Add experimental OpenKODE support

11 files changed, 874 insertions, 1 deletions

diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index c0e48903ac..0f51846399 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -188,7 +188,7 @@ bool QEglContext::createContext(QEglContext *shareContext, const QEglProperties
         }
     }
     if (ctx == EGL_NO_CONTEXT) {
-        ctx = eglCreateContext(dpy, cfg, 0, contextProps.properties());
+        ctx = eglCreateContext(dpy, cfg, EGL_NO_CONTEXT, contextProps.properties());
         if (ctx == EGL_NO_CONTEXT) {
             qWarning() << "QEglContext::createContext(): Unable to create EGL context:" << errorString(eglGetError());
             return false;
diff --git a/src/plugins/graphicssystems/openkode/frag.glslf b/src/plugins/graphicssystems/openkode/frag.glslf
new file mode 100644
index 0000000000..a593434a38
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/frag.glslf
@@ -0,0 +1,8 @@
+uniform sampler2D tex_samp;
+
+varying vec2 texcoord_var;
+
+void main()
+{
+    gl_FragColor = texture2D(tex_samp, texcoord_var);
+}
diff --git a/src/plugins/graphicssystems/openkode/frag.h b/src/plugins/graphicssystems/openkode/frag.h
new file mode 100644
index 0000000000..6575cb5c80
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/frag.h
@@ -0,0 +1,37 @@
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+0x6f,0x6f,0x72,0x64,0x5f,0x76,0x61,0x72,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
diff --git a/src/plugins/graphicssystems/openkode/main.cpp b/src/plugins/graphicssystems/openkode/main.cpp
new file mode 100644
index 0000000000..e9c10834b7
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/main.cpp
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <private/qgraphicssystemplugin_p.h>
+#include "qgraphicssystem_openkode.h"
+
+QT_BEGIN_NAMESPACE
+
+class QOpenKODEGraphicsSystemPlugin : public QGraphicsSystemPlugin
+{
+public:
+    QStringList keys() const;
+    QGraphicsSystem *create(const QString&);
+};
+
+QStringList QOpenKODEGraphicsSystemPlugin::keys() const
+{
+    QStringList list;
+    list << "OpenKODE";
+    return list;
+}
+
+QGraphicsSystem* QOpenKODEGraphicsSystemPlugin::create(const QString& system)
+{
+    if (system.toLower() == "openkode")
+        return new QOpenKODEGraphicsSystem;
+
+    return 0;
+}
+
+Q_EXPORT_PLUGIN2(openkode, QOpenKODEGraphicsSystemPlugin)
+
+QT_END_NAMESPACE
diff --git a/src/plugins/graphicssystems/openkode/openkode.pro b/src/plugins/graphicssystems/openkode/openkode.pro
new file mode 100644
index 0000000000..f8f0bcb5d1
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/openkode.pro
@@ -0,0 +1,14 @@
+TARGET = qopenkodegraphicssystem
+include(../../qpluginbase.pri)
+
+QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/graphicssystems
+
+SOURCES = main.cpp qgraphicssystem_openkode.cpp qwindowsurface_openkode.cpp
+HEADERS = qgraphicssystem_openkode.h qwindowsurface_openkode.h
+
+target.path += $$[QT_INSTALL_PLUGINS]/graphicssystems
+INSTALLS += target
+
+# openkode specific stuff
+INCLUDEPATH += $(OPENKODE_DIR)/include
+LIBS += $${QMAKE_RPATH}/$(OPENKODE_DIR)/lib-target -L$(OPENKODE_DIR)/lib-target -lKD -lEGL -lGLESv2_CM
diff --git a/src/plugins/graphicssystems/openkode/qgraphicssystem_openkode.cpp b/src/plugins/graphicssystems/openkode/qgraphicssystem_openkode.cpp
new file mode 100644
index 0000000000..51364e4c71
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/qgraphicssystem_openkode.cpp
@@ -0,0 +1,237 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgraphicssystem_openkode.h"
+#include "qwindowsurface_openkode.h"
+#include <QtGui/private/qpixmap_raster_p.h>
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qthread.h>
+
+#include <KD/kd.h>
+#include <KD/NV_display.h>
+#include <KD/NV_initialize.h>
+
+#include "GLES2/gl2ext.h"
+
+
+QT_BEGIN_NAMESPACE
+
+QOpenKODEGraphicsSystemScreen::QOpenKODEGraphicsSystemScreen()
+{
+    KDDesktopNV *kdDesktop = KD_NULL;
+    KDDisplayNV *kdDisplay = KD_NULL;
+
+    qDebug() << "QOpenKODEGraphicsSystemScreen::QOpenKODEGraphicsSystemScreen()";
+
+    // Get the default desktop and display
+    kdDesktop = kdGetDesktopNV(KD_DEFAULT_DESKTOP_NV, KD_NULL);
+    if (!kdDesktop || kdDesktop == (void*)-1) {
+        qErrnoWarning(kdGetError(), "Could not obtain KDDesktopNV pointer");
+        return;
+    }
+
+    kdDisplay = kdGetDisplayNV(KD_DEFAULT_DISPLAY_NV, KD_NULL);
+    if (!kdDisplay || kdDisplay == (void*)-1) {
+        qErrnoWarning(kdGetError(), "Could not obtain KDDisplayNV pointer");
+        kdReleaseDesktopNV(kdDesktop);
+        return;
+    }
+
+    KDDisplayModeNV mode;
+    if (kdGetDisplayModeNV(kdDisplay, &mode)) {
+        qErrnoWarning(kdGetError(), "Could not get display mode");
+        return;
+    }
+
+    qDebug() << " - display mode " << mode.width << "x" << mode.height << " refresh " << mode.refresh;
+
+    KDint desktopSize[] = { mode.width, mode.height };
+
+    if (kdSetDesktopPropertyivNV(kdDesktop, KD_DESKTOPPROPERTY_SIZE_NV, desktopSize)) {
+        qErrnoWarning(kdGetError(), "Could not set desktop size");
+        return;
+    }
+
+    // Once we've set up the desktop and display we don't need them anymore
+//    kdReleaseDisplayNV(kdDisplay); TODO!!!
+    kdReleaseDesktopNV(kdDesktop);
+
+    const int defaultDpi = 72;
+    mGeometry = QRect(0, 0, mode.width, mode.height);
+    mPhysicalSize = QSize(mode.width * 25.4 / defaultDpi, mode.height * 25.4 / defaultDpi);
+
+    mDepth = 24;
+    mFormat = QImage::Format_RGB888;
+
+    if (!mContext.openDisplay(0)) {
+        qWarning("qEglContext: Unable to open display!");
+        return;
+    }
+
+    qDebug() << " - QEglContext::openDisplay OK";
+
+    QEglProperties properties;
+    properties.setPixelFormat(QImage::Format_RGB888);
+    properties.setValue(EGL_BUFFER_SIZE, EGL_DONT_CARE);
+    properties.setRenderableType(QEgl::OpenGL);
+
+    if (!mContext.chooseConfig(properties, QEgl::BestPixelFormat)) {
+        qWarning("qEglContext: Unable to choose config!");
+        return;
+    }
+
+    qDebug() << " - QEglContext::openDisplay OK";
+}
+
+static GLuint NvKdTestLoadShaders(const char *vertex_shader_binary,
+                    const char *fragment_shader_binary,
+                    GLuint vertex_shader_binary_size,
+                    GLuint fragment_shader_binary_size)
+{
+    GLuint prog;
+    GLuint vertShader;
+    GLuint fragShader;
+
+    // Create the program
+    prog = glCreateProgram();
+
+    // Create the GL shader objects
+    vertShader = glCreateShader(GL_VERTEX_SHADER);
+    fragShader = glCreateShader(GL_FRAGMENT_SHADER);
+
+    // Load the binary data into the shader objects
+    glShaderBinary(1, &vertShader,
+                   GL_NVIDIA_PLATFORM_BINARY_NV, vertex_shader_binary, vertex_shader_binary_size);
+    glShaderBinary(1, &fragShader,
+                   GL_NVIDIA_PLATFORM_BINARY_NV, fragment_shader_binary, fragment_shader_binary_size);
+
+    // Attach the shaders to the program
+    glAttachShader(prog, vertShader);
+    glAttachShader(prog, fragShader);
+
+    // Delete the shaders
+    glDeleteShader(vertShader);
+    glDeleteShader(fragShader);
+
+    // Link and validate the shader program
+    glLinkProgram(prog);
+    glValidateProgram(prog);
+
+    return prog;
+}
+
+class QOpenKODEEventLoopHelper : public QThread
+{
+public:
+    QOpenKODEEventLoopHelper(QSemaphore *m)
+            : eventMutex(m)
+    {
+        m->acquire();
+    }
+
+protected:
+    void run()
+    {
+        qDebug() << "initializing KD";
+        kdInitializeNV();
+        qDebug() << "done initializing KD";
+        eventMutex->release();
+
+        const KDEvent *event;
+        while ((event = kdWaitEvent(-1)) != 0) {
+            qDebug() << "!!! received event!";
+            kdDefaultEvent(event);
+        }
+
+        qDebug() << "exiting event loop";
+    }
+
+private:
+    QSemaphore *eventMutex;
+};
+
+QOpenKODEGraphicsSystem::QOpenKODEGraphicsSystem()
+    : eventMutex(1)
+{
+    QOpenKODEEventLoopHelper *loop = new QOpenKODEEventLoopHelper(&eventMutex);
+    loop->start();
+    eventMutex.acquire(); // block until initialization done
+
+    mPrimaryScreen = new QOpenKODEGraphicsSystemScreen();
+
+    mScreens.append(mPrimaryScreen);
+
+}
+
+QPixmapData *QOpenKODEGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const
+{
+    return new QRasterPixmapData(type);
+}
+
+QWindowSurface *QOpenKODEGraphicsSystem::createWindowSurface(QWidget *widget) const
+{
+    return new QOpenKODEWindowSurface(mPrimaryScreen, widget);
+}
+
+GLuint QOpenKODEGraphicsSystem::blitterProgram()
+{
+    static GLuint shaderProgram = 0;
+    if (!shaderProgram) {
+
+        const char vertShaderBinary[] = {
+#   include "vert.h"
+        };
+        const char fragShaderBinary[] = {
+#   include "frag.h"
+        };
+
+        shaderProgram = NvKdTestLoadShaders(vertShaderBinary, fragShaderBinary,
+                    sizeof(vertShaderBinary), sizeof(fragShaderBinary));
+
+        if (!shaderProgram)
+            qFatal("QOpenKodeGraphicsSystem(): Cannot load shaders!");
+    }
+    return shaderProgram;
+}
+
+
+QT_END_NAMESPACE
diff --git a/src/plugins/graphicssystems/openkode/qgraphicssystem_openkode.h b/src/plugins/graphicssystems/openkode/qgraphicssystem_openkode.h
new file mode 100644
index 0000000000..972c42ece8
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/qgraphicssystem_openkode.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSSYSTEM_OPENKODE_H
+#define QGRAPHICSSYSTEM_OPENKODE_H
+
+#include <QtCore/qsemaphore.h>
+
+#include <QtGui/private/qgraphicssystem_p.h>
+#include <QtGui/private/qegl_p.h>
+
+# include <GLES2/gl2.h>
+
+QT_BEGIN_NAMESPACE
+
+struct KDDesktopNV;
+
+class QOpenKODEGraphicsSystemScreen : public QGraphicsSystemScreen
+{
+public:
+    QOpenKODEGraphicsSystemScreen();
+    ~QOpenKODEGraphicsSystemScreen() {}
+
+    QRect geometry() const { return mGeometry; }
+    int depth() const { return mDepth; }
+    QImage::Format format() const { return mFormat; }
+    QSize physicalSize() const { return mPhysicalSize; }
+
+public:
+    QRect mGeometry;
+    int mDepth;
+    QImage::Format mFormat;
+    QSize mPhysicalSize;
+    QEglContext mContext;
+};
+
+class QOpenKODEGraphicsSystem : public QGraphicsSystem
+{
+public:
+    QOpenKODEGraphicsSystem();
+
+    QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
+    QWindowSurface *createWindowSurface(QWidget *widget) const;
+
+    QList<QGraphicsSystemScreen *> screens() const { return mScreens; }
+
+    static GLuint blitterProgram();
+
+private:
+    QOpenKODEGraphicsSystemScreen *mPrimaryScreen;
+    QList<QGraphicsSystemScreen *> mScreens;
+    QSemaphore eventMutex;
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/plugins/graphicssystems/openkode/qwindowsurface_openkode.cpp b/src/plugins/graphicssystems/openkode/qwindowsurface_openkode.cpp
new file mode 100644
index 0000000000..33c76e4d32
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/qwindowsurface_openkode.cpp
@@ -0,0 +1,256 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwindowsurface_openkode.h"
+#include "qgraphicssystem_openkode.h"
+#include <QtCore/qdebug.h>
+
+#include "KD/kd.h"
+#include "KD/NV_display.h"
+
+QT_BEGIN_NAMESPACE
+
+QOpenKODEWindowSurface::QOpenKODEWindowSurface
+        (QOpenKODEGraphicsSystemScreen *screen, QWidget *window)
+    : QWindowSurface(window),
+      mScreen(screen)
+{
+    qDebug() << "QOpenKODEWindowSurface::QOpenKODEWindowSurface:" << window << window->width() << "x" << window->height()
+            << "pos" << window->x() << "x" << window->y();
+
+    if (!mContext.openDisplay(0)) {
+        qWarning("qEglContext: Unable to open display!");
+        return;
+    }
+
+    QEglProperties properties;
+    properties.setPixelFormat(QImage::Format_RGB888);
+    properties.setValue(EGL_BUFFER_SIZE, EGL_DONT_CARE);
+    properties.setRenderableType(QEgl::OpenGL);
+
+    if (!mContext.chooseConfig(properties, QEgl::BestPixelFormat)) {
+        qWarning("qEglContext: Unable to choose config!");
+        return;
+    }
+
+    createWindow(window);
+}
+
+void QOpenKODEWindowSurface::createWindow(QWidget *window)
+{
+    kdWindow = kdCreateWindow(mContext.display(), mContext.config(), KD_NULL);
+
+    if (!kdWindow) {
+        qErrnoWarning(kdGetError(), "Error creating native window");
+        return;
+    }
+
+    const KDint windowSize[2]  = { window->width(), window->height() };
+    if (kdSetWindowPropertyiv(kdWindow, KD_WINDOWPROPERTY_SIZE, windowSize)) {
+        qErrnoWarning(kdGetError(), "Could not set native window size");
+        return;
+    }
+
+    const KDboolean windowExclusive[] = { false };
+    if (kdSetWindowPropertybv(kdWindow, KD_WINDOWPROPERTY_DESKTOP_EXCLUSIVE_NV, windowExclusive)) {
+        qErrnoWarning(kdGetError(), "Could not set exclusive bit");
+        return;
+    }
+
+    const KDint windowPos[2] = { window->x(), window->y() };
+    if (kdSetWindowPropertyiv(kdWindow, KD_WINDOWPROPERTY_DESKTOP_OFFSET_NV, windowPos)) {
+        qErrnoWarning(kdGetError(), "Could not set native window position");
+        return;
+    }
+
+    EGLNativeWindowType nativeWindow;
+
+    if (kdRealizeWindow(kdWindow, &nativeWindow)) {
+        qErrnoWarning(kdGetError(), "Could not realize native window");
+        return;
+    }
+
+    // Create an EGL window surface for the native window
+    EGLint windowAttrs[3] = { EGL_NONE };
+    EGLSurface eglSurface = eglCreateWindowSurface(mContext.display(),
+                                        mContext.config(),
+                                        nativeWindow,
+                                        windowAttrs);
+    if (!eglSurface) {
+        qWarning("EGL couldn't create window surface: 0x%x", eglGetError());
+        return;
+    }
+
+    mContext.setSurface(eglSurface);
+
+    if (!mContext.createContext()) {
+        qDebug() << "Unable to create context!";
+        return;
+    }
+}
+
+QOpenKODEWindowSurface::~QOpenKODEWindowSurface()
+{
+}
+
+QPaintDevice *QOpenKODEWindowSurface::paintDevice()
+{
+    //qDebug() << "QOpenKODEWindowSurface::paintDevice";
+    return &mImage;
+}
+
+// ### TODO - this updates the entire toplevel, should only update the region
+void QOpenKODEWindowSurface::flush(QWidget *widget, const QRegion &region, const QPoint &offset)
+{
+    if (!offset.isNull()) {
+        qWarning("Offset flushing not supported yet");
+        return;
+    }
+
+    if (!mContext.makeCurrent()) {
+        qWarning("EGL couldn't make context/surface current: 0x%x", eglGetError());
+        return;
+    }
+
+    QRect boundingRect = region.boundingRect();
+
+    int x, y, w, h;
+    QImage blitImage;
+    if (true || boundingRect == mImage.rect()) { // TODO - check optimization
+        blitImage = mImage;
+        x = y = 0;
+        w = mImage.width();
+        h = mImage.height();
+    } else {
+        blitImage = mImage.copy(boundingRect);
+        w = boundingRect.width();
+        h = boundingRect.height();
+        x = boundingRect.x();
+        y = boundingRect.y();
+    }
+
+//    qDebug() << "flush" << widget << offset << region.boundingRect() << mImage.format() << blitImage.format();
+
+    GLuint shaderProgram = QOpenKODEGraphicsSystem::blitterProgram();
+
+    glUseProgram(shaderProgram);
+
+    GLuint index = glGetUniformLocation(shaderProgram, "window");
+    glUniform2f(index, GLfloat(mImage.width()), GLfloat(mImage.height()));
+
+    // attributes
+    GLuint posId      = glGetAttribLocation(shaderProgram, "pos_attr");
+    GLuint texcoordId = glGetAttribLocation(shaderProgram, "texcoord_attr");
+
+    // sampler
+    index = glGetUniformLocation(shaderProgram, "tex_samp");
+
+    glUniform1i(index, 0);
+
+    glDisable(GL_DEPTH_TEST);
+    glActiveTexture(GL_TEXTURE0);
+
+    GLuint texId;
+    GLfloat coords[8] = {x, y, x, y + h, x + w, y + h, x + w, y };
+    GLfloat texcoords[8] = { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0 };
+
+    // Generate texture for checkered background
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+    glGenTextures(1, &texId);
+    glBindTexture(GL_TEXTURE_2D, texId);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, blitImage.bits());
+
+    // Enable vertex attribute associated with vertex position
+    glEnableVertexAttribArray(posId);
+    glEnableVertexAttribArray(texcoordId);
+
+    // Set the quad vertices
+    glVertexAttribPointer(posId, 2, GL_FLOAT, 0, 0, coords);
+    glVertexAttribPointer(texcoordId, 2, GL_FLOAT, 0, 0, texcoords);
+
+    // Draw the quad
+    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+    // Cleanup
+    glDisableVertexAttribArray(posId);
+    glDisableVertexAttribArray(texcoordId);
+
+    // Release all textures
+    glBindTexture(GL_TEXTURE_2D, 0);
+    if (texId)
+        glDeleteTextures(1, &texId);
+
+    mContext.swapBuffers();
+    mContext.doneCurrent();
+}
+
+void QOpenKODEWindowSurface::setGeometry(const QRect &rect)
+{
+    qDebug() << "QOpenKODEWindowSurface::setGeometry:" << rect;
+    QWindowSurface::setGeometry(rect);
+    if (mImage.size() != rect.size())
+        mImage = QImage(rect.size(), mScreen->format());
+
+    mContext.destroySurface();
+    kdDestroyWindow(kdWindow);
+    createWindow(window());
+}
+
+bool QOpenKODEWindowSurface::scroll(const QRegion &area, int dx, int dy)
+{
+    return QWindowSurface::scroll(area, dx, dy);
+}
+
+void QOpenKODEWindowSurface::beginPaint(const QRegion &region)
+{
+    Q_UNUSED(region);
+}
+
+void QOpenKODEWindowSurface::endPaint(const QRegion &region)
+{
+    Q_UNUSED(region);
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/graphicssystems/openkode/qwindowsurface_openkode.h b/src/plugins/graphicssystems/openkode/qwindowsurface_openkode.h
new file mode 100644
index 0000000000..1c70f55c61
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/qwindowsurface_openkode.h
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSURFACE_OPENKODE_H
+#define QWINDOWSURFACE_OPENKODE_H
+
+#include <QtGui/private/qwindowsurface_p.h>
+#include <QtGui/private/qegl_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenKODEGraphicsSystemScreen;
+
+class QOpenKODEWindowSurface : public QWindowSurface
+{
+public:
+    QOpenKODEWindowSurface
+        (QOpenKODEGraphicsSystemScreen *screen, QWidget *window);
+    ~QOpenKODEWindowSurface();
+
+    QPaintDevice *paintDevice();
+    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
+    void setGeometry(const QRect &rect);
+    bool scroll(const QRegion &area, int dx, int dy);
+
+    void beginPaint(const QRegion &region);
+    void endPaint(const QRegion &region);
+
+private:
+    QOpenKODEGraphicsSystemScreen *mScreen;
+    QImage mImage;
+    struct KDWindow *kdWindow;
+    QEglContext mContext;
+
+    void createWindow(QWidget *window);
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/plugins/graphicssystems/openkode/vert.glslv b/src/plugins/graphicssystems/openkode/vert.glslv
new file mode 100644
index 0000000000..57b58669c9
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/vert.glslv
@@ -0,0 +1,14 @@
+uniform vec2 window; // window size
+
+// Per-vertex attributes]
+attribute vec2 pos_attr;
+attribute vec2 texcoord_attr;
+
+// Output vertex color
+varying vec2 texcoord_var;
+
+void main()
+{
+    gl_Position = vec4( (2.0 * pos_attr / window -1.0) * vec2(1.0, -1.0), 0.0, 1.0);
+    texcoord_var = texcoord_attr;
+}
diff --git a/src/plugins/graphicssystems/openkode/vert.h b/src/plugins/graphicssystems/openkode/vert.h
new file mode 100644
index 0000000000..bdf564d3ff
--- /dev/null
+++ b/src/plugins/graphicssystems/openkode/vert.h
@@ -0,0 +1,63 @@
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