1 #include <msp/core/algorithm.h>
3 #include "transferqueue.h"
11 TransferQueue::TransferQueue(Device &d):
15 TransferQueue::PendingTransfer &TransferQueue::prepare_transfer(void *object, bool ordered, size_t size)
17 unsigned &order = next_orders[object];
19 order += (order&1)|ordered;
21 auto j = upper_bound_member(transfers, order, &PendingTransfer::order);
23 PendingTransfer &transfer = *transfers.emplace(j);
24 transfer.order = order;
26 auto i = find_if(buffers, [size](const StagingBuffer &b){ return b.used+size<=b.size; });
29 buffers.emplace_back(device, max(default_buffer_size, size));
30 i = prev(buffers.end());
33 transfer.buffer_index = distance(buffers.begin(), i);
34 transfer.offset = i->used;
44 void TransferQueue::dispatch_transfers(VkCommandBuffer command_buffer)
49 for(auto i=transfers.begin(); i!=transfers.end(); )
52 for(; (j!=transfers.end() && j->order==i->order); ++j)
55 device.get_synchronizer().barrier(command_buffer);
59 VkBuffer buffer = buffers[i->buffer_index].buffer;
60 i->transfer(command_buffer, buffer, i->offset);
69 TransferQueue::StagingBuffer::StagingBuffer(Device &d, size_t s):
73 const VulkanFunctions &vk = device.get_functions();
75 VkBufferCreateInfo buffer_info = { };
76 buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
77 buffer_info.size = size;
78 buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
79 buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
81 vk.CreateBuffer(buffer_info, buffer);
83 MemoryAllocator &allocator = device.get_allocator();
84 memory_id = allocator.allocate(buffer, STAGING_MEMORY);
85 mapped_address = allocator.map(memory_id, 0, size);
88 TransferQueue::StagingBuffer::StagingBuffer(StagingBuffer &&other):
91 memory_id(other.memory_id),
94 mapped_address(other.mapped_address)
98 other.mapped_address = 0;
101 TransferQueue::StagingBuffer::~StagingBuffer()
103 const VulkanFunctions &vk = device.get_functions();
104 MemoryAllocator &allocator = device.get_allocator();
108 allocator.unmap(mapped_address);
109 allocator.release(memory_id);
112 vk.DestroyBuffer(buffer);