The default sizes for specify_width, specify_height and specify_depth are 0 so that they do not apply when they are not set.  For evaluating a texture a 2-D texture really has no depth but that is still a single pixel so we tweak the depth to be 1.
The default sizes for specify_width, specify_height and specify_depth are 0 so
that they do not apply when they are not set.  For evaluating a texture a 2-D
texture really has no depth but that is still a single pixel so we tweak the
depth to be 1.


cmiss/cmgui,cmiss/cmgui