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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
// ospray
#include "Group.h"
#include "ISPCDevice.h"
#include "geometry/GeometricModel.h"
#include "lights/Light.h"
#ifdef OSPRAY_ENABLE_VOLUMES
#include "volume/VolumetricModel.h"
#endif
namespace ospray {
// Embree helper functions //////////////////////////////////////////////////
template <class MODEL>
inline void createEmbreeScene(RTCScene &scene,
FeatureFlags &featureFlags,
const DataT<MODEL *> &objects,
const int embreeFlags,
const RTCBuildQuality buildQuality)
{
for (auto &&obj : objects) {
rtcAttachGeometry(scene, obj->embreeGeometryHandle());
featureFlags |= obj->getFeatureFlags();
}
rtcSetSceneFlags(scene, static_cast<RTCSceneFlags>(embreeFlags));
rtcSetSceneBuildQuality(scene, buildQuality);
}
static void freeAndNullifyEmbreeScene(RTCScene &scene)
{
if (scene)
rtcReleaseScene(scene);
scene = nullptr;
}
// Group definitions ////////////////////////////////////////////////////////
Group::Group(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device)
{
managedObjectType = OSP_GROUP;
}
Group::~Group()
{
freeAndNullifyEmbreeScene(sceneGeometries);
#ifdef OSPRAY_ENABLE_VOLUMES
freeAndNullifyEmbreeScene(sceneVolumes);
#endif
freeAndNullifyEmbreeScene(sceneClippers);
getSh()->geometricModels = nullptr;
#ifdef OSPRAY_ENABLE_VOLUMES
getSh()->volumetricModels = nullptr;
#endif
getSh()->clipModels = nullptr;
}
std::string Group::toString() const
{
return "ospray::Group";
}
void Group::commit()
{
geometricModels = getParamDataT<GeometricModel *>("geometry");
#ifdef OSPRAY_ENABLE_VOLUMES
volumetricModels = getParamDataT<VolumetricModel *>("volume");
#endif
clipModels = getParamDataT<GeometricModel *>("clippingGeometry");
lights = getParamDataT<Light *>("light");
size_t numGeometries = geometricModels ? geometricModels->size() : 0;
#ifdef OSPRAY_ENABLE_VOLUMES
size_t numVolumes = volumetricModels ? volumetricModels->size() : 0;
#endif
size_t numClippers = clipModels ? clipModels->size() : 0;
size_t numLights = lights ? lights->size() : 0;
postStatusMsg(OSP_LOG_DEBUG)
<< "=======================================================\n"
<< "Finalizing instance, which has " << numGeometries << " geometries, "
#ifdef OSPRAY_ENABLE_VOLUMES
<< numVolumes << " volumes, "
#endif
<< numClippers << " clipping geometries and " << numLights << " lights";
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);
freeAndNullifyEmbreeScene(sceneGeometries);
#ifdef OSPRAY_ENABLE_VOLUMES
freeAndNullifyEmbreeScene(sceneVolumes);
#endif
freeAndNullifyEmbreeScene(sceneClippers);
geometricModelsArray = nullptr;
#ifdef OSPRAY_ENABLE_VOLUMES
volumetricModelsArray = nullptr;
#endif
clipModelsArray = nullptr;
getSh()->geometricModels = nullptr;
#ifdef OSPRAY_ENABLE_VOLUMES
getSh()->volumetricModels = nullptr;
#endif
getSh()->clipModels = nullptr;
RTCDevice embreeDevice = getISPCDevice().getEmbreeDevice();
if (!embreeDevice) {
throw std::runtime_error("invalid Embree device");
}
featureFlags.reset();
if (numGeometries > 0) {
sceneGeometries = rtcNewScene(embreeDevice);
createEmbreeScene(sceneGeometries,
featureFlags,
*geometricModels,
sceneFlags,
buildQuality);
geometricModelsArray =
devicert::make_buffer_shared_unique<ispc::GeometricModel *>(
getISPCDevice().getDRTDevice(),
createArrayOfSh<ispc::GeometricModel>(*geometricModels));
getSh()->geometricModels = geometricModelsArray->sharedPtr();
rtcCommitScene(sceneGeometries);
}
#ifdef OSPRAY_ENABLE_VOLUMES
if (numVolumes > 0) {
sceneVolumes = rtcNewScene(embreeDevice);
createEmbreeScene(sceneVolumes,
featureFlags,
*volumetricModels,
sceneFlags,
buildQuality);
volumetricModelsArray =
devicert::make_buffer_shared_unique<ispc::VolumetricModel *>(
getISPCDevice().getDRTDevice(),
createArrayOfSh<ispc::VolumetricModel>(*volumetricModels));
getSh()->volumetricModels = volumetricModelsArray->sharedPtr();
rtcCommitScene(sceneVolumes);
}
#endif
if (numClippers > 0) {
sceneClippers = rtcNewScene(embreeDevice);
createEmbreeScene(sceneClippers,
featureFlags,
*clipModels,
sceneFlags | RTC_SCENE_FLAG_FILTER_FUNCTION_IN_ARGUMENTS
| RTC_SCENE_FLAG_ROBUST,
buildQuality);
clipModelsArray =
devicert::make_buffer_shared_unique<ispc::GeometricModel *>(
getISPCDevice().getDRTDevice(),
createArrayOfSh<ispc::GeometricModel>(*clipModels));
getSh()->clipModels = clipModelsArray->sharedPtr();
numInvertedClippers = 0;
for (auto &&obj : *clipModels)
numInvertedClippers += obj->invertedNormals() ? 1 : 0;
rtcCommitScene(sceneClippers);
}
getSh()->numGeometricModels = numGeometries;
#ifdef OSPRAY_ENABLE_VOLUMES
getSh()->numVolumetricModels = numVolumes;
#endif
getSh()->numClipModels = numClippers;
if (numLights > 0) {
// Gather light types
for (auto &&light : *lights)
featureFlags |= light->getFeatureFlags();
// Create empty scene for lights-only group,
// it is needed to have rtcGeometry created in Instance object
// which in turn is needed for motion blur matrices interpolation
if ((numGeometries == 0)
#ifdef OSPRAY_ENABLE_VOLUMES
&& (numVolumes == 0)
#endif
&& (numClippers == 0)) {
sceneGeometries = rtcNewScene(embreeDevice);
rtcCommitScene(sceneGeometries);
}
}
}
box3f Group::getBounds() const
{
box3f sceneBounds;
box4f bounds; // NOTE(jda) - Embree expects box4f, NOT box3f...
if (sceneGeometries) {
rtcGetSceneBounds(sceneGeometries, (RTCBounds *)&bounds);
sceneBounds.extend(box3f(vec3f(&bounds.lower[0]), vec3f(&bounds.upper[0])));
}
#ifdef OSPRAY_ENABLE_VOLUMES
if (sceneVolumes) {
rtcGetSceneBounds(sceneVolumes, (RTCBounds *)&bounds);
sceneBounds.extend(box3f(vec3f(&bounds.lower[0]), vec3f(&bounds.upper[0])));
}
#endif
return sceneBounds;
}
OSPTYPEFOR_DEFINITION(Group *);
} // namespace ospray
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