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MobileGL/MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.h
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// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.h
// Copyright (c) 2025-2026 MobileGL-Dev
// Licensed under the GNU Lesser General Public License v3.0:
// https://www.gnu.org/licenses/gpl-3.0.txt
// https://www.gnu.org/licenses/lgpl-3.0.txt
// SPDX-License-Identifier: LGPL-3.0-only
// End of Source File Header
#pragma once
#include "BufferSlice.h"
#include "../VkIncludes.h"
#include <Includes.h>
#include <vk_mem_alloc.h>
namespace MobileGL::MG_Backend::DirectVulkan {
struct VkBufferObjectDesc {
VmaAllocator allocator = nullptr;
VkDeviceSize size = 0;
VkBufferUsageFlags usage = 0;
VmaMemoryUsage memoryUsage = VMA_MEMORY_USAGE_AUTO;
VmaAllocationCreateFlags allocationFlags = 0;
};
class VkBufferObject {
public:
VkBufferObject() = default;
~VkBufferObject();
VkBufferObject(const VkBufferObject&) = delete;
VkBufferObject& operator=(const VkBufferObject&) = delete;
VkBufferObject(VkBufferObject&& other) noexcept;
VkBufferObject& operator=(VkBufferObject&& other) noexcept;
Bool Create(const VkBufferObjectDesc& desc);
Bool Create(VmaAllocator allocator, VkDeviceSize size, VkBufferUsageFlags usage,
VmaMemoryUsage memoryUsage, VmaAllocationCreateFlags allocationFlags = 0);
void Destroy();
void* Map();
void Unmap();
Bool Upload(const void* data, VkDeviceSize size, VkDeviceSize offset = 0);
VkBuffer GetHandle() const { return m_buffer; }
VkDeviceSize GetSize() const { return m_size; }
BufferSlice GetSlice(VkDeviceSize offset = 0, VkDeviceSize size = VK_WHOLE_SIZE) const;
void* GetMappedData() const { return m_mappedData; }
Bool IsMapped() const { return m_mappedData != nullptr; }
Bool IsValid() const { return m_allocator != nullptr && m_buffer != VK_NULL_HANDLE && m_allocation != nullptr; }
private:
VmaAllocator m_allocator = nullptr;
VkBuffer m_buffer = VK_NULL_HANDLE;
VmaAllocation m_allocation = nullptr;
void* m_mappedData = nullptr;
VkDeviceSize m_size = 0;
};
} // namespace MobileGL::MG_Backend::DirectVulkan