From 53c439ef04a40aeb3ce8a05fb59db251228c2e8c Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Fri, 12 Jan 2024 16:02:21 -0800
Subject: [PATCH] fix multiple copy sync hazard

---
 src/Refresh_Driver_Vulkan.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Refresh_Driver_Vulkan.c b/src/Refresh_Driver_Vulkan.c
index 1b3d7d5..f37196b 100644
--- a/src/Refresh_Driver_Vulkan.c
+++ b/src/Refresh_Driver_Vulkan.c
@@ -7869,6 +7869,14 @@ static void VULKAN_SetBufferData(
 		vulkanBuffer
 	);
 
+	// this janky call will wait for transfer writes to finish!
+	VULKAN_INTERNAL_BufferMemoryBarrier(
+		renderer,
+		vulkanCommandBuffer->commandBuffer,
+		RESOURCE_ACCESS_TRANSFER_WRITE,
+		vulkanBuffer
+	);
+
 	bufferCopy.srcOffset = transferBuffer->offset;
 	bufferCopy.dstOffset = offsetInBytes;
 	bufferCopy.size = (VkDeviceSize) dataLength;