From ed236aa0d06d8646bb2cfebf03cba1d2aa1cf85d Mon Sep 17 00:00:00 2001
From: Randy Frank <rfrank@rsinc.com>
Date: Sat, 15 Jan 2000 06:11:33 +0000
Subject: Added test for the occlusion test code.
---
progs/demos/osdemo.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 50 insertions(+), 3 deletions(-)
(limited to 'progs/demos')
diff --git a/progs/demos/osdemo.c b/progs/demos/osdemo.c
index f69cd22..92bbd18 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();
}
--
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