From f17b772c56cf73ac539b4c8c47e0a7c8f29dae5a Mon Sep 17 00:00:00 2001
From: Ac_K <Acoustik666@gmail.com>
Date: Fri, 20 Sep 2019 01:49:05 +0200
Subject: audren: Fix AudioRenderer implementation (#773)

* Fix AudioRenderer implementation

According to RE:
- `GetAudioRendererWorkBufferSize` is updated and improved to support `REV7`
- `RequestUpdateAudioRenderer` is updated to `REV7` too

Should improve results on recent game and close #718 and #707

* Fix NodeStates.GetWorkBufferSize

* Use BitUtils instead of IntUtils

* Nits
---
 .../Audio/AudioRendererManager/SplitterContext.cs  | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/SplitterContext.cs

(limited to 'Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/SplitterContext.cs')

diff --git a/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/SplitterContext.cs b/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/SplitterContext.cs
new file mode 100644
index 00000000..e46af443
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/SplitterContext.cs
@@ -0,0 +1,25 @@
+using Ryujinx.Common;
+
+namespace Ryujinx.HLE.HOS.Services.Audio.AudioRendererManager
+{
+    class SplitterContext
+    {
+        public static long CalcWorkBufferSize(BehaviorInfo behaviorInfo, AudioRendererParameter parameters)
+        {
+            if (!behaviorInfo.IsSplitterSupported())
+            {
+                return 0;
+            }
+
+            long size = parameters.SplitterDestinationDataCount * 0xE0 +
+                        parameters.SplitterCount                * 0x20;
+
+            if (!behaviorInfo.IsSplitterBugFixed())
+            {
+                size += BitUtils.AlignUp(4 * parameters.SplitterDestinationDataCount, 16);
+            }
+
+            return size;
+        }
+    }
+}
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