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9af7a2a64d
Migrates Layers and LayerTree and parts of the `flow/` utility classes to use DlGeometry (Impeller) classes.
53 lines
1.4 KiB
C++
53 lines
1.4 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 FLUTTER_FLOW_LAYERS_CACHEABLE_LAYER_H_
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#define FLUTTER_FLOW_LAYERS_CACHEABLE_LAYER_H_
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#include <memory>
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#include "flutter/flow/layers/container_layer.h"
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#include "flutter/flow/layers/layer_raster_cache_item.h"
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#include "flutter/flow/raster_cache_util.h"
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namespace flutter {
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class AutoCache {
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public:
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AutoCache(RasterCacheItem* raster_cache_item,
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PrerollContext* context,
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const DlMatrix& matrix);
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void ShouldNotBeCached() { raster_cache_item_ = nullptr; }
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~AutoCache();
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private:
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inline bool IsCacheEnabled();
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RasterCacheItem* raster_cache_item_ = nullptr;
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[[maybe_unused]] PrerollContext* context_ = nullptr;
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const DlMatrix matrix_;
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};
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class CacheableContainerLayer : public ContainerLayer {
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public:
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explicit CacheableContainerLayer(
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int layer_cached_threshold =
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RasterCacheUtil::kMinimumRendersBeforeCachingFilterLayer,
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bool can_cache_children = false);
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#if !SLIMPELLER
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const LayerRasterCacheItem* raster_cache_item() const {
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return layer_raster_cache_item_.get();
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}
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protected:
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std::unique_ptr<LayerRasterCacheItem> layer_raster_cache_item_;
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#endif // !SLIMPELLER
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};
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} // namespace flutter
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#endif // FLUTTER_FLOW_LAYERS_CACHEABLE_LAYER_H_
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