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| 1 // Copyright 2013 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 <stddef.h> | |
| 6 | |
| 7 #include "base/memory/scoped_ptr.h" | |
| 8 #include "cc/playback/display_list_raster_source.h" | |
| 9 #include "cc/test/fake_display_list_recording_source.h" | |
| 10 #include "cc/test/skia_common.h" | |
| 11 #include "skia/ext/refptr.h" | |
| 12 #include "testing/gtest/include/gtest/gtest.h" | |
| 13 #include "third_party/skia/include/core/SkPixelRef.h" | |
| 14 #include "third_party/skia/include/core/SkShader.h" | |
| 15 #include "ui/gfx/geometry/rect.h" | |
| 16 #include "ui/gfx/geometry/size_conversions.h" | |
| 17 | |
| 18 namespace cc { | |
| 19 namespace { | |
| 20 | |
| 21 TEST(DisplayListRasterSourceTest, AnalyzeIsSolidUnscaled) { | |
| 22 gfx::Size layer_bounds(400, 400); | |
| 23 | |
| 24 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 25 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 26 | |
| 27 SkPaint solid_paint; | |
| 28 SkColor solid_color = SkColorSetARGB(255, 12, 23, 34); | |
| 29 solid_paint.setColor(solid_color); | |
| 30 | |
| 31 SkColor non_solid_color = SkColorSetARGB(128, 45, 56, 67); | |
| 32 SkColor color = SK_ColorTRANSPARENT; | |
| 33 SkPaint non_solid_paint; | |
| 34 bool is_solid_color = false; | |
| 35 non_solid_paint.setColor(non_solid_color); | |
| 36 | |
| 37 recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), | |
| 38 solid_paint); | |
| 39 recording_source->Rerecord(); | |
| 40 | |
| 41 scoped_refptr<DisplayListRasterSource> raster = | |
| 42 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 43 recording_source.get(), false); | |
| 44 | |
| 45 // Ensure everything is solid. | |
| 46 for (int y = 0; y <= 300; y += 100) { | |
| 47 for (int x = 0; x <= 300; x += 100) { | |
| 48 gfx::Rect rect(x, y, 100, 100); | |
| 49 is_solid_color = raster->PerformSolidColorAnalysis(rect, 1.0, &color); | |
| 50 EXPECT_TRUE(is_solid_color) << rect.ToString(); | |
| 51 EXPECT_EQ(solid_color, color) << rect.ToString(); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 // Add one non-solid pixel and recreate the raster source. | |
| 56 recording_source->add_draw_rect_with_paint(gfx::Rect(50, 50, 1, 1), | |
| 57 non_solid_paint); | |
| 58 recording_source->Rerecord(); | |
| 59 raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 60 recording_source.get(), false); | |
| 61 | |
| 62 color = SK_ColorTRANSPARENT; | |
| 63 is_solid_color = | |
| 64 raster->PerformSolidColorAnalysis(gfx::Rect(0, 0, 100, 100), 1.0, &color); | |
| 65 EXPECT_FALSE(is_solid_color); | |
| 66 | |
| 67 color = SK_ColorTRANSPARENT; | |
| 68 is_solid_color = raster->PerformSolidColorAnalysis( | |
| 69 gfx::Rect(100, 0, 100, 100), 1.0, &color); | |
| 70 EXPECT_TRUE(is_solid_color); | |
| 71 EXPECT_EQ(solid_color, color); | |
| 72 | |
| 73 // Boundaries should be clipped. | |
| 74 color = SK_ColorTRANSPARENT; | |
| 75 is_solid_color = raster->PerformSolidColorAnalysis( | |
| 76 gfx::Rect(350, 0, 100, 100), 1.0, &color); | |
| 77 EXPECT_TRUE(is_solid_color); | |
| 78 EXPECT_EQ(solid_color, color); | |
| 79 | |
| 80 color = SK_ColorTRANSPARENT; | |
| 81 is_solid_color = raster->PerformSolidColorAnalysis( | |
| 82 gfx::Rect(0, 350, 100, 100), 1.0, &color); | |
| 83 EXPECT_TRUE(is_solid_color); | |
| 84 EXPECT_EQ(solid_color, color); | |
| 85 | |
| 86 color = SK_ColorTRANSPARENT; | |
| 87 is_solid_color = raster->PerformSolidColorAnalysis( | |
| 88 gfx::Rect(350, 350, 100, 100), 1.0, &color); | |
| 89 EXPECT_TRUE(is_solid_color); | |
| 90 EXPECT_EQ(solid_color, color); | |
| 91 } | |
| 92 | |
| 93 TEST(DisplayListRasterSourceTest, AnalyzeIsSolidScaled) { | |
| 94 gfx::Size layer_bounds(400, 400); | |
| 95 | |
| 96 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 97 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 98 | |
| 99 SkColor solid_color = SkColorSetARGB(255, 12, 23, 34); | |
| 100 SkColor color = SK_ColorTRANSPARENT; | |
| 101 SkPaint solid_paint; | |
| 102 bool is_solid_color = false; | |
| 103 solid_paint.setColor(solid_color); | |
| 104 | |
| 105 SkColor non_solid_color = SkColorSetARGB(128, 45, 56, 67); | |
| 106 SkPaint non_solid_paint; | |
| 107 non_solid_paint.setColor(non_solid_color); | |
| 108 | |
| 109 recording_source->add_draw_rect_with_paint(gfx::Rect(0, 0, 400, 400), | |
| 110 solid_paint); | |
| 111 recording_source->Rerecord(); | |
| 112 | |
| 113 scoped_refptr<DisplayListRasterSource> raster = | |
| 114 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 115 recording_source.get(), false); | |
| 116 | |
| 117 // Ensure everything is solid. | |
| 118 for (int y = 0; y <= 30; y += 10) { | |
| 119 for (int x = 0; x <= 30; x += 10) { | |
| 120 gfx::Rect rect(x, y, 10, 10); | |
| 121 is_solid_color = raster->PerformSolidColorAnalysis(rect, 0.1f, &color); | |
| 122 EXPECT_TRUE(is_solid_color) << rect.ToString(); | |
| 123 EXPECT_EQ(color, solid_color) << rect.ToString(); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 // Add one non-solid pixel and recreate the raster source. | |
| 128 recording_source->add_draw_rect_with_paint(gfx::Rect(50, 50, 1, 1), | |
| 129 non_solid_paint); | |
| 130 recording_source->Rerecord(); | |
| 131 raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 132 recording_source.get(), false); | |
| 133 | |
| 134 color = SK_ColorTRANSPARENT; | |
| 135 is_solid_color = | |
| 136 raster->PerformSolidColorAnalysis(gfx::Rect(0, 0, 10, 10), 0.1f, &color); | |
| 137 EXPECT_FALSE(is_solid_color); | |
| 138 | |
| 139 color = SK_ColorTRANSPARENT; | |
| 140 is_solid_color = | |
| 141 raster->PerformSolidColorAnalysis(gfx::Rect(10, 0, 10, 10), 0.1f, &color); | |
| 142 EXPECT_TRUE(is_solid_color); | |
| 143 EXPECT_EQ(color, solid_color); | |
| 144 | |
| 145 // Boundaries should be clipped. | |
| 146 color = SK_ColorTRANSPARENT; | |
| 147 is_solid_color = | |
| 148 raster->PerformSolidColorAnalysis(gfx::Rect(35, 0, 10, 10), 0.1f, &color); | |
| 149 EXPECT_TRUE(is_solid_color); | |
| 150 EXPECT_EQ(color, solid_color); | |
| 151 | |
| 152 color = SK_ColorTRANSPARENT; | |
| 153 is_solid_color = | |
| 154 raster->PerformSolidColorAnalysis(gfx::Rect(0, 35, 10, 10), 0.1f, &color); | |
| 155 EXPECT_TRUE(is_solid_color); | |
| 156 EXPECT_EQ(color, solid_color); | |
| 157 | |
| 158 color = SK_ColorTRANSPARENT; | |
| 159 is_solid_color = raster->PerformSolidColorAnalysis(gfx::Rect(35, 35, 10, 10), | |
| 160 0.1f, &color); | |
| 161 EXPECT_TRUE(is_solid_color); | |
| 162 EXPECT_EQ(color, solid_color); | |
| 163 } | |
| 164 | |
| 165 TEST(DisplayListRasterSourceTest, AnalyzeIsSolidEmpty) { | |
| 166 gfx::Size layer_bounds(400, 400); | |
| 167 | |
| 168 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 169 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 170 recording_source->Rerecord(); | |
| 171 | |
| 172 scoped_refptr<DisplayListRasterSource> raster = | |
| 173 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 174 recording_source.get(), false); | |
| 175 | |
| 176 SkColor color = SK_ColorTRANSPARENT; | |
| 177 bool is_solid_color = | |
| 178 raster->PerformSolidColorAnalysis(gfx::Rect(0, 0, 400, 400), 1.f, &color); | |
| 179 | |
| 180 EXPECT_TRUE(is_solid_color); | |
| 181 EXPECT_EQ(color, SkColorSetARGB(0, 0, 0, 0)); | |
| 182 } | |
| 183 | |
| 184 TEST(DisplayListRasterSourceTest, PixelRefIteratorDiscardableRefsOneTile) { | |
| 185 gfx::Size layer_bounds(512, 512); | |
| 186 | |
| 187 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 188 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 189 | |
| 190 skia::RefPtr<SkImage> discardable_image[2][2]; | |
| 191 discardable_image[0][0] = CreateDiscardableImage(gfx::Size(32, 32)); | |
| 192 discardable_image[0][1] = CreateDiscardableImage(gfx::Size(32, 32)); | |
| 193 discardable_image[1][1] = CreateDiscardableImage(gfx::Size(32, 32)); | |
| 194 | |
| 195 // Discardable pixel refs are found in the following cells: | |
| 196 // |---|---| | |
| 197 // | x | x | | |
| 198 // |---|---| | |
| 199 // | | x | | |
| 200 // |---|---| | |
| 201 recording_source->add_draw_image(discardable_image[0][0].get(), | |
| 202 gfx::Point(0, 0)); | |
| 203 recording_source->add_draw_image(discardable_image[0][1].get(), | |
| 204 gfx::Point(260, 0)); | |
| 205 recording_source->add_draw_image(discardable_image[1][1].get(), | |
| 206 gfx::Point(260, 260)); | |
| 207 recording_source->SetGenerateDiscardableImagesMetadata(true); | |
| 208 recording_source->Rerecord(); | |
| 209 | |
| 210 scoped_refptr<DisplayListRasterSource> raster = | |
| 211 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 212 recording_source.get(), false); | |
| 213 | |
| 214 // Tile sized iterators. These should find only one pixel ref. | |
| 215 { | |
| 216 std::vector<DrawImage> images; | |
| 217 raster->GetDiscardableImagesInRect(gfx::Rect(0, 0, 256, 256), 1.f, &images); | |
| 218 EXPECT_EQ(1u, images.size()); | |
| 219 EXPECT_EQ(discardable_image[0][0].get(), images[0].image()); | |
| 220 } | |
| 221 // Shifted tile sized iterators. These should find only one pixel ref. | |
| 222 { | |
| 223 std::vector<DrawImage> images; | |
| 224 raster->GetDiscardableImagesInRect(gfx::Rect(260, 260, 256, 256), 1.f, | |
| 225 &images); | |
| 226 EXPECT_EQ(1u, images.size()); | |
| 227 EXPECT_EQ(discardable_image[1][1].get(), images[0].image()); | |
| 228 } | |
| 229 // Ensure there's no discardable pixel refs in the empty cell | |
| 230 { | |
| 231 std::vector<DrawImage> images; | |
| 232 raster->GetDiscardableImagesInRect(gfx::Rect(0, 256, 256, 256), 1.f, | |
| 233 &images); | |
| 234 EXPECT_EQ(0u, images.size()); | |
| 235 } | |
| 236 // Layer sized iterators. These should find three pixel ref. | |
| 237 { | |
| 238 std::vector<DrawImage> images; | |
| 239 raster->GetDiscardableImagesInRect(gfx::Rect(0, 0, 512, 512), 1.f, &images); | |
| 240 EXPECT_EQ(3u, images.size()); | |
| 241 EXPECT_EQ(discardable_image[0][0].get(), images[0].image()); | |
| 242 EXPECT_EQ(discardable_image[0][1].get(), images[1].image()); | |
| 243 EXPECT_EQ(discardable_image[1][1].get(), images[2].image()); | |
| 244 } | |
| 245 } | |
| 246 | |
| 247 TEST(DisplayListRasterSourceTest, RasterFullContents) { | |
| 248 gfx::Size layer_bounds(3, 5); | |
| 249 float contents_scale = 1.5f; | |
| 250 float raster_divisions = 2.f; | |
| 251 | |
| 252 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 253 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 254 recording_source->SetBackgroundColor(SK_ColorBLACK); | |
| 255 recording_source->SetClearCanvasWithDebugColor(false); | |
| 256 | |
| 257 // Because the caller sets content opaque, it also promises that it | |
| 258 // has at least filled in layer_bounds opaquely. | |
| 259 SkPaint white_paint; | |
| 260 white_paint.setColor(SK_ColorWHITE); | |
| 261 recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), | |
| 262 white_paint); | |
| 263 recording_source->Rerecord(); | |
| 264 | |
| 265 scoped_refptr<DisplayListRasterSource> raster = | |
| 266 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 267 recording_source.get(), false); | |
| 268 | |
| 269 gfx::Size content_bounds( | |
| 270 gfx::ScaleToCeiledSize(layer_bounds, contents_scale)); | |
| 271 | |
| 272 // Simulate drawing into different tiles at different offsets. | |
| 273 int step_x = std::ceil(content_bounds.width() / raster_divisions); | |
| 274 int step_y = std::ceil(content_bounds.height() / raster_divisions); | |
| 275 for (int offset_x = 0; offset_x < content_bounds.width(); | |
| 276 offset_x += step_x) { | |
| 277 for (int offset_y = 0; offset_y < content_bounds.height(); | |
| 278 offset_y += step_y) { | |
| 279 gfx::Rect content_rect(offset_x, offset_y, step_x, step_y); | |
| 280 content_rect.Intersect(gfx::Rect(content_bounds)); | |
| 281 | |
| 282 // Simulate a canvas rect larger than the content rect. Every pixel | |
| 283 // up to one pixel outside the content rect is guaranteed to be opaque. | |
| 284 // Outside of that is undefined. | |
| 285 gfx::Rect canvas_rect(content_rect); | |
| 286 canvas_rect.Inset(0, 0, -1, -1); | |
| 287 | |
| 288 SkBitmap bitmap; | |
| 289 bitmap.allocN32Pixels(canvas_rect.width(), canvas_rect.height()); | |
| 290 SkCanvas canvas(bitmap); | |
| 291 canvas.clear(SK_ColorTRANSPARENT); | |
| 292 | |
| 293 const bool include_images = true; | |
| 294 raster->PlaybackToCanvas(&canvas, canvas_rect, canvas_rect, | |
| 295 contents_scale, include_images); | |
| 296 | |
| 297 SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); | |
| 298 int num_pixels = bitmap.width() * bitmap.height(); | |
| 299 bool all_white = true; | |
| 300 for (int i = 0; i < num_pixels; ++i) { | |
| 301 EXPECT_EQ(SkColorGetA(pixels[i]), 255u); | |
| 302 all_white &= (SkColorGetR(pixels[i]) == 255); | |
| 303 all_white &= (SkColorGetG(pixels[i]) == 255); | |
| 304 all_white &= (SkColorGetB(pixels[i]) == 255); | |
| 305 } | |
| 306 | |
| 307 // If the canvas doesn't extend past the edge of the content, | |
| 308 // it should be entirely white. Otherwise, the edge of the content | |
| 309 // will be non-white. | |
| 310 EXPECT_EQ(all_white, gfx::Rect(content_bounds).Contains(canvas_rect)); | |
| 311 } | |
| 312 } | |
| 313 } | |
| 314 | |
| 315 TEST(DisplayListRasterSourceTest, RasterPartialContents) { | |
| 316 gfx::Size layer_bounds(3, 5); | |
| 317 float contents_scale = 1.5f; | |
| 318 | |
| 319 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 320 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 321 recording_source->SetBackgroundColor(SK_ColorGREEN); | |
| 322 recording_source->SetClearCanvasWithDebugColor(false); | |
| 323 | |
| 324 // First record everything as white. | |
| 325 SkPaint white_paint; | |
| 326 white_paint.setColor(SK_ColorWHITE); | |
| 327 recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), | |
| 328 white_paint); | |
| 329 recording_source->Rerecord(); | |
| 330 | |
| 331 scoped_refptr<DisplayListRasterSource> raster = | |
| 332 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 333 recording_source.get(), false); | |
| 334 | |
| 335 gfx::Size content_bounds( | |
| 336 gfx::ScaleToCeiledSize(layer_bounds, contents_scale)); | |
| 337 | |
| 338 SkBitmap bitmap; | |
| 339 bitmap.allocN32Pixels(content_bounds.width(), content_bounds.height()); | |
| 340 SkCanvas canvas(bitmap); | |
| 341 canvas.clear(SK_ColorTRANSPARENT); | |
| 342 | |
| 343 // Playback the full rect which should make everything white. | |
| 344 gfx::Rect raster_full_rect(content_bounds); | |
| 345 gfx::Rect playback_rect(content_bounds); | |
| 346 const bool include_images = true; | |
| 347 raster->PlaybackToCanvas(&canvas, raster_full_rect, playback_rect, | |
| 348 contents_scale, include_images); | |
| 349 | |
| 350 { | |
| 351 SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); | |
| 352 for (int i = 0; i < bitmap.width(); ++i) { | |
| 353 for (int j = 0; j < bitmap.height(); ++j) { | |
| 354 SCOPED_TRACE(i); | |
| 355 SCOPED_TRACE(j); | |
| 356 EXPECT_EQ(255u, SkColorGetA(pixels[i + j * bitmap.width()])); | |
| 357 EXPECT_EQ(255u, SkColorGetR(pixels[i + j * bitmap.width()])); | |
| 358 EXPECT_EQ(255u, SkColorGetG(pixels[i + j * bitmap.width()])); | |
| 359 EXPECT_EQ(255u, SkColorGetB(pixels[i + j * bitmap.width()])); | |
| 360 } | |
| 361 } | |
| 362 } | |
| 363 | |
| 364 // Re-record everything as black. | |
| 365 SkPaint black_paint; | |
| 366 black_paint.setColor(SK_ColorBLACK); | |
| 367 recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), | |
| 368 black_paint); | |
| 369 recording_source->Rerecord(); | |
| 370 | |
| 371 // Make a new DisplayListRasterSource from the new recording. | |
| 372 raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 373 recording_source.get(), false); | |
| 374 | |
| 375 // We're going to playback from "everything is black" into a smaller area, | |
| 376 // that touches the edge pixels of the recording. | |
| 377 playback_rect.Inset(1, 2, 0, 1); | |
| 378 raster->PlaybackToCanvas(&canvas, raster_full_rect, playback_rect, | |
| 379 contents_scale, include_images); | |
| 380 | |
| 381 SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); | |
| 382 int num_black = 0; | |
| 383 int num_white = 0; | |
| 384 for (int i = 0; i < bitmap.width(); ++i) { | |
| 385 for (int j = 0; j < bitmap.height(); ++j) { | |
| 386 SCOPED_TRACE(j); | |
| 387 SCOPED_TRACE(i); | |
| 388 bool expect_black = playback_rect.Contains(i, j); | |
| 389 if (expect_black) { | |
| 390 EXPECT_EQ(255u, SkColorGetA(pixels[i + j * bitmap.width()])); | |
| 391 EXPECT_EQ(0u, SkColorGetR(pixels[i + j * bitmap.width()])); | |
| 392 EXPECT_EQ(0u, SkColorGetG(pixels[i + j * bitmap.width()])); | |
| 393 EXPECT_EQ(0u, SkColorGetB(pixels[i + j * bitmap.width()])); | |
| 394 ++num_black; | |
| 395 } else { | |
| 396 EXPECT_EQ(255u, SkColorGetA(pixels[i + j * bitmap.width()])); | |
| 397 EXPECT_EQ(255u, SkColorGetR(pixels[i + j * bitmap.width()])); | |
| 398 EXPECT_EQ(255u, SkColorGetG(pixels[i + j * bitmap.width()])); | |
| 399 EXPECT_EQ(255u, SkColorGetB(pixels[i + j * bitmap.width()])); | |
| 400 ++num_white; | |
| 401 } | |
| 402 } | |
| 403 } | |
| 404 EXPECT_GT(num_black, 0); | |
| 405 EXPECT_GT(num_white, 0); | |
| 406 } | |
| 407 | |
| 408 TEST(DisplayListRasterSourceTest, RasterPartialClear) { | |
| 409 gfx::Size layer_bounds(3, 5); | |
| 410 gfx::Size partial_bounds(2, 4); | |
| 411 float contents_scale = 1.5f; | |
| 412 | |
| 413 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 414 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 415 recording_source->SetBackgroundColor(SK_ColorGREEN); | |
| 416 recording_source->SetRequiresClear(true); | |
| 417 recording_source->SetClearCanvasWithDebugColor(false); | |
| 418 | |
| 419 // First record everything as white. | |
| 420 const unsigned alpha_dark = 10u; | |
| 421 SkPaint white_paint; | |
| 422 white_paint.setColor(SK_ColorWHITE); | |
| 423 white_paint.setAlpha(alpha_dark); | |
| 424 recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), | |
| 425 white_paint); | |
| 426 recording_source->Rerecord(); | |
| 427 | |
| 428 scoped_refptr<DisplayListRasterSource> raster = | |
| 429 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 430 recording_source.get(), false); | |
| 431 | |
| 432 gfx::Size content_bounds( | |
| 433 gfx::ScaleToCeiledSize(layer_bounds, contents_scale)); | |
| 434 | |
| 435 SkBitmap bitmap; | |
| 436 bitmap.allocN32Pixels(content_bounds.width(), content_bounds.height()); | |
| 437 SkCanvas canvas(bitmap); | |
| 438 canvas.clear(SK_ColorTRANSPARENT); | |
| 439 | |
| 440 // Playback the full rect which should make everything light gray (alpha=10). | |
| 441 gfx::Rect raster_full_rect(content_bounds); | |
| 442 gfx::Rect playback_rect(content_bounds); | |
| 443 const bool include_images = true; | |
| 444 raster->PlaybackToCanvas(&canvas, raster_full_rect, playback_rect, | |
| 445 contents_scale, include_images); | |
| 446 | |
| 447 { | |
| 448 SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); | |
| 449 for (int i = 0; i < bitmap.width(); ++i) { | |
| 450 for (int j = 0; j < bitmap.height(); ++j) { | |
| 451 SCOPED_TRACE(i); | |
| 452 SCOPED_TRACE(j); | |
| 453 EXPECT_EQ(alpha_dark, SkColorGetA(pixels[i + j * bitmap.width()])); | |
| 454 EXPECT_EQ(alpha_dark, SkColorGetR(pixels[i + j * bitmap.width()])); | |
| 455 EXPECT_EQ(alpha_dark, SkColorGetG(pixels[i + j * bitmap.width()])); | |
| 456 EXPECT_EQ(alpha_dark, SkColorGetB(pixels[i + j * bitmap.width()])); | |
| 457 } | |
| 458 } | |
| 459 } | |
| 460 | |
| 461 scoped_ptr<FakeDisplayListRecordingSource> recording_source_light = | |
| 462 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 463 recording_source_light->SetBackgroundColor(SK_ColorGREEN); | |
| 464 recording_source_light->SetRequiresClear(true); | |
| 465 recording_source_light->SetClearCanvasWithDebugColor(false); | |
| 466 | |
| 467 // Record everything as a slightly lighter white. | |
| 468 const unsigned alpha_light = 18u; | |
| 469 white_paint.setAlpha(alpha_light); | |
| 470 recording_source_light->add_draw_rect_with_paint(gfx::Rect(layer_bounds), | |
| 471 white_paint); | |
| 472 recording_source_light->Rerecord(); | |
| 473 | |
| 474 // Make a new DisplayListRasterSource from the new recording. | |
| 475 raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 476 recording_source_light.get(), false); | |
| 477 | |
| 478 // We're going to playback from alpha(18) white rectangle into a smaller area | |
| 479 // of the recording resulting in a smaller lighter white rectangle over a | |
| 480 // darker white background rectangle. | |
| 481 playback_rect = | |
| 482 gfx::Rect(gfx::ScaleToCeiledSize(partial_bounds, contents_scale)); | |
| 483 raster->PlaybackToCanvas(&canvas, raster_full_rect, playback_rect, | |
| 484 contents_scale, include_images); | |
| 485 | |
| 486 // Test that the whole playback_rect was cleared and repainted with new alpha. | |
| 487 SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); | |
| 488 for (int i = 0; i < playback_rect.width(); ++i) { | |
| 489 for (int j = 0; j < playback_rect.height(); ++j) { | |
| 490 SCOPED_TRACE(j); | |
| 491 SCOPED_TRACE(i); | |
| 492 EXPECT_EQ(alpha_light, SkColorGetA(pixels[i + j * bitmap.width()])); | |
| 493 EXPECT_EQ(alpha_light, SkColorGetR(pixels[i + j * bitmap.width()])); | |
| 494 EXPECT_EQ(alpha_light, SkColorGetG(pixels[i + j * bitmap.width()])); | |
| 495 EXPECT_EQ(alpha_light, SkColorGetB(pixels[i + j * bitmap.width()])); | |
| 496 } | |
| 497 } | |
| 498 } | |
| 499 | |
| 500 TEST(DisplayListRasterSourceTest, RasterContentsTransparent) { | |
| 501 gfx::Size layer_bounds(5, 3); | |
| 502 float contents_scale = 0.5f; | |
| 503 | |
| 504 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 505 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 506 recording_source->SetBackgroundColor(SK_ColorTRANSPARENT); | |
| 507 recording_source->SetRequiresClear(true); | |
| 508 recording_source->SetClearCanvasWithDebugColor(false); | |
| 509 recording_source->Rerecord(); | |
| 510 | |
| 511 scoped_refptr<DisplayListRasterSource> raster = | |
| 512 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 513 recording_source.get(), false); | |
| 514 gfx::Size content_bounds( | |
| 515 gfx::ScaleToCeiledSize(layer_bounds, contents_scale)); | |
| 516 | |
| 517 gfx::Rect canvas_rect(content_bounds); | |
| 518 canvas_rect.Inset(0, 0, -1, -1); | |
| 519 | |
| 520 SkBitmap bitmap; | |
| 521 bitmap.allocN32Pixels(canvas_rect.width(), canvas_rect.height()); | |
| 522 SkCanvas canvas(bitmap); | |
| 523 | |
| 524 const bool include_images = true; | |
| 525 raster->PlaybackToCanvas(&canvas, canvas_rect, canvas_rect, contents_scale, | |
| 526 include_images); | |
| 527 | |
| 528 SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); | |
| 529 int num_pixels = bitmap.width() * bitmap.height(); | |
| 530 for (int i = 0; i < num_pixels; ++i) { | |
| 531 EXPECT_EQ(SkColorGetA(pixels[i]), 0u); | |
| 532 } | |
| 533 } | |
| 534 | |
| 535 TEST(DisplayListRasterSourceTest, | |
| 536 GetPictureMemoryUsageIncludesClientReportedMemory) { | |
| 537 const size_t kReportedMemoryUsageInBytes = 100 * 1024 * 1024; | |
| 538 gfx::Size layer_bounds(5, 3); | |
| 539 scoped_ptr<FakeDisplayListRecordingSource> recording_source = | |
| 540 FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); | |
| 541 recording_source->set_reported_memory_usage(kReportedMemoryUsageInBytes); | |
| 542 recording_source->Rerecord(); | |
| 543 | |
| 544 scoped_refptr<DisplayListRasterSource> raster = | |
| 545 DisplayListRasterSource::CreateFromDisplayListRecordingSource( | |
| 546 recording_source.get(), false); | |
| 547 size_t total_memory_usage = raster->GetPictureMemoryUsage(); | |
| 548 EXPECT_GE(total_memory_usage, kReportedMemoryUsageInBytes); | |
| 549 EXPECT_LT(total_memory_usage, 2 * kReportedMemoryUsageInBytes); | |
| 550 } | |
| 551 | |
| 552 } // namespace | |
| 553 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1837263005:
cc: Rename DisplayListRasterSource to just RasterSource. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master