diff options
Diffstat (limited to 'drivers/gles2/shaders/material.glsl')
| -rw-r--r-- | drivers/gles2/shaders/material.glsl | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gles2/shaders/material.glsl b/drivers/gles2/shaders/material.glsl index e68949b056..fd778f3442 100644 --- a/drivers/gles2/shaders/material.glsl +++ b/drivers/gles2/shaders/material.glsl @@ -811,7 +811,11 @@ void main() { float specular_exp=1.0; float glow=0.0; float shade_param=0.0; +#ifdef DISABLE_FRONT_FACING + float side=float(1)*2.0-1.0; +#else float side=float(gl_FrontFacing)*2.0-1.0; +#endif #if defined(ENABLE_TANGENT_INTERP) vec3 binormal = normalize(binormal_interp)*side; vec3 tangent = normalize(tangent_interp)*side; |