// Copyright 2022 Simon Boyé
#version 450

layout(binding = 0) uniform Uniforms {
    mat4 scene_from_model;
    mat4 projection_from_scene;
    vec2 screen_size;
    float lod;
} uniforms;

layout(location = 0) in vec3 in_position;
layout(location = 1) in vec3 in_position2;
layout(location = 2) in vec3 in_normal;
layout(location = 3) in vec3 in_color;

layout(location = 0) out vec4 out_position;
layout(location = 1) out vec3 out_normal;
layout(location = 2) out vec3 out_color;

void main() {
    // float lod = clamp(
    //     2.0 * dot(transpose(uniforms.scene_from_model)[0].xyz, in_position) + 0.5,
    //     0.0, 1.0
    // );
    // vec3 position = mix(in_position2, in_position, lod);
    vec3 position = in_position;
    out_position =
        uniforms.projection_from_scene *
        uniforms.scene_from_model *
        vec4(position, 1.0);
    out_normal = in_normal;
    out_color = in_color;

    gl_Position = out_position;
}