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Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 1527e72..8228c7e 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1203,7 +1203,9 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush)
ensureActive();
QOpenGL2PaintEngineState *s = state();
- bool doOffset = !(s->renderHints & QPainter::Antialiasing) && style == Qt::SolidPattern;
+ bool doOffset = !(s->renderHints & QPainter::Antialiasing) &&
+ (style == Qt::SolidPattern) &&
+ !d->multisamplingAlwaysEnabled;
if (doOffset) {
d->temporaryTransform = s->matrix;
@@ -1242,7 +1244,7 @@ void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
ensureActive();
- bool doOffset = !(s->renderHints & QPainter::Antialiasing);
+ bool doOffset = !(s->renderHints & QPainter::Antialiasing) && !d->multisamplingAlwaysEnabled;
if (doOffset) {
d->temporaryTransform = s->matrix;
QTransform tx = QTransform::fromTranslate(0.49, .49);
@@ -1780,6 +1782,14 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
}
#endif
+#if defined(QT_OPENGL_ES_2)
+ // OpenGL ES can't switch MSAA off, so if the gl paint device is
+ // multisampled, it's always multisampled.
+ d->multisamplingAlwaysEnabled = d->device->format().sampleBuffers();
+#else
+ d->multisamplingAlwaysEnabled = false;
+#endif
+
return true;
}