Yesterday, Brian Paul wrote:
>Adam Williams wrote:
>>
>> Using a Radeon 64MB, XFree86 4.1.0, kernel 2.4.5-ac16
>>
>> Currently it looks like the largest texture I can upload is limited to
>> the nearest 2^n pixels below the horizontal resolution of the screen.
>> Is there any way to work around this and get a 2048x2048 texture on a
>> 1600x1200 screen?
>
>Taking a quick look at the driver code, it appears that 1024x1024 is
>the max size we allow. I'm running 1600x1200x32 now and 1Kx1K is
>the limit I'm seeing in my test program.
>
>2Kx2K should be possible though. I'll look into fixing that.
>The code is in xc/lib/GL/mesa/src/drv/radeon/radeon_context.c if
>you want to hack it yourself.
>
>After allocating the front/back/depth buffers we look at how much
>memory is left for texture and use that to determine the max
>texture size.
Does this go away if you set
Option "AGPSize" "128" # or whatever your AGP aperture is set to
in the device section of XF86Config?
>> Another thing is that in 1600x1200 mode, all pixels to the right of
>> x=1355 are getting blanked out. Is this a limitation of the Radeon or
>> the DRI?
>
>I'm not seeing that problem here.
Nor am I.
Regards,
Philip Willoughby
--
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