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exa: Use PictureMatchFormat for source-only picture format description

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Their pFormat member is NULL, which resulted in a crash in
miRenderColorToPixel.

Fixes: 8171d4c2d6 "render: Store and use all 16bpc of precision for
                     solid pixels (v2.1)"
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Michel Dänzer 2018-06-01 11:57:15 +02:00 • committed by Michel Dänzer
parent 4d5950ce14
commit 3ebef6ab85
1 changed files with 2 additions and 1 deletions
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3
exa/exa_render.c
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@ -291,7 +291,8 @@ exaTryDriverSolidFill(PicturePtr pSrc,
pixel = exaGetPixmapFirstPixel(pSrcPix);
}
else
miRenderColorToPixel(pSrc->pFormat,
miRenderColorToPixel(PictureMatchFormat(pDst->pDrawable->pScreen, 32,
pSrc->format),
&pSrc->pSourcePict->solidFill.fullcolor,
&pixel);