From 62dcc1982ca4b3fdc8fa2bc950e6048dabbb7b0b Mon Sep 17 00:00:00 2001
From: Marius Pelegrin <marius.pelegrin@arm.com>
Date: Tue, 5 Mar 2024 09:47:17 +0100
Subject: [PATCH] Add requested comment

Change-Id: I5e8219d49b1bee0eea6e05c98a17fce4b66ddc12
---
 framework/decode/vulkan_offscreen_swapchain.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/framework/decode/vulkan_offscreen_swapchain.cpp b/framework/decode/vulkan_offscreen_swapchain.cpp
index 2a9bb29204..07e1dafac5 100644
--- a/framework/decode/vulkan_offscreen_swapchain.cpp
+++ b/framework/decode/vulkan_offscreen_swapchain.cpp
@@ -100,6 +100,10 @@ VkResult VulkanOffscreenSwapchain::CreateSwapchainKHR(VkResult
     VkDevice device = device_info->handle;
     device_table_->GetDeviceQueue(device, default_queue_family_index_, 0, &default_queue_);
 
+    // If this option is set, a command buffer submission with a `VkFrameBoundaryEXT` must be called each time
+    // `vkQueuePresentKHR` should have been called by the offscreen swapchain. So a maximum of work must be done at
+    // swapchain creation: Allocation and recording of an empty command buffer, initialization of a `VkFrameBoundaryEXT`
+    // structure... (Don't forget to free everything at swapchain destruction)
     if (insert_frame_boundary_)
     {
         VkResult result;