From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 24 Apr 2021 12:12:50 +0000 (+0300)
Subject: Don't apply shadows outside the shadowmap's range
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=e98956208676c77e74462f17932ac530077a0540

Don't apply shadows outside the shadowmap's range
---

diff --git a/shaderlib/shadow.glsl b/shaderlib/shadow.glsl
index f168fe79..f0338b95 100644
--- a/shaderlib/shadow.glsl
+++ b/shaderlib/shadow.glsl
@@ -21,6 +21,8 @@ virtual float get_shadow_factor(int index)
 {
 	if(use_shadow_map)
 	{
+		if(shadow_coord.x<0 || shadow_coord.x>1 || shadow_coord.y<0 || shadow_coord.y>1)
+			return 1.0;
 		float shadow_sample = texture(shadow_map, shadow_coord);
 		return mix(1.0, shadow_sample, shadow_darkness);
 	}