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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 "cc/layers/solid_color_layer.h" |
| 6 #include "cc/layers/texture_layer.h" |
| 7 #include "cc/test/layer_tree_pixel_test.h" |
| 8 |
| 9 #if !defined(OS_ANDROID) |
| 10 |
| 11 namespace cc { |
| 12 namespace { |
| 13 |
| 14 SkXfermode::Mode const kBlendModes[] = { |
| 15 SkXfermode::kSrcOver_Mode, SkXfermode::kScreen_Mode, |
| 16 SkXfermode::kOverlay_Mode, SkXfermode::kDarken_Mode, |
| 17 SkXfermode::kLighten_Mode, SkXfermode::kColorDodge_Mode, |
| 18 SkXfermode::kColorBurn_Mode, SkXfermode::kHardLight_Mode, |
| 19 SkXfermode::kSoftLight_Mode, SkXfermode::kDifference_Mode, |
| 20 SkXfermode::kExclusion_Mode, SkXfermode::kMultiply_Mode, |
| 21 SkXfermode::kHue_Mode, SkXfermode::kSaturation_Mode, |
| 22 SkXfermode::kColor_Mode, SkXfermode::kLuminosity_Mode}; |
| 23 |
| 24 const int kBlendModesCount = arraysize(kBlendModes); |
| 25 |
| 26 class LayerTreeHostBlendingPixelTest : public LayerTreePixelTest { |
| 27 protected: |
| 28 void RunBlendingWithRootPixelTestType(PixelTestType type) { |
| 29 const int kLaneWidth = 15; |
| 30 const int kLaneHeight = kBlendModesCount * kLaneWidth; |
| 31 const int kRootSize = (kBlendModesCount + 2) * kLaneWidth; |
| 32 |
| 33 scoped_refptr<SolidColorLayer> background = |
| 34 CreateSolidColorLayer(gfx::Rect(kRootSize, kRootSize), kCSSOrange); |
| 35 |
| 36 // Orange child layers will blend with the green background |
| 37 for (int i = 0; i < kBlendModesCount; ++i) { |
| 38 gfx::Rect child_rect( |
| 39 (i + 1) * kLaneWidth, kLaneWidth, kLaneWidth, kLaneHeight); |
| 40 scoped_refptr<SolidColorLayer> green_lane = |
| 41 CreateSolidColorLayer(child_rect, kCSSGreen); |
| 42 background->AddChild(green_lane); |
| 43 green_lane->SetBlendMode(kBlendModes[i]); |
| 44 } |
| 45 |
| 46 RunPixelTest(type, |
| 47 background, |
| 48 base::FilePath(FILE_PATH_LITERAL("blending_with_root.png"))); |
| 49 } |
| 50 |
| 51 void RunBlendingWithTransparentPixelTestType(PixelTestType type) { |
| 52 const int kLaneWidth = 15; |
| 53 const int kLaneHeight = kBlendModesCount * kLaneWidth; |
| 54 const int kRootSize = (kBlendModesCount + 2) * kLaneWidth; |
| 55 |
| 56 scoped_refptr<SolidColorLayer> root = |
| 57 CreateSolidColorLayer(gfx::Rect(kRootSize, kRootSize), kCSSBrown); |
| 58 |
| 59 scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer( |
| 60 gfx::Rect(0, kLaneWidth * 2, kRootSize, kLaneWidth), kCSSOrange); |
| 61 |
| 62 root->AddChild(background); |
| 63 background->SetIsRootForIsolatedGroup(true); |
| 64 |
| 65 // Orange child layers will blend with the green background |
| 66 for (int i = 0; i < kBlendModesCount; ++i) { |
| 67 gfx::Rect child_rect( |
| 68 (i + 1) * kLaneWidth, -kLaneWidth, kLaneWidth, kLaneHeight); |
| 69 scoped_refptr<SolidColorLayer> green_lane = |
| 70 CreateSolidColorLayer(child_rect, kCSSGreen); |
| 71 background->AddChild(green_lane); |
| 72 green_lane->SetBlendMode(kBlendModes[i]); |
| 73 } |
| 74 |
| 75 RunPixelTest(type, |
| 76 root, |
| 77 base::FilePath(FILE_PATH_LITERAL("blending_transparent.png"))); |
| 78 } |
| 79 }; |
| 80 |
| 81 TEST_F(LayerTreeHostBlendingPixelTest, BlendingWithRoot_GL) { |
| 82 RunBlendingWithRootPixelTestType(GL_WITH_BITMAP); |
| 83 } |
| 84 |
| 85 TEST_F(LayerTreeHostBlendingPixelTest, BlendingWithBackgroundFilter) { |
| 86 const int kLaneWidth = 15; |
| 87 const int kLaneHeight = kBlendModesCount * kLaneWidth; |
| 88 const int kRootSize = (kBlendModesCount + 2) * kLaneWidth; |
| 89 |
| 90 scoped_refptr<SolidColorLayer> background = |
| 91 CreateSolidColorLayer(gfx::Rect(kRootSize, kRootSize), kCSSOrange); |
| 92 |
| 93 // Orange child layers have a background filter set and they will blend with |
| 94 // the green background |
| 95 for (int i = 0; i < kBlendModesCount; ++i) { |
| 96 gfx::Rect child_rect( |
| 97 (i + 1) * kLaneWidth, kLaneWidth, kLaneWidth, kLaneHeight); |
| 98 scoped_refptr<SolidColorLayer> green_lane = |
| 99 CreateSolidColorLayer(child_rect, kCSSGreen); |
| 100 background->AddChild(green_lane); |
| 101 |
| 102 FilterOperations filters; |
| 103 filters.Append(FilterOperation::CreateGrayscaleFilter(.75)); |
| 104 green_lane->SetBackgroundFilters(filters); |
| 105 green_lane->SetBlendMode(kBlendModes[i]); |
| 106 } |
| 107 |
| 108 RunPixelTest(GL_WITH_BITMAP, |
| 109 background, |
| 110 base::FilePath(FILE_PATH_LITERAL("blending_and_filter.png"))); |
| 111 } |
| 112 |
| 113 TEST_F(LayerTreeHostBlendingPixelTest, BlendingWithTransparent_GL) { |
| 114 RunBlendingWithTransparentPixelTestType(GL_WITH_BITMAP); |
| 115 } |
| 116 |
| 117 } // namespace |
| 118 } // namespace cc |
| 119 |
| 120 #endif // OS_ANDROID |
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