[Bf-committers] 8192 image size overflow

[John K. Walton]

On Thu, 2 Oct 2003, Alexander Ewering wrote:

> 
> On Fri, 3 Oct 2003, Kester Maddock wrote:
> 
> > It seems to work here... (Linux)  I'm not getting the warnings about 
> > memory corruption anymore.
> > 
> > I'm using the 10k James Hastings Trew Earth textures (from the Blender 
> > Texture CD) which are 10800 x 5400.
> 
> How can you use such a large image with hardware texture
> mapping? According to my calculator, the image you mentioned
> above is already 222 MB (if it's 4 bytes per pixel)... do
> you have such a lot of texture RAM?

O2 and similar sgi UMA architectures use main memory
for texture mapping. so, yes you can use huge textures.
 
> I have a nice image of the earth at 1 km per pixel resolution
> here (43200 x 21600), 2.6 Gigs or so... but I doubt there's
> any consumer graphics card that has this amount of RAM :)
> 
> 
> | alexander ewering           instinctive new media
> | ae@instinctive.de       http://www.instinctive.de 
> |
> | fon: +49-2393-220558         fax: +49-2393-220559
> 
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