| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef SRC_DAWN_NATIVE_VULKAN_RESOURCEMEMORYALLOCATORVK_H_ |
| #define SRC_DAWN_NATIVE_VULKAN_RESOURCEMEMORYALLOCATORVK_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "dawn/common/SerialQueue.h" |
| #include "dawn/common/vulkan_platform.h" |
| #include "dawn/native/Error.h" |
| #include "dawn/native/IntegerTypes.h" |
| #include "dawn/native/PooledResourceMemoryAllocator.h" |
| #include "dawn/native/ResourceMemoryAllocation.h" |
| |
| namespace dawn::native::vulkan { |
| |
| class Device; |
| |
| // Various kinds of memory that influence the result of the allocation. For example, to take |
| // into account mappability and Vulkan's bufferImageGranularity. |
| enum class MemoryKind { |
| LazilyAllocated, |
| Linear, |
| LinearMappable, |
| Opaque, |
| }; |
| |
| class ResourceMemoryAllocator { |
| public: |
| explicit ResourceMemoryAllocator(Device* device); |
| ~ResourceMemoryAllocator(); |
| |
| ResultOrError<ResourceMemoryAllocation> Allocate(const VkMemoryRequirements& requirements, |
| MemoryKind kind, |
| bool forceDisableSubAllocation = false); |
| void Deallocate(ResourceMemoryAllocation* allocation); |
| |
| void DestroyPool(); |
| |
| void Tick(ExecutionSerial completedSerial); |
| |
| int FindBestTypeIndex(VkMemoryRequirements requirements, MemoryKind kind); |
| |
| private: |
| Device* mDevice; |
| |
| class SingleTypeAllocator; |
| std::vector<std::unique_ptr<SingleTypeAllocator>> mAllocatorsPerType; |
| |
| SerialQueue<ExecutionSerial, ResourceMemoryAllocation> mSubAllocationsToDelete; |
| }; |
| |
| } // namespace dawn::native::vulkan |
| |
| #endif // SRC_DAWN_NATIVE_VULKAN_RESOURCEMEMORYALLOCATORVK_H_ |