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a computer program that runs on graphics hardware and provides a high degree of control over how scenes are rendered
1
vote
Shading Languages vs Materials in 3D editors
Shaders let you do much more than just materials.
With vertex shaders you can modify geometry. … With geometry shaders, hull shaders and domain shaders you can effectively define new primitive types (classically, patches)
With pixel shaders the options are nearly endless, you can define an entire …
2
votes
Accepted
Casting a shadow over a whole scene with GLSL in 2D?
the lazy, easy solution is to not use shaders at all - draw everything twice, a first pass with flat colour offset down and to the left/right - this is the drop shadow, then render everything normally …