[PATCH] glamor: Set environment variable RADEON_THREAD=0

[Grigori Goronzy]

On 30.07.2014 09:33, Michel Dänzer wrote:
> +			/* This prevents the Gallium radeon winsys from spawning
> +			 * a separate thread for submitting command streams to
> +			 * the kernel. Imrpoves scores of at least gtkperf and
> +			 * x11perf -putimage/-shmput/-getimage/-shmget, probably
> +			 * because glamor causes too many command stream flushes
> +			 * / too much synchronization with pending command
> +			 * streams for the separate thread to pay off.
> +			 */
> +			setenv("RADEON_THREAD", "0", 0);
> +

How much difference does it actually make? This kind of gives me the
impression that the winsys threading may need some optimizations.

Grigori

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