ofmarkerartist_setmarkershader Subroutine

public subroutine ofmarkerartist_setmarkershader(fname)

Set GLSL fragment shader used to draw marker, overriding any existing image.

If an empty string is given, then use default circular point.

This applies to the current active MarkerArtist.

Arguments

Type	Intent	Optional	Attributes		Name
character(len=*),	intent(in)			::	fname	File containing the shader source.