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Howto:Shader programming in FlightGear

193 bytes added, 18:37, 26 March 2010
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What is a Shader
= What is a Shader =
A shader is a programmable replacement for parts of the fixed function OpenGL pipeline.
 
Shaders offer:
* Opportunity for Improved Visual Quality
* Algorithm Flexibility
* Performance Benefits
To make it simple, a shader is a program that is loaded on the GPU and called for every vertex or pixel: this gives programmers the possibility to implement techniques and visual effects and execute them faster. In modern games or simulators lots of shaders are used: lights, water, skinning, reflections and much more.
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