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GL_EXT_shadow_funcs

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Why isn''t this extension supported on ANY ATI card?! It is even supported on the GeForce 3!!
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quote:
Original post by _the_phantom_
because as yet ATI havent gotten around to making an implimentation for their cards


Why haven''t they? This is strange as nVidia has this implimented since GeForce 3.. Never mind, pixel shaders/fragement programs should be more useful/faster any way, right?



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quote:
Original post by CPPMaster Poppet
Why haven''t they? This is strange as nVidia has this implimented since GeForce 3.. Never mind, pixel shaders/fragement programs should be more useful/faster any way, right?

ATI has only had support for ARB_shadow (or SGIS_shadow) since the Radeon 9700 came out. With ATI cards, the extension is only available on the Radeon 9500 and up. Previous cards did not support it. The Geforce 3 came out approximately a year and a half before the Radeon 9700.

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