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authorBrian Paul <brianp@vmware.com>2009-10-21 21:51:06 -0600
committerBrian Paul <brianp@vmware.com>2009-10-21 21:51:19 -0600
commit82ffc5884c29a8d4eb70fde15f27cace4732a4bb (patch)
tree2c0a7047e2f8877923a07cc465bcfcb2cf40d3eb
parent3c685608664900562919136fbc33ac16060a27c3 (diff)
progs/tests: draw Z values as luminance, no pixel zoom
-rw-r--r--progs/tests/zreaddraw.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/progs/tests/zreaddraw.c b/progs/tests/zreaddraw.c
index 7dfed20cfb..7740695bb6 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();