Update audio renderer to REV12: Add support for splitter biquad filter (#6813)

* Update audio renderer to REV12: Add support for splitter biquad filter

* Formatting

* Official names

* Update BiquadFilterState size + other fixes

* Update tests

* Update comment for version 2

* Size test for SplitterDestinationVersion2

* Should use Volume1 if no ramp

1 files changed, 5 insertions, 1 deletions

diff --git a/src/Ryujinx.Audio/Renderer/Dsp/State/BiquadFilterState.cs b/src/Ryujinx.Audio/Renderer/Dsp/State/BiquadFilterState.cs
index f9a32b3f..58a2d9cc 100644
--- a/src/Ryujinx.Audio/Renderer/Dsp/State/BiquadFilterState.cs
+++ b/src/Ryujinx.Audio/Renderer/Dsp/State/BiquadFilterState.cs
@@ -2,12 +2,16 @@ using System.Runtime.InteropServices;
 
 namespace Ryujinx.Audio.Renderer.Dsp.State
 {
-    [StructLayout(LayoutKind.Sequential, Pack = 1, Size = 0x10)]
+    [StructLayout(LayoutKind.Sequential, Pack = 1, Size = 0x20)]
     public struct BiquadFilterState
     {
         public float State0;
         public float State1;
         public float State2;
         public float State3;
+        public float State4;
+        public float State5;
+        public float State6;
+        public float State7;
     }
 }