opengl: More checking for GL errors.
opengl: More checking for GL errors.

Change-Id: I3bd9b63f7dbfdc5b93202e57385f6136d667878b

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core