eglfs: Fix up incorrect comments in the backingstore

The note about RasterGLSurface leading to calling composeAndFlush()
instead of flush() is simply not true. We have to have visible
render-to-texture widgets in the window to enter the composeAndFlush()
path.

Change-Id: I8331b10c75a3fbefc21009c7e5bb2b4de991bf5a
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp b/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp
index 83b551557f..8ec5d20e05 100644
--- a/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp
+++ b/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp
@@ -174,10 +174,7 @@ void QOpenGLCompositorBackingStore::updateTexture()
 
 void QOpenGLCompositorBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
 {
-    // Called for ordinary raster windows. This is rare since RasterGLSurface
-    // support is claimed which leads to having all QWidget windows marked as
-    // RasterGLSurface instead of just Raster. These go through
-    // compositeAndFlush() instead of this function.
+    // Called for ordinary raster windows.
 
     Q_UNUSED(region);
     Q_UNUSED(offset);
@@ -202,7 +199,7 @@ void QOpenGLCompositorBackingStore::composeAndFlush(QWindow *window, const QRegi
                                                QPlatformTextureList *textures, QOpenGLContext *context,
                                                bool translucentBackground)
 {
-    // QOpenGLWidget/QQuickWidget content provided as textures. The raster content should go on top.
+    // QOpenGLWidget/QQuickWidget content provided as textures. The raster content goes on top.
 
     Q_UNUSED(region);
     Q_UNUSED(offset);