internal void SetPartResourceState(ID3D12GraphicsCommandList commandList, ResourceStates states, int mipLevelBegin, int mipLevels)
{
for (int i = mipLevelBegin; i < mipLevelBegin + mipLevels; i++)
{
for (int j = 0; j < 6; j++)
{
int index1 = j * this.mipLevels + i;
if (states != resourceStates[index1])
{
commandList.ResourceBarrierTransition(resource, resourceStates[index1], states, index1);
resourceStates[index1] = states;
}
}
}
}
internal void SetPartResourceState(ID3D12GraphicsCommandList commandList, ResourceStates states, int mipLevelBegin, int mipLevels)
{
bool uavBarrier = false;
for (int i = mipLevelBegin; i < mipLevelBegin + mipLevels; i++)
{
int index1 = i;
if (states != resourceStates[index1])
{
commandList.ResourceBarrierTransition(resource, resourceStates[index1], states, index1);
resourceStates[index1] = states;
}
else if (states == ResourceStates.UnorderedAccess)
{
uavBarrier = true;
}
}
if (uavBarrier)
{
commandList.ResourceBarrierUnorderedAccessView(resource);
}
}
public static ulong UpdateSubresources(
ID3D12GraphicsCommandList pCmdList,
ID3D12Resource pDestinationResource,
ID3D12Resource pIntermediate,
ulong IntermediateOffset,
int FirstSubresource,
int NumSubresources,
Span <SubresourceData> pSrcData)
{
Span <PlacedSubresourceFootPrint> pLayouts = stackalloc PlacedSubresourceFootPrint[NumSubresources];
Span <ulong> pRowSizesInBytes = stackalloc ulong[NumSubresources];
Span <int> pNumRows = stackalloc int[NumSubresources];
var Desc = pDestinationResource.Description;
ID3D12Device pDevice = null;
pDestinationResource.GetDevice(out pDevice);
pDevice.GetCopyableFootprints(Desc, (int)FirstSubresource, (int)NumSubresources, IntermediateOffset, pLayouts, pNumRows, pRowSizesInBytes, out ulong RequiredSize);
pDevice.Release();
ulong Result = UpdateSubresources(pCmdList, pDestinationResource, pIntermediate, FirstSubresource, NumSubresources, RequiredSize, pLayouts, pNumRows, pRowSizesInBytes, pSrcData);
return(Result);
}
internal CompiledCommandList(CommandList builder, ID3D12CommandAllocator nativeCommandAllocator, ID3D12GraphicsCommandList nativeCommandList)
{
Builder = builder;
NativeCommandAllocator = nativeCommandAllocator;
NativeCommandList = nativeCommandList;
}
protected Application(bool useDirect3D12)
{
_wndProc = ProcessWindowMessage;
var wndClassEx = new WNDCLASSEX
{
Size = Unsafe.SizeOf <WNDCLASSEX>(),
Styles = WindowClassStyles.CS_HREDRAW | WindowClassStyles.CS_VREDRAW | WindowClassStyles.CS_OWNDC,
WindowProc = _wndProc,
InstanceHandle = HInstance,
CursorHandle = LoadCursor(IntPtr.Zero, SystemCursor.IDC_ARROW),
BackgroundBrushHandle = IntPtr.Zero,
IconHandle = IntPtr.Zero,
ClassName = WndClassName,
};
var atom = RegisterClassEx(ref wndClassEx);
if (atom == 0)
{
throw new InvalidOperationException(
$"Failed to register window class. Error: {Marshal.GetLastWin32Error()}"
);
}
Window = new Window("Vortice", 800, 600);
if (useDirect3D12 &&
!ID3D12Device.IsSupported(null, FeatureLevel.Level_11_0))
{
useDirect3D12 = false;
}
var debugFactory = false;
#if DEBUG
if (useDirect3D12)
{
if (D3D12GetDebugInterface <ID3D12Debug>(out var debug).Success)
{
debug.EnableDebugLayer();
debugFactory = true;
}
}
#endif
if (useDirect3D12)
{
if (CreateDXGIFactory2(debugFactory, out IDXGIFactory4 dxgiFactory4).Failure)
{
throw new InvalidOperationException("Cannot create IDXGIFactory4");
}
_dxgiFactory = dxgiFactory4;
}
else
{
if (CreateDXGIFactory2(debugFactory, out _dxgiFactory).Failure)
{
throw new InvalidOperationException("Cannot create IDXGIFactory4");
}
}
if (useDirect3D12)
{
Debug.Assert(D3D12CreateDevice(null, FeatureLevel.Level_11_0, out _d3d12Device).Success);
_d3d12CommandQueue = _d3d12Device.CreateCommandQueue(new CommandQueueDescription(CommandListType.Direct, CommandQueuePriority.Normal));
}
else
{
var featureLevels = new FeatureLevel[]
{
FeatureLevel.Level_11_1,
FeatureLevel.Level_11_0
};
Debug.Assert(ID3D11Device.TryCreate(
null,
DriverType.Hardware,
DeviceCreationFlags.BgraSupport,
featureLevels,
out _d3d11Device,
out _d3d11DeviceContext).Success);
}
var swapChainDesc = new SwapChainDescription1
{
BufferCount = FrameCount,
Width = Window.Width,
Height = Window.Height,
Format = Format.B8G8R8A8_UNorm,
Usage = Vortice.Usage.RenderTargetOutput,
SwapEffect = SwapEffect.FlipDiscard,
SampleDescription = new SampleDescription(1, 0)
};
SwapChain = DXGIFactory.CreateSwapChainForHwnd(_d3d12CommandQueue, Window.Handle, swapChainDesc);
DXGIFactory.MakeWindowAssociation(Window.Handle, WindowAssociationFlags.IgnoreAltEnter);
if (useDirect3D12)
{
SwapChain3 = SwapChain.QueryInterface <IDXGISwapChain3>();
_frameIndex = SwapChain3.GetCurrentBackBufferIndex();
}
_rtvHeap = _d3d12Device.CreateDescriptorHeap(new DescriptorHeapDescription(DescriptorHeapType.RenderTargetView, FrameCount));
_rtvDescriptorSize = _d3d12Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);
// Create frame resources.
{
var rtvHandle = _rtvHeap.GetCPUDescriptorHandleForHeapStart();
// Create a RTV for each frame.
_renderTargets = new ID3D12Resource[FrameCount];
for (var i = 0; i < FrameCount; i++)
{
_renderTargets[i] = SwapChain.GetBuffer <ID3D12Resource>(i);
_d3d12Device.CreateRenderTargetView(_renderTargets[i], null, rtvHandle);
rtvHandle += _rtvDescriptorSize;
}
}
_commandAllocator = _d3d12Device.CreateCommandAllocator(CommandListType.Direct);
_commandList = _d3d12Device.CreateCommandList(CommandListType.Direct, _commandAllocator);
_commandList.Close();
// Create synchronization objects.
_d3d12Fence = _d3d12Device.CreateFence(0);
_fenceValue = 1;
_fenceEvent = new AutoResetEvent(false);
}