CG and antialiasing
Hello!
I've came across the following issue - I am doing a simple per fragment lighting of a mesh using CG shaders. Unfortunately, the result appears to be pretty jagged. What I wanted to do was to turn on GL blending and use antialiasing. But hey! It won't for me since I process all fragments in a shader. At least that's how it is when I tried it. So, my question actually changes to - how can I use blending (thus, GL antialiasing) together with fragment shaders?
I know that this question might be lame but I've just started playing around with CG.
Thanks in advance!
Alpha blending is completely separate from fragment shaders, so you use it just like you would if you were using the fixed-function fragment stage.
Quote:Original post by Kalidor
Alpha blending is completely separate from fragment shaders, so you use it just like you would if you were using the fixed-function fragment stage.
Obviously. I found out that I messed something up when using GL's blending functions. :)
Anyway, from what I experienced yesterday, my problem still remains unsolved. Does GL_LINE_SMOOTH work when using fragment shaders? I can see no difference between scenes without and with blending and GL_LINE_SMOOTH enabled. Where does antialiasing takes place? After fragment processing or somewhere else?
Thanks
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