From dc020db7239c7e96195d0da1ebf39befa42bcafd Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Tue, 6 Oct 2020 16:31:59 -0400
Subject: [PATCH] zink: pre-size descriptor transition hash table

this avoids costly rehashing

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9348>
---
 src/gallium/drivers/zink/zink_draw.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/zink/zink_draw.c b/src/gallium/drivers/zink/zink_draw.c
index cb95ae02623..72689e84b9b 100644
--- a/src/gallium/drivers/zink/zink_draw.c
+++ b/src/gallium/drivers/zink/zink_draw.c
@@ -745,6 +745,7 @@ update_descriptors(struct zink_context *ctx, struct zink_screen *screen, bool is
    struct zink_transition transitions[num_bindings];
    int num_transitions = 0;
    struct set *ht = _mesa_set_create(NULL, transition_hash, transition_equals);
+   _mesa_set_resize(ht, num_bindings);
 
 
    bool need_flush = false;