<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Incorrect viewport range when GL_CLIP_ORIGIN is GL_UPPER_LEFT"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93813#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Incorrect viewport range when GL_CLIP_ORIGIN is GL_UPPER_LEFT"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93813">bug 93813</a>
from <span class="vcard"><a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> <span class="fn">Ilia Mirkin</span></a>
</span></b>
<pre>Without trying to determine whether mesa or your test right, this "fixes" your
test:
diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c
index 7d891429..2881a75 100644
--- a/src/mesa/main/viewport.c
+++ b/src/mesa/main/viewport.c
@@ -456,7 +456,7 @@ _mesa_get_viewport_xform(struct gl_context *ctx, unsigned
i,
translate[0] = half_width + x;
if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) {
scale[1] = -half_height;
- translate[1] = half_height - y;
+ translate[1] = half_height + y;
} else {
scale[1] = half_height;
translate[1] = half_height + y;</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>