From ba16f44c689e0bde3c50052c247c234029c9a816 Mon Sep 17 00:00:00 2001
From: skal <pascal.massimino@gmail.com>
Date: Wed, 11 Feb 2026 19:02:54 +0100
Subject: fix: Resolve WGPU threading crash in cnn_test

- Release queue reference after submit in texture_readback
- Add final wgpuDevicePoll before cleanup to sync GPU work

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 src/gpu/texture_readback.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/gpu/texture_readback.cc b/src/gpu/texture_readback.cc
index f3e4056..e25da9e 100644
--- a/src/gpu/texture_readback.cc
+++ b/src/gpu/texture_readback.cc
@@ -71,6 +71,7 @@ std::vector<uint8_t> read_texture_pixels(
   wgpuQueueSubmit(queue, 1, &commands);
   wgpuCommandBufferRelease(commands);
   wgpuCommandEncoderRelease(encoder);
+  wgpuQueueRelease(queue); // Release the queue reference
 
   // Wait for copy to complete before mapping
   wgpuDevicePoll(device, true, nullptr);
-- 
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