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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
1 changed files with 1 additions and 4 deletions
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5
render/picture.c
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@ -223,9 +223,8 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
b = Ones (pVisual->blueMask); b = Ones (pVisual->blueMask);
type = PICT_TYPE_OTHER; 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 * fields must be packed together at the bottom of the pixel
* and must be either RGB or BGR
*/ */
if (pVisual->offsetBlue == 0 && if (pVisual->offsetBlue == 0 &&
pVisual->offsetGreen == b && pVisual->offsetGreen == b &&
@ -322,8 +321,6 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
PICT_x8r8g8b8, pDepth->depth); PICT_x8r8g8b8, pDepth->depth);
nformats = addFormat (formats, nformats, nformats = addFormat (formats, nformats,
PICT_x8b8g8r8, pDepth->depth); PICT_x8b8g8r8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_b8g8r8x8, pDepth->depth);
} }
if (pDepth->depth >= 30) if (pDepth->depth >= 30)
{ {