#version 460
#extension GL_EXT_ray_tracing : enable

hitAttributeEXT vec3 attribs;
layout(location = 0) rayPayloadInEXT vec3 hitValue;
layout(set = 0, binding = 0, r32i) uniform iimage3D result;

void main()
{
  float k = 1048576.0f;
  int ndx = -1;
  for (int col = 0; col < 3; col++)
  for (int row = 0; row < 4; row++)
  {
    ndx++;
    ivec3 p = ivec3(gl_LaunchIDEXT.xy, ndx);
    float r = k * gl_WorldToObject3x4EXT[col][row];
    ivec4 c = ivec4(int(r),0,0,1);
    imageStore(result, p, c);
  }
}