Add a regkey to force rayquery throttling

Add a regkey to force rayquery throttling

Author: jaladreips

IGC/AdaptorCommon/RayTracing/RayTracingInterface.cpp

@@ -145,7 +145,8 @@ void RayTracingInlineLowering(CodeGenContext* pContext)
     if (IGC_IS_FLAG_ENABLED(OverrideTMax))
         mpm.add(createOverrideTMaxPass(IGC_GET_FLAG_VALUE(OverrideTMax)));
 
-    if (pContext->platform.isDynamicRayQueryDynamicRayManagementMechanismEnabled() && pContext->getModuleMetaData()->compOpt.EnableDynamicRQManagement)
+    if (pContext->platform.isDynamicRayQueryDynamicRayManagementMechanismEnabled() && pContext->getModuleMetaData()->compOpt.EnableDynamicRQManagement ||
+        IGC_IS_FLAG_ENABLED(ForceRayQueryDynamicRayManagementMechanism))
     {
         mpm.add(CreateDynamicRayManagementPass());
     }

IGC/common/igc_flags.h

@@ -1046,6 +1046,7 @@ DECLARE_IGC_GROUP("Raytracing Options")
     DECLARE_IGC_REGKEY(DWORD, PrintfBufferSize, 0, "Set printf buffer size. Unit: KB.", true)
     DECLARE_IGC_REGKEY(bool, DisableRayQueryReturnOptimization, false, "RayQuery Return Optimization", true)
     DECLARE_IGC_REGKEY(bool, DisableRayQueryDynamicRayManagementMechanism, true, "Dynamic ray management mechanism for Synchronous Ray Tracing", true)
+    DECLARE_IGC_REGKEY(bool, ForceRayQueryDynamicRayManagementMechanism, false, "Force dynamic ray management regardless of other disable mechanisms", true)
     DECLARE_IGC_REGKEY(bool, DisableRayQueryDynamicRayManagementMechanismForExternalFunctionsCalls, false, "Disable dynamic ray management mechanism for shaders with external functions calls", true)
     DECLARE_IGC_REGKEY(bool, DisableRayQueryDynamicRayManagementMechanismForBarriers, false, "Disable dynamic ray management mechanism for shaders with barriers", true)
     DECLARE_IGC_REGKEY(bool, EnableOuterLoopHoistingForRayQueryDynamicRayManagementMechanism, false, "Disable dynamic ray management mechanism for shaders with barriers", true)