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/* Copyright (C) 2025 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_RENDERER_BACKEND_VULKAN_BUFFER
#define INCLUDED_RENDERER_BACKEND_VULKAN_BUFFER
#include "renderer/backend/IBuffer.h"
#include "renderer/backend/vulkan/DeviceObjectUID.h"
#include "renderer/backend/vulkan/VMA.h"
#include <cstdint>
#include <glad/vulkan.h>
#include <memory>
namespace Renderer::Backend::Vulkan { class CDevice; }
namespace Renderer
{
namespace Backend
{
namespace Vulkan
{
class CBuffer final : public IBuffer
{
public:
~CBuffer() override;
IDevice* GetDevice() override;
Type GetType() const override { return m_Type; }
uint32_t GetSize() const override { return m_Size; }
uint32_t GetUsage() const override { return m_Usage; }
VkBuffer GetVkBuffer() { return m_Buffer; }
/**
* @return mapped data for UPLOAD buffers else returns nullptr.
*/
void* GetMappedData() { return m_AllocationInfo.pMappedData; }
DeviceObjectUID GetUID() const { return m_UID; }
private:
friend class CDevice;
static std::unique_ptr<CBuffer> Create(
CDevice* device, const char* name, const Type type, const uint32_t size,
const uint32_t usage);
CBuffer();
CDevice* m_Device = nullptr;
DeviceObjectUID m_UID{INVALID_DEVICE_OBJECT_UID};
Type m_Type = Type::VERTEX;
uint32_t m_Size = 0;
uint32_t m_Usage = 0;
VkBuffer m_Buffer = VK_NULL_HANDLE;
VmaAllocation m_Allocation = VK_NULL_HANDLE;
VmaAllocationInfo m_AllocationInfo{};
};
} // namespace Vulkan
} // namespace Backend
} // namespace Renderer
#endif // INCLUDED_RENDERER_BACKEND_VULKAN_BUFFER
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