| // Copyright 2020 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_DESCRIPTORSETALLOCATOR_H_ |
| #define SRC_DAWN_NATIVE_VULKAN_DESCRIPTORSETALLOCATOR_H_ |
| |
| #include <map> |
| #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/ObjectBase.h" |
| #include "dawn/native/vulkan/DescriptorSetAllocation.h" |
| |
| namespace dawn::native::vulkan { |
| |
| class BindGroupLayout; |
| |
| class DescriptorSetAllocator : public ObjectBase { |
| using PoolIndex = uint32_t; |
| using SetIndex = uint16_t; |
| |
| public: |
| static Ref<DescriptorSetAllocator> Create( |
| BindGroupLayout* layout, |
| std::map<VkDescriptorType, uint32_t> descriptorCountPerType); |
| |
| ResultOrError<DescriptorSetAllocation> Allocate(); |
| void Deallocate(DescriptorSetAllocation* allocationInfo); |
| void FinishDeallocation(ExecutionSerial completedSerial); |
| |
| private: |
| DescriptorSetAllocator(BindGroupLayout* layout, |
| std::map<VkDescriptorType, uint32_t> descriptorCountPerType); |
| ~DescriptorSetAllocator() override; |
| |
| MaybeError AllocateDescriptorPool(); |
| |
| BindGroupLayout* mLayout; |
| |
| std::vector<VkDescriptorPoolSize> mPoolSizes; |
| SetIndex mMaxSets; |
| |
| struct DescriptorPool { |
| VkDescriptorPool vkPool; |
| std::vector<VkDescriptorSet> sets; |
| std::vector<SetIndex> freeSetIndices; |
| }; |
| |
| std::vector<PoolIndex> mAvailableDescriptorPoolIndices; |
| std::vector<DescriptorPool> mDescriptorPools; |
| |
| struct Deallocation { |
| PoolIndex poolIndex; |
| SetIndex setIndex; |
| }; |
| SerialQueue<ExecutionSerial, Deallocation> mPendingDeallocations; |
| ExecutionSerial mLastDeallocationSerial = ExecutionSerial(0); |
| }; |
| |
| } // namespace dawn::native::vulkan |
| |
| #endif // SRC_DAWN_NATIVE_VULKAN_DESCRIPTORSETALLOCATOR_H_ |