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Added triple buffering in full screen mode

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Fixes stuttering in Midtown Madness 2 Trial (and probably other games)
when V-sync is enabled.
This commit is contained in:
narzoul 2016-05-26 00:56:24 +02:00
parent ee83a95c52
commit 04fc3c808b
1 changed files with 2 additions and 6 deletions
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8
DDrawCompat/RealPrimarySurface.cpp
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@ -212,7 +212,7 @@ HRESULT RealPrimarySurface::create(CompatRef<DirectDraw> dd)
desc.dwSize = sizeof(desc); desc.dwSize = sizeof(desc);
desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT; desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP; desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
desc.dwBackBufferCount = 1; desc.dwBackBufferCount = 2;
CompatPtr<typename Types<DirectDraw>::TCreatedSurface> surface; CompatPtr<typename Types<DirectDraw>::TCreatedSurface> surface;
HRESULT result = dd->CreateSurface(&dd, &desc, &surface.getRef(), nullptr); HRESULT result = dd->CreateSurface(&dd, &desc, &surface.getRef(), nullptr);
@ -266,12 +266,8 @@ HRESULT RealPrimarySurface::flip(DWORD flags)
invalidate(nullptr); invalidate(nullptr);
compatBlt(*g_backBuffer); compatBlt(*g_backBuffer);
if (flags & DDFLIP_DONOTWAIT)
{
flags ^= DDFLIP_DONOTWAIT;
}
HRESULT result = g_frontBuffer->Flip(g_frontBuffer, nullptr, flags | DDFLIP_WAIT); HRESULT result = g_frontBuffer->Flip(g_frontBuffer, nullptr, flags);
if (SUCCEEDED(result)) if (SUCCEEDED(result))
{ {
g_qpcNextUpdate = getNextUpdateQpc( g_qpcNextUpdate = getNextUpdateQpc(