- Fixed issue with color mask in OpenGL.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4879 dfc29bdd-3216-0410-991c-e03cc46cb475
- Fixed issue with color mask in both OpenGL ES1 and ES2 drivers.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4880 dfc29bdd-3216-0410-991c-e03cc46cb475
- Removed glGetError calls from release builds.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4881 dfc29bdd-3216-0410-991c-e03cc46cb475
- Removed glGetError calls (IBO and VBO update) from release builds.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4882 dfc29bdd-3216-0410-991c-e03cc46cb475