On Sat, Sep 8, 2018 at 6:02 PM, Marek Olšák <mar...@gmail.com> wrote:
> From: Marek Olšák <marek.ol...@amd.com>
>
> Windows doesn't have thrd_current.
> ---
> src/gallium/auxiliary/util/u_helpers.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/src/gallium/auxiliary/util/u_helpers.c
> b/src/gallium/auxiliary/util/u_helpers.c
> index f773360..8095242 100644
> --- a/src/gallium/auxiliary/util/u_helpers.c
> +++ b/src/gallium/auxiliary/util/u_helpers.c
> @@ -127,20 +127,21 @@ util_upload_index_buffer(struct pipe_context *pipe,
> * The function pins the current thread and driver threads to a group of
> * CPU cores that share the same L3 cache. This is needed for good multi-
> * threading performance on AMD Zen CPUs.
> *
> * \param upper_thread thread in the state tracker that also needs to be
> * pinned.
> */
> void
> util_context_thread_changed(struct pipe_context *ctx, thrd_t *upper_thread)
> {
> +#ifdef HAVE_PTHREAD
> thrd_t current = thrd_current();
> int cache = util_get_L3_for_pinned_thread(current,
> util_cpu_caps.cores_per_L3);
>
> /* If the main thread is not pinned, choose the L3 cache. */
> if (cache == -1) {
> unsigned num_caches = util_cpu_caps.nr_cpus /
> util_cpu_caps.cores_per_L3;
> static unsigned last_cache;
>
> @@ -151,20 +152,21 @@ util_context_thread_changed(struct pipe_context *ctx,
> thrd_t *upper_thread)
>
> /* Tell the driver to pin its threads to the same L3 cache. */
> if (ctx->set_context_param) {
> ctx->set_context_param(ctx, PIPE_CONTEXT_PARAM_PIN_THREADS_TO_L3_CACHE,
> cache);
> }
>
> /* Do the same for the upper level thread if there is any (e.g. glthread)
> */
> if (upper_thread)
> util_pin_thread_to_L3(*upper_thread, cache,
> util_cpu_caps.cores_per_L3);
> +#endif
> }
>
> /* This is a helper for hardware bring-up. Don't remove. */
> struct pipe_query *
> util_begin_pipestat_query(struct pipe_context *ctx)
> {
> struct pipe_query *q =
> ctx->create_query(ctx, PIPE_QUERY_PIPELINE_STATISTICS, 0);
> if (!q)
> return NULL;
> --
> 2.7.4
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
Tested-by: Vinson Lee <v...@freedesktop.org>
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