qt-fatal error C1083 Cannot open include file GLES2gl2.h No such file or director
Solution Explorer -> properties -> VC++ Directories -> Include Directories添加C:\Qt\Qt5.2.1\5.2.1\msvc2012\include\QtANGLE\
Solution Explorer -> properties -> VC++ Directories -> Include Directories添加C:\Qt\Qt5.2.1\5.2.1\msvc2012\include\QtANGLE\