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win32: set ScreenInfo::max_fps

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This commit is contained in:
Wez Furlong 2022-08-20 17:37:14 -07:00
parent 944ea1444e
commit dc62aa5198
1 changed files with 17 additions and 2 deletions
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19
window/src/os/windows/connection.rs
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@ -15,7 +15,9 @@ use winapi::shared::minwindef::*;
use winapi::shared::windef::*;
use winapi::shared::winerror::{ERROR_INSUFFICIENT_BUFFER, ERROR_SUCCESS};
use winapi::um::winbase::INFINITE;
use winapi::um::wingdi::{DISPLAY_DEVICEW, QDC_ONLY_ACTIVE_PATHS, QDC_VIRTUAL_MODE_AWARE};
use winapi::um::wingdi::{
DEVMODEW, DISPLAY_DEVICEW, DM_DISPLAYFREQUENCY, QDC_ONLY_ACTIVE_PATHS, QDC_VIRTUAL_MODE_AWARE,
};
use winapi::um::winnt::HANDLE;
use winapi::um::winuser::*;
use windows::Win32::Devices::Display::{
@ -114,6 +116,19 @@ impl ConnectionOps for Connection {
mi.cbSize = std::mem::size_of::<MONITORINFOEXW>() as u32;
GetMonitorInfoW(mon, &mut mi as *mut MONITORINFOEXW as *mut MONITORINFO);
let mut devmode: DEVMODEW = std::mem::zeroed();
devmode.dmSize = std::mem::size_of::<DEVMODEW>() as u16;
let max_fps =
if EnumDisplaySettingsW(mi.szDevice.as_ptr(), ENUM_CURRENT_SETTINGS, &mut devmode)
!= 0
&& (devmode.dmFields & DM_DISPLAYFREQUENCY) != 0
&& devmode.dmDisplayFrequency > 1
{
Some(devmode.dmDisplayFrequency as usize)
} else {
None
};
let monitor_name = wstr(&mi.szDevice);
let friendly_name = match info.friendly_names.get(&monitor_name) {
Some(name) => name.to_string(),
@ -154,7 +169,7 @@ impl ConnectionOps for Connection {
mi.rcMonitor.bottom as isize - mi.rcMonitor.top as isize,
),
scale: 1.0,
max_fps: None,
max_fps,
};
info.virtual_rect = info.virtual_rect.union(&screen_info.rect);