[PATCH v2 xserver] EXA: Honour op parameter to exaGlyphs even if maskFormat == NULL

Uli Schlachter psychon at znc.in
Sun May 8 11:55:34 UTC 2016

Am 06.05.2016 um 08:47 schrieb Michel Dänzer:
> On 05.05.2016 22:30, Uli Schlachter wrote:
>> Am 01.04.2016 um 11:24 schrieb Michel Dänzer:
>>> From: Michel Dänzer <michel.daenzer at amd.com>
>>> Reported-by: Uli Schlachter <psychon at znc.in>
>>> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94775
>>> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
>> Ping? Does anyone with lots of clue about EXA want to take a look at this?
>> If it helps (since it's a step in the right direction and it becomes harder to
>> get wrong rendering after this patch):
> Assuming "wrong rendering" refers to this paragraph from the referenced
> bug you reported:
>  However, that could produce incorrect rendering with intermediate
>  flushes and some operators that cannot easily split (e.g. Out).
> That would be a client bug, the RENDER specification explicitly defines
> how rendering is performed when mask-format is None.

I'm sorry. You are right. I wrongly remembered that the spec always required to
'Add' the glyphs to a temporary surface. In this case the patch really fixes all
the issues that I can think of. My R-b still stands. :-)

Bruce Schneier can read and understand Perl programs.

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