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expand avatar update time budget

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This commit is contained in:
Andrew Meadows 2017-02-23 11:14:52 -08:00
parent 14e7392a89
commit 4bbbcb61be
1 changed files with 6 additions and 16 deletions
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22
interface/src/avatar/AvatarManager.cpp
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@ -157,7 +157,6 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
lock.unlock(); lock.unlock();
PerformanceTimer perfTimer("otherAvatars"); PerformanceTimer perfTimer("otherAvatars");
uint64_t startTime = usecTimestampNow();
auto avatarMap = getHashCopy(); auto avatarMap = getHashCopy();
QList<AvatarSharedPointer> avatarList = avatarMap.values(); QList<AvatarSharedPointer> avatarList = avatarMap.values();
@ -194,10 +193,9 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
}); });
render::PendingChanges pendingChanges; render::PendingChanges pendingChanges;
const uint64_t RENDER_UPDATE_BUDGET = 1500; // usec uint64_t startTime = usecTimestampNow();
const uint64_t MAX_UPDATE_BUDGET = 2000; // usec const uint64_t UPDATE_BUDGET = 2000; // usec
uint64_t renderExpiry = startTime + RENDER_UPDATE_BUDGET; uint64_t updateExpiry = startTime + UPDATE_BUDGET;
uint64_t maxExpiry = startTime + MAX_UPDATE_BUDGET;
int numAvatarsUpdated = 0; int numAvatarsUpdated = 0;
int numAVatarsNotUpdated = 0; int numAVatarsNotUpdated = 0;
@ -223,7 +221,7 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
const float OUT_OF_VIEW_THRESHOLD = 0.5f * AvatarData::OUT_OF_VIEW_PENALTY; const float OUT_OF_VIEW_THRESHOLD = 0.5f * AvatarData::OUT_OF_VIEW_PENALTY;
uint64_t now = usecTimestampNow(); uint64_t now = usecTimestampNow();
if (now < renderExpiry) { if (now < updateExpiry) {
// we're within budget // we're within budget
bool inView = sortData.priority > OUT_OF_VIEW_THRESHOLD; bool inView = sortData.priority > OUT_OF_VIEW_THRESHOLD;
if (inView && avatar->hasNewJointData()) { if (inView && avatar->hasNewJointData()) {
@ -232,21 +230,13 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
avatar->simulate(deltaTime, inView); avatar->simulate(deltaTime, inView);
avatar->updateRenderItem(pendingChanges); avatar->updateRenderItem(pendingChanges);
avatar->setLastRenderUpdateTime(startTime); avatar->setLastRenderUpdateTime(startTime);
} else if (now < maxExpiry) {
// we've spent most of our time budget, but we still simulate() the avatar as it if were out of view
// --> some avatars may freeze until their priority trickles up
bool inView = sortData.priority > OUT_OF_VIEW_THRESHOLD;
if (inView && avatar->hasNewJointData()) {
numAVatarsNotUpdated++;
}
avatar->simulate(deltaTime, false);
} else { } else {
// we've spent ALL of our time budget --> bail on the rest of the avatar updates // we've spent our full time budget --> bail on the rest of the avatar updates
// --> more avatars may freeze until their priority trickles up // --> more avatars may freeze until their priority trickles up
// --> some scale or fade animations may glitch // --> some scale or fade animations may glitch
// --> some avatar velocity measurements may be a little off // --> some avatar velocity measurements may be a little off
// HACK: no time simulate, but we will take the time to count how many were tragically missed // 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.priority > OUT_OF_VIEW_THRESHOLD;
if (!inView) { if (!inView) {
break; break;