1 #include <msp/core/algorithm.h>
3 #include "transferqueue.h"
11 TransferQueue::TransferQueue(Device &d):
15 TransferQueue::PendingTransfer &TransferQueue::prepare_transfer(size_t size)
17 auto i = find_if(buffers, [size](const StagingBuffer &b){ return b.used+size<=b.size; });
20 buffers.emplace_back(device, max(default_buffer_size, size));
21 i = prev(buffers.end());
24 PendingTransfer transfer;
25 transfer.buffer_index = distance(buffers.begin(), i);
26 transfer.offset = i->used;
28 transfers.push_back(transfer);
32 return transfers.back();
35 void TransferQueue::dispatch_transfers(VkCommandBuffer command_buffer)
37 for(const PendingTransfer &t: transfers)
39 VkBuffer buffer = buffers[t.buffer_index].buffer;
40 t.callback(command_buffer, buffer, t.offset);
47 TransferQueue::StagingBuffer::StagingBuffer(Device &d, size_t s):
51 const VulkanFunctions &vk = device.get_functions();
53 VkBufferCreateInfo buffer_info = { };
54 buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
55 buffer_info.size = size;
56 buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
57 buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
59 vk.CreateBuffer(buffer_info, buffer);
61 MemoryAllocator &allocator = device.get_allocator();
62 memory_id = allocator.allocate(buffer, STAGING_MEMORY);
63 mapped_address = allocator.map(memory_id, 0, size);
66 TransferQueue::StagingBuffer::StagingBuffer(StagingBuffer &&other):
69 memory_id(other.memory_id),
72 mapped_address(other.mapped_address)
76 other.mapped_address = 0;
79 TransferQueue::StagingBuffer::~StagingBuffer()
81 const VulkanFunctions &vk = device.get_functions();
82 MemoryAllocator &allocator = device.get_allocator();
86 allocator.unmap(mapped_address);
87 allocator.release(memory_id);
90 vk.DestroyBuffer(buffer);