Add eglfs-viv support for INTEGRITY

Change-Id: I5ea23eeac930dcc628047e3322061d543bddb643
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Nikola Velinov <nvelinov@ghs.com>

config.tests/qpa/eglfs-viv/eglfs-viv.cpp

@@ -42,8 +42,12 @@
 
 int main(int, char **)
 {
+#if defined(__INTEGRITY)
+    fbGetDisplay();
+#else
     // Do not rely on fbGetDisplay() since the signature has changed over time.
     // Stick to fbGetDisplayByIndex().
     fbGetDisplayByIndex(0);
+#endif
     return 0;
 }

src/gui/opengl/qopenglshaderprogram.cpp

@@ -3739,6 +3739,11 @@ QOpenGLProgramBinarySupportCheck::QOpenGLProgramBinarySupportCheck(QOpenGLContex
     : QOpenGLSharedResource(context->shareGroup()),
       m_supported(false)
 {
+// Shader cache is disabled for INTEGRITY as the driver doesn't handle
+// unaligned data.
+#if defined(Q_OS_INTEGRITY)
+    return;
+#endif
     if (QCoreApplication::testAttribute(Qt::AA_DisableShaderDiskCache)) {
         qCDebug(DBG_SHADER_CACHE, "Shader cache disabled via app attribute");
         return;

src/plugins/platforms/eglfs/deviceintegration/eglfs_viv/qeglfsvivintegration.cpp

@@ -63,9 +63,11 @@ void QEglFSVivIntegration::platformInit()
 
 #ifdef Q_OS_INTEGRITY
     VivanteInit();
+    mNativeDisplay = fbGetDisplay();
+#else
+    mNativeDisplay = fbGetDisplayByIndex(framebufferIndex());
 #endif
 
-    mNativeDisplay = fbGetDisplayByIndex(framebufferIndex());
     fbGetDisplayGeometry(mNativeDisplay, &width, &height);
     mScreenSize.setHeight(height);
     mScreenSize.setWidth(width);