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added SIMPLE_CHILD_ARRAY implementation to temporarily work around memory corruption

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This commit is contained in:
ZappoMan 2013-10-28 12:10:30 -07:00
parent ce524714d9
commit e3c64429b9
2 changed files with 25 additions and 1 deletions
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21
libraries/voxels/src/VoxelNode.cpp
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@ -75,7 +75,12 @@ void VoxelNode::init(unsigned char * octalCode) {
_childrenArray[i] = NULL;
}
#endif // def HAS_AUDIT_CHILDREN
#ifdef SIMPLE_CHILD_ARRAY
for (int i = 0; i < NUMBER_OF_CHILDREN; i++) {
_simpleChildArray[i] = NULL;
}
#endif
_unknownBufferIndex = true;
setBufferIndex(GLBUFFER_INDEX_UNKNOWN);
@ -320,6 +325,9 @@ uint64_t VoxelNode::_couldStoreFourChildrenInternally = 0;
uint64_t VoxelNode::_couldNotStoreFourChildrenInternally = 0;
VoxelNode* VoxelNode::getChildAtIndex(int childIndex) const {
#ifdef SIMPLE_CHILD_ARRAY
return _simpleChildArray[childIndex];
#else
PerformanceWarning warn(false,"getChildAtIndex",false,&_getChildAtIndexTime,&_getChildAtIndexCalls);
VoxelNode* result = NULL;
int childCount = getChildCount();
@ -428,6 +436,7 @@ VoxelNode* VoxelNode::getChildAtIndex(int childIndex) const {
}
#endif // def HAS_AUDIT_CHILDREN
return result;
#endif
}
void VoxelNode::storeTwoChildren(VoxelNode* childOne, VoxelNode* childTwo) {
@ -680,6 +689,14 @@ void VoxelNode::deleteAllChildren() {
}
void VoxelNode::setChildAtIndex(int childIndex, VoxelNode* child) {
#ifdef SIMPLE_CHILD_ARRAY
if (child) {
setAtBit(_childBitmask, childIndex);
} else {
clearAtBit(_childBitmask, childIndex);
}
_simpleChildArray[childIndex] = child;
#else
PerformanceWarning warn(false,"setChildAtIndex",false,&_setChildAtIndexTime,&_setChildAtIndexCalls);
// Here's how we store things...
@ -1020,6 +1037,8 @@ void VoxelNode::setChildAtIndex(int childIndex, VoxelNode* child) {
_childrenArray[childIndex] = child;
auditChildren("setChildAtIndex()");
#endif // def HAS_AUDIT_CHILDREN
#endif
}

5
libraries/voxels/src/VoxelNode.h
View file

@ -10,6 +10,7 @@
#define __hifi__VoxelNode__
//#define HAS_AUDIT_CHILDREN
#define SIMPLE_CHILD_ARRAY
#include <SharedUtil.h>
#include "AABox.h"
@ -172,6 +173,10 @@ private:
uint64_t _lastChanged; /// Client and server, timestamp this node was last changed, 8 bytes
/// Client and server, pointers to child nodes, various encodings
#ifdef SIMPLE_CHILD_ARRAY
VoxelNode* _simpleChildArray[8]; /// Only used when HAS_AUDIT_CHILDREN is enabled to help debug children encoding
#endif
union children_t {
VoxelNode* single;
int32_t offsetsTwoChildren[2];