能不能提供一种DX12中封装GPU资源的方法，比如顶点缓冲区，常量缓冲区，SRV,UAV等待

当然可以，以下是一些DX12中封装GPU资源的方法：

1. 顶点缓冲区：

// 创建顶点缓冲区描述符
CD3DX12_RESOURCE_DESC vertexBufferDesc = CD3DX12_RESOURCE_DESC::Buffer(vertexBufferSize);

// 创建顶点缓冲区对象
ThrowIfFailed(device->CreateCommittedResource(
    &CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD), // 上传堆类型
    D3D12_HEAP_FLAG_NONE,
    &vertexBufferDesc,
    D3D12_RESOURCE_STATE_GENERIC_READ,
    nullptr,
    IID_PPV_ARGS(&m_vertexBuffer)));

// 将顶点数据复制到顶点缓冲区中
UINT8* pVertexDataBegin;
CD3DX12_RANGE readRange(0, 0); // 只需要对资源进行一次读取操作
ThrowIfFailed(m_vertexBuffer->Map(0, &readRange, reinterpret_cast<void**>(&pVertexDataBegin)));
memcpy(pVertexDataBegin, vertices.data(), vertexBufferSize);
m_vertexBuffer->Unmap(0, nullptr);

// 创建顶点缓冲区视图
m_vertexBufferView.BufferLocation = m_vertexBuffer->GetGPUVirtualAddress();
m_vertexBufferView.StrideInBytes = sizeof(Vertex);
m_vertexBufferView.SizeInBytes = vertexBufferSize;

2. 常量缓冲区：

// 创建常量缓冲区描述符
CD3DX12_RESOURCE_DESC constantBufferDesc = CD3DX12_RESOURCE_DESC::Buffer(ConstantBufferAlignedSize);

// 创建常量缓冲区对象
ThrowIfFailed(device->CreateCommittedResource(
    &CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD), // 上传堆类型
    D3D12_HEAP_FLAG_NONE,
    &constantBufferDesc,
    D3D12_RESOURCE_STATE_GENERIC_READ,
    nullptr,
    IID_PPV_ARGS(&m_constantBuffer)));

// 创建常量缓冲区视图
m_constantBufferView.BufferLocation = m_constantBuffer->GetGPUVirtualAddress();
m_constantBufferView.SizeInBytes = ConstantBufferAlignedSize;

// 映射常量缓冲区并填充数据
ThrowIfFailed(m_constantBuffer->Map(0, nullptr, reinterpret_cast<void**>(&m_pCbvDataBegin)));
memcpy(m_pCbvDataBegin, &m_constantBufferData, sizeof(m_constantBufferData));

3. SRV：

// 创建纹理资源描述符
CD3DX12_RESOURCE_DESC textureDesc = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R8G8B8A8_UNORM, textureWidth, textureHeight);

// 创建纹理资源对象
ThrowIfFailed(device->CreateCommittedResource(
    &CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
    D3D12_HEAP_FLAG_NONE,
    &textureDesc,
    D3D12_RESOURCE_STATE_COPY_DEST,
    nullptr,
    IID_PPV_ARGS(&texture)));

// 创建纹理资源上传堆
UINT64 textureUploadBufferSize;
device->GetCopyableFootprints(&textureDesc, 0, 1, 0, nullptr, nullptr, nullptr, &textureUploadBufferSize);
CD3DX12_RESOURCE_DESC textureUploadHeapDesc = CD3DX12_RESOURCE_DESC::Buffer(textureUploadBufferSize);
ThrowIfFailed(device->CreateCommittedResource(
    &CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
    D3D12_HEAP_FLAG_NONE,
    &textureUploadHeapDesc,
    D3D12_RESOURCE_STATE_GENERIC_READ,
    nullptr,
    IID_PPV_ARGS(&textureUploadHeap)));

// 将纹理数据复制到上传堆中
D3D12_SUBRESOURCE_DATA textureData = {};
textureData.pData = texturePixels;
textureData.RowPitch = textureWidth * sizeof(uint32_t);
textureData.SlicePitch = textureData.RowPitch * textureHeight;
UpdateSubresources(commandList.Get(), texture.Get(), textureUploadHeap.Get(), 0, 0, 1, &textureData);

4. UAV：

// 创建UAV缓冲区描述符
CD3DX12_RESOURCE_DESC uavBufferDesc = CD3DX12_RESOURCE_DESC::Buffer(uavBufferSize, D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS);

// 创建UAV缓冲区对象
ThrowIfFailed(device->CreateCommittedResource(
    &CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
    D3D12_HEAP_FLAG_NONE,
    &uavBufferDesc,
    D3D12_RESOURCE_STATE_COPY_DEST,
    nullptr,
    IID_PPV_ARGS(&uavBuffer)));

// 创建UAV缓冲区视图
D3D12_UNORDERED_ACCESS_VIEW_DESC uavDesc = {};
uavDesc.ViewDimension = D3D12_UAV_DIMENSION_BUFFER;
uavDesc.Buffer.FirstElement = 0;
uavDesc.Buffer.NumElements = uavBufferSize / sizeof(float);
uavDesc.Buffer.StructureByteStride = sizeof(float);
uavDesc.Buffer.CounterOffsetInBytes = 0;
uavDesc.Buffer.Flags = D3D12_BUFFER_UAV_FLAG_NONE;
device->CreateUnorderedAccessView(uavBuffer.Get(), nullptr, &uavDesc, m_uavDescriptorHeap->GetCpuHandle(UAV_INDEX));