device: Introduce hooks for the directfb plugin and use them

The EGL integration is vendor specific, add platform hooks to the
DirectFB plugin and implement them for the Broadcom 97425. The hook
interface is internal and there are no ABI/API gurantees.

Change-Id: I33359830c51f16895e771837fccb71e03c81cf18
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>

2 files changed, 75 insertions, 0 deletions

diff --git a/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qdirectfbeglhooks_bcm97425.cpp b/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qdirectfbeglhooks_bcm97425.cpp
new file mode 100644
index 0000000000..16aee0c4f7
--- /dev/null
+++ b/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qdirectfbeglhooks_bcm97425.cpp
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the qmake spec of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdirectfbeglhooks.h"
+#include "qdirectfbconvenience.h"
+
+#include "default_directfb.h"
+
+// Exported to the directfb plugin
+QDirectFBEGLHooks platform_hook;
+static void *dbpl_handle;
+
+void QDirectFBEGLHooks::platformInit()
+{
+    DBPL_RegisterDirectFBDisplayPlatform(&dbpl_handle, QDirectFbConvenience::dfbInterface());
+}
+
+void QDirectFBEGLHooks::platformDestroy()
+{
+    DBPL_UnregisterDirectFBDisplayPlatform(&dbpl_handle);
+    dbpl_handle = 0;
+}
+
+bool QDirectFBEGLHooks::hasCapability(QPlatformIntegration::Capability cap) const
+{
+    switch (cap) {
+    case QPlatformIntegration::ThreadedOpenGL:
+        return true;
+    default:
+        return false;
+    }
+}
+
diff --git a/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qmake.conf b/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qmake.conf
index 866fad639b..ced323feba 100644
--- a/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qmake.conf
+++ b/mkspecs/devices/linux-mipsel-broadcom-97425-g++/qmake.conf
@@ -62,4 +62,8 @@ DIRECTFB_LIBS           = -L$${BRCM_APPLIBS_PATH}/opensource/directfb/bin/Direct
 
 QMAKE_LFLAGS            += -Wl,-rpath-link,$$QMAKE_LIBDIR_OPENGL_ES2  -Wl,-rpath-link,$${BRCM_APPLIBS_PATH}/opensource/zlib/zlib-1.2.3
 
+# DirectFB platform hooks for this hardware
+QT_CONFIG += directfb_egl
+DIRECTFB_PLATFORM_HOOKS_SOURCES = $$PWD/qdirectfbeglhooks_bcm97425.cpp
+
 load(qt_config)