From 83e1ba5235ac54c73753fd570d912e2503e2fd14 Mon Sep 17 00:00:00 2001
From: ParantezTech <12572227+par274@users.noreply.github.com>
Date: Tue, 6 Oct 2026 17:47:34 +0300
Subject: [PATCH] [GPU] Cancel pending control barriers when the command stream
 is discarded

Co-authored-by: Sekai <140012992+igettingit@users.noreply.github.com>
---
 src/SharpEmu.Libs/Gpu/GpuCommands/CommandStreamQueue.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/SharpEmu.Libs/Gpu/GpuCommands/CommandStreamQueue.cs b/src/SharpEmu.Libs/Gpu/GpuCommands/CommandStreamQueue.cs
index 918a128..1db6ec3 100644
--- a/src/SharpEmu.Libs/Gpu/GpuCommands/CommandStreamQueue.cs
+++ b/src/SharpEmu.Libs/Gpu/GpuCommands/CommandStreamQueue.cs
@@ -664,12 +664,17 @@ public sealed class CommandStreamQueue
     // Drops every submission without stopping admission; the presenter uses it after device loss.
     public void DiscardAll()
     {
+        Action[] cancellations;
         lock (_gate)
         {
             _outcome = IdleOutcome.Failed;
             DropAllLocked();
+            cancellations = CancelControlBarriersLocked();
             Monitor.PulseAll(_gate);
         }
+
+        foreach (var cancel in cancellations)
+            cancel();
     }
 
     // A diagnostic view of the blocked heads: their count, the oldest age and one sample.