audio_core: Apollo Part 1, AudioRenderer refactor

src/audio_core/memory_pool.h

@@ -0,0 +1,53 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/swap.h"
+
+namespace AudioCore {
+
+class ServerMemoryPoolInfo {
+public:
+    ServerMemoryPoolInfo();
+    ~ServerMemoryPoolInfo();
+
+    enum class State : u32_le {
+        Invalid = 0x0,
+        Aquired = 0x1,
+        RequestDetach = 0x2,
+        Detached = 0x3,
+        RequestAttach = 0x4,
+        Attached = 0x5,
+        Released = 0x6,
+    };
+
+    struct InParams {
+        u64_le address{};
+        u64_le size{};
+        ServerMemoryPoolInfo::State state{};
+        INSERT_PADDING_WORDS(3);
+    };
+    static_assert(sizeof(ServerMemoryPoolInfo::InParams) == 0x20, "InParams are an invalid size");
+
+    struct OutParams {
+        ServerMemoryPoolInfo::State state{};
+        INSERT_PADDING_WORDS(3);
+    };
+    static_assert(sizeof(ServerMemoryPoolInfo::OutParams) == 0x10, "OutParams are an invalid size");
+
+    bool Update(const ServerMemoryPoolInfo::InParams& in_params,
+                ServerMemoryPoolInfo::OutParams& out_params);
+
+private:
+    // There's another entry here which is the DSP address, however since we're not talking to the
+    // DSP we can just use the same address provided by the guest without needing to remap
+    u64_le cpu_address{};
+    u64_le size{};
+    bool used{};
+};
+
+} // namespace AudioCore