flycast/core/rend/vulkan/buffer.cpp

36 lines
1.4 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"
#include "vulkan_context.h"
BufferData::BufferData(vk::DeviceSize size, vk::BufferUsageFlags usage, vk::MemoryPropertyFlags propertyFlags)
: bufferSize(size), m_usage(usage), m_propertyFlags(propertyFlags)
{
VulkanContext *context = VulkanContext::Instance();
buffer = context->GetDevice().createBufferUnique(vk::BufferCreateInfo(vk::BufferCreateFlags(), size, usage));
VmaAllocationCreateInfo allocInfo = {
VMA_ALLOCATION_CREATE_MAPPED_BIT,
(propertyFlags & vk::MemoryPropertyFlagBits::eDeviceLocal) ? VmaMemoryUsage::VMA_MEMORY_USAGE_GPU_ONLY : VmaMemoryUsage::VMA_MEMORY_USAGE_CPU_TO_GPU
};
allocation = context->GetAllocator().AllocateForBuffer(*buffer, allocInfo);
}