diff options
Diffstat (limited to 'src/gui/kernel/qoffscreensurface.cpp')
| -rw-r--r-- | src/gui/kernel/qoffscreensurface.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gui/kernel/qoffscreensurface.cpp b/src/gui/kernel/qoffscreensurface.cpp index fb1dfd8df5..ed1b8d944a 100644 --- a/src/gui/kernel/qoffscreensurface.cpp +++ b/src/gui/kernel/qoffscreensurface.cpp @@ -51,7 +51,7 @@ QT_BEGIN_NAMESPACE QOffscreenSurface is intended to be used with QOpenGLContext to allow rendering with OpenGL in an arbitrary thread without the need to create a QWindow. - Even though the surface is renderable, the surface's pixels are not accessible. + Even though the surface is typically renderable, the surface's pixels are not accessible. QOffscreenSurface should only be used to create OpenGL resources such as textures or framebuffer objects. @@ -77,6 +77,11 @@ QT_BEGIN_NAMESPACE created}. Passing the format returned from QWindow::requestedFormat() to setFormat() may result in an incompatible offscreen surface since the underlying windowing system interface may offer a different set of configurations for window and pbuffer surfaces. + + \note Some platforms may utilize a surfaceless context extension (for example + EGL_KHR_surfaceless_context) when available. In this case there will be no underlying + native surface. For the use cases of QOffscreenSurface (rendering to FBOs, texture + upload) this is not a problem. */ class Q_GUI_EXPORT QOffscreenSurfacePrivate : public QObjectPrivate { |