NGFX_SystemProfiling_InitializeActivity_D3D12_Params_V1# struct NGFX_SystemProfiling_InitializeActivity_D3D12_Params_V1# Parameters for initializing a System profiling activity in a D3D12 application. Public Members uint32_t version# Used for versioning; must be assigned a value of NGFX_SystemProfiling_InitializeActivity_D3D12_Params_VER.