[GPU] EVENT_WRITE_ZPD batched sample accumulation cvar

src/xenia/gpu/gpu_flags.cc

@@ -59,6 +59,11 @@ DEFINE_bool(
     "when MSAA is used with fullscreen passes.",
     "GPU");
 
+DEFINE_bool(query_occlusion_batched, false,
+            "Increment the sample count total by a fixed amount on every "
+            "EVENT_WRITE_ZPD. This provides an approximate batched occlusion "
+            "query implementation for many titles.",
+            "GPU");
 DEFINE_int32(query_occlusion_sample_lower_threshold, 80,
              "If set to -1 no sample counts are written, games may hang. Else, "
              "the sample count of every tile will be incremented on every "