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implement max number of polygons in the coverage regions to keep them from getting slow

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This commit is contained in:
ZappoMan 2013-07-10 16:57:42 -07:00
parent 6694ef3869
commit 62c933140d
2 changed files with 24 additions and 8 deletions
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31
libraries/voxels/src/CoverageMap.cpp
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@ -16,6 +16,8 @@ int CoverageMap::_checkMapRootCalls = 0;
int CoverageMap::_notAllInView = 0;
bool CoverageMap::wantDebugging = false;
const int MAX_POLYGONS_PER_REGION = 50;
const BoundingBox CoverageMap::ROOT_BOUNDING_BOX = BoundingBox(glm::vec2(-1.f,-1.f), glm::vec2(2.f,2.f));
// Coverage Map's polygon coordinates are from -1 to 1 in the following mapping to screen space.
@ -76,6 +78,7 @@ void CoverageMap::printStats() {
printLog("_occlusionTests=%d\n",CoverageRegion::_occlusionTests);
printLog("_regionSkips=%d\n",CoverageRegion::_regionSkips);
printLog("_tooSmallSkips=%d\n",CoverageRegion::_tooSmallSkips);
printLog("_regionFullSkips=%d\n",CoverageRegion::_regionFullSkips);
printLog("_outOfOrderPolygon=%d\n",CoverageRegion::_outOfOrderPolygon);
printLog("_clippedPolygons=%d\n",CoverageRegion::_clippedPolygons);
}
@ -104,6 +107,7 @@ void CoverageMap::erase() {
CoverageRegion::_occlusionTests = 0;
CoverageRegion::_regionSkips = 0;
CoverageRegion::_tooSmallSkips = 0;
CoverageRegion::_regionFullSkips = 0;
CoverageRegion::_outOfOrderPolygon = 0;
CoverageRegion::_clippedPolygons = 0;
_mapCount = 0;
@ -283,10 +287,16 @@ CoverageMapStorageResult CoverageMap::checkMap(VoxelProjectedPolygon* polygon, b
// any of our child bounding boxes, so we should add it here.
if (storeIt) {
if (polygon->getBoundingBox().area() > CoverageMap::MINIMUM_POLYGON_AREA_TO_STORE) {
//printLog("storing polygon of area: %f\n",polygon->getBoundingBox().area());
storeIn->storeInArray(polygon);
//printLog("CoverageMap2::checkMap()... STORED\n");
return STORED;
//printLog("storing polygon of area: %f\n",polygon->getBoundingBox().area());
if (storeIn->getPolygonCount() < MAX_POLYGONS_PER_REGION) {
storeIn->storeInArray(polygon);
//printLog("CoverageMap2::checkMap()... STORED\n");
return STORED;
} else {
CoverageRegion::_regionFullSkips++;
//printLog("CoverageMap2::checkMap()... NOT_STORED\n");
return NOT_STORED;
}
} else {
CoverageRegion::_tooSmallSkips++;
//printLog("CoverageMap2::checkMap()... NOT_STORED\n");
@ -405,6 +415,7 @@ int CoverageRegion::_totalPolygons = 0;
int CoverageRegion::_occlusionTests = 0;
int CoverageRegion::_regionSkips = 0;
int CoverageRegion::_tooSmallSkips = 0;
int CoverageRegion::_regionFullSkips = 0;
int CoverageRegion::_outOfOrderPolygon = 0;
int CoverageRegion::_clippedPolygons = 0;
@ -523,10 +534,14 @@ CoverageMapStorageResult CoverageRegion::checkRegion(VoxelProjectedPolygon* poly
if (polygonAtThisLevel->getDistance() >= polygon->getDistance()) {
_outOfOrderPolygon++;
if (storeIt) {
if (true || polygon->getBoundingBox().area() > CoverageMap::MINIMUM_POLYGON_AREA_TO_STORE) {
//printLog("storing polygon of area: %f\n",polygon->getBoundingBox().area());
storeInArray(polygon);
return STORED;
if (polygon->getBoundingBox().area() > CoverageMap::MINIMUM_POLYGON_AREA_TO_STORE) {
if (getPolygonCount() < MAX_POLYGONS_PER_REGION) {
storeInArray(polygon);
return STORED;
} else {
CoverageRegion::_regionFullSkips++;
return NOT_STORED;
}
} else {
_tooSmallSkips++;
return NOT_STORED;

1
libraries/voxels/src/CoverageMap.h
View file

@ -33,6 +33,7 @@ public:
static int _occlusionTests;
static int _regionSkips;
static int _tooSmallSkips;
static int _regionFullSkips;
static int _outOfOrderPolygon;
static int _clippedPolygons;