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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"
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