Re: Alpha and anti-aliasing...

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Marcus Barnes (marcus++at++multigen.com)
Mon, 11 May 1998 12:54:32 -0700

On May 8, 7:35pm, Angus Dorbie wrote:
>Allan Schaffer wrote:
>> You're running into two of the places where Performer's default
>> behavior chooses 'fast' instead of 'high quality': #1 with
>> transparency (when ms is enabled it uses subpixel alpha by default
>> instead of blending) and #2 with texture formats (textures are
>> reduced to 16 bits by default)
>
>Yes but this gives 4 bits or 8 bits of precision (depending
>on RGBA or IA components) which gives 16 or 256 shades of
>alpha, not ~4.

It could also give 1 or 2 bits of alpha ... as defined by the
GL_UNSIGNED_SHORT_5_5_5_1_EXT and GL_UNSIGNED_INT_10_10_10_2_EXT internal
(pixel) formats.

Regards.

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