| 295 ->GetUsage() | |
| 296 .num_draw_calls[BaseRenderingContext2D::kStrokeText]); | |
| 297 EXPECT_EQ(0, Context2d()->GetUsage().num_put_image_data_calls); | |
| 298 EXPECT_EQ(0, Context2d() | |
| 299 ->GetUsage() | |
| 300 .num_draw_calls[BaseRenderingContext2D::kDrawVectorImage]); | |
| 301 EXPECT_EQ(0, Context2d() | |
| 302 ->GetUsage() | |
| 303 .num_draw_calls[BaseRenderingContext2D::kDrawBitmapImage]); | |
| 304 EXPECT_EQ(0, Context2d()->GetUsage().num_get_image_data_calls); | |
| 305 } | |
| 306 | |
| 307 TEST_F(CanvasRenderingContextUsageTrackingTest, StrokeTracking) { | |
| 308 CreateContext(kNonOpaque); | |
| 309 | |
| 310 int num_reps = 100; | |
| 311 for (int i = 0; i < num_reps; i++) { | |
| 312 Context2d()->strokeRect(10, 10, 100, 100); | |
| 313 | |
| 314 Context2d()->beginPath(); | |
| 315 Context2d()->moveTo(1, 1); | |
| 316 Context2d()->lineTo(4, 1); | |
| 317 Context2d()->lineTo(4, 4); | |
| 318 Context2d()->lineTo(2, 2); | |
| 319 Context2d()->lineTo(1, 4); | |
| 320 Context2d()->stroke(); | |
| 321 | |
| 322 Context2d()->strokeText("Hello World!!!", 10, 10, 1); | |
| 323 | |
| 324 Context2d()->strokeRect(10, 10, 100, 100); | |
| 325 Context2d()->strokeText("Hello World!!!", 10, 10); | |
| 326 } | |
| 327 | |
| 328 EXPECT_EQ(num_reps, Context2d() | |
| 329 ->GetUsage() | |
| 330 .num_draw_calls[BaseRenderingContext2D::kStrokePath]); | |
| 331 EXPECT_EQ(num_reps * 2, | |
| 332 Context2d() | |
| 333 ->GetUsage() | |
| 334 .num_draw_calls[BaseRenderingContext2D::kStrokeRect]); | |
| 335 EXPECT_EQ(num_reps * 2, | |
| 336 Context2d() | |
| 337 ->GetUsage() | |
| 338 .num_draw_calls[BaseRenderingContext2D::kStrokeText]); | |
| 339 | |
| 340 EXPECT_NEAR( | |
| 341 static_cast<double>(num_reps * (100 * 100) * 2), | |
| 342 Context2d() | |
| 343 ->GetUsage() | |
| 344 .bounding_box_area_draw_calls[BaseRenderingContext2D::kStrokeRect], | |
| 345 1.0); | |
| 346 EXPECT_NEAR(static_cast<double>(num_reps * (2 * 100 + 2 * 100) * 2), | |
| 347 Context2d()->GetUsage().bounding_box_perimeter_draw_calls | |
| 348 [BaseRenderingContext2D::kStrokeRect], | |
| 349 1.0); | |
| 350 EXPECT_NEAR( | |
| 351 static_cast<double>(num_reps * (3 * 3)), | |
| 352 Context2d() | |
| 353 ->GetUsage() | |
| 354 .bounding_box_area_draw_calls[BaseRenderingContext2D::kStrokePath], | |
| 355 1.0); | |
| 356 EXPECT_NEAR(static_cast<double>(num_reps * (2 * 3 + 2 * 3)), | |
| 357 Context2d()->GetUsage().bounding_box_perimeter_draw_calls | |
| 358 [BaseRenderingContext2D::kStrokePath], | |
| 359 1.0); | |
| 360 | |
| 361 // create gradient | |
| 362 CanvasGradient* gradient; | |
| 363 gradient = Context2d()->createLinearGradient(0, 0, 100, 100); | |
| 364 Context2d()->setStrokeStyle( | |
| 365 StringOrCanvasGradientOrCanvasPattern::fromCanvasGradient(gradient)); | |
| 366 Context2d()->strokeRect(10, 10, 100, 100); | |
| 367 EXPECT_EQ(1, Context2d()->GetUsage().num_linear_gradients); | |
| 368 EXPECT_NEAR(100 * 100, | |
| 369 Context2d()->GetUsage().bounding_box_area_fill_type | |
| 370 [BaseRenderingContext2D::kLinearGradientFillType], | |
| 371 1.0); | |
| 372 | |
| 373 // create pattern | |
| 374 NonThrowableExceptionState exception_state; | |
| 375 CanvasPattern* canvas_pattern = Context2d()->createPattern( | |
| 376 GetScriptState(), &opaque_bitmap_, "repeat-x", exception_state); | |
| 377 StringOrCanvasGradientOrCanvasPattern pattern = | |
| 378 StringOrCanvasGradientOrCanvasPattern::fromCanvasPattern(canvas_pattern); | |
| 379 Context2d()->setStrokeStyle(pattern); | |
| 380 Context2d()->strokeRect(10, 10, 100, 100); | |
| 381 EXPECT_EQ(1, Context2d()->GetUsage().num_patterns); | |
| 382 EXPECT_NEAR(100 * 100, | |
| 383 Context2d()->GetUsage().bounding_box_area_fill_type | |
| 384 [BaseRenderingContext2D::kPatternFillType], | |
| 385 1.0); | |
| 386 | |
| 387 // Other stroke method | |
| 388 Context2d()->stroke(Path2D::Create("Hello World!!!")); | |
| 389 EXPECT_EQ(num_reps + 1, | |
| 390 Context2d() | |
| 391 ->GetUsage() | |
| 392 .num_draw_calls[BaseRenderingContext2D::kStrokePath]); | |
| 393 EXPECT_EQ(0, Context2d() | |
| 394 ->GetUsage() | |
| 395 .num_draw_calls[BaseRenderingContext2D::kFillPath]); | |
| 396 EXPECT_EQ(0, Context2d()->GetUsage().num_non_convex_fill_path_calls); | |
| 397 EXPECT_EQ(0, Context2d() | |
| 398 ->GetUsage() | |
| 399 .num_draw_calls[BaseRenderingContext2D::kFillText]); | |
| 400 EXPECT_EQ(0, Context2d()->GetUsage().num_put_image_data_calls); | |
| 401 EXPECT_EQ(0, Context2d() | |
| 402 ->GetUsage() | |
| 403 .num_draw_calls[BaseRenderingContext2D::kDrawVectorImage]); | |
| 404 EXPECT_EQ(0, Context2d() | |
| 405 ->GetUsage() | |
| 406 .num_draw_calls[BaseRenderingContext2D::kDrawBitmapImage]); | |
| 407 EXPECT_EQ(0, Context2d()->GetUsage().num_get_image_data_calls); | |
| 408 } | |
| 409 | |
| 410 TEST_F(CanvasRenderingContextUsageTrackingTest, ImageTracking) { | |
| 411 // Testing draw, put, get and filters | |
| 412 CreateContext(kNonOpaque); | |
| 413 NonThrowableExceptionState exception_state; | |
| 414 | |
| 415 int num_reps = 5; | |
| 416 int img_width = 100; | |
| 417 int img_height = 200; | |
| 418 for (int i = 0; i < num_reps; i++) { | |
| 419 Context2d()->putImageData(full_image_data_.Get(), 0, 0, exception_state); | |
| 420 Context2d()->drawImage(GetScriptState(), &opaque_bitmap_, 0, 0, 1, 1, 0, 0, | |
| 421 img_width, img_height, exception_state); | |
| 422 Context2d()->getImageData(0, 0, 10, 100, exception_state); | |
| 423 } | |
| 424 | |
| 425 EXPECT_NEAR(num_reps * img_width * img_height, | |
| 426 Context2d()->GetUsage().bounding_box_area_draw_calls | |
| 427 [BaseRenderingContext2D::kDrawBitmapImage], | |
| 428 0.1); | |
| 429 EXPECT_NEAR(num_reps * (2 * img_width + 2 * img_height), | |
| 430 Context2d()->GetUsage().bounding_box_perimeter_draw_calls | |
| 431 [BaseRenderingContext2D::kDrawBitmapImage], | |
| 432 0.1); | |
| 433 | |
| 434 EXPECT_NEAR(0.0, | |
| 435 Context2d()->GetUsage().bounding_box_area_draw_calls | |
| 436 [BaseRenderingContext2D::kDrawVectorImage], | |
| 437 0.1); | |
| 438 EXPECT_NEAR(0.0, | |
| 439 Context2d()->GetUsage().bounding_box_perimeter_draw_calls | |
| 440 [BaseRenderingContext2D::kDrawVectorImage], | |
| 441 0.1); | |
| 442 | |
| 443 Context2d()->setFilter("blur(5px)"); | |
| 444 Context2d()->drawImage(GetScriptState(), &opaque_bitmap_, 0, 0, 1, 1, 0, 0, | |
| 445 10, 10, exception_state); | |
| 446 | |
| 447 EXPECT_EQ(num_reps, Context2d()->GetUsage().num_put_image_data_calls); | |
| 448 EXPECT_NE(0, Context2d()->GetUsage().area_put_image_data_calls); | |
| 449 EXPECT_NEAR(num_reps * full_image_data_.Get()->width() * | |
| 450 full_image_data_.Get()->height(), | |
| 451 Context2d()->GetUsage().area_put_image_data_calls, 0.1); | |
| 452 | |
| 453 EXPECT_EQ(num_reps + 1, | |
| 454 Context2d() | |
| 455 ->GetUsage() | |
| 456 .num_draw_calls[BaseRenderingContext2D::kDrawBitmapImage]); | |
| 457 EXPECT_EQ(num_reps, Context2d()->GetUsage().num_get_image_data_calls); | |
| 458 | |
| 459 EXPECT_EQ(1, Context2d()->GetUsage().num_filters); | |
| 460 EXPECT_NEAR(num_reps * 10 * 100, | |
| 461 Context2d()->GetUsage().area_get_image_data_calls, 0.1); | |
| 462 | |
| 463 EXPECT_EQ(0, Context2d() | |
| 464 ->GetUsage() | |
| 465 .num_draw_calls[BaseRenderingContext2D::kFillPath]); | |
| 466 EXPECT_EQ(0, Context2d()->GetUsage().num_non_convex_fill_path_calls); | |
| 467 EXPECT_EQ(0, Context2d() | |
| 468 ->GetUsage() | |
| 469 .num_draw_calls[BaseRenderingContext2D::kFillText]); | |
| 470 EXPECT_EQ(0, Context2d() | |
| 471 ->GetUsage() | |
| 472 .num_draw_calls[BaseRenderingContext2D::kStrokePath]); | |
| 473 EXPECT_EQ(0, Context2d() | |
| 474 ->GetUsage() | |
| 475 .num_draw_calls[BaseRenderingContext2D::kStrokeText]); | |
| 476 } | |
| 477 | |
| 478 TEST_F(CanvasRenderingContextUsageTrackingTest, ClearRectTracking) { | |
| 479 CreateContext(kNonOpaque); | |
| 480 Context2d()->clearRect(0, 0, 1, 1); | |
| 481 Context2d()->clearRect(0, 0, 2, 2); | |
| 482 EXPECT_EQ(2, Context2d()->GetUsage().num_clear_rect_calls); | |
| 483 | |
| 484 EXPECT_EQ(0, Context2d() | |
| 485 ->GetUsage() | |
| 486 .num_draw_calls[BaseRenderingContext2D::kFillPath]); | |
| 487 EXPECT_EQ(0, Context2d()->GetUsage().num_non_convex_fill_path_calls); | |
| 488 EXPECT_EQ(0, Context2d() | |
| 489 ->GetUsage() | |
| 490 .num_draw_calls[BaseRenderingContext2D::kFillText]); | |
| 491 EXPECT_EQ(0, Context2d() | |
| 492 ->GetUsage() | |
| 493 .num_draw_calls[BaseRenderingContext2D::kStrokePath]); | |
| 494 EXPECT_EQ(0, Context2d() | |
| 495 ->GetUsage() | |
| 496 .num_draw_calls[BaseRenderingContext2D::kStrokeText]); | |
| 497 } | |
| 498 | |
| 499 TEST_F(CanvasRenderingContextUsageTrackingTest, ComplexClipsTracking) { | |
| 500 CreateContext(kNonOpaque); | |
| 501 Context2d()->save(); | |
| 502 | |
| 503 // simple clip | |
| 504 Context2d()->beginPath(); | |
| 505 Context2d()->moveTo(1, 1); | |
| 506 Context2d()->lineTo(4, 1); | |
| 507 Context2d()->lineTo(4, 4); | |
| 508 Context2d()->lineTo(1, 4); | |
| 509 Context2d()->clip("nonzero"); | |
| 510 Context2d()->fillRect(0, 0, 1, 1); | |
| 511 EXPECT_EQ(0, Context2d()->GetUsage().num_draw_with_complex_clips); | |
| 512 | |
| 513 // complex clips | |
| 514 int num_reps = 5; | |
| 515 for (int i = 0; i < num_reps; i++) { | |
| 516 Context2d()->beginPath(); | |
| 517 Context2d()->moveTo(1, 1); | |
| 518 Context2d()->lineTo(4, 1); | |
| 519 Context2d()->lineTo(4, 4); | |
| 520 Context2d()->lineTo(2, 2); | |
| 521 Context2d()->lineTo(1, 4); | |
| 522 Context2d()->clip("nonzero"); | |
| 523 Context2d()->fillRect(0, 0, 1, 1); | |
| 524 } | |
| 525 | |
| 526 // remove all previous clips | |
| 527 Context2d()->restore(); | |
| 528 | |
| 529 // simple clip again | |
| 530 Context2d()->beginPath(); | |
| 531 Context2d()->moveTo(1, 1); | |
| 532 Context2d()->lineTo(4, 1); | |
| 533 Context2d()->lineTo(4, 4); | |
| 534 Context2d()->lineTo(1, 4); | |
| 535 Context2d()->clip("nonzero"); | |
| 536 Context2d()->fillRect(0, 0, 1, 1); | |
| 537 | |
| 538 EXPECT_EQ(num_reps, Context2d()->GetUsage().num_draw_with_complex_clips); | |
| 539 } | |
| 540 | |
| 541 TEST_F(CanvasRenderingContextUsageTrackingTest, ShadowsTracking) { | |
| 542 CreateContext(kNonOpaque); | |
| 543 | |
| 544 Context2d()->beginPath(); | |
| 545 Context2d()->fillRect(0, 0, 1, 1); | |
| 546 | |
| 547 // shadow with blur = 0 | |
| 548 Context2d()->beginPath(); | |
| 549 Context2d()->setShadowBlur(0.0); | |
| 550 Context2d()->setShadowColor("rgba(255, 0, 0, 0.5)"); | |
| 551 Context2d()->setShadowOffsetX(1.0); | |
| 552 Context2d()->setShadowOffsetY(1.0); | |
| 553 Context2d()->fillRect(0, 0, 1, 1); | |
| 554 | |
| 555 // shadow with alpha = 0 | |
| 556 Context2d()->beginPath(); | |
| 557 Context2d()->setShadowBlur(0.5); | |
| 558 Context2d()->setShadowColor("rgba(255, 0, 0, 0)"); | |
| 559 Context2d()->setShadowOffsetX(1.0); | |
| 560 Context2d()->setShadowOffsetY(1.0); | |
| 561 Context2d()->fillRect(0, 0, 1, 1); | |
| 562 | |
| 563 EXPECT_EQ(0, Context2d()->GetUsage().num_blurred_shadows); | |
| 564 EXPECT_NEAR( | |
| 565 0.0, Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, | |
| 566 0.1); | |
| 567 EXPECT_NEAR( | |
| 568 0.0, | |
| 569 Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared, | |
| 570 0.1); | |
| 571 | |
| 572 int num_reps = 5; | |
| 573 double shadow_blur = 0.5; | |
| 574 for (int i = 0; i < num_reps; i++) { | |
| 575 Context2d()->beginPath(); | |
| 576 Context2d()->setShadowBlur(shadow_blur); | |
| 577 Context2d()->setShadowColor("rgba(255, 0, 0, 0.5)"); | |
| 578 Context2d()->setShadowOffsetX(1.0); | |
| 579 Context2d()->setShadowOffsetY(1.0); | |
| 580 Context2d()->fillRect(0, 0, 3, 10); | |
| 581 } | |
| 582 EXPECT_EQ(num_reps, Context2d()->GetUsage().num_blurred_shadows); | |
| 583 | |
| 584 double area_times_shadow_blur_squared = | |
| 585 shadow_blur * shadow_blur * num_reps * 3 * 10; | |
| 586 double perimeter_times_shadow_blur_squared = | |
| 587 shadow_blur * shadow_blur * num_reps * (2 * 3 + 2 * 10); | |
| 588 EXPECT_NEAR( | |
| 589 area_times_shadow_blur_squared, | |
| 590 Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, 0.1); | |
| 591 EXPECT_NEAR( | |
| 592 perimeter_times_shadow_blur_squared, | |
| 593 Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared, | |
| 594 0.1); | |
| 595 | |
| 596 double shadow_blur2 = 4.5; | |
| 597 Context2d()->beginPath(); | |
| 598 Context2d()->setShadowBlur(shadow_blur2); | |
| 599 Context2d()->moveTo(1, 1); | |
| 600 Context2d()->lineTo(4, 1); | |
| 601 Context2d()->lineTo(4, 4); | |
| 602 Context2d()->lineTo(2, 2); | |
| 603 Context2d()->lineTo(1, 4); | |
| 604 Context2d()->fill(); | |
| 605 | |
| 606 area_times_shadow_blur_squared += 3.0 * 3.0 * shadow_blur2 * shadow_blur2; | |
| 607 perimeter_times_shadow_blur_squared += | |
| 608 (2 * 3 + 2 * 3) * shadow_blur2 * shadow_blur2; | |
| 609 EXPECT_NEAR( | |
| 610 area_times_shadow_blur_squared, | |
| 611 Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, 0.1); | |
| 612 EXPECT_NEAR( | |
| 613 perimeter_times_shadow_blur_squared, | |
| 614 Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared, | |
| 615 0.1); | |
| 616 | |
| 617 NonThrowableExceptionState exception_state; | |
| 618 int img_width = 100; | |
| 619 int img_height = 200; | |
| 620 for (int i = 0; i < num_reps; i++) { | |
| 621 Context2d()->putImageData(full_image_data_.Get(), 0, 0, exception_state); | |
| 622 Context2d()->setShadowBlur(shadow_blur2); | |
| 623 Context2d()->drawImage(GetScriptState(), &opaque_bitmap_, 0, 0, 1, 1, 0, 0, | |
| 624 img_width, img_height, exception_state); | |
| 625 Context2d()->getImageData(0, 0, 1, 1, exception_state); | |
| 626 } | |
| 627 | |
| 628 area_times_shadow_blur_squared += | |
| 629 img_width * img_height * shadow_blur2 * shadow_blur2 * num_reps; | |
| 630 perimeter_times_shadow_blur_squared += | |
| 631 (2 * img_width + 2 * img_height) * shadow_blur2 * shadow_blur2 * num_reps; | |
| 632 EXPECT_NEAR( | |
| 633 area_times_shadow_blur_squared, | |
| 634 Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, 0.1); | |
| 635 EXPECT_NEAR( | |
| 636 perimeter_times_shadow_blur_squared, | |
| 637 Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared, | |
| 638 0.1); | |
| 639 } | |
| 640 | |
| 641 TEST_F(CanvasRenderingContextUsageTrackingTest, incrementFrameCount) { | |
| 642 CreateContext(kNonOpaque); | |
| 643 EXPECT_EQ(0, Context2d()->GetUsage().num_frames_since_reset); | |
| 644 | |
| 645 Context2d()->FinalizeFrame(); | |
| 646 EXPECT_EQ(1, Context2d()->GetUsage().num_frames_since_reset); | |
| 647 | |
| 648 Context2d()->FinalizeFrame(); | |
| 649 Context2d()->FinalizeFrame(); | |
| 650 EXPECT_EQ(3, Context2d()->GetUsage().num_frames_since_reset); | |
| 651 } | |
| 652 | |
| 653 TEST_F(CanvasRenderingContextUsageTrackingTest, resetUsageTracking) { | |
| 654 CreateContext(kNonOpaque); | |
| 655 EXPECT_EQ(0, Context2d()->GetUsage().num_frames_since_reset); | |
| 656 | |
| 657 Context2d()->FinalizeFrame(); | |
| 658 Context2d()->FinalizeFrame(); | |
| 659 EXPECT_EQ(2, Context2d()->GetUsage().num_frames_since_reset); | |
| 660 | |
| 661 const int kNumReps = 100; | |
| 662 for (int i = 0; i < kNumReps; i++) { | |
| 663 Context2d()->fillRect(10, 10, 100, 100); | |
| 664 } | |
| 665 EXPECT_EQ(kNumReps, Context2d() | |
| 666 ->GetUsage() | |
| 667 .num_draw_calls[BaseRenderingContext2D::kFillRect]); | |
| 668 | |
| 669 Context2d()->ResetUsageTracking(); | |
| 670 EXPECT_EQ(0, Context2d()->GetUsage().num_frames_since_reset); | |
| 671 EXPECT_EQ(0, Context2d() | |
| 672 ->GetUsage() | |
| 673 .num_draw_calls[BaseRenderingContext2D::kFillRect]); | |
| 674 | |
| 675 for (int i = 0; i < kNumReps; i++) { | |
| 676 Context2d()->fillRect(10, 10, 100, 100); | |
| 677 } | |
| 678 EXPECT_EQ(kNumReps, Context2d() | |
| 679 ->GetUsage() | |
| 680 .num_draw_calls[BaseRenderingContext2D::kFillRect]); | |
| 681 } | |
| 682 | |
| 683 } // namespace UsageTrackingTests | |
| 684 } // namespace blink | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2903053002:
Removing canvas rendering mode switching feature (Closed)
