flycast/core/rend/vulkan/buffer.cpp

37 lines
1.6 KiB
C++

/*
* Created on: Oct 3, 2019
Copyright 2019 flyinghead
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#include "buffer.h"
#include "utils.h"
BufferData::BufferData(vk::PhysicalDevice const& physicalDevice, vk::Device const& device, vk::DeviceSize size,
vk::BufferUsageFlags usage, Allocator *allocator, vk::MemoryPropertyFlags propertyFlags)
: device(device), bufferSize(size), allocator(allocator)
#if !defined(NDEBUG)
, m_usage(usage), m_propertyFlags(propertyFlags)
#endif
{
buffer = device.createBufferUnique(vk::BufferCreateInfo(vk::BufferCreateFlags(), size, usage));
vk::MemoryRequirements memoryRequirements = device.getBufferMemoryRequirements(buffer.get());
memoryType = findMemoryType(physicalDevice.getMemoryProperties(), memoryRequirements.memoryTypeBits, propertyFlags);
offset = allocator->Allocate(memoryRequirements.size, memoryRequirements.alignment, memoryType, sharedDeviceMemory);
device.bindBufferMemory(buffer.get(), sharedDeviceMemory, offset);
}