From fae1e99a15d12b82f65c77c90425335fec7562f1 Mon Sep 17 00:00:00 2001
From: "Mao, Marc" <marc.mao@intel.com>
Date: Wed, 18 Aug 2021 07:56:58 +0300
Subject: [PATCH] iris: declare padding for iris_vue_prog_key
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Otherwise with some compilers/environments (Android) padding
may contain garbage and memcmp of the key will fail.

Cc: mesa-stable
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12438>
---
 src/gallium/drivers/iris/iris_context.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/iris/iris_context.h b/src/gallium/drivers/iris/iris_context.h
index d820cb0..60d2cd2 100644
--- a/src/gallium/drivers/iris/iris_context.h
+++ b/src/gallium/drivers/iris/iris_context.h
@@ -202,10 +202,15 @@ struct iris_base_prog_key {
    unsigned program_string_id;
 };
 
+/**
+ * Note, we need to take care to have padding explicitly declared
+ * for key since we will directly memcmp the whole struct.
+ */
 struct iris_vue_prog_key {
    struct iris_base_prog_key base;
 
    unsigned nr_userclip_plane_consts:4;
+   unsigned padding:28;
 };
 
 struct iris_vs_prog_key {
-- 
2.7.4