[Bug 111213] VA-API nouveau SIGSEGV and asserts - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 111213] VA-API nouveau SIGSEGV and asserts
Date: Mon, 29 Jul 2019 23:00:08 +0000	[thread overview]
Message-ID: <bug-111213-8800-e35998L9xt@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-111213-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=111213

--- Comment #12 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to KJ Liew from comment #11)
> $ LIBVA_DRIVER_NAME=nouveau chromium
> nve4_set_surface_info:969 - unsupported surface format, try
> is_format_supported() !

This means someone's trying to use an image format (i.e.
ARB_shader_image_load_store image) that's not supported by the backend. Guess
it works OK on AMD, so they just use it... sigh. Looks like it just takes the
fb's format and sticks it into an image. That's definitely not generically OK.

Maybe the compute pipeline just needs to check if it's running on radeonsi,
since it's not a generic gallium API usage.

Just noticed that mpv supports VA-API -- I'll try using that to test it later.

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