vi: manage resources independently of nvnflinger and refactor

src/core/hle/service/nvnflinger/display.h

@@ -0,0 +1,51 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <list>
+
+#include "core/hle/service/nvnflinger/buffer_item_consumer.h"
+#include "core/hle/service/nvnflinger/hwc_layer.h"
+
+namespace Service::Nvnflinger {
+
+struct Layer {
+    explicit Layer(std::shared_ptr<android::BufferItemConsumer> buffer_item_consumer_,
+                   s32 consumer_id_)
+        : buffer_item_consumer(std::move(buffer_item_consumer_)), consumer_id(consumer_id_),
+          blending(LayerBlending::None), visible(true) {}
+    ~Layer() {
+        buffer_item_consumer->Abandon();
+    }
+
+    std::shared_ptr<android::BufferItemConsumer> buffer_item_consumer;
+    s32 consumer_id;
+    LayerBlending blending;
+    bool visible;
+};
+
+struct LayerStack {
+    std::list<Layer> layers;
+};
+
+struct Display {
+    explicit Display(u64 id_) {
+        id = id_;
+    }
+
+    Layer* FindLayer(s32 consumer_id) {
+        for (auto& layer : stack.layers) {
+            if (layer.consumer_id == consumer_id) {
+                return &layer;
+            }
+        }
+
+        return nullptr;
+    }
+
+    u64 id;
+    LayerStack stack;
+};
+
+} // namespace Service::Nvnflinger