struct Configuration {
  matrix: mat4x4f,
  matrixWorld: mat4x4f,
};

@group(0) @binding(0) var<uniform> config: Configuration;

struct VertexInput {
  @location(0) position: vec3f,
  @location(1) texture: vec2f,
  @location(2) normal: vec4f,
  @location(3) tangent: vec4f,
};

struct VertexOutput {
  @builtin(position) position: vec4f,
  @location(0) texture: vec2f,
};

@vertex
fn vertexMain(input: VertexInput) -> VertexOutput
{
  let position = vec4f(input.position, 1);

  var output: VertexOutput;
  output.position = config.matrix * position;
  output.texture = input.texture;
  return output;
}

@fragment
fn fragmentMain(input: VertexOutput) -> @location(0) vec4f
{
  return vec4(1, 0, 0, 1.0);
}