Hmmm… I am an idiot. I was compiling a fragment program as vertex program. Thank you very much. I want to be grateful for your response to you. Thanks again.
Originally posted by PanzerSchreck:
[b]1.) Make sure that you spell it correctly. gl_fragcolor isn’t the same as gl_FragColor.
2.) Where do you try to access that var? I hope it’s in a fragment shader, cause it isn’t (naturally) available in a vertex shader.[/b]