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Diffstat (limited to 'include/private/GrSkSLFPFactoryCache.h')
-rw-r--r-- | include/private/GrSkSLFPFactoryCache.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/private/GrSkSLFPFactoryCache.h b/include/private/GrSkSLFPFactoryCache.h new file mode 100644 index 0000000000..40e001a672 --- /dev/null +++ b/include/private/GrSkSLFPFactoryCache.h @@ -0,0 +1,37 @@ +/* + * 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 SkNVRefCnt<GrSkSLFPFactoryCache> { +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 |