diff options
| -rw-r--r-- | progs/tests/zreaddraw.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/progs/tests/zreaddraw.c b/progs/tests/zreaddraw.c index 7dfed20cfb9..7740695bb66 100644 --- a/progs/tests/zreaddraw.c +++ b/progs/tests/zreaddraw.c @@ -58,6 +58,10 @@ static void Display(void) printf("Depth value range: [%f, %f]\n", min, max); } + /* Draw the Z image as luminance above original rendering */ + glWindowPos2i(0, 100); + glDrawPixels(100, 100, GL_LUMINANCE, depthType, depth); + if (TestPacking) { glPixelStorei(GL_PACK_ROW_LENGTH, 0); glPixelStorei(GL_PACK_SKIP_PIXELS, 0); @@ -100,6 +104,7 @@ static void Display(void) glReadPixels(100, 0, 400, 400, GL_DEPTH_COMPONENT, GL_FLOAT, depth2); /* draw as luminance */ glPixelZoom(1.0, 1.0); + glWindowPos2i(100, 0); glDrawPixels(400, 400, GL_LUMINANCE, GL_FLOAT, depth2); glutSwapBuffers(); |