copy red of RGB data into luminance texture [Archive] - OpenGL Discussion and Help Forums

06-11-2002, 05:58 AM

Hi,
is there a way to copy only the red component from an RGB data into a luminance texture (using glTexSubImage)?

Thanks
Kit

06-24-2002, 03:48 AM

Any ideas? Is there a way setting a 'stride' value before copying the data?

Thanks
Kit