model-view-based-lighting.vert

#version 300 core

layout(location = 0) in vec3 a_position;
layout(location = 1) in vec3 a_normal;
layout(location = 2) in vec2 a_uv;

layout(location = 0) out vec3 frag_position;
layout(location = 1) out vec3 frag_normal;
layout(location = 2) out vec2 frag_uv;

uniform mat4 u_model_view;
uniform mat4 u_projection;
uniform mat3 u_normal_matrix;

void main() {
    vec4 position = u_model_view * vec4(a_position, 1.0);

    gl_Position   = u_projection * position;
    frag_position = position.xyz;
    frag_normal   = u_normal_matrix * a_normal;
    frag_uv       = a_uv;
}