From b9cbc708e84d9b96dca6a93bbd70de85e6320f40 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Thu, 11 Nov 2021 18:34:44 -0800
Subject: [PATCH] hle: nvflinger: Add IConsumerListener interface.

---
 src/core/CMakeLists.txt                       |  1 +
 .../hle/service/nvflinger/consumer_listener.h | 26 +++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/core/hle/service/nvflinger/consumer_listener.h

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 3ddda2528d..eebd610c30 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -538,6 +538,7 @@ add_library(core STATIC
     hle/service/nvflinger/buffer_queue.cpp
     hle/service/nvflinger/buffer_queue.h
     hle/service/nvflinger/buffer_transform_flags.h
+    hle/service/nvflinger/consumer_listener.h
     hle/service/nvflinger/nvflinger.cpp
     hle/service/nvflinger/nvflinger.h
     hle/service/nvflinger/pixel_format.h
diff --git a/src/core/hle/service/nvflinger/consumer_listener.h b/src/core/hle/service/nvflinger/consumer_listener.h
new file mode 100644
index 0000000000..0aa4ad17bf
--- /dev/null
+++ b/src/core/hle/service/nvflinger/consumer_listener.h
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright 2021 yuzu Emulator Project
+// Copyright 2014 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/gui/IConsumerListener.h
+
+#pragma once
+
+namespace android {
+
+class BufferItem;
+
+/// ConsumerListener is the interface through which the BufferQueue notifies the consumer of events
+/// that the consumer may wish to react to.
+class IConsumerListener {
+public:
+    IConsumerListener() = default;
+    virtual ~IConsumerListener() = default;
+
+    virtual void OnFrameAvailable(const BufferItem& item) = 0;
+    virtual void OnFrameReplaced(const BufferItem& item) = 0;
+    virtual void OnBuffersReleased() = 0;
+    virtual void OnSidebandStreamChanged() = 0;
+};
+
+}; // namespace android