d4r: official NVIDIA DLSS on AMD GPUs under Linux and Proton

tools/ngx_param_abi_probe_shared.h

@@ -0,0 +1,12 @@
+#pragma once
+
+struct D4rNgxParamLogRecord
+{
+    unsigned char operation;
+    unsigned char valueType;
+    unsigned short reserved;
+    unsigned int result;
+    unsigned long long value;
+    char name[64];
+};
+static_assert(sizeof(D4rNgxParamLogRecord) == 80);