Internal Changes

Internal Changes

Author: dlei6g

IGC/common/igc_flags.h

@@ -907,7 +907,10 @@ DECLARE_IGC_GROUP("Raytracing Options")
     DECLARE_IGC_REGKEY(bool, EnableSyncDispatchRays, false, "Enable sync DispatchRays implementation", false)
     DECLARE_IGC_REGKEY(bool, ForceIndirectCallsInSyncDispatchRays, false, "Will skip direct calls in synchronous raytracing and immediately call raytracing shaders via KSP shader ptr", false)
     DECLARE_IGC_REGKEY(bool, ForceRTRetry, false, "Raytracing is compiled in the second retry state", false)
-    DECLARE_IGC_REGKEY(bool, AllowRTRetryPickBetter, false, "Allows raytracing retry to pick the best compilation instead of always using the retry compilation.", false)
+    DECLARE_IGC_REGKEY(bool, DisableRTRetryPickBetter, true, "Disables raytracing retry to pick the best compilation instead of always using the retry compilation.", false)
+    DECLARE_IGC_REGKEY(DWORD, RetryRTSpillMemThreshold, 200, "Only retry if spill mem used is more than this value", false)
+    DECLARE_IGC_REGKEY(DWORD, RetryRTSpillCostThreshold, 5, "Only retry if the percentage of spills (over total instructions) is more than this value", false)
+    DECLARE_IGC_REGKEY(DWORD, RetryRTPickBetterThreshold, 10, "Only pick the retry shader if the spill cost of the 2nd compilation is at least this percentage better than the previous compilation", false)
     DECLARE_IGC_REGKEY(bool, EnableFillScheduling, false, "Schedule fills for reduced register pressure", false)
     DECLARE_IGC_REGKEY(bool, DisableSWStackOffsetElision, false, "Avoid loading offseting when known at compile-time", false)
     DECLARE_IGC_REGKEY_ENUM(RTMemoryStyleOptions, -1, "Select layout of RT memory", RTMEMORY_STYLE_OPTIONS, true)