public T Get(int primitiveCount)
{
int index = MathUtils.HighestBitIndex(MathUtils.NextPowerOf2(primitiveCount));
SizedMeshBuffer <T> buffer = buffers[index];
if (buffer == null)
{
// if we happen to need buffers with higher counts of primitives, make a new one
InitBufferPair(index, 1);
buffer = buffers[index];
}
return(buffer.GetNextFree());
}
public void InitBufferPair(int index, int initialCapacity)
{
int powerOfTwo = 1 << index;
if (buffers[index] != null)
{
buffers[index].EnsureCapacity(initialCapacity);
}
else
{
buffers[index] = new SizedMeshBuffer <T>(powerOfTwo, initialCapacity);
}
// make sure instances exist for all lower indices as well
for (int i = index - 1; i >= 0; --i)
{
if (buffers[i] == null)
{
powerOfTwo = 1 << i;
buffers[i] = new SizedMeshBuffer <T>(powerOfTwo, 1);
}
}
numBuffers = index + 1;
}
