View Full Version : Float texture
06-10-2005, 01:56 AM
What's the analogous of GL_TEXTURE_RECTANGLE_NV on Ati cards?
on nvidia cards i buil empty texture in this way:
0); On Ati cards?
06-10-2005, 03:07 AM
there is an extension called WGL_ATI_render_texture_rectangle. Unfortunately there´s no information anywhere on how to use it :-(
(HUMUS, please enlight us!)
06-10-2005, 03:25 AM
There is ARB_texture_rectangle...
But I don't think it is neccesary for using float textures on ATI hardware. AFAIK this limitation only originates from GFFX-class hardware, on ATI and GF6800 you can use float textures on any target...
Java Cool Dude
06-10-2005, 05:37 AM
GL_TEXTURE_RECTANGLE_EXT, it carries the same enumeration than the ARB counter part.
I tried using it on my work machine but it doesn't seem to work quite well :(
06-10-2005, 06:45 AM
on ati hw simply use GL_TEXTURE_2D or whatever target u need :)
06-10-2005, 03:27 PM
Yes, that's recommended. We support ARB_texture_rectangle as well, but it's better to use the GL2.0 interface.
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