[Bug 206231] R9 280X low performance with all games

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=206231

--- Comment #45 from Sylvain BERTRAND (sylvain.bertrand at gmail.com) ---
On Fri, Jan 24, 2020 at 09:47:44PM +0000, bugzilla-daemon at bugzilla.kernel.org
wrote:
> In other words, this presumes the shaders submitted for compilation by dirt
> rally engine are different each time the game is run ???

It may be related to the brand new
mesa/src/gallium/auxiliary/util/u_live_shader_cache.c

I don't know the inner details of this (I stay away from anything GL), but it
seems there are some GL shader usages which which will trigger a full
compilation of an already compiled shader.

@alex, maybe that's what you were talking about?

As I said, I may be totally wrong though.

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