Re: Xv with G200: Size limits after upgrade to 4.2

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Re: Xv with G200: Size limits after upgrade to 4.2



On Thu, Oct 10, 2002 at 02:46:50PM +0100, Dr Andrew C Aitchison wrote:

> /xc/programs/Xserver/hw/xfree86/drivers/mga/mga_storm32.c
> has the comment:
>        /* If that gives us less than half the available memory, let's
>         * be greedy and grab some more.  Sorry, I care more about 3D
>         * performance than playing nicely, and you'll get around a full
>         * framebuffer's worth of pixmap cache anyway.
>         */
> Somebody has decided that 3D is more important than Xv, and not provided
> an option to disagree.
> 
> You could use the Option "TexturedVideo", described in
> xc/programs/Xserver/hw/xfree86/Options as:
> This has XvImage support use the texture engine rather than the video
> overlay. This option is only supported by the G200 and G400, and only in
> 16 and 32 bits per pixel. Default: off.
> 
> IIRC using the texture engine is slower than the video overlay, but
> it would use 3D memory, so might help in your particular case.
> 
> Other than that you will have to modify the source of mga_storm32.c
> and compile the driver yourself.

Thank you very much! I'm not in front of that machine at the
moment, but I will try both options.

-- 
Andreas Trottmann <andreas.trottmann@xxxxxxxxxxx>
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