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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/paint/display_item_list.h" | 5 #include "cc/paint/display_item_list.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/memory/ptr_util.h" | 11 #include "base/memory/ptr_util.h" |
12 #include "base/trace_event/trace_event_argument.h" | 12 #include "base/trace_event/trace_event_argument.h" |
13 #include "cc/base/filter_operation.h" | 13 #include "cc/base/filter_operation.h" |
14 #include "cc/base/filter_operations.h" | 14 #include "cc/base/filter_operations.h" |
15 #include "cc/paint/clip_display_item.h" | 15 #include "cc/paint/clip_display_item.h" |
16 #include "cc/paint/clip_path_display_item.h" | 16 #include "cc/paint/clip_path_display_item.h" |
17 #include "cc/paint/compositing_display_item.h" | 17 #include "cc/paint/compositing_display_item.h" |
18 #include "cc/paint/drawing_display_item.h" | 18 #include "cc/paint/drawing_display_item.h" |
19 #include "cc/paint/filter_display_item.h" | 19 #include "cc/paint/filter_display_item.h" |
| 20 |
20 #include "cc/paint/float_clip_display_item.h" | 21 #include "cc/paint/float_clip_display_item.h" |
21 #include "cc/paint/paint_canvas.h" | 22 #include "cc/paint/paint_canvas.h" |
22 #include "cc/paint/paint_flags.h" | 23 #include "cc/paint/paint_flags.h" |
23 #include "cc/paint/paint_record.h" | 24 #include "cc/paint/paint_record.h" |
24 #include "cc/paint/paint_recorder.h" | 25 #include "cc/paint/paint_recorder.h" |
25 #include "cc/paint/skia_paint_canvas.h" | |
26 #include "cc/paint/transform_display_item.h" | 26 #include "cc/paint/transform_display_item.h" |
27 #include "cc/test/geometry_test_utils.h" | 27 #include "cc/test/geometry_test_utils.h" |
28 #include "cc/test/pixel_test_utils.h" | 28 #include "cc/test/pixel_test_utils.h" |
29 #include "cc/test/skia_common.h" | 29 #include "cc/test/skia_common.h" |
30 #include "cc/test/test_skcanvas.h" | |
31 #include "testing/gmock/include/gmock/gmock.h" | 30 #include "testing/gmock/include/gmock/gmock.h" |
32 #include "testing/gtest/include/gtest/gtest.h" | 31 #include "testing/gtest/include/gtest/gtest.h" |
33 #include "third_party/skia/include/core/SkBitmap.h" | 32 #include "third_party/skia/include/core/SkBitmap.h" |
34 #include "third_party/skia/include/core/SkColor.h" | 33 #include "third_party/skia/include/core/SkColor.h" |
35 #include "third_party/skia/include/core/SkSurface.h" | 34 #include "third_party/skia/include/core/SkSurface.h" |
36 #include "third_party/skia/include/effects/SkColorMatrixFilter.h" | 35 #include "third_party/skia/include/effects/SkColorMatrixFilter.h" |
37 #include "third_party/skia/include/effects/SkImageSource.h" | 36 #include "third_party/skia/include/effects/SkImageSource.h" |
38 #include "ui/gfx/geometry/rect.h" | 37 #include "ui/gfx/geometry/rect.h" |
39 #include "ui/gfx/geometry/rect_conversions.h" | 38 #include "ui/gfx/geometry/rect_conversions.h" |
40 #include "ui/gfx/skia_util.h" | 39 #include "ui/gfx/skia_util.h" |
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74 sk_sp<const PaintRecord> CreateRectPicture(const gfx::Rect& bounds) { | 73 sk_sp<const PaintRecord> CreateRectPicture(const gfx::Rect& bounds) { |
75 PaintRecorder recorder; | 74 PaintRecorder recorder; |
76 PaintCanvas* canvas = | 75 PaintCanvas* canvas = |
77 recorder.beginRecording(bounds.width(), bounds.height()); | 76 recorder.beginRecording(bounds.width(), bounds.height()); |
78 canvas->drawRect( | 77 canvas->drawRect( |
79 SkRect::MakeXYWH(bounds.x(), bounds.y(), bounds.width(), bounds.height()), | 78 SkRect::MakeXYWH(bounds.x(), bounds.y(), bounds.width(), bounds.height()), |
80 PaintFlags()); | 79 PaintFlags()); |
81 return recorder.finishRecordingAsPicture(); | 80 return recorder.finishRecordingAsPicture(); |
82 } | 81 } |
83 | 82 |
84 sk_sp<const PaintRecord> CreateRectPictureWithAlpha(const gfx::Rect& bounds, | |
85 uint8_t alpha) { | |
86 PaintRecorder recorder; | |
87 PaintCanvas* canvas = | |
88 recorder.beginRecording(bounds.width(), bounds.height()); | |
89 PaintFlags flags; | |
90 flags.setAlpha(alpha); | |
91 canvas->drawRect( | |
92 SkRect::MakeXYWH(bounds.x(), bounds.y(), bounds.width(), bounds.height()), | |
93 flags); | |
94 return recorder.finishRecordingAsPicture(); | |
95 } | |
96 | |
97 void AppendFirstSerializationTestPicture(scoped_refptr<DisplayItemList> list, | 83 void AppendFirstSerializationTestPicture(scoped_refptr<DisplayItemList> list, |
98 const gfx::Size& layer_size) { | 84 const gfx::Size& layer_size) { |
99 gfx::PointF offset(2.f, 3.f); | 85 gfx::PointF offset(2.f, 3.f); |
100 PaintRecorder recorder; | 86 PaintRecorder recorder; |
101 | 87 |
102 PaintFlags red_paint; | 88 PaintFlags red_paint; |
103 red_paint.setColor(SK_ColorRED); | 89 red_paint.setColor(SK_ColorRED); |
104 | 90 |
105 PaintCanvas* canvas = recorder.beginRecording(SkRect::MakeXYWH( | 91 PaintCanvas* canvas = recorder.beginRecording(SkRect::MakeXYWH( |
106 offset.x(), offset.y(), layer_size.width(), layer_size.height())); | 92 offset.x(), offset.y(), layer_size.width(), layer_size.height())); |
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711 list->CreateAndAppendPairedEndItem<EndFilterDisplayItem>(); | 697 list->CreateAndAppendPairedEndItem<EndFilterDisplayItem>(); |
712 list->CreateAndAppendPairedEndItem<EndClipDisplayItem>(); | 698 list->CreateAndAppendPairedEndItem<EndClipDisplayItem>(); |
713 | 699 |
714 EXPECT_EQ(4u, list->size()); | 700 EXPECT_EQ(4u, list->size()); |
715 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(0)); | 701 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(0)); |
716 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(1)); | 702 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(1)); |
717 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(2)); | 703 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(2)); |
718 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(3)); | 704 EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(3)); |
719 } | 705 } |
720 | 706 |
721 // Verify that raster time optimizations for compositing item / draw single op / | |
722 // end compositing item can be collapsed together into a single draw op | |
723 // with the opacity from the compositing item folded in. | |
724 TEST(DisplayItemListTest, SaveDrawRestore) { | |
725 auto list = make_scoped_refptr(new DisplayItemList); | |
726 | |
727 list->CreateAndAppendPairedBeginItem<CompositingDisplayItem>( | |
728 80, SkBlendMode::kSrcOver, nullptr, nullptr, false); | |
729 list->CreateAndAppendDrawingItem<DrawingDisplayItem>( | |
730 kVisualRect, CreateRectPictureWithAlpha(kVisualRect, 40)); | |
731 list->CreateAndAppendPairedEndItem<EndCompositingDisplayItem>(); | |
732 list->Finalize(); | |
733 | |
734 SaveCountingCanvas canvas; | |
735 list->Raster(&canvas, nullptr); | |
736 | |
737 EXPECT_EQ(0, canvas.save_count_); | |
738 EXPECT_EQ(0, canvas.restore_count_); | |
739 EXPECT_EQ(gfx::RectToSkRect(kVisualRect), canvas.draw_rect_); | |
740 | |
741 float expected_alpha = 80 * 40 / 255.f; | |
742 EXPECT_LE(std::abs(expected_alpha - canvas.paint_.getAlpha()), 1.f); | |
743 } | |
744 | |
745 // Verify that compositing item / end compositing item is a noop. | |
746 // Here we're testing that Skia does an optimization that skips | |
747 // save/restore with nothing in between. If skia stops doing this | |
748 // then we should reimplement this optimization in display list raster. | |
749 TEST(DisplayItemListTest, SaveRestoreNoops) { | |
750 auto list = make_scoped_refptr(new DisplayItemList); | |
751 | |
752 list->CreateAndAppendPairedBeginItem<CompositingDisplayItem>( | |
753 80, SkBlendMode::kSrcOver, nullptr, nullptr, false); | |
754 list->CreateAndAppendPairedEndItem<EndCompositingDisplayItem>(); | |
755 list->CreateAndAppendPairedBeginItem<CompositingDisplayItem>( | |
756 255, SkBlendMode::kSrcOver, nullptr, nullptr, false); | |
757 list->CreateAndAppendPairedEndItem<EndCompositingDisplayItem>(); | |
758 list->CreateAndAppendPairedBeginItem<CompositingDisplayItem>( | |
759 255, SkBlendMode::kSrc, nullptr, nullptr, false); | |
760 list->CreateAndAppendPairedEndItem<EndCompositingDisplayItem>(); | |
761 list->Finalize(); | |
762 | |
763 SaveCountingCanvas canvas; | |
764 list->Raster(&canvas, nullptr); | |
765 | |
766 EXPECT_EQ(0, canvas.save_count_); | |
767 EXPECT_EQ(0, canvas.restore_count_); | |
768 } | |
769 | |
770 // The same as SaveDrawRestore, but with save flags that prevent the | |
771 // optimization. | |
772 TEST(DisplayItemListTest, SaveDrawRestoreFail_BadSaveFlags) { | |
773 auto list = make_scoped_refptr(new DisplayItemList); | |
774 | |
775 // Use a blend mode that's not compatible with the SaveDrawRestore | |
776 // optimization. | |
777 list->CreateAndAppendPairedBeginItem<CompositingDisplayItem>( | |
778 80, SkBlendMode::kSrc, nullptr, nullptr, false); | |
779 list->CreateAndAppendDrawingItem<DrawingDisplayItem>( | |
780 kVisualRect, CreateRectPictureWithAlpha(kVisualRect, 40)); | |
781 list->CreateAndAppendPairedEndItem<EndCompositingDisplayItem>(); | |
782 list->Finalize(); | |
783 | |
784 SaveCountingCanvas canvas; | |
785 list->Raster(&canvas, nullptr); | |
786 | |
787 EXPECT_EQ(1, canvas.save_count_); | |
788 EXPECT_EQ(1, canvas.restore_count_); | |
789 EXPECT_EQ(gfx::RectToSkRect(kVisualRect), canvas.draw_rect_); | |
790 EXPECT_LE(40, canvas.paint_.getAlpha()); | |
791 } | |
792 | |
793 // The same as SaveDrawRestore, but with too many ops in the PaintRecord. | |
794 TEST(DisplayItemListTest, SaveDrawRestoreFail_TooManyOps) { | |
795 sk_sp<const PaintRecord> record; | |
796 { | |
797 PaintRecorder recorder; | |
798 PaintCanvas* canvas = | |
799 recorder.beginRecording(kVisualRect.width(), kVisualRect.height()); | |
800 PaintFlags flags; | |
801 flags.setAlpha(40); | |
802 canvas->drawRect(gfx::RectToSkRect(kVisualRect), flags); | |
803 // Add an extra op here. | |
804 canvas->drawRect(gfx::RectToSkRect(kVisualRect), flags); | |
805 record = recorder.finishRecordingAsPicture(); | |
806 } | |
807 EXPECT_GT(record->approximateOpCount(), 1); | |
808 | |
809 auto list = make_scoped_refptr(new DisplayItemList); | |
810 | |
811 list->CreateAndAppendPairedBeginItem<CompositingDisplayItem>( | |
812 80, SkBlendMode::kSrcOver, nullptr, nullptr, false); | |
813 list->CreateAndAppendDrawingItem<DrawingDisplayItem>(kVisualRect, | |
814 std::move(record)); | |
815 list->CreateAndAppendPairedEndItem<EndCompositingDisplayItem>(); | |
816 list->Finalize(); | |
817 | |
818 SaveCountingCanvas canvas; | |
819 list->Raster(&canvas, nullptr); | |
820 | |
821 EXPECT_EQ(1, canvas.save_count_); | |
822 EXPECT_EQ(1, canvas.restore_count_); | |
823 EXPECT_EQ(gfx::RectToSkRect(kVisualRect), canvas.draw_rect_); | |
824 EXPECT_LE(40, canvas.paint_.getAlpha()); | |
825 } | |
826 | |
827 } // namespace cc | 707 } // namespace cc |
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