#version 460
#extension GL_EXT_nonuniform_qualifier : require

struct Vertex {
    vec2 pos;
    vec2 uv;
    vec4 color;
    float alpha;
    uint textureID;
};

layout(std430, set = 0, binding = 1) readonly buffer VertexBuffer {
    Vertex vertices[];
} vBuf;

layout(location = 0) out vec2 uv;
layout(location = 1) out vec4 color;
layout(location = 2) out flat uint tex_id;

void main() {

    Vertex v = vBuf.vertices[gl_VertexIndex];

    uv = v.uv;
    color = v.color;
    tex_id = v.textureID;
    gl_Position = vec4(v.pos, 0.0, 1.0);
}