nvdec: Adding Vp8 codec support (#2707)

* first try

* second try

* working update

* Final impl

* Fixes nits

* Fix everything

* remove leftover

* Update FFmpegContext.cs

* Update Surface.cs

* Addresses gdkchan feedback

* bool not byte

* Addresses gdkchan feedback

1 files changed, 14 insertions, 6 deletions

diff --git a/Ryujinx.Graphics.Nvdec/NvdecDecoderContext.cs b/Ryujinx.Graphics.Nvdec/NvdecDecoderContext.cs
index 90da0bee..54934bc5 100644
--- a/Ryujinx.Graphics.Nvdec/NvdecDecoderContext.cs
+++ b/Ryujinx.Graphics.Nvdec/NvdecDecoderContext.cs
@@ -1,21 +1,29 @@
-using Ryujinx.Graphics.Nvdec.H264;
 using System;
 
 namespace Ryujinx.Graphics.Nvdec
 {
     class NvdecDecoderContext : IDisposable
     {
-        private Decoder _decoder;
+        private FFmpeg.H264.Decoder _h264Decoder;
+        private FFmpeg.Vp8.Decoder _vp8Decoder;
 
-        public Decoder GetDecoder()
+        public FFmpeg.H264.Decoder GetH264Decoder()
         {
-            return _decoder ??= new Decoder();
+            return _h264Decoder ??= new FFmpeg.H264.Decoder();
+        }
+
+        public FFmpeg.Vp8.Decoder GetVp8Decoder()
+        {
+            return _vp8Decoder ??= new FFmpeg.Vp8.Decoder();
         }
 
         public void Dispose()
         {
-            _decoder?.Dispose();
-            _decoder = null;
+            _h264Decoder?.Dispose();
+            _h264Decoder = null;
+
+            _vp8Decoder?.Dispose();
+            _vp8Decoder = null;
         }
     }
 }
\ No newline at end of file