Move D3D12 cpp files to src/RHI/D3D12/ subdirectory

2026-03-15 20:50:06 +08:00
parent 4af4326767
commit dfbd218435
21 changed files with 20 additions and 20 deletions
--- a/engine/src/RHI/D3D12/D3D12Buffer.cpp
+++ b/engine/src/RHI/D3D12/D3D12Buffer.cpp
@@ -0,0 +1,159 @@
+#include "XCEngine/RHI/D3D12/D3D12Buffer.h"
+
+namespace XCEngine {
+namespace RHI {
+
+D3D12Buffer::D3D12Buffer() {
+}
+
+D3D12Buffer::~D3D12Buffer() {
+    Shutdown();
+}
+
+bool D3D12Buffer::Initialize(ID3D12Device* device, uint64_t size, D3D12_RESOURCE_STATES initialState, D3D12_HEAP_TYPE heapType) {
+    D3D12_HEAP_PROPERTIES heapProperties = {};
+    heapProperties.Type = heapType;
+    heapProperties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
+    heapProperties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
+    heapProperties.CreationNodeMask = 0;
+    heapProperties.VisibleNodeMask = 0;
+
+    D3D12_RESOURCE_DESC bufferDesc = {};
+    bufferDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
+    bufferDesc.Alignment = 0;
+    bufferDesc.Width = size;
+    bufferDesc.Height = 1;
+    bufferDesc.DepthOrArraySize = 1;
+    bufferDesc.MipLevels = 1;
+    bufferDesc.Format = DXGI_FORMAT_UNKNOWN;
+    bufferDesc.SampleDesc.Count = 1;
+    bufferDesc.SampleDesc.Quality = 0;
+    bufferDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
+    bufferDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
+
+    HRESULT hResult = device->CreateCommittedResource(
+        &heapProperties,
+        D3D12_HEAP_FLAG_NONE,
+        &bufferDesc,
+        initialState,
+        nullptr,
+        IID_PPV_ARGS(&m_resource)
+    );
+
+    if (FAILED(hResult)) {
+        return false;
+    }
+
+    return true;
+}
+
+bool D3D12Buffer::InitializeFromExisting(ID3D12Resource* resource) {
+    m_resource = resource;
+    return true;
+}
+
+bool D3D12Buffer::InitializeWithData(ID3D12Device* device, ID3D12GraphicsCommandList* commandList, 
+    const void* data, uint64_t size, D3D12_RESOURCE_STATES finalState) {
+    
+    D3D12_HEAP_PROPERTIES heapProperties = {};
+    heapProperties.Type = D3D12_HEAP_TYPE_DEFAULT;
+    
+    D3D12_RESOURCE_DESC bufferDesc = {};
+    bufferDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
+    bufferDesc.Alignment = 0;
+    bufferDesc.Width = size;
+    bufferDesc.Height = 1;
+    bufferDesc.DepthOrArraySize = 1;
+    bufferDesc.MipLevels = 1;
+    bufferDesc.Format = DXGI_FORMAT_UNKNOWN;
+    bufferDesc.SampleDesc.Count = 1;
+    bufferDesc.SampleDesc.Quality = 0;
+    bufferDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
+    bufferDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
+
+    HRESULT hResult = device->CreateCommittedResource(
+        &heapProperties,
+        D3D12_HEAP_FLAG_NONE,
+        &bufferDesc,
+        D3D12_RESOURCE_STATE_COPY_DEST,
+        nullptr,
+        IID_PPV_ARGS(&m_resource)
+    );
+
+    if (FAILED(hResult)) {
+        return false;
+    }
+
+    bufferDesc = m_resource->GetDesc();
+    UINT64 memorySizeUsed = 0;
+    UINT64 rowSizeInBytes = 0;
+    UINT rowUsed = 0;
+    D3D12_PLACED_SUBRESOURCE_FOOTPRINT subresourceFootprint;
+    device->GetCopyableFootprints(&bufferDesc, 0, 1, 0,
+        &subresourceFootprint, &rowUsed, &rowSizeInBytes, &memorySizeUsed);
+
+    ID3D12Resource* tempBufferObject = nullptr;
+    D3D12_HEAP_PROPERTIES d3dTempHeapProperties = {};
+    d3dTempHeapProperties.Type = D3D12_HEAP_TYPE_UPLOAD;
+
+    D3D12_RESOURCE_DESC d3d12TempResourceDesc = {};
+    d3d12TempResourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
+    d3d12TempResourceDesc.Alignment = 0;
+    d3d12TempResourceDesc.Width = memorySizeUsed;
+    d3d12TempResourceDesc.Height = 1;
+    d3d12TempResourceDesc.DepthOrArraySize = 1;
+    d3d12TempResourceDesc.MipLevels = 1;
+    d3d12TempResourceDesc.Format = DXGI_FORMAT_UNKNOWN;
+    d3d12TempResourceDesc.SampleDesc.Count = 1;
+    d3d12TempResourceDesc.SampleDesc.Quality = 0;
+    d3d12TempResourceDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
+    d3d12TempResourceDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
+
+    hResult = device->CreateCommittedResource(
+        &d3dTempHeapProperties,
+        D3D12_HEAP_FLAG_NONE,
+        &d3d12TempResourceDesc,
+        D3D12_RESOURCE_STATE_GENERIC_READ,
+        nullptr,
+        IID_PPV_ARGS(&tempBufferObject)
+    );
+
+    if (FAILED(hResult)) {
+        return false;
+    }
+
+    BYTE* pData;
+    tempBufferObject->Map(0, nullptr, reinterpret_cast<void**>(&pData));
+    BYTE* pDstTempBuffer = reinterpret_cast<BYTE*>(pData + subresourceFootprint.Offset);
+    const BYTE* pSrcData = reinterpret_cast<const BYTE*>(data);
+    memcpy(pDstTempBuffer, pSrcData, size);
+    tempBufferObject->Unmap(0, nullptr);
+
+    commandList->CopyBufferRegion(m_resource.Get(), 0, tempBufferObject, 0, subresourceFootprint.Footprint.Width);
+
+    D3D12_RESOURCE_BARRIER barrier = {};
+    barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
+    barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
+    barrier.Transition.pResource = m_resource.Get();
+    barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_COPY_DEST;
+    barrier.Transition.StateAfter = finalState;
+    barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
+    commandList->ResourceBarrier(1, &barrier);
+
+    return true;
+}
+
+void D3D12Buffer::Shutdown() {
+    m_resource.Reset();
+}
+
+void D3D12Buffer::UpdateData(const void* data, uint64_t size) {
+    D3D12_RANGE range = { 0, static_cast<SIZE_T>(size) };
+    unsigned char* pBuffer = nullptr;
+    m_resource->Map(0, &range, reinterpret_cast<void**>(&pBuffer));
+    memcpy(pBuffer, data, static_cast<size_t>(size));
+    m_resource->Unmap(0, nullptr);
+}
+
+} // namespace RHI
+} // namespace XCEngine