* Perspective matrix only has 0, 5, 10, 11, 14 (14 is const value, 1.0f).
* Orthographic matrix only has 0, 5, 10, 14, 15 (15 is const value, 1.0f).
* If window rotated, we use 1, 4 index instead of 0, 5.
* Perspective matrix only has 0, 5, 10, 11, 14 (14 is const value, 1.0f).
* Orthographic matrix only has 0, 5, 10, 14, 15 (15 is const value, 1.0f).
* If window rotated, we use 1, 4 index instead of 0, 5.