// Monitor enumeration for the M3 multi-screen layout: DXGI outputs on the
// render adapter, with virtual-desktop pixel rects. The world mapping
// (px -> meters, OS-relative placement) lives in the app — this is just
// the facts.

#pragma once

#include <d3d12.h>

#include <cstdint>
#include <vector>

namespace sauna {

struct MonitorDesc {
  int outputIndex = 0;       // DXGI EnumOutputs index on the render adapter
  int32_t left = 0, top = 0; // virtual-desktop pixel coordinates
  int32_t right = 0, bottom = 0;
  bool primary = false;      // contains the virtual-desktop origin
  wchar_t name[32] = {};     // e.g. \\.\DISPLAY1
  int32_t width() const { return right - left; }
  int32_t height() const { return bottom - top; }
};

// Outputs of the adapter that owns renderDev (matched by LUID), attached
// desktops only. Empty on failure. The Beyond in direct mode does not
// enumerate — no capture feedback loop.
std::vector<MonitorDesc> EnumerateMonitors(ID3D12Device* renderDev);

}  // namespace sauna