1 files changed, 362 insertions, 0 deletions
diff --git a/src/opengl/qgl_symbian.cpp b/src/opengl/qgl_symbian.cpp
new file mode 100644
index 0000000..73fe4c9
--- /dev/null
+++ b/src/opengl/qgl_symbian.cpp
@@ -0,0 +1,362 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "qgl.h"
+#include <coemain.h>
+#include <coecntrl.h>
+#include <w32std.h>
+#include <private/qpixmap_s60_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
+#include <private/qgl_p.h>
+#include <private/qpaintengine_opengl_p.h>
+#include <private/qwidget_p.h> // to access QWExtra
+#include "qgl_egl_p.h"
+#include "qcolormap.h"
+#include <QDebug>
+
+QT_BEGIN_NAMESPACE
+
+// Turn off "direct to window" rendering if EGL cannot support it.
+#if !defined(EGL_RENDER_BUFFER) || !defined(EGL_SINGLE_BUFFER)
+#if defined(QGL_DIRECT_TO_WINDOW)
+#undef QGL_DIRECT_TO_WINDOW
+#endif
+#endif
+
+// Determine if preserved window contents should be used.
+#if !defined(EGL_SWAP_BEHAVIOR) || !defined(EGL_BUFFER_PRESERVED)
+#if !defined(QGL_NO_PRESERVED_SWAP)
+#define QGL_NO_PRESERVED_SWAP 1
+#endif
+#endif
+
+/*
+    QGLTemporaryContext implementation
+*/
+
+
+class QGLTemporaryContextPrivate
+{
+public:
+    bool initialized;
+    RWindow *window;
+    EGLContext context;
+    EGLSurface surface;
+    EGLDisplay display;
+};
+
+QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *)
+    : d(new QGLTemporaryContextPrivate)
+{
+    d->initialized = false;
+    d->window = 0;
+    d->context = 0;
+    d->surface = 0;
+
+    d->display = d->display = QEgl::display();
+
+    EGLConfig config;
+    int numConfigs = 0;
+    EGLint attribs[] = {
+        EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+#ifdef QT_OPENGL_ES_2
+        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+#endif
+        EGL_NONE
+    };
+
+    eglChooseConfig(d->display, attribs, &config, 1, &numConfigs);
+    if (!numConfigs) {
+        qWarning("QGLTemporaryContext: No EGL configurations available.");
+        return;
+    }
+
+    d->window = new RWindow(CCoeEnv::Static()->WsSession());
+    d->window->Construct(CCoeEnv::Static()->RootWin(),(uint)this);
+
+    d->surface = eglCreateWindowSurface(d->display, config, (EGLNativeWindowType) d->window, NULL);
+
+    if (d->surface == EGL_NO_SURFACE) {
+        qWarning("QGLTemporaryContext: Error creating EGL surface.");
+        delete d->window;
+        d->window = 0;
+        return;
+    }
+
+    EGLint contextAttribs[] = {
+#ifdef QT_OPENGL_ES_2
+        EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+        EGL_NONE
+    };
+    d->context = eglCreateContext(d->display, config, 0, contextAttribs);
+    if (d->context != EGL_NO_CONTEXT
+        && eglMakeCurrent(d->display, d->surface, d->surface, d->context))
+    {
+        d->initialized = true;
+    } else {
+        qWarning("QGLTemporaryContext: Error creating EGL context.");
+        d->window = 0;
+        return;
+    }
+}
+
+QGLTemporaryContext::~QGLTemporaryContext()
+{
+    if (d->initialized) {
+        eglMakeCurrent(d->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+        eglDestroyContext(d->display, d->context);
+        eglDestroySurface(d->display, d->surface);
+        delete d->window;
+    }
+}
+
+bool QGLFormat::hasOpenGLOverlays()
+{
+    return false;
+}
+
+// Chooses the EGL config and creates the EGL context
+bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as in qgl_x11egl.cpp
+{
+    Q_D(QGLContext);
+
+    if (!device())
+        return false;
+
+    int devType = device()->devType();
+
+    if ((devType != QInternal::Widget) && (devType != QInternal::Pbuffer)) {
+        qWarning("WARNING: Creating a QGLContext not supported on device type %d", devType);
+        return false;
+    }
+
+    // Get the display and initialize it.
+    if (d->eglContext == 0) {
+        d->eglContext = new QEglContext();
+        d->ownsEglContext = true;
+        d->eglContext->setApi(QEgl::OpenGL);
+
+	    // If the device is a widget with WA_TranslucentBackground set, make sure the glFormat
+        // has the alpha channel option set:
+        if (devType == QInternal::Widget) {
+            QWidget* widget = static_cast<QWidget*>(device());
+            if (widget->testAttribute(Qt::WA_TranslucentBackground))
+                d->glFormat.setAlpha(true);
+        }
+
+        // Construct the configuration we need for this surface.
+        QEglProperties configProps;
+        configProps.setDeviceType(devType);
+        configProps.setPaintDeviceFormat(device());
+        configProps.setRenderableType(QEgl::OpenGL);
+        configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_SWAP_BEHAVIOR_PRESERVED_BIT);
+
+        qt_eglproperties_set_glformat(configProps, d->glFormat);
+
+        if (!d->eglContext->chooseConfig(configProps, QEgl::BestPixelFormat)) {
+            delete d->eglContext;
+            d->eglContext = 0;
+            return false;
+        }
+
+        // Create a new context for the configuration.
+        QEglContext* eglSharedContext = shareContext ? shareContext->d_func()->eglContext : 0;
+        if (!d->eglContext->createContext(eglSharedContext)) {
+            delete d->eglContext;
+            d->eglContext = 0;
+            return false;
+        }
+        d->sharing = d->eglContext->isSharing();
+        if (d->sharing && shareContext)
+            const_cast<QGLContext *>(shareContext)->d_func()->sharing = true;
+	}
+
+    // Inform the higher layers about the actual format properties
+    qt_glformat_from_eglconfig(d->glFormat, d->eglContext->config());
+
+    // Do don't create the EGLSurface for everything.
+    //    QWidget - yes, create the EGLSurface and store it in QGLContextPrivate::eglSurface
+    //    QGLWidget - yes, create the EGLSurface and store it in QGLContextPrivate::eglSurface
+    //    QGLPixelBuffer - no, it creates the surface itself and stores it in QGLPixelBufferPrivate::pbuf
+
+    if (devType == QInternal::Widget) {
+        if (d->eglSurface != EGL_NO_SURFACE)
+            eglDestroySurface(d->eglContext->display(), d->eglSurface);
+
+        d->eglSurface = QEgl::createSurface(device(), d->eglContext->config());
+
+#if !defined(QGL_NO_PRESERVED_SWAP)
+        eglGetError();  // Clear error state first.
+        eglSurfaceAttrib(QEgl::display(), d->eglSurface,
+                EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
+        if (eglGetError() != EGL_SUCCESS) {
+            qWarning("QGLContext: could not enable preserved swap");
+        }
+#endif
+
+        setWindowCreated(true);
+    }
+
+    return true;
+}
+
+void QGLWidget::resizeEvent(QResizeEvent *)
+{
+    Q_D(QGLWidget);
+    if (!isValid())
+        return;
+
+    if (QGLContext::currentContext())
+        doneCurrent();
+
+    // Symbian needs to recreate the surface on resize.
+    d->recreateEglSurface();
+
+    makeCurrent();
+    if (!d->glcx->initialized())
+        glInit();
+    resizeGL(width(), height());
+    //handle overlay
+}
+
+const QGLContext* QGLWidget::overlayContext() const
+{
+    return 0;
+}
+
+void QGLWidget::makeOverlayCurrent()
+{
+    //handle overlay
+}
+
+void QGLWidget::updateOverlayGL()
+{
+    //handle overlay
+}
+
+void QGLWidget::setContext(QGLContext *context, const QGLContext* shareContext, bool deleteOldContext)
+{
+    Q_D(QGLWidget);
+    if (context == 0) {
+        qWarning("QGLWidget::setContext: Cannot set null context");
+        return;
+    }
+    if (!context->deviceIsPixmap() && context->device() != this) {
+        qWarning("QGLWidget::setContext: Context must refer to this widget");
+        return;
+    }
+
+    if (d->glcx)
+        d->glcx->doneCurrent();
+    QGLContext* oldcx = d->glcx;
+    d->glcx = context;
+
+    bool createFailed = false;
+    if (!d->glcx->isValid()) {
+        // Create the QGLContext here, which in turn chooses the EGL config
+        // and creates the EGL context:
+        if (!d->glcx->create(shareContext ? shareContext : oldcx))
+            createFailed = true;
+    }
+    if (createFailed) {
+        if (deleteOldContext)
+            delete oldcx;
+        return;
+    }
+
+    d->eglSurfaceWindowId = winId(); // Remember the window id we created the surface for
+}
+
+void QGLWidgetPrivate::init(QGLContext *context, const QGLWidget* shareWidget)
+{
+    Q_Q(QGLWidget);
+
+    initContext(context, shareWidget);
+
+    if(q->isValid() && glcx->format().hasOverlay()) {
+        //no overlay
+        qWarning("QtOpenGL ES doesn't currently support overlays");
+    }
+}
+
+void QGLWidgetPrivate::cleanupColormaps()
+{
+}
+
+const QGLColormap & QGLWidget::colormap() const
+{
+    return d_func()->cmap;
+}
+
+void QGLWidget::setColormap(const QGLColormap &)
+{
+}
+
+void QGLWidgetPrivate::recreateEglSurface()
+{
+    Q_Q(QGLWidget);
+
+    WId currentId = q->winId();
+
+    if (glcx->d_func()->eglSurface != EGL_NO_SURFACE) {
+        eglDestroySurface(glcx->d_func()->eglContext->display(),
+                                                glcx->d_func()->eglSurface);
+    }
+
+    glcx->d_func()->eglSurface = QEgl::createSurface(glcx->device(),
+                                       glcx->d_func()->eglContext->config());
+
+#if !defined(QGL_NO_PRESERVED_SWAP)
+        eglGetError();  // Clear error state first.
+        eglSurfaceAttrib(QEgl::display(), glcx->d_func()->eglSurface,
+                                    EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
+        if (eglGetError() != EGL_SUCCESS) {
+            qWarning("QGLContext: could not enable preserved swap");
+        }
+#endif
+
+    eglSurfaceWindowId = currentId;
+}
+
+QT_END_NAMESPACE
+