From c49d88f6b2d1187b34839192b2f213825195ca19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Mon, 15 Mar 2021 09:58:19 -0400
Subject: [PATCH] mesa: fix parameter reservation size

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9360>
---
 src/mesa/program/prog_parameter.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/program/prog_parameter.c b/src/mesa/program/prog_parameter.c
index d78d9be3da2..7af2ace2037 100644
--- a/src/mesa/program/prog_parameter.c
+++ b/src/mesa/program/prog_parameter.c
@@ -283,7 +283,8 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
    else if (_mesa_gl_datatype_is_64bit(datatype))
       oldValNum = align(oldValNum, 2); /* pad start to 64-bit */
 
-   _mesa_reserve_parameter_storage(paramList, 1, DIV_ROUND_UP(padded_size, 4));
+   unsigned elements = (oldValNum - paramList->NumParameterValues) + padded_size;
+   _mesa_reserve_parameter_storage(paramList, 1, DIV_ROUND_UP(elements, 4));
 
    if (!paramList->Parameters ||
        !paramList->ParameterValues) {