Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 152 insertions, 0 deletions

diff --git a/xbmc/windowing/wayland/Output.h b/xbmc/windowing/wayland/Output.h
new file mode 100644
index 0000000..2408a6f
--- /dev/null
+++ b/xbmc/windowing/wayland/Output.h
@@ -0,0 +1,152 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "threads/CriticalSection.h"
+#include "utils/Geometry.h"
+
+#include <atomic>
+#include <cstdint>
+#include <mutex>
+#include <set>
+#include <tuple>
+
+#include <wayland-client-protocol.hpp>
+
+namespace KODI
+{
+namespace WINDOWING
+{
+namespace WAYLAND
+{
+
+/**
+ * wl_output handler that collects information from the compositor and then
+ * passes it on when everything is available
+ */
+class COutput
+{
+public:
+  COutput(std::uint32_t globalName, wayland::output_t const & output, std::function<void()> doneHandler);
+  ~COutput() noexcept;
+
+  wayland::output_t const& GetWaylandOutput() const
+  {
+    return m_output;
+  }
+  std::uint32_t GetGlobalName() const
+  {
+    return m_globalName;
+  }
+  /**
+   * Get output position in compositor coordinate space
+   * \return (x, y) tuple of output position
+   */
+  CPointInt GetPosition() const
+  {
+    std::unique_lock<CCriticalSection> lock(m_geometryCriticalSection);
+    return m_position;
+  }
+  /**
+   * Get output physical size in millimeters
+   * \return (width, height) tuple of output physical size in millimeters
+   */
+  CSizeInt GetPhysicalSize() const
+  {
+    std::unique_lock<CCriticalSection> lock(m_geometryCriticalSection);
+    return m_physicalSize;
+  }
+  std::string const& GetMake() const
+  {
+    std::unique_lock<CCriticalSection> lock(m_geometryCriticalSection);
+    return m_make;
+  }
+  std::string const& GetModel() const
+  {
+    std::unique_lock<CCriticalSection> lock(m_geometryCriticalSection);
+    return m_model;
+  }
+  std::int32_t GetScale() const
+  {
+    return m_scale;
+  }
+
+  struct Mode
+  {
+    CSizeInt size;
+    std::int32_t refreshMilliHz;
+    Mode(CSizeInt size, std::int32_t refreshMilliHz)
+    : size{size}, refreshMilliHz(refreshMilliHz)
+    {}
+
+    float GetRefreshInHz() const
+    {
+      return refreshMilliHz / 1000.0f;
+    }
+
+    std::tuple<std::int32_t, std::int32_t, std::int32_t> AsTuple() const
+    {
+      return std::make_tuple(size.Width(), size.Height(), refreshMilliHz);
+    }
+
+    // Comparison operator needed for std::set
+    bool operator<(const Mode& right) const
+    {
+      return AsTuple() < right.AsTuple();
+    }
+
+    bool operator==(const Mode& right) const
+    {
+      return AsTuple() == right.AsTuple();
+    }
+
+    bool operator!=(const Mode& right) const
+    {
+      return !(*this == right);
+    }
+  };
+
+  std::set<Mode> const& GetModes() const
+  {
+    return m_modes;
+  }
+  Mode const& GetCurrentMode() const;
+  Mode const& GetPreferredMode() const;
+
+  float GetPixelRatioForMode(Mode const& mode) const;
+  float GetDpiForMode(Mode const& mode) const;
+  float GetCurrentDpi() const;
+
+private:
+  COutput(COutput const& other) = delete;
+  COutput& operator=(COutput const& other) = delete;
+
+  std::uint32_t m_globalName;
+  wayland::output_t m_output;
+  std::function<void()> m_doneHandler;
+
+  mutable CCriticalSection m_geometryCriticalSection;
+  mutable CCriticalSection m_iteratorCriticalSection;
+
+  CPointInt m_position;
+  CSizeInt m_physicalSize;
+  std::string m_make, m_model;
+  std::atomic<std::int32_t> m_scale{1}; // default scale of 1 if no wl_output::scale is sent
+
+  std::set<Mode> m_modes;
+  // For std::set, insertion never invalidates existing iterators, and modes are
+  // never removed, so the usage of iterators is safe
+  std::set<Mode>::iterator m_currentMode{m_modes.end()};
+  std::set<Mode>::iterator m_preferredMode{m_modes.end()};
+};
+
+
+}
+}
+}