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Merge pull request #57335 from jordigcs/display-refresh-rate

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Rémi Verschelde
2022-02-04 11:51:07 +01:00
committed by GitHub
parent 85f6151e9d 54dec44dba
commit d235c1bb19
19 changed files with 172 additions and 0 deletions
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60
platform/linuxbsd/display_server_x11.cpp
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@@ -1054,6 +1054,66 @@ int DisplayServerX11::screen_get_dpi(int p_screen) const {
return 96;
}
float DisplayServerX11::screen_get_refresh_rate(int p_screen) const {
_THREAD_SAFE_METHOD_
if (p_screen == SCREEN_OF_MAIN_WINDOW) {
p_screen = window_get_current_screen();
}
//invalid screen?
ERR_FAIL_INDEX_V(p_screen, get_screen_count(), SCREEN_REFRESH_RATE_FALLBACK);
//Use xrandr to get screen refresh rate.
if (xrandr_ext_ok) {
XRRScreenResources *screen_info = XRRGetScreenResources(x11_display, windows[MAIN_WINDOW_ID].x11_window);
if (screen_info) {
RRMode current_mode = 0;
xrr_monitor_info *monitors = nullptr;
if (xrr_get_monitors) {
int count = 0;
monitors = xrr_get_monitors(x11_display, windows[MAIN_WINDOW_ID].x11_window, true, &count);
ERR_FAIL_INDEX_V(p_screen, count, SCREEN_REFRESH_RATE_FALLBACK);
} else {
ERR_PRINT("An error occured while trying to get the screen refresh rate.");
return SCREEN_REFRESH_RATE_FALLBACK;
}
bool found_active_mode = false;
for (int crtc = 0; crtc < screen_info->ncrtc; crtc++) { // Loop through outputs to find which one is currently outputting.
XRRCrtcInfo *monitor_info = XRRGetCrtcInfo(x11_display, screen_info, screen_info->crtcs[crtc]);
if (monitor_info->x != monitors[p_screen].x || monitor_info->y != monitors[p_screen].y) { // If X and Y aren't the same as the monitor we're looking for, this isn't the right monitor. Continue.
continue;
}
if (monitor_info->mode != None) {
current_mode = monitor_info->mode;
found_active_mode = true;
break;
}
}
if (found_active_mode) {
for (int mode = 0; mode < screen_info->nmode; mode++) {
XRRModeInfo m_info = screen_info->modes[mode];
if (m_info.id == current_mode) {
return (float)m_info.dotClock / ((float)m_info.hTotal * (float)m_info.vTotal);
}
}
}
ERR_PRINT("An error occured while trying to get the screen refresh rate."); // We should have returned the refresh rate by now. An error must have occured.
return SCREEN_REFRESH_RATE_FALLBACK;
} else {
ERR_PRINT("An error occured while trying to get the screen refresh rate.");
return SCREEN_REFRESH_RATE_FALLBACK;
}
}
ERR_PRINT("An error occured while trying to get the screen refresh rate.");
return SCREEN_REFRESH_RATE_FALLBACK;
}
bool DisplayServerX11::screen_is_touchscreen(int p_screen) const {
_THREAD_SAFE_METHOD_