mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
7c84c23114
Comments By: phosit, Stan Differential Revision: https://code.wildfiregames.com/D4876 This was SVN commit r27412.
117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
/* Copyright (C) 2023 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "Buffer.h"
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#include "renderer/backend/vulkan/Device.h"
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namespace Renderer
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{
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namespace Backend
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{
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namespace Vulkan
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{
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// static
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std::unique_ptr<CBuffer> CBuffer::Create(
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CDevice* device, const char* name, const Type type, const uint32_t size,
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const bool dynamic)
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{
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std::unique_ptr<CBuffer> buffer(new CBuffer());
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buffer->m_Device = device;
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buffer->m_Type = type;
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buffer->m_Size = size;
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buffer->m_Dynamic = dynamic;
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VkMemoryPropertyFlags properties = 0;
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VkBufferUsageFlags usage = VK_BUFFER_USAGE_FLAG_BITS_MAX_ENUM;
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VmaMemoryUsage memoryUsage = VMA_MEMORY_USAGE_AUTO;
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switch (type)
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{
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case Type::VERTEX:
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usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
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properties = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
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memoryUsage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
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break;
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case Type::INDEX:
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usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
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properties = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
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memoryUsage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
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break;
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case Type::UPLOAD:
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usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
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properties = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
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break;
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case Type::UNIFORM:
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usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
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properties = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
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memoryUsage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
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break;
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}
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VkBufferCreateInfo bufferCreateInfo{};
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bufferCreateInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
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bufferCreateInfo.size = size;
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bufferCreateInfo.usage = usage;
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bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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VmaAllocationCreateInfo allocationCreateInfo{};
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if (type == Type::UPLOAD)
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allocationCreateInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT;
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#ifndef NDEBUG
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allocationCreateInfo.flags |= VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT;
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allocationCreateInfo.pUserData = const_cast<char*>(name);
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#endif
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allocationCreateInfo.requiredFlags = properties;
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allocationCreateInfo.usage = memoryUsage;
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const VkResult createBufferResult = vmaCreateBuffer(
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device->GetVMAAllocator(), &bufferCreateInfo, &allocationCreateInfo,
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&buffer->m_Buffer, &buffer->m_Allocation, &buffer->m_AllocationInfo);
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if (createBufferResult != VK_SUCCESS)
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{
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LOGERROR("Failed to create VkBuffer: %d", static_cast<int>(createBufferResult));
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return nullptr;
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}
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device->SetObjectName(VK_OBJECT_TYPE_BUFFER, buffer->m_Buffer, name);
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return buffer;
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}
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CBuffer::CBuffer() = default;
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CBuffer::~CBuffer()
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{
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if (m_Allocation != VK_NULL_HANDLE)
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m_Device->ScheduleObjectToDestroy(
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VK_OBJECT_TYPE_BUFFER, m_Buffer, m_Allocation);
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}
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IDevice* CBuffer::GetDevice()
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{
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return m_Device;
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}
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} // namespace Vulkan
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} // namespace Backend
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} // namespace Renderer
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