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VideoCommon: Add a hidden setting to cap immediate XFB swaps to one per VI.

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This commit is contained in:
Jordan Woyak
2025-11-25 00:15:32 -06:00
parent 1fa5accf03
commit 44a766772f
4 changed files with 21 additions and 1 deletions
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Source/Core/VideoCommon/Present.cpp
+16 -1
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@@ -95,8 +95,13 @@ static void TryToSnapToXFBSize(int& width, int& height, int xfb_width, int xfb_h
Presenter::Presenter()
{
auto& video_events = GetVideoEvents();
m_config_changed =
GetVideoEvents().config_changed_event.Register([this](u32 bits) { ConfigChanged(bits); });
video_events.config_changed_event.Register([this](u32 bits) { ConfigChanged(bits); });
m_end_field_hook = video_events.vi_end_field_event.Register(
[this] { m_immediate_swap_happened_this_field.store(false, std::memory_order_relaxed); });
}
Presenter::~Presenter()
@@ -109,6 +114,8 @@ bool Presenter::Initialize()
{
UpdateDrawRectangle();
m_immediate_swap_happened_this_field.store(false, std::memory_order_relaxed);
if (!g_gfx->IsHeadless())
{
SetBackbuffer(g_gfx->GetSurfaceInfo());
@@ -214,6 +221,12 @@ void Presenter::ViSwap(u32 xfb_addr, u32 fb_width, u32 fb_stride, u32 fb_height,
void Presenter::ImmediateSwap(u32 xfb_addr, u32 fb_width, u32 fb_stride, u32 fb_height)
{
if (m_immediate_swap_happened_this_field.exchange(true, std::memory_order_relaxed) &&
Config::Get(Config::GFX_HACK_CAP_IMMEDIATE_XFB))
{
return;
}
const u64 ticks = m_next_swap_estimated_ticks;
FetchXFB(xfb_addr, fb_width, fb_stride, fb_height, ticks);
@@ -984,6 +997,8 @@ void Presenter::DoState(PointerWrap& p)
m_next_swap_estimated_ticks = m_last_xfb_ticks;
m_next_swap_estimated_time = Clock::now();
m_immediate_swap_happened_this_field.store(false, std::memory_order_relaxed);
ImmediateSwap(m_last_xfb_addr, m_last_xfb_width, m_last_xfb_stride, m_last_xfb_height);
}
}