From 8af4707525a8987bc2fca85de3fa3f73ca3accbf Mon Sep 17 00:00:00 2001
From: Raph Levien <raph.levien@gmail.com>
Date: Wed, 1 Dec 2021 08:34:22 -0800
Subject: [PATCH] Fix uninitialized variable

---
 piet-gpu/shader/gen/pathseg.spv | Bin 33908 -> 33920 bytes
 piet-gpu/shader/pathseg.comp    |   2 +-
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/piet-gpu/shader/gen/pathseg.spv b/piet-gpu/shader/gen/pathseg.spv
index 67fc57fb3685022e4f00cd7831fc097c86dc4a24..2ac684df95b29911ff6e00f1707287c9abf47852 100644
GIT binary patch
delta 185
zcmey;!PL;nv>}6^ar)*={^^21icxVftEU|UGsAQy28KEY28N#uObj!C>>p728v_f&
zEFgb25Q6|nehyR~MB4)8*?{76f$Zs%AF9c-&IGb%O?K3jo~)p5z&L$!pn5&fqKoSK
jjFKQjKn8<on8qDojgp$uq97;i1Y%?-%-Za!sT~afN&_gE

delta 199
zcmZqZWct#<v>}6^an9yU{^^21icxVftL;w)CWh%u3=BV@^fv|;hM7SAEFcB}ko;_@
zJczah%CiB*=K|StCcjma=bZs$fpmaOm@#>whV*0;bq&TjlVjEEftK7=*JpGD83vLD
s(J%vc0NHbZxPgHcY~W5H8zeRfXt*5%GguBJ26o_NL3QcP8JZH&02N>=%K!iX

diff --git a/piet-gpu/shader/pathseg.comp b/piet-gpu/shader/pathseg.comp
index 8653c16..7b8f3f0 100644
--- a/piet-gpu/shader/pathseg.comp
+++ b/piet-gpu/shader/pathseg.comp
@@ -100,7 +100,7 @@ void main() {
     // Scan the tag monoid
     TagMonoid local_tm = reduce_tag(tag_word);
     sh_tag[gl_LocalInvocationID.x] = local_tm;
-    for (uint i; i < LG_WG_SIZE; i++) {
+    for (uint i = 0; i < LG_WG_SIZE; i++) {
         barrier();
         if (gl_LocalInvocationID.x >= (1u << i)) {
             TagMonoid other = sh_tag[gl_LocalInvocationID.x - (1u << i)];