#version 450
#extension GL_EXT_buffer_reference : require

layout(std430, buffer_reference) readonly buffer Ray {
  vec4 a;
  vec4 b;
};

layout(std430, buffer_reference) readonly buffer HexContext {
  mat4 proj;
  mat4 view;
};

layout(push_constant, std430) uniform PushConstant {
  Ray ray;
  HexContext context;
} pc;

void main() {
  if(gl_VertexIndex == 0) {
    gl_Position = pc.context.proj * pc.context.view * pc.ray.a;
  } else {
    gl_Position = pc.context.proj * pc.context.view * pc.ray.b;
  }
}