- Added ability to set custom depth/stencil texture for render targets (currently OpenGL only).
- Added new color formats: ECF_D16, ECF_D32, ECF_D24S8 (currently OpenGL only).


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4984 dfc29bdd-3216-0410-991c-e03cc46cb475
- Fixed methods related to RTT in D3D9 and Software Drivers.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4985 dfc29bdd-3216-0410-991c-e03cc46cb475