DirectML metacommands list in RS6 18204 and D3D12 metacommands API from WinSDK 17723

gistfile1.txt

directml.dll metacommands found:
copytensor
reduce
gemm
pooling
roipooling
convolution
normalization
mvn
rnn
lstm
gru  

// Experimental Feature: D3D12MetaCommand
//
// Use with D3D12EnableExperimentalFeatures to enable the D3D12 Meta Command.
//
// Enabling D3D12MetaCommand needs no configuration struct, pass NULL in the pConfigurationStructs array.
//
// static const UUID D3D12MetaCommand = { /* C734C97E-8077-48C8-9FDC-D9D1DD31DD77 */
    0xc734c97e,
    0x8077,
    0x48c8,
    { 0x9f, 0xdc, 0xd9, 0xd1, 0xdd, 0x31, 0xdd, 0x77 }
};

ID3D12MetaCommand object

interface ID3D12MetaCommand : ID3D12Pageable
{
    UINT64 GetRequiredParameterResourceSize([annotation("_In_")] D3D12_META_COMMAND_PARAMETER_STAGE Stage, [annotation("_In_")]  UINT ParameterIndex);
}


 D3D12_AUTO_BREADCRUMB_OP_INITIALIZEMETACOMMAND = 35,
 D3D12_AUTO_BREADCRUMB_OP_EXECUTEMETACOMMAND = 36,


   D3D12_MESSAGE_ID_CREATE_METACOMMAND = 1137,
   D3D12_MESSAGE_ID_LIVE_METACOMMAND = 1138,
   D3D12_MESSAGE_ID_DESTROY_METACOMMAND = 1139,



 HRESULT EnumerateMetaCommands(
        [annotation("_Inout_")] UINT* pNumMetaCommands,
        [annotation("_Out_writes_opt_(*pNumMetaCommands)")] D3D12_META_COMMAND_DESC* pDescs
    );

  HRESULT EnumerateMetaCommands(
        [annotation("_Inout_")] UINT* pNumMetaCommands,
        [annotation("_Out_writes_opt_(*pNumMetaCommands)")] D3D12_META_COMMAND_DESC* pDescs
    );

    HRESULT EnumerateMetaCommandParameters(
        [annotation("_In_")] REFGUID CommandId,
        [annotation("_In_")] D3D12_META_COMMAND_PARAMETER_STAGE Stage,
        [annotation("_Out_opt_")] UINT* pTotalStructureSizeInBytes,
        [annotation("_Inout_")] UINT* pParameterCount,
        [annotation("_Out_writes_opt_(*pParameterCount)")] D3D12_META_COMMAND_PARAMETER_DESC* pParameterDescs
    );

    HRESULT CreateMetaCommand(
        [annotation("_In_")] REFGUID CommandId,
        [annotation("_In_")] UINT NodeMask,
        [annotation("_In_reads_bytes_opt_(CreationParametersDataSizeInBytes)")] const void * pCreationParametersData,
        [annotation("_In_")] SIZE_T CreationParametersDataSizeInBytes,
        [in] REFIID riid,
        [out, iid_is(riid), annotation("_COM_Outptr_")] void** ppMetaCommand
    );

void InitializeMetaCommand(
        [annotation("_In_")] ID3D12MetaCommand * pMetaCommand,
        [annotation("_In_reads_bytes_opt_(InitializationParametersDataSizeInBytes)")] const void * pInitializationParametersData,
        [annotation("_In_")] SIZE_T InitializationParametersDataSizeInBytes
    );

    void ExecuteMetaCommand(
        [annotation("_In_")] ID3D12MetaCommand * pMetaCommand,
        [annotation("_In_reads_bytes_opt_(ExecutionParametersDataSizeInBytes)")] const void * pExecutionParametersData,
        [annotation("_In_")] SIZE_T ExecutionParametersDataSizeInBytes
    );