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abhishekdey

OpenGL Beginning GLSL From Scratch!!

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Hi everyone, This is a very general question about beginning with GLSL. A week back i looked into wot GLSL is made up of. Understood wot are Fragment shader and Vertex shaders. Till now i looked into 5-6 GLSL shaders and learnt that GLSL is totally based upon Formulaes and Theories. I have a very little experience with Graphics technology and Hardly 6 Months hands-on experience with OpenGL. Should i start GLSL at this stage? Any primer that is required for starting GLSL? An online source, link is appreciated! Regs

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GLSL only requires formulas because using GLSL means you will be writing graphics routines on your own rather than letting OpenGL do them for you mostly.

Obviously, you should try to become familiar with OpenGL and Graphics Technology in general as much as you can before you attempt to write your own routines to do the same things from scratch (which is where GLSL comes in).

That said, there is no harm in playing around with GLSL if you feel like you are capable. The best thing to do is start at the following tutorials (the best that I have found on the net so far) and see if you feel like you can dabble:

http://www.clockworkcoders.com/oglsl/tutorials.html
http://www.lighthouse3d.com/opengl/glsl/

In addition, if you decide to learn GLSL, I would strongly recommend starting out with a shader development tool like RenderMonkey. Those tools will let you focus on shaders alone rather than having to worry about writing full-fledge C/OpenGL code just so you can see shaders in action.

I hope that helps.

Kind regards,
Sajid

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Hey Thanx Sajid..i'l try with Rendermonkey. As u said no C/OpenGL thing. That would actually let me focus on the things in GLSL. Also i did go through lighthouse3d tutorials but i was kinda confuse because the programs were a direct jump for me!

Newz Thanx once again!!
Regs

Abhishek Dey

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After I finish the video tutorials on my game called Ghost Toast, I'll start making video tutorials on GLSL.

In the mean time, if you want some help with OpenGL programming, check out the video tutorials that are on my website now.

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