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| Original file line number | Diff line number | Diff line change |
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| /* Copyright (c) 2021-2024, NVIDIA CORPORATION. All rights reserved. | ||
| * Copyright (c) 2024, Bradley Austin Davis. All rights reserved. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| #include "allocated.h" | ||
|
|
||
| namespace vkb | ||
| { | ||
|
|
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| namespace allocated | ||
| { | ||
|
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| VmaAllocator &get_memory_allocator() | ||
| { | ||
| static VmaAllocator memory_allocator = VK_NULL_HANDLE; | ||
| return memory_allocator; | ||
| } | ||
|
|
||
| void init(const VmaAllocatorCreateInfo &create_info) | ||
| { | ||
| VkResult result = vmaCreateAllocator(&create_info, &get_memory_allocator()); | ||
| if (result != VK_SUCCESS) | ||
| { | ||
| throw VulkanException{result, "Cannot create allocator"}; | ||
| } | ||
| } | ||
|
|
||
| void shutdown() | ||
| { | ||
| auto &allocator = get_memory_allocator(); | ||
| if (allocator != VK_NULL_HANDLE) | ||
| { | ||
| VmaTotalStatistics stats; | ||
| vmaCalculateStatistics(allocator, &stats); | ||
| LOGI("Total device memory leaked: {} bytes.", stats.total.statistics.allocationBytes); | ||
| vmaDestroyAllocator(allocator); | ||
| allocator = VK_NULL_HANDLE; | ||
| } | ||
| } | ||
|
|
||
| [[nodiscard]] std::pair<VkBuffer, VmaAllocation> vma_create_buffer(VmaAllocator alloctor, const VkBufferCreateInfo &create_info, VmaAllocationCreateInfo &alloc_create_info, VmaAllocationInfo *alloc_info) | ||
| { | ||
| VkBuffer handle = VK_NULL_HANDLE; | ||
| VmaAllocation allocation = VK_NULL_HANDLE; | ||
|
|
||
| auto result = vmaCreateBuffer( | ||
| alloctor, | ||
| &create_info, | ||
| &alloc_create_info, | ||
| &handle, | ||
| &allocation, | ||
| alloc_info); | ||
|
|
||
| if (result != VK_SUCCESS) | ||
| { | ||
| throw VulkanException{result, "Cannot create Buffer"}; | ||
| } | ||
| return {handle, allocation}; | ||
| } | ||
|
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| [[nodiscard]] std::pair<VkImage, VmaAllocation> vma_create_image(VmaAllocator alloctor, const VkImageCreateInfo &create_info, VmaAllocationCreateInfo &alloc_create_info, VmaAllocationInfo *alloc_info) | ||
| { | ||
| VkImage handle = VK_NULL_HANDLE; | ||
| VmaAllocation allocation = VK_NULL_HANDLE; | ||
|
|
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| #if 0 | ||
| // If the image is an attachment, prefer dedicated memory | ||
| constexpr VkImageUsageFlags attachment_only_flags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT; | ||
| if (create_info.usage & attachment_only_flags) | ||
| { | ||
| alloc_create_info.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; | ||
| } | ||
|
|
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| if (create_info.usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) | ||
| { | ||
| alloc_create_info.preferredFlags |= VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT; | ||
| } | ||
| #endif | ||
|
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||
| auto result = vmaCreateImage( | ||
| alloctor, | ||
| &create_info, | ||
| &alloc_create_info, | ||
| &handle, | ||
| &allocation, | ||
| alloc_info); | ||
|
|
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| if (result != VK_SUCCESS) | ||
| { | ||
| throw VulkanException{result, "Cannot create Image"}; | ||
| } | ||
|
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| return {handle, allocation}; | ||
| } | ||
|
|
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| } // namespace allocated | ||
|
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| } // namespace vkb |
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