e7056a8969
This is trickier than the GLX and EGL implementations due to the way pixel formats, windows and contexts work. Apart from some restrictions, it should be fully functional nonetheless. Add also some proper documentation. Change-Id: Ia6e3eb1ab2701e439b8621b9092c2b0934ff2151 Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>
1123 lines
38 KiB
C++
1123 lines
38 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/QOpenGLVertexArrayObject>
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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 <QtGui/private/qguiapplication_p.h>
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#include <qpa/qplatformintegration.h>
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#include <qpa/qplatformnativeinterface.h>
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#include <QtTest/QtTest>
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|
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#include <QSignalSpy>
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|
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#ifdef USE_GLX
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// Must be included last due to the X11 types
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#include <QtPlatformHeaders/QGLXNativeContext>
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#endif
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#if defined(Q_OS_WIN32) && !defined(QT_OPENGL_ES_2)
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#include <QtPlatformHeaders/QWGLNativeContext>
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#endif
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Q_DECLARE_METATYPE(QImage::Format)
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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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#ifdef USE_GLX
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void glxContextWrap();
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#endif
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#if defined(Q_OS_WIN32) && !defined(QT_OPENGL_ES_2)
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void wglContextWrap();
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#endif
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void vaoCreate();
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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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// Create a window and get the format from that. For example, if an EGL
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// implementation provides 565 and 888 configs for PBUFFER_BIT but only
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// 888 for WINDOW_BIT, we may end up with a pbuffer surface that is
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// incompatible with the context since it could choose the 565 while the
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// window and the context uses a config with 888.
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static QSurfaceFormat format;
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if (format.redBufferSize() == -1) {
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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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format = window->format();
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delete window;
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}
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QOffscreenSurface *offscreenSurface = new QOffscreenSurface;
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offscreenSurface->setFormat(format);
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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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|
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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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QVERIFY(!img.isNull());
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QVERIFY2(img.width() > 217, QByteArray::number(img.width()));
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QVERIFY2(img.height() > 90, QByteArray::number(img.height()));
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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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|
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void tst_QOpenGL::fboSimpleRendering_data()
|
|
{
|
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common_data();
|
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}
|
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|
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void tst_QOpenGL::fboSimpleRendering()
|
|
{
|
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QFETCH(int, surfaceClass);
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QScopedPointer<QSurface> surface(createSurface(surfaceClass));
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
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|
|
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QVERIFY(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::NoAttachment);
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|
|
const QSize size(200, 100);
|
|
QScopedPointer<QOpenGLFramebufferObject> fbo(new QOpenGLFramebufferObject(size, fboFormat));
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|
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QVERIFY(fbo->bind());
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|
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ctx.functions()->glClearColor(1.0, 0.0, 0.0, 1.0);
|
|
ctx.functions()->glClear(GL_COLOR_BUFFER_BIT);
|
|
ctx.functions()->glFinish();
|
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|
|
const QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32);
|
|
QCOMPARE(fb.size(), size);
|
|
QImage reference(size, QImage::Format_RGB32);
|
|
reference.fill(0xffff0000);
|
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|
|
QFUZZY_COMPARE_IMAGES(fb, reference);
|
|
}
|
|
|
|
void tst_QOpenGL::fboTextureOwnership_data()
|
|
{
|
|
common_data();
|
|
}
|
|
|
|
void tst_QOpenGL::fboTextureOwnership()
|
|
{
|
|
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");
|
|
|
|
QOpenGLFramebufferObjectFormat fboFormat;
|
|
fboFormat.setAttachment(QOpenGLFramebufferObject::NoAttachment);
|
|
|
|
QOpenGLFramebufferObject *fbo = new QOpenGLFramebufferObject(200, 100, fboFormat);
|
|
QVERIFY(fbo->texture() != 0);
|
|
fbo->bind();
|
|
|
|
// pull out the texture
|
|
GLuint texture = fbo->takeTexture();
|
|
QVERIFY(texture != 0);
|
|
QVERIFY(fbo->texture() == 0);
|
|
|
|
// verify that the next bind() creates a new texture
|
|
fbo->bind();
|
|
QVERIFY(fbo->texture() != 0 && fbo->texture() != texture);
|
|
|
|
ctx.functions()->glClearColor(1.0, 0.0, 0.0, 1.0);
|
|
ctx.functions()->glClear(GL_COLOR_BUFFER_BIT);
|
|
ctx.functions()->glFinish();
|
|
|
|
QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32);
|
|
QImage reference(fb.size(), QImage::Format_RGB32);
|
|
reference.fill(0xffff0000);
|
|
|
|
QFUZZY_COMPARE_IMAGES(fb, reference);
|
|
|
|
ctx.functions()->glDeleteTextures(1, &texture);
|
|
delete fbo;
|
|
}
|
|
|
|
void tst_QOpenGL::fboRendering_data()
|
|
{
|
|
common_data();
|
|
}
|
|
|
|
// NOTE: This tests that CombinedDepthStencil attachment works by assuming the
|
|
// GL2 engine is being used and is implemented the same way as it was when
|
|
// this autotest was written. If this is not the case, there may be some
|
|
// false-positives: I.e. The test passes when either the depth or stencil
|
|
// buffer is actually missing. But that's probably ok anyway.
|
|
void tst_QOpenGL::fboRendering()
|
|
{
|
|
#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());
|
|
|
|
QVERIFY(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:
|
|
const QSize size(256, 128);
|
|
QOpenGLFramebufferObject fbo(size, fboFormat);
|
|
|
|
if (fbo.attachment() != QOpenGLFramebufferObject::CombinedDepthStencil)
|
|
QSKIP("FBOs missing combined depth~stencil support");
|
|
|
|
QVERIFY(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();
|
|
|
|
const QImage fb = fbo.toImage().convertToFormat(QImage::Format_RGB32);
|
|
QCOMPARE(fb.size(), size);
|
|
|
|
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()
|
|
{
|
|
QTest::addColumn<int>("surfaceClass");
|
|
QTest::addColumn<QImage::Format>("imageFormat");
|
|
|
|
QTest::newRow("Using QWindow - RGB32") << int(QSurface::Window) << QImage::Format_RGB32;
|
|
QTest::newRow("Using QOffscreenSurface - RGB32") << int(QSurface::Offscreen) << QImage::Format_RGB32;
|
|
QTest::newRow("Using QOffscreenSurface - RGBx8888") << int(QSurface::Offscreen) << QImage::Format_RGBX8888;
|
|
QTest::newRow("Using QOffscreenSurface - RGB888") << int(QSurface::Offscreen) << QImage::Format_RGB888;
|
|
QTest::newRow("Using QOffscreenSurface - RGB16") << int(QSurface::Offscreen) << QImage::Format_RGB16;
|
|
}
|
|
|
|
void tst_QOpenGL::openGLPaintDevice()
|
|
{
|
|
#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
|
|
QSKIP("QTBUG-22617");
|
|
#endif
|
|
|
|
QFETCH(int, surfaceClass);
|
|
QFETCH(QImage::Format, imageFormat);
|
|
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");
|
|
QVERIFY(ctx.makeCurrent(surface.data()));
|
|
|
|
const QSize size(128, 128);
|
|
|
|
QImage image(size, imageFormat);
|
|
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(size);
|
|
QVERIFY(fbo.bind());
|
|
|
|
QOpenGLPaintDevice device(size);
|
|
QVERIFY(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();
|
|
|
|
QImage actual = fbo.toImage().convertToFormat(imageFormat);
|
|
QCOMPARE(image.size(), actual.size());
|
|
QCOMPARE(image, actual);
|
|
|
|
QVERIFY(p.begin(&device));
|
|
p.fillRect(0, 0, image.width(), image.height(), Qt::black);
|
|
p.drawImage(0, 0, image);
|
|
p.end();
|
|
|
|
actual = fbo.toImage().convertToFormat(imageFormat);
|
|
QCOMPARE(image.size(), actual.size());
|
|
QCOMPARE(image, actual);
|
|
|
|
QVERIFY(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();
|
|
|
|
actual = fbo.toImage().convertToFormat(imageFormat);
|
|
QCOMPARE(image.size(), actual.size());
|
|
QCOMPARE(image, actual);
|
|
}
|
|
|
|
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
|
|
|
|
const QSize size(128, 128);
|
|
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
window.setGeometry(QRect(QPoint(0, 0), size));
|
|
window.create();
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
QVERIFY(ctx.makeCurrent(&window));
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
QOpenGLFramebufferObject fbo(size);
|
|
QVERIFY(fbo.bind());
|
|
|
|
QOpenGLPaintDevice device(size);
|
|
|
|
// 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(QPoint(0, 0), size), Qt::blue);
|
|
p.strokePath(path, pen);
|
|
p.end();
|
|
const QImage image = fbo.toImage().convertToFormat(QImage::Format_RGB32);
|
|
QCOMPARE(image.size(), size);
|
|
|
|
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);
|
|
}
|
|
|
|
#ifdef USE_GLX
|
|
void tst_QOpenGL::glxContextWrap()
|
|
{
|
|
QWindow *window = new QWindow;
|
|
window->setSurfaceType(QWindow::OpenGLSurface);
|
|
window->setGeometry(0, 0, 10, 10);
|
|
window->show();
|
|
QTest::qWaitForWindowExposed(window);
|
|
|
|
QPlatformNativeInterface *nativeIf = QGuiApplicationPrivate::instance()->platformIntegration()->nativeInterface();
|
|
QVERIFY(nativeIf);
|
|
|
|
// Fetch a GLXContext.
|
|
QOpenGLContext *ctx0 = new QOpenGLContext;
|
|
ctx0->setFormat(window->format());
|
|
QVERIFY(ctx0->create());
|
|
QVariant v = ctx0->nativeHandle();
|
|
QVERIFY(!v.isNull());
|
|
QVERIFY(v.canConvert<QGLXNativeContext>());
|
|
GLXContext context = v.value<QGLXNativeContext>().context();
|
|
QVERIFY(context);
|
|
|
|
// Then create another QOpenGLContext wrapping it.
|
|
QOpenGLContext *ctx = new QOpenGLContext;
|
|
ctx->setNativeHandle(QVariant::fromValue<QGLXNativeContext>(QGLXNativeContext(context)));
|
|
QVERIFY(ctx->create());
|
|
QVERIFY(ctx->nativeHandle().value<QGLXNativeContext>().context() == context);
|
|
QVERIFY(nativeIf->nativeResourceForContext(QByteArrayLiteral("glxcontext"), ctx) == (void *) context);
|
|
|
|
QVERIFY(ctx->makeCurrent(window));
|
|
ctx->doneCurrent();
|
|
|
|
delete ctx;
|
|
delete ctx0;
|
|
|
|
delete window;
|
|
}
|
|
#endif // USE_GLX
|
|
|
|
#if defined(Q_OS_WIN32) && !defined(QT_OPENGL_ES_2)
|
|
void tst_QOpenGL::wglContextWrap()
|
|
{
|
|
QScopedPointer<QOpenGLContext> ctx(new QOpenGLContext);
|
|
QVERIFY(ctx->create());
|
|
if (ctx->isOpenGLES())
|
|
QSKIP("Not applicable to EGL");
|
|
|
|
QScopedPointer<QWindow> window(new QWindow);
|
|
window->setSurfaceType(QWindow::OpenGLSurface);
|
|
window->setGeometry(0, 0, 256, 256);
|
|
window->show();
|
|
QTest::qWaitForWindowExposed(window.data());
|
|
|
|
QVariant v = ctx->nativeHandle();
|
|
QVERIFY(!v.isNull());
|
|
QVERIFY(v.canConvert<QWGLNativeContext>());
|
|
QWGLNativeContext nativeContext = v.value<QWGLNativeContext>();
|
|
QVERIFY(nativeContext.context());
|
|
|
|
// Now do a makeCurrent() do make sure the pixel format on the native
|
|
// window (the HWND we are going to retrieve below) is set.
|
|
QVERIFY(ctx->makeCurrent(window.data()));
|
|
ctx->doneCurrent();
|
|
|
|
HWND wnd = (HWND) qGuiApp->platformNativeInterface()->nativeResourceForWindow(QByteArrayLiteral("handle"), window.data());
|
|
QVERIFY(wnd);
|
|
|
|
QScopedPointer<QOpenGLContext> adopted(new QOpenGLContext);
|
|
adopted->setNativeHandle(QVariant::fromValue<QWGLNativeContext>(QWGLNativeContext(nativeContext.context(), wnd)));
|
|
QVERIFY(adopted->create());
|
|
|
|
// This tests two things: that a regular, non-adopted QOpenGLContext is
|
|
// able to return a QSurfaceFormat containing the real values after
|
|
// create(), and that the adopted context got the correct pixel format from
|
|
// window and was able to update its format accordingly.
|
|
QCOMPARE(adopted->format().version(), ctx->format().version());
|
|
QCOMPARE(adopted->format().profile(), ctx->format().profile());
|
|
QVERIFY(ctx->format().redBufferSize() > 0);
|
|
QCOMPARE(adopted->format().redBufferSize(), ctx->format().redBufferSize());
|
|
QVERIFY(ctx->format().greenBufferSize() > 0);
|
|
QCOMPARE(adopted->format().greenBufferSize(), ctx->format().greenBufferSize());
|
|
QVERIFY(ctx->format().blueBufferSize() > 0);
|
|
QCOMPARE(adopted->format().blueBufferSize(), ctx->format().blueBufferSize());
|
|
QVERIFY(ctx->format().depthBufferSize() > 0);
|
|
QCOMPARE(adopted->format().depthBufferSize(), ctx->format().depthBufferSize());
|
|
QVERIFY(ctx->format().stencilBufferSize() > 0);
|
|
QCOMPARE(adopted->format().stencilBufferSize(), ctx->format().stencilBufferSize());
|
|
|
|
// This must work since we are using the exact same window.
|
|
QVERIFY(adopted->makeCurrent(window.data()));
|
|
adopted->doneCurrent();
|
|
}
|
|
#endif // Q_OS_WIN32 && !QT_OPENGL_ES_2
|
|
|
|
void tst_QOpenGL::vaoCreate()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
QOpenGLContext *ctx = new QOpenGLContext;
|
|
ctx->create();
|
|
ctx->makeCurrent(surface.data());
|
|
|
|
QOpenGLVertexArrayObject vao;
|
|
bool success = vao.create();
|
|
if (ctx->isOpenGLES()) {
|
|
if (ctx->format().majorVersion() >= 3 || ctx->hasExtension(QByteArrayLiteral("GL_OES_vertex_array_object")))
|
|
QVERIFY(success);
|
|
} else {
|
|
if (ctx->format().majorVersion() >= 3 || ctx->hasExtension(QByteArrayLiteral("GL_ARB_vertex_array_object")))
|
|
QVERIFY(success);
|
|
}
|
|
|
|
vao.destroy();
|
|
ctx->doneCurrent();
|
|
}
|
|
|
|
QTEST_MAIN(tst_QOpenGL)
|
|
|
|
#include "tst_qopengl.moc"
|