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-rw-r--r--kms++/src/videomode.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/kms++/src/videomode.cpp b/kms++/src/videomode.cpp
index 30d47f8..16330bb 100644
--- a/kms++/src/videomode.cpp
+++ b/kms++/src/videomode.cpp
@@ -16,4 +16,14 @@ unique_ptr<Blob> Videomode::to_blob(Card& card) const
return unique_ptr<Blob>(new Blob(card, &drm_mode, sizeof(drm_mode)));
}
+bool Videomode::interlace() const
+{
+ return flags & DRM_MODE_FLAG_INTERLACE;
+}
+
+float Videomode::calculated_vrefresh() const
+{
+ return (clock * 1000.0) / (htotal * vtotal) * (interlace() ? 2 : 1);
+}
+
}