public RootSignature(GraphicsDevice device, RootSignatureDescription description)
{
GraphicsDevice = device;
RootSignatureDescription1 nativeDescription = new RootSignatureDescription1((Vortice.Direct3D12.RootSignatureFlags)description.Flags)
{
Parameters = description.Parameters?.Select(p => Unsafe.As <RootParameter, RootParameter1>(ref p)).ToArray(),
StaticSamplers = description.StaticSamplers?.Select(s => Unsafe.As <StaticSamplerDescription, Vortice.Direct3D12.StaticSamplerDescription>(ref s)).ToArray()
};
NativeRootSignature = GraphicsDevice.NativeDevice.CreateRootSignature(new VersionedRootSignatureDescription(nativeDescription));
}
public ID3D12RootSignature CreateRootSignature()
{
int cbvShaderRegister = 0;
List <RootParameter1> rootParameters = new List <RootParameter1>
{
new RootParameter1(new RootConstants(cbvShaderRegister++, 0, 1), ShaderVisibility.All),
new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvShaderRegister++)), ShaderVisibility.All),
new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvShaderRegister++)), ShaderVisibility.All),
new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvShaderRegister++)), ShaderVisibility.All),
new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvShaderRegister++)), ShaderVisibility.All),
new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.Sampler, 1, 0)), ShaderVisibility.All)
};
List <DescriptorRange1> shaderResourceRootDescriptorRanges = new List <DescriptorRange1>();
if (ConstantBufferViews.Count > 0)
{
shaderResourceRootDescriptorRanges.Add(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, ConstantBufferViews.Count, cbvShaderRegister));
}
if (ShaderResourceViews.Count > 0)
{
shaderResourceRootDescriptorRanges.Add(new DescriptorRange1(DescriptorRangeType.ShaderResourceView, ShaderResourceViews.Count, 0));
}
if (UnorderedAccessViews.Count > 0)
{
shaderResourceRootDescriptorRanges.Add(new DescriptorRange1(DescriptorRangeType.UnorderedAccessView, UnorderedAccessViews.Count, 0));
}
if (shaderResourceRootDescriptorRanges.Count > 0)
{
rootParameters.Add(new RootParameter1(new RootDescriptorTable1(shaderResourceRootDescriptorRanges.ToArray()), ShaderVisibility.All));
}
if (Samplers.Count > 0)
{
rootParameters.Add(new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.Sampler, Samplers.Count, 1)), ShaderVisibility.All));
}
RootSignatureDescription1 rootSignatureDescription = new RootSignatureDescription1(
RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters.ToArray());
return(GraphicsDevice.CreateRootSignature(new VersionedRootSignatureDescription(rootSignatureDescription)));
}
public RootSignature(GraphicsDevice device, RootSignatureDescription description)
{
GraphicsDevice = device;
RootSignatureDescription1 nativeDescription = new RootSignatureDescription1((Vortice.Direct3D12.RootSignatureFlags)description.Flags);
if (description.Parameters != null)
{
nativeDescription.Parameters = Unsafe.As <RootParameter1[]>(description.Parameters);
}
if (description.StaticSamplers != null)
{
nativeDescription.StaticSamplers = Unsafe.As <Vortice.Direct3D12.StaticSamplerDescription[]>(description.StaticSamplers);
}
NativeRootSignature = GraphicsDevice.NativeDevice.CreateRootSignature(new VersionedRootSignatureDescription(nativeDescription));
}
internal void Sign1(GraphicsDevice graphicsDevice, int registerSpace = 0)
{
//static samplers
StaticSamplerDescription[] samplerDescription = null;
if (flags != RootSignatureFlags.LocalRootSignature)
{
samplerDescription = new StaticSamplerDescription[4];
samplerDescription[0] = new StaticSamplerDescription()
{
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
BorderColor = StaticBorderColor.OpaqueBlack,
ComparisonFunction = ComparisonFunction.Never,
Filter = Filter.MinMagMipLinear,
MipLODBias = 0,
MaxAnisotropy = 0,
MinLOD = 0,
MaxLOD = float.MaxValue,
ShaderVisibility = ShaderVisibility.All,
RegisterSpace = 0,
ShaderRegister = 0,
};
samplerDescription[1] = samplerDescription[0];
samplerDescription[1].AddressU = TextureAddressMode.Wrap;
samplerDescription[1].AddressV = TextureAddressMode.Wrap;
samplerDescription[1].AddressW = TextureAddressMode.Wrap;
samplerDescription[2] = samplerDescription[0];
samplerDescription[3] = samplerDescription[0];
samplerDescription[1].ShaderRegister = 1;
samplerDescription[2].ShaderRegister = 2;
samplerDescription[3].ShaderRegister = 3;
samplerDescription[1].MaxAnisotropy = 16;
samplerDescription[1].Filter = Filter.Anisotropic;
samplerDescription[2].ComparisonFunction = ComparisonFunction.Less;
samplerDescription[2].Filter = Filter.ComparisonMinMagMipLinear;
samplerDescription[3].Filter = Filter.MinMagMipPoint;
}
RootParameter1[] rootParameters = new RootParameter1[descs.Length];
int cbvCount = 0;
int srvCount = 0;
int uavCount = 0;
cbv.Clear();
srv.Clear();
uav.Clear();
for (int i = 0; i < descs.Length; i++)
{
ResourceAccessType t = descs[i];
switch (t)
{
case ResourceAccessType.CBV:
rootParameters[i] = new RootParameter1(RootParameterType.ConstantBufferView, new RootDescriptor1(cbvCount, registerSpace), ShaderVisibility.All);
cbv[cbvCount] = i;
cbvCount++;
break;
case ResourceAccessType.SRV:
rootParameters[i] = new RootParameter1(RootParameterType.ShaderResourceView, new RootDescriptor1(srvCount, registerSpace), ShaderVisibility.All);
srv[srvCount] = i;
srvCount++;
break;
case ResourceAccessType.UAV:
rootParameters[i] = new RootParameter1(RootParameterType.UnorderedAccessView, new RootDescriptor1(uavCount, registerSpace), ShaderVisibility.All);
uav[uavCount] = i;
uavCount++;
break;
case ResourceAccessType.CBVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvCount, registerSpace)), ShaderVisibility.All);
cbv[cbvCount] = i;
cbvCount++;
break;
case ResourceAccessType.SRVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ShaderResourceView, 1, srvCount, registerSpace)), ShaderVisibility.All);
srv[srvCount] = i;
srvCount++;
break;
case ResourceAccessType.UAVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.UnorderedAccessView, 1, uavCount, registerSpace)), ShaderVisibility.All);
uav[uavCount] = i;
uavCount++;
break;
}
}
RootSignatureDescription1 rootSignatureDescription = new RootSignatureDescription1();
rootSignatureDescription.StaticSamplers = samplerDescription;
rootSignatureDescription.Flags = flags;
rootSignatureDescription.Parameters = rootParameters;
rootSignature?.Release();
rootSignature = graphicsDevice.device.CreateRootSignature <ID3D12RootSignature>(0, rootSignatureDescription);
}
public void CreateRootSignature(RootSignature rootSignature, IList <RootSignatureParamP> types)
{
//static samplers
StaticSamplerDescription[] samplerDescription = new StaticSamplerDescription[4];
samplerDescription[0] = new StaticSamplerDescription(ShaderVisibility.All, 0, 0)
{
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
BorderColor = StaticBorderColor.OpaqueBlack,
ComparisonFunction = ComparisonFunction.Never,
Filter = Filter.MinMagMipLinear,
MipLODBias = 0,
MaxAnisotropy = 0,
MinLOD = 0,
MaxLOD = float.MaxValue,
ShaderVisibility = ShaderVisibility.All,
RegisterSpace = 0,
ShaderRegister = 0,
};
samplerDescription[1] = samplerDescription[0];
samplerDescription[2] = samplerDescription[0];
samplerDescription[3] = samplerDescription[0];
samplerDescription[1].ShaderRegister = 1;
samplerDescription[2].ShaderRegister = 2;
samplerDescription[3].ShaderRegister = 3;
samplerDescription[1].MaxAnisotropy = 16;
samplerDescription[1].Filter = Filter.Anisotropic;
samplerDescription[2].ComparisonFunction = ComparisonFunction.Less;
samplerDescription[2].Filter = Filter.ComparisonMinMagMipLinear;
samplerDescription[3].Filter = Filter.MinMagMipPoint;
RootParameter1[] rootParameters = new RootParameter1[types.Count];
int cbvCount = 0;
int srvCount = 0;
int uavCount = 0;
rootSignature.cbv.Clear();
rootSignature.srv.Clear();
rootSignature.uav.Clear();
for (int i = 0; i < types.Count; i++)
{
RootSignatureParamP t = types[i];
switch (t)
{
case RootSignatureParamP.CBV:
rootParameters[i] = new RootParameter1(RootParameterType.ConstantBufferView, new RootDescriptor1(cbvCount, 0), ShaderVisibility.All);
rootSignature.cbv[cbvCount] = i;
cbvCount++;
break;
case RootSignatureParamP.SRV:
rootParameters[i] = new RootParameter1(RootParameterType.ShaderResourceView, new RootDescriptor1(srvCount, 0), ShaderVisibility.All);
rootSignature.srv[srvCount] = i;
srvCount++;
break;
case RootSignatureParamP.UAV:
rootParameters[i] = new RootParameter1(RootParameterType.UnorderedAccessView, new RootDescriptor1(uavCount, 0), ShaderVisibility.All);
rootSignature.uav[uavCount] = i;
uavCount++;
break;
case RootSignatureParamP.CBVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvCount)), ShaderVisibility.All);
rootSignature.cbv[cbvCount] = i;
cbvCount++;
break;
case RootSignatureParamP.SRVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ShaderResourceView, 1, srvCount)), ShaderVisibility.All);
rootSignature.srv[srvCount] = i;
srvCount++;
break;
case RootSignatureParamP.UAVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.UnorderedAccessView, 1, uavCount)), ShaderVisibility.All);
rootSignature.uav[uavCount] = i;
uavCount++;
break;
}
}
RootSignatureDescription1 rootSignatureDescription = new RootSignatureDescription1();
rootSignatureDescription.StaticSamplers = samplerDescription;
rootSignatureDescription.Flags = RootSignatureFlags.AllowInputAssemblerInputLayout;
rootSignatureDescription.Parameters = rootParameters;
rootSignature.rootSignature = device.CreateRootSignature <ID3D12RootSignature>(0, rootSignatureDescription);
}
public VersionedRootSignatureDescription(RootSignatureDescription1 description)
{
Version = RootSignatureVersion.Version11;
Description_1_1 = description;
}
