more optimizations of render pipeline

interface/src/VoxelSystem.cpp

@@ -154,6 +154,13 @@ int VoxelSystem::parseData(unsigned char* sourceBuffer, int numBytes) {
 
 void VoxelSystem::setupNewVoxelsForDrawing() {
     double start = usecTimestampNow();
+    
+    double sinceLastTime = (start - _setupNewVoxelsForDrawingLastFinished);
+    
+    if (sinceLastTime <= std::max(_setupNewVoxelsForDrawingLastElapsed,SIXTY_FPS_IN_MILLISECONDS)) {
+        return; // bail early, it hasn't been long enough since the last time we ran
+    }
+    
     if (_tree->isDirty()) {
         _callsToTreesToArrays++;
         _voxelsUpdated = newTreeToArrays(_tree->rootNode);
@@ -164,6 +171,12 @@ void VoxelSystem::setupNewVoxelsForDrawing() {
     if (_voxelsUpdated) {
         _voxelsDirty=true;
     }
+
+    if (_voxelsDirty) {
+        // copy the newly written data to the arrays designated for reading
+        copyWrittenDataToReadArrays();
+    }
+
     double end = usecTimestampNow();
     double elapsedmsec = (end - start)/1000.0;
     if (_renderWarningsOn && elapsedmsec > 1) {
@@ -174,11 +187,9 @@ void VoxelSystem::setupNewVoxelsForDrawing() {
             printLog("WARNING! newTreeToArrays() took %lf milliseconds %ld voxels updated\n", elapsedmsec, _voxelsUpdated);
         }
     }
-
-    if (_voxelsDirty) {
-        // copy the newly written data to the arrays designated for reading
-        copyWrittenDataToReadArrays();
-    }
+    
+    _setupNewVoxelsForDrawingLastFinished = end;
+    _setupNewVoxelsForDrawingLastElapsed = elapsedmsec;
 }
 
 void VoxelSystem::copyWrittenDataToReadArrays() {
@@ -277,6 +288,8 @@ void VoxelSystem::init() {
 
     _renderWarningsOn = false;
     _callsToTreesToArrays = 0;
+    _setupNewVoxelsForDrawingLastFinished = 0;
+    _setupNewVoxelsForDrawingLastElapsed = 0;
 
     // When we change voxels representations in the arrays, we'll update this
     _voxelsDirty = false;

interface/src/VoxelSystem.h

@@ -90,6 +90,10 @@ private:
     unsigned long _voxelsUpdated;
     unsigned long _voxelsInArrays;
     
+    
+    double _setupNewVoxelsForDrawingLastElapsed;
+    double _setupNewVoxelsForDrawingLastFinished;
+    
     GLuint _vboVerticesID;
     GLuint _vboNormalsID;
     GLuint _vboColorsID;

libraries/voxels/src/VoxelConstants.h

@@ -24,4 +24,5 @@ const int COLOR_VALUES_PER_VOXEL = 3 * VERTICES_PER_VOXEL;
 typedef unsigned long int glBufferIndex;
 const glBufferIndex GLBUFFER_INDEX_UNKNOWN = ULONG_MAX;
 
+const double SIXTY_FPS_IN_MILLISECONDS = 1000.0/60;
 #endif

libraries/voxels/src/VoxelTree.cpp

@@ -438,6 +438,12 @@ void VoxelTree::loadVoxelsFile(const char* fileName, bool wantColorRandomizer) {
     }
 }
 
+void VoxelTree::createVoxel(float x, float y, float z, float s, unsigned char red, unsigned char green, unsigned char blue) {
+    unsigned char* voxelData = pointToVoxel(x,y,z,s,red,green,blue);
+    this->readCodeColorBufferToTree(voxelData);
+    delete voxelData;
+}
+
 void VoxelTree::createSphere(float r,float xc, float yc, float zc, float s, bool solid, bool wantColorRandomizer) {
     // About the color of the sphere... we're going to make this sphere be a gradient
     // between two RGB colors. We will do the gradient along the phi spectrum

libraries/voxels/src/VoxelTree.h

@@ -46,6 +46,7 @@ public:
     void reaverageVoxelColors(VoxelNode *startNode);
 	void loadVoxelsFile(const char* fileName, bool wantColorRandomizer);
 	void createSphere(float r,float xc, float yc, float zc, float s, bool solid, bool wantColorRandomizer);
+    void createVoxel(float x, float y, float z, float s, unsigned char red, unsigned char green, unsigned char blue);
 	
     void recurseTreeWithOperation(RecurseVoxelTreeOperation operation, void* extraData=NULL);