diff options
Diffstat (limited to 'progs/tests/zreaddraw.c')
| -rw-r--r-- | progs/tests/zreaddraw.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/progs/tests/zreaddraw.c b/progs/tests/zreaddraw.c index 2cbfeb6..8839e10 100644 --- a/progs/tests/zreaddraw.c +++ b/progs/tests/zreaddraw.c @@ -24,6 +24,8 @@ static void Display(void) glClearColor(0.5, 0.5, 0.5, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + glEnable(GL_DEPTH_TEST); + /* draw a sphere */ glViewport(0, 0, 100, 100); glMatrixMode(GL_PROJECTION); @@ -46,9 +48,12 @@ static void Display(void) /* draw depth image with scaling (into z buffer) */ glPixelZoom(4.0, 4.0); + glColor4f(1, 0, 0, 0); glWindowPos2i(100, 0); glDrawPixels(100, 100, GL_DEPTH_COMPONENT, GL_FLOAT, depth); + glDisable(GL_DEPTH_TEST); + /* read back scaled depth image */ glReadPixels(100, 0, 400, 400, GL_DEPTH_COMPONENT, GL_FLOAT, depth2); /* draw as luminance */ @@ -96,7 +101,6 @@ static void Init(void) glLightfv(GL_LIGHT0, GL_POSITION, pos); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); - glEnable(GL_DEPTH_TEST); } |