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Fixed incorrect primary update schedule when updates are disabled/enabled

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This commit is contained in:
narzoul 2017-07-16 20:35:31 +02:00
parent 6a2255160f
commit d2adc5c811
1 changed files with 32 additions and 20 deletions
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52
DDrawCompat/DDraw/RealPrimarySurface.cpp
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@ -31,6 +31,7 @@ namespace
HANDLE g_updateThread = nullptr;
HANDLE g_updateEvent = nullptr;
std::atomic<int> g_disableUpdateCount = 0;
bool g_isUpdateSuspended = false;
long long g_qpcFlipModeTimeout = 0;
long long g_qpcLastFlip = 0;
long long g_qpcNextUpdate = 0;
@ -42,11 +43,6 @@ namespace
{
Compat::LogEnter("RealPrimarySurface::compatBlt", dest);
if (g_disableUpdateCount > 0)
{
return false;
}
bool result = false;
auto primary(DDraw::PrimarySurface::getPrimary());
@ -293,15 +289,19 @@ namespace DDraw
void RealPrimarySurface::disableUpdates()
{
++g_disableUpdateCount;
ResetEvent(g_updateEvent);
if (0 == g_disableUpdateCount++ && isUpdateScheduled())
{
ResetEvent(g_updateEvent);
g_isUpdateSuspended = true;
}
}
void RealPrimarySurface::enableUpdates()
{
if (0 == --g_disableUpdateCount)
if (0 == --g_disableUpdateCount && g_isUpdateSuspended)
{
update();
SetEvent(g_updateEvent);
g_isUpdateSuspended = false;
}
}
@ -313,6 +313,8 @@ namespace DDraw
}
ResetEvent(g_updateEvent);
g_isUpdateSuspended = false;
g_qpcLastFlip = Time::queryPerformanceCounter();
compatBlt(*g_backBuffer);
HRESULT result = g_frontBuffer->Flip(g_frontBuffer, nullptr, flags);
@ -414,24 +416,34 @@ namespace DDraw
void RealPrimarySurface::update()
{
if (0 == g_disableUpdateCount && (g_isFullScreen || g_clipper))
if (g_isUpdateSuspended || !(g_isFullScreen || g_clipper))
{
if (!isUpdateScheduled())
return;
}
if (!isUpdateScheduled())
{
const auto qpcNow = Time::queryPerformanceCounter();
const long long missedIntervals = (qpcNow - g_qpcNextUpdate) / g_qpcUpdateInterval;
g_qpcNextUpdate += g_qpcUpdateInterval * (missedIntervals + 1);
if (Time::qpcToMs(g_qpcNextUpdate - qpcNow) < 2)
{
g_qpcNextUpdate += g_qpcUpdateInterval;
}
if (g_disableUpdateCount <= 0)
{
const auto qpcNow = Time::queryPerformanceCounter();
const long long missedIntervals = (qpcNow - g_qpcNextUpdate) / g_qpcUpdateInterval;
g_qpcNextUpdate += g_qpcUpdateInterval * (missedIntervals + 1);
if (Time::qpcToMs(g_qpcNextUpdate - qpcNow) < 2)
{
g_qpcNextUpdate += g_qpcUpdateInterval;
}
SetEvent(g_updateEvent);
}
else if (msUntilNextUpdate() <= 0)
else
{
updateNow();
g_isUpdateSuspended = true;
}
}
else if (msUntilNextUpdate() <= 0)
{
updateNow();
}
}
void RealPrimarySurface::updatePalette(DWORD startingEntry, DWORD count)