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36 changes: 18 additions & 18 deletions src/Renderer.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -640,35 +640,35 @@ void Renderer::initializeResources()
heapProps.CreationNodeMask = 1;
heapProps.VisibleNodeMask = 1;

D3D12_RESOURCE_DESC vertexBufferResourceDesc;
vertexBufferResourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
vertexBufferResourceDesc.Alignment = 0;
vertexBufferResourceDesc.Width = indexBufferSize;
vertexBufferResourceDesc.Height = 1;
vertexBufferResourceDesc.DepthOrArraySize = 1;
vertexBufferResourceDesc.MipLevels = 1;
vertexBufferResourceDesc.Format = DXGI_FORMAT_UNKNOWN;
vertexBufferResourceDesc.SampleDesc.Count = 1;
vertexBufferResourceDesc.SampleDesc.Quality = 0;
vertexBufferResourceDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
vertexBufferResourceDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
D3D12_RESOURCE_DESC indexBufferResourceDesc;
indexBufferResourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
indexBufferResourceDesc.Alignment = 0;
indexBufferResourceDesc.Width = indexBufferSize;
indexBufferResourceDesc.Height = 1;
indexBufferResourceDesc.DepthOrArraySize = 1;
indexBufferResourceDesc.MipLevels = 1;
indexBufferResourceDesc.Format = DXGI_FORMAT_UNKNOWN;
indexBufferResourceDesc.SampleDesc.Count = 1;
indexBufferResourceDesc.SampleDesc.Quality = 0;
indexBufferResourceDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
indexBufferResourceDesc.Flags = D3D12_RESOURCE_FLAG_NONE;

ThrowIfFailed(mDevice->CreateCommittedResource(
&heapProps, D3D12_HEAP_FLAG_NONE, &vertexBufferResourceDesc,
&heapProps, D3D12_HEAP_FLAG_NONE, &indexBufferResourceDesc,
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr,
IID_PPV_ARGS(&mIndexBuffer)));

// Copy the triangle data to the vertex buffer.
UINT8* pVertexDataBegin;
// Copy the triangle indices to the index buffer.
UINT8* pIndexDataBegin;

// We do not intend to read from this resource on the CPU.
D3D12_RANGE readRange;
readRange.Begin = 0;
readRange.End = 0;

ThrowIfFailed(mIndexBuffer->Map(
0, &readRange, reinterpret_cast<void**>(&pVertexDataBegin)));
memcpy(pVertexDataBegin, mIndexBufferData, sizeof(mIndexBufferData));
0, &readRange, reinterpret_cast<void**>(&pIndexDataBegin)));
memcpy(pIndexDataBegin, mIndexBufferData, sizeof(mIndexBufferData));
mIndexBuffer->Unmap(0, nullptr);

// Initialize the vertex buffer view.
Expand Down Expand Up @@ -989,4 +989,4 @@ void Renderer::render()
}

mFrameIndex = mSwapchain->GetCurrentBackBufferIndex();
}
}