1 files changed, 4 insertions, 1 deletions
diff --git a/examples/opengl/shared/qtlogo.cpp b/examples/opengl/shared/qtlogo.cpp
index 3294da1bbf..b32b416a92 100644
--- a/examples/opengl/shared/qtlogo.cpp
+++ b/examples/opengl/shared/qtlogo.cpp
@@ -172,14 +172,17 @@ static inline void qMultMatrix(const QMatrix4x4 &mat)
 {
     if (sizeof(qreal) == sizeof(GLfloat))
         glMultMatrixf((GLfloat*)mat.constData());
+#ifndef QT_OPENGL_ES
     else if (sizeof(qreal) == sizeof(GLdouble))
         glMultMatrixd((GLdouble*)mat.constData());
+#endif
     else
     {
         GLfloat fmat[16];
         qreal const *r = mat.constData();
         for (int i = 0; i < 16; ++i)
             fmat[i] = r[i];
+        glMultMatrixf(fmat);
     }
 }
 
@@ -188,7 +191,7 @@ void Patch::draw() const
 {
     glPushMatrix();
     qMultMatrix(mat);
-    glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, faceColor);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, faceColor);
 
     const GLushort *indices = geom->faces.constData();
     glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, indices + start);