-layout(location=4) in vec3 binormal;
-layout(location=7) in vec4 texcoord;
-layout(location=8) in vec4 texcoord1;
-layout(location=9) in vec4 texcoord2;
-layout(location=10) in vec4 texcoord3;
+layout(location=4) in ivec4 group;
+layout(location=5) in vec4 weight;
+layout(location=6) in vec4 texcoord;
+layout(location=7) in vec4 texcoord1;
+layout(location=8) in vec4 texcoord2;
+layout(location=9) in vec4 texcoord3;