[Mesa-dev] [PATCH 2/2] egl: make eglWaitClient behave like glFinish

[Eric Anholt]

Tapani Pälli <tapani.palli at intel.com> writes:

> As defined by the spec:
>    "All rendering calls for the currently bound context, for
>    the current rendering API, made prior to eglWaitClient, are
>    guaranteed to be executed before native rendering calls made
>    after eglWaitClient which affect the read or draw surfaces
>    associated with that context.
>
>    The same result can be achieved using client API-specific calls
>    such as glFinish or vgFinish."
>
> v2: call glFinish() to ensure identical behaviour
>
> Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106337

I don't think the operation they're doing there is "native rendering" as
far as EGL is concerned.  I think the backend flush is the right thing
for us to be calling here, same as glXWaitGL().  If they want
glFinish(), they should be calling glFinish().
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