@vs vs
in vec3 a_pos;
in vec2 a_tex_coords;

out vec2 tex_coords;

uniform vs_p {
uniform mat4 vp;
uniform mat4 model;
};

void main() {
  gl_Position = vp * vec4(vec3(model * vec4(a_pos,1.0)), 1.0);  
  tex_coords = a_tex_coords;
}
@end

@fs fs
in vec2 tex_coords;
out vec4 color;

uniform texture2D diffuse;
uniform sampler smp;

void main() {
  color = texture(sampler2D(diffuse,smp),tex_coords);
}
@end

@program unlit vs fs