From 67c2c45964592813d047d51450aed3d58fa0fbe4 Mon Sep 17 00:00:00 2001
From: jpark37 <jpark37@users.noreply.github.com>
Date: Tue, 4 May 2021 11:40:29 -0700
Subject: [PATCH] obs-filters: Fix shader for LUT on OpenGL

---
 plugins/obs-filters/data/color_grade_filter.effect | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/obs-filters/data/color_grade_filter.effect b/plugins/obs-filters/data/color_grade_filter.effect
index 2cb5fd5b0..3761397a2 100644
--- a/plugins/obs-filters/data/color_grade_filter.effect
+++ b/plugins/obs-filters/data/color_grade_filter.effect
@@ -86,7 +86,7 @@ float4 LUT1D(VertDataOut v_in) : TARGET
 float4 LUT3D(VertDataOut v_in) : TARGET
 {
 	float4 textureColor = image.Sample(textureSampler, v_in.uv);
-	textureColor.rgb = max(0.0, textureColor.rgb / textureColor.a);
+	textureColor.rgb = max(float3(0.0, 0.0, 0.0), textureColor.rgb / textureColor.a);
 	textureColor.rgb = srgb_linear_to_nonlinear(textureColor.rgb);
 	float r = textureColor.r;
 	float g = textureColor.g;