diff options
Diffstat (limited to 'tests/auto/qgl/tst_qgl.cpp')
| -rw-r--r-- | tests/auto/qgl/tst_qgl.cpp | 339 |
1 files changed, 191 insertions, 148 deletions
diff --git a/tests/auto/qgl/tst_qgl.cpp b/tests/auto/qgl/tst_qgl.cpp index e036e4bc6d..5dc072d4a1 100644 --- a/tests/auto/qgl/tst_qgl.cpp +++ b/tests/auto/qgl/tst_qgl.cpp @@ -76,13 +76,13 @@ private slots: void partialGLWidgetUpdates_data(); void partialGLWidgetUpdates(); void glWidgetRendering(); + void glFBOSimpleRendering(); void glFBORendering(); void multipleFBOInterleavedRendering(); void glFBOUseInGLWidget(); void glPBufferRendering(); void glWidgetReparent(); void glWidgetRenderPixmap(); - void stackedFBOs(); void colormap(); void fboFormat(); void testDontCrashOnDanglingResources(); @@ -118,6 +118,16 @@ public: void setAutoBufferSwap(bool on) { QGLWidget::setAutoBufferSwap(on); } }; +static int appDefaultDepth() +{ + static int depth = 0; + if (depth == 0) { + QPixmap pm(1, 1); + depth = pm.depth(); + } + return depth; +} + // Using INT_MIN and INT_MAX will cause failures on systems // where "int" is 64-bit, so use the explicit values instead. #define TEST_INT_MIN (-2147483647 - 1) @@ -702,6 +712,79 @@ void tst_QGL::openGLVersionCheck() #endif //QT_BUILD_INTERNAL } +static bool fuzzyComparePixels(const QRgb testPixel, const QRgb refPixel, const char* file, int line, int x = -1, int y = -1) +{ + static int maxFuzz = 1; + static bool maxFuzzSet = false; + + // On 16 bpp systems, we need to allow for more fuzz: + if (!maxFuzzSet) { + maxFuzzSet = true; + if (appDefaultDepth() < 24) + maxFuzz = 32; + } + + int redFuzz = qAbs(qRed(testPixel) - qRed(refPixel)); + int greenFuzz = qAbs(qGreen(testPixel) - qGreen(refPixel)); + int blueFuzz = qAbs(qBlue(testPixel) - qBlue(refPixel)); + int alphaFuzz = qAbs(qAlpha(testPixel) - qAlpha(refPixel)); + + if (refPixel != 0 && testPixel == 0) { + QString msg; + if (x >= 0) { + msg = QString("Test pixel [%1, %2] is null (black) when it should be (%3,%4,%5,%6)") + .arg(x).arg(y) + .arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel)); + } else { + msg = QString("Test pixel is null (black) when it should be (%2,%3,%4,%5)") + .arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel)); + } + + QTest::qFail(msg.toLatin1(), file, line); + return false; + } + + if (redFuzz > maxFuzz || greenFuzz > maxFuzz || blueFuzz > maxFuzz || alphaFuzz > maxFuzz) { + QString msg; + + if (x >= 0) + msg = QString("Pixel [%1,%2]: ").arg(x).arg(y); + else + msg = QString("Pixel "); + + msg += QString("Max fuzz (%1) exceeded: (%2,%3,%4,%5) vs (%6,%7,%8,%9)") + .arg(maxFuzz) + .arg(qRed(testPixel)).arg(qGreen(testPixel)).arg(qBlue(testPixel)).arg(qAlpha(testPixel)) + .arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel)); + QTest::qFail(msg.toLatin1(), file, line); + return false; + } + return true; +} + +static void fuzzyCompareImages(const QImage &testImage, const QImage &referenceImage, const char* file, int line) +{ + QCOMPARE(testImage.width(), referenceImage.width()); + QCOMPARE(testImage.height(), referenceImage.height()); + + for (int y = 0; y < testImage.height(); y++) { + for (int x = 0; x < testImage.width(); x++) { + if (!fuzzyComparePixels(testImage.pixel(x, y), referenceImage.pixel(x, y), file, line, x, y)) { + // Might as well save the images for easier debugging: + referenceImage.save("referenceImage.png"); + testImage.save("testImage.png"); + return; + } + } + } +} + +#define QFUZZY_COMPARE_IMAGES(A,B) \ + fuzzyCompareImages(A, B, __FILE__, __LINE__) + +#define QFUZZY_COMPARE_PIXELS(A,B) \ + fuzzyComparePixels(A, B, __FILE__, __LINE__) + class UnclippedWidget : public QWidget { public: @@ -723,6 +806,9 @@ void tst_QGL::graphicsViewClipping() scene.addWidget(widget)->setPos(0, 0); QGraphicsView view(&scene); +#ifdef Q_WS_QWS + view.setWindowFlags(Qt::FramelessWindowHint); +#endif view.resize(2*size, 2*size); QGLWidget *viewport = new QGLWidget; @@ -747,7 +833,7 @@ void tst_QGL::graphicsViewClipping() p.fillRect(QRect(0, 0, size, size), Qt::black); p.end(); - QCOMPARE(image, expected); + QFUZZY_COMPARE_IMAGES(image, expected); } void tst_QGL::partialGLWidgetUpdates_data() @@ -838,7 +924,7 @@ void tst_QGL::glPBufferRendering() p.fillRect(32, 32, 64, 64, Qt::blue); p.end(); - QCOMPARE(fb, reference); + QFUZZY_COMPARE_IMAGES(fb, reference); } class GLWidget : public QGLWidget @@ -857,8 +943,8 @@ public: // This test only ensures it's possible to paint onto a QGLWidget. Full // paint engine feature testing is way out of scope! + p.fillRect(-1, -1, width()+2, height()+2, Qt::red); - p.fillRect(0, 0, width(), height(), Qt::red); // No p.end() or swap buffers, should be done automatically } @@ -867,6 +953,10 @@ public: void tst_QGL::glWidgetRendering() { GLWidget w; +#ifdef Q_WS_QWS + w.setWindowFlags(Qt::FramelessWindowHint); +#endif + w.setGeometry(100, 100, 200, 200); w.show(); #ifdef Q_WS_X11 @@ -881,7 +971,37 @@ void tst_QGL::glWidgetRendering() QImage reference(fb.size(), QImage::Format_RGB32); reference.fill(0xffff0000); - QCOMPARE(fb, reference); + QFUZZY_COMPARE_IMAGES(fb, reference); +} + +void tst_QGL::glFBOSimpleRendering() +{ + if (!QGLFramebufferObject::hasOpenGLFramebufferObjects()) + QSKIP("QGLFramebufferObject not supported on this platform", SkipSingle); + + QGLWidget glw; + glw.makeCurrent(); + + // No multisample with combined depth/stencil attachment: + QGLFramebufferObjectFormat fboFormat; + fboFormat.setAttachment(QGLFramebufferObject::NoAttachment); + + // Don't complicate things by using NPOT: + QGLFramebufferObject *fbo = new QGLFramebufferObject(256, 128, fboFormat); + + fbo->bind(); + + glClearColor(1.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + glFinish(); + + QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32); + QImage reference(fb.size(), QImage::Format_RGB32); + reference.fill(0xffff0000); + + QFUZZY_COMPARE_IMAGES(fb, reference); + + delete fbo; } // NOTE: This tests that CombinedDepthStencil attachment works by assuming the @@ -936,14 +1056,14 @@ void tst_QGL::glFBORendering() // As we're doing more than trivial painting, we can't just compare to // an image rendered with raster. Instead, we sample at well-defined // test-points: - QCOMPARE(fb.pixel(39, 64), QColor(Qt::red).rgb()); - QCOMPARE(fb.pixel(89, 64), QColor(Qt::red).rgb()); - QCOMPARE(fb.pixel(64, 39), QColor(Qt::blue).rgb()); - QCOMPARE(fb.pixel(64, 89), QColor(Qt::blue).rgb()); - - QCOMPARE(fb.pixel(167, 39), QColor(Qt::red).rgb()); - QCOMPARE(fb.pixel(217, 39), QColor(Qt::red).rgb()); - QCOMPARE(fb.pixel(192, 64), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb.pixel(39, 64), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb.pixel(89, 64), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb.pixel(64, 39), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb.pixel(64, 89), QColor(Qt::blue).rgb()); + + QFUZZY_COMPARE_PIXELS(fb.pixel(167, 39), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb.pixel(217, 39), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb.pixel(192, 64), QColor(Qt::green).rgb()); } @@ -1034,29 +1154,29 @@ void tst_QGL::multipleFBOInterleavedRendering() // As we're doing more than trivial painting, we can't just compare to // an image rendered with raster. Instead, we sample at well-defined // test-points: - QCOMPARE(fb1.pixel(39, 64), QColor(Qt::red).rgb()); - QCOMPARE(fb1.pixel(89, 64), QColor(Qt::red).rgb()); - QCOMPARE(fb1.pixel(64, 39), QColor(Qt::blue).rgb()); - QCOMPARE(fb1.pixel(64, 89), QColor(Qt::blue).rgb()); - QCOMPARE(fb1.pixel(167, 39), QColor(Qt::red).rgb()); - QCOMPARE(fb1.pixel(217, 39), QColor(Qt::red).rgb()); - QCOMPARE(fb1.pixel(192, 64), QColor(Qt::green).rgb()); - - QCOMPARE(fb2.pixel(39, 64), QColor(Qt::green).rgb()); - QCOMPARE(fb2.pixel(89, 64), QColor(Qt::green).rgb()); - QCOMPARE(fb2.pixel(64, 39), QColor(Qt::red).rgb()); - QCOMPARE(fb2.pixel(64, 89), QColor(Qt::red).rgb()); - QCOMPARE(fb2.pixel(167, 39), QColor(Qt::green).rgb()); - QCOMPARE(fb2.pixel(217, 39), QColor(Qt::green).rgb()); - QCOMPARE(fb2.pixel(192, 64), QColor(Qt::blue).rgb()); - - QCOMPARE(fb3.pixel(39, 64), QColor(Qt::blue).rgb()); - QCOMPARE(fb3.pixel(89, 64), QColor(Qt::blue).rgb()); - QCOMPARE(fb3.pixel(64, 39), QColor(Qt::green).rgb()); - QCOMPARE(fb3.pixel(64, 89), QColor(Qt::green).rgb()); - QCOMPARE(fb3.pixel(167, 39), QColor(Qt::blue).rgb()); - QCOMPARE(fb3.pixel(217, 39), QColor(Qt::blue).rgb()); - QCOMPARE(fb3.pixel(192, 64), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(39, 64), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(89, 64), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(64, 39), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(64, 89), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(167, 39), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(217, 39), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb1.pixel(192, 64), QColor(Qt::green).rgb()); + + QFUZZY_COMPARE_PIXELS(fb2.pixel(39, 64), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb2.pixel(89, 64), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb2.pixel(64, 39), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb2.pixel(64, 89), QColor(Qt::red).rgb()); + QFUZZY_COMPARE_PIXELS(fb2.pixel(167, 39), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb2.pixel(217, 39), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb2.pixel(192, 64), QColor(Qt::blue).rgb()); + + QFUZZY_COMPARE_PIXELS(fb3.pixel(39, 64), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb3.pixel(89, 64), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb3.pixel(64, 39), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb3.pixel(64, 89), QColor(Qt::green).rgb()); + QFUZZY_COMPARE_PIXELS(fb3.pixel(167, 39), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb3.pixel(217, 39), QColor(Qt::blue).rgb()); + QFUZZY_COMPARE_PIXELS(fb3.pixel(192, 64), QColor(Qt::red).rgb()); } class FBOUseInGLWidget : public QGLWidget @@ -1076,11 +1196,11 @@ protected: QPainter fboPainter; fboPainterBeginOk = fboPainter.begin(fbo); - fboPainter.fillRect(0, 0, 128, 128, Qt::red); + fboPainter.fillRect(-1, -1, 130, 130, Qt::red); fboPainter.end(); fboImage = fbo->toImage(); - widgetPainter.fillRect(rect(), Qt::blue); + widgetPainter.fillRect(-1, -1, width()+2, width()+2, Qt::blue); delete fbo; } @@ -1093,6 +1213,9 @@ void tst_QGL::glFBOUseInGLWidget() QSKIP("QGLFramebufferObject not supported on this platform", SkipSingle); FBOUseInGLWidget w; +#ifdef Q_WS_QWS + w.setWindowFlags(Qt::FramelessWindowHint); +#endif w.resize(128, 128); w.show(); @@ -1107,11 +1230,11 @@ void tst_QGL::glFBOUseInGLWidget() QImage widgetFB = w.grabFrameBuffer(false); QImage widgetReference(widgetFB.size(), widgetFB.format()); widgetReference.fill(0xff0000ff); - QCOMPARE(widgetFB, widgetReference); + QFUZZY_COMPARE_IMAGES(widgetFB, widgetReference); QImage fboReference(w.fboImage.size(), w.fboImage.format()); fboReference.fill(0xffff0000); - QCOMPARE(w.fboImage, fboReference); + QFUZZY_COMPARE_IMAGES(w.fboImage, fboReference); } void tst_QGL::glWidgetReparent() @@ -1205,113 +1328,9 @@ void tst_QGL::glWidgetRenderPixmap() QImage reference(fb.size(), QImage::Format_RGB32); reference.fill(0xffff0000); - QCOMPARE(fb, reference); + QFUZZY_COMPARE_IMAGES(fb, reference); } - -// When using multiple FBOs at the same time, unbinding one FBO should re-bind the -// previous. I.e. It should be possible to have a stack of FBOs where pop'ing there -// top re-binds the one underneeth. -void tst_QGL::stackedFBOs() -{ - if (!QGLFramebufferObject::hasOpenGLFramebufferObjects()) - QSKIP("QGLFramebufferObject not supported on this platform", SkipSingle); - - QGLWidget glw; - glw.show(); - -#ifdef Q_WS_X11 - qt_x11_wait_for_window_manager(&glw); -#endif - QTest::qWait(200); - - glw.makeCurrent(); - - // No multisample with combined depth/stencil attachment: - QGLFramebufferObjectFormat fboFormat; - fboFormat.setAttachment(QGLFramebufferObject::CombinedDepthStencil); - - // Don't complicate things by using NPOT: - QGLFramebufferObject *fbo1 = new QGLFramebufferObject(128, 128, fboFormat); - QGLFramebufferObject *fbo2 = new QGLFramebufferObject(128, 128, fboFormat); - QGLFramebufferObject *fbo3 = new QGLFramebufferObject(128, 128, fboFormat); - - glClearColor(1.0, 0.0, 1.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - - fbo1->bind(); - glClearColor(1.0, 0.0, 0.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - - fbo2->bind(); - glClearColor(0.0, 1.0, 0.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - - fbo3->bind(); - glClearColor(0.0, 0.0, 1.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - glScissor(32, 32, 64, 64); - glEnable(GL_SCISSOR_TEST); - glClearColor(0.0, 1.0, 1.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - fbo3->release(); - - // Scissor rect & test should be left untouched by the fbo release... - glClearColor(0.0, 0.0, 0.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - fbo2->release(); - - glClearColor(1.0, 1.0, 1.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - fbo1->release(); - - glClearColor(1.0, 1.0, 0.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); - - glw.swapBuffers(); - - QImage widgetFB = glw.grabFrameBuffer(false).convertToFormat(QImage::Format_RGB32); - QImage fb1 = fbo1->toImage().convertToFormat(QImage::Format_RGB32); - QImage fb2 = fbo2->toImage().convertToFormat(QImage::Format_RGB32); - QImage fb3 = fbo3->toImage().convertToFormat(QImage::Format_RGB32); - - delete fbo1; - delete fbo2; - delete fbo3; - - QImage widgetReference(widgetFB.size(), widgetFB.format()); - QImage fb1Reference(fb1.size(), fb1.format()); - QImage fb2Reference(fb2.size(), fb2.format()); - QImage fb3Reference(fb3.size(), fb3.format()); - - QPainter widgetReferencePainter(&widgetReference); - QPainter fb1ReferencePainter(&fb1Reference); - QPainter fb2ReferencePainter(&fb2Reference); - QPainter fb3ReferencePainter(&fb3Reference); - - widgetReferencePainter.fillRect(0, 0, widgetReference.width(), widgetReference.height(), Qt::magenta); - fb1ReferencePainter.fillRect(0, 0, fb1Reference.width(), fb1Reference.height(), Qt::red); - fb2ReferencePainter.fillRect(0, 0, fb2Reference.width(), fb2Reference.height(), Qt::green); - fb3ReferencePainter.fillRect(0, 0, fb3Reference.width(), fb3Reference.height(), Qt::blue); - - // Flip y-coords to match GL for the widget (which can be any size) - widgetReferencePainter.fillRect(32, glw.height() - 96, 64, 64, Qt::yellow); - fb1ReferencePainter.fillRect(32, 32, 64, 64, Qt::white); - fb2ReferencePainter.fillRect(32, 32, 64, 64, Qt::black); - fb3ReferencePainter.fillRect(32, 32, 64, 64, Qt::cyan); - - widgetReferencePainter.end(); - fb1ReferencePainter.end(); - fb2ReferencePainter.end(); - fb3ReferencePainter.end(); - - QCOMPARE(widgetFB, widgetReference); - QCOMPARE(fb1, fb1Reference); - QCOMPARE(fb2, fb2Reference); - QCOMPARE(fb3, fb3Reference); -} - - class ColormapExtended : public QGLColormap { public: @@ -1583,6 +1602,9 @@ protected: void tst_QGL::replaceClipping() { ReplaceClippingGLWidget glw; +#ifdef Q_WS_QWS + glw.setWindowFlags(Qt::FramelessWindowHint); +#endif glw.resize(300, 300); glw.show(); @@ -1598,7 +1620,13 @@ void tst_QGL::replaceClipping() const QImage widgetFB = glw.grabFrameBuffer(false).convertToFormat(QImage::Format_RGB32); - QCOMPARE(widgetFB, reference); + // Sample pixels in a grid pattern which avoids false failures due to + // off-by-one pixel errors on some buggy GL implementations + for (int x = 25; x < reference.width(); x += 50) { + for (int y = 25; y < reference.width(); y += 50) { + QFUZZY_COMPARE_PIXELS(widgetFB.pixel(x, y), reference.pixel(x, y)); + } + } } class ClipTestGLWidget : public QGLWidget @@ -1606,7 +1634,7 @@ class ClipTestGLWidget : public QGLWidget public: void paint(QPainter *painter) { - painter->fillRect(rect(), Qt::white); + painter->fillRect(-1, -1, width()+2, height()+2, Qt::white); painter->setClipRect(10, 10, width()-20, height()-20); painter->fillRect(rect(), Qt::cyan); @@ -1708,6 +1736,9 @@ protected: void tst_QGL::clipTest() { ClipTestGLWidget glw; +#ifdef Q_WS_QWS + glw.setWindowFlags(Qt::FramelessWindowHint); +#endif glw.resize(220, 220); glw.show(); @@ -1723,7 +1754,13 @@ void tst_QGL::clipTest() const QImage widgetFB = glw.grabFrameBuffer(false).convertToFormat(QImage::Format_RGB32); - QCOMPARE(widgetFB, reference); + // Sample pixels in a grid pattern which avoids false failures due to + // off-by-one pixel errors on some buggy GL implementations + for (int x = 2; x < reference.width(); x += 5) { + for (int y = 2; y < reference.width(); y += 5) { + QFUZZY_COMPARE_PIXELS(widgetFB.pixel(x, y), reference.pixel(x, y)); + } + } } void tst_QGL::destroyFBOAfterContext() @@ -1805,12 +1842,14 @@ void tst_QGL::shareRegister() QVERIFY(qt_shared_test()->value(glw1->context()) == res1); // Create another context that shares with the first. + QVERIFY(!glw1->isSharing()); QGLWidget *glw2 = new QGLWidget(0, glw1); if (!glw2->isSharing()) { delete glw2; delete glw1; QSKIP("Context sharing is not supported", SkipSingle); } + QVERIFY(glw1->isSharing()); QVERIFY(glw1->context() != glw2->context()); // Check that the first context's resource is also on the second. @@ -1842,6 +1881,7 @@ void tst_QGL::shareRegister() // Create a third context, not sharing with the others. QGLWidget *glw3 = new QGLWidget(); + QVERIFY(!glw3->isSharing()); // Create a guard on the standalone context. QGLSharedResourceGuard guard3(glw3->context()); @@ -1890,6 +1930,9 @@ void tst_QGL::shareRegister() // Delete the first context. delete glw1; + // The second context should no longer register as sharing. + QVERIFY(!glw2->isSharing()); + // The first context's resource should transfer to the second context. QCOMPARE(tst_QGLResource::deletions, 0); QVERIFY(qt_shared_test()->value(glw2->context()) == res1); |