Hello,
I am trying to programmatically create an NSOpenGLView and have it
layer-backed. I would use CAOpenGLLayer except that I am using a
subclass of NSOpenGLView and I don't have the time to rewrite it.
Now, for some reason I can not get the NSOpenGLView to show up. If I
use the same subclassed NSOpenGLView in Interface Builder everything
shows up fine and I can communicate with it how I need to, but if I
create it programmatically it simply never shows up.
The weird thing is that I think it is getting created correctly but is
just not becoming visible. The NSOpenGLView plays a QTMovie and even
though it doesn't show up I can still hear the audio from the QTMovie
playing back. Also, I've added a bunch of NSLog's in the subclass and
they all get triggered when I try to communicate with the version that
was created programmatically even though it never shows up.
Here's my code ... what am I doing wrong?
videoLayer = [[CALayer layer] retain];
NSOpenGLPixelFormatAttribute attributes[] = {
NSOpenGLPFANoRecovery,
NSOpenGLPFAColorSize, 24,
NSOpenGLPFAAlphaSize, 8,
NSOpenGLPFADepthSize, 16,
NSOpenGLPFADoubleBuffer,
NSOpenGLPFAAccelerated,
0};
presentationVideoLayer = [[[IWVideoView alloc] initWithFrame:
NSMakeRect(0, 0, frameRect.size.width, frameRect.size.height)
pixelFormat: [[NSOpenGLPixelFormat alloc]
initWithAttributes:attributes]] retain];
[presentationVideoLayer setLayer: videoLayer];
[presentationVideoLayer setWantsLayer: YES];
[[self layer] addSublayer: videoLayer];
[presentationVideoLayer setNeedsDisplay: YES];
[[presentationVideoLayer openGLContext] update];
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