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winex11.drv: Fix incorrect frequency for double scan and interlaced modes. 

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>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2020-04-20 16:42:33 +08:00 committed by Alexandre Julliard
parent 562702c69b
commit fb69b6aeb2
1 changed files with 16 additions and 2 deletions
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18
dlls/winex11.drv/xrandr.c
View File

@ -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 );