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authorPaul Olav Tvete <paul.tvete@nokia.com>2010-08-19 10:04:39 (GMT)
committerPaul Olav Tvete <paul.tvete@nokia.com>2010-08-19 10:04:39 (GMT)
commita226143eeda6771efc4f0df6955351336735cb60 (patch)
treea279f87d74f5929e36fe6a3aa5e4f4d843b32458 /demos/boxes/glbuffers.cpp
parentc02ad51733d0a2885ddb39cb7e3b09355ab97213 (diff)
parentffbce9839f8be5c2f21cc66b617dbeb0a47af269 (diff)
downloadQt-a226143eeda6771efc4f0df6955351336735cb60.zip
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Merge remote branch 'qt/master' into lighthouse-master
Diffstat (limited to 'demos/boxes/glbuffers.cpp')
-rw-r--r--demos/boxes/glbuffers.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/demos/boxes/glbuffers.cpp b/demos/boxes/glbuffers.cpp
index 694d05b..84ab26c 100644
--- a/demos/boxes/glbuffers.cpp
+++ b/demos/boxes/glbuffers.cpp
@@ -42,6 +42,16 @@
#include "glbuffers.h"
#include <QtGui/qmatrix4x4.h>
+
+void qgluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar)
+{
+ const GLdouble ymax = zNear * tan(fovy * M_PI / 360.0);
+ const GLdouble ymin = -ymax;
+ const GLdouble xmin = ymin * aspect;
+ const GLdouble xmax = ymax * aspect;
+ glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
+}
+
//============================================================================//
// GLTexture //
//============================================================================//