mirror of
https://github.com/encounter/dawn-cmake.git
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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright 2017 The NXT Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef BACKEND_VULKAN_MEMORYALLOCATOR_H_
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#define BACKEND_VULKAN_MEMORYALLOCATOR_H_
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#include "backend/vulkan/vulkan_platform.h"
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#include "common/SerialQueue.h"
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namespace backend {
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namespace vulkan {
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class Device;
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class MemoryAllocator;
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class DeviceMemoryAllocation {
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public:
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~DeviceMemoryAllocation();
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VkDeviceMemory GetMemory() const;
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size_t GetMemoryOffset() const;
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uint8_t* GetMappedPointer() const;
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private:
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friend class MemoryAllocator;
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VkDeviceMemory memory = VK_NULL_HANDLE;
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size_t offset = 0;
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uint8_t* mappedPointer = nullptr;
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};
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class MemoryAllocator {
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public:
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MemoryAllocator(Device* device);
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~MemoryAllocator();
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bool Allocate(VkMemoryRequirements requirements, bool mappable, DeviceMemoryAllocation* allocation);
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void Free(DeviceMemoryAllocation* allocation);
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void Tick(Serial finishedSerial);
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private:
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Device* device = nullptr;
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SerialQueue<VkDeviceMemory> releasedMemory;
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};
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}
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}
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#endif // BACKEND_VULKAN_MEMORYALLOCATOR_H_
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