[Qt-interest] WEIRED PROBLEM: incomplete opengl framebuffer

[Yifei Li]

oops, I missed one line in the code
----------------------------------------------------
Yifei Li
PhD Candidate in Computer Science
Michigan Tech. University

On Aug 22, 2011, at 11:15 AM, Yifei Li wrote:

> Hi,
> 
> First of all, I recently upgraded to Mac OS X Lion on my 15'' Macbook Pro and I'm using Qt-4.6.2 (built from source). I've never had this problem before with Snow Leopard.
> 
> glCheckFramebufferStatus returns some unknown error after I create a QGLWidget. Please try the following code in your QMainWindow's constructor to see if you have the same problem:
> 
> QGLWidget* glWidget = new QGLWidget;
glWidget->makeCurrent();
> GLuint status = glCheckFrameBufferStatus(GL_FRAMEBUFFER);
> if( status != GL_FRAMEBUFFER_COMPLETE) {
>          switch(status){
>        case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
>            qDebug("incomplete attachment");
>            break;
>        case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
>            qDebug("incomplete missing attachment");
>            break;
>        case GL_FRAMEBUFFER_UNSUPPORTED:
>            qDebug("unsupported");
>            break;
>        default:
>            qDebug("something else");
> 
> }
> 
> Thanks
> 
> Yifei
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