Added test for the occlusion test code.

This commit is contained in:
Randy Frank 2000-01-15 06:11:33 +00:00
parent acb6297e14
commit ed236aa0d0
1 changed files with 50 additions and 3 deletions

View File

@ -1,4 +1,4 @@
/* $Id: osdemo.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
/* $Id: osdemo.c,v 1.2 2000/01/15 06:11:33 rjfrank Exp $ */
/*
* Demo of off-screen Mesa rendering
@ -19,8 +19,11 @@
/*
* $Log: osdemo.c,v $
* Revision 1.1 1999/08/19 00:55:40 jtg
* Initial revision
* Revision 1.2 2000/01/15 06:11:33 rjfrank
* Added test for the occlusion test code.
*
* Revision 1.1.1.1 1999/08/19 00:55:40 jtg
* Imported sources
*
* Revision 3.0 1998/02/14 18:42:29 brianp
* initial rev
@ -85,12 +88,56 @@ static void render_image( void )
glutSolidCone(1.0, 2.0, 16, 1);
glPopMatrix();
#ifdef OSMESA_OCCLUSION_TEST_RESULT_HP
{
GLboolean bRet;
OSMesaGetBooleanv(OSMESA_OCCLUSION_TEST_RESULT_HP,&bRet);
glDepthMask(GL_FALSE);
glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
glPushMatrix();
glTranslatef(0.75, 0.0, -1.0);
glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
glutSolidSphere(1.0, 20, 20);
glPopMatrix();
OSMesaGetBooleanv(OSMESA_OCCLUSION_TEST_RESULT_HP,&bRet);
printf("Occlusion test 1 (result should be 1): %d\n",bRet);
glDepthMask(GL_TRUE);
glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
}
#endif
glPushMatrix();
glTranslatef(0.75, 0.0, -1.0);
glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
glutSolidSphere(1.0, 20, 20);
glPopMatrix();
#ifdef OSMESA_OCCLUSION_TEST_RESULT_HP
{
GLboolean bRet;
OSMesaGetBooleanv(OSMESA_OCCLUSION_TEST_RESULT_HP,&bRet);
glDepthMask(GL_FALSE);
glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
/* draw a sphere inside the previous sphere */
glPushMatrix();
glTranslatef(0.75, 0.0, -1.0);
glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
glutSolidSphere(0.5, 20, 20);
glPopMatrix();
OSMesaGetBooleanv(OSMESA_OCCLUSION_TEST_RESULT_HP,&bRet);
printf("Occlusion test 2 (result should be 0): %d\n",bRet);
glDepthMask(GL_TRUE);
glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
}
#endif
glPopMatrix();
}