Faster and more correct OGL transparent surface sorting
This patch fixes some ordering issues in HWR_CreateDrawNodes. It also makes it faster by replacing the O(n^2) bubble sort algorithm with O(n \log n) quick sort.
Comparison images:
| Before | After |
|---|---|
 |
 |
 |
 |
Performance comparison:
| Before | After |
|---|---|
 558 microseconds |
 26 microseconds |
 490 microseconds |
 41 microseconds |