1 // Copyright 2019 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef DAWNNATIVE_RESOURCEHEAPALLOCATOR_H_ 16 #define DAWNNATIVE_RESOURCEHEAPALLOCATOR_H_ 17 18 #include "dawn_native/Error.h" 19 #include "dawn_native/ResourceHeap.h" 20 21 #include <memory> 22 23 namespace dawn_native { 24 25 // Interface for backend allocators that create memory heaps resoruces can be suballocated in. 26 class ResourceHeapAllocator { 27 public: 28 virtual ~ResourceHeapAllocator() = default; 29 30 virtual ResultOrError<std::unique_ptr<ResourceHeapBase>> AllocateResourceHeap( 31 uint64_t size) = 0; 32 virtual void DeallocateResourceHeap(std::unique_ptr<ResourceHeapBase> allocation) = 0; 33 }; 34 35 } // namespace dawn_native 36 37 #endif // DAWNNATIVE_RESOURCEHEAPALLOCATOR_H_ 38