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compositor-fbdev: add support for ABGR

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Make fbdev work with some Android downstream kernels, like the
asus-grouper (Google Nexus 7 2012).

Signed-off-by: Oliver Smith <ollieparanoid@bitmessage.ch>
This commit is contained in:
Pablo Castellano 2018-11-28 08:45:46 +01:00 committed by Pekka Paalanen
parent b100668426
commit f0ba93c194
1 changed files with 6 additions and 2 deletions
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8
libweston/compositor-fbdev.c
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@ -234,8 +234,8 @@ calculate_pixman_format(struct fb_var_screeninfo *vinfo,
vinfo->blue.msb_right != 0)
return 0;
/* Work out the format type from the offsets. We only support RGBA and
* ARGB at the moment. */
/* Work out the format type from the offsets. We only support RGBA, ARGB
* and ABGR at the moment. */
type = PIXMAN_TYPE_OTHER;
if ((vinfo->transp.offset >= vinfo->red.offset ||
@ -247,6 +247,10 @@ calculate_pixman_format(struct fb_var_screeninfo *vinfo,
vinfo->green.offset >= vinfo->blue.offset &&
vinfo->blue.offset >= vinfo->transp.offset)
type = PIXMAN_TYPE_RGBA;
else if (vinfo->transp.offset >= vinfo->blue.offset &&
vinfo->blue.offset >= vinfo->green.offset &&
vinfo->green.offset >= vinfo->red.offset)
type = PIXMAN_TYPE_ABGR;
if (type == PIXMAN_TYPE_OTHER)
return 0;