f8898cae83
This reverts commit e49d2daf19.
This doesn't fail on Wayland, perhaps a false alarm.
Fixes: QTBUG-100918
Pick-to: 6.4 6.2
Change-Id: I1415afdeaf1bff26dba3b3100b2aafcda00bcdd9
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
1757 lines
57 KiB
C++
1757 lines
57 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QtOpenGL/QOpenGLFramebufferObject>
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#include <QtOpenGL/QOpenGLPaintDevice>
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#include <QtOpenGL/QOpenGLTexture>
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#include <QtOpenGL/qopengltextureblitter.h>
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#include <QtOpenGL/QOpenGLVertexArrayObject>
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#include <QtOpenGL/QOpenGLBuffer>
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#if !QT_CONFIG(opengles2)
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# include <QtOpenGL/QOpenGLFunctions_4_2_Core>
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#endif
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#include <QtOpenGL/QOpenGLVersionFunctionsFactory>
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#include <QtGui/private/qopenglcontext_p.h>
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#include <QtGui/QOpenGLFunctions>
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#include <QtGui/QPainter>
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#include <QtGui/QPainterPath>
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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/qguiapplication_p.h>
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#include <QtGui/private/qopenglextensions_p.h>
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#include <qpa/qplatformintegration.h>
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#include <qpa/qplatformnativeinterface.h>
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#include <QTest>
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#include <QSignalSpy>
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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 initTestCase();
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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 fboRenderingRGB30_data();
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void fboRenderingRGB30();
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void fboRenderingRGB64_data();
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void fboRenderingRGB64();
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void fboHandleNulledAfterContextDestroyed();
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void fboMRT();
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void fboMRT_differentFormats();
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void openGLPaintDevice_data();
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void openGLPaintDevice();
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void openGLPaintDeviceWithChangingContext();
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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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void defaultSurfaceFormat();
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void imageFormatPainting();
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void nullTextureInitializtion();
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void clipRect();
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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) && !QT_CONFIG(opengles2)
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void wglContextWrap();
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#endif
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void vaoCreate();
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void bufferCreate();
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void bufferMapRange();
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void defaultQGLCurrentBuffer();
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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() override
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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) override
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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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void tst_QOpenGL::initTestCase()
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{
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if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL))
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QSKIP("OpenGL is not supported on this platform.");
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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.devicePixelRatio(), referenceImage.devicePixelRatio());
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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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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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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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QVERIFY(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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const QSize size(200, 100);
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QScopedPointer<QOpenGLFramebufferObject> fbo(new QOpenGLFramebufferObject(size, fboFormat));
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QVERIFY(fbo->bind());
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ctx.functions()->glClearColor(1.0, 0.0, 0.0, 1.0);
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ctx.functions()->glClear(GL_COLOR_BUFFER_BIT);
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ctx.functions()->glFinish();
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const QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32);
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QCOMPARE(fb.size(), size);
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QImage reference(size, QImage::Format_RGB32);
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reference.fill(0xffff0000);
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QFUZZY_COMPARE_IMAGES(fb, reference);
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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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QCOMPARE(fbo->texture(), GLuint(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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|
|
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 POT:
|
|
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::fboRenderingRGB30_data()
|
|
{
|
|
common_data();
|
|
}
|
|
|
|
#ifndef GL_RGB5_A1
|
|
#define GL_RGB5_A1 0x8057
|
|
#endif
|
|
|
|
#ifndef GL_RGBA8
|
|
#define GL_RGBA8 0x8058
|
|
#endif
|
|
|
|
#ifndef GL_RGB10_A2
|
|
#define GL_RGB10_A2 0x8059
|
|
#endif
|
|
|
|
#ifndef GL_RGBA16
|
|
#define GL_RGBA16 0x805B
|
|
#endif
|
|
|
|
#ifndef GL_FRAMEBUFFER_RENDERABLE
|
|
#define GL_FRAMEBUFFER_RENDERABLE 0x8289
|
|
#endif
|
|
|
|
#ifndef GL_FULL_SUPPORT
|
|
#define GL_FULL_SUPPORT 0x82B7
|
|
#endif
|
|
|
|
static bool supportsInternalFboFormat(QOpenGLContext *ctx, int glFormat)
|
|
{
|
|
if (ctx->format().majorVersion() < 3)
|
|
return false;
|
|
#if !QT_CONFIG(opengles2)
|
|
if (!ctx->isOpenGLES() && ctx->format().majorVersion() >= 4) {
|
|
GLint value = -1;
|
|
auto *vFuncs = QOpenGLVersionFunctionsFactory::get<QOpenGLFunctions_4_2_Core>(ctx);
|
|
if (vFuncs && vFuncs->initializeOpenGLFunctions()) {
|
|
vFuncs->glGetInternalformativ(GL_TEXTURE_2D, glFormat, GL_FRAMEBUFFER_RENDERABLE, 1, &value);
|
|
if (value != GL_FULL_SUPPORT)
|
|
return false;
|
|
}
|
|
}
|
|
#else
|
|
Q_UNUSED(glFormat);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
void tst_QOpenGL::fboRenderingRGB30()
|
|
{
|
|
#ifdef Q_OS_ANDROID
|
|
if (QNativeInterface::QAndroidApplication::sdkVersion() >= 31)
|
|
QSKIP("Fails on Android 12 (QTBUG-105738)");
|
|
#endif
|
|
#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");
|
|
|
|
if (!supportsInternalFboFormat(&ctx, GL_RGB10_A2))
|
|
QSKIP("An internal RGB30_A2 format is not guaranteed on this platform");
|
|
|
|
// No multisample with combined depth/stencil attachment:
|
|
QOpenGLFramebufferObjectFormat fboFormat;
|
|
fboFormat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
fboFormat.setInternalTextureFormat(GL_RGB10_A2);
|
|
|
|
// Uncomplicate things by using POT:
|
|
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();
|
|
|
|
QImage fb = fbo.toImage();
|
|
QCOMPARE(fb.format(), QImage::Format_A2BGR30_Premultiplied);
|
|
QCOMPARE(fb.size(), size);
|
|
|
|
qt_opengl_check_test_pattern(fb);
|
|
|
|
// Check rendering can handle color values below 1/256.
|
|
fboPainter.begin(&device);
|
|
fboPainter.fillRect(QRect(0, 0, 256, 128), QColor::fromRgbF(1.0/512, 1.0/512, 1.0/512));
|
|
fboPainter.end();
|
|
fb = fbo.toImage();
|
|
uint pixel = ((uint*)fb.bits())[0];
|
|
QVERIFY((pixel & 0x3f) > 0);
|
|
QVERIFY(((pixel >> 10) & 0x3f) > 0);
|
|
QVERIFY(((pixel >> 20) & 0x3f) > 0);
|
|
|
|
pixel = (3U << 30) | (2U << 20) | (2U << 10) | 2U;
|
|
fb.fill(pixel);
|
|
|
|
fboPainter.begin(&device);
|
|
fboPainter.setCompositionMode(QPainter::CompositionMode_Source);
|
|
fboPainter.drawImage(0, 0, fb);
|
|
fboPainter.end();
|
|
fb = fbo.toImage();
|
|
pixel = ((uint*)fb.bits())[0];
|
|
QVERIFY((pixel & 0x3f) > 0);
|
|
QVERIFY(((pixel >> 10) & 0x3f) > 0);
|
|
QVERIFY(((pixel >> 20) & 0x3f) > 0);
|
|
}
|
|
|
|
void tst_QOpenGL::fboRenderingRGB64_data()
|
|
{
|
|
common_data();
|
|
}
|
|
|
|
void tst_QOpenGL::fboRenderingRGB64()
|
|
{
|
|
#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");
|
|
|
|
if (!supportsInternalFboFormat(&ctx, GL_RGBA16))
|
|
QSKIP("An internal RGBA16 format is not guaranteed on this platform");
|
|
|
|
// No multisample with combined depth/stencil attachment:
|
|
QOpenGLFramebufferObjectFormat fboFormat;
|
|
fboFormat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
fboFormat.setInternalTextureFormat(GL_RGBA16);
|
|
|
|
// Uncomplicate things by using POT:
|
|
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();
|
|
|
|
QImage fb = fbo.toImage();
|
|
QCOMPARE(fb.format(), QImage::Format_RGBA64_Premultiplied);
|
|
QCOMPARE(fb.size(), size);
|
|
|
|
qt_opengl_check_test_pattern(fb);
|
|
|
|
// Check rendering can handle precise 16 bit color values.
|
|
fboPainter.begin(&device);
|
|
fboPainter.fillRect(QRect(0, 0, 256, 128), QColor::fromRgba64(5, 1002, 8001, 65535));
|
|
fboPainter.end();
|
|
fb = fbo.toImage();
|
|
QRgba64 pixel = ((QRgba64*)fb.bits())[0];
|
|
QCOMPARE(pixel.red(), 5);
|
|
QCOMPARE(pixel.green(), 1002);
|
|
QCOMPARE(pixel.blue(), 8001);
|
|
}
|
|
|
|
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::fboMRT()
|
|
{
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
window.setGeometry(0, 0, 10, 10);
|
|
window.create();
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
ctx.makeCurrent(&window);
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
if (!ctx.functions()->hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets))
|
|
QSKIP("Multiple render targets not supported on this platform");
|
|
|
|
QOpenGLExtraFunctions *ef = ctx.extraFunctions();
|
|
|
|
{
|
|
// 3 color attachments, different sizes, same internal format, no depth/stencil.
|
|
QList<QSize> sizes;
|
|
sizes << QSize(128, 128) << QSize(192, 128) << QSize(432, 123);
|
|
QOpenGLFramebufferObject fbo(sizes[0]);
|
|
fbo.addColorAttachment(sizes[1]);
|
|
fbo.addColorAttachment(sizes[2]);
|
|
QVERIFY(fbo.bind());
|
|
QCOMPARE(fbo.attachment(), QOpenGLFramebufferObject::NoAttachment);
|
|
QCOMPARE(sizes, fbo.sizes());
|
|
QCOMPARE(sizes[0], fbo.size());
|
|
// Clear the three buffers to red, green and blue.
|
|
GLenum drawBuf = GL_COLOR_ATTACHMENT0;
|
|
ef->glDrawBuffers(1, &drawBuf);
|
|
ef->glClearColor(1, 0, 0, 1);
|
|
ef->glClear(GL_COLOR_BUFFER_BIT);
|
|
drawBuf = GL_COLOR_ATTACHMENT0 + 1;
|
|
ef->glDrawBuffers(1, &drawBuf);
|
|
ef->glClearColor(0, 1, 0, 1);
|
|
ef->glClear(GL_COLOR_BUFFER_BIT);
|
|
drawBuf = GL_COLOR_ATTACHMENT0 + 2;
|
|
ef->glDrawBuffers(1, &drawBuf);
|
|
ef->glClearColor(0, 0, 1, 1);
|
|
ef->glClear(GL_COLOR_BUFFER_BIT);
|
|
// Verify, keeping in mind that only a 128x123 area is touched in the buffers.
|
|
// Some drivers do not get this right, unfortunately, so do not rely on it.
|
|
const char *vendor = (const char *) ef->glGetString(GL_VENDOR);
|
|
bool hasCorrectMRT = false;
|
|
if (vendor && strstr(vendor, "NVIDIA")) // maybe others too
|
|
hasCorrectMRT = true;
|
|
QImage img = fbo.toImage(false, 0);
|
|
QCOMPARE(img.size(), sizes[0]);
|
|
QCOMPARE(img.pixel(0, 0), qRgb(255, 0, 0));
|
|
if (hasCorrectMRT)
|
|
QCOMPARE(img.pixel(127, 122), qRgb(255, 0, 0));
|
|
img = fbo.toImage(false, 1);
|
|
QCOMPARE(img.size(), sizes[1]);
|
|
QCOMPARE(img.pixel(0, 0), qRgb(0, 255, 0));
|
|
if (hasCorrectMRT)
|
|
QCOMPARE(img.pixel(127, 122), qRgb(0, 255, 0));
|
|
img = fbo.toImage(false, 2);
|
|
QCOMPARE(img.size(), sizes[2]);
|
|
QCOMPARE(img.pixel(0, 0), qRgb(0, 0, 255));
|
|
if (hasCorrectMRT)
|
|
QCOMPARE(img.pixel(127, 122), qRgb(0, 0, 255));
|
|
fbo.release();
|
|
}
|
|
|
|
{
|
|
// 2 color attachments, same size, same internal format, depth/stencil.
|
|
QList<QSize> sizes;
|
|
sizes.fill(QSize(128, 128), 2);
|
|
QOpenGLFramebufferObject fbo(sizes[0], QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
fbo.addColorAttachment(sizes[1]);
|
|
QVERIFY(fbo.bind());
|
|
QCOMPARE(fbo.attachment(), QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
QCOMPARE(sizes, fbo.sizes());
|
|
QCOMPARE(sizes[0], fbo.size());
|
|
ef->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
ef->glFinish();
|
|
fbo.release();
|
|
}
|
|
}
|
|
|
|
void tst_QOpenGL::fboMRT_differentFormats()
|
|
{
|
|
QWindow window;
|
|
window.setSurfaceType(QWindow::OpenGLSurface);
|
|
window.setGeometry(0, 0, 10, 10);
|
|
window.create();
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
ctx.makeCurrent(&window);
|
|
|
|
QOpenGLFunctions *f = ctx.functions();
|
|
const char * vendor = (const char *) f->glGetString(GL_VENDOR);
|
|
if (vendor && strstr(vendor, "VMware, Inc."))
|
|
QSKIP("The tested formats may not be supported on this platform");
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
if (!f->hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets))
|
|
QSKIP("Multiple render targets not supported on this platform");
|
|
|
|
if (!supportsInternalFboFormat(&ctx, GL_RGB10_A2))
|
|
QSKIP("RGB10_A2 not supported on this platform");
|
|
|
|
// 3 color attachments, same size, different internal format, depth/stencil.
|
|
QList<QSize> sizes;
|
|
sizes.fill(QSize(128, 128), 3);
|
|
QOpenGLFramebufferObjectFormat format;
|
|
format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
QList<GLenum> internalFormats;
|
|
internalFormats << GL_RGBA8 << GL_RGB10_A2 << GL_RGB5_A1;
|
|
format.setInternalTextureFormat(internalFormats[0]);
|
|
QOpenGLFramebufferObject fbo(sizes[0], format);
|
|
fbo.addColorAttachment(sizes[1], internalFormats[1]);
|
|
fbo.addColorAttachment(sizes[2], internalFormats[2]);
|
|
|
|
QVERIFY(fbo.bind());
|
|
QCOMPARE(fbo.attachment(), QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
QCOMPARE(sizes, fbo.sizes());
|
|
QCOMPARE(sizes[0], fbo.size());
|
|
|
|
QOpenGLExtraFunctions *ef = ctx.extraFunctions();
|
|
QVERIFY(ef->glGetError() == 0);
|
|
ef->glClearColor(1, 0, 0, 1);
|
|
GLenum drawBuf[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT0 + 1, GL_COLOR_ATTACHMENT0 + 2 };
|
|
ef->glDrawBuffers(3, drawBuf);
|
|
ef->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
QVERIFY(ef->glGetError() == 0);
|
|
|
|
QImage img = fbo.toImage(true, 0);
|
|
QCOMPARE(img.size(), sizes[0]);
|
|
QCOMPARE(img.pixel(0, 0), qRgb(255, 0, 0));
|
|
img = fbo.toImage(true, 1);
|
|
QCOMPARE(img.size(), sizes[1]);
|
|
QCOMPARE(img.format(), QImage::Format_A2BGR30_Premultiplied);
|
|
QCOMPARE(img.pixel(0, 0), qRgb(255, 0, 0));
|
|
|
|
fbo.release();
|
|
}
|
|
|
|
void tst_QOpenGL::imageFormatPainting()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
|
|
QVERIFY(ctx.makeCurrent(surface.data()));
|
|
|
|
if (!QOpenGLFramebufferObject::hasOpenGLFramebufferObjects())
|
|
QSKIP("QOpenGLFramebufferObject not supported on this platform");
|
|
|
|
QOpenGLFramebufferObjectFormat fboFormat;
|
|
fboFormat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
|
|
|
|
const QSize size(128, 128);
|
|
QOpenGLFramebufferObject fbo(size, fboFormat);
|
|
|
|
if (fbo.attachment() != QOpenGLFramebufferObject::CombinedDepthStencil)
|
|
QSKIP("FBOs missing combined depth~stencil support");
|
|
|
|
QVERIFY(fbo.bind());
|
|
|
|
QImage alpha(128, 128, QImage::Format_Alpha8);
|
|
alpha.fill(127);
|
|
|
|
QPainter fboPainter;
|
|
QOpenGLPaintDevice device(fbo.width(), fbo.height());
|
|
|
|
QVERIFY(fboPainter.begin(&device));
|
|
fboPainter.fillRect(0, 0, 128, 128, qRgb(255, 0, 255));
|
|
fboPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
|
|
fboPainter.drawImage(0, 0, alpha);
|
|
fboPainter.end();
|
|
|
|
QImage fb = fbo.toImage();
|
|
QCOMPARE(fb.pixel(0, 0), qRgba(127, 0, 127, 127));
|
|
|
|
QImage grayscale(128, 128, QImage::Format_Grayscale8);
|
|
grayscale.fill(128);
|
|
|
|
QVERIFY(fboPainter.begin(&device));
|
|
fboPainter.setCompositionMode(QPainter::CompositionMode_Plus);
|
|
fboPainter.drawImage(0, 0, grayscale);
|
|
fboPainter.end();
|
|
|
|
fb = fbo.toImage();
|
|
QCOMPARE(fb.pixel(0, 0), qRgb(255, 128, 255));
|
|
|
|
QImage argb(128, 128, QImage::Format_ARGB32);
|
|
argb.fill(qRgba(255, 255, 255, 128));
|
|
|
|
QVERIFY(fboPainter.begin(&device));
|
|
fboPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
fboPainter.drawImage(0, 0, argb);
|
|
fboPainter.end();
|
|
|
|
fb = fbo.toImage();
|
|
QCOMPARE(fb.pixel(0, 0), qRgb(255, 192, 255));
|
|
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static void drawColoredRects(QPainter *p, const QSize &size)
|
|
{
|
|
p->fillRect(0, 0, size.width() / 2, size.height() / 2, Qt::red);
|
|
p->fillRect(size.width() / 2, 0, size.width() / 2, size.height() / 2, Qt::green);
|
|
p->fillRect(size.width() / 2, size.height() / 2, size.width() / 2, size.height() / 2, Qt::blue);
|
|
p->fillRect(0, size.height() / 2, size.width() / 2, size.height() / 2, Qt::white);
|
|
}
|
|
|
|
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);
|
|
drawColoredRects(&p, image.size());
|
|
p.end();
|
|
|
|
QOpenGLFramebufferObject fbo(size);
|
|
QVERIFY(fbo.bind());
|
|
|
|
QOpenGLPaintDevice device(size);
|
|
QVERIFY(p.begin(&device));
|
|
drawColoredRects(&p, image.size());
|
|
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::openGLPaintDeviceWithChangingContext()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
const QSize size(512, 512);
|
|
|
|
// QOpenGLPaintDevice has a thread-local paint engine. Therefore render
|
|
// twice, with a different context and device. Under the hood it will
|
|
// still use the same paint engine!
|
|
|
|
QOpenGLContext ctx;
|
|
QVERIFY(ctx.create());
|
|
QVERIFY(ctx.makeCurrent(surface.data()));
|
|
|
|
QOpenGLFramebufferObject fbo(size);
|
|
QVERIFY(fbo.bind());
|
|
|
|
QOpenGLPaintDevice device(size);
|
|
|
|
QPainter p;
|
|
QVERIFY(p.begin(&device));
|
|
drawColoredRects(&p, size);
|
|
p.end();
|
|
|
|
QImage img1 = fbo.toImage();
|
|
|
|
QOpenGLContext ctx2;
|
|
// When supported, test the special case, where the second context is
|
|
// totally incompatible due to being a core profile one.
|
|
QSurfaceFormat coreFormat;
|
|
coreFormat.setVersion(3, 2);
|
|
coreFormat.setProfile(QSurfaceFormat::CoreProfile);
|
|
ctx2.setFormat(coreFormat);
|
|
if (!ctx2.create() || !ctx2.makeCurrent(surface.data())) {
|
|
ctx2.setFormat(QSurfaceFormat());
|
|
QVERIFY(ctx2.create());
|
|
}
|
|
|
|
QVERIFY(ctx2.makeCurrent(surface.data()));
|
|
|
|
QOpenGLFramebufferObject fbo2(size);
|
|
QVERIFY(fbo2.bind());
|
|
|
|
QOpenGLPaintDevice device2(size);
|
|
|
|
QVERIFY(p.begin(&device2));
|
|
drawColoredRects(&p, size);
|
|
p.end();
|
|
|
|
QImage img2 = fbo2.toImage();
|
|
|
|
QFUZZY_COMPARE_IMAGES(img1, img2);
|
|
}
|
|
|
|
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;
|
|
parent.setSurfaceType(QWindow::OpenGLSurface);
|
|
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);
|
|
}
|
|
|
|
void tst_QOpenGL::defaultSurfaceFormat()
|
|
{
|
|
QSurfaceFormat fmt;
|
|
QCOMPARE(QSurfaceFormat::defaultFormat(), fmt);
|
|
|
|
fmt.setDepthBufferSize(16);
|
|
QSurfaceFormat::setDefaultFormat(fmt);
|
|
QCOMPARE(QSurfaceFormat::defaultFormat(), fmt);
|
|
QCOMPARE(QSurfaceFormat::defaultFormat().depthBufferSize(), 16);
|
|
|
|
QScopedPointer<QWindow> window(new QWindow);
|
|
QCOMPARE(window->requestedFormat(), fmt);
|
|
|
|
QScopedPointer<QOpenGLContext> context(new QOpenGLContext);
|
|
QCOMPARE(context->format(), fmt);
|
|
}
|
|
|
|
using namespace QNativeInterface;
|
|
|
|
#ifdef USE_GLX
|
|
void tst_QOpenGL::glxContextWrap()
|
|
{
|
|
if (QGuiApplication::platformName().startsWith(QLatin1String("offscreen"), Qt::CaseInsensitive))
|
|
QSKIP("Offscreen: This fails.");
|
|
|
|
if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive))
|
|
QSKIP("Fails on Wayland.");
|
|
|
|
QWindow *window = new QWindow;
|
|
window->setSurfaceType(QWindow::OpenGLSurface);
|
|
window->setGeometry(0, 0, 10, 10);
|
|
window->show();
|
|
QVERIFY(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());
|
|
auto *glxContextIf = ctx0->nativeInterface<QGLXContext>();
|
|
QVERIFY(glxContextIf);
|
|
GLXContext context = glxContextIf->nativeContext();
|
|
QVERIFY(context);
|
|
|
|
// Then create another QOpenGLContext wrapping it.
|
|
QOpenGLContext *ctx = QGLXContext::fromNative(context);
|
|
QVERIFY(ctx);
|
|
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) && !QT_CONFIG(opengles2)
|
|
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();
|
|
QVERIFY(QTest::qWaitForWindowExposed(window.data()));
|
|
|
|
auto *wglContext = ctx->nativeInterface<QWGLContext>();
|
|
QVERIFY(wglContext);
|
|
QVERIFY(wglContext->nativeContext());
|
|
|
|
// 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(QWGLContext::fromNative(wglContext->nativeContext(), wnd));
|
|
QVERIFY(!adopted.isNull());
|
|
QVERIFY(adopted->isValid());
|
|
|
|
// 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_CONFIG(opengles2)
|
|
|
|
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();
|
|
}
|
|
|
|
void tst_QOpenGL::bufferCreate()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
QOpenGLContext *ctx = new QOpenGLContext;
|
|
ctx->create();
|
|
ctx->makeCurrent(surface.data());
|
|
|
|
QOpenGLBuffer buf;
|
|
|
|
QVERIFY(!buf.isCreated());
|
|
|
|
QVERIFY(buf.create());
|
|
QVERIFY(buf.isCreated());
|
|
|
|
QCOMPARE(buf.type(), QOpenGLBuffer::VertexBuffer);
|
|
|
|
buf.bind();
|
|
buf.allocate(128);
|
|
QCOMPARE(buf.size(), 128);
|
|
|
|
{
|
|
QOpenGLBuffer moved = std::move(buf);
|
|
QCOMPARE_EQ(moved.isCreated(), true);
|
|
QCOMPARE_EQ(moved.size(), 128);
|
|
buf = std::move(moved);
|
|
}
|
|
|
|
buf.release();
|
|
|
|
buf.destroy();
|
|
QVERIFY(!buf.isCreated());
|
|
|
|
ctx->doneCurrent();
|
|
}
|
|
|
|
void tst_QOpenGL::bufferMapRange()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
QOpenGLContext *ctx = new QOpenGLContext;
|
|
ctx->create();
|
|
ctx->makeCurrent(surface.data());
|
|
|
|
QOpenGLExtensions funcs(ctx);
|
|
if (!funcs.hasOpenGLExtension(QOpenGLExtensions::MapBufferRange))
|
|
QSKIP("glMapBufferRange not supported");
|
|
|
|
QOpenGLBuffer buf;
|
|
QVERIFY(buf.create());
|
|
buf.bind();
|
|
const char data[] = "some data";
|
|
buf.allocate(data, sizeof(data));
|
|
|
|
char *p = (char *) buf.mapRange(0, sizeof(data), QOpenGLBuffer::RangeRead | QOpenGLBuffer::RangeWrite);
|
|
QVERIFY(p);
|
|
QVERIFY(!strcmp(p, data));
|
|
p[1] = 'O';
|
|
buf.unmap();
|
|
|
|
p = (char *) buf.mapRange(1, 2, QOpenGLBuffer::RangeWrite);
|
|
QVERIFY(p);
|
|
p[1] = 'M';
|
|
buf.unmap();
|
|
|
|
p = (char *) buf.mapRange(0, sizeof(data), QOpenGLBuffer::RangeRead);
|
|
QVERIFY(!strcmp(p, "sOMe data"));
|
|
buf.unmap();
|
|
|
|
buf.destroy();
|
|
ctx->doneCurrent();
|
|
}
|
|
|
|
void tst_QOpenGL::defaultQGLCurrentBuffer()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
QScopedPointer<QOpenGLContext> ctx(new QOpenGLContext);
|
|
ctx->create();
|
|
ctx->makeCurrent(surface.data());
|
|
|
|
// Bind default FBO on the current context, and record what's the current QGL FBO. It should
|
|
// be nullptr because the default platform OpenGL FBO is not backed by a
|
|
// QOpenGLFramebufferObject.
|
|
QOpenGLFramebufferObject::bindDefault();
|
|
QOpenGLFramebufferObject *defaultQFBO = QOpenGLContextPrivate::get(ctx.data())->qgl_current_fbo;
|
|
|
|
// Create new FBO, bind it, and see that the QGL FBO points to the newly created FBO.
|
|
QScopedPointer<QOpenGLFramebufferObject> obj(new QOpenGLFramebufferObject(128, 128));
|
|
obj->bind();
|
|
QOpenGLFramebufferObject *customQFBO = QOpenGLContextPrivate::get(ctx.data())->qgl_current_fbo;
|
|
QVERIFY(defaultQFBO != customQFBO);
|
|
|
|
// Bind the default FBO, and check that the QGL FBO points to the original FBO object.
|
|
QOpenGLFramebufferObject::bindDefault();
|
|
QOpenGLFramebufferObject *finalQFBO = QOpenGLContextPrivate::get(ctx.data())->qgl_current_fbo;
|
|
QCOMPARE(defaultQFBO, finalQFBO);
|
|
|
|
ctx->doneCurrent();
|
|
}
|
|
|
|
void tst_QOpenGL::nullTextureInitializtion()
|
|
{
|
|
QScopedPointer<QSurface> surface(createSurface(QSurface::Window));
|
|
QOpenGLContext ctx;
|
|
ctx.create();
|
|
ctx.makeCurrent(surface.data());
|
|
|
|
QImage i;
|
|
QOpenGLTexture t(i);
|
|
QVERIFY(!t.isCreated());
|
|
}
|
|
|
|
/*
|
|
Verify that the clipping works correctly.
|
|
Just like fillRect, cliprect should snap rightwards and downwards in case of .5 coordinates.
|
|
The red outline should be covered by the blue rect on top,
|
|
while it should be clipped on the other edges and thus the red outline be visible
|
|
|
|
See: QTBUG-83229, modified by QTBUG-100329
|
|
*/
|
|
void tst_QOpenGL::clipRect()
|
|
{
|
|
#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
|
|
QSKIP("QTBUG-22617");
|
|
#endif
|
|
|
|
QScopedPointer<QSurface> surface(createSurface(int(QSurface::Window)));
|
|
|
|
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 POT:
|
|
const QSize size(654, 480);
|
|
const QRect rect(QPoint(0, 0), size);
|
|
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);
|
|
|
|
qreal halfWidth = size.width() / 2.0;
|
|
qreal halfHeight = size.height() / 2.0;
|
|
|
|
QRectF clipRect = QRectF(halfWidth - halfWidth / 2.0, halfHeight - halfHeight / 2.0,
|
|
halfWidth / 2.0, halfHeight / 2.0);
|
|
|
|
fboPainter.fillRect(rect, Qt::white);
|
|
fboPainter.setPen(Qt::red);
|
|
fboPainter.drawRect(clipRect);
|
|
|
|
fboPainter.setClipRect(clipRect, Qt::ReplaceClip);
|
|
fboPainter.fillRect(rect, Qt::blue);
|
|
|
|
fboPainter.end();
|
|
|
|
const QImage fb = fbo.toImage().convertToFormat(QImage::Format_RGB32);
|
|
QCOMPARE(fb.size(), size);
|
|
|
|
QCOMPARE(fb.pixelColor(clipRect.left() + 1, clipRect.top()), QColor(Qt::blue));
|
|
QCOMPARE(fb.pixelColor(clipRect.left(), clipRect.top() + 1), QColor(Qt::red));
|
|
QCOMPARE(fb.pixelColor(clipRect.left() + 1, clipRect.bottom()), QColor(Qt::red));
|
|
|
|
// Enable this once QTBUG-85286 is fixed
|
|
//QCOMPARE(fb.pixelColor(clipRect.right(), clipRect.top() + 1), QColor(Qt::red));
|
|
}
|
|
|
|
QTEST_MAIN(tst_QOpenGL)
|
|
|
|
#include "tst_qopengl.moc"
|