View source for Broadcom97425/BCM7425-Qt4dot8-eglnullws-QWS

h1. Building AppLibs/RefSW for Qt

# Locate document named '''&quot;BroadcomReferencePlatformSetup.pdf&amp;quot;''' (Usually this will be inside a tar ball named on the lines of refsw_release_&lt;chip-name&amp;gt;''&lt;date&amp;gt;.tgz)<br /># Follow the instructions in '''&quot;BroadcomReferencePlatformSetup.pdf&amp;quot;''' to setup the Linux build machine<br /># Locate document named '''&quot;AppLibsInstallationBuildGuide.pdf&amp;quot;''' (Usually this will be inside a tar ball named on the lines of applibs_release''&lt;date&amp;gt;.tgz)
# Follow the instructions in '''&quot;AppLibsInstallationBuildGuide.pdf&amp;quot;''' to build Applibs

= Qt 4.8 eglnullws / QWS =

This details steps to build Qt with Qt's OpenGL graphics driver.&lt;br&amp;gt;<br />This OpenGL graphics driver supports execution of Single Qt app that uses QGLWidget as full-screen (examples/opengl/hello_gles2)<br /># Obtain qt-4.8.0 release from [http://get.qt.nokia.com/qt/source/qt-everywhere-opensource-src-4.8.0.tar.gz Qt Download site] and extract it in a working folder<br /># Obtain 7425 specific files from [http://gitorious.org/qt-platform-mkspecs qt-platform-mkspecs git ] (look for folder &quot;4.8&amp;quot;)<br /># Copy folder named &quot;linux-7425nxs-mipsel-uclibc-g+''&quot; to &lt;qt-4.8.0-sources&amp;gt;/mkspecs/qws<br /># Set following environment variables in the shell before configuring/building Qt,<br />'''''' BCM_APPLIBS_PATH=&lt;path-till-Applibs-folder&amp;gt;/AppLibs<br />'''''' BCM_NEXUS_PATH=&lt;path-till-Applibs-folder&amp;gt;/nexus<br />'''''' DEBUG=n<br /><code><br />$ export BCM_APPLIBS_PATH=/home/qtnokia/WorkDir/97425-P1/stb-rs_p2-al_p2dot1/AppLibs<br />$ export BCM_NEXUS_PATH=/home/qtnokia/WorkDir/97425-P1/stb-rs_p2-al_p2dot1/nexus<br /></code>
<br /># Apply patch &quot;7425nxs-eglnullws.patch&amp;quot; to eglnullws Qt GFX Driver located at &lt;qt-4.8.0-sources&amp;gt;/src/plugins/gfxdrivers/eglnullws<br /><code><br />$ cd &lt;qt-4.8.0-sources&amp;gt;/src/plugins/gfxdrivers/eglnullws<br />$ patch -p5 &lt; 7425nxs-eglnullws.patch<br /></code>
<br /># Configure Qt as,<br /><code><br />$ configure -embedded mips -xplatform qws/linux-7425nxs-mipsel-uclibc-g''+ -depths 16,24,32 -no-largefile -no-accessibility -opensource -verbose -system-zlib -system-libpng -system-libjpeg -system-freetype -fast -plugin-gfx-eglnullws -qt-gfx-vnc -opengl -webkit -confirm-license -release -make libs -xmlpatterns -exceptions -no-qt3support <s>prefix /usr/local/qt-installs/qt480ga-nxs-qws-rel<br /></code>
<br /># Build Qt as,<br /><code><br />$ make<br /></code>
<br /># Install Qt on host as,<br /><code><br />$ make install<br /></code>

<br />h1. Building Qt apps
<br /># After the Qt build succeeds, set following environment variables on host before building any fullscreen OpenGL Qt App for the above build,<br />'''''' QTDIR=/usr/local/qt-installs/qt480ga-nxs-qws-rel<br />'''''' PATH=/usr/local/qt-installs/qt480ga-nxs-qws-rel/bin:$PATH
<br /># Ensure that following environment variables in the shell are set,<br />'''''' BCM_APPLIBS_PATH=&lt;path-till-Applibs-folder&amp;gt;/AppLibs<br />'''''' BCM_NEXUS_PATH=&lt;path-till-Applibs-folder&amp;gt;/nexus<br />'''''' BCM_TARGET_LIBDIR=&lt;path-till-nfsrootfs-base-folder&amp;gt;/romfs/lib<br />'''''' DEBUG=n
<br /># Invoke qmake on the applications .pro file &amp;#40;&lt;qt-4.8.0-sources&amp;gt;/examples/opengl/hello_gles2&amp;amp;#41;<br /><code><br />$ qmake &lt;application&amp;gt;.pro<br /></code>
<br /># Build the application sources as,<br /><code><br />$ make<br /></code>
<br />h1. Running Qt apps on target
<br /># Ensure that folder &quot;qt-installs/qt480ga-nxs-qws-rel&amp;quot; is copied on target file system at &quot;/usr/local&amp;quot;<br />'''''' Note</s> after copying, the path should appear as &quot;/usr/local/qt-installs/qt480ga-nxs-qws-rel&amp;quot;<br /># Copy the application binary and other required resource files on target file-system, say &quot;/root&amp;quot;<br /># Locate a shell script named &quot;start&amp;quot; in &quot;/bin&amp;quot; folder on target.<br /># Copy it in your app folder and edit the paths inside it.<br /># Launch application using same &quot;start&amp;quot; script as,<br /><code><br /># ./start /root/app1/app1 -qws -display eglnullws<br /></code>