Fixing flicking in instance based objects

libraries/gpu/src/gpu/Frame.cpp

@@ -26,6 +26,21 @@ Frame::~Frame() {
 void Frame::finish() {
     std::unordered_set<Buffer*> seenBuffers;
     for (Batch& batch : batches) {
+        for (auto& namedCallData : batch._namedData) {
+            for (auto& buffer : namedCallData.second.buffers) {
+                if (!buffer) {
+                    continue;
+                }
+                if (!buffer->isDirty()) {
+                    continue;
+                }
+                if (seenBuffers.count(buffer.get())) {
+                    continue;
+                }
+                seenBuffers.insert(buffer.get());
+                bufferUpdates.push_back({ buffer, buffer->getUpdate() });
+            }
+        }
         for (auto& bufferCacheItem : batch._buffers._items) {
             const BufferPointer& buffer = bufferCacheItem._data;
             if (!buffer) {

libraries/render-utils/src/GeometryCache.cpp

@@ -372,11 +372,15 @@ void GeometryCache::buildShapes() {
     extrudePolygon<6>(_shapes[Hexagon], _shapeVertices, _shapeIndices);
     //Octagon,
     extrudePolygon<8>(_shapes[Octagon], _shapeVertices, _shapeIndices);
+
     //Quad,
     //Circle,
     //Torus,
     //Cone,
     //Cylinder,
+
+    _shapeIndices->flush();
+    _shapeVertices->flush();
 }
 
 gpu::Stream::FormatPointer& getSolidStreamFormat() {