On Tue, Nov 07, 2000 at 12:52:37PM +0100, Jonathan Gift wrote:
> Hi,
>
> While I realise you can have many different color depths, I remember reading
> (but am not sure) that 32bpp is the Linux default... assuing the card
> supports it.
>
> I just want to check if that's so and what difference that makes with 24
> bit, sice the number of colors is the same?
>
The number of colors is not the same.
With 24bpp you have the color of each pixel represented by a binary number with
24 bits (bit = 0 or 1), then you have 2^24 = 16.777.216 colors.
With 32bpp you have the color of each pixel represented by a binary number with
32 bits, then you have 2^32 = 4.294.967.296 colors.
If you want a given resolution HxV with Nbpp you video card must have at least
(H * V * N) / (1024^2) Kbytes of memory.
Marcelo.
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