Added gl_PerVertex outputs

data/shaders/skeletalanimation/mesh.vert

@@ -27,6 +27,11 @@ layout (location = 2) out vec2 outUV;
 layout (location = 3) out vec3 outViewVec;
 layout (location = 4) out vec3 outLightVec;
 
+out gl_PerVertex 
+{
+    vec4 gl_Position;   
+};
+
 void main() 
 {
     mat4 boneTransform = ubo.bones[inBoneIDs[0]] * inBoneWeights[0];

data/shaders/skeletalanimation/texture.vert

@@ -21,6 +21,11 @@ layout (location = 1) out vec3 outNormal;
 layout (location = 2) out vec3 outViewVec;
 layout (location = 3) out vec3 outLightVec;
 
+out gl_PerVertex 
+{
+    vec4 gl_Position;   
+};
+
 void main() 
 {
 	outUV = inUV * 2.0 + ubo.uvOffset;