#version 330 core

uniform mat4 u_mvp;

layout (location = 0) in vec3 position;
layout (location = 1) in vec3 normal;
layout (location = 2) in vec2 texcoord;

out vec3 v_position;
out vec3 v_normal;
out vec3 v_proj_normal;
out vec2 v_texcoord;

out float v_id;

void main()
{
	v_position = position;
	v_normal = normal;
	v_proj_normal = vec4(u_mvp * vec4(normal, 1.0)).xyz;
	v_texcoord = texcoord;

	v_id = gl_VertexID;

	gl_Position = u_mvp * vec4(v_position, 1.0);
}