1 files changed, 43 insertions, 0 deletions

diff --git a/src/core/hle/service/nvnflinger/buffer_queue_consumer.h b/src/core/hle/service/nvnflinger/buffer_queue_consumer.h
new file mode 100644
index 000000000..50ed0bb5f
--- /dev/null
+++ b/src/core/hle/service/nvnflinger/buffer_queue_consumer.h
@@ -0,0 +1,43 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Parts of this implementation were based on:
+// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueConsumer.h
+
+#pragma once
+
+#include <chrono>
+#include <memory>
+
+#include "common/common_types.h"
+#include "core/hle/service/nvnflinger/buffer_queue_defs.h"
+#include "core/hle/service/nvnflinger/status.h"
+
+namespace Service::Nvidia::NvCore {
+class NvMap;
+} // namespace Service::Nvidia::NvCore
+
+namespace Service::android {
+
+class BufferItem;
+class BufferQueueCore;
+class IConsumerListener;
+
+class BufferQueueConsumer final {
+public:
+    explicit BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_,
+                                 Service::Nvidia::NvCore::NvMap& nvmap_);
+    ~BufferQueueConsumer();
+
+    Status AcquireBuffer(BufferItem* out_buffer, std::chrono::nanoseconds expected_present);
+    Status ReleaseBuffer(s32 slot, u64 frame_number, const Fence& release_fence);
+    Status Connect(std::shared_ptr<IConsumerListener> consumer_listener, bool controlled_by_app);
+    Status GetReleasedBuffers(u64* out_slot_mask);
+
+private:
+    std::shared_ptr<BufferQueueCore> core;
+    BufferQueueDefs::SlotsType& slots;
+    Service::Nvidia::NvCore::NvMap& nvmap;
+};
+
+} // namespace Service::android