38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
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/*
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* Copyright 2018 Google LLC
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*
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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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*/
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#ifndef GrSkSLFPFactoryCache_DEFINED
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#define GrSkSLFPFactoryCache_DEFINED
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#include "SkRefCnt.h"
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#include <vector>
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class GrSkSLFPFactory;
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// This is a cache used by GrSkSLFP to retain GrSkSLFPFactory instances, so we don't have to
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// re-process the SkSL source code every time we create a GrSkSLFP instance.
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// For thread safety, it is important that GrSkSLFP only interact with the cache from methods that
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// are only called from within the rendering thread, like onCreateGLSLInstance and
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// onGetGLSLProcessorKey.
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class GrSkSLFPFactoryCache : public SkNVRefCnt<GrSkSLFPFactoryCache> {
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public:
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// Returns a factory by its numeric index, or null if no such factory exists. Indices are
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// allocated by GrSkSLFP::NewIndex().
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sk_sp<GrSkSLFPFactory> get(int index);
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// Stores a new factory with the given index.
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void set(int index, sk_sp<GrSkSLFPFactory> factory);
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~GrSkSLFPFactoryCache();
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private:
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std::vector<GrSkSLFPFactory*> fFactories;
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};
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#endif
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