Perspective parameter bug fix for opengl viewer
Perspective parameter bug fix for opengl viewer

Change-Id: Ibf5072930d462c444e313213794c89c3579cbba2

zhanshenman/TheiaSfM,mylxiaoyi/TheiaSfM,rajvishah/TheiaSfM,zhanshenman/TheiaSfM,mylxiaoyi/TheiaSfM,mylxiaoyi/TheiaSfM,zhanshenman/TheiaSfM,mylxiaoyi/TheiaSfM,klemmster/TheiaSfM,klemmster/TheiaSfM,rajvishah/TheiaSfM,rajvishah/TheiaSfM,zhanshenman/TheiaSfM,klemmster/TheiaSfM,klemmster/TheiaSfM,klemmster/TheiaSfM,mylxiaoyi/TheiaSfM,rajvishah/TheiaSfM,zhanshenman/TheiaSfM