From 26aeeaecf5bad9762cdd65728f5de954b36ab0f2 Mon Sep 17 00:00:00 2001
From: Billy Laws <blaws05@gmail.com>
Date: Tue, 25 Oct 2022 20:50:43 +0100
Subject: [PATCH] Add constant buffer GPU write pipeline barrier

---
 .../skyline/gpu/interconnect/maxwell_3d/constant_buffers.cpp  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/cpp/skyline/gpu/interconnect/maxwell_3d/constant_buffers.cpp b/app/src/main/cpp/skyline/gpu/interconnect/maxwell_3d/constant_buffers.cpp
index 6c363041..e4faffee 100644
--- a/app/src/main/cpp/skyline/gpu/interconnect/maxwell_3d/constant_buffers.cpp
+++ b/app/src/main/cpp/skyline/gpu/interconnect/maxwell_3d/constant_buffers.cpp
@@ -79,6 +79,10 @@ namespace skyline::gpu::interconnect::maxwell3d {
                         .dstOffset = view.GetOffset() + offset
                     };
                     commandBuffer.copyBuffer(srcGpuAllocation.buffer, view.GetBuffer()->GetBacking(), copyRegion);
+                    commandBuffer.pipelineBarrier(vk::PipelineStageFlagBits::eTransfer, vk::PipelineStageFlagBits::eAllCommands, {}, vk::MemoryBarrier{
+                        .srcAccessMask = vk::AccessFlagBits::eTransferWrite,
+                        .dstAccessMask = vk::AccessFlagBits::eMemoryRead | vk::AccessFlagBits::eMemoryWrite
+                    }, {}, {});
                 });
             });
         }