Add ability to dump filter states

Add button in overlay UI to dump:
- the details of technique and render pass filters in the render views
- the details of technique and render pass keys in the scene graph

This is useful to understand why some objects are not rendered.

Change-Id: I57a284081ec986e49e90c979042cc0c17ee0d1cf
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/auto/render/commons/testrenderer.h b/tests/auto/render/commons/testrenderer.h
index e723b11f4..87c452ad8 100644
--- a/tests/auto/render/commons/testrenderer.h
+++ b/tests/auto/render/commons/testrenderer.h
@@ -85,6 +85,7 @@ public:
     void resetDirty();
     QVariant executeCommand(const QStringList &args) override;
     QOpenGLContext *shareContext() const override;
+    const Qt3DRender::GraphicsApiFilterData *contextInfo() const override { return  nullptr; }
 
     void setOffscreenSurfaceHelper(Qt3DRender::Render::OffscreenSurfaceHelper *helper) override;
     QSurfaceFormat format() override;