diff options
| -rw-r--r-- | tests/auto/qgl/tst_qgl.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/auto/qgl/tst_qgl.cpp b/tests/auto/qgl/tst_qgl.cpp index ae31572..59779b0 100644 --- a/tests/auto/qgl/tst_qgl.cpp +++ b/tests/auto/qgl/tst_qgl.cpp @@ -45,6 +45,7 @@ #include <qcoreapplication.h> #include <qdebug.h> #include <qgl.h> +#include <qglpixelbuffer.h> #include <qglcolormap.h> #include <qpaintengine.h> @@ -70,6 +71,7 @@ private slots: void partialGLWidgetUpdates_data(); void partialGLWidgetUpdates(); void glWidgetRendering(); + void glPBufferRendering(); void glWidgetReparent(); void colormap(); }; @@ -630,6 +632,37 @@ void tst_QGL::partialGLWidgetUpdates() } +// This tests that rendering to a QGLPBuffer using QPainter works. +void tst_QGL::glPBufferRendering() +{ + if (!QGLPixelBuffer::hasOpenGLPbuffers()) + QSKIP("QGLPixelBuffer not supported on this platform", SkipSingle); + + QGLPixelBuffer* pbuf = new QGLPixelBuffer(128, 128); + + QPainter p; + bool begun = p.begin(pbuf); + QVERIFY(begun); + + QPaintEngine::Type engineType = p.paintEngine()->type(); + QVERIFY(engineType == QPaintEngine::OpenGL || engineType == QPaintEngine::OpenGL2); + + p.fillRect(0, 0, 128, 128, Qt::red); + p.fillRect(32, 32, 64, 64, Qt::blue); + p.end(); + + QImage fb = pbuf->toImage(); + delete pbuf; + + QImage reference(128, 128, fb.format()); + p.begin(&reference); + p.fillRect(0, 0, 128, 128, Qt::red); + p.fillRect(32, 32, 64, 64, Qt::blue); + p.end(); + + QCOMPARE(fb, reference); +} + class GLWidget : public QGLWidget { public: |