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-rw-r--r--src/opengl/qglframebufferobject.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index d0297c9..4b5c30a 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -597,6 +597,12 @@ void QGLFramebufferObjectPrivate::init(QGLFramebufferObject *q, const QSize &sz,
the constructors that take a QGLFramebufferObject parameter, and set the
QGLFramebufferObject::samples() property to a non-zero value.
+ When painting to a QGLFramebufferObject using QPainter, the state of
+ the current GL context will be altered by the paint engine to reflect
+ its needs. Applications should not rely upon the GL state being reset
+ to its original conditions, particularly the current shader program,
+ GL viewport, texture units, and drawing modes.
+
For multisample framebuffer objects a color render buffer is created,
otherwise a texture with the specified texture target is created.
The color render buffer or texture will have the specified internal