[GRASS-dev] Re: [GRASS GIS] #104: saving display to tiff or ppm garbled when NVIZ is not top window

[Glynn Clements]

GRASS GIS wrote:

> #104: saving display to tiff or ppm garbled when NVIZ is not top window
> ----------------------+-----------------------------------------------------
>   Reporter:  dylan    |       Owner:  grass-dev at lists.osgeo.org
>       Type:  defect   |      Status:  new                      
>   Priority:  minor    |   Milestone:  6.4.0                    
>  Component:  default  |     Version:  svn-trunk                
> Resolution:           |    Keywords:  NVIZ openGL              
> ----------------------+-----------------------------------------------------
> Comment (by msieczka):
> 
>  Glynn wrote:
> 
>  > Could you debug this?
> 
>  Here's debug output:

Could you repeat this, printing the values of variables as they are
assigned, i.e.:

>  319             vi = glXChooseVisual(dpy, scr, att);
>  (gdb) next
>  320             if (vi == NULL) {

print *vi

>  (gdb) next
>  325             ctx = glXCreateContext(dpy, vi, NULL, GL_FALSE);
>  (gdb) next
>  326             if (ctx == NULL) {

print /x ctx

>  (gdb) next
>  331             pixmap =
>  (gdb) next
>  334             if (!pixmap) {

print /x pixmap

>  (gdb) next
>  338             glxpixmap = glXCreateGLXPixmap(dpy, vi, pixmap);
>  (gdb) next
>  339             if (!glxpixmap) {

print /x glxpixmap

The first one (*vi) is potentially the most significant.

-- 
Glynn Clements <glynn at gclements.plus.com>