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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 "source_buffer.hpp"
#include <cstring>
namespace VK
{
SourceBuffer::SourceBuffer(Device *device, void *data, size_t data_size)
{
this->device = device;
this->device_size = data_size;
this->buffer_usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
this->memory_properties = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
try
{
VK::BaseBuffer::loader.execute(static_cast<VK::BaseBuffer*>(this));
}
catch(const CommandError &command_error)
{
std::string error{"Could not initialize Vulkan source buffer → "};
error += command_error.what();
throw std::runtime_error{error};
}
this->copy_data(data);
}
SourceBuffer::SourceBuffer(SourceBuffer &&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;
}
SourceBuffer&
SourceBuffer::operator=(SourceBuffer &&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;
}
SourceBuffer::~SourceBuffer()
{
VK::BaseBuffer::loader.revert(static_cast<VK::BaseBuffer*>(this));
}
void
SourceBuffer::copy_data(void *src_data)
{
void *dst_data;
vkMapMemory(this->device->device, this->device_memory, 0, this->device_size,
0, &dst_data);
memcpy(dst_data, src_data, static_cast<size_t>(this->device_size));
vkUnmapMemory(this->device->device, this->device_memory);
}
}
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