// =============================================
//  Aster: buffer.cpp
//  Copyright (c) 2020-2024 Anish Bhobe
// =============================================

#include "buffer.h"

#include "device.h"
Buffer::Buffer(const Device *device, const usize size, const vk::BufferUsageFlags usage, NameString &&name)
    : m_Device(device)
    , m_Allocation(nullptr)
    , m_Size(0)
    , m_Name(std::move(name))
{
    const VkBufferCreateInfo bufferCreateInfo = vk::BufferCreateInfo{
        .size = size,
        .usage = usage,
        .sharingMode = vk::SharingMode::eExclusive,
    };

    constexpr VmaAllocationCreateInfo allocationCreateInfo = {.usage = VMA_MEMORY_USAGE_AUTO};

    VkBuffer buffer;
    vk::Result result = Cast<vk::Result>(vmaCreateBuffer(m_Device->m_Allocator, &bufferCreateInfo,
                                                         &allocationCreateInfo, &buffer, &m_Allocation, nullptr));
    ERROR_IF(Failed(result), "Could not create buffer. Cause: {}", result) THEN_ABORT(result);

    m_Buffer = buffer;

    m_Device->SetName(m_Buffer, m_Name.c_str());
}

Buffer::~Buffer()
{
    vmaDestroyBuffer(m_Device->m_Allocator, m_Buffer, m_Allocation);
}