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74 lines
2.5 KiB
74 lines
2.5 KiB
2 years ago
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/*
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* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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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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*
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* SPDX-FileCopyrightText: Copyright (c) 2014-2022 NVIDIA CORPORATION
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <memory>
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#include "vk_mem_alloc.h"
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#include "nvvk/resourceallocator_vk.hpp"
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#include "nvvk/context_vk.hpp"
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#include "nvvk/memallocator_vma_vk.hpp"
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namespace nvvkhl {
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/*
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This is initializing the resource allocation. Nvpro_core has a sophisticated allocator,
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for creating buffers, images and acceleration structures. It can use different allocators, but this one
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chooses VMA.
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*/
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class AllocVma : public nvvk::ResourceAllocator
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{
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public:
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explicit AllocVma(const nvvk::Context* context) { init(context); }
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~AllocVma() override { deinit(); }
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// Use the following to trace
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// #define VMA_DEBUG_LOG(format, ...) do { printf(format, __VA_ARGS__); printf("\n"); } while(false)
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void findLeak(uint64_t leak) { m_vma->findLeak(leak); }
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VmaAllocator vma() { return m_vmaAlloc; }
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private:
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void init(const nvvk::Context* context)
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{
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VmaAllocatorCreateInfo allocator_info = {};
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allocator_info.physicalDevice = context->m_physicalDevice;
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allocator_info.device = context->m_device;
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allocator_info.instance = context->m_instance;
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allocator_info.flags = VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT;
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vmaCreateAllocator(&allocator_info, &m_vmaAlloc);
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m_vma = std::make_unique<nvvk::VMAMemoryAllocator>(context->m_device, context->m_physicalDevice, m_vmaAlloc);
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nvvk::ResourceAllocator::init(context->m_device, context->m_physicalDevice, m_vma.get());
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}
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void deinit()
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{
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releaseStaging();
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vmaDestroyAllocator(m_vmaAlloc);
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m_vmaAlloc = nullptr;
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m_vma->deinit();
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nvvk::ResourceAllocator::deinit();
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}
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std::unique_ptr<nvvk::VMAMemoryAllocator> m_vma; // The memory allocator
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VmaAllocator m_vmaAlloc{};
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};
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} // namespace nvvkhl
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