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Is ATI_text_fragment_shader supported on nVIDEA cards?


I've been working on implementing some shaders the last few days, and much of what I've learned has been from playing around with OpenGL Shader Builder.

On my system, the example projects that ship with Shader Builder all seem to use ATI_text_fragment_shader is the fragment language. The work fine, but I realized all my systems have ATI cards.

I am guessing that ATI_text_fragment_shader is an extension that happens to have been defined by ATI, but which is probably supported on other cards like nVIDEA.

Before I spend too much more time on this, could someone please confirm that fragment shaders written using the ATI_text_fragment_shader extension will also run on nVIDEA cards?

Also are there any popular cards on which ATI_text_fragment_shader would *not* run?

Thanks for any info,

Rick

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