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rsx: Restructure deferred flip queue handling

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- Allows frameskipping to occur naturally if RSX thread is bombarded with flip requests but just jumping to the last one if possible
- See request_emu_flip() for async frame submission and implicit skipping
- Also allows display queue to fill faster than the flip thread can drain the queue
This commit is contained in:
kd-11 2019-09-28 15:30:30 +03:00 • committed by kd-11
parent b9b879c3d3
commit 1464069476
2 changed files with 36 additions and 9 deletions
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14
rpcs3/Emu/RSX/RSXThread.cpp
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@ -2537,7 +2537,7 @@ namespace rsx
// Save current state
m_queued_flip.stats = m_frame_stats;
m_queued_flip.buffer = buffer;
m_queued_flip.push(buffer);
m_queued_flip.skip_frame = skip_current_frame;
if (LIKELY(!forced))
@ -2579,10 +2579,7 @@ namespace rsx
void thread::request_emu_flip(u32 buffer)
{
const bool is_rsxthr = std::this_thread::get_id() == m_rsx_thread;
// requested through command buffer
if (is_rsxthr)
if (is_current_thread()) // requested through command buffer
{
// NOTE: The flip will clear any queued flip requests
handle_emu_flip(buffer);
@ -2608,10 +2605,11 @@ namespace rsx
return;
}
if (m_queued_flip.buffer == ~0u)
if (!m_queued_flip.pop(buffer))
{
// Frame was not queued before flipping
on_frame_end(buffer, true);
verify(HERE), m_queued_flip.pop(buffer);
}
double limit = 0.;
@ -2656,16 +2654,14 @@ namespace rsx
int_flip_index++;
verify(HERE), m_queued_flip.buffer == buffer;
current_display_buffer = buffer;
m_queued_flip.emu_flip = true;
m_queued_flip.in_progress = true;
flip(m_queued_flip);
last_flip_time = get_system_time() - 1000000;
flip_status = CELL_GCM_DISPLAY_FLIP_STATUS_DONE;
m_queued_flip.buffer = ~0u;
m_queued_flip.in_progress = false;
if (flip_handler)