graphics: pbr: Add placeholder inputs/outputs to shaders.

1 files changed, 2 insertions, 0 deletions

diff --git a/data/shaders/pbr-frag.glsl b/data/shaders/pbr-frag.glsl
index e2841fe..5998474 100644
--- a/data/shaders/pbr-frag.glsl
+++ b/data/shaders/pbr-frag.glsl
@@ -32,12 +32,14 @@ struct Light {
 #ifdef GLSL120
 attribute vec3 fragWorldPos;
 attribute vec3 fragNormal;
+attribute vec3 fragTangent;
 attribute vec2 fragTexcoord0;
 attribute vec2 fragTexcoord1;
 attribute vec4 fragColor0;
 #else
 in vec3 fragWorldPos;
 in vec3 fragNormal;
+in vec3 fragTangent;
 in vec2 fragTexcoord0;
 in vec2 fragTexcoord1;
 in vec4 fragColor0;