Merge branch 'staging-master' of scm.dev.nokia.troll.no:qt/qt-lighthouse into master-integration

* 'staging-master' of scm.dev.nokia.troll.no:qt/qt-lighthouse: (101 commits)
  Fixes detected by the static-check
  Fixup license headers in Lighthouse plugins
  Mac: add autorelease pools to create_sys
  Don't skip remaining events on unhandled events in xcb backend.
  Lighthouse: Xcb, compile fix for the glx path
  Lighthouse: Make sure we don't use xkbcommon
  Lighthouse: Add pkg-config check for opengl es2
  Rename qnaclunimplemented -> qfunctions_nacl
  Rename qconfig-minimal-system-depenencies.h
  Add QT_NO_FILESYSTEMITERATOR.
  Add QT_NO_DYNAMIC_LIBRARY.
  Compile.
  NaCl: Dont force release builds.
  NaCl: disable libtiff.
  posix platformdefs: Add QT_NO_SOCKET_H.
  qpnghandler: Compile with QT_NO_IMAGE_TEXT.
  Lighthouse: Support Q_NO_CLIPBOARD.
  Compile.
  Fix CoreServices framework addition for qpa.
  Update NaCl mkspecs.
  ...

2 files changed, 25 insertions, 5 deletions

diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 6e13324..34804e5 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -71,6 +71,10 @@
 # include "private/qpixmap_mac_p.h"
 #endif
 
+#ifdef Q_WS_QPA
+# include "qplatformintegration_qpa.h"
+#endif
+
 #if defined(Q_WS_X11)
 # include "qx11info_x11.h"
 # include <private/qt_x11_p.h>
@@ -98,12 +102,26 @@ static bool qt_pixmap_thread_test()
         qFatal("QPixmap: Must construct a QApplication before a QPaintDevice");
         return false;
     }
-#ifndef Q_WS_WIN
-    if (!QApplication::testAttribute(Qt::AA_X11InitThreads) && qApp->thread() != QThread::currentThread()) {
-        qWarning("QPixmap: It is not safe to use pixmaps outside the GUI thread");
-        return false;
-    }
+
+    if (qApp->thread() != QThread::currentThread()) {
+        bool fail = false;
+#if defined (Q_WS_X11)
+        if (!QApplication::testAttribute(Qt::AA_X11InitThreads))
+            fail = true;
+#elif defined (Q_WS_QPA)
+        if (!QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::ThreadedPixmaps)) {
+            printf("Lighthouse plugin does not support threaded pixmaps!\n");
+            fail = true;
+        }
+#else
+        if (QApplicationPrivate::graphics_system_name != QLatin1String("raster"))
+            fail = true;
 #endif
+        if (fail) {
+            qWarning("QPixmap: It is not safe to use pixmaps outside the GUI thread");
+            return false;
+        }
+    }
     return true;
 }
 
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index a9aad51..7e0355a 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -492,8 +492,10 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage)
     outImage->setDotsPerMeterX(png_get_x_pixels_per_meter(png_ptr,info_ptr));
     outImage->setDotsPerMeterY(png_get_y_pixels_per_meter(png_ptr,info_ptr));
 
+#ifndef QT_NO_IMAGE_TEXT
     for (int i = 0; i < readTexts.size()-1; i+=2)
         outImage->setText(readTexts.at(i), readTexts.at(i+1));
+#endif
 
     state = ReadingEnd;
     png_read_end(png_ptr, end_info);