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43 lines
1.4 KiB
43 lines
1.4 KiB
// Copyright 2021 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "Buffer.hpp"
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Buffer::Buffer(vk::Device device, vk::DeviceSize size, vk::BufferUsageFlags usage)
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: device(device)
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, size(size)
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{
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vk::BufferCreateInfo bufferInfo{};
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bufferInfo.size = size;
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bufferInfo.usage = usage;
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bufferInfo.sharingMode = vk::SharingMode::eExclusive;
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buffer = device.createBuffer(bufferInfo);
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auto memRequirements = device.getBufferMemoryRequirements(buffer);
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vk::MemoryAllocateInfo allocInfo{};
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allocInfo.allocationSize = memRequirements.size;
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allocInfo.memoryTypeIndex = 0; //TODO: getMemoryTypeIndex(memRequirements.memoryTypeBits, vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent);
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bufferMemory = device.allocateMemory(allocInfo);
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device.bindBufferMemory(buffer, bufferMemory, 0);
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}
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Buffer::~Buffer()
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{
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device.freeMemory(bufferMemory);
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device.destroyBuffer(buffer);
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}
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