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DMA: Better enforce CPU runtime during linked list

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and get rid of the hack for Newman Haas.
This commit is contained in:
Stenzek
2024-04-10 20:00:09 +10:00
parent f63f5d829d
commit 417bf0c3bc
7 changed files with 105 additions and 125 deletions
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35
src/core/gpu.cpp
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@ -467,7 +467,6 @@ void GPU::WriteRegister(u32 offset, u32 value)
case 0x00:
m_fifo.Push(value);
ExecuteCommands();
UpdateCommandTickEvent();
return;
case 0x04:
@ -495,16 +494,7 @@ void GPU::DMARead(u32* words, u32 word_count)
void GPU::EndDMAWrite()
{
m_fifo_pushed = true;
if (!m_syncing)
{
ExecuteCommands();
UpdateCommandTickEvent();
}
else
{
UpdateDMARequest();
}
ExecuteCommands();
}
/**
@ -1029,26 +1019,24 @@ void GPU::CRTCTickEvent(TickCount ticks)
void GPU::CommandTickEvent(TickCount ticks)
{
m_pending_command_ticks -= SystemTicksToGPUTicks(ticks);
m_command_tick_event->Deactivate();
// we can be syncing if this came from a DMA write. recursively executing commands would be bad.
if (!m_syncing)
ExecuteCommands();
UpdateGPUIdle();
if (m_pending_command_ticks <= 0)
m_pending_command_ticks = 0;
else
m_command_tick_event->SetIntervalAndSchedule(GPUTicksToSystemTicks(m_pending_command_ticks));
m_executing_commands = true;
ExecuteCommands();
UpdateCommandTickEvent();
m_executing_commands = false;
}
void GPU::UpdateCommandTickEvent()
{
if (m_pending_command_ticks <= 0)
{
m_pending_command_ticks = 0;
m_command_tick_event->Deactivate();
else if (!m_command_tick_event->IsActive())
}
else
{
m_command_tick_event->SetIntervalAndSchedule(GPUTicksToSystemTicks(m_pending_command_ticks));
}
}
void GPU::ConvertScreenCoordinatesToDisplayCoordinates(float window_x, float window_y, float* display_x,
@ -1121,7 +1109,6 @@ u32 GPU::ReadGPUREAD()
// end of transfer, catch up on any commands which were written (unlikely)
ExecuteCommands();
UpdateCommandTickEvent();
break;
}
}