#version 450

layout(location = 0) in vec2 a_pos;
layout(location = 1) in vec4 a_color;

layout(set = 1, binding = 0) uniform VertexUniforms {
    vec2 u_viewport;
};

layout(location = 0) out vec4 v_color;

void main() {
    vec2 ndc = vec2((a_pos.x / u_viewport.x) * 2.0 - 1.0,
                   1.0 - (a_pos.y / u_viewport.y) * 2.0);
    gl_Position = vec4(ndc, 0.0, 1.0);
    v_color = a_color;
}