qt5: add mx5 and mx6 support

- this allow to build qt5 with OpenGL ES support for i.MX5 and i.MX6
- tested on i.MX51, i.MX53 and i.MX6Q
- X11 support is not yet tested so we don't change the core settings
  when x11 is in DISTRO_FEATURES

Change-Id: Ie9c6b25cafe20ba0a3dc8ab4c6e6cdac4eee3f0d
Signed-off-by: Eric Bénard <eric@eukrea.com>

2 files changed, 179 insertions, 0 deletions

diff --git a/qt5-layer/recipes-qt/qt5/qtbase/mx5/qeglfshooks_imx5.cpp b/qt5-layer/recipes-qt/qt5/qtbase/mx5/qeglfshooks_imx5.cpp
new file mode 100644
index 0000000..43e6d8d
--- /dev/null
+++ b/qt5-layer/recipes-qt/qt5/qtbase/mx5/qeglfshooks_imx5.cpp
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** hacked by Eric Bénard - Eukréa Electromatique
+** inspired from https://community.freescale.com/docs/DOC-94123
+** and from fbset.c http://users.telenet.be/geertu/Linux/fbdev/
+**
+** based on qeglfshooks_imx6.cpp which is :
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the qmake spec of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <fcntl.h>    /* For O_RDWR */
+#include <unistd.h>   /* For open(), creat() */
+#include "qeglfshooks.h"
+#include <EGL/egl.h>
+#include <linux/fb.h>
+#include <sys/ioctl.h>
+
+QT_BEGIN_NAMESPACE
+
+class QEglFSImx5Hooks : public QEglFSHooks
+{
+public:
+    QEglFSImx5Hooks();
+    virtual QSize screenSize() const;
+    virtual EGLNativeWindowType createNativeWindow(const QSize &size, const QSurfaceFormat &format);
+    virtual void destroyNativeWindow(EGLNativeWindowType window);
+
+private:
+    QSize mScreenSize;
+    EGLNativeDisplayType mNativeDisplay;
+};
+
+
+QEglFSImx5Hooks::QEglFSImx5Hooks()
+{
+    int width, height;
+    /* code taken from fbset.c */
+    int fh;
+    struct fb_var_screeninfo var;
+    fh = open("/dev/fb0", O_RDONLY);
+    ioctl(fh, FBIOGET_VSCREENINFO, &var);
+    mScreenSize.setHeight(var.yres);
+    mScreenSize.setWidth(var.xres);
+    close(fh);
+    mNativeDisplay = EGL_DEFAULT_DISPLAY;
+}
+
+QSize QEglFSImx5Hooks::screenSize() const
+{
+    return mScreenSize;
+}
+
+EGLNativeWindowType QEglFSImx5Hooks::createNativeWindow(const QSize &size, const QSurfaceFormat &format)
+{
+    Q_UNUSED(format);
+
+    EGLNativeWindowType eglWindow =  open("/dev/fb0", O_RDWR);
+    return eglWindow;
+}
+
+
+void QEglFSImx5Hooks::destroyNativeWindow(EGLNativeWindowType window)
+{
+    close(window);
+}
+
+QEglFSImx5Hooks eglFSImx5Hooks;
+QEglFSHooks *platformHooks = &eglFSImx5Hooks;
+
+QT_END_NAMESPACE
diff --git a/qt5-layer/recipes-qt/qt5/qtbase_5.0.2.bbappend b/qt5-layer/recipes-qt/qt5/qtbase_5.0.2.bbappend
new file mode 100644
index 0000000..33f0e8b
--- /dev/null
+++ b/qt5-layer/recipes-qt/qt5/qtbase_5.0.2.bbappend
@@ -0,0 +1,74 @@
+# Copyright (C) 2013 Eric Bénard - Eukréa Electromatique
+
+HAS_X11 = "${@base_contains('DISTRO_FEATURES', 'x11', 1, 0, d)}"
+
+GL_DEPENDS_mx6 = "${@base_contains('DISTRO_FEATURES', 'x11', '', 'virtual/libgles2 virtual/egl', d)}"
+QT_GLFLAGS_mx6 = "${@base_contains('DISTRO_FEATURES', 'x11', '', '-opengl es2 -eglfs', d)}"
+QT_EXAMPLES_mx6 = "-make examples"
+QT_DEMOS_mx6 = "-make demos"
+
+GL_DEPENDS_mx5 = "${@base_contains('DISTRO_FEATURES', 'x11', '', 'virtual/libgles2 virtual/egl', d)}"
+QT_GLFLAGS_mx5 = "${@base_contains('DISTRO_FEATURES', 'x11', '', '-opengl es2 -eglfs', d)}"
+QT_EXAMPLES_mx5 = "-make examples"
+QT_DEMOS_mx5 = "-make demos"
+
+TSLIB_DEPENDS_mx6 = "tslib"
+QT_TSLIB_mx6 = "-tslib"
+
+TSLIB_DEPENDS_mx5 = "tslib"
+QT_TSLIB_mx5 = "-tslib"
+
+PACKAGE_ARCH_mx6 = "${MACHINE_ARCH}"
+PACKAGE_ARCH_mx5 = "${MACHINE_ARCH}"
+
+FILESEXTRAPATHS_prepend_mx5 := "${THISDIR}/${PN}:"
+SRC_URI_append_mx5 += " \
+    file://qeglfshooks_imx5.cpp \
+    "
+
+do_configure_prepend_mx6() {
+    if test ${HAS_X11} -eq 0; then
+# adapt qmake.conf to our needs
+sed -i 's!load(qt_config)!!' ${S}/mkspecs/linux-oe-g++/qmake.conf
+cat >> ${S}/mkspecs/linux-oe-g++/qmake.conf <<EOF
+EGLFS_PLATFORM_HOOKS_SOURCES = \$\$PWD/qeglfshooks_imx6.cpp
+IMX6_CFLAGS             = -DLINUX=1 -DEGL_API_FB=1
+QMAKE_LIBS_EGL         += -lEGL
+QMAKE_LIBS_OPENGL_ES2  += -lGLESv2 -lEGL -lGAL
+QMAKE_LIBS_OPENVG      += -lOpenVG -lEGL -lGAL
+QMAKE_CFLAGS_RELEASE   += \$\$IMX6_CFLAGS
+QMAKE_CXXFLAGS_RELEASE += \$\$IMX6_CFLAGS
+QMAKE_CFLAGS_DEBUG   += \$\$IMX6_CFLAGS
+QMAKE_CXXFLAGS_DEBUG += \$\$IMX6_CFLAGS
+QMAKE_CFLAGS_EGL += \$\$IMX6_CFLAGS
+load(qt_config)
+
+EOF
+
+# copy the hook in the mkspecs directory OE is using
+cp ${S}/mkspecs/devices/linux-imx6-g++/qeglfshooks_imx6.cpp ${S}/mkspecs/linux-oe-g++/
+    fi
+}
+
+do_configure_prepend_mx5() {
+    if test ${HAS_X11} -eq 0; then
+# adapt qmake.conf to our needs
+sed -i 's!load(qt_config)!!' ${S}/mkspecs/linux-oe-g++/qmake.conf
+cat >> ${S}/mkspecs/linux-oe-g++/qmake.conf <<EOF
+EGLFS_PLATFORM_HOOKS_SOURCES = \$\$PWD/qeglfshooks_imx5.cpp
+IMX5_CFLAGS             = -D_LINUX
+QMAKE_LIBS_EGL         += -lEGL
+QMAKE_LIBS_OPENGL_ES2  += -lGLESv2 -lEGL
+QMAKE_LIBS_OPENVG      += -lOpenVG -lEGL
+QMAKE_CFLAGS_RELEASE   += \$\$IMX5_CFLAGS
+QMAKE_CXXFLAGS_RELEASE += \$\$IMX5_CFLAGS
+QMAKE_CFLAGS_DEBUG   += \$\$IMX5_CFLAGS
+QMAKE_CXXFLAGS_DEBUG += \$\$IMX5_CFLAGS
+QMAKE_CFLAGS_EGL += \$\$IMX5_CFLAGS
+load(qt_config)
+
+EOF
+
+cp ${WORKDIR}/qeglfshooks_imx5.cpp ${S}/mkspecs/linux-oe-g++/
+    fi
+}