From e25ceb579efb895def2df2f97af16ecfe34c42f4 Mon Sep 17 00:00:00 2001
From: Micah Acinapura <micahnyc@gmail.com>
Date: Thu, 22 Aug 2019 13:44:46 -0400
Subject: [PATCH] fix for gpus that dont support const return values

---
 shaders/hdr.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shaders/hdr.glsl b/shaders/hdr.glsl
index c9909b03ea..2fca4496c5 100644
--- a/shaders/hdr.glsl
+++ b/shaders/hdr.glsl
@@ -41,7 +41,7 @@ const mat3 XYZ2RGB = mat3(
 
 // Gamma correction for linear RGB to sRGB
 // See wiki: https://en.wikipedia.org/wiki/SRGB#The_sRGB_transfer_function_.28.22gamma.22.29
-const float gammaF(const float u) {
+float gammaF(const float u) {
     if (u < 0.0031308) {
         return 12.92 * u;
     } else {