From 9c14a87839d2937e07f69418285bbfc3c5b3e629 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Mon, 4 May 2020 21:52:09 -0400
Subject: [PATCH] glsl: treat lowp as mediump when lowering builtins

This seems to have been missed.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5002>
---
 src/compiler/glsl/lower_precision.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/compiler/glsl/lower_precision.cpp b/src/compiler/glsl/lower_precision.cpp
index 332cd50cc7a..9ba1efafa01 100644
--- a/src/compiler/glsl/lower_precision.cpp
+++ b/src/compiler/glsl/lower_precision.cpp
@@ -646,8 +646,10 @@ find_precision_visitor::visit_enter(ir_call *ir)
 
    if (!ir->callee->is_builtin() ||
        ir->return_deref == NULL ||
-       ir->return_deref->variable_referenced()->data.precision !=
-       GLSL_PRECISION_MEDIUM)
+       (ir->return_deref->variable_referenced()->data.precision !=
+        GLSL_PRECISION_MEDIUM &&
+        ir->return_deref->variable_referenced()->data.precision !=
+        GLSL_PRECISION_LOW))
       return visit_continue;
 
    ir->callee = map_builtin(ir->callee);
-- 
2.30.2