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