diff options
| -rw-r--r-- | src/gui/opengl/qopenglframebufferobject.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/gui/opengl/qopenglframebufferobject.cpp b/src/gui/opengl/qopenglframebufferobject.cpp index 6714ea3d49..5e22554303 100644 --- a/src/gui/opengl/qopenglframebufferobject.cpp +++ b/src/gui/opengl/qopenglframebufferobject.cpp @@ -1142,8 +1142,24 @@ void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target, QOpenGLFramebufferObject *source, GLbitfield buffers, GLenum filter) { - blitFramebuffer(target, QRect(QPoint(0, 0), target->size()), - source, QRect(QPoint(0, 0), source->size()), + if (!target && !source) + return; + + QSize targetSize; + QSize sourceSize; + + if (target) + targetSize = target->size(); + if (source) + sourceSize = source->size(); + + if (targetSize.isEmpty()) + targetSize = sourceSize; + else if (sourceSize.isEmpty()) + sourceSize = targetSize; + + blitFramebuffer(target, QRect(QPoint(0, 0), targetSize), + source, QRect(QPoint(0, 0), sourceSize), buffers, filter); } |