archive/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-07-09 00:11:24 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

rsx: Stop spamming ZCULL update method

Browse source 
- This has a negative impact when ZCULL is active due to spamming __rdtsc
- While the method is fast, it is not free and some checks are done before the instruction can be emitted
  Let's use the saved time to actually get something useful done
This commit is contained in:
kd-11 2022-05-14 18:41:33 +03:00 • committed by kd-11
parent 7fa521a046
commit 5315eb546f
4 changed files with 39 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

18
rpcs3/Emu/RSX/RSXThread.cpp
View file

@ -763,11 +763,18 @@ namespace rsx
sync_point_request.release(false);
}
// Execute backend-local tasks first
do_local_task(performance_counters.state);
// Update sub-units every 64 cycles. The local handler is invoked for other functions externally on-demand anyway.
// This avoids expensive calls to check timestamps which involves reading some values from TLS storage on windows.
// If something is going on in the backend that requires an update, set the interrupt bit explicitly.
if ((m_cycles_counter++ & 63) == 0 ||
m_graphics_state & (rsx::pipeline_state::backend_interrupt_bits))
{
// Execute backend-local tasks first
do_local_task(performance_counters.state);
// Update sub-units
zcull_ctrl->update(this);
// Update other sub-units
zcull_ctrl->update(this);
}
// Execute FIFO queue
run_FIFO();
@ -2952,6 +2959,8 @@ namespace rsx
m_invalidated_memory_range = unmap_range;
}
m_graphics_state |= rsx::pipeline_state::backend_interrupt;
}
}
@ -3143,6 +3152,7 @@ namespace rsx
async_flip_buffer = buffer;
async_flip_requested |= flip_request::emu_requested;
m_graphics_state |= rsx::pipeline_state::backend_interrupt;
}
}