geometry.h

#pragma once
#include "linear_algebra.h"

// padding with dummy variables are required for memory alignment
// float3 is considered as float4 by OpenCL
// alignment can also be enforced by using __attribute__ ((aligned (16)));
// see https://www.khronos.org/registry/cl/sdk/1.0/docs/man/xhtml/attributes-variables.html

struct Sphere
{
	float radius;
    int dummy1;
    int dummy2;
    int dummy3;
	Vector3Df position;
	Vector3Df color;
	Vector3Df emission;
};