From 380658c21d39cf05ac765a9284da246388cca2a4 Mon Sep 17 00:00:00 2001
From: David Marcec <dmarcecguzman@gmail.com>
Date: Sun, 12 Jul 2020 21:59:14 +1000
Subject: audio_core: Apollo Part 1, AudioRenderer refactor

---
 src/audio_core/memory_pool.cpp | 62 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/audio_core/memory_pool.cpp

(limited to 'src/audio_core/memory_pool.cpp')

diff --git a/src/audio_core/memory_pool.cpp b/src/audio_core/memory_pool.cpp
new file mode 100644
index 000000000..5a3453063
--- /dev/null
+++ b/src/audio_core/memory_pool.cpp
@@ -0,0 +1,62 @@
+
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "audio_core/memory_pool.h"
+#include "common/logging/log.h"
+
+namespace AudioCore {
+
+ServerMemoryPoolInfo::ServerMemoryPoolInfo() = default;
+ServerMemoryPoolInfo::~ServerMemoryPoolInfo() = default;
+bool ServerMemoryPoolInfo::Update(const ServerMemoryPoolInfo::InParams& in_params,
+                                  ServerMemoryPoolInfo::OutParams& out_params) {
+    // Our state does not need to be changed
+    if (in_params.state != ServerMemoryPoolInfo::State::RequestAttach &&
+        in_params.state != ServerMemoryPoolInfo::State::RequestDetach) {
+        return true;
+    }
+
+    // Address or size is null
+    if (in_params.address == 0 || in_params.size == 0) {
+        LOG_ERROR(Audio, "Memory pool address or size is zero! address={:X}, size={:X}",
+                  in_params.address, in_params.size);
+        return false;
+    }
+
+    // Address or size is not aligned
+    if ((in_params.address % 0x1000) != 0 || (in_params.size % 0x1000) != 0) {
+        LOG_ERROR(Audio, "Memory pool address or size is not aligned! address={:X}, size={:X}",
+                  in_params.address, in_params.size);
+        return false;
+    }
+
+    if (in_params.state == ServerMemoryPoolInfo::State::RequestAttach) {
+        cpu_address = in_params.address;
+        size = in_params.size;
+        used = true;
+        out_params.state = ServerMemoryPoolInfo::State::Attached;
+    } else {
+        // Unexpected address
+        if (cpu_address != in_params.address) {
+            LOG_ERROR(Audio, "Memory pool address differs! Expecting {:X} but address is {:X}",
+                      cpu_address, in_params.address);
+            return false;
+        }
+
+        if (size != in_params.size) {
+            LOG_ERROR(Audio, "Memory pool size differs! Expecting {:X} but size is {:X}", size,
+                      in_params.size);
+            return false;
+        }
+
+        cpu_address = 0;
+        size = 0;
+        used = false;
+        out_params.state = ServerMemoryPoolInfo::State::Detached;
+    }
+    return true;
+}
+
+} // namespace AudioCore
-- 
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