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https://github.com/encounter/engine.git
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Jim Graham
85953615eb
Currently helps primarily on iOS when no BackdropFilter is present by lowering energy usage
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLOW_TESTING_LAYER_TEST_H_
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#define FLOW_TESTING_LAYER_TEST_H_
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#include "flutter/flow/layers/layer.h"
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#include <optional>
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#include <utility>
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#include "flutter/fml/macros.h"
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#include "flutter/testing/canvas_test.h"
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#include "flutter/testing/mock_canvas.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "third_party/skia/include/core/SkImageInfo.h"
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#include "third_party/skia/include/utils/SkNWayCanvas.h"
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namespace flutter {
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namespace testing {
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// This fixture allows generating tests which can |Paint()| and |Preroll()|
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// |Layer|'s.
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// |LayerTest| is a default implementation based on |::testing::Test|.
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//
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// |BaseT| should be the base test type, such as |::testing::Test| below.
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template <typename BaseT>
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class LayerTestBase : public CanvasTestBase<BaseT> {
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using TestT = CanvasTestBase<BaseT>;
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public:
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LayerTestBase()
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: preroll_context_({
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nullptr, /* raster_cache */
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nullptr, /* gr_context */
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nullptr, /* external_view_embedder */
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mutators_stack_, TestT::mock_canvas().imageInfo().colorSpace(),
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kGiantRect, /* cull_rect */
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false, /* layer reads from surface */
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raster_time_, ui_time_, texture_registry_,
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false, /* checkerboard_offscreen_layers */
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100.0f, /* frame_physical_depth */
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1.0f, /* frame_device_pixel_ratio */
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0.0f, /* total_elevation */
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false, /* has_platform_view */
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}),
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paint_context_({
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TestT::mock_canvas().internal_canvas(), /* internal_nodes_canvas */
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&TestT::mock_canvas(), /* leaf_nodes_canvas */
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nullptr, /* gr_context */
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nullptr, /* external_view_embedder */
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raster_time_, ui_time_, texture_registry_,
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nullptr, /* raster_cache */
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false, /* checkerboard_offscreen_layers */
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100.0f, /* frame_physical_depth */
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1.0f, /* frame_device_pixel_ratio */
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}) {}
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TextureRegistry& texture_regitry() { return texture_registry_; }
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PrerollContext* preroll_context() { return &preroll_context_; }
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Layer::PaintContext& paint_context() { return paint_context_; }
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private:
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Stopwatch raster_time_;
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Stopwatch ui_time_;
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MutatorsStack mutators_stack_;
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TextureRegistry texture_registry_;
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PrerollContext preroll_context_;
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Layer::PaintContext paint_context_;
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FML_DISALLOW_COPY_AND_ASSIGN(LayerTestBase);
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};
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using LayerTest = LayerTestBase<::testing::Test>;
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} // namespace testing
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} // namespace flutter
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#endif // FLOW_TESTING_LAYER_TEST_H_
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