private void BuildResources()
{
// Note, compressed formats cannot be used for UAV. We get error like:
// ERROR: ID3D11Device::CreateTexture2D: The format (0x4d, BC3_UNORM)
// cannot be bound as an UnorderedAccessView, or cast to a format that
// could be bound as an UnorderedAccessView. Therefore this format
// does not support D3D11_BIND_UNORDERED_ACCESS.
var texDesc = new ResourceDescription
{
Dimension = ResourceDimension.Texture2D,
Alignment = 0,
Width = _width,
Height = _height,
DepthOrArraySize = 1,
MipLevels = 1,
Format = _format,
SampleDescription = new SampleDescription(1, 0),
Layout = TextureLayout.Unknown,
Flags = ResourceFlags.AllowUnorderedAccess
};
_blurMap0 = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.GenericRead);
_blurMap1 = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.UnorderedAccess);
}
private void BuildResources()
{
var texDesc = new ResourceDescription
{
Dimension = ResourceDimension.Texture2D,
Alignment = 0,
Width = _renderTargetWidth,
Height = _renderTargetHeight,
DepthOrArraySize = 1,
MipLevels = 1,
Format = NormalMapFormat,
SampleDescription = new SampleDescription(1, 0),
Layout = TextureLayout.Unknown,
Flags = ResourceFlags.AllowRenderTarget
};
var optClear = new ClearValue
{
Format = NormalMapFormat,
Color = Vector4.UnitZ
};
_normalMap = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.GenericRead,
optClear);
// Ambient occlusion maps are at half resolution.
texDesc.Width = SsaoMapWidth;
texDesc.Height = SsaoMapHeight;
texDesc.Format = AmbientMapFormat;
optClear = new ClearValue
{
Format = AmbientMapFormat,
Color = Vector4.One
};
_ambientMap0 = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.GenericRead,
optClear);
_ambientMap1 = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.GenericRead,
optClear);
}
private void BuildResource()
{
var texDesc = new ResourceDescription
{
Dimension = ResourceDimension.Texture2D,
Alignment = 0,
Width = Width,
Height = Height,
DepthOrArraySize = 1,
MipLevels = 1,
Format = Format,
SampleDescription = new SampleDescription(1, 0),
Layout = TextureLayout.Unknown,
Flags = ResourceFlags.AllowDepthStencil
};
var optClear = new ClearValue
{
Format = Format.D24_UNorm_S8_UInt,
DepthStencil = new DepthStencilValue
{
Depth = 1.0f,
Stencil = 0
}
};
Resource = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.GenericRead,
optClear);
}
/// <summary>
/// Render scene
/// </summary>
public void Render()
{
// record all the commands we need to render the scene into the command list
PopulateCommandLists();
// execute the command list
commandQueue.ExecuteCommandList(commandList);
// swap the back and front buffers
swapChain.Present(1, 0);
// wait and reset EVERYTHING
WaitForPrevFrame();
RemoveAndDispose(ref renderTarget);
if (width != newWidth || height != newHeight)
{
width = newWidth;
height = newHeight;
swapChain.ResizeBuffers(SwapBufferCount, width, height, Format.Unknown, SwapChainFlags.None);
#if USE_DEPTH
RemoveAndDispose(ref depthBuffer);
depthBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Texture2D, 0, width, height, 1, 1, Format.D32_Float, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowDepthStencil),
ResourceStates.Common,
new ClearValue
{
Format = Format.D32_Float,
DepthStencil = new DepthStencilValue
{
Depth = 1,
Stencil = 0,
}
}));
device.CreateDepthStencilView(depthBuffer, null, descriptorHeapDS.CPUDescriptorHandleForHeapStart);
#endif
// Create the viewport
viewPort = new ViewportF(0, 0, width, height);
// Create the scissor
scissorRectangle = new Rectangle(0, 0, width, height);
}
renderTarget = Collect(swapChain.GetBackBuffer <Resource>(swapChain.CurrentBackBufferIndex));
device.CreateRenderTargetView(renderTarget, null, descriptorHeapRT.CPUDescriptorHandleForHeapStart);
}
public static Resource New(Device device, long clientWidth, int clientHeight, int msaaCount, int msaaQuality, Format depthStencilFormat)
{
var depthStencilDesc = BuildResourceDescription(clientWidth, clientHeight, msaaCount, msaaQuality);
var optClear = BuildClearValue(depthStencilFormat);
return(device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
depthStencilDesc,
ResourceStates.Common,
optClear));
}
public static Resource CreateDefaultBuffer <T>(
Device device,
GraphicsCommandList cmdList,
T[] initData,
long byteSize,
out Resource uploadBuffer) where T : struct
{
// Create the actual default buffer resource.
Resource defaultBuffer = device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
ResourceDescription.Buffer(byteSize),
ResourceStates.Common);
// In order to copy CPU memory data into our default buffer, we need to create
// an intermediate upload heap.
uploadBuffer = device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
ResourceDescription.Buffer(byteSize),
ResourceStates.GenericRead);
// Copy the data to the upload buffer.
IntPtr ptr = uploadBuffer.Map(0);
Utilities.Write(ptr, initData, 0, initData.Length);
uploadBuffer.Unmap(0);
// Schedule to copy the data to the default buffer resource.
cmdList.ResourceBarrierTransition(defaultBuffer, ResourceStates.Common, ResourceStates.CopyDestination);
cmdList.CopyResource(defaultBuffer, uploadBuffer);
cmdList.ResourceBarrierTransition(defaultBuffer, ResourceStates.CopyDestination, ResourceStates.GenericRead);
// Note: uploadBuffer has to be kept alive after the above function calls because
// the command list has not been executed yet that performs the actual copy.
// The caller can Release the uploadBuffer after it knows the copy has been executed.
return(defaultBuffer);
}
/// <summary>
/// Create texture from bmp
/// </summary>
/// <param name="device">Device</param>
/// <param name="filename">Filename</param>
/// <returns></returns>
public static Resource CreateTextureFromBitmap(Device device, string filename)
{
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(filename);
int width = bitmap.Width;
int height = bitmap.Height;
// Describe and create a Texture2D.
ResourceDescription textureDesc = new ResourceDescription()
{
MipLevels = 1,
Format = Format.B8G8R8A8_UNorm,
Width = width,
Height = height,
Flags = ResourceFlags.None,
DepthOrArraySize = 1,
SampleDescription = new SampleDescription(1, 0),
Dimension = ResourceDimension.Texture2D,
};
var buffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, textureDesc, ResourceStates.GenericRead);
System.Drawing.Imaging.BitmapData data = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
buffer.WriteToSubresource(0, new ResourceRegion()
{
Back = 1,
Bottom = height,
Right = width
}, data.Scan0, 4 * width, 4 * width * height);
int bufferSize = data.Height * data.Stride;
bitmap.UnlockBits(data);
return(buffer);
}
protected virtual void OnResize()
{
Debug.Assert(Device != null);
Debug.Assert(SwapChain != null);
Debug.Assert(DirectCmdListAlloc != null);
// Flush before changing any resources.
FlushCommandQueue();
CommandList.Reset(DirectCmdListAlloc, null);
// Release the previous resources we will be recreating.
foreach (Resource buffer in _swapChainBuffers)
{
buffer?.Dispose();
}
DepthStencilBuffer?.Dispose();
// Resize the swap chain.
SwapChain.ResizeBuffers(
SwapChainBufferCount,
ClientWidth, ClientHeight,
BackBufferFormat,
SwapChainFlags.AllowModeSwitch);
CpuDescriptorHandle rtvHeapHandle = RtvHeap.CPUDescriptorHandleForHeapStart;
for (int i = 0; i < SwapChainBufferCount; i++)
{
Resource backBuffer = SwapChain.GetBackBuffer <Resource>(i);
_swapChainBuffers[i] = backBuffer;
Device.CreateRenderTargetView(backBuffer, null, rtvHeapHandle);
rtvHeapHandle += RtvDescriptorSize;
}
// Create the depth/stencil buffer and view.
var depthStencilDesc = new ResourceDescription
{
Dimension = ResourceDimension.Texture2D,
Alignment = 0,
Width = ClientWidth,
Height = ClientHeight,
DepthOrArraySize = 1,
MipLevels = 1,
Format = Format.R24G8_Typeless,
SampleDescription = new SampleDescription
{
Count = MsaaCount,
Quality = MsaaQuality
},
Layout = TextureLayout.Unknown,
Flags = ResourceFlags.AllowDepthStencil
};
var optClear = new ClearValue
{
Format = DepthStencilFormat,
DepthStencil = new DepthStencilValue
{
Depth = 1.0f,
Stencil = 0
}
};
DepthStencilBuffer = Device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
depthStencilDesc,
ResourceStates.Common,
optClear);
var depthStencilViewDesc = new DepthStencilViewDescription
{
Dimension = DepthStencilViewDimension.Texture2D,
Format = DepthStencilFormat
};
// Create descriptor to mip level 0 of entire resource using a depth stencil format.
CpuDescriptorHandle dsvHeapHandle = DsvHeap.CPUDescriptorHandleForHeapStart;
Device.CreateDepthStencilView(DepthStencilBuffer, depthStencilViewDesc, dsvHeapHandle);
// Transition the resource from its initial state to be used as a depth buffer.
CommandList.ResourceBarrierTransition(DepthStencilBuffer, ResourceStates.Common, ResourceStates.DepthWrite);
// Execute the resize commands.
CommandList.Close();
CommandQueue.ExecuteCommandList(CommandList);
// Wait until resize is complete.
FlushCommandQueue();
Viewport = new ViewportF(0, 0, ClientWidth, ClientHeight, 0.0f, 1.0f);
ScissorRectangle = new RectangleF(0, 0, ClientWidth, ClientHeight);
}
public void BuildResources(GraphicsCommandList cmdList)
{
// All the textures for the wave simulation will be bound as a shader resource and
// unordered access view at some point since we ping-pong the buffers.
var texDesc = new ResourceDescription
{
Dimension = ResourceDimension.Texture2D,
Alignment = 0,
Width = ColumnCount,
Height = RowCount,
DepthOrArraySize = 1,
MipLevels = 1,
Format = Format.R32_Float,
SampleDescription = new SampleDescription(1, 0),
Layout = TextureLayout.Unknown,
Flags = ResourceFlags.AllowUnorderedAccess
};
_prevSol = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.Common);
_currSol = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.Common);
_nextSol = _device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
texDesc,
ResourceStates.Common);
//
// In order to copy CPU memory data into our default buffer, we need to create
// an intermediate upload heap.
//
int num2DSubresources = texDesc.DepthOrArraySize * texDesc.MipLevels;
_device.GetCopyableFootprints(ref texDesc, 0, num2DSubresources, 0, null, null, null, out long uploadBufferSize);
_prevUploadBuffer = _device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
ResourceDescription.Buffer(uploadBufferSize),
ResourceStates.GenericRead);
_currUploadBuffer = _device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
ResourceDescription.Buffer(uploadBufferSize),
ResourceStates.GenericRead);
//
// Schedule to copy the data to the default resource, and change states.
// Note that mCurrSol is put in the GENERIC_READ state so it can be
// read by a shader.
//
cmdList.ResourceBarrierTransition(_prevSol, ResourceStates.Common, ResourceStates.CopyDestination);
cmdList.CopyResource(_prevSol, _prevUploadBuffer);
cmdList.ResourceBarrierTransition(_prevSol, ResourceStates.CopyDestination, ResourceStates.UnorderedAccess);
cmdList.ResourceBarrierTransition(_currSol, ResourceStates.Common, ResourceStates.CopyDestination);
cmdList.CopyResource(_currSol, _currUploadBuffer);
cmdList.ResourceBarrierTransition(_currSol, ResourceStates.CopyDestination, ResourceStates.GenericRead);
cmdList.ResourceBarrierTransition(_nextSol, ResourceStates.Common, ResourceStates.UnorderedAccess);
}
private void LoadPipeline(RenderForm form)
{
int width = form.ClientSize.Width;
int height = form.ClientSize.Height;
viewport.Width = width;
viewport.Height = height;
viewport.MaxDepth = 1.0f;
scissorRect.Right = width;
scissorRect.Bottom = height;
#if DEBUG
// Enable the D3D12 debug layer.
{
DebugInterface.Get().EnableDebugLayer();
}
#endif
device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_11_0);
using (var factory = new Factory4())
{
// Describe and create the command queue.
CommandQueueDescription queueDesc = new CommandQueueDescription(CommandListType.Direct);
commandQueue = device.CreateCommandQueue(queueDesc);
// Describe and create the swap chain.
SwapChainDescription swapChainDesc = new SwapChainDescription()
{
BufferCount = FrameCount,
ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
Usage = Usage.RenderTargetOutput,
SwapEffect = SwapEffect.FlipDiscard,
OutputHandle = form.Handle,
//Flags = SwapChainFlags.None,
SampleDescription = new SampleDescription(1, 0),
IsWindowed = true
};
SwapChain tempSwapChain = new SwapChain(factory, commandQueue, swapChainDesc);
swapChain = tempSwapChain.QueryInterface<SwapChain3>();
tempSwapChain.Dispose();
frameIndex = swapChain.CurrentBackBufferIndex;
}
// Create descriptor heaps.
// Describe and create a render target view (RTV) descriptor heap.
DescriptorHeapDescription rtvHeapDesc = new DescriptorHeapDescription()
{
DescriptorCount = FrameCount,
Flags = DescriptorHeapFlags.None,
Type = DescriptorHeapType.RenderTargetView
};
renderTargetViewHeap = device.CreateDescriptorHeap(rtvHeapDesc);
rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);
// Create frame resources.
CpuDescriptorHandle rtvHandle = renderTargetViewHeap.CPUDescriptorHandleForHeapStart;
for (int n = 0; n < FrameCount; n++)
{
renderTargets[n] = swapChain.GetBackBuffer<Resource>(n);
device.CreateRenderTargetView(renderTargets[n], null, rtvHandle);
rtvHandle += rtvDescriptorSize;
}
//create depth buffer;
DescriptorHeapDescription dsvHeapDesc = new DescriptorHeapDescription()
{
DescriptorCount = FrameCount,
Flags = DescriptorHeapFlags.None,
Type = DescriptorHeapType.DepthStencilView
};
depthStencilViewHeap = device.CreateDescriptorHeap(dsvHeapDesc);
CpuDescriptorHandle dsvHandle = depthStencilViewHeap.CPUDescriptorHandleForHeapStart;
ClearValue depthOptimizedClearValue = new ClearValue()
{
Format = Format.D32_Float,
DepthStencil = new DepthStencilValue() { Depth = 1.0F, Stencil = 0 },
};
depthTarget = device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Texture2D, 0, width, height, 1, 0, Format.D32_Float, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowDepthStencil),
ResourceStates.DepthWrite, depthOptimizedClearValue);
var depthView = new DepthStencilViewDescription()
{
Format = Format.D32_Float,
Dimension = DepthStencilViewDimension.Texture2D,
Flags = DepthStencilViewFlags.None,
};
//bind depth buffer
device.CreateDepthStencilView(depthTarget, null, dsvHandle);
commandAllocator = device.CreateCommandAllocator(CommandListType.Direct);
bundleAllocator = device.CreateCommandAllocator(CommandListType.Bundle);
}
static Resource CreateTextureFromDDS(Device d3dDevice, DDS_HEADER header, DDS_HEADER_DXT10?header10, byte[] bitData, int offset, int maxsize, out bool isCubeMap)
{
int width = header.width;
int height = header.height;
int depth = header.depth;
ResourceDimension resDim = ResourceDimension.Unknown;
int arraySize = 1;
Format format = Format.Unknown;
isCubeMap = false;
int mipCount = header.mipMapCount;
if (0 == mipCount)
{
mipCount = 1;
}
if (((header.ddspf.flags & DDS_FOURCC) > 0) && (MAKEFOURCC('D', 'X', '1', '0') == header.ddspf.fourCC))
{
DDS_HEADER_DXT10 d3d10ext = header10.Value;
arraySize = d3d10ext.arraySize;
if (arraySize == 0)
{
throw new Exception();
}
if (BitsPerPixel(d3d10ext.dxgiFormat) == 0)
{
throw new Exception();
}
format = d3d10ext.dxgiFormat;
switch ((ResourceDimension)d3d10ext.resourceDimension)
{
case ResourceDimension.Texture1D:
// D3DX writes 1D textures with a fixed Height of 1
if ((header.flags & DDS_HEIGHT) > 0 && height != 1)
{
throw new Exception();
}
height = depth = 1;
break;
case ResourceDimension.Texture2D:
//D3D11_RESOURCE_MISC_TEXTURECUBE
if ((d3d10ext.miscFlag & 0x4) > 0)
{
arraySize *= 6;
isCubeMap = true;
}
depth = 1;
break;
case ResourceDimension.Texture3D:
if (!((header.flags & DDS_HEADER_FLAGS_VOLUME) > 0))
{
throw new Exception();
}
if (arraySize > 1)
{
throw new Exception();
}
break;
default:
throw new Exception();
}
resDim = (ResourceDimension)d3d10ext.resourceDimension;
}
else
{
format = GetDXGIFormat(header.ddspf);
if (format == Format.Unknown)
{
throw new Exception();
}
if ((header.flags & DDS_HEADER_FLAGS_VOLUME) > 0)
{
resDim = ResourceDimension.Texture3D;
}
else
{
if ((header.caps2 & DDS_CUBEMAP) > 0)
{
// We require all six faces to be defined
if ((header.caps2 & DDS_CUBEMAP_ALLFACES) != DDS_CUBEMAP_ALLFACES)
{
throw new Exception();
}
arraySize = 6;
isCubeMap = true;
}
depth = 1;
resDim = ResourceDimension.Texture2D;
}
}
var resource = d3dDevice.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None,
new ResourceDescription()
{
//Alignment = -1,
Dimension = resDim,
DepthOrArraySize = (short)arraySize,
Flags = ResourceFlags.None,
Format = format,
Height = height,
Layout = TextureLayout.Unknown,
MipLevels = (short)mipCount,
SampleDescription = new SampleDescription(1, 0),
Width = width,
},
ResourceStates.GenericRead);
FillInitData(resource, width, height, depth, mipCount, arraySize, format, 0, 0, bitData, offset);
return(resource);
}
void CreateBuffers()
{
SharpDX.Direct3D12.CpuDescriptorHandle rtv = _heapRTV.CPUDescriptorHandleForHeapStart;
SharpDX.Direct3D12.HeapFlags flags = SharpDX.Direct3D12.HeapFlags.None;
_frameIndex = _swapChain.CurrentBackBufferIndex;
SharpDX.DXGI.SwapChainDescription1 swapChainDesc = _swapChain.Description1;
// TODO: Check ID3D12Device8 to enable D3D12_HEAP_FLAG_CREATE_NOT_ZEROED
SharpDX.Direct3D12.ResourceDescription desc = new SharpDX.Direct3D12.ResourceDescription();
desc.Dimension = SharpDX.Direct3D12.ResourceDimension.Texture2D;
desc.Alignment = 0;
desc.Width = swapChainDesc.Width;
desc.Height = swapChainDesc.Height;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.SampleDescription = _sampleDesc;
desc.Layout = SharpDX.Direct3D12.TextureLayout.Unknown;
SharpDX.Direct3D12.HeapProperties heap = new SharpDX.Direct3D12.HeapProperties();
heap.Type = SharpDX.Direct3D12.HeapType.Default;
heap.CPUPageProperty = SharpDX.Direct3D12.CpuPageProperty.Unknown;
heap.MemoryPoolPreference = SharpDX.Direct3D12.MemoryPool.Unknown;
heap.CreationNodeMask = 0;
heap.VisibleNodeMask = 0;
SharpDX.Direct3D12.ClearValue clearValue = new SharpDX.Direct3D12.ClearValue();
clearValue.Format = _format;
clearValue.Color = new SharpDX.Mathematics.Interop.RawVector4(0.0f, 0.0f, 0.0f, 0.0f);
for (int i = 0; i < FrameCount; i++)
{
desc.Format = _format;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.AllowRenderTarget;
_backBuffers[i] = _swapChain.GetBackBuffer <SharpDX.Direct3D12.Resource>(i);
if (_sampleDesc.Count != 1)
{
_backBuffersAA[i] = _dev.CreateCommittedResource(heap, flags, desc, SharpDX.Direct3D12.ResourceStates.ResolveSource, clearValue);
_dev.CreateRenderTargetView(_backBuffersAA[i], null, rtv);
}
else
{
SharpDX.Direct3D12.RenderTargetViewDescription view = new SharpDX.Direct3D12.RenderTargetViewDescription();
view.Format = _format;
view.Dimension = SharpDX.Direct3D12.RenderTargetViewDimension.Texture2D;
view.Texture2D.MipSlice = 0;
view.Texture2D.PlaneSlice = 0;
_dev.CreateRenderTargetView(_backBuffers[i], view, rtv);
}
rtv.Ptr += _sizeRTV;
}
// Stencil buffer
clearValue.Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt;
clearValue.DepthStencil.Depth = 0.0f;
clearValue.DepthStencil.Stencil = 0;
desc.Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.AllowDepthStencil;
_stencilBuffer = _dev.CreateCommittedResource(heap, flags, desc, SharpDX.Direct3D12.ResourceStates.DepthWrite, clearValue);
SharpDX.Direct3D12.CpuDescriptorHandle dsv = _heapDSV.CPUDescriptorHandleForHeapStart;
_dev.CreateDepthStencilView(_stencilBuffer, null, dsv);
// Viewport
_viewport[0].TopLeftX = 0.0f;
_viewport[0].TopLeftY = 0.0f;
_viewport[0].Width = desc.Width;
_viewport[0].Height = desc.Height;
_viewport[0].MinDepth = 0.0f;
_viewport[0].MaxDepth = 1.0f;
}