[SDL] BUG?: RGBA->screen blit has 1-off error with opaque colors

[Markus Laire]

On 6/6/07, Markus Laire <malaire at gmail.com> wrote:
> The attached program should print "First pixel: 00FFFFFF" but instead
> of that I get "First pixel: 00FEFEFE"
>
> Am I right in thinking that this is a bug in SDL?
>
> OS is Linux (Knoppix 4.0.2)
> SDL version is 1.2.11

Here is even smaller test-case. This program should print
"FFFFFF...FFFFFF" but prints "FEFEFE...FEFEFE" instead.

If the SDL_SetAlpha-call is uncommented, this works as expected, so
the problem seems to be in alpha-blitting.

-- 
Markus Laire
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