Re: Dual-head support

Which way to get those 2560x2048 ?
Don't know what IIRC is.

Thanks.

Roland Scheidegger wrote:
>Daniel Márquez Martínez wrote:
>
>>Ok. I know the GL_MAX_TEXTURE_SIZE is set depending on the card's
>>hardware limits.
>>But what about the dualhead support? One monitor, one desktop. All with
>>DRI enabled.
>>
>Did you mean two monitors?
>
>
>>At the moment it doesn't work at all, or am I wrong ?
>>If so, please tell me how to enable it.
>>
>This works, but there are hw limits for the size of the area which can
>be rendered too. This is 2048x2048 on chips up to rv280, but r300 and up
>should support 2560x2560 at least IIRC, possibly more.
>(It might be possible maybe for the driver on old chips to hack around
>the 2048 limit, I think it would work if the driver would submit the
>rendering commands multiple times, and hack up cliprects, color/depth
>buffer offsets, and viewport matrix while doing so. However, I think
>there would be problems with color tiling (needs to be switched off),
>hyperz (the same), depth buffer reads / writes (probably does not work
>with surface translation etc.))
>
>Roland
>
>

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