"As with other views, you use your OpenGL view’s drawRect: method to draw the
content of your view. When your drawRect: method is invoked, the environment is
automatically configured for drawing using the OpenGL graphics context
associated with your view."
"To use an OpenGL view in your program, you create a subclass of NSOpenGLView
and add that view to your window, either programmatically or using Interface
Builder."
file:///Developer/Documentation/DocSets/com.apple.adc.documentation.AppleSnowLeopard.CoreReference.docset/Contents/Resources/Documents/documentation/Cocoa/Conceptual/CocoaDrawingGuide/QuartzOpenGL/QuartzOpenGL.html#//apple_ref/doc/uid/TP40003290-CH211-BAAECJDJ
On May 30, 2010, at 1:46 AM, Rick Mann wrote:
>
> On May 29, 2010, at 17:17:26, vade wrote:
>
>> Is that code in your NSopenGLView, and are you rendering in drawRect? when
>> is that actually happening? In init? In awake from nib? You probably want to
>> move the rendering to drawRect in your NSOpenGLView, but without more
>> details its hard to know.
>
> No, I do this call once, when I create the renderer (which is after the user
> chooses a couple of files for processing).
>
> This is straight from the QCRenderer reference doc overview. Nothing tells me
> I have to subclass the view and do this in the drawRect method, and I don't
> think that is necessarily the right way to do this (is it?).
>
>>
>> On May 29, 2010, at 8:07 PM, Rick Mann wrote:
>>
>>> I tried my first stab at rendering a simple composition with QCRenderer:
>>>
>>> NSOpenGLContext* glCTX = self.outputFrameView.openGLContext;
>>> if (mQCRenderer == nil)
>>> {
>>> NSOpenGLPixelFormat* pixelFormat =
>>> self.outputFrameView.pixelFormat;
>>> mQCRenderer = [[QCRenderer alloc] initWithOpenGLContext: glCTX
>>> pixelFormat: pixelFormat
>>> file: mCompositionPath];
>>> }
>>>
>>> bool success = [mQCRenderer renderAtTime: 0.0 arguments: nil];
>>> [glCTX flushBuffer];
>>>
>>> But nothing appeared in my GL view. success was true.
>>>
>>> Any suggestions? Thanks!
>>>
>>> --
>>> Rick
>>>
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>>
>
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