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Allow resolution change with mismatching display refresh rates 

Removing the DM_DISPLAYFREQUENCY flag from the DEVMODE::dmFields
member lets Windows choose its own preferred frequency.
Nicolas Hake 2011-05-15 16:24:26 +02:00
parent e791b14af9
commit 34aa95562d
1 changed files with 5 additions and 7 deletions
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12
src/platform/StdWindow.cpp
View File

@ -363,17 +363,13 @@ bool CStdApp::SetVideoMode(unsigned int iXRes, unsigned int iYRes, unsigned int
// Get current display settings
if (!EnumDisplaySettingsW(Mon.GetWideChar(), ENUM_CURRENT_SETTINGS, &dmode))
return false;
if (!iRefreshRate)
{
// Default to current
iRefreshRate = dmode.dmDisplayFrequency;
}
int orientation = dmode.dmDisplayOrientation;
// enumerate modes
int i=0;
while (EnumDisplaySettingsW(Mon.GetWideChar(), i++, &dmode))
// compare enumerated mode with requested settings
if (dmode.dmPelsWidth==iXRes && dmode.dmPelsHeight==iYRes && dmode.dmBitsPerPel==iColorDepth && dmode.dmDisplayOrientation==orientation && dmode.dmDisplayFrequency==iRefreshRate)
if (dmode.dmPelsWidth==iXRes && dmode.dmPelsHeight==iYRes && dmode.dmBitsPerPel==iColorDepth && dmode.dmDisplayOrientation==orientation
&& (iRefreshRate == 0 || dmode.dmDisplayFrequency == iRefreshRate))
{
fFound=true;
dspMode=dmode;
@ -389,7 +385,9 @@ bool CStdApp::SetVideoMode(unsigned int iXRes, unsigned int iYRes, unsigned int
}
else
{
dspMode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
dspMode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
if (iRefreshRate != 0)
dspMode.dmFields |= DM_DISPLAYFREQUENCY;
if (ChangeDisplaySettingsExW(iMonitor ? Mon.GetWideChar() : NULL, &dspMode, NULL, CDS_FULLSCREEN, NULL) != DISP_CHANGE_SUCCESSFUL)
{
return false;