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sort and throttle avatar updates in interface

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This commit is contained in:
Andrew Meadows 2017-11-20 10:42:58 -08:00
parent e6c6e5f239
commit d65101c4e9
2 changed files with 37 additions and 32 deletions
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63
interface/src/avatar/AvatarManager.cpp
View file

@ -28,6 +28,7 @@
#include <shared/QtHelpers.h>
#include <AvatarData.h>
#include <PerfStat.h>
#include <PrioritySortUtil.h>
#include <RegisteredMetaTypes.h>
#include <Rig.h>
#include <SettingHandle.h>
@ -142,32 +143,36 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
PerformanceTimer perfTimer("otherAvatars");
auto avatarMap = getHashCopy();
QList<AvatarSharedPointer> avatarList = avatarMap.values();
class SortableAvatar: public PrioritySortUtil::Sortable {
public:
SortableAvatar() = delete;
SortableAvatar(const AvatarSharedPointer& avatar) : _avatar(avatar) {}
glm::vec3 getPosition() const override { return _avatar->getPosition(); }
float getRadius() const override { return std::static_pointer_cast<Avatar>(_avatar)->getBoundingRadius(); }
uint64_t getTimestamp() const override { return std::static_pointer_cast<Avatar>(_avatar)->getLastRenderUpdateTime(); }
const AvatarSharedPointer& getAvatar() const { return _avatar; }
private:
AvatarSharedPointer _avatar;
};
ViewFrustum cameraView;
qApp->copyDisplayViewFrustum(cameraView);
PrioritySortUtil::PriorityQueue<SortableAvatar> sortedAvatars(cameraView);
std::priority_queue<AvatarPriority> sortedAvatars;
AvatarData::sortAvatars(avatarList, cameraView, sortedAvatars,
[](AvatarSharedPointer avatar)->uint64_t{
return std::static_pointer_cast<Avatar>(avatar)->getLastRenderUpdateTime();
},
[](AvatarSharedPointer avatar)->float{
return std::static_pointer_cast<Avatar>(avatar)->getBoundingRadius();
},
[this](AvatarSharedPointer avatar)->bool{
const auto& castedAvatar = std::static_pointer_cast<Avatar>(avatar);
if (castedAvatar == _myAvatar || !castedAvatar->isInitialized()) {
// DO NOT update _myAvatar! Its update has already been done earlier in the main loop.
// DO NOT update or fade out uninitialized Avatars
return true; // ignore it
}
return false;
});
// sort
auto avatarMap = getHashCopy();
AvatarHash::iterator itr = avatarMap.begin();
while (itr != avatarMap.end()) {
const auto& avatar = std::static_pointer_cast<Avatar>(*itr);
// DO NOT update _myAvatar! Its update has already been done earlier in the main loop.
// DO NOT update or fade out uninitialized Avatars
if (avatar != _myAvatar && avatar->isInitialized()) {
sortedAvatars.push(SortableAvatar(avatar));
}
++itr;
}
// process in sorted order
uint64_t startTime = usecTimestampNow();
const uint64_t UPDATE_BUDGET = 2000; // usec
uint64_t updateExpiry = startTime + UPDATE_BUDGET;
@ -176,8 +181,8 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
render::Transaction transaction;
while (!sortedAvatars.empty()) {
const AvatarPriority& sortData = sortedAvatars.top();
const auto& avatar = std::static_pointer_cast<Avatar>(sortData.avatar);
const SortableAvatar& sortData = sortedAvatars.top();
const auto& avatar = std::static_pointer_cast<Avatar>(sortData.getAvatar());
bool ignoring = DependencyManager::get<NodeList>()->isPersonalMutingNode(avatar->getID());
if (ignoring) {
@ -207,7 +212,7 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
uint64_t now = usecTimestampNow();
if (now < updateExpiry) {
// we're within budget
bool inView = sortData.priority > OUT_OF_VIEW_THRESHOLD;
bool inView = sortData.getPriority() > OUT_OF_VIEW_THRESHOLD;
if (inView && avatar->hasNewJointData()) {
numAvatarsUpdated++;
}
@ -221,7 +226,7 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
// --> some avatar velocity measurements may be a little off
// no time simulate, but we take the time to count how many were tragically missed
bool inView = sortData.priority > OUT_OF_VIEW_THRESHOLD;
bool inView = sortData.getPriority() > OUT_OF_VIEW_THRESHOLD;
if (!inView) {
break;
}
@ -230,9 +235,9 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
}
sortedAvatars.pop();
while (inView && !sortedAvatars.empty()) {
const AvatarPriority& newSortData = sortedAvatars.top();
const auto& newAvatar = std::static_pointer_cast<Avatar>(newSortData.avatar);
inView = newSortData.priority > OUT_OF_VIEW_THRESHOLD;
const SortableAvatar& newSortData = sortedAvatars.top();
const auto& newAvatar = std::static_pointer_cast<Avatar>(newSortData.getAvatar());
inView = newSortData.getPriority() > OUT_OF_VIEW_THRESHOLD;
if (inView && newAvatar->hasNewJointData()) {
numAVatarsNotUpdated++;
}

6
libraries/shared/src/PrioritySortUtil.h
View file

@ -32,11 +32,10 @@
(2) Make a PrioritySortUtil::PriorityQueue<Thing> and add them to the queue:
PrioritySortUtil::Prioritizer prioritizer(viewFrustum);
PrioritySortUtil::PriorityQueue<SortableWrapper> sortedThings(viewFrustum);
std::priority_queue< PrioritySortUtil::Sortable<Thing> > sortedThings;
for (thing in things) {
float priority = prioritizer.computePriority(PrioritySortUtil::PrioritizableThing(thing));
sortedThings.push(PrioritySortUtil::Sortable<Thing> entry(thing, priority));
sortedThings.push(SortableWrapper(thing));
}
(3) Loop over your priority queue and do timeboxed work:
@ -65,6 +64,7 @@ namespace PrioritySortUtil {
virtual uint64_t getTimestamp() const = 0;
void setPriority(float priority) { _priority = priority; }
float getPriority() const { return _priority; }
bool operator<(const Sortable& other) const { return _priority < other._priority; }
private:
float _priority { 0.0f };