From 835524654ed95afd1c5584c398a78ac226d0f27e Mon Sep 17 00:00:00 2001
From: x2048 <codeforsmile@gmail.com>
Date: Sun, 2 Jan 2022 22:45:55 +0100
Subject: [PATCH] Fix shadow mapping when PCF is disabled (#11888)

---
 client/shaders/nodes_shader/opengl_fragment.glsl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl
index b4a605b28..9ee88eb39 100644
--- a/client/shaders/nodes_shader/opengl_fragment.glsl
+++ b/client/shaders/nodes_shader/opengl_fragment.glsl
@@ -185,6 +185,7 @@ float getPenumbraRadius(sampler2D shadowsampler, vec2 smTexCoord, float realDist
 	float baseLength = getBaseLength(smTexCoord);
 	float perspectiveFactor;
 
+	if (PCFBOUND == 0.0) return 0.0;
 	// Return fast if sharp shadows are requested
 	if (SOFTSHADOWRADIUS <= 1.0) {
 		perspectiveFactor = getDeltaPerspectiveFactor(baseLength);