RPCSX/rpcsx
1
0
Fork 0
mirror of https://github.com/RPCSX/rpcsx.git synced 2026-04-07 15:36:26 +00:00
Code Issues Projects Releases Packages Wiki Activity

PPU: Add new patch function for SONIC 06

Browse source
This commit is contained in:
Eladash 2022-11-19 13:50:31 +02:00 • committed by Ivan
parent 681a6ef73c
commit f572e29a13
10 changed files with 94 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

58
rpcs3/Emu/Cell/Modules/HLE_PATCHES.cpp Normal file
View file

@ -0,0 +1,58 @@
#include "stdafx.h"
#include "Emu/IdManager.h"
#include "Emu/Cell/PPUModule.h"
#include "Utilities/Thread.h"
#include "Emu/Cell/lv2/sys_spu.h"
#include "Emu/Cell/lv2/sys_sync.h"
#include <thread>
// SONIC THE HEDGEDOG: a fix for a race condition between SPUs and PPUs causing missing graphics (SNR is overriden when non-empty)
void WaitForSPUsToEmptySNRs(ppu_thread& ppu, u32 spu_id, u32 snr_mask)
{
ppu.state += cpu_flag::wait;
auto [spu, group] = lv2_spu_group::get_thread(spu_id);
if ((!spu && spu_id != umax) || snr_mask % 4 == 0)
{
return;
}
// Wait until specified SNRs are reported empty at least once
for (bool has_busy = true; has_busy && !ppu.is_stopped(); std::this_thread::yield())
{
has_busy = false;
auto for_one = [&](u32, spu_thread& spu)
{
if ((snr_mask & 1) && spu.ch_snr1.get_count())
{
has_busy = true;
return;
}
if ((snr_mask & 2) && spu.ch_snr2.get_count())
{
has_busy = true;
}
};
if (spu)
{
// Wait for a single SPU
for_one(spu->id, *spu);
}
else
{
// Wait for all SPUs
idm::select<named_thread<spu_thread>>(for_one);
}
}
}
DECLARE(ppu_module_manager::hle_patches)("RPCS3_HLE_LIBRARY", []()
{
REG_FUNC(RPCS3_HLE_LIBRARY, WaitForSPUsToEmptySNRs);
});