[Vapor-cvs] vapor/lib/render proberenderer.cpp,1.36,1.37

[Alan N. <ala...@us...>]

Update of /cvsroot/vapor/vapor/lib/render
In directory fdv4jf1.ch3.sourceforge.com:/tmp/cvs-serv7613/lib/render

Modified Files:
	proberenderer.cpp 
Log Message:
Provide error message when no Aux buffer available.


Index: proberenderer.cpp
===================================================================
RCS file: /cvsroot/vapor/vapor/lib/render/proberenderer.cpp,v
retrieving revision 1.36
retrieving revision 1.37
diff -C2 -d -r1.36 -r1.37
*** proberenderer.cpp	14 Oct 2008 13:56:29 -0000	1.36
--- proberenderer.cpp	17 Dec 2008 22:21:53 -0000	1.37
***************
*** 148,151 ****
--- 148,157 ----
  	glGenTextures(1, &_probeid);
  	glBindTexture(GL_TEXTURE_2D, _probeid);
+ 	int val;
+ 	glGetIntegerv(GL_AUX_BUFFERS, &val);
+ 	if (val < 1) {
+ 		MyBase::SetErrMsg(VAPOR_ERROR_GL_RENDERING,
+ 			" No Aux buffer available.\nFlow images will not display properly in the probe");
+ 	} 
  	initialized = true;
  }
***************
*** 267,273 ****
  	//glGetIntegerv(GL_MAX_DRAW_BUFFERS, &val);
  	//assert(val > 1);
! 
  	glDrawBuffer(GL_AUX0);
  	glReadBuffer(GL_AUX0);
  	glMatrixMode(GL_MODELVIEW);
  	glPushMatrix();
--- 273,281 ----
  	//glGetIntegerv(GL_MAX_DRAW_BUFFERS, &val);
  	//assert(val > 1);
! 	//We need an aux buffer
! 	
  	glDrawBuffer(GL_AUX0);
  	glReadBuffer(GL_AUX0);
+ 	
  	glMatrixMode(GL_MODELVIEW);
  	glPushMatrix();