Use float throughout the Qt3D module for consistency and performance

This commit changes the API of all classes in this module to use float
rather than qreal. This makes the API consistent across platforms and
improves floating point performance.

Change-Id: I95ae65cb31428748e066d5efca059ce24087fafa
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Sarah Jane Smith <sez@storybridge.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/tools/qt3d/qglinfo/fpswidget.cpp b/tools/qt3d/qglinfo/fpswidget.cpp
index 8d8bff4c0..ac4dd232c 100644
--- a/tools/qt3d/qglinfo/fpswidget.cpp
+++ b/tools/qt3d/qglinfo/fpswidget.cpp
@@ -198,8 +198,8 @@ void FPSWidget::resizeGL(int w, int h)
     glLoadIdentity();
 #endif
     int side = qMin(w, h);
-    qreal ws = (qreal)w / (qreal)side;
-    qreal hs = (qreal)h / (qreal)side;
+    float ws = float(w) / float(side);
+    float hs = float(h) / float(side);
 #if defined(QT_OPENGL_ES_2)
     projection.setToIdentity();
     projection.ortho(-ws, ws, -hs, hs, -10.0f, 10.0f);
@@ -253,7 +253,7 @@ void FPSWidget::paintGL()
     program.disableAttributeArray(vertexAttr);
     program.disableAttributeArray(normalAttr);
 #endif
-    QString framesPerSecond = QString::fromLatin1("%1 fps").arg(1000.0f / ((qreal)totalFrameTime / (qreal)frameCount));
+    QString framesPerSecond = QString::fromLatin1("%1 fps").arg(1000.0f / (float(totalFrameTime) / float(frameCount)));
 }
 
 void FPSWidget::animate()
@@ -268,7 +268,7 @@ void FPSWidget::animate()
         {
             frameCount += 1;
             totalFrameTime += frameElapsed;
-            emit fps(1000.0f / ((qreal)frameTime->elapsed() / (qreal)frameCount));
+            emit fps(1000.0f / (float(frameTime->elapsed()) / float(frameCount)));
             xrot = (xrot + adv) % 360;
             yrot = (xrot + adv) % 360;
             zrot = (xrot + adv) % 360;