Thank you Sam,
Your code looks promising. One question, should the renderView be a simple
NSView, a QCView or an NSOpenGLView?
If not a QCView, should I fire a timer each 1/60 sec in order to render with
renderAtTime into the NSView or OpenGLView?
Best Regards
--
Lorenzo
email: [EMAIL PROTECTED]
>
> From: Sam McDonald <[EMAIL PROTECTED]>
> Date: Thu, 13 Mar 2008 19:23:35 -0500
> To: Lorenzo <[EMAIL PROTECTED]>
> Cc: cocoa-dev@lists.apple.com
> Subject: Re: QCView openGLContext
>
> I have programmed cocoa for less than a year, so if I say something stupid
> please bare with me. Of the programming I have done most of it has been with
> QC apps. From what I remember the openGLContext was added in 10.5 (and made
> me very excited).
>
> In my 10.4 application I created a glcontext, set its view, and rendered to it
> using a QCRenderer. Here is what that looked like, please don't laugh at my
> ugly code, this is some of the first objective-c I wrote:
>
> //Create OpenGL context used to render the QCRenderers and attach it to the
> rendering view
> NSOpenGLPixelFormatAttribute attributes[] = {NSOpenGLPFAAccelerated,
> NSOpenGLPFANoRecovery, NSOpenGLPFADoubleBuffer, NSOpenGLPFADepthSize, 24, 0};
>
> glPixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
> _glContext = [[NSOpenGLContext alloc] initWithFormat:glPixelFormat
> shareContext:nil];
> [_glContext setView:_renderView];
>
> // Create QCRenderers from composition file
> compositionPath = [bundle pathForResource:_compositionName ofType:@"qtz"];
> renderer = [[QCRenderer alloc] initWithOpenGLContext:_glContext
> pixelFormat:glPixelFormat file:compositionPath];
>
>
>
> This will allows you to flush your buffer, but doesn't produce nearly as nice
> code as what the 10.5 stuff allows you to do.
>
> Sam McDonald
> Trimonix
>
>
> On Mar 13, 2008, at 6:53 PM, Lorenzo wrote:
>
>> Hi,
>> I build my app against 10.4 SDK. The compiler says that there are no errors.
>> My app runs on Leopard very well. But on Tiger I get this error all the time
>> and my app won't launch.
>> --
>> [MYQCView openGLContext] : selector not recognized [self = 0x1492fee0]
>> --
>>
>> If I comment this line below
>> [[qcView openGLContext] flushBuffer];
>> my app launches and runs well, but of course I can't see the QCView contents
>> properly. I have seen that this API is available in 10.5 and later. Anyway
>> my compiler doesn't protest when I build my app against 10.4 SDK. This a
>> part, how can I make this work on Tiger too? Any workaround?
>>
>>
>> Best Regards
>> --
>> Lorenzo
>> email: [EMAIL PROTECTED]
>>
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