| 368 | |
| 369 | /* called by the C++ code to render */ |
| 370 | extern "C" void device_render (int* pixels, |
| 371 | const unsigned int width, |
| 372 | const unsigned int height, |
| 373 | const float time, |
| 374 | const ISPCCamera& camera) |
| 375 | { |
| 376 | bool camera_changed = g_changed; g_changed = false; |
| 377 | |
| 378 | /* create scene */ |
| 379 | if (data.scene == nullptr) { |
| 380 | g_scene = data.scene = convertScene(g_ispc_scene); |
| 381 | if (data.subdiv_mode) updateEdgeLevels(g_ispc_scene, camera.xfm.p); |
| 382 | rtcCommitScene (data.scene); |
| 383 | data.traversable = rtcGetSceneTraversable(data.scene); |
| 384 | old_p = camera.xfm.p; |
| 385 | } |
| 386 | |
| 387 | else |
| 388 | { |
| 389 | /* check if camera changed */ |
| 390 | if (ne(camera.xfm.p,old_p)) { |
| 391 | camera_changed = true; |
| 392 | old_p = camera.xfm.p; |
| 393 | } |
| 394 | |
| 395 | /* update edge levels if camera changed */ |
| 396 | if (camera_changed && data.subdiv_mode) { |
| 397 | updateEdgeLevels(g_ispc_scene,camera.xfm.p); |
| 398 | rtcCommitScene (data.scene); |
| 399 | data.traversable = rtcGetSceneTraversable(data.scene); |
| 400 | } |
| 401 | |
| 402 | if (g_animation_mode) |
| 403 | UpdateScene(g_ispc_scene, time); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | /* called by the C++ code for cleanup */ |
| 408 | extern "C" void device_cleanup () |
nothing calls this directly
no test coverage detected