Mesa (texformat-rework): progs/tests: draw Z values as luminance, no pixel zoom

[Brian Paul]

Module: Mesa
Branch: texformat-rework
Commit: 82ffc5884c29a8d4eb70fde15f27cace4732a4bb
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=82ffc5884c29a8d4eb70fde15f27cace4732a4bb

Author: Brian Paul <brianp at vmware.com>
Date:   Wed Oct 21 21:51:06 2009 -0600

progs/tests: draw Z values as luminance, no pixel zoom

---

 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 7dfed20..7740695 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();