7bd7699e17
Verify that QOpenGLContext works with QWindows that do not have an explicit size set. Task-number: QTBUG-35342 Change-Id: I91be7beb0062c5825fc58273c701c396b6423256 Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com> Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
944 lines
30 KiB
C++
944 lines
30 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui/private/qopenglcontext_p.h>
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#include <QtGui/QOpenGLFramebufferObject>
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#include <QtGui/QOpenGLFunctions>
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#include <QtGui/QOpenGLPaintDevice>
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#include <QtGui/QPainter>
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#include <QtGui/QScreen>
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#include <QtGui/QWindow>
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#include <QtGui/QOffscreenSurface>
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#include <QtGui/QGenericMatrix>
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#include <QtGui/QMatrix4x4>
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#include <QtGui/private/qopengltextureblitter_p.h>
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#include <QtTest/QtTest>
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#include <QSignalSpy>
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class tst_QOpenGL : public QObject
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{
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Q_OBJECT
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private slots:
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void sharedResourceCleanup_data();
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void sharedResourceCleanup();
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void multiGroupSharedResourceCleanup_data();
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void multiGroupSharedResourceCleanup();
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void multiGroupSharedResourceCleanupCustom_data();
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void multiGroupSharedResourceCleanupCustom();
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void fboSimpleRendering_data();
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void fboSimpleRendering();
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void fboTextureOwnership_data();
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void fboTextureOwnership();
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void fboRendering_data();
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void fboRendering();
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void fboHandleNulledAfterContextDestroyed();
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void openGLPaintDevice_data();
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void openGLPaintDevice();
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void aboutToBeDestroyed();
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void sizeLessWindow();
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void QTBUG15621_triangulatingStrokerDivZero();
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void textureblitterFullSourceRectTransform();
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void textureblitterPartOriginBottomLeftSourceRectTransform();
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void textureblitterPartOriginTopLeftSourceRectTransform();
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void textureblitterFullTargetRectTransform();
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void textureblitterPartTargetRectTransform();
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};
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struct SharedResourceTracker
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{
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SharedResourceTracker()
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{
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reset();
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}
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void reset()
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{
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invalidateResourceCalls = 0;
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freeResourceCalls = 0;
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destructorCalls = 0;
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}
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int invalidateResourceCalls;
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int freeResourceCalls;
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int destructorCalls;
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};
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struct SharedResource : public QOpenGLSharedResource
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{
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SharedResource(SharedResourceTracker *t)
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: QOpenGLSharedResource(QOpenGLContextGroup::currentContextGroup())
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, resource(1)
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, tracker(t)
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{
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}
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SharedResource(QOpenGLContext *ctx)
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: QOpenGLSharedResource(ctx->shareGroup())
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, resource(1)
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, tracker(0)
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{
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}
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~SharedResource()
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{
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if (tracker)
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tracker->destructorCalls++;
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}
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void invalidateResource()
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{
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resource = 0;
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if (tracker)
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tracker->invalidateResourceCalls++;
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}
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void freeResource(QOpenGLContext *context)
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{
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Q_ASSERT(context == QOpenGLContext::currentContext());
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Q_UNUSED(context)
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resource = 0;
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if (tracker)
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tracker->freeResourceCalls++;
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}
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int resource;
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SharedResourceTracker *tracker;
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};
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static QSurface *createSurface(int surfaceClass)
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{
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if (surfaceClass == int(QSurface::Window)) {
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QWindow *window = new QWindow;
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window->setSurfaceType(QWindow::OpenGLSurface);
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window->setGeometry(0, 0, 10, 10);
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window->create();
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return window;
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} else if (surfaceClass == int(QSurface::Offscreen)) {
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QOffscreenSurface *offscreenSurface = new QOffscreenSurface;
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offscreenSurface->create();
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return offscreenSurface;
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}
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return 0;
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}
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static void common_data()
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{
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QTest::addColumn<int>("surfaceClass");
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QTest::newRow("Using QWindow") << int(QSurface::Window);
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QTest::newRow("Using QOffscreenSurface") << int(QSurface::Offscreen);
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}
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void tst_QOpenGL::sharedResourceCleanup_data()
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{
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common_data();
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}
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void tst_QOpenGL::sharedResourceCleanup()
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{
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QFETCH(int, surfaceClass);
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QScopedPointer<QSurface> surface(createSurface(surfaceClass));
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QOpenGLContext *ctx = new QOpenGLContext;
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QVERIFY(ctx->create());
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QVERIFY(ctx->makeCurrent(surface.data()));
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SharedResourceTracker tracker;
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SharedResource *resource = new SharedResource(&tracker);
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resource->free();
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QCOMPARE(tracker.invalidateResourceCalls, 0);
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QCOMPARE(tracker.freeResourceCalls, 1);
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QCOMPARE(tracker.destructorCalls, 1);
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tracker.reset();
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resource = new SharedResource(&tracker);
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QOpenGLContext *ctx2 = new QOpenGLContext;
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ctx2->setShareContext(ctx);
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QVERIFY(ctx2->create());
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delete ctx;
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resource->free();
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// no current context, freeResource() delayed
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QCOMPARE(tracker.invalidateResourceCalls, 0);
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QCOMPARE(tracker.freeResourceCalls, 0);
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QCOMPARE(tracker.destructorCalls, 0);
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ctx2->makeCurrent(surface.data());
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// freeResource() should now have been called
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QCOMPARE(tracker.invalidateResourceCalls, 0);
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QCOMPARE(tracker.freeResourceCalls, 1);
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QCOMPARE(tracker.destructorCalls, 1);
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tracker.reset();
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resource = new SharedResource(&tracker);
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// this should cause invalidateResource() to be called
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delete ctx2;
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QCOMPARE(tracker.invalidateResourceCalls, 1);
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QCOMPARE(tracker.freeResourceCalls, 0);
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QCOMPARE(tracker.destructorCalls, 0);
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// should have no effect other than destroying the resource,
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// as it has already been invalidated
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resource->free();
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QCOMPARE(tracker.invalidateResourceCalls, 1);
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QCOMPARE(tracker.freeResourceCalls, 0);
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QCOMPARE(tracker.destructorCalls, 1);
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}
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void tst_QOpenGL::multiGroupSharedResourceCleanup_data()
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{
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common_data();
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}
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void tst_QOpenGL::multiGroupSharedResourceCleanup()
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{
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QFETCH(int, surfaceClass);
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QScopedPointer<QSurface> surface(createSurface(surfaceClass));
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for (int i = 0; i < 10; ++i) {
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QOpenGLContext *gl = new QOpenGLContext();
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QVERIFY(gl->create());
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gl->makeCurrent(surface.data());
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{
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// Cause QOpenGLMultiGroupSharedResource instantiation.
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QOpenGLFunctions func(gl);
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}
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delete gl;
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// Cause context group's deleteLater() to be processed.
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QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
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}
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// Shouldn't crash when application exits.
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}
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void tst_QOpenGL::multiGroupSharedResourceCleanupCustom_data()
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{
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common_data();
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}
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void tst_QOpenGL::multiGroupSharedResourceCleanupCustom()
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{
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QFETCH(int, surfaceClass);
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QScopedPointer<QSurface> surface(createSurface(surfaceClass));
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QOpenGLContext *ctx = new QOpenGLContext();
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QVERIFY(ctx->create());
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QVERIFY(ctx->makeCurrent(surface.data()));
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QOpenGLMultiGroupSharedResource multiGroupSharedResource;
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SharedResource *resource = multiGroupSharedResource.value<SharedResource>(ctx);
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SharedResourceTracker tracker;
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resource->tracker = &tracker;
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delete ctx;
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QCOMPARE(tracker.invalidateResourceCalls, 1);
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QCOMPARE(tracker.freeResourceCalls, 0);
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QCOMPARE(tracker.destructorCalls, 1);
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}
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static bool fuzzyComparePixels(const QRgb testPixel, const QRgb refPixel, const char* file, int line, int x = -1, int y = -1)
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{
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static int maxFuzz = 1;
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static bool maxFuzzSet = false;
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// On 16 bpp systems, we need to allow for more fuzz:
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if (!maxFuzzSet) {
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maxFuzzSet = true;
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if (QGuiApplication::primaryScreen()->depth() < 24)
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maxFuzz = 32;
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}
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int redFuzz = qAbs(qRed(testPixel) - qRed(refPixel));
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int greenFuzz = qAbs(qGreen(testPixel) - qGreen(refPixel));
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int blueFuzz = qAbs(qBlue(testPixel) - qBlue(refPixel));
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int alphaFuzz = qAbs(qAlpha(testPixel) - qAlpha(refPixel));
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if (refPixel != 0 && testPixel == 0) {
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QString msg;
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if (x >= 0) {
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msg = QString("Test pixel [%1, %2] is null (black) when it should be (%3,%4,%5,%6)")
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.arg(x).arg(y)
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.arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel));
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} else {
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msg = QString("Test pixel is null (black) when it should be (%2,%3,%4,%5)")
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.arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel));
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}
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QTest::qFail(msg.toLatin1(), file, line);
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return false;
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}
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if (redFuzz > maxFuzz || greenFuzz > maxFuzz || blueFuzz > maxFuzz || alphaFuzz > maxFuzz) {
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QString msg;
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if (x >= 0)
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msg = QString("Pixel [%1,%2]: ").arg(x).arg(y);
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else
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msg = QString("Pixel ");
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msg += QString("Max fuzz (%1) exceeded: (%2,%3,%4,%5) vs (%6,%7,%8,%9)")
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.arg(maxFuzz)
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.arg(qRed(testPixel)).arg(qGreen(testPixel)).arg(qBlue(testPixel)).arg(qAlpha(testPixel))
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.arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel));
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QTest::qFail(msg.toLatin1(), file, line);
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return false;
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}
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return true;
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}
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static void fuzzyCompareImages(const QImage &testImage, const QImage &referenceImage, const char* file, int line)
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{
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QCOMPARE(testImage.width(), referenceImage.width());
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QCOMPARE(testImage.height(), referenceImage.height());
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for (int y = 0; y < testImage.height(); y++) {
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for (int x = 0; x < testImage.width(); x++) {
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if (!fuzzyComparePixels(testImage.pixel(x, y), referenceImage.pixel(x, y), file, line, x, y)) {
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// Might as well save the images for easier debugging:
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referenceImage.save("referenceImage.png");
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testImage.save("testImage.png");
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return;
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}
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}
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}
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}
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#define QFUZZY_COMPARE_IMAGES(A,B) \
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fuzzyCompareImages(A, B, __FILE__, __LINE__)
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#define QFUZZY_COMPARE_PIXELS(A,B) \
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fuzzyComparePixels(A, B, __FILE__, __LINE__)
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void qt_opengl_draw_test_pattern(QPainter* painter, int width, int height)
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{
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QPainterPath intersectingPath;
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intersectingPath.moveTo(0, 0);
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intersectingPath.lineTo(100, 0);
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intersectingPath.lineTo(0, 100);
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intersectingPath.lineTo(100, 100);
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intersectingPath.closeSubpath();
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QPainterPath trianglePath;
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trianglePath.moveTo(50, 0);
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trianglePath.lineTo(100, 100);
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trianglePath.lineTo(0, 100);
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trianglePath.closeSubpath();
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painter->setTransform(QTransform()); // reset xform
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painter->fillRect(-1, -1, width+2, height+2, Qt::red); // Background
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painter->translate(14, 14);
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painter->fillPath(intersectingPath, Qt::blue); // Test stencil buffer works
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painter->translate(128, 0);
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painter->setClipPath(trianglePath); // Test depth buffer works
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painter->setTransform(QTransform()); // reset xform ready for fill
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painter->fillRect(-1, -1, width+2, height+2, Qt::green);
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}
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void qt_opengl_check_test_pattern(const QImage& img)
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{
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// As we're doing more than trivial painting, we can't just compare to
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// an image rendered with raster. Instead, we sample at well-defined
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// test-points:
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QFUZZY_COMPARE_PIXELS(img.pixel(39, 64), QColor(Qt::red).rgb());
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QFUZZY_COMPARE_PIXELS(img.pixel(89, 64), QColor(Qt::red).rgb());
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QFUZZY_COMPARE_PIXELS(img.pixel(64, 39), QColor(Qt::blue).rgb());
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QFUZZY_COMPARE_PIXELS(img.pixel(64, 89), QColor(Qt::blue).rgb());
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QFUZZY_COMPARE_PIXELS(img.pixel(167, 39), QColor(Qt::red).rgb());
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QFUZZY_COMPARE_PIXELS(img.pixel(217, 39), QColor(Qt::red).rgb());
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QFUZZY_COMPARE_PIXELS(img.pixel(192, 64), QColor(Qt::green).rgb());
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}
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void tst_QOpenGL::fboSimpleRendering_data()
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{
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common_data();
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}
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void tst_QOpenGL::fboSimpleRendering()
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{
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QFETCH(int, surfaceClass);
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QScopedPointer<QSurface> surface(createSurface(surfaceClass));
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QOpenGLContext ctx;
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QVERIFY(ctx.create());
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ctx.makeCurrent(surface.data());
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if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
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QSKIP("QOpenGLFramebufferObject not supported on this platform");
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// No multisample with combined depth/stencil attachment:
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QOpenGLFramebufferObjectFormat fboFormat;
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fboFormat.setAttachment(QOpenGLFramebufferObject::NoAttachment);
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QOpenGLFramebufferObject *fbo = new QOpenGLFramebufferObject(200, 100, fboFormat);
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fbo->bind();
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glClearColor(1.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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glFinish();
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QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32);
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QImage reference(fb.size(), QImage::Format_RGB32);
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reference.fill(0xffff0000);
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QFUZZY_COMPARE_IMAGES(fb, reference);
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delete fbo;
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}
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void tst_QOpenGL::fboTextureOwnership_data()
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{
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common_data();
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}
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void tst_QOpenGL::fboTextureOwnership()
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{
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QFETCH(int, surfaceClass);
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QScopedPointer<QSurface> surface(createSurface(surfaceClass));
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QOpenGLContext ctx;
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QVERIFY(ctx.create());
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ctx.makeCurrent(surface.data());
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if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
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QSKIP("QOpenGLFramebufferObject not supported on this platform");
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QOpenGLFramebufferObjectFormat fboFormat;
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fboFormat.setAttachment(QOpenGLFramebufferObject::NoAttachment);
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QOpenGLFramebufferObject *fbo = new QOpenGLFramebufferObject(200, 100, fboFormat);
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QVERIFY(fbo->texture() != 0);
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fbo->bind();
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// pull out the texture
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GLuint texture = fbo->takeTexture();
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QVERIFY(texture != 0);
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QVERIFY(fbo->texture() == 0);
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// verify that the next bind() creates a new texture
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fbo->bind();
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QVERIFY(fbo->texture() != 0 && fbo->texture() != texture);
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glClearColor(1.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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glFinish();
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QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32);
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QImage reference(fb.size(), QImage::Format_RGB32);
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reference.fill(0xffff0000);
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QFUZZY_COMPARE_IMAGES(fb, reference);
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glDeleteTextures(1, &texture);
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delete fbo;
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}
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void tst_QOpenGL::fboRendering_data()
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{
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common_data();
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}
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// NOTE: This tests that CombinedDepthStencil attachment works by assuming the
|
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// GL2 engine is being used and is implemented the same way as it was when
|
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// this autotest was written. If this is not the case, there may be some
|
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// false-positives: I.e. The test passes when either the depth or stencil
|
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// buffer is actually missing. But that's probably ok anyway.
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void tst_QOpenGL::fboRendering()
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{
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#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
|
|
QSKIP("QTBUG-22617");
|
|
#endif
|
|
|
|
QFETCH(int, surfaceClass);
|
|
QScopedPointer<QSurface> surface(createSurface(surfaceClass));
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
|
|
ctx.makeCurrent(surface.data());
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
// No multisample with combined depth/stencil attachment:
|
|
QOpenGLFramebufferObjectFormat fboFormat;
|
|
fboFormat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
|
|
// Uncomplicate things by using NPOT:
|
|
QOpenGLFramebufferObject fbo(256, 128, fboFormat);
|
|
|
|
if (fbo.attachment() != QOpenGLFramebufferObject::CombinedDepthStencil)
|
|
QSKIP("FBOs missing combined depth~stencil support");
|
|
|
|
fbo.bind();
|
|
|
|
QPainter fboPainter;
|
|
QOpenGLPaintDevice device(fbo.width(), fbo.height());
|
|
bool painterBegun = fboPainter.begin(&device);
|
|
QVERIFY(painterBegun);
|
|
|
|
qt_opengl_draw_test_pattern(&fboPainter, fbo.width(), fbo.height());
|
|
|
|
fboPainter.end();
|
|
|
|
QImage fb = fbo.toImage().convertToFormat(QImage::Format_RGB32);
|
|
|
|
qt_opengl_check_test_pattern(fb);
|
|
}
|
|
|
|
void tst_QOpenGL::fboHandleNulledAfterContextDestroyed()
|
|
{
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
window.setGeometry(0, 0, 10, 10);
|
|
window.create();
|
|
|
|
QOpenGLFramebufferObject *fbo = 0;
|
|
|
|
{
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
|
|
ctx.makeCurrent(&window);
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
fbo = new QOpenGLFramebufferObject(128, 128);
|
|
|
|
QVERIFY(fbo->handle() != 0);
|
|
}
|
|
|
|
QCOMPARE(fbo->handle(), 0U);
|
|
}
|
|
|
|
void tst_QOpenGL::openGLPaintDevice_data()
|
|
{
|
|
common_data();
|
|
}
|
|
|
|
void tst_QOpenGL::openGLPaintDevice()
|
|
{
|
|
#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
|
|
QSKIP("QTBUG-22617");
|
|
#endif
|
|
|
|
QFETCH(int, surfaceClass);
|
|
QScopedPointer<QSurface> surface(createSurface(surfaceClass));
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
|
|
QSurfaceFormat format = ctx.format();
|
|
if (format.majorVersion() < 2)
|
|
QSKIP("This test requires at least OpenGL 2.0");
|
|
ctx.makeCurrent(surface.data());
|
|
|
|
QImage image(128, 128, QImage::Format_RGB32);
|
|
QPainter p(&image);
|
|
p.fillRect(0, 0, image.width() / 2, image.height() / 2, Qt::red);
|
|
p.fillRect(image.width() / 2, 0, image.width() / 2, image.height() / 2, Qt::green);
|
|
p.fillRect(image.width() / 2, image.height() / 2, image.width() / 2, image.height() / 2, Qt::blue);
|
|
p.fillRect(0, image.height() / 2, image.width() / 2, image.height() / 2, Qt::white);
|
|
p.end();
|
|
|
|
QOpenGLFramebufferObject fbo(128, 128);
|
|
fbo.bind();
|
|
|
|
QOpenGLPaintDevice device(128, 128);
|
|
p.begin(&device);
|
|
p.fillRect(0, 0, image.width() / 2, image.height() / 2, Qt::red);
|
|
p.fillRect(image.width() / 2, 0, image.width() / 2, image.height() / 2, Qt::green);
|
|
p.fillRect(image.width() / 2, image.height() / 2, image.width() / 2, image.height() / 2, Qt::blue);
|
|
p.fillRect(0, image.height() / 2, image.width() / 2, image.height() / 2, Qt::white);
|
|
p.end();
|
|
|
|
QCOMPARE(image, fbo.toImage().convertToFormat(QImage::Format_RGB32));
|
|
|
|
p.begin(&device);
|
|
p.fillRect(0, 0, image.width(), image.height(), Qt::black);
|
|
p.drawImage(0, 0, image);
|
|
p.end();
|
|
|
|
QCOMPARE(image, fbo.toImage().convertToFormat(QImage::Format_RGB32));
|
|
|
|
p.begin(&device);
|
|
p.fillRect(0, 0, image.width(), image.height(), Qt::black);
|
|
p.fillRect(0, 0, image.width(), image.height(), QBrush(image));
|
|
p.end();
|
|
|
|
QCOMPARE(image, fbo.toImage().convertToFormat(QImage::Format_RGB32));
|
|
}
|
|
|
|
void tst_QOpenGL::aboutToBeDestroyed()
|
|
{
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
window.setGeometry(0, 0, 128, 128);
|
|
window.create();
|
|
|
|
QOpenGLContext *context = new QOpenGLContext;
|
|
QSignalSpy spy(context, SIGNAL(aboutToBeDestroyed()));
|
|
|
|
QVERIFY(context->create());
|
|
QVERIFY(context->makeCurrent(&window));
|
|
|
|
QCOMPARE(spy.size(), 0);
|
|
|
|
delete context;
|
|
|
|
QCOMPARE(spy.size(), 1);
|
|
}
|
|
|
|
// Verify that QOpenGLContext works with QWindows that do
|
|
// not have an explicit size set.
|
|
void tst_QOpenGL::sizeLessWindow()
|
|
{
|
|
// top-level window
|
|
{
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
|
|
QOpenGLContext context;
|
|
QVERIFY(context.create());
|
|
|
|
window.show();
|
|
QVERIFY(context.makeCurrent(&window));
|
|
QVERIFY(QOpenGLContext::currentContext());
|
|
}
|
|
|
|
QVERIFY(!QOpenGLContext::currentContext());
|
|
|
|
// child window
|
|
{
|
|
QWindow parent;
|
|
QWindow window(&parent);
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
|
|
QOpenGLContext context;
|
|
QVERIFY(context.create());
|
|
|
|
parent.show();
|
|
window.show();
|
|
QVERIFY(context.makeCurrent(&window));
|
|
QVERIFY(QOpenGLContext::currentContext());
|
|
}
|
|
|
|
QVERIFY(!QOpenGLContext::currentContext());
|
|
}
|
|
|
|
void tst_QOpenGL::QTBUG15621_triangulatingStrokerDivZero()
|
|
{
|
|
#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
|
|
QSKIP("QTBUG-22617");
|
|
#endif
|
|
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
window.setGeometry(0, 0, 128, 128);
|
|
window.create();
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
QVERIFY(ctx.makeCurrent(&window));
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
QOpenGLFramebufferObject fbo(128, 128);
|
|
fbo.bind();
|
|
|
|
QOpenGLPaintDevice device(128, 128);
|
|
|
|
// QTBUG-15621 is only a problem when qreal is double, but do the test anyway.
|
|
qreal delta = sizeof(qreal) == sizeof(float) ? 1e-4 : 1e-8;
|
|
QVERIFY(128 != 128 + delta);
|
|
|
|
QPainterPath path;
|
|
path.moveTo(16 + delta, 16);
|
|
path.moveTo(16, 16);
|
|
|
|
path.lineTo(16 + delta, 16); // Short lines to check for division by zero.
|
|
path.lineTo(112 - delta, 16);
|
|
path.lineTo(112, 16);
|
|
|
|
path.quadTo(112, 16, 112, 16 + delta);
|
|
path.quadTo(112, 64, 112, 112 - delta);
|
|
path.quadTo(112, 112, 112, 112);
|
|
|
|
path.cubicTo(112, 112, 112, 112, 112 - delta, 112);
|
|
path.cubicTo(80, 112, 48, 112, 16 + delta, 112);
|
|
path.cubicTo(16 + delta, 112, 16 + delta, 112, 16, 112);
|
|
|
|
path.closeSubpath();
|
|
|
|
QPen pen(Qt::red, 28, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
|
|
|
|
QPainter p(&device);
|
|
p.fillRect(QRect(0, 0, 128, 128), Qt::blue);
|
|
p.strokePath(path, pen);
|
|
p.end();
|
|
QImage image = fbo.toImage().convertToFormat(QImage::Format_RGB32);
|
|
|
|
const QRgb red = 0xffff0000;
|
|
const QRgb blue = 0xff0000ff;
|
|
|
|
QCOMPARE(image.pixel(8, 8), red);
|
|
QCOMPARE(image.pixel(119, 8), red);
|
|
QCOMPARE(image.pixel(8, 119), red);
|
|
QCOMPARE(image.pixel(119, 119), red);
|
|
|
|
QCOMPARE(image.pixel(0, 0), blue);
|
|
QCOMPARE(image.pixel(127, 0), blue);
|
|
QCOMPARE(image.pixel(0, 127), blue);
|
|
QCOMPARE(image.pixel(127, 127), blue);
|
|
|
|
QCOMPARE(image.pixel(32, 32), blue);
|
|
QCOMPARE(image.pixel(95, 32), blue);
|
|
QCOMPARE(image.pixel(32, 95), blue);
|
|
QCOMPARE(image.pixel(95, 95), blue);
|
|
}
|
|
|
|
typedef QGenericMatrix<1, 3, float> TestVertex3D;
|
|
static const float uv_top_left[] = {0.f, 1.f, 1.f};
|
|
static const float uv_bottom_left[] = {0.f, 0.f, 1.f};
|
|
static const float uv_top_right[] = {1.f, 1.f, 1.f};
|
|
static const float uv_bottom_right[] = {1.f, 0.f, 1.f};
|
|
|
|
bool q_fuzzy_compare(const TestVertex3D &left, const TestVertex3D &right) {
|
|
return qFuzzyCompare(left(0,0), right(0,0)) &&
|
|
qFuzzyCompare(left(1,0), right(1,0)) &&
|
|
qFuzzyCompare(left(2,0), right(2,0));
|
|
}
|
|
|
|
void tst_QOpenGL::textureblitterFullSourceRectTransform()
|
|
{
|
|
TestVertex3D topLeft(uv_top_left);
|
|
TestVertex3D bottomLeft(uv_bottom_left);
|
|
TestVertex3D topRight(uv_top_right);
|
|
TestVertex3D bottomRight(uv_bottom_right);
|
|
|
|
QRectF rect(0,0,1,1);
|
|
QMatrix3x3 flippedMatrix = QOpenGLTextureBlitter::sourceTransform(rect, rect.size().toSize(), QOpenGLTextureBlitter::OriginTopLeft);
|
|
|
|
TestVertex3D flippedTopLeft = flippedMatrix * topLeft;
|
|
QCOMPARE(flippedTopLeft, bottomLeft);
|
|
|
|
TestVertex3D flippedBottomLeft = flippedMatrix * bottomLeft;
|
|
QCOMPARE(flippedBottomLeft, topLeft);
|
|
|
|
TestVertex3D flippedTopRight = flippedMatrix * topRight;
|
|
QCOMPARE(flippedTopRight, bottomRight);
|
|
|
|
TestVertex3D flippedBottomRight = flippedMatrix * bottomRight;
|
|
QCOMPARE(flippedBottomRight, topRight);
|
|
|
|
QMatrix3x3 identityMatrix = QOpenGLTextureBlitter::sourceTransform(rect, rect.size().toSize(), QOpenGLTextureBlitter::OriginBottomLeft);
|
|
|
|
TestVertex3D notFlippedTopLeft = identityMatrix * topLeft;
|
|
QCOMPARE(notFlippedTopLeft, topLeft);
|
|
|
|
TestVertex3D notFlippedBottomLeft = identityMatrix * bottomLeft;
|
|
QCOMPARE(notFlippedBottomLeft, bottomLeft);
|
|
|
|
TestVertex3D notFlippedTopRight = identityMatrix * topRight;
|
|
QCOMPARE(notFlippedTopRight, topRight);
|
|
|
|
TestVertex3D notFlippedBottomRight = identityMatrix * bottomRight;
|
|
QCOMPARE(notFlippedBottomRight, bottomRight);
|
|
}
|
|
|
|
void tst_QOpenGL::textureblitterPartOriginBottomLeftSourceRectTransform()
|
|
{
|
|
TestVertex3D topLeft(uv_top_left);
|
|
TestVertex3D bottomLeft(uv_bottom_left);
|
|
TestVertex3D topRight(uv_top_right);
|
|
TestVertex3D bottomRight(uv_bottom_right);
|
|
|
|
QRectF sourceRect(50,200,200,200);
|
|
QSize textureSize(400,400);
|
|
|
|
QMatrix3x3 sourceMatrix = QOpenGLTextureBlitter::sourceTransform(sourceRect, textureSize, QOpenGLTextureBlitter::OriginBottomLeft);
|
|
|
|
const float x_point_ratio = sourceRect.topLeft().x() / textureSize.width();
|
|
const float y_point_ratio = sourceRect.topLeft().y() / textureSize.height();
|
|
const float width_ratio = sourceRect.width() / textureSize.width();
|
|
const float height_ratio = sourceRect.height() / textureSize.height();
|
|
|
|
TestVertex3D uvTopLeft = sourceMatrix * topLeft;
|
|
const float expected_top_left[] = { x_point_ratio, y_point_ratio + height_ratio, 1 };
|
|
TestVertex3D expectedTopLeft(expected_top_left);
|
|
QCOMPARE(uvTopLeft, expectedTopLeft);
|
|
|
|
TestVertex3D uvBottomLeft = sourceMatrix * bottomLeft;
|
|
const float expected_bottom_left[] = { x_point_ratio, y_point_ratio, 1 };
|
|
TestVertex3D expectedBottomLeft(expected_bottom_left);
|
|
QCOMPARE(uvBottomLeft, expectedBottomLeft);
|
|
|
|
TestVertex3D uvTopRight = sourceMatrix * topRight;
|
|
const float expected_top_right[] = { x_point_ratio + width_ratio, y_point_ratio + height_ratio, 1 };
|
|
TestVertex3D expectedTopRight(expected_top_right);
|
|
QCOMPARE(uvTopRight, expectedTopRight);
|
|
|
|
TestVertex3D uvBottomRight = sourceMatrix * bottomRight;
|
|
const float expected_bottom_right[] = { x_point_ratio + width_ratio, y_point_ratio, 1 };
|
|
TestVertex3D expectedBottomRight(expected_bottom_right);
|
|
QCOMPARE(uvBottomRight, expectedBottomRight);
|
|
}
|
|
|
|
void tst_QOpenGL::textureblitterPartOriginTopLeftSourceRectTransform()
|
|
{
|
|
TestVertex3D topLeft(uv_top_left);
|
|
TestVertex3D bottomLeft(uv_bottom_left);
|
|
TestVertex3D topRight(uv_top_right);
|
|
TestVertex3D bottomRight(uv_bottom_right);
|
|
|
|
QRectF sourceRect(50,190,170,170);
|
|
QSize textureSize(400,400);
|
|
|
|
QMatrix3x3 sourceMatrix = QOpenGLTextureBlitter::sourceTransform(sourceRect, textureSize, QOpenGLTextureBlitter::OriginTopLeft);
|
|
|
|
const float x_point_ratio = sourceRect.topLeft().x() / textureSize.width();
|
|
const float y_point_ratio = sourceRect.topLeft().y() / textureSize.height();
|
|
const float width_ratio = sourceRect.width() / textureSize.width();
|
|
const float height_ratio = sourceRect.height() / textureSize.height();
|
|
|
|
TestVertex3D uvTopLeft = sourceMatrix * topLeft;
|
|
const float expected_top_left[] = { x_point_ratio, 1 - y_point_ratio - height_ratio, 1 };
|
|
TestVertex3D expectedTopLeft(expected_top_left);
|
|
QVERIFY(q_fuzzy_compare(uvTopLeft, expectedTopLeft));
|
|
|
|
TestVertex3D uvBottomLeft = sourceMatrix * bottomLeft;
|
|
const float expected_bottom_left[] = { x_point_ratio, 1 - y_point_ratio, 1 };
|
|
TestVertex3D expectedBottomLeft(expected_bottom_left);
|
|
QVERIFY(q_fuzzy_compare(uvBottomLeft, expectedBottomLeft));
|
|
|
|
TestVertex3D uvTopRight = sourceMatrix * topRight;
|
|
const float expected_top_right[] = { x_point_ratio + width_ratio, 1 - y_point_ratio - height_ratio, 1 };
|
|
TestVertex3D expectedTopRight(expected_top_right);
|
|
QVERIFY(q_fuzzy_compare(uvTopRight, expectedTopRight));
|
|
|
|
TestVertex3D uvBottomRight = sourceMatrix * bottomRight;
|
|
const float expected_bottom_right[] = { x_point_ratio + width_ratio, 1 - y_point_ratio, 1 };
|
|
TestVertex3D expectedBottomRight(expected_bottom_right);
|
|
QVERIFY(q_fuzzy_compare(uvBottomRight, expectedBottomRight));
|
|
}
|
|
|
|
void tst_QOpenGL::textureblitterFullTargetRectTransform()
|
|
{
|
|
QVector4D topLeft(-1.f, 1.f, 0.f, 1.f);
|
|
QVector4D bottomLeft(-1.f, -1.f, 0.f, 1.f);
|
|
QVector4D topRight(1.f, 1.f, 0.f, 1.f);
|
|
QVector4D bottomRight(1.f, -1.f, 0.f, 1.f);
|
|
|
|
QRectF rect(0,0,200,200);
|
|
QMatrix4x4 targetMatrix = QOpenGLTextureBlitter::targetTransform(rect,rect.toRect());
|
|
|
|
QVector4D translatedTopLeft = targetMatrix * topLeft;
|
|
QCOMPARE(translatedTopLeft, topLeft);
|
|
|
|
QVector4D translatedBottomLeft = targetMatrix * bottomLeft;
|
|
QCOMPARE(translatedBottomLeft, bottomLeft);
|
|
|
|
QVector4D translatedTopRight = targetMatrix * topRight;
|
|
QCOMPARE(translatedTopRight, topRight);
|
|
|
|
QVector4D translatedBottomRight = targetMatrix * bottomRight;
|
|
QCOMPARE(translatedBottomRight, bottomRight);
|
|
}
|
|
|
|
void tst_QOpenGL::textureblitterPartTargetRectTransform()
|
|
{
|
|
QVector4D topLeft(-1.f, 1.f, 0.f, 1.f);
|
|
QVector4D bottomLeft(-1.f, -1.f, 0.f, 1.f);
|
|
QVector4D topRight(1.f, 1.f, 0.f, 1.f);
|
|
QVector4D bottomRight(1.f, -1.f, 0.f, 1.f);
|
|
|
|
QRectF targetRect(50,50,200,200);
|
|
QRect viewport(0,0,400,400);
|
|
|
|
//multiply by 2 since coordinate system goes from -1 -> 1;
|
|
qreal x_point_ratio = (50. / 400.) * 2;
|
|
qreal y_point_ratio = (50. / 400.) * 2;
|
|
qreal width_ratio = (200. / 400.) * 2;
|
|
qreal height_ratio = (200. / 400.) * 2;
|
|
|
|
QMatrix4x4 targetMatrix = QOpenGLTextureBlitter::targetTransform(targetRect, viewport);
|
|
|
|
QVector4D targetTopLeft = targetMatrix * topLeft;
|
|
QVector4D expectedTopLeft(-1 + x_point_ratio, 1 - y_point_ratio, .0, 1.0);
|
|
QCOMPARE(targetTopLeft, expectedTopLeft);
|
|
|
|
QVector4D targetBottomLeft = targetMatrix * bottomLeft;
|
|
QVector4D expectedBottomLeft(-1 + x_point_ratio, 1 - y_point_ratio - height_ratio, 0.0, 1.0);
|
|
QCOMPARE(targetBottomLeft, expectedBottomLeft);
|
|
|
|
QVector4D targetTopRight = targetMatrix * topRight;
|
|
QVector4D expectedTopRight(-1 + x_point_ratio + width_ratio, 1 - y_point_ratio, 0.0, 1.0);
|
|
QCOMPARE(targetTopRight, expectedTopRight);
|
|
|
|
QVector4D targetBottomRight = targetMatrix * bottomRight;
|
|
QVector4D expectedBottomRight(-1 + x_point_ratio + width_ratio, 1 - y_point_ratio - height_ratio, 0.0, 1.0);
|
|
QCOMPARE(targetBottomRight, expectedBottomRight);
|
|
}
|
|
|
|
QTEST_MAIN(tst_QOpenGL)
|
|
|
|
#include "tst_qopengl.moc"
|