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rsx: Do not require ZCULL buffer binding to enable ZPASS counting

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- ZPASS data is still accessible in unbuffered mode.
  The only thing that buffered ZCULL enables is something closer to early-Z where large blocks of pixels can be dicarded earlier.
  It is strictly a performance optimization and not required for ZPASS to work.
- Update ZCULL stat calculations to take into account unbuffered Z
This commit is contained in:
kd-11 2022-07-31 15:21:46 +03:00 • committed by kd-11
parent f90b79791f
commit 052725fdc7
1 changed files with 3 additions and 3 deletions
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6
rpcs3/Emu/RSX/RSXZCULL.cpp
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@ -75,7 +75,7 @@ namespace rsx
{
// NOTE: Only enable host queries if pixel count is active to save on resources
// Can optionally be enabled for either stats enabled or zpass enabled for accuracy
const bool data_stream_available = write_enabled && (zpass_count_enabled /*|| stats_enabled*/);
const bool data_stream_available = zpass_count_enabled; // write_enabled && (zpass_count_enabled || stats_enabled);
if (host_queries_active && !data_stream_available)
{
// Stop
@ -312,14 +312,14 @@ namespace rsx
}
break;
case CELL_GCM_ZCULL_STATS3:
value = value ? 0 : u16{ umax };
value = (value || !write_enabled || !stats_enabled) ? 0 : u16{ umax };
break;
case CELL_GCM_ZCULL_STATS2:
case CELL_GCM_ZCULL_STATS1:
case CELL_GCM_ZCULL_STATS:
default:
//Not implemented
value = -1;
value = (write_enabled && stats_enabled) ? -1 : 0;
break;
}