<HTML> <BODY> <PRE> <STRONG>NAME</STRONG> <STRONG>glFinish</STRONG> - block until all GL execution is complete <STRONG>C</STRONG> <STRONG>SPECIFICATION</STRONG> void <STRONG>glFinish</STRONG>( void ) <STRONG>DESCRIPTION</STRONG> <STRONG>glFinish</STRONG> does not return until the effects of all previously called GL commands are complete. Such effects include all changes to GL state, all changes to connection state, and all changes to the frame buffer contents. <STRONG>NOTES</STRONG> <STRONG>glFinish</STRONG> requires a round trip to the server. <STRONG>ERRORS</STRONG> <STRONG>GL_INVALID_OPERATION</STRONG> is generated if <STRONG>glFinish</STRONG> is executed between the execution of <STRONG>glBegin</STRONG> and the corresponding execution of <STRONG>glEnd</STRONG>. <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG> <STRONG>glFlush</STRONG> </PRE> </BODY> </HTML>