From 97ef8a6fb39d1b50cef07b29a0c64cf8467ab43c Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Mon, 2 Aug 2021 19:13:25 +0200
Subject: [PATCH] [dxvk] Remove Win32 fence

Replaced with CallbackFence.
---
 src/util/sync/sync_signal_win32.h | 98 -------------------------------
 1 file changed, 98 deletions(-)
 delete mode 100644 src/util/sync/sync_signal_win32.h

diff --git a/src/util/sync/sync_signal_win32.h b/src/util/sync/sync_signal_win32.h
deleted file mode 100644
index 5e8321e8..00000000
--- a/src/util/sync/sync_signal_win32.h
+++ /dev/null
@@ -1,98 +0,0 @@
-#pragma once
-
-#include <list>
-
-#include "../com/com_include.h"
-
-#include "sync_signal.h"
-
-namespace dxvk::sync {
-  
-  /**
-   * \brief Win32 fence
-   *
-   * CPU-side fence that also has the
-   * ability to signal Win32 events.
-   */
-  class Win32Fence final : public Signal {
-
-  public:
-
-    Win32Fence()
-    : m_value(0ull) { }
-
-    explicit Win32Fence(uint64_t value)
-    : m_value(value) { }
-
-    /**
-     * \brief Last signaled value
-     * \returns Last signaled value
-     */
-    uint64_t value() const {
-      return m_value.load(std::memory_order_acquire);  
-    }
-
-    /**
-     * \brief Notifies signal
-     *
-     * In addition to waking up blocked threads, this
-     * will also signal any queued win32 events with
-     * a lower or equal value.
-     * \param [in] value Value to set signal to
-     */
-    void signal(uint64_t value) {
-      std::unique_lock<dxvk::mutex> lock(m_mutex);
-      m_value.store(value, std::memory_order_release);
-      m_cond.notify_all();
-
-      for (auto i = m_events.begin(); i != m_events.end(); ) {
-        if (value >= i->second) {
-          SetEvent(i->first);
-          i = m_events.erase(i);
-        } else {
-          i++;
-        }
-      }
-    }
-    
-    /**
-     * \brief Waits for signal
-     * \param [in] value The value to wait for
-     */
-    void wait(uint64_t value) {
-      std::unique_lock<dxvk::mutex> lock(m_mutex);
-      m_cond.wait(lock, [this, value] {
-        return value <= m_value.load(std::memory_order_acquire);
-      });
-    }
-
-    /**
-     * \brief Sets Win32 event on completion
-     *
-     * When the signal gets signaled with a value equal to or
-     * greater than the given value, the event will be signaled.
-     * Signals the event immediately if the last signaled value
-     * is already greater than or equal to the requested value.
-     * \param [in] event Win32 Event to signal
-     * \param [in] value Requested signal value
-     */
-    void setEvent(HANDLE event, uint64_t value) {
-      std::unique_lock<dxvk::mutex> lock(m_mutex);
-
-      if (value > this->value())
-        m_events.push_back({ event, value });
-      else
-        SetEvent(event);
-    }
-
-  private:
-
-    std::atomic<uint64_t>    m_value;
-    dxvk::mutex              m_mutex;
-    dxvk::condition_variable m_cond;
-
-    std::list<std::pair<HANDLE, uint64_t>> m_events;
-
-  };
-  
-}