Mesa (master): demos: fix aspect ratio in Reshape()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 08a1e1ebcb612dfa9172f04e4644b34d95ec7dac
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=08a1e1ebcb612dfa9172f04e4644b34d95ec7dac

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Apr  9 17:04:58 2009 -0600

demos: fix aspect ratio in Reshape()

---

 progs/glsl/bump.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index b93ab44..0ea1f83 100644
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -150,10 +150,11 @@ Redisplay(void)
 static void
 Reshape(int width, int height)
 {
+   float ar = (float) width / (float) height;
    glViewport(0, 0, width, height);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
-   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glTranslatef(0.0f, 0.0f, -15.0f);