From 07053d32dd7305f164207e5aca36dc646c1c7975 Mon Sep 17 00:00:00 2001
From: Stephan Unverwerth <s.unverwerth@serenityos.org>
Date: Mon, 19 Dec 2022 17:28:37 +0100
Subject: [PATCH] Kernel/Graphics: Increase VirtIO GPU transfer buffer size to
 4MiB

This is necessary to allow transferring frame buffers larger than
~500x500 pixels back to user space. Until the buffer management is
improved this allows us to at least test the existing game ports.
---
 Kernel/Graphics/VirtIOGPU/GPU3DDevice.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/Graphics/VirtIOGPU/GPU3DDevice.h b/Kernel/Graphics/VirtIOGPU/GPU3DDevice.h
index 39599f9a72..15b8613154 100644
--- a/Kernel/Graphics/VirtIOGPU/GPU3DDevice.h
+++ b/Kernel/Graphics/VirtIOGPU/GPU3DDevice.h
@@ -139,7 +139,7 @@ private:
     HashMap<OpenFileDescription*, LockRefPtr<PerContextState>> m_context_state_lookup;
     // Memory management for backing buffers
     NonnullOwnPtr<Memory::Region> m_transfer_buffer_region;
-    constexpr static size_t NUM_TRANSFER_REGION_PAGES = 256;
+    constexpr static size_t NUM_TRANSFER_REGION_PAGES = 1024;
 };
 
 }