Make the gles3 example more impressive

Add some extra rotations and offsets, to show off the power of
what you can do with a single draw call. Also use QGLWindow instead
of QGLWidget. This improves performance from 23 FPS to 30 FPS on a
4k monitor with integrated Intel graphics.

Change-Id: Iedac1c14cc6057959aa15faaacdf29da91f36ab1
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/examples/opengl/hellogles3/main.cpp b/examples/opengl/hellogles3/main.cpp
index 3125623395..f0de28bdc4 100644
--- a/examples/opengl/hellogles3/main.cpp
+++ b/examples/opengl/hellogles3/main.cpp
@@ -38,11 +38,11 @@
 **
 ****************************************************************************/
 
-#include <QApplication>
+#include <QGuiApplication>
 #include <QSurfaceFormat>
 #include <QOpenGLContext>
 
-#include "mainwindow.h"
+#include "glwindow.h"
 
 // This example demonstrates easy, cross-platform usage of OpenGL ES 3.0 functions via
 // QOpenGLExtraFunctions in an application that works identically on desktop platforms
@@ -69,10 +69,10 @@ int main(int argc, char *argv[])
 
     QSurfaceFormat::setDefaultFormat(fmt);
 
-    QApplication app(argc, argv);
+    QGuiApplication app(argc, argv);
 
-    MainWindow mainWindow;
-    mainWindow.showMaximized();
+    GLWindow glWindow;
+    glWindow.showMaximized();
 
     return app.exec();
 }