Re: [info-performer] floating point textures

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From: Jason Daly (jdaly++at++ist.ucf.edu)
Date: 06/02/2005 15:41:03

Andre Schollmeyer wrote:

>But I still have the question, if GL_TEXTURE_RECTANGLE_ARB is available,
>especially in combination with texture-lookups with GLSL-shader-program. Has
>GL_TEXTURE_RECTANGLE_ARB to be enabled explicitly? Any experiences?
>
>
As far as I know, there is no support for any kind of texture rectangle
(ARB or NV). You can use custom pre- (and post-) draw callbacks on the
appropriate node to set up (and clean up) the texture rectangle state
for the geometry below. I've managed to get this working before. I'm
not sure how it will fit in with GLSL, though I imagine it should just work. 

-- 

--"J"

"I'm a castaway stranded in a desolate land,
 I can see the footprints in the virtual sand."
	--Neil Peart

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