Double scan modes have double the dots to be scanned and interlaced modes only have half the dots to be scanned.
Signed-off-by: Zhiyi Zhang zzhang@codeweavers.com --- v2: Don't add a 0.05 rounding to the frequency value.
dlls/winex11.drv/xrandr.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/dlls/winex11.drv/xrandr.c b/dlls/winex11.drv/xrandr.c index bef52128f21..95e4a5d6dba 100644 --- a/dlls/winex11.drv/xrandr.c +++ b/dlls/winex11.drv/xrandr.c @@ -482,6 +482,21 @@ static XRRCrtcInfo *xrandr12_get_primary_crtc_info( XRRScreenResources *resource return NULL; }
+static unsigned int get_frequency( const XRRModeInfo *mode ) +{ + unsigned int dots = mode->hTotal * mode->vTotal; + + if (!dots) + return 0; + + if (mode->modeFlags & RR_DoubleScan) + dots *= 2; + if (mode->modeFlags & RR_Interlace) + dots /= 2; + + return (mode->dotClock + dots / 2) / dots; +} + static int xrandr12_init_modes(void) { unsigned int only_one_resolution = 1, mode_count; @@ -540,8 +555,7 @@ static int xrandr12_init_modes(void)
if (mode->id == output_info->modes[i]) { - unsigned int dots = mode->hTotal * mode->vTotal; - unsigned int refresh = dots ? (mode->dotClock + dots / 2) / dots : 0; + unsigned int refresh = get_frequency( mode );
TRACE("Adding mode %#lx: %ux%u@%u.\n", mode->id, mode->width, mode->height, refresh); X11DRV_Settings_AddOneMode( mode->width, mode->height, 0, refresh );