1 /* 2 * Copyright 2022 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef skgpu_graphite_RuntimeEffectDictionary_DEFINED 9 #define skgpu_graphite_RuntimeEffectDictionary_DEFINED 10 11 #include "include/core/SkRefCnt.h" 12 #include "include/effects/SkRuntimeEffect.h" 13 #include "src/core/SkTHash.h" 14 15 class SkRuntimeEffect; 16 17 namespace skgpu::graphite { 18 19 // We keep track of all SkRuntimeEffects that are used by a recording, along with their code 20 // snippet ID. This ensures that we have a live reference to every effect that we're going to 21 // paint, and gives us a way to retrieve their shader text when we see their code-snippet ID. 22 class RuntimeEffectDictionary { 23 public: find(int codeSnippetID)24 const SkRuntimeEffect* find(int codeSnippetID) const { 25 sk_sp<const SkRuntimeEffect>* effect = fDict.find(codeSnippetID); 26 return effect ? effect->get() : nullptr; 27 } 28 29 void set(int codeSnippetID, sk_sp<const SkRuntimeEffect> effect); 30 reset()31 void reset() { fDict.reset(); } 32 empty()33 bool empty() const { return fDict.empty(); } 34 35 private: 36 skia_private::THashMap<int, sk_sp<const SkRuntimeEffect>> fDict; 37 }; 38 39 } // namespace skgpu::graphite 40 41 #endif // skgpu_graphite_RuntimeEffectDictionary_DEFINED 42