From 2e8d6fe9a0c07538397682e1cb25992bfd15676d Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 10 Apr 2021 02:34:26 -0700
Subject: hle: kernel: Migrate KReadableEvent and KWritableEvent to
 KAutoObject.

---
 src/core/hle/service/nvflinger/buffer_queue.cpp | 12 ++++++------
 src/core/hle/service/nvflinger/buffer_queue.h   |  4 ++--
 src/core/hle/service/nvflinger/nvflinger.cpp    |  6 +++---
 src/core/hle/service/nvflinger/nvflinger.h      |  2 +-
 4 files changed, 12 insertions(+), 12 deletions(-)

(limited to 'src/core/hle/service/nvflinger')

diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index 95e5a5e7f..0b6e7430b 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -41,7 +41,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
         .multi_fence = {},
     };
 
-    buffer_wait_event.GetWritableEvent()->Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
 }
 
 std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width,
@@ -119,7 +119,7 @@ void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& mult
     }
     free_buffers_condition.notify_one();
 
-    buffer_wait_event.GetWritableEvent()->Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
 }
 
 std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
@@ -154,7 +154,7 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
     }
     free_buffers_condition.notify_one();
 
-    buffer_wait_event.GetWritableEvent()->Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
 }
 
 void BufferQueue::Connect() {
@@ -169,7 +169,7 @@ void BufferQueue::Disconnect() {
         std::unique_lock lock{queue_sequence_mutex};
         queue_sequence.clear();
     }
-    buffer_wait_event.GetWritableEvent()->Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
     is_connect = false;
     free_buffers_condition.notify_one();
 }
@@ -188,11 +188,11 @@ u32 BufferQueue::Query(QueryType type) {
     return 0;
 }
 
-std::shared_ptr<Kernel::KWritableEvent> BufferQueue::GetWritableBufferWaitEvent() const {
+Kernel::KWritableEvent& BufferQueue::GetWritableBufferWaitEvent() {
     return buffer_wait_event.GetWritableEvent();
 }
 
-std::shared_ptr<Kernel::KReadableEvent> BufferQueue::GetBufferWaitEvent() const {
+Kernel::KReadableEvent& BufferQueue::GetBufferWaitEvent() {
     return buffer_wait_event.GetReadableEvent();
 }
 
diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h
index 0d2010ad5..044e51d08 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.h
+++ b/src/core/hle/service/nvflinger/buffer_queue.h
@@ -117,9 +117,9 @@ public:
         return is_connect;
     }
 
-    std::shared_ptr<Kernel::KWritableEvent> GetWritableBufferWaitEvent() const;
+    Kernel::KWritableEvent& GetWritableBufferWaitEvent();
 
-    std::shared_ptr<Kernel::KReadableEvent> GetBufferWaitEvent() const;
+    Kernel::KReadableEvent& GetBufferWaitEvent();
 
 private:
     BufferQueue(const BufferQueue&) = delete;
diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index c90e4d083..7fb9133c7 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -165,15 +165,15 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) co
     return layer->GetBufferQueue().GetId();
 }
 
-std::shared_ptr<Kernel::KReadableEvent> NVFlinger::FindVsyncEvent(u64 display_id) {
-        const auto lock_guard = Lock();
+Kernel::KReadableEvent* NVFlinger::FindVsyncEvent(u64 display_id) {
+    const auto lock_guard = Lock();
     auto* const display = FindDisplay(display_id);
 
     if (display == nullptr) {
         return nullptr;
     }
 
-    return display->GetVSyncEvent();
+    return &display->GetVSyncEvent();
 }
 
 BufferQueue* NVFlinger::FindBufferQueue(u32 id) {
diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h
index d51b905c1..1c0aa8ec4 100644
--- a/src/core/hle/service/nvflinger/nvflinger.h
+++ b/src/core/hle/service/nvflinger/nvflinger.h
@@ -73,7 +73,7 @@ public:
     /// Gets the vsync event for the specified display.
     ///
     /// If an invalid display ID is provided, then nullptr is returned.
-    [[nodiscard]] std::shared_ptr<Kernel::KReadableEvent> FindVsyncEvent(u64 display_id);
+    [[nodiscard]] Kernel::KReadableEvent* FindVsyncEvent(u64 display_id);
 
     /// Obtains a buffer queue identified by the ID.
     [[nodiscard]] BufferQueue* FindBufferQueue(u32 id);
-- 
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