[Development] Changing GLdouble typedef in src/opengl/qgl.h

[Thiago Macieira]

On Wednesday 03 September 2014 07:54:14 Saikrishna Arcot wrote:
> I should have mentioned that these libraries are using Qt 4, and it would be
> non-trivial to change them to Qt 5 just for compilation purposes.
> 
> I wasn't aware that doubles weren't supported on GLES. Based on that, and
> rereading the forum post here
> (http://forum.openscenegraph.org/viewtopic.php?t=11504[1]), it seems like
> there are two standards:
> 
> 1. Accept doubles, use double for internal processing (if any), and cast it
> to float when calling the appropriate GLES function. 2. Accept and use only
> floats for both internal processing and calling GLES functions.
> 
> I wonder which one might be better to follow.

We can't / won't change QtOpenGL API any more, especially not in Qt 4.

If you need to, please apply a workaround so your application builds. But from 
the point of view of the Qt Project, this problem is solved in Qt 5, with 
QtGui and the new OpenGL classes.
-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center