- Assign width and height to the actual powers of two rather than to the exponents...
- Clean up FramebufferManager()
- Make use of more depth buffer formats to prevent some devices from failing to create a depth buffer
Should fix issue 3256.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6730 8ced0084-cf51-0410-be5f-012b33b47a6e