#version 330 core layout(location = 0) in vec3 position; layout(location = 1) in vec3 normal; layout(location = 0) out vec3 color; layout(location = 1) out Block { vec4 a; vec2 b; } blk; void main() { gl_Position = vec4(position, 1.0); color = normal; blk.a = vec4(normal, 0.0); blk.b = position.xy; }