3 files changed, 19 insertions, 2 deletions
diff --git a/Ryujinx.Graphics.GAL/ICounterEvent.cs b/Ryujinx.Graphics.GAL/ICounterEvent.cs
new file mode 100644
index 00000000..dfabec61
--- /dev/null
+++ b/Ryujinx.Graphics.GAL/ICounterEvent.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace Ryujinx.Graphics.GAL
+{
+    public interface ICounterEvent : IDisposable
+    {
+        bool Invalid { get; set; }
+
+        void Flush();
+    }
+}
diff --git a/Ryujinx.Graphics.GAL/IPipeline.cs b/Ryujinx.Graphics.GAL/IPipeline.cs
index 290462fa..3bf7ab93 100644
--- a/Ryujinx.Graphics.GAL/IPipeline.cs
+++ b/Ryujinx.Graphics.GAL/IPipeline.cs
@@ -75,5 +75,9 @@ namespace Ryujinx.Graphics.GAL
 
         void TextureBarrier();
         void TextureBarrierTiled();
+
+        bool TryHostConditionalRendering(ICounterEvent value, ulong compare, bool isEqual);
+        bool TryHostConditionalRendering(ICounterEvent value, ICounterEvent compare, bool isEqual);
+        void EndHostConditionalRendering();
     }
 }
diff --git a/Ryujinx.Graphics.GAL/IRenderer.cs b/Ryujinx.Graphics.GAL/IRenderer.cs
index 56856b23..4a45f5cb 100644
--- a/Ryujinx.Graphics.GAL/IRenderer.cs
+++ b/Ryujinx.Graphics.GAL/IRenderer.cs
@@ -20,10 +20,12 @@ namespace Ryujinx.Graphics.GAL
 
         Capabilities GetCapabilities();
 
-        ulong GetCounter(CounterType type);
+        void UpdateCounters();
 
-        void Initialize();
+        ICounterEvent ReportCounter(CounterType type, EventHandler<ulong> resultHandler);
 
         void ResetCounter(CounterType type);
+
+        void Initialize();
     }
 }