1 files changed, 72 insertions, 0 deletions
diff --git a/kms++/helpers.cpp b/kms++/helpers.cpp
new file mode 100644
index 0000000..715e757
--- /dev/null
+++ b/kms++/helpers.cpp
@@ -0,0 +1,72 @@
+
+#include "connector.h"
+#include "helpers.h"
+#include <cstring>
+
+#define CPY(field) dst.field = src.field
+
+namespace kms
+{
+Videomode drm_mode_to_video_mode(const drmModeModeInfo& drmmode)
+{
+	Videomode mode = { };
+
+	auto& src = drmmode;
+	auto& dst = mode;
+
+	CPY(clock);
+
+	CPY(hdisplay);
+	CPY(hsync_start);
+	CPY(hsync_end);
+	CPY(htotal);
+	CPY(hskew);
+
+	CPY(vdisplay);
+	CPY(vsync_start);
+	CPY(vsync_end);
+	CPY(vtotal);
+	CPY(vscan);
+
+	CPY(vrefresh);
+
+	CPY(flags);
+	CPY(type);
+
+	mode.name = drmmode.name;
+
+	return mode;
+}
+
+drmModeModeInfo video_mode_to_drm_mode(const Videomode& mode)
+{
+	drmModeModeInfo drmmode = { };
+
+	auto& src = mode;
+	auto& dst = drmmode;
+
+	CPY(clock);
+
+	CPY(hdisplay);
+	CPY(hsync_start);
+	CPY(hsync_end);
+	CPY(htotal);
+	CPY(hskew);
+
+	CPY(vdisplay);
+	CPY(vsync_start);
+	CPY(vsync_end);
+	CPY(vtotal);
+	CPY(vscan);
+
+	CPY(vrefresh);
+
+	CPY(flags);
+	CPY(type);
+
+	strncpy(drmmode.name, mode.name.c_str(), sizeof(drmmode.name));
+	drmmode.name[sizeof(drmmode.name) - 1] = 0;
+
+	return drmmode;
+}
+}