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-rw-r--r--tests/auto/gui/qopengl/tst_qopengl.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/auto/gui/qopengl/tst_qopengl.cpp b/tests/auto/gui/qopengl/tst_qopengl.cpp
index 89ad66c1e8..a8834563a1 100644
--- a/tests/auto/gui/qopengl/tst_qopengl.cpp
+++ b/tests/auto/gui/qopengl/tst_qopengl.cpp
@@ -98,6 +98,8 @@ private slots:
void textureblitterPartTargetRectTransform();
void defaultSurfaceFormat();
+ void imageFormatPainting();
+
#ifdef USE_GLX
void glxContextWrap();
#endif
@@ -718,6 +720,68 @@ void tst_QOpenGL::fboHandleNulledAfterContextDestroyed()
QCOMPARE(fbo->handle(), 0U);
}
+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");