Search found 3 matches

by whizz
Tue Jul 19, 2005 8:43 pm
Forum: PSP Development
Topic: performance cost of sceCtrlReadBufferPositive() ?
Replies: 4
Views: 1969

Thanks for confirming this. Still wondering why, as it does seem that there's a delay comparable to forcing an extra 1/60th of a second wait (or waiting for next retrace). Also slightly paranoid now that even the single call could take half a frame... but don't have profiling code in place to test t...
by whizz
Tue Jul 19, 2005 7:24 pm
Forum: PSP Development
Topic: performance cost of sceCtrlReadBufferPositive() ?
Replies: 4
Views: 1969

performance cost of sceCtrlReadBufferPositive() ?

Hi guys, possibly a newbie question - but is there a severe performance cost to a call to sceCtrlReadBufferPositive(&pad, 1); or to repeat calls to it? I had an app going easily 60 fps but an extra call to this function slowed it down to 30 fps - even if I disabled a lot of other stuff. It's alm...
by whizz
Tue Jul 19, 2005 1:54 am
Forum: PSP Development
Topic: bizarre wavegen audio sample thread issue
Replies: 0
Views: 804

bizarre wavegen audio sample thread issue

Hi guys, as a newbie to the PSP development scene, I started out learning from the samples. I was trying to add audio into my own app but run into a bizarre threading issue that was stumping me. To debug this I started tracing my steps back until all I had was the plain wavegen audio sample from the...