On Mon, 2002-12-23 at 01:18, Geert Uytterhoeven wrote:
> That's because originally there was no fix.line_length field, and the line
> length was derived from var.xres_virtual and var.bits_per_pixel.
>
> With some hardware, the line length must be a multiple of 32 or 64 bits, and we
> needed a way to specify that, so fix.line_length was introduced. If it was
> zero, user code should fallback to the old behavior.
And with some cards, the line length is constant. Ie. to get to
"X, Y + 1" for a given "X, Y" you add a constant to your current
frame buffer pointer.
That is what fix.line_length is for right?
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This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:32 EST