diff -r 41300fa6a67c -r f7bc934e204c util/src/opengl/qpixmapdata_x11gl_egl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/src/opengl/qpixmapdata_x11gl_egl.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,290 @@
+/****************************************************************************
+**
+** 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 <QDebug>
+
+#include <private/qgl_p.h>
+#include <private/qegl_p.h>
+#include <private/qeglproperties_p.h>
+
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#include <private/qpaintengineex_opengl2_p.h>
+#endif
+
+#ifndef QT_OPENGL_ES_2
+#include <private/qpaintengine_opengl_p.h>
+#endif
+
+#include "qpixmapdata_x11gl_p.h"
+
+QT_BEGIN_NAMESPACE
+
+extern EGLConfig qt_chooseEGLConfigForPixmap(bool hasAlpha, bool readOnly); // in qgl_x11egl.cpp
+extern bool qt_createEGLSurfaceForPixmap(QPixmapData* pmd, bool readOnly); // in qgl_x11egl.cpp
+
+// On 16bpp systems, RGB & ARGB pixmaps are different bit-depths and therefore need
+// different contexts:
+static EGLContext qPixmapARGBSharedEglContext = EGL_NO_CONTEXT;
+static EGLContext qPixmapRGBSharedEglContext = EGL_NO_CONTEXT;
+
+bool QX11GLPixmapData::hasX11GLPixmaps()
+{
+    static bool checkedForX11Pixmaps = false;
+    static bool haveX11Pixmaps = false;
+
+    if (checkedForX11Pixmaps)
+        return haveX11Pixmaps;
+
+    checkedForX11Pixmaps = true;
+
+    QX11PixmapData *argbPixmapData = 0;
+    QX11PixmapData *rgbPixmapData = 0;
+    do {
+        if (qgetenv("QT_USE_X11GL_PIXMAPS").isEmpty())
+            break;
+
+        // Check we actually have EGL configs which support pixmaps
+        EGLConfig argbConfig = qt_chooseEGLConfigForPixmap(true, false);
+        EGLConfig rgbConfig = qt_chooseEGLConfigForPixmap(false, false);
+
+        if (argbConfig == 0 || rgbConfig == 0)
+            break;
+
+        // Create the shared contexts:
+        eglBindAPI(EGL_OPENGL_ES_API);
+        EGLint contextAttribs[] = {
+#if defined(QT_OPENGL_ES_2)
+            EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+            EGL_NONE
+        };
+        qPixmapARGBSharedEglContext = eglCreateContext(QEglContext::display(),
+                                                       argbConfig, 0, contextAttribs);
+
+        if (argbConfig == rgbConfig) {
+            // If the configs are the same, we can re-use the same context.
+            qPixmapRGBSharedEglContext = qPixmapARGBSharedEglContext;
+        } else {
+            qPixmapRGBSharedEglContext = eglCreateContext(QEglContext::display(),
+                                                           rgbConfig, 0, contextAttribs);
+        }
+
+        argbPixmapData = new QX11PixmapData(QPixmapData::PixmapType);
+        argbPixmapData->resize(100, 100);
+        argbPixmapData->fill(Qt::transparent); // Force ARGB
+
+        if (!qt_createEGLSurfaceForPixmap(argbPixmapData, false))
+            break;
+
+        haveX11Pixmaps = eglMakeCurrent(QEglContext::display(),
+                                        (EGLSurface)argbPixmapData->gl_surface,
+                                        (EGLSurface)argbPixmapData->gl_surface,
+                                        qPixmapARGBSharedEglContext);
+        if (!haveX11Pixmaps) {
+            EGLint err = eglGetError();
+            qWarning() << "Unable to make pixmap config current:" << err << QEglContext::errorString(err);
+            break;
+        }
+
+        // If the ARGB & RGB configs are the same, we don't need to check RGB too
+        if (haveX11Pixmaps && (argbConfig != rgbConfig)) {
+            rgbPixmapData = new QX11PixmapData(QPixmapData::PixmapType);
+            rgbPixmapData->resize(100, 100);
+            rgbPixmapData->fill(Qt::red);
+
+            // Try to actually create an EGL pixmap surface
+            if (!qt_createEGLSurfaceForPixmap(rgbPixmapData, false))
+                break;
+
+            haveX11Pixmaps = eglMakeCurrent(QEglContext::display(),
+                                            (EGLSurface)rgbPixmapData->gl_surface,
+                                            (EGLSurface)rgbPixmapData->gl_surface,
+                                            qPixmapRGBSharedEglContext);
+            if (!haveX11Pixmaps) {
+                EGLint err = eglGetError();
+                qWarning() << "Unable to make pixmap config current:" << err << QEglContext::errorString(err);
+                break;
+            }
+        }
+    } while (0);
+
+    if (qPixmapARGBSharedEglContext || qPixmapRGBSharedEglContext) {
+        eglMakeCurrent(QEglContext::display(),
+                       EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+    }
+
+    if (argbPixmapData) {
+        if (argbPixmapData->gl_surface)
+            QGLContextPrivate::destroyGlSurfaceForPixmap(argbPixmapData);
+        delete argbPixmapData;
+        argbPixmapData = 0;
+    }
+    if (rgbPixmapData) {
+        if (rgbPixmapData->gl_surface)
+            QGLContextPrivate::destroyGlSurfaceForPixmap(rgbPixmapData);
+        delete rgbPixmapData;
+        rgbPixmapData = 0;
+    }
+
+    if (!haveX11Pixmaps) {
+        // Clean up the context(s) if we can't use X11GL pixmaps
+        if (qPixmapARGBSharedEglContext != EGL_NO_CONTEXT)
+            eglDestroyContext(QEglContext::display(), qPixmapARGBSharedEglContext);
+
+        if (qPixmapRGBSharedEglContext != qPixmapARGBSharedEglContext &&
+            qPixmapRGBSharedEglContext != EGL_NO_CONTEXT)
+        {
+            eglDestroyContext(QEglContext::display(), qPixmapRGBSharedEglContext);
+        }
+        qPixmapRGBSharedEglContext = EGL_NO_CONTEXT;
+        qPixmapARGBSharedEglContext = EGL_NO_CONTEXT;
+    }
+
+    if (haveX11Pixmaps)
+        qDebug("QX11GLPixmapData is supported");
+    else
+        qDebug("QX11GLPixmapData is *NOT* being used");
+
+    return haveX11Pixmaps;
+}
+
+QX11GLPixmapData::QX11GLPixmapData()
+    : QX11PixmapData(QPixmapData::PixmapType),
+      ctx(0)
+{
+}
+
+QX11GLPixmapData::~QX11GLPixmapData()
+{
+}
+
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_pixmap_2_engine)
+#endif
+
+#ifndef QT_OPENGL_ES_2
+Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_gl_pixmap_engine)
+#endif
+
+
+QPaintEngine* QX11GLPixmapData::paintEngine() const
+{
+    // We need to create the context before beginPaint - do it here:
+    if (!ctx) {
+        ctx = new QGLContext(glFormat());
+        if (ctx->d_func()->eglContext == 0)
+            ctx->d_func()->eglContext = new QEglContext();
+        ctx->d_func()->eglContext->setApi(QEgl::OpenGL);
+        ctx->d_func()->eglContext->setContext(hasAlphaChannel() ? qPixmapARGBSharedEglContext
+                                                                : qPixmapRGBSharedEglContext);
+    }
+
+    QPaintEngine* engine;
+
+#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+    engine = qt_gl_pixmap_engine();
+#elif defined(QT_OPENGL_ES_2)
+    engine = qt_gl_pixmap_2_engine();
+#else
+    if (qt_gl_preferGL2Engine())
+        engine = qt_gl_pixmap_2_engine();
+    else
+        engine = qt_gl_pixmap_engine();
+#endif
+
+
+
+    // Support multiple painters on multiple pixmaps simultaniously
+    if (engine->isActive()) {
+        qWarning("Pixmap paint engine already active");
+
+#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+        engine = new QOpenGLPaintEngine;
+#elif defined(QT_OPENGL_ES_2)
+        engine = new QGL2PaintEngineEx;
+#else
+        if (qt_gl_preferGL2Engine())
+            engine = new QGL2PaintEngineEx;
+        else
+            engine = new QOpenGLPaintEngine;
+#endif
+
+        engine->setAutoDestruct(true);
+        return engine;
+    }
+
+    return engine;
+}
+
+void QX11GLPixmapData::beginPaint()
+{
+//    qDebug("QX11GLPixmapData::beginPaint()");
+    if ((EGLSurface)gl_surface == EGL_NO_SURFACE) {
+        qt_createEGLSurfaceForPixmap(this, false);
+        ctx->d_func()->eglSurface = (EGLSurface)gl_surface;
+        ctx->d_func()->valid = true; // ;-)
+    }
+    QGLPaintDevice::beginPaint();
+}
+
+void QX11GLPixmapData::endPaint()
+{
+    glFinish();
+    QGLPaintDevice::endPaint();
+}
+
+QGLContext* QX11GLPixmapData::context() const
+{
+    return ctx;
+}
+
+QSize QX11GLPixmapData::size() const
+{
+    return QSize(w, h);
+}
+
+
+QGLFormat QX11GLPixmapData::glFormat()
+{
+    return QGLFormat::defaultFormat(); //###
+}
+
+QT_END_NAMESPACE