| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/flow/layers/physical_shape_layer.h" |
| |
| #include "flutter/display_list/display_list_canvas_dispatcher.h" |
| #include "flutter/flow/testing/diff_context_test.h" |
| #include "flutter/flow/testing/layer_test.h" |
| #include "flutter/flow/testing/mock_layer.h" |
| #include "flutter/fml/macros.h" |
| #include "flutter/testing/mock_canvas.h" |
| |
| namespace flutter { |
| namespace testing { |
| |
| using PhysicalShapeLayerTest = LayerTest; |
| |
| #ifndef NDEBUG |
| TEST_F(PhysicalShapeLayerTest, PaintingEmptyLayerDies) { |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorBLACK, SK_ColorBLACK, |
| 0.0f, // elevation |
| SkPath(), Clip::none); |
| |
| layer->Preroll(preroll_context(), SkMatrix()); |
| EXPECT_EQ(layer->paint_bounds(), SkRect::MakeEmpty()); |
| EXPECT_EQ(layer->child_paint_bounds(), SkRect::MakeEmpty()); |
| EXPECT_FALSE(layer->needs_painting(paint_context())); |
| |
| EXPECT_DEATH_IF_SUPPORTED(layer->Paint(paint_context()), |
| "needs_painting\\(context\\)"); |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, PaintBeforePrerollDies) { |
| SkPath child_path; |
| child_path.addRect(5.0f, 6.0f, 20.5f, 21.5f); |
| auto mock_layer = std::make_shared<MockLayer>(child_path, SkPaint()); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorBLACK, SK_ColorBLACK, |
| 0.0f, // elevation |
| SkPath(), Clip::none); |
| layer->Add(mock_layer); |
| |
| EXPECT_DEATH_IF_SUPPORTED(layer->Paint(paint_context()), |
| "needs_painting\\(context\\)"); |
| } |
| #endif |
| |
| TEST_F(PhysicalShapeLayerTest, NonEmptyLayer) { |
| SkPath layer_path; |
| layer_path.addRect(5.0f, 6.0f, 20.5f, 21.5f); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorGREEN, SK_ColorBLACK, |
| 0.0f, // elevation |
| layer_path, Clip::none); |
| layer->Preroll(preroll_context(), SkMatrix()); |
| EXPECT_EQ(layer->paint_bounds(), layer_path.getBounds()); |
| EXPECT_EQ(layer->child_paint_bounds(), SkRect::MakeEmpty()); |
| EXPECT_TRUE(layer->needs_painting(paint_context())); |
| |
| SkPaint layer_paint; |
| layer_paint.setColor(SK_ColorGREEN); |
| layer_paint.setAntiAlias(true); |
| layer->Paint(paint_context()); |
| EXPECT_EQ(mock_canvas().draw_calls(), |
| std::vector({MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}})); |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, ChildrenLargerThanPathClip) { |
| SkPath layer_path; |
| layer_path.addRect(5.0f, 6.0f, 20.5f, 21.5f); |
| SkPath child1_path; |
| child1_path.addRect(4, 0, 12, 12).close(); |
| SkPath child2_path; |
| child2_path.addRect(3, 2, 5, 15).close(); |
| auto child1 = std::make_shared<PhysicalShapeLayer>(SK_ColorRED, SK_ColorBLACK, |
| 0.0f, // elevation |
| child1_path, Clip::none); |
| auto child2 = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorBLUE, SK_ColorBLACK, |
| 0.0f, // elevation |
| child2_path, Clip::none); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorGREEN, SK_ColorBLACK, |
| 0.0f, // elevation |
| layer_path, Clip::hardEdge); |
| layer->Add(child1); |
| layer->Add(child2); |
| |
| SkRect child_paint_bounds = SkRect::MakeEmpty(); |
| layer->Preroll(preroll_context(), SkMatrix()); |
| child_paint_bounds.join(child1->paint_bounds()); |
| child_paint_bounds.join(child2->paint_bounds()); |
| EXPECT_EQ(layer->paint_bounds(), layer_path.getBounds()); |
| EXPECT_NE(layer->paint_bounds(), child_paint_bounds); |
| EXPECT_EQ(layer->child_paint_bounds(), child_paint_bounds); |
| EXPECT_TRUE(layer->needs_painting(paint_context())); |
| |
| SkPaint layer_paint; |
| layer_paint.setColor(SK_ColorGREEN); |
| layer_paint.setAntiAlias(true); |
| SkPaint child1_paint; |
| child1_paint.setColor(SK_ColorRED); |
| child1_paint.setAntiAlias(true); |
| SkPaint child2_paint; |
| child2_paint.setColor(SK_ColorBLUE); |
| child2_paint.setAntiAlias(true); |
| layer->Paint(paint_context()); |
| EXPECT_EQ(mock_canvas().draw_calls(), |
| std::vector({ |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}, |
| MockCanvas::DrawCall{0, MockCanvas::SaveData{1}}, |
| MockCanvas::DrawCall{ |
| 1, MockCanvas::ClipRectData{layer_path.getBounds(), |
| SkClipOp::kIntersect}}, |
| MockCanvas::DrawCall{ |
| 1, MockCanvas::DrawPathData{child1_path, child1_paint}}, |
| MockCanvas::DrawCall{ |
| 1, MockCanvas::DrawPathData{child2_path, child2_paint}}, |
| MockCanvas::DrawCall{1, MockCanvas::RestoreData{0}}, |
| })); |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, ChildrenLargerThanPathNoClip) { |
| SkPath layer_path; |
| layer_path.addRect(5.0f, 6.0f, 20.5f, 21.5f); |
| SkPath child1_path; |
| child1_path.addRect(4, 0, 12, 12).close(); |
| SkPath child2_path; |
| child2_path.addRect(3, 2, 5, 15).close(); |
| auto child1 = std::make_shared<PhysicalShapeLayer>(SK_ColorRED, SK_ColorBLACK, |
| 0.0f, // elevation |
| child1_path, Clip::none); |
| auto child2 = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorBLUE, SK_ColorBLACK, |
| 0.0f, // elevation |
| child2_path, Clip::none); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorGREEN, SK_ColorBLACK, |
| 0.0f, // elevation |
| layer_path, Clip::none); |
| layer->Add(child1); |
| layer->Add(child2); |
| |
| layer->Preroll(preroll_context(), SkMatrix()); |
| SkRect child_bounds = child1->paint_bounds(); |
| child_bounds.join(child2->paint_bounds()); |
| SkRect total_bounds = child_bounds; |
| total_bounds.join(layer_path.getBounds()); |
| EXPECT_NE(layer->paint_bounds(), layer_path.getBounds()); |
| EXPECT_EQ(layer->paint_bounds(), total_bounds); |
| EXPECT_EQ(layer->child_paint_bounds(), child_bounds); |
| EXPECT_TRUE(layer->needs_painting(paint_context())); |
| |
| SkPaint layer_paint; |
| layer_paint.setColor(SK_ColorGREEN); |
| layer_paint.setAntiAlias(true); |
| SkPaint child1_paint; |
| child1_paint.setColor(SK_ColorRED); |
| child1_paint.setAntiAlias(true); |
| SkPaint child2_paint; |
| child2_paint.setColor(SK_ColorBLUE); |
| child2_paint.setAntiAlias(true); |
| layer->Paint(paint_context()); |
| EXPECT_EQ( |
| mock_canvas().draw_calls(), |
| std::vector({MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}, |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{child1_path, child1_paint}}, |
| MockCanvas::DrawCall{0, MockCanvas::DrawPathData{ |
| child2_path, child2_paint}}})); |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, ElevationSimple) { |
| constexpr float initial_elevation = 20.0f; |
| SkPath layer_path; |
| layer_path.addRect(0, 0, 8, 8).close(); |
| auto layer = std::make_shared<PhysicalShapeLayer>( |
| SK_ColorGREEN, SK_ColorBLACK, initial_elevation, layer_path, Clip::none); |
| |
| layer->Preroll(preroll_context(), SkMatrix()); |
| // The Fuchsia system compositor handles all elevated PhysicalShapeLayers and |
| // their shadows , so we do not do any painting there. |
| EXPECT_EQ(layer->paint_bounds(), |
| DisplayListCanvasDispatcher::ComputeShadowBounds( |
| layer_path, initial_elevation, 1.0f, SkMatrix())); |
| EXPECT_TRUE(layer->needs_painting(paint_context())); |
| EXPECT_EQ(layer->elevation(), initial_elevation); |
| |
| SkPaint layer_paint; |
| layer_paint.setColor(SK_ColorGREEN); |
| layer_paint.setAntiAlias(true); |
| layer->Paint(paint_context()); |
| EXPECT_EQ( |
| mock_canvas().draw_calls(), |
| std::vector( |
| {MockCanvas::DrawCall{0, MockCanvas::DrawShadowData{layer_path}}, |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}})); |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, ElevationComplex) { |
| // The layer tree should look like this: |
| // layers[0] +1.0f = 1.0f |
| // | \ |
| // | \ |
| // | \ |
| // | layers[2] +3.0f = 4.0f |
| // | | |
| // | layers[3] +4.0f = 8.0f |
| // | |
| // | |
| // layers[1] + 2.0f = 3.0f |
| constexpr float initial_elevations[4] = {1.0f, 2.0f, 3.0f, 4.0f}; |
| SkPath layer_path; |
| layer_path.addRect(0, 0, 80, 80).close(); |
| |
| std::shared_ptr<PhysicalShapeLayer> layers[4]; |
| for (int i = 0; i < 4; i += 1) { |
| layers[i] = std::make_shared<PhysicalShapeLayer>( |
| SK_ColorBLACK, SK_ColorBLACK, initial_elevations[i], layer_path, |
| Clip::none); |
| } |
| layers[0]->Add(layers[1]); |
| layers[0]->Add(layers[2]); |
| layers[2]->Add(layers[3]); |
| |
| layers[0]->Preroll(preroll_context(), SkMatrix()); |
| for (int i = 0; i < 4; i += 1) { |
| // On Fuchsia, the system compositor handles all elevated |
| // PhysicalShapeLayers and their shadows , so we do not do any painting |
| // there. |
| SkRect paint_bounds = DisplayListCanvasDispatcher::ComputeShadowBounds( |
| layer_path, initial_elevations[i], 1.0f /* pixel_ratio */, SkMatrix()); |
| |
| // Without clipping the children will be painted as well |
| for (auto layer : layers[i]->layers()) { |
| paint_bounds.join(layer->paint_bounds()); |
| } |
| EXPECT_EQ(layers[i]->paint_bounds(), paint_bounds); |
| EXPECT_TRUE(layers[i]->needs_painting(paint_context())); |
| } |
| |
| SkPaint layer_paint; |
| layer_paint.setColor(SK_ColorBLACK); |
| layer_paint.setAntiAlias(true); |
| layers[0]->Paint(paint_context()); |
| EXPECT_EQ( |
| mock_canvas().draw_calls(), |
| std::vector( |
| {MockCanvas::DrawCall{0, MockCanvas::DrawShadowData{layer_path}}, |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}, |
| MockCanvas::DrawCall{0, MockCanvas::DrawShadowData{layer_path}}, |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}, |
| MockCanvas::DrawCall{0, MockCanvas::DrawShadowData{layer_path}}, |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}, |
| MockCanvas::DrawCall{0, MockCanvas::DrawShadowData{layer_path}}, |
| MockCanvas::DrawCall{ |
| 0, MockCanvas::DrawPathData{layer_path, layer_paint}}})); |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, ShadowNotDependsCtm) { |
| constexpr SkScalar elevations[] = {1, 2, 3, 4, 5, 10}; |
| constexpr SkScalar scales[] = {0.5, 1, 1.5, 2, 3, 5}; |
| constexpr SkScalar translates[] = {0, 1, -1, 0.5, 2, 10}; |
| |
| SkPath path; |
| path.addRect(0, 0, 8, 8).close(); |
| |
| for (SkScalar elevation : elevations) { |
| SkRect baseline_bounds = DisplayListCanvasDispatcher::ComputeShadowBounds( |
| path, elevation, 1.0f, SkMatrix()); |
| for (SkScalar scale : scales) { |
| for (SkScalar translateX : translates) { |
| for (SkScalar translateY : translates) { |
| SkMatrix ctm; |
| ctm.setScaleTranslate(scale, scale, translateX, translateY); |
| SkRect bounds = DisplayListCanvasDispatcher::ComputeShadowBounds( |
| path, elevation, scale, ctm); |
| EXPECT_FLOAT_EQ(bounds.fLeft, baseline_bounds.fLeft); |
| EXPECT_FLOAT_EQ(bounds.fTop, baseline_bounds.fTop); |
| EXPECT_FLOAT_EQ(bounds.fRight, baseline_bounds.fRight); |
| EXPECT_FLOAT_EQ(bounds.fBottom, baseline_bounds.fBottom); |
| } |
| } |
| } |
| } |
| } |
| |
| static int RasterizedDifferenceInPixels( |
| const std::function<void(SkCanvas*)>& actual_draw_function, |
| const std::function<void(SkCanvas*)>& expected_draw_function, |
| const SkSize& canvas_size) { |
| sk_sp<SkSurface> actual_surface = |
| SkSurface::MakeRasterN32Premul(canvas_size.width(), canvas_size.height()); |
| sk_sp<SkSurface> expected_surface = |
| SkSurface::MakeRasterN32Premul(canvas_size.width(), canvas_size.height()); |
| |
| actual_surface->getCanvas()->drawColor(SK_ColorWHITE); |
| expected_surface->getCanvas()->drawColor(SK_ColorWHITE); |
| |
| actual_draw_function(actual_surface->getCanvas()); |
| expected_draw_function(expected_surface->getCanvas()); |
| |
| SkPixmap actual_pixels; |
| EXPECT_TRUE(actual_surface->peekPixels(&actual_pixels)); |
| |
| SkPixmap expected_pixels; |
| EXPECT_TRUE(expected_surface->peekPixels(&expected_pixels)); |
| |
| int different_pixels = 0; |
| for (int y = 0; y < canvas_size.height(); y++) { |
| const uint32_t* actual_row = actual_pixels.addr32(0, y); |
| const uint32_t* expected_row = expected_pixels.addr32(0, y); |
| for (int x = 0; x < canvas_size.width(); x++) { |
| if (actual_row[x] != expected_row[x]) { |
| different_pixels++; |
| } |
| } |
| } |
| return different_pixels; |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, ShadowNotDependsPathSize) { |
| constexpr SkRect test_cases[][2] = { |
| {{20, -100, 80, 80}, {20, -1000, 80, 80}}, |
| {{20, 20, 80, 200}, {20, 20, 80, 2000}}, |
| }; |
| |
| for (const SkRect* test_case : test_cases) { |
| EXPECT_EQ(RasterizedDifferenceInPixels( |
| [=](SkCanvas* canvas) { |
| SkPath path; |
| path.addRect(test_case[0]).close(); |
| DisplayListCanvasDispatcher::DrawShadow( |
| canvas, path, SK_ColorBLACK, 1.0f, false, 1.0f); |
| }, |
| [=](SkCanvas* canvas) { |
| SkPath path; |
| path.addRect(test_case[1]).close(); |
| DisplayListCanvasDispatcher::DrawShadow( |
| canvas, path, SK_ColorBLACK, 1.0f, false, 1.0f); |
| }, |
| SkSize::Make(100, 100)), |
| 0); |
| } |
| } |
| |
| static bool ReadbackResult(PrerollContext* context, |
| Clip clip_behavior, |
| std::shared_ptr<Layer> child, |
| bool before) { |
| const SkMatrix initial_matrix = SkMatrix(); |
| const SkRect layer_bounds = SkRect::MakeXYWH(0.5, 1.0, 5.0, 6.0); |
| const SkPath layer_path = SkPath().addRect(layer_bounds); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorGREEN, SK_ColorBLACK, |
| 0.0f, // elevation |
| layer_path, clip_behavior); |
| if (child != nullptr) { |
| layer->Add(child); |
| } |
| context->surface_needs_readback = before; |
| layer->Preroll(context, initial_matrix); |
| return context->surface_needs_readback; |
| } |
| |
| TEST_F(PhysicalShapeLayerTest, Readback) { |
| PrerollContext* context = preroll_context(); |
| SkPath path; |
| SkPaint paint; |
| |
| const Clip hard = Clip::hardEdge; |
| const Clip soft = Clip::antiAlias; |
| const Clip save_layer = Clip::antiAliasWithSaveLayer; |
| |
| std::shared_ptr<MockLayer> nochild; |
| auto reader = std::make_shared<MockLayer>(path, paint, false, true); |
| auto nonreader = std::make_shared<MockLayer>(path, paint); |
| |
| // No children, no prior readback -> no readback after |
| EXPECT_FALSE(ReadbackResult(context, hard, nochild, false)); |
| EXPECT_FALSE(ReadbackResult(context, soft, nochild, false)); |
| EXPECT_FALSE(ReadbackResult(context, save_layer, nochild, false)); |
| |
| // No children, prior readback -> readback after |
| EXPECT_TRUE(ReadbackResult(context, hard, nochild, true)); |
| EXPECT_TRUE(ReadbackResult(context, soft, nochild, true)); |
| EXPECT_TRUE(ReadbackResult(context, save_layer, nochild, true)); |
| |
| // Non readback child, no prior readback -> no readback after |
| EXPECT_FALSE(ReadbackResult(context, hard, nonreader, false)); |
| EXPECT_FALSE(ReadbackResult(context, soft, nonreader, false)); |
| EXPECT_FALSE(ReadbackResult(context, save_layer, nonreader, false)); |
| |
| // Non readback child, prior readback -> readback after |
| EXPECT_TRUE(ReadbackResult(context, hard, nonreader, true)); |
| EXPECT_TRUE(ReadbackResult(context, soft, nonreader, true)); |
| EXPECT_TRUE(ReadbackResult(context, save_layer, nonreader, true)); |
| |
| // Readback child, no prior readback -> readback after unless SaveLayer |
| EXPECT_TRUE(ReadbackResult(context, hard, reader, false)); |
| EXPECT_TRUE(ReadbackResult(context, soft, reader, false)); |
| EXPECT_FALSE(ReadbackResult(context, save_layer, reader, false)); |
| |
| // Readback child, prior readback -> readback after |
| EXPECT_TRUE(ReadbackResult(context, hard, reader, true)); |
| EXPECT_TRUE(ReadbackResult(context, soft, reader, true)); |
| EXPECT_TRUE(ReadbackResult(context, save_layer, reader, true)); |
| } |
| |
| using PhysicalShapeLayerDiffTest = DiffContextTest; |
| |
| TEST_F(PhysicalShapeLayerDiffTest, NoClipPaintRegion) { |
| MockLayerTree tree1; |
| const SkPath layer_path = SkPath().addRect(SkRect::MakeXYWH(0, 0, 100, 100)); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorGREEN, SK_ColorBLACK, |
| 0.0f, // elevation |
| layer_path, Clip::none); |
| |
| const SkPath layer_path2 = |
| SkPath().addRect(SkRect::MakeXYWH(200, 200, 200, 200)); |
| auto layer2 = std::make_shared<MockLayer>(layer_path2); |
| layer->Add(layer2); |
| tree1.root()->Add(layer); |
| |
| auto damage = DiffLayerTree(tree1, MockLayerTree()); |
| EXPECT_EQ(damage.frame_damage, SkIRect::MakeLTRB(0, 0, 400, 400)); |
| } |
| |
| TEST_F(PhysicalShapeLayerDiffTest, ClipPaintRegion) { |
| MockLayerTree tree1; |
| const SkPath layer_path = SkPath().addRect(SkRect::MakeXYWH(0, 0, 100, 100)); |
| auto layer = |
| std::make_shared<PhysicalShapeLayer>(SK_ColorGREEN, SK_ColorBLACK, |
| 0.0f, // elevation |
| layer_path, Clip::hardEdge); |
| |
| const SkPath layer_path2 = |
| SkPath().addRect(SkRect::MakeXYWH(200, 200, 200, 200)); |
| auto layer2 = std::make_shared<MockLayer>(layer_path2); |
| layer->Add(layer2); |
| tree1.root()->Add(layer); |
| |
| auto damage = DiffLayerTree(tree1, MockLayerTree()); |
| EXPECT_EQ(damage.frame_damage, SkIRect::MakeLTRB(0, 0, 100, 100)); |
| } |
| |
| } // namespace testing |
| } // namespace flutter |
