61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
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#include "XCEngine/RHI/D3D12/D3D12Buffer.h"
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namespace XCEngine {
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namespace RHI {
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D3D12Buffer::D3D12Buffer() {
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}
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D3D12Buffer::~D3D12Buffer() {
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Shutdown();
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}
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bool D3D12Buffer::Initialize(ID3D12Device* device, uint64_t size, D3D12_RESOURCE_STATES initialState) {
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D3D12_HEAP_PROPERTIES heapProperties = {};
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heapProperties.Type = D3D12_HEAP_TYPE_DEFAULT;
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heapProperties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
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heapProperties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
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heapProperties.CreationNodeMask = 0;
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heapProperties.VisibleNodeMask = 0;
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D3D12_RESOURCE_DESC bufferDesc = {};
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bufferDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
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bufferDesc.Alignment = 0;
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bufferDesc.Width = size;
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bufferDesc.Height = 1;
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bufferDesc.DepthOrArraySize = 1;
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bufferDesc.MipLevels = 1;
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bufferDesc.Format = DXGI_FORMAT_UNKNOWN;
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bufferDesc.SampleDesc.Count = 1;
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bufferDesc.SampleDesc.Quality = 0;
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bufferDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
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bufferDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
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HRESULT hResult = device->CreateCommittedResource(
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&heapProperties,
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D3D12_HEAP_FLAG_NONE,
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&bufferDesc,
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initialState,
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nullptr,
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IID_PPV_ARGS(&m_resource)
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);
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if (FAILED(hResult)) {
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return false;
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}
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return true;
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}
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bool D3D12Buffer::InitializeFromExisting(ID3D12Resource* resource) {
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m_resource = resource;
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return true;
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}
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void D3D12Buffer::Shutdown() {
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m_resource.Reset();
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}
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} // namespace RHI
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} // namespace XCEngine
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