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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
// ospray
#include "World.h"
#include "Instance.h"
#include "common/FeatureFlagsEnum.h"
#include "lights/Light.h"
#include "render/pathtracer/PathTracerData.h"
#include "render/scivis/SciVisData.h"
namespace ospray {
// Embree helper functions ///////////////////////////////////////////////////
static void addGeometryInstance(RTCScene &scene,
RTCScene instScene,
Instance *inst,
RTCDevice embreeDevice,
unsigned int id)
{
if (!embreeDevice)
throw std::runtime_error("invalid Embree device");
// Create parent scene if not yet created
if (!scene)
scene = rtcNewScene(embreeDevice);
// Create geometry instance
auto eInst = rtcNewGeometry(embreeDevice, RTC_GEOMETRY_TYPE_INSTANCE);
rtcSetGeometryInstancedScene(eInst, instScene);
rtcAttachGeometryByID(scene, eInst, id);
inst->setEmbreeGeom(scene, id);
rtcReleaseGeometry(eInst);
}
static void freeAndNullifyEmbreeScene(RTCScene &scene)
{
if (scene)
rtcReleaseScene(scene);
scene = nullptr;
}
// World definitions ////////////////////////////////////////////////////////
World::~World()
{
// Release Embree scenes
freeAndNullifyEmbreeScene(getSh()->embreeSceneHandleGeometries);
#ifdef OSPRAY_ENABLE_VOLUMES
freeAndNullifyEmbreeScene(getSh()->embreeSceneHandleVolumes);
#endif
#ifndef OSPRAY_TARGET_SYCL
freeAndNullifyEmbreeScene(getSh()->embreeSceneHandleClippers);
#endif
}
World::World(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device)
{
managedObjectType = OSP_WORLD;
}
std::string World::toString() const
{
return "ospray::World";
}
void World::commit()
{
RTCScene &esGeom = getSh()->embreeSceneHandleGeometries;
#ifdef OSPRAY_ENABLE_VOLUMES
RTCScene &esVol = getSh()->embreeSceneHandleVolumes;
#endif
#ifndef OSPRAY_TARGET_SYCL
RTCScene &esClip = getSh()->embreeSceneHandleClippers;
#endif
freeAndNullifyEmbreeScene(esGeom);
#ifdef OSPRAY_ENABLE_VOLUMES
freeAndNullifyEmbreeScene(esVol);
#endif
#ifndef OSPRAY_TARGET_SYCL
freeAndNullifyEmbreeScene(esClip);
#endif
scivisData = nullptr;
pathtracerData = nullptr;
instances = getParamDataT<Instance *>("instance");
lights = getParamDataT<Light *>("light");
auto numInstances = instances ? instances->size() : 0;
int sceneFlags = RTC_SCENE_FLAG_NONE;
RTCBuildQuality buildQuality = RTC_BUILD_QUALITY_HIGH;
if (getParam<bool>("dynamicScene", false)) {
sceneFlags |= RTC_SCENE_FLAG_DYNAMIC;
buildQuality = RTC_BUILD_QUALITY_LOW;
}
sceneFlags |=
(getParam<bool>("compactMode", false) ? RTC_SCENE_FLAG_COMPACT : 0);
sceneFlags |=
(getParam<bool>("robustMode", false) ? RTC_SCENE_FLAG_ROBUST : 0);
postStatusMsg(OSP_LOG_DEBUG)
<< "=======================================================\n"
<< "Committing world, which has " << numInstances << " instances and "
<< (lights ? lights->size() : 0) << " lights";
instanceArray = nullptr;
getSh()->numInvertedClippers = 0;
RTCDevice embreeDevice = getISPCDevice().getEmbreeDevice();
if (instances) {
for (auto &&inst : *instances)
#ifndef OSPRAY_TARGET_SYCL
if (inst->group->sceneClippers)
getSh()->numInvertedClippers += inst->group->numInvertedClippers;
#endif
// Create shared buffers for instance pointers
instanceArray = devicert::make_buffer_shared_unique<ispc::Instance *>(
getISPCDevice().getDRTDevice(),
sizeof(ispc::Instance *) * numInstances);
getSh()->instances = instanceArray->sharedPtr();
// Populate shared buffer with instance pointers,
// create Embree instances
featureFlags.reset();
unsigned int id = 0;
for (auto &&inst : *instances) {
getSh()->instances[id] = inst->getSh();
if (inst->group->sceneGeometries) {
addGeometryInstance(
esGeom, inst->group->sceneGeometries, inst, embreeDevice, id);
}
#ifdef OSPRAY_ENABLE_VOLUMES
if (inst->group->sceneVolumes) {
addGeometryInstance(
esVol, inst->group->sceneVolumes, inst, embreeDevice, id);
}
#endif
#ifndef OSPRAY_TARGET_SYCL
if (inst->group->sceneClippers) {
addGeometryInstance(
esClip, inst->group->sceneClippers, inst, embreeDevice, id);
}
#endif
// Gather feature flags from all groups
const FeatureFlags &gff = inst->group->getFeatureFlags();
if (inst->motionTransform.motionBlur)
featureFlags.geometry |= FFG_MOTION_BLUR;
featureFlags |= gff;
id++;
}
}
// Gather light types
if (lights) {
for (auto &&light : *lights) {
featureFlags |= light->getFeatureFlags();
}
}
if (esGeom) {
rtcSetSceneFlags(esGeom, static_cast<RTCSceneFlags>(sceneFlags));
rtcSetSceneBuildQuality(esGeom, buildQuality);
rtcCommitScene(esGeom);
}
#ifdef OSPRAY_ENABLE_VOLUMES
if (esVol) {
rtcSetSceneFlags(esVol, static_cast<RTCSceneFlags>(sceneFlags));
rtcSetSceneBuildQuality(esVol, buildQuality);
rtcCommitScene(esVol);
}
#endif
#ifndef OSPRAY_TARGET_SYCL
if (esClip) {
rtcSetSceneFlags(esClip,
static_cast<RTCSceneFlags>(
sceneFlags | RTC_SCENE_FLAG_FILTER_FUNCTION_IN_ARGUMENTS));
rtcSetSceneBuildQuality(esClip, buildQuality);
rtcCommitScene(esClip);
}
#endif
}
box3f World::getBounds() const
{
box3f sceneBounds;
box4f bounds; // NOTE(jda) - Embree expects box4f, NOT box3f...
if (getSh()->embreeSceneHandleGeometries) {
rtcGetSceneBounds(
getSh()->embreeSceneHandleGeometries, (RTCBounds *)&bounds);
sceneBounds.extend(box3f(vec3f(&bounds.lower[0]), vec3f(&bounds.upper[0])));
}
#ifdef OSPRAY_ENABLE_VOLUMES
if (getSh()->embreeSceneHandleVolumes) {
rtcGetSceneBounds(getSh()->embreeSceneHandleVolumes, (RTCBounds *)&bounds);
sceneBounds.extend(box3f(vec3f(&bounds.lower[0]), vec3f(&bounds.upper[0])));
}
#endif
return sceneBounds;
}
OSPTYPEFOR_DEFINITION(World *);
} // namespace ospray
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