1 files changed, 74 insertions, 0 deletions
diff --git a/Ryujinx.Graphics/Gal/OpenGL/OglConstBuffer.cs b/Ryujinx.Graphics/Gal/OpenGL/OglConstBuffer.cs
new file mode 100644
index 00000000..e076be33
--- /dev/null
+++ b/Ryujinx.Graphics/Gal/OpenGL/OglConstBuffer.cs
@@ -0,0 +1,74 @@
+using OpenTK.Graphics.OpenGL;
+using System;
+
+namespace Ryujinx.Graphics.Gal.OpenGL
+{
+    class OglConstBuffer : IGalConstBuffer
+    {
+        private const long MaxConstBufferCacheSize = 64 * 1024 * 1024;
+
+        private OglCachedResource<OglStreamBuffer> _cache;
+
+        public OglConstBuffer()
+        {
+            _cache = new OglCachedResource<OglStreamBuffer>(DeleteBuffer, MaxConstBufferCacheSize);
+        }
+
+        public void LockCache()
+        {
+            _cache.Lock();
+        }
+
+        public void UnlockCache()
+        {
+            _cache.Unlock();
+        }
+
+        public void Create(long key, long size)
+        {
+            OglStreamBuffer buffer = new OglStreamBuffer(BufferTarget.UniformBuffer, size);
+
+            _cache.AddOrUpdate(key, buffer, size);
+        }
+
+        public bool IsCached(long key, long size)
+        {
+            return _cache.TryGetSize(key, out long cachedSize) && cachedSize == size;
+        }
+
+        public void SetData(long key, long size, IntPtr hostAddress)
+        {
+            if (_cache.TryGetValue(key, out OglStreamBuffer buffer))
+            {
+                buffer.SetData(size, hostAddress);
+            }
+        }
+
+        public void SetData(long key, byte[] data)
+        {
+            if (_cache.TryGetValue(key, out OglStreamBuffer buffer))
+            {
+                buffer.SetData(data);
+            }
+        }
+
+        public bool TryGetUbo(long key, out int uboHandle)
+        {
+            if (_cache.TryGetValue(key, out OglStreamBuffer buffer))
+            {
+                uboHandle = buffer.Handle;
+
+                return true;
+            }
+
+            uboHandle = 0;
+
+            return false;
+        }
+
+        private static void DeleteBuffer(OglStreamBuffer buffer)
+        {
+            buffer.Dispose();
+        }
+    }
+}
+\ No newline at end of file