public virtual int GetRootSignatureDescAtVersion(
D3D_ROOT_SIGNATURE_VERSION convertToVersion,
ref IntPtr ppDesc
)
{
var fp = GetFunctionPointer(3);
if (m_GetRootSignatureDescAtVersionFunc == null)
{
m_GetRootSignatureDescAtVersionFunc = (GetRootSignatureDescAtVersionFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(GetRootSignatureDescAtVersionFunc));
}
return(m_GetRootSignatureDescAtVersionFunc(m_ptr, convertToVersion, ref ppDesc));
}
public int GetRootSignatureDescAtVersion(D3D_ROOT_SIGNATURE_VERSION convertToVersion, [NativeTypeName("const D3D12_VERSIONED_ROOT_SIGNATURE_DESC **")] D3D12_VERSIONED_ROOT_SIGNATURE_DESC **ppDesc)
{
return(((delegate * stdcall <ID3D12VersionedRootSignatureDeserializer *, D3D_ROOT_SIGNATURE_VERSION, D3D12_VERSIONED_ROOT_SIGNATURE_DESC **, int>)(lpVtbl[3]))((ID3D12VersionedRootSignatureDeserializer *)Unsafe.AsPointer(ref this), convertToVersion, ppDesc));
}
/// <summary>
/// force root signature version (rootsig_1_1 if omitted)
/// </summary>
// should probs custom enum this
public static ShaderCompileFlag ForceRootSignatureVersion(D3D_ROOT_SIGNATURE_VERSION profile) => new ShaderCompileFlag($"-force-rootsig-ver {profile.ToString().Replace(nameof(D3D_ROOT_SIGNATURE_VERSION), "rootsig")}");
public static int D3D12SerializeVersionedRootSignature([NativeTypeName("const D3D12_VERSIONED_ROOT_SIGNATURE_DESC *")] D3D12_VERSIONED_ROOT_SIGNATURE_DESC *pRootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION MaxVersion, [NativeTypeName("ID3DBlob **")] ID3DBlob **ppBlob, [NativeTypeName("ID3DBlob **")] ID3DBlob **ppErrorBlob)
{
if (ppErrorBlob != null)
{
*ppErrorBlob = null;
}
switch (MaxVersion)
{
case D3D_ROOT_SIGNATURE_VERSION_1_0:
switch (pRootSignatureDesc->Version)
{
case D3D_ROOT_SIGNATURE_VERSION_1_0:
return(D3D12SerializeRootSignature(&pRootSignatureDesc->Anonymous.Desc_1_0, D3D_ROOT_SIGNATURE_VERSION_1, ppBlob, ppErrorBlob));
case D3D_ROOT_SIGNATURE_VERSION_1_1:
{
int hr = S_OK;
ref readonly D3D12_ROOT_SIGNATURE_DESC1 desc_1_1 = ref pRootSignatureDesc->Anonymous.Desc_1_1;
nuint ParametersSize = (uint)sizeof(D3D12_ROOT_PARAMETER) * desc_1_1.NumParameters;
void *pParameters = ((ulong)ParametersSize > 0) ? HeapAlloc(GetProcessHeap(), 0, ParametersSize) : null;
if ((ulong)ParametersSize > 0 && pParameters == null)
{
hr = E_OUTOFMEMORY;
}
var pParameters_1_0 = (D3D12_ROOT_PARAMETER *)pParameters;
if (SUCCEEDED(hr))
{
for (uint n = 0; n < desc_1_1.NumParameters; n++)
{
Debug.Assert((long)ParametersSize == (sizeof(D3D12_ROOT_PARAMETER) * desc_1_1.NumParameters));
pParameters_1_0[n].ParameterType = desc_1_1.pParameters[n].ParameterType;
pParameters_1_0[n].ShaderVisibility = desc_1_1.pParameters[n].ShaderVisibility;
switch (desc_1_1.pParameters[n].ParameterType)
{
case D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
pParameters_1_0[n].Anonymous.Constants.Num32BitValues = desc_1_1.pParameters[n].Anonymous.Constants.Num32BitValues;
pParameters_1_0[n].Anonymous.Constants.RegisterSpace = desc_1_1.pParameters[n].Anonymous.Constants.RegisterSpace;
pParameters_1_0[n].Anonymous.Constants.ShaderRegister = desc_1_1.pParameters[n].Anonymous.Constants.ShaderRegister;
break;
case D3D12_ROOT_PARAMETER_TYPE_CBV:
case D3D12_ROOT_PARAMETER_TYPE_SRV:
case D3D12_ROOT_PARAMETER_TYPE_UAV:
pParameters_1_0[n].Anonymous.Descriptor.RegisterSpace = desc_1_1.pParameters[n].Anonymous.Descriptor.RegisterSpace;
pParameters_1_0[n].Anonymous.Descriptor.ShaderRegister = desc_1_1.pParameters[n].Anonymous.Descriptor.ShaderRegister;
break;
case D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
ref readonly D3D12_ROOT_DESCRIPTOR_TABLE1 table_1_1 = ref desc_1_1.pParameters[n].Anonymous.DescriptorTable;
public static extern HRESULT D3D12SerializeRootSignature([NativeTypeName("const D3D12_ROOT_SIGNATURE_DESC *")] D3D12_ROOT_SIGNATURE_DESC *pRootSignature, D3D_ROOT_SIGNATURE_VERSION Version, ID3DBlob **ppBlob, ID3DBlob **ppErrorBlob);
public static extern HRESULT SerializeRootSignature(
[In] D3D12_ROOT_SIGNATURE_DESC *pRootSignature,
[In] D3D_ROOT_SIGNATURE_VERSION Version,
[Out] ID3DBlob **ppBlob,
[Out, Optional] ID3DBlob **ppErrorBlob
);
