libcamera: framebuffer: Enable attaching additional data to FrameBuffer

We cannot have a subclass of FrameBuffer because it is marked as final.
This adds a FrameBuffer constructor with FrameBuffer::Private. So we
can attach some additional resources with FrameBuffer through a
customized FrameBuffer::Private class.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/libcamera/internal/framebuffer.h b/include/libcamera/internal/framebuffer.h
index 908b4789..6e0d8389 100644
--- a/include/libcamera/internal/framebuffer.h
+++ b/include/libcamera/internal/framebuffer.h
@@ -19,6 +19,7 @@ class FrameBuffer::Private : public Extensible::Private
 
 public:
 	Private();
+	virtual ~Private();
 
 	void setRequest(Request *request) { request_ = request; }
 	bool isContiguous() const { return isContiguous_; }