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[Impeller] Add interactive Blur+Clip AiksTest. #49283

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Dec 20, 2023
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[Impeller] Add interactive Blur+Clip AiksTest. #49283

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46 changes: 46 additions & 0 deletions impeller/aiks/aiks_unittests.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -3909,6 +3909,52 @@ TEST_P(AiksTest, GaussianBlurRotatedAndClipped) {
ASSERT_TRUE(OpenPlaygroundHere(canvas.EndRecordingAsPicture()));
}

TEST_P(AiksTest, GaussianBlurRotatedAndClippedInteractive) {
std::shared_ptr<Texture> boston = CreateTextureForFixture("boston.jpg");

auto callback = [&](AiksContext& renderer) -> std::optional<Picture> {
const char* tile_mode_names[] = {"Clamp", "Repeat", "Mirror", "Decal"};
const Entity::TileMode tile_modes[] = {
Entity::TileMode::kClamp, Entity::TileMode::kRepeat,
Entity::TileMode::kMirror, Entity::TileMode::kDecal};

static float rotation = 0;
static int selected_tile_mode = 3;

ImGui::Begin("Controls", nullptr, ImGuiWindowFlags_AlwaysAutoResize);
{
ImGui::SliderFloat("Rotation (degrees)", &rotation, -180, 180);
ImGui::Combo("Tile mode", &selected_tile_mode, tile_mode_names,
sizeof(tile_mode_names) / sizeof(char*));
}
ImGui::End();

Canvas canvas;
Rect bounds =
Rect::MakeXYWH(0, 0, boston->GetSize().width, boston->GetSize().height);
Vector2 image_center = Vector2(bounds.GetSize() / 2);
Paint paint = {.image_filter =
ImageFilter::MakeBlur(Sigma(20.0), Sigma(20.0),
FilterContents::BlurStyle::kNormal,
tile_modes[selected_tile_mode])};
auto [handle_a, handle_b] = IMPELLER_PLAYGROUND_LINE(
Point(362, 309), Point(662, 459), 20, Color::Red(), Color::Red());
Vector2 center = Vector2(1024, 768) / 2;
canvas.Scale(GetContentScale());
canvas.ClipRect(
Rect::MakeLTRB(handle_a.x, handle_a.y, handle_b.x, handle_b.y));
canvas.Translate({center.x, center.y, 0});
canvas.Scale({0.6, 0.6, 1});
canvas.Rotate(Degrees(rotation));

canvas.DrawImageRect(std::make_shared<Image>(boston), /*source=*/bounds,
/*dest=*/bounds.Shift(-image_center), paint);
return canvas.EndRecordingAsPicture();
};

ASSERT_TRUE(OpenPlaygroundHere(callback));
}

TEST_P(AiksTest, SubpassWithClearColorOptimization) {
Canvas canvas;

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13 changes: 11 additions & 2 deletions impeller/entity/entity_unittests.cc
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Expand Up @@ -1008,6 +1008,7 @@ TEST_P(EntityTest, GaussianBlurFilter) {
static Color input_color = Color::Black();
static int selected_blur_type = 0;
static int selected_pass_variation = 0;
static bool combined_sigma = false;
static float blur_amount_coarse[2] = {0, 0};
static float blur_amount_fine[2] = {10, 10};
static int selected_blur_style = 0;
Expand Down Expand Up @@ -1039,8 +1040,16 @@ TEST_P(EntityTest, GaussianBlurFilter) {
pass_variation_names,
sizeof(pass_variation_names) / sizeof(char*));
}
ImGui::SliderFloat2("Sigma (coarse)", blur_amount_coarse, 0, 1000);
ImGui::SliderFloat2("Sigma (fine)", blur_amount_fine, 0, 10);
ImGui::Checkbox("Combined sigma", &combined_sigma);
if (combined_sigma) {
ImGui::SliderFloat("Sigma (coarse)", blur_amount_coarse, 0, 1000);
ImGui::SliderFloat("Sigma (fine)", blur_amount_fine, 0, 10);
blur_amount_coarse[1] = blur_amount_coarse[0];
blur_amount_fine[1] = blur_amount_fine[0];
} else {
ImGui::SliderFloat2("Sigma (coarse)", blur_amount_coarse, 0, 1000);
ImGui::SliderFloat2("Sigma (fine)", blur_amount_fine, 0, 10);
}
ImGui::Combo("Blur style", &selected_blur_style, blur_style_names,
sizeof(blur_style_names) / sizeof(char*));
ImGui::Combo("Tile mode", &selected_tile_mode, tile_mode_names,
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18 changes: 10 additions & 8 deletions impeller/golden_tests/golden_playground_test_mac.cc
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Expand Up @@ -33,20 +33,22 @@ static const std::vector<std::string> kSkipTests = {
"impeller_Play_AiksTest_ClippedBlurFilterRendersCorrectlyInteractive_Metal",
"impeller_Play_AiksTest_ClippedBlurFilterRendersCorrectlyInteractive_"
"Vulkan",
"impeller_Play_AiksTest_TextFrameSubpixelAlignment_Metal",
"impeller_Play_AiksTest_TextFrameSubpixelAlignment_Vulkan",
"impeller_Play_AiksTest_ColorWheel_Metal",
"impeller_Play_AiksTest_ColorWheel_Vulkan",
"impeller_Play_AiksTest_SolidStrokesRenderCorrectly_Metal",
"impeller_Play_AiksTest_SolidStrokesRenderCorrectly_Vulkan",
"impeller_Play_AiksTest_GradientStrokesRenderCorrectly_Metal",
"impeller_Play_AiksTest_GradientStrokesRenderCorrectly_Vulkan",
"impeller_Play_AiksTest_CoverageOriginShouldBeAccountedForInSubpasses_"
"Metal",
"impeller_Play_AiksTest_CoverageOriginShouldBeAccountedForInSubpasses_"
"Vulkan",
"impeller_Play_AiksTest_GaussianBlurRotatedAndClippedInteractive_Metal",
"impeller_Play_AiksTest_GaussianBlurRotatedAndClippedInteractive_Vulkan",
"impeller_Play_AiksTest_GradientStrokesRenderCorrectly_Metal",
"impeller_Play_AiksTest_GradientStrokesRenderCorrectly_Vulkan",
"impeller_Play_AiksTest_ColorWheel_Metal",
"impeller_Play_AiksTest_ColorWheel_Vulkan",
"impeller_Play_AiksTest_SceneColorSource_Metal",
"impeller_Play_AiksTest_SceneColorSource_Vulkan",
"impeller_Play_AiksTest_SolidStrokesRenderCorrectly_Metal",
"impeller_Play_AiksTest_SolidStrokesRenderCorrectly_Vulkan",
"impeller_Play_AiksTest_TextFrameSubpixelAlignment_Metal",
"impeller_Play_AiksTest_TextFrameSubpixelAlignment_Vulkan",
// TextRotated is flakey and we can't seem to get it to stabilize on Skia
// Gold.
"impeller_Play_AiksTest_TextRotated_Metal",
Expand Down