render: Don't add b8g8r8x8 format for depth 24.

The components are required to be packed in the bottom of the pixel, so this
format can't fit in depth 24.

Also fix up a comment for the addition of BGRA formats.
This commit is contained in:
Michel Dänzer 2009-09-23 13:10:05 +02:00
parent 096f21bb7a
commit ce1fe8ddb4

View File

@ -223,9 +223,8 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
b = Ones (pVisual->blueMask);
type = PICT_TYPE_OTHER;
/*
* Current rendering code supports only two direct formats,
* Current rendering code supports only three direct formats,
* fields must be packed together at the bottom of the pixel
* and must be either RGB or BGR
*/
if (pVisual->offsetBlue == 0 &&
pVisual->offsetGreen == b &&
@ -322,8 +321,6 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
PICT_x8r8g8b8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_x8b8g8r8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_b8g8r8x8, pDepth->depth);
}
if (pDepth->depth >= 30)
{