Add qopenglconfig test.

Add some parts of the qtdiag tool as a qtbase test to output the
graphics configuration to the CI log and to verify that Open GL can be
initialized for platforms on which the qopengl test is marked as
insignificant (for example, ANGLE).

Change-Id: Id445e57928e0307ad38cd433c52a62501f1097c6
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

1 files changed, 222 insertions, 0 deletions

diff --git a/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp b/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp
new file mode 100644
index 0000000000..75cc0e06f7
--- /dev/null
+++ b/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp
@@ -0,0 +1,222 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/QOpenGLFunctions>
+#include <QtGui/QScreen>
+#include <QtGui/QWindow>
+#include <private/qguiapplication_p.h>
+#include <qpa/qplatformintegration.h>
+#include <qpa/qplatformnativeinterface.h>
+
+#include <QtTest/QtTest>
+
+#include <QtCore/QSysInfo>
+#include <QtCore/QLibraryInfo>
+#include <QtCore/QScopedPointer>
+#include <QtCore/QVariant>
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+
+#include <algorithm>
+
+#define DUMP_CAPABILITY(str, integration, capability) \
+    if (platformIntegration->hasCapability(QPlatformIntegration::capability)) \
+        str << ' ' << #capability;
+
+QTextStream &operator<<(QTextStream &str, const QSize &s)
+{
+    str << s.width() << 'x' << s.height();
+    return str;
+}
+
+QTextStream &operator<<(QTextStream &str, const QRect &r)
+{
+    str << r.size() << '+' << r.x() << '+' << r.y();
+    return str;
+}
+
+QTextStream &operator<<(QTextStream &str, const QSizeF &s)
+{
+    str << s.width() << 'x' << s.height();
+    return str;
+}
+
+QTextStream &operator<<(QTextStream &str, const QSurfaceFormat &format)
+{
+    str << "Version: " << format.majorVersion() << '.'
+        << format.minorVersion() << " Profile: " << format.profile()
+        << " Swap behavior: " << format.swapBehavior()
+        << " Buffer size (RGB";
+    if (format.hasAlpha())
+        str << 'A';
+    str << "): " << format.redBufferSize() << ',' << format.greenBufferSize()
+        << ',' << format.blueBufferSize();
+    if (format.hasAlpha())
+        str << ',' << format.alphaBufferSize();
+    if (const int dbs = format.depthBufferSize())
+        str << " Depth buffer: " << dbs;
+    if (const int sbs = format.stencilBufferSize())
+        str << " Stencil buffer: " << sbs;
+    const int samples = format.samples();
+    if (samples > 0)
+        str << " Samples: " << samples;
+    return str;
+}
+
+/* This test contains code from the qtdiag tool. Its purpose is to output the
+ * graphics configuration to the CI log and to verify that Open GL can be
+ * initialized for platforms on which the qopengl test is marked as
+ * insignificant. */
+
+class tst_QOpenGlConfig : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void testConfiguration();
+    void testGlConfiguration();
+};
+
+static void dumpConfiguration(QTextStream &str)
+{
+    const QPlatformIntegration *platformIntegration = QGuiApplicationPrivate::platformIntegration();
+    str << "\nBuild        : " << QLibraryInfo::build()
+        << "\nPlatform     : " << QGuiApplication::platformName()
+        << "\nOS           : " << QSysInfo::prettyProductName() << " ["
+        << QSysInfo::kernelType() << " version " << QSysInfo::kernelVersion() << ']'
+        << "\nArchitecture : " << QSysInfo::currentCpuArchitecture()
+        << "\nCapabilities :";
+    DUMP_CAPABILITY(str, platformIntegration, ThreadedPixmaps)
+    DUMP_CAPABILITY(str, platformIntegration, OpenGL)
+    DUMP_CAPABILITY(str, platformIntegration, ThreadedOpenGL)
+    DUMP_CAPABILITY(str, platformIntegration, SharedGraphicsCache)
+    DUMP_CAPABILITY(str, platformIntegration, BufferQueueingOpenGL)
+    DUMP_CAPABILITY(str, platformIntegration, WindowMasks)
+    DUMP_CAPABILITY(str, platformIntegration, RasterGLSurface)
+    DUMP_CAPABILITY(str, platformIntegration, AllGLFunctionsQueryable)
+    str << '\n';
+
+    const QList<QScreen*> screens = QGuiApplication::screens();
+    const int screenCount = screens.size();
+    str << "\nScreens: " << screenCount << '\n';
+    for (int s = 0; s < screenCount; ++s) {
+        const QScreen *screen = screens.at(s);
+        str << '#' << ' ' << s << " \"" << screen->name() << '"'
+                  << " Depth: " << screen->depth()
+                  << " Primary: " <<  (screen == QGuiApplication::primaryScreen() ? "yes" : "no")
+            << "\n  Geometry: " << screen->geometry() << " Available: " << screen->availableGeometry();
+        if (screen->geometry() != screen->virtualGeometry())
+            str << "\n  Virtual geometry: " << screen->virtualGeometry() << " Available: " << screen->availableVirtualGeometry();
+        if (screen->virtualSiblings().size() > 1)
+            str << "\n  " << screen->virtualSiblings().size() << " virtual siblings";
+        str << "\n  Physical size: " << screen->physicalSize() << " mm"
+                  << "  Refresh: " << screen->refreshRate() << " Hz"
+            << "\n  Physical DPI: " << screen->physicalDotsPerInchX()
+            << ',' << screen->physicalDotsPerInchY()
+            << " Logical DPI: " << screen->logicalDotsPerInchX()
+            << ',' << screen->logicalDotsPerInchY()
+            << "\n  DevicePixelRatio: " << screen->devicePixelRatio()
+            << " Primary orientation: " << screen->primaryOrientation()
+            << "\n  Orientation: " << screen->orientation()
+            << " Native orientation: " << screen->nativeOrientation()
+            << " OrientationUpdateMask: " << screen->orientationUpdateMask() << '\n';
+    }
+
+    // On Windows, this will provide addition GPU info similar to the output of dxdiag.
+    const QVariant gpuInfoV = QGuiApplication::platformNativeInterface()->property("gpu");
+    if (gpuInfoV.type() == QVariant::Map) {
+        const QString description = gpuInfoV.toMap().value(QStringLiteral("printable")).toString();
+        if (!description.isEmpty())
+            str << "\nGPU:\n" << description << "\n\n";
+    }
+}
+
+void tst_QOpenGlConfig::testConfiguration()
+{
+    QString result;
+    QTextStream str(&result);
+    dumpConfiguration(str);
+
+    qDebug().noquote() << '\n' << result;
+}
+
+static void dumpGlConfiguration(QOpenGLContext &context, QTextStream &str)
+{
+    str << "Type             : ";
+#ifdef QT_OPENGL_DYNAMIC
+    str << "Dynamic GL ";
+#endif
+    switch (context.openGLModuleType()) {
+    case QOpenGLContext::LibGL:
+        str << "LibGL";
+        break;
+    case QOpenGLContext::LibGLES:
+        str << "LibGLES";
+        break;
+    }
+    QOpenGLFunctions functions(&context);
+
+    str << "\nVendor           : " << reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR))
+        << "\nRenderer         : " << reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER))
+        << "\nVersion          : " << reinterpret_cast<const char *>(functions.glGetString(GL_VERSION))
+        << "\nShading language : " << reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION))
+        << "\nFormat           : " << context.format();
+
+    QList<QByteArray> extensionList = context.extensions().toList();
+    std::sort(extensionList.begin(), extensionList.end());
+    const int extensionCount = extensionList.size();
+    str << "\n\nFound " << extensionCount << " extensions:\n";
+    for (int e = 0; e < extensionCount; ++e)
+        str << ((e % 4) ? ' ' : '\n') << extensionList.at(e);
+}
+
+void tst_QOpenGlConfig::testGlConfiguration()
+{
+    QString result;
+    QTextStream str(&result);
+
+    QWindow window;
+    window.setSurfaceType(QSurface::OpenGLSurface);
+    window.create();
+    QOpenGLContext context;
+    QVERIFY(context.create());
+    QVERIFY(context.makeCurrent(&window));
+    dumpGlConfiguration(context, str);
+    context.doneCurrent();
+
+    qDebug().noquote() << '\n' << result;
+}
+
+QTEST_MAIN(tst_QOpenGlConfig)
+
+#include "tst_qopenglconfig.moc"