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macOS: Make sure the desktop's display mode is always in SDL's list of display modes.

This commit is contained in:
Alex Szpakowski 2017-12-29 22:13:40 -04:00
parent 616827ae64
commit 64ec4c3334
1 changed files with 32 additions and 8 deletions
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40
src/video/cocoa/SDL_cocoamodes.m
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@ -340,29 +340,53 @@ void
Cocoa_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
{
SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
CFArrayRef modes = CGDisplayCopyAllDisplayModes(data->display, NULL);
CVDisplayLinkRef link = NULL;
CGDisplayModeRef desktopmoderef;
SDL_DisplayMode desktopmode;
CFArrayRef modes;
CVDisplayLinkCreateWithCGDisplay(data->display, &link);
desktopmoderef = CGDisplayCopyDisplayMode(data->display);
/* CopyAllDisplayModes won't always contain the desktop display mode (if
* NULL is passed in) - for example on a retina 15" MBP, System Preferences
* allows choosing 1920x1200 but it's not in the list. AddDisplayMode makes
* sure there are no duplicates so it's safe to always add the desktop mode
* even in cases where it is in the CopyAllDisplayModes list.
*/
if (desktopmoderef && GetDisplayMode(_this, desktopmoderef, link, &desktopmode)) {
if (!SDL_AddDisplayMode(display, &desktopmode)) {
CGDisplayModeRelease(desktopmoderef);
SDL_free(desktopmode.driverdata);
}
} else {
CGDisplayModeRelease(desktopmoderef);
}
modes = CGDisplayCopyAllDisplayModes(data->display, NULL);
if (modes) {
CVDisplayLinkRef link = NULL;
const CFIndex count = CFArrayGetCount(modes);
CFIndex i;
CVDisplayLinkCreateWithCGDisplay(data->display, &link);
const CFIndex count = CFArrayGetCount(modes);
for (i = 0; i < count; i++) {
CGDisplayModeRef moderef = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
SDL_DisplayMode mode;
if (GetDisplayMode(_this, moderef, link, &mode)) {
CGDisplayModeRetain(moderef);
if (!SDL_AddDisplayMode(display, &mode)) {
if (SDL_AddDisplayMode(display, &mode)) {
CGDisplayModeRetain(moderef);
} else {
SDL_free(mode.driverdata);
}
}
}
CVDisplayLinkRelease(link);
CFRelease(modes);
}
CVDisplayLinkRelease(link);
}
int