Merge branch 'v3' into v3_fixGLProgramCrash
fix compile error for macro redefinition
remove texture unit 4-7, only 0 -3 is reserved
Merge branch 'v3' into v3_fixGLProgramCrash
Merge pull request #8611 from dabingnn/v3_fixGLProgramCrash

V3 fix gl program crash