diff options
Diffstat (limited to 'drivers/gles3/shaders/scene.glsl')
-rw-r--r-- | drivers/gles3/shaders/scene.glsl | 2 |
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; |