Fix handling of normals that approach 1

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index dee8bcbc58..2d6f42679f 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -1700,7 +1700,7 @@ FRAGMENT_SHADER_CODE
 #if defined(ENABLE_NORMALMAP)
 
 	normalmap.xy=normalmap.xy*2.0-1.0;
-	normalmap.z=sqrt(1.0-dot(normalmap.xy,normalmap.xy)); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
+	normalmap.z=sqrt(max(0.0, 1.0-dot(normalmap.xy,normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc.
 
 	normal = normalize( mix(normal_interp,tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z,normaldepth) ) * side;