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Adjust avatar LOD more aggressively: raise detail slowly when above our target

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window, lower it in proportion to the ratio between desired and actual rates.
This commit is contained in:
Andrzej Kapolka 2014-03-24 16:45:44 -07:00
parent 763976e723
commit 47f0af818a
3 changed files with 30 additions and 6 deletions
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8
interface/interface_en.ts
View file

@ -113,18 +113,18 @@
<context>
<name>Menu</name>
<message>
<location filename="src/Menu.cpp" line="449"/>
<location filename="src/Menu.cpp" line="455"/>
<source>Open .ini config file</source>
<translation type="unfinished"></translation>
</message>
<message>
<location filename="src/Menu.cpp" line="451"/>
<location filename="src/Menu.cpp" line="463"/>
<location filename="src/Menu.cpp" line="457"/>
<location filename="src/Menu.cpp" line="469"/>
<source>Text files (*.ini)</source>
<translation type="unfinished"></translation>
</message>
<message>
<location filename="src/Menu.cpp" line="461"/>
<location filename="src/Menu.cpp" line="467"/>
<source>Save .ini config file</source>
<translation type="unfinished"></translation>
</message>

24
interface/src/Menu.cpp
View file

@ -61,6 +61,7 @@ Menu* Menu::getInstance() {
const ViewFrustumOffset DEFAULT_FRUSTUM_OFFSET = {-135.0f, 0.0f, 0.0f, 25.0f, 0.0f};
const float DEFAULT_FACESHIFT_EYE_DEFLECTION = 0.25f;
const float DEFAULT_AVATAR_LOD_DISTANCE_MULTIPLIER = 1.0f;
const int FIVE_SECONDS_OF_FRAMES = 5 * 60;
Menu::Menu() :
@ -75,9 +76,11 @@ Menu::Menu() :
_lodToolsDialog(NULL),
_maxVoxels(DEFAULT_MAX_VOXELS_PER_SYSTEM),
_voxelSizeScale(DEFAULT_OCTREE_SIZE_SCALE),
_avatarLODDistanceMultiplier(DEFAULT_AVATAR_LOD_DISTANCE_MULTIPLIER),
_boundaryLevelAdjust(0),
_maxVoxelPacketsPerSecond(DEFAULT_MAX_VOXEL_PPS),
_lastAdjust(usecTimestampNow()),
_lastAvatarDetailDrop(usecTimestampNow()),
_fpsAverage(FIVE_SECONDS_OF_FRAMES),
_loginAction(NULL)
{
@ -386,6 +389,8 @@ void Menu::loadSettings(QSettings* settings) {
_maxVoxels = loadSetting(settings, "maxVoxels", DEFAULT_MAX_VOXELS_PER_SYSTEM);
_maxVoxelPacketsPerSecond = loadSetting(settings, "maxVoxelsPPS", DEFAULT_MAX_VOXEL_PPS);
_voxelSizeScale = loadSetting(settings, "voxelSizeScale", DEFAULT_OCTREE_SIZE_SCALE);
_avatarLODDistanceMultiplier = loadSetting(settings, "avatarLODDistanceMultiplier",
DEFAULT_AVATAR_LOD_DISTANCE_MULTIPLIER);
_boundaryLevelAdjust = loadSetting(settings, "boundaryLevelAdjust", 0);
settings->beginGroup("View Frustum Offset Camera");
@ -425,6 +430,7 @@ void Menu::saveSettings(QSettings* settings) {
settings->setValue("maxVoxels", _maxVoxels);
settings->setValue("maxVoxelsPPS", _maxVoxelPacketsPerSecond);
settings->setValue("voxelSizeScale", _voxelSizeScale);
settings->setValue("avatarLODDistanceMultiplier", _avatarLODDistanceMultiplier);
settings->setValue("boundaryLevelAdjust", _boundaryLevelAdjust);
settings->beginGroup("View Frustum Offset Camera");
settings->setValue("viewFrustumOffsetYaw", _viewFrustumOffset.yaw);
@ -1185,8 +1191,24 @@ void Menu::autoAdjustLOD(float currentFPS) {
}
_fpsAverage.updateAverage(currentFPS);
bool changed = false;
quint64 now = usecTimestampNow();
if (_fpsAverage.getAverage() < ADJUST_LOD_DOWN_FPS) {
if (now - _lastAvatarDetailDrop > ADJUST_LOD_DOWN_DELAY) {
// attempt to lower the detail in proportion to the fps difference
float targetFps = (ADJUST_LOD_DOWN_FPS + ADJUST_LOD_UP_FPS) * 0.5f;
_avatarLODDistanceMultiplier *= (targetFps / _fpsAverage.getAverage());
_lastAvatarDetailDrop = now;
}
} else if (_fpsAverage.getAverage() > ADJUST_LOD_UP_FPS) {
// let the detail level creep slowly upwards
const float DISTANCE_DECREASE_RATE = 0.01f;
const float MINIMUM_DISTANCE_MULTIPLIER = 0.1f;
_avatarLODDistanceMultiplier = qMax(MINIMUM_DISTANCE_MULTIPLIER,
_avatarLODDistanceMultiplier - DISTANCE_DECREASE_RATE);
}
bool changed = false;
quint64 elapsed = now - _lastAdjust;
if (elapsed > ADJUST_LOD_DOWN_DELAY && _fpsAverage.getAverage() < ADJUST_LOD_DOWN_FPS

4
interface/src/Menu.h
View file

@ -89,7 +89,7 @@ public:
void autoAdjustLOD(float currentFPS);
void setVoxelSizeScale(float sizeScale);
float getVoxelSizeScale() const { return _voxelSizeScale; }
float getAvatarLODDistanceMultiplier() const { return DEFAULT_OCTREE_SIZE_SCALE / _voxelSizeScale; }
float getAvatarLODDistanceMultiplier() const { return _avatarLODDistanceMultiplier; }
void setBoundaryLevelAdjust(int boundaryLevelAdjust);
int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
@ -202,12 +202,14 @@ private:
LodToolsDialog* _lodToolsDialog;
int _maxVoxels;
float _voxelSizeScale;
float _avatarLODDistanceMultiplier;
int _boundaryLevelAdjust;
QAction* _useVoxelShader;
int _maxVoxelPacketsPerSecond;
QMenu* _activeScriptsMenu;
QString replaceLastOccurrence(QChar search, QChar replace, QString string);
quint64 _lastAdjust;
quint64 _lastAvatarDetailDrop;
SimpleMovingAverage _fpsAverage;
QAction* _loginAction;
QAction* _chatAction;