Instanced rendering with vertex arrays

bash output

thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Stage { flag: VERTEX, error: Input { location: 4, error: WrongType } }', C:\Users\Username\.cargo\git\checkouts\wgpu-rs-40ea39809c03c5d8\7b866b1\src\backend\direct.rs:460:9

create_render_pipeline.rs

...
vertex_state: wgpu::VertexStateDescriptor {
    index_format: wgpu::IndexFormat::Uint32,
    vertex_buffers: &[
        wgpu::VertexBufferDescriptor {
            stride: 11 * 4,
            step_mode: wgpu::InputStepMode::Vertex,
            // 0: vec3 position
            // 1: vec3 normal
            // 2: vec3 tangent
            // 3: vec2 texture coordinates
            attributes: &vertex_attr_array![0 => Float3, 1 => Float3, 2 => Float3, 3 => Float2],
        },
        wgpu::VertexBufferDescriptor {
            stride: 16 * 4,
            step_mode: wgpu::InputStepMode::Instance,
            // 4: mat4 MVP matrix
            attributes: &vertex_attr_array![4 => Float4, 5 => Float4, 6 => Float4, 7 => Float4],
        }
    ],
},
...

shader.vert

#version 450

layout(location=0) in vec3 a_position;
layout(location=1) in vec3 a_normal;
layout(location=2) in vec3 a_tangent;
layout(location=3) in vec2 a_tex_coord;
layout(location=4) in mat4 a_mvp;

layout(location=0) out vec2 v_tex_coord;

layout(set=0, binding=0)
uniform Uniforms {
    float global_light_intensity;
};

void main() {
    v_tex_coord = a_tex_coord;
    gl_Position = a_mvp * vec4(a_position, 1.0);
}