struct Material
{
	float *refractive_index;
	float *absorption_length;
	float *scattering_length;
};

struct Surface
{
	float *absorption;
	float *reflection_diffuse;
	float *reflection_specular;
};

__device__ struct Material materials[100];
__device__ struct Surface surfaces[100];

extern "C"
{

__global__ void set_material(int material_index, float *refractive_index, float *absorption_length, float *scattering_length)
{
	materials[material_index].refractive_index = refractive_index;
	materials[material_index].absorption_length = absorption_length;
	materials[material_index].scattering_length = scattering_length;
}

__global__ void set_surface(int surface_index, float *absorption, float *reflection_diffuse, float *reflection_specular)
{
	surfaces[surface_index].absorption = absorption;
	surfaces[surface_index].reflection_diffuse = reflection_diffuse;
	surfaces[surface_index].reflection_specular = reflection_specular;
}

} // extern "c"