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riruilo

[GLSL] What does "product" mean in gl_FrontLightProduct?

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In mathematics, "product" means the same as "multiplied".

The front light product is the light parameters multiplied by the front-material parameters.

So, roughly speaking:
gl_FrontLightProduct == gl_FrontMaterial * gl_LightSource

See:
http://www.opengl.org/registry/doc/GLSLangSpec.1.50.09.pdf

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Quote:
Original post by Hodgman
In mathematics, "product" means the same as "multiplied".

The front light product is the light parameters multiplied by the front-material parameters.

So, roughly speaking:
gl_FrontLightProduct == gl_FrontMaterial * gl_LightSource

See:
http://www.opengl.org/registry/doc/GLSLangSpec.1.50.09.pdf


Ok, thanks a lot. Very helpful.

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