Yet the docs clearly show the QCRenderer being initialized and then immediately
drawing to the view, which you wouldn't do in a drawRect method, so what gives?
On May 29, 2010, at 23:52:50, vade wrote:
> "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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