#version 450
//#extension GL_ARB_separate_shader_objects : enable

uniform mat4 mview;
uniform mat4 mmviewproj;

varying vec3 pos;
varying vec3 normal;
varying vec3 ldir;
varying vec2 tex_coord;

const vec3 lpos = vec3(-10.0, 100.0, 10.0);

/* attributes */
layout(location = 1) in vec3 attr_pos;
layout(location = 2) in vec3 attr_normal;
layout(location = 3) in vec2 attr_tex;

void main()
{
	gl_Position = mmviewproj * vec4(attr_pos, 1.0);

	pos = (mview * vec4(attr_pos, 1.0)).xyz;
	ldir = (mview * vec4(lpos, 1.0)).xyz;

	mat3 normal_matrix = mat3(mview);
	normal = normal_matrix * attr_normal;
	tex_coord = attr_tex;
}