cause this callable to perform it 's gl operations @see performgloperations . this method will block until the gl operations have been performed . concode_field_sep Texture lastUsed concode_elem_sep boolean inSafe concode_field_sep void performGLOperations concode_elem_sep void leaveSafeBlock concode_elem_sep void enterSafeBlock
void function ( ) { enterSafeBlock ( ) ; performGLOperations ( ) ; leaveSafeBlock ( ) ; }