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_UniquePaintParamsID_DEFINED 9 #define skgpu_graphite_UniquePaintParamsID_DEFINED 10 11 #include "include/core/SkTypes.h" 12 13 namespace skgpu::graphite { 14 15 // This class boils down to a unique uint that can be used instead of a variable length 16 // key derived from a PaintParams. 17 class UniquePaintParamsID { 18 public: UniquePaintParamsID(uint32_t id)19 explicit UniquePaintParamsID(uint32_t id) : fID(id) { 20 SkASSERT(id != SK_InvalidUniqueID); 21 } 22 InvalidID()23 static UniquePaintParamsID InvalidID() { return UniquePaintParamsID(); } 24 UniquePaintParamsID()25 UniquePaintParamsID() : fID(SK_InvalidUniqueID) {} 26 27 bool operator==(const UniquePaintParamsID &that) const { return fID == that.fID; } 28 bool operator!=(const UniquePaintParamsID &that) const { return !(*this == that); } 29 isValid()30 bool isValid() const { return fID != SK_InvalidUniqueID; } asUInt()31 uint32_t asUInt() const { return fID; } 32 33 private: 34 uint32_t fID; 35 }; 36 37 } // skgpu::graphite 38 39 #endif // skgpu_graphite_UniquePaintParamsID_DEFINED 40