Function device_init

tutorials/user_geometry/user_geometry_device.cpp:665–736

/* called by the C++ code for initialization */
extern "C" void device_init (char* cfg)
{
  instanceIntersectFuncPtr = GET_FUNCTION_POINTER(instanceIntersectFunc);
  instanceOccludedFuncPtr  = GET_FUNCTION_POINTER(instanceOccludedFunc );
  sphereIntersectFuncPtr = GET_FUNCTION_POINTER(sphereIntersectFunc);
  sphereOccludedFuncPtr  = GET_FUNCTION_POINTER(sphereOccludedFunc );
  sphereFilterFuncPtr    = GET_FUNCTION_POINTER(sphereFilterFunction);
  
  /* create scene */
  TutorialData_Constructor(&data);
  g_scene = data.g_scene = rtcNewScene(g_device);

  /* create scene with 4 analytical spheres */
  data.g_scene0 = rtcNewScene(g_device);
  rtcSetSceneBuildQuality(data.g_scene0,RTC_BUILD_QUALITY_LOW);
  data.g_spheres = createAnalyticalSpheres(data.g_scene0,4);
  data.g_spheres[0].p = Vec3fa( 0, 0,+1); data.g_spheres[0].r = 0.5f;
  data.g_spheres[1].p = Vec3fa(+1, 0, 0); data.g_spheres[1].r = 0.5f;
  data.g_spheres[2].p = Vec3fa( 0, 0,-1); data.g_spheres[2].r = 0.5f;
  data.g_spheres[3].p = Vec3fa(-1, 0, 0); data.g_spheres[3].r = 0.5f;
  rtcCommitScene(data.g_scene0);

  /* create scene with 4 triangulated spheres */
  data.g_scene1 = rtcNewScene(g_device);
  createTriangulatedSphere(data.g_scene1,Vec3fa( 0, 0,+1),0.5f);
  createTriangulatedSphere(data.g_scene1,Vec3fa(+1, 0, 0),0.5f);
  createTriangulatedSphere(data.g_scene1,Vec3fa( 0, 0,-1),0.5f);
  createTriangulatedSphere(data.g_scene1,Vec3fa(-1, 0, 0),0.5f);
  rtcCommitScene(data.g_scene1);

  /* create scene with 2 triangulated and 2 analytical spheres */
  data.g_scene2 = rtcNewScene(g_device);
  createTriangulatedSphere(data.g_scene2,Vec3fa( 0, 0,+1),0.5f);
  data.g_sphere0 = createAnalyticalSphere  (data.g_scene2,Vec3fa(+1, 0, 0),0.5f);
  createTriangulatedSphere(data.g_scene2,Vec3fa( 0, 0,-1),0.5f);
  data.g_sphere1 = createAnalyticalSphere  (data.g_scene2,Vec3fa(-1, 0, 0),0.5f);
  rtcCommitScene(data.g_scene2);

  /* instantiate geometry */
  data.g_instance[0] = createInstance(data.g_scene,data.g_scene0,0,Vec3fa(-2,-2,-2),Vec3fa(+2,+2,+2));
  data.g_instance[1] = createInstance(data.g_scene,data.g_scene1,1,Vec3fa(-2,-2,-2),Vec3fa(+2,+2,+2));
  data.g_instance[2] = createInstance(data.g_scene,data.g_scene2,2,Vec3fa(-2,-2,-2),Vec3fa(+2,+2,+2));
  data.g_instance[3] = createInstance(data.g_scene,data.g_scene2,3,Vec3fa(-2,-2,-2),Vec3fa(+2,+2,+2));
  createGroundPlane(data.g_scene);
  rtcCommitScene(data.g_scene);

  /* set all colors */
  data.colors[4*0+0] = Vec3fa(0.25f, 0.00f, 0.00f);
  data.colors[4*0+1] = Vec3fa(0.50f, 0.00f, 0.00f);
  data.colors[4*0+2] = Vec3fa(0.75f, 0.00f, 0.00f);
  data.colors[4*0+3] = Vec3fa(1.00f, 0.00f, 0.00f);

  data.colors[4*1+0] = Vec3fa(0.00f, 0.25f, 0.00f);
  data.colors[4*1+1] = Vec3fa(0.00f, 0.50f, 0.00f);
  data.colors[4*1+2] = Vec3fa(0.00f, 0.75f, 0.00f);
  data.colors[4*1+3] = Vec3fa(0.00f, 1.00f, 0.00f);

  data.colors[4*2+0] = Vec3fa(0.00f, 0.00f, 0.25f);