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Fix layer init with multiple drivers, perform driver check before init #163

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Jun 27, 2024
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Fix layer init with multiple drivers, perform driver check before init #163

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17 changes: 10 additions & 7 deletions source/lib/ze_lib.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,16 @@ namespace ze_lib
ze_lib::context->zesDdiTable.exchange(&ze_lib::context->initialzesDdiTable);
}


// Check which drivers and layers are functional by checking which can be loaded.
// This check needs to be done before all inits to avoid overwriting the layer ddi table pointers.
if( ZE_RESULT_SUCCESS == result && !sysmanOnly)
{
//Check which drivers support the ze_driver_flag_t specified
//No need to check if only initializing sysman
result = zelLoaderDriverCheck(flags);
}

if( ZE_RESULT_SUCCESS == result )
{
result = zeInit();
Expand All @@ -99,13 +109,6 @@ namespace ze_lib
result = zelLoaderTracingLayerInit(this->pTracingZeDdiTable, this->pTracingZetDdiTable, this->pTracingZesDdiTable);
}

if( ZE_RESULT_SUCCESS == result && !sysmanOnly)
{
//Check which drivers support the ze_driver_flag_t specified
//No need to check if only initializing sysman
result = zelLoaderDriverCheck(flags);
}

if( ZE_RESULT_SUCCESS == result )
{
isInitialized = true;
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