cirno/plan9port
1
0
Fork 0
mirror of https://github.com/9fans/plan9port.git synced 2025-01-12 11:10:07 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

devdraw: cocoa metal screen adds a delayed update (#270)

Browse source 
The immediate display of the screen sometimes miss the update from
the CPU side memory.  No obvious synchronization mechanism is available.
In order to make sure the screen updates properly, we set needsDisplay
again after 16ms delay to ensure a second screen update.
This commit is contained in:
Xiao-Yong 2019-06-19 13:32:57 -05:00 committed by Russ Cox
parent d4e16c838a
commit e995a0c101
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/cmd/devdraw/cocoa-screen-metal.m
View file

@ -212,12 +212,19 @@ threadmain(int argc, char **argv)
+ (void)callsetNeedsDisplayInRect:(NSValue *)v
{
NSRect r;
dispatch_time_t time;
r = [v rectValue];
LOG(@"callsetNeedsDisplayInRect(%g, %g, %g, %g)", r.origin.x, r.origin.y, r.size.width, r.size.height);
r = [win convertRectFromBacking:r];
LOG(@"setNeedsDisplayInRect(%g, %g, %g, %g)", r.origin.x, r.origin.y, r.size.width, r.size.height);
[layer setNeedsDisplayInRect:r];
time = dispatch_time(DISPATCH_TIME_NOW, 16 * NSEC_PER_MSEC);
dispatch_after(time, dispatch_get_main_queue(), ^(void){
[layer setNeedsDisplayInRect:r];
});
[myContent enlargeLastInputRect:r];
}