cc/trees/layer_tree_host_pixeltest_masks.cc

   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 "build/build_config.h"
   6 #include "cc/layers/content_layer_client.h"
   7 #include "cc/layers/picture_image_layer.h"
   8 #include "cc/layers/picture_layer.h"
   9 #include "cc/layers/solid_color_layer.h"
  10 #include "cc/test/layer_tree_pixel_resource_test.h"
  11 #include "cc/test/pixel_comparator.h"
  12
  13 #if !defined(OS_ANDROID)
  14
  15 namespace cc {
  16 namespace {
  17
  18 typedef ParameterizedPixelResourceTest LayerTreeHostMasksPixelTest;
  19
  20 INSTANTIATE_PIXEL_RESOURCE_TEST_CASE_P(LayerTreeHostMasksPixelTest);
  21
  22 class MaskContentLayerClient : public ContentLayerClient {
  23  public:
  24   explicit MaskContentLayerClient(const gfx::Size& bounds) : bounds_(bounds) {}
  25   ~MaskContentLayerClient() override {}
  26
  27   bool FillsBoundsCompletely() const override { return false; }
  28
  29   void PaintContents(SkCanvas* canvas,
  30                      const gfx::Rect& rect,
  31                      PaintingControlSetting picture_control) override {
  32     SkPaint paint;
  33     paint.setStyle(SkPaint::kStroke_Style);
  34     paint.setStrokeWidth(SkIntToScalar(2));
  35     paint.setColor(SK_ColorWHITE);
  36
  37     canvas->clear(SK_ColorTRANSPARENT);
  38     gfx::Rect inset_rect(bounds_);
  39     while (!inset_rect.IsEmpty()) {
  40       inset_rect.Inset(3, 3, 2, 2);
  41       canvas->drawRect(
  42           SkRect::MakeXYWH(inset_rect.x(), inset_rect.y(),
  43                            inset_rect.width(), inset_rect.height()),
  44           paint);
  45       inset_rect.Inset(3, 3, 2, 2);
  46     }
  47   }
  48
  49   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
  50       const gfx::Rect& clip,
  51       PaintingControlSetting picture_control) override {
  52     NOTIMPLEMENTED();
  53     return DisplayItemList::Create();
  54   }
  55
  56  private:
  57   gfx::Size bounds_;
  58 };
  59
  60 TEST_P(LayerTreeHostMasksPixelTest, MaskOfLayer) {
  61   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
  62       gfx::Rect(100, 100), SK_ColorWHITE);
  63
  64   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
  65       gfx::Rect(25, 25, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
  66   background->AddChild(green);
  67
  68   gfx::Size mask_bounds(50, 50);
  69   MaskContentLayerClient client(mask_bounds);
  70   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&client);
  71   mask->SetBounds(mask_bounds);
  72   mask->SetIsDrawable(true);
  73   mask->SetIsMask(true);
  74   green->SetMaskLayer(mask.get());
  75
  76   RunPixelResourceTest(background,
  77                        base::FilePath(FILE_PATH_LITERAL("mask_of_layer.png")));
  78 }
  79
  80 TEST_P(LayerTreeHostMasksPixelTest, ImageMaskOfLayer) {
  81   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
  82       gfx::Rect(100, 100), SK_ColorWHITE);
  83
  84   gfx::Size mask_bounds(50, 50);
  85
  86   scoped_refptr<PictureImageLayer> mask = PictureImageLayer::Create();
  87   mask->SetIsDrawable(true);
  88   mask->SetIsMask(true);
  89   mask->SetBounds(mask_bounds);
  90
  91   SkBitmap bitmap;
  92   bitmap.allocN32Pixels(200, 200);
  93   SkCanvas canvas(bitmap);
  94   canvas.scale(SkIntToScalar(4), SkIntToScalar(4));
  95   MaskContentLayerClient client(mask_bounds);
  96   client.PaintContents(&canvas, gfx::Rect(mask_bounds),
  97                        ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
  98   mask->SetBitmap(bitmap);
  99
 100   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
 101       gfx::Rect(25, 25, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
 102   green->SetMaskLayer(mask.get());
 103   background->AddChild(green);
 104
 105   RunPixelResourceTest(
 106       background, base::FilePath(FILE_PATH_LITERAL("image_mask_of_layer.png")));
 107 }
 108
 109 TEST_P(LayerTreeHostMasksPixelTest, MaskOfClippedLayer) {
 110   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 111       gfx::Rect(100, 100), SK_ColorWHITE);
 112
 113   // Clip to the top half of the green layer.
 114   scoped_refptr<Layer> clip = Layer::Create();
 115   clip->SetPosition(gfx::Point(0, 0));
 116   clip->SetBounds(gfx::Size(100, 50));
 117   clip->SetMasksToBounds(true);
 118   background->AddChild(clip);
 119
 120   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
 121       gfx::Rect(25, 25, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
 122   clip->AddChild(green);
 123
 124   gfx::Size mask_bounds(50, 50);
 125   MaskContentLayerClient client(mask_bounds);
 126   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&client);
 127   mask->SetBounds(mask_bounds);
 128   mask->SetIsDrawable(true);
 129   mask->SetIsMask(true);
 130   green->SetMaskLayer(mask.get());
 131
 132   RunPixelResourceTest(
 133       background,
 134       base::FilePath(FILE_PATH_LITERAL("mask_of_clipped_layer.png")));
 135 }
 136
 137 TEST_P(LayerTreeHostMasksPixelTest, MaskWithReplica) {
 138   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 139       gfx::Rect(100, 100), SK_ColorWHITE);
 140
 141   gfx::Size mask_bounds(50, 50);
 142   MaskContentLayerClient client(mask_bounds);
 143   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&client);
 144   mask->SetBounds(mask_bounds);
 145   mask->SetIsDrawable(true);
 146   mask->SetIsMask(true);
 147
 148   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
 149       gfx::Rect(0, 0, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
 150   background->AddChild(green);
 151   green->SetMaskLayer(mask.get());
 152
 153   gfx::Transform replica_transform;
 154   replica_transform.Rotate(-90.0);
 155
 156   scoped_refptr<Layer> replica = Layer::Create();
 157   replica->SetTransformOrigin(gfx::Point3F(25.f, 25.f, 0.f));
 158   replica->SetPosition(gfx::Point(50, 50));
 159   replica->SetTransform(replica_transform);
 160   green->SetReplicaLayer(replica.get());
 161
 162   RunPixelResourceTest(
 163       background, base::FilePath(FILE_PATH_LITERAL("mask_with_replica.png")));
 164 }
 165
 166 TEST_P(LayerTreeHostMasksPixelTest, MaskWithReplicaOfClippedLayer) {
 167   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 168       gfx::Rect(100, 100), SK_ColorWHITE);
 169
 170   gfx::Size mask_bounds(50, 50);
 171   MaskContentLayerClient client(mask_bounds);
 172   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&client);
 173   mask->SetBounds(mask_bounds);
 174   mask->SetIsDrawable(true);
 175   mask->SetIsMask(true);
 176
 177   // Clip to the bottom half of the green layer, and the left half of the
 178   // replica.
 179   scoped_refptr<Layer> clip = Layer::Create();
 180   clip->SetPosition(gfx::Point(0, 25));
 181   clip->SetBounds(gfx::Size(75, 75));
 182   clip->SetMasksToBounds(true);
 183   background->AddChild(clip);
 184
 185   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
 186       gfx::Rect(0, -25, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
 187   clip->AddChild(green);
 188   green->SetMaskLayer(mask.get());
 189
 190   gfx::Transform replica_transform;
 191   replica_transform.Rotate(-90.0);
 192
 193   scoped_refptr<Layer> replica = Layer::Create();
 194   replica->SetTransformOrigin(gfx::Point3F(25.f, 25.f, 0.f));
 195   replica->SetPosition(gfx::Point(50, 50));
 196   replica->SetTransform(replica_transform);
 197   green->SetReplicaLayer(replica.get());
 198
 199   RunPixelResourceTest(background,
 200                        base::FilePath(FILE_PATH_LITERAL(
 201                            "mask_with_replica_of_clipped_layer.png")));
 202 }
 203
 204 TEST_P(LayerTreeHostMasksPixelTest, MaskOfReplica) {
 205   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 206       gfx::Rect(100, 100), SK_ColorWHITE);
 207
 208   gfx::Size mask_bounds(50, 50);
 209   MaskContentLayerClient client(mask_bounds);
 210   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&client);
 211   mask->SetBounds(mask_bounds);
 212   mask->SetIsDrawable(true);
 213   mask->SetIsMask(true);
 214
 215   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
 216       gfx::Rect(25, 0, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
 217   background->AddChild(green);
 218
 219   scoped_refptr<SolidColorLayer> orange = CreateSolidColorLayer(
 220       gfx::Rect(-25, 25, 25, 25), kCSSOrange);
 221   green->AddChild(orange);
 222
 223   gfx::Transform replica_transform;
 224   replica_transform.Rotate(180.0);
 225   replica_transform.Translate(50.0, 0.0);
 226
 227   scoped_refptr<Layer> replica = Layer::Create();
 228   replica->SetTransformOrigin(gfx::Point3F(50.f, 50.f, 0.f));
 229   replica->SetPosition(gfx::Point());
 230   replica->SetTransform(replica_transform);
 231   replica->SetMaskLayer(mask.get());
 232   green->SetReplicaLayer(replica.get());
 233
 234   RunPixelResourceTest(
 235       background, base::FilePath(FILE_PATH_LITERAL("mask_of_replica.png")));
 236 }
 237
 238 TEST_P(LayerTreeHostMasksPixelTest, MaskOfReplicaOfClippedLayer) {
 239   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 240       gfx::Rect(100, 100), SK_ColorWHITE);
 241
 242   gfx::Size mask_bounds(50, 50);
 243   MaskContentLayerClient client(mask_bounds);
 244   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&client);
 245   mask->SetBounds(mask_bounds);
 246   mask->SetIsDrawable(true);
 247   mask->SetIsMask(true);
 248
 249   // Clip to the bottom 3/4 of the green layer, and the top 3/4 of the replica.
 250   scoped_refptr<Layer> clip = Layer::Create();
 251   clip->SetPosition(gfx::Point(0, 12));
 252   clip->SetBounds(gfx::Size(100, 75));
 253   clip->SetMasksToBounds(true);
 254   background->AddChild(clip);
 255
 256   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
 257       gfx::Rect(25, -12, 50, 50), kCSSGreen, 1, SK_ColorBLACK);
 258   clip->AddChild(green);
 259
 260   scoped_refptr<SolidColorLayer> orange = CreateSolidColorLayer(
 261       gfx::Rect(-25, 25, 25, 25), kCSSOrange);
 262   green->AddChild(orange);
 263
 264   gfx::Transform replica_transform;
 265   replica_transform.Rotate(180.0);
 266   replica_transform.Translate(50.0, 0.0);
 267
 268   scoped_refptr<Layer> replica = Layer::Create();
 269   replica->SetTransformOrigin(gfx::Point3F(50.f, 50.f, 0.f));
 270   replica->SetPosition(gfx::Point());
 271   replica->SetTransform(replica_transform);
 272   replica->SetMaskLayer(mask.get());
 273   green->SetReplicaLayer(replica.get());
 274
 275   RunPixelResourceTest(background,
 276                        base::FilePath(FILE_PATH_LITERAL(
 277                            "mask_of_replica_of_clipped_layer.png")));
 278 }
 279
 280 class CheckerContentLayerClient : public ContentLayerClient {
 281  public:
 282   CheckerContentLayerClient(const gfx::Size& bounds,
 283                            SkColor color,
 284                            bool vertical)
 285       : bounds_(bounds), color_(color), vertical_(vertical) {}
 286   ~CheckerContentLayerClient() override {}
 287   bool FillsBoundsCompletely() const override { return false; }
 288   void PaintContents(SkCanvas* canvas,
 289                      const gfx::Rect& rect,
 290                      PaintingControlSetting picture_control) override {
 291     SkPaint paint;
 292     paint.setStyle(SkPaint::kStroke_Style);
 293     paint.setStrokeWidth(SkIntToScalar(4));
 294     paint.setColor(color_);
 295     canvas->clear(SK_ColorTRANSPARENT);
 296     if (vertical_) {
 297       for (int i = 4; i < bounds_.width(); i += 16) {
 298         canvas->drawLine(i, 0, i, bounds_.height(), paint);
 299       }
 300     } else {
 301       for (int i = 4; i < bounds_.height(); i += 16) {
 302         canvas->drawLine(0, i, bounds_.width(), i, paint);
 303       }
 304     }
 305   }
 306   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
 307       const gfx::Rect& clip,
 308       PaintingControlSetting picture_control) override {
 309     NOTIMPLEMENTED();
 310     return DisplayItemList::Create();
 311   }
 312
 313  private:
 314   gfx::Size bounds_;
 315   SkColor color_;
 316   bool vertical_;
 317 };
 318
 319 class CircleContentLayerClient : public ContentLayerClient {
 320  public:
 321   explicit CircleContentLayerClient(const gfx::Size& bounds)
 322       : bounds_(bounds) {}
 323   ~CircleContentLayerClient() override {}
 324   bool FillsBoundsCompletely() const override { return false; }
 325   void PaintContents(SkCanvas* canvas,
 326                      const gfx::Rect& rect,
 327                      PaintingControlSetting picture_control) override {
 328     SkPaint paint;
 329     paint.setStyle(SkPaint::kFill_Style);
 330     paint.setColor(SK_ColorWHITE);
 331     canvas->clear(SK_ColorTRANSPARENT);
 332     canvas->drawCircle(bounds_.width() / 2,
 333                        bounds_.height() / 2,
 334                        bounds_.width() / 4,
 335                        paint);
 336   }
 337   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
 338       const gfx::Rect& clip,
 339       PaintingControlSetting picture_control) override {
 340     NOTIMPLEMENTED();
 341     return DisplayItemList::Create();
 342   }
 343
 344  private:
 345   gfx::Size bounds_;
 346 };
 347
 348 using LayerTreeHostMasksForBackgroundFiltersPixelTest =
 349     ParameterizedPixelResourceTest;
 350
 351 INSTANTIATE_TEST_CASE_P(
 352     PixelResourceTest,
 353     LayerTreeHostMasksForBackgroundFiltersPixelTest,
 354     ::testing::Values(
 355         // SOFTWARE, Background filters aren't implemented in software
 356         GL_GPU_RASTER_2D_DRAW,
 357         GL_ONE_COPY_2D_STAGING_2D_DRAW,
 358         GL_ONE_COPY_RECT_STAGING_2D_DRAW,
 359         GL_ONE_COPY_EXTERNAL_STAGING_2D_DRAW,
 360         GL_ZERO_COPY_2D_DRAW,
 361         GL_ZERO_COPY_RECT_DRAW,
 362         GL_ZERO_COPY_EXTERNAL_DRAW,
 363         GL_ASYNC_UPLOAD_2D_DRAW));
 364
 365 TEST_P(LayerTreeHostMasksForBackgroundFiltersPixelTest,
 366        MaskOfLayerWithBackgroundFilter) {
 367   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 368       gfx::Rect(100, 100), SK_ColorWHITE);
 369
 370   gfx::Size picture_bounds(100, 100);
 371   CheckerContentLayerClient picture_client(picture_bounds, SK_ColorGREEN, true);
 372   scoped_refptr<PictureLayer> picture = PictureLayer::Create(&picture_client);
 373   picture->SetBounds(picture_bounds);
 374   picture->SetIsDrawable(true);
 375
 376   scoped_refptr<SolidColorLayer> blur = CreateSolidColorLayer(
 377       gfx::Rect(100, 100), SK_ColorTRANSPARENT);
 378   background->AddChild(picture);
 379   background->AddChild(blur);
 380
 381   FilterOperations filters;
 382   filters.Append(FilterOperation::CreateBlurFilter(1.5f));
 383   blur->SetBackgroundFilters(filters);
 384
 385   gfx::Size mask_bounds(100, 100);
 386   CircleContentLayerClient mask_client(mask_bounds);
 387   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&mask_client);
 388   mask->SetBounds(mask_bounds);
 389   mask->SetIsDrawable(true);
 390   mask->SetIsMask(true);
 391   blur->SetMaskLayer(mask.get());
 392
 393   float percentage_pixels_large_error = 2.5f;  // 2.5%, ~250px / (100*100)
 394   float percentage_pixels_small_error = 0.0f;
 395   float average_error_allowed_in_bad_pixels = 100.0f;
 396   int large_error_allowed = 256;
 397   int small_error_allowed = 0;
 398   pixel_comparator_.reset(new FuzzyPixelComparator(
 399       true,  // discard_alpha
 400       percentage_pixels_large_error,
 401       percentage_pixels_small_error,
 402       average_error_allowed_in_bad_pixels,
 403       large_error_allowed,
 404       small_error_allowed));
 405
 406   RunPixelResourceTest(background,
 407                        base::FilePath(
 408                            FILE_PATH_LITERAL("mask_of_background_filter.png")));
 409 }
 410
 411 TEST_P(LayerTreeHostMasksForBackgroundFiltersPixelTest,
 412        MaskOfLayerWithBlend) {
 413   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
 414       gfx::Rect(128, 128), SK_ColorWHITE);
 415
 416   gfx::Size picture_bounds(128, 128);
 417   CheckerContentLayerClient picture_client_vertical(
 418       picture_bounds, SK_ColorGREEN, true);
 419   scoped_refptr<PictureLayer> picture_vertical =
 420       PictureLayer::Create(&picture_client_vertical);
 421   picture_vertical->SetBounds(picture_bounds);
 422   picture_vertical->SetIsDrawable(true);
 423
 424   CheckerContentLayerClient picture_client_horizontal(
 425       picture_bounds, SK_ColorMAGENTA, false);
 426   scoped_refptr<PictureLayer> picture_horizontal =
 427       PictureLayer::Create(&picture_client_horizontal);
 428   picture_horizontal->SetBounds(picture_bounds);
 429   picture_horizontal->SetIsDrawable(true);
 430   picture_horizontal->SetContentsOpaque(false);
 431   picture_horizontal->SetBlendMode(SkXfermode::kMultiply_Mode);
 432
 433   background->AddChild(picture_vertical);
 434   background->AddChild(picture_horizontal);
 435
 436   gfx::Size mask_bounds(128, 128);
 437   CircleContentLayerClient mask_client(mask_bounds);
 438   scoped_refptr<PictureLayer> mask = PictureLayer::Create(&mask_client);
 439   mask->SetBounds(mask_bounds);
 440   mask->SetIsDrawable(true);
 441   mask->SetIsMask(true);
 442   picture_horizontal->SetMaskLayer(mask.get());
 443
 444   float percentage_pixels_large_error = 0.04f;  // 0.04%, ~6px / (128*128)
 445   float percentage_pixels_small_error = 0.0f;
 446   float average_error_allowed_in_bad_pixels = 256.0f;
 447   int large_error_allowed = 256;
 448   int small_error_allowed = 0;
 449   pixel_comparator_.reset(new FuzzyPixelComparator(
 450       true,  // discard_alpha
 451       percentage_pixels_large_error,
 452       percentage_pixels_small_error,
 453       average_error_allowed_in_bad_pixels,
 454       large_error_allowed,
 455       small_error_allowed));
 456
 457   RunPixelResourceTest(background,
 458                        base::FilePath(
 459                            FILE_PATH_LITERAL("mask_of_layer_with_blend.png")));
 460 }
 461
 462 }  // namespace
 463 }  // namespace cc
 464
 465 #endif  // !defined(OS_ANDROID)