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/*
* Copyright 2022 Frederico de Oliveira Linhares
*
* 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 "destination_buffer.hpp"
#include "command_pool.hpp"
namespace VK
{
DestinationBuffer::DestinationBuffer(
QueueFamily *queue_family, SourceBuffer *source_buffer,
VkBufferUsageFlags buffer_usage)
{
this->device = queue_family->device;
this->device_size = source_buffer->device_size;
this->buffer_usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | buffer_usage;
this->memory_properties = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
this->queue_family = queue_family;
this->source_buffer = source_buffer;
BaseBuffer::loader.execute(dynamic_cast<BaseBuffer*>(this));
this->copy_data();
}
DestinationBuffer::DestinationBuffer(
DestinationBuffer &&that)
{
this->buffer = that.buffer;
this->device_memory = that.device_memory;
this->device_size = that.device_size;
this->buffer_usage = that.buffer_usage;
this->memory_properties = that.memory_properties;
that.buffer = VK_NULL_HANDLE;
that.device_memory = VK_NULL_HANDLE;
}
DestinationBuffer&
DestinationBuffer::operator=(DestinationBuffer &&that)
{
this->buffer = that.buffer;
this->device_memory = that.device_memory;
this->device_size = that.device_size;
this->buffer_usage = that.buffer_usage;
this->memory_properties = that.memory_properties;
that.buffer = VK_NULL_HANDLE;
that.device_memory = VK_NULL_HANDLE;
return *this;
}
DestinationBuffer::~DestinationBuffer()
{
BaseBuffer::loader.revert(dynamic_cast<BaseBuffer*>(this));
}
void
DestinationBuffer::copy_data()
{
CommandPool command_pool(this->queue_family, 1);
Queue transfer_queue{this->queue_family->get_queue()};
this->device_size = source_buffer->device_size;
this->vk_command_buffer = command_pool.command_buffers[0];
VkCommandBufferBeginInfo begin_info = {};
begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
VkBufferCopy copy_region = {};
copy_region.srcOffset = 0;
copy_region.dstOffset = 0;
copy_region.size = this->device_size;
vkBeginCommandBuffer(this->vk_command_buffer, &begin_info);
vkCmdCopyBuffer(
this->vk_command_buffer, this->source_buffer->buffer, this->buffer, 1,
©_region);
vkEndCommandBuffer(this->vk_command_buffer);
VkSubmitInfo submit_info = {};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &this->vk_command_buffer;
vkQueueSubmit(transfer_queue.queue, 1, &submit_info, VK_NULL_HANDLE);
vkQueueWaitIdle(transfer_queue.queue);
}
}
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