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cc / trees / layer_tree_host_pixeltest_mirror.cc [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "build/build_config.h"
#include "cc/layers/mirror_layer.h"
#include "cc/layers/solid_color_layer.h"
#include "cc/test/layer_tree_pixel_test.h"
#include "cc/test/pixel_comparator.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/transform_util.h"
#if !BUILDFLAG(IS_ANDROID)
namespace cc {
namespace {
class LayerTreeHostMirrorPixelTest
: public LayerTreePixelTest,
public ::testing::WithParamInterface<viz::RendererType> {
protected:
LayerTreeHostMirrorPixelTest() : LayerTreePixelTest(renderer_type()) {}
viz::RendererType renderer_type() const { return GetParam(); }
};
INSTANTIATE_TEST_SUITE_P(All,
LayerTreeHostMirrorPixelTest,
::testing::ValuesIn(viz::GetRendererTypes()),
::testing::PrintToStringParamName());
// Verifies that a mirror layer with a scale mirrors another layer correctly.
TEST_P(LayerTreeHostMirrorPixelTest, MirrorLayer) {
const float scale = 2.f;
gfx::Rect background_bounds(120, 180);
gfx::Rect mirrored_bounds(10, 10, 50, 50);
gfx::Rect mirror_bounds(10, 70, 100, 100);
auto background = CreateSolidColorLayer(background_bounds, SK_ColorWHITE);
auto mirrored_layer = CreateSolidColorLayerWithBorder(
mirrored_bounds, SK_ColorGREEN, 5, SK_ColorBLUE);
auto mirror_layer = MirrorLayer::Create(mirrored_layer);
mirror_layer->SetIsDrawable(true);
mirror_layer->SetBounds(mirror_bounds.size());
mirror_layer->SetPosition(gfx::PointF(mirror_bounds.origin()));
mirror_layer->SetTransform(gfx::GetScaleTransform(gfx::Point(), scale));
background->AddChild(mirrored_layer);
background->AddChild(mirror_layer);
if (use_software_renderer()) {
pixel_comparator_ = std::make_unique<FuzzyPixelComparator>(
FuzzyPixelComparator()
.DiscardAlpha()
.SetErrorPixelsPercentageLimit(3.f)
.SetAvgAbsErrorLimit(65.f)
.SetAbsErrorLimit(120));
}
if (use_skia_vulkan() || use_skia_graphite()) {
pixel_comparator_ =
std::make_unique<AlphaDiscardingFuzzyPixelOffByOneComparator>();
}
RunPixelTest(background,
base::FilePath(FILE_PATH_LITERAL("mirror_layer.png")));
}
} // namespace
} // namespace cc
#endif // !BUILDFLAG(IS_ANDROID)