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Added test for the occlusion test code.

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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
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53
progs/demos/osdemo.c
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@ -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 * Demo of off-screen Mesa rendering
@ -19,8 +19,11 @@
/* /*
* $Log: osdemo.c,v $ * $Log: osdemo.c,v $
* Revision 1.1 1999/08/19 00:55:40 jtg * Revision 1.2 2000/01/15 06:11:33 rjfrank
* Initial revision * 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 * Revision 3.0 1998/02/14 18:42:29 brianp
* initial rev * initial rev
@ -85,12 +88,56 @@ static void render_image( void )
glutSolidCone(1.0, 2.0, 16, 1); glutSolidCone(1.0, 2.0, 16, 1);
glPopMatrix(); 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(); glPushMatrix();
glTranslatef(0.75, 0.0, -1.0); glTranslatef(0.75, 0.0, -1.0);
glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat ); glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
glutSolidSphere(1.0, 20, 20); glutSolidSphere(1.0, 20, 20);
glPopMatrix(); 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(); glPopMatrix();
} }