From 8c274653250715189f1c774fd086993057c11d03 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Thu, 11 Nov 2021 18:10:54 -0800
Subject: [PATCH] hle: nvflinger: Add implementation for Fence class.

---
 src/core/CMakeLists.txt                   |  2 ++
 src/core/hle/service/nvflinger/ui/fence.h | 32 +++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 src/core/hle/service/nvflinger/ui/fence.h

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 49a49acdf..6cca114db 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -539,6 +539,8 @@ add_library(core STATIC
     hle/service/nvflinger/buffer_queue.h
     hle/service/nvflinger/nvflinger.cpp
     hle/service/nvflinger/nvflinger.h
+    hle/service/nvflinger/status.h
+    hle/service/nvflinger/ui/fence.h
     hle/service/nvflinger/ui/rect.h
     hle/service/olsc/olsc.cpp
     hle/service/olsc/olsc.h
diff --git a/src/core/hle/service/nvflinger/ui/fence.h b/src/core/hle/service/nvflinger/ui/fence.h
new file mode 100644
index 000000000..80ce98782
--- /dev/null
+++ b/src/core/hle/service/nvflinger/ui/fence.h
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright 2021 yuzu Emulator Project
+// Copyright 2012 The Android Open Source Project
+// Parts of this implementation were base on:
+// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/ui/Fence.h
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+#include "core/hle/service/nvdrv/nvdata.h"
+
+namespace android {
+
+class Fence {
+public:
+    constexpr Fence() = default;
+
+    static constexpr Fence NoFence() {
+        Fence fence;
+        fence.fences[0].id = -1;
+        return fence;
+    }
+
+public:
+    u32 num_fences{};
+    std::array<Service::Nvidia::NvFence, 4> fences{};
+};
+static_assert(sizeof(Fence) == 36, "Fence has wrong size");
+
+} // namespace android