2 #include "buffer_backend.h"
11 VulkanBuffer::VulkanBuffer():
12 device(Device::get_current())
15 VulkanBuffer::VulkanBuffer(VulkanBuffer &&other):
18 memory_id(other.memory_id),
19 mapped_address(other.mapped_address),
20 debug_name(move(other.debug_name))
24 other.mapped_address = 0;
27 VulkanBuffer::~VulkanBuffer()
30 device.get_destroy_queue().destroy(handle, memory_id);
33 void VulkanBuffer::allocate()
35 const Buffer &self = *static_cast<const Buffer *>(this);
36 const VulkanFunctions &vk = device.get_functions();
38 VkBufferCreateInfo buffer_info = { };
39 buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
40 buffer_info.size = self.get_total_size();
41 buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT|VK_BUFFER_USAGE_TRANSFER_DST_BIT|VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT|
42 VK_BUFFER_USAGE_INDEX_BUFFER_BIT|VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
43 buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
45 vk.CreateBuffer(buffer_info, handle);
47 memory_id = device.get_allocator().allocate(handle, (self.usage==STREAMING ? STREAMING_MEMORY : DEVICE_MEMORY));
49 if(!debug_name.empty())
50 set_vulkan_object_name();
53 void VulkanBuffer::sub_data(size_t off, size_t sz, const void *d)
55 Buffer::AsyncTransfer transfer(*static_cast<Buffer *>(this), off, sz);
56 const char *src = static_cast<const char *>(d);
57 copy(src, src+sz, static_cast<char *>(transfer.get_address()));
60 unsigned VulkanBuffer::get_multiplicity() const
62 BufferUsage usage = static_cast<const Buffer *>(this)->usage;
63 return (usage==STREAMING ? device.get_n_frames_in_flight() : 1);
66 bool VulkanBuffer::can_map() const
68 return static_cast<const Buffer *>(this)->usage==STREAMING;
71 void *VulkanBuffer::map()
73 mapped_address = device.get_allocator().map(memory_id);
74 return mapped_address;
77 bool VulkanBuffer::unmap()
79 device.get_allocator().unmap(memory_id);
84 void VulkanBuffer::set_debug_name(const string &name)
89 set_vulkan_object_name();
95 void VulkanBuffer::set_vulkan_object_name() const
98 const VulkanFunctions &vk = device.get_functions();
100 VkDebugUtilsObjectNameInfoEXT name_info = { };
101 name_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
102 name_info.objectType = VK_OBJECT_TYPE_BUFFER;
103 name_info.objectHandle = reinterpret_cast<uint64_t>(handle);
104 name_info.pObjectName = debug_name.c_str();
105 vk.SetDebugUtilsObjectName(name_info);
110 void Buffer::AsyncTransfer::allocate()
112 if(buffer->can_map())
113 dest_addr = static_cast<char *>(buffer->map())+offset;
116 Buffer &buf = *buffer;
120 dest_addr = buf.device.get_transfer_queue().prepare_transfer(buffer, false, size,
122 buf.device.get_synchronizer().write_buffer(buf.handle, off, sz);
124 [&buf, off, sz](const VulkanCommandRecorder &vkCmd, VkBuffer staging_buf, size_t src_off){
125 VkBufferCopy region = { };
126 region.srcOffset = src_off;
127 region.dstOffset = off;
129 vkCmd.CopyBuffer(staging_buf, buf.handle, 1, ®ion);
134 void Buffer::AsyncTransfer::finalize()
136 if(buffer->can_map())
139 buffer->device.get_synchronizer().write_buffer(buffer->handle, offset, size, true);
142 buffer->device.get_transfer_queue().finalize_transfer(dest_addr);