#version 450

// Vertex format
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 normal;
layout(location = 2) in vec2 tex_coord;

// Outputs to fragment shader. Trying to pass these as a struct or block in
// vulkano 0.33 causes the shader macro to panic.
layout(location = 0) out vec3 f_normal;
layout(location = 1) out vec3 f_position;
layout(location = 2) out vec2 f_tex_coord;

layout(set = 0, binding = 0) uniform VPL {
    mat4 proj;
} vpl;

layout(set = 1, binding = 0) uniform M {
    mat4 model_view;
} m;

void main() {
    f_tex_coord = tex_coord;

    vec4 pos_vs = m.model_view * vec4(position, 1.0);
    f_position = vec3(pos_vs.xyz);

    vec4 norm_vs = m.model_view * vec4(normal, 0.0);
    f_normal = vec3(norm_vs.xyz);

    gl_Position = vpl.proj * pos_vs;
}