diff options
| -rw-r--r-- | progs/demos/osdemo.c | 53 |
1 files changed, 50 insertions, 3 deletions
diff --git a/progs/demos/osdemo.c b/progs/demos/osdemo.c index f69cd22fad1..92bbd18491b 100644 --- a/progs/demos/osdemo.c +++ b/progs/demos/osdemo.c @@ -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(); } |