Solved How properly initialize QOpenGLWidget when moving project from opengl to Qt?
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Hi,
I have program where I initialize OpenGL:void initFunc() { glutInit(&m_argc, m_argv); //(1) glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | GLUT_DOUBLE); // (2) glutInitWindowSize(m_width, m_height); //(3) //and so on... }
I know that first(1) and third(3) line I can omit. I use Qt for this. But what with second line (2). If there is some corresponding function to that or I should also skip it.
I know that I can enable for example depth_test by using glEnable(GL_DEPTH_TEST); But if it will be enough? What with other properties like rgb or double?
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Hi,
QSufaceFormat is what you are looking for
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So I can change second line to:
QSurfaceFormat format; format.setDepthBufferSize(16); format.setBlueBufferSize(0); format.setGreenBufferSize(0); format.setRedBufferSize(0); this->setFormat(format);
And if I think right, GLUT_DOUBLE I can change to setStereo(true).
If I have to set all this options or it is default in Qt? -
No, setStereo is for stereoscopic view i.e. 3D image one for the left and one for the right eye.
For double buffering, use setSwapBehavior
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Oh, thanks, I search for that