From 50b35fbeed4992277771c08459b8f296da3f4fcc Mon Sep 17 00:00:00 2001
From: MaranBr <maranbr@outlook.com>
Date: Wed, 11 Feb 2026 10:54:37 -0400
Subject: [PATCH] Refactor GPU tick waiting and barrier handling

---
 src/video_core/renderer_vulkan/vk_scheduler.cpp | 2 +-
 src/video_core/renderer_vulkan/vk_scheduler.h   | 2 +-
 src/video_core/renderer_vulkan/vk_swapchain.cpp | 5 ++++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/video_core/renderer_vulkan/vk_scheduler.cpp b/src/video_core/renderer_vulkan/vk_scheduler.cpp
index aafcfdf65b..2a69d6d244 100644
--- a/src/video_core/renderer_vulkan/vk_scheduler.cpp
+++ b/src/video_core/renderer_vulkan/vk_scheduler.cpp
@@ -347,7 +347,7 @@ void Scheduler::EndRenderPass()
         Record([num_images = num_renderpass_images,
                        images = renderpass_images,
                        ranges = renderpass_image_ranges](vk::CommandBuffer cmdbuf) {
-            std::array<VkImageMemoryBarrier, 9> barriers;
+            std::vector<VkImageMemoryBarrier> barriers(num_images);
             VkPipelineStageFlags src_stages = 0;
             for (size_t i = 0; i < num_images; ++i) {
                 const VkImageSubresourceRange& range = ranges[i];
diff --git a/src/video_core/renderer_vulkan/vk_scheduler.h b/src/video_core/renderer_vulkan/vk_scheduler.h
index 5216a436c8..50bf3177c3 100644
--- a/src/video_core/renderer_vulkan/vk_scheduler.h
+++ b/src/video_core/renderer_vulkan/vk_scheduler.h
@@ -113,7 +113,7 @@ public:
 
     /// Waits for the given tick to trigger on the GPU.
     void Wait(u64 tick) {
-        if (tick >= master_semaphore->CurrentTick()) {
+        if (tick > master_semaphore->CurrentTick() && !chunk->Empty()) {
             // Make sure we are not waiting for the current tick without signalling
             Flush();
         }
diff --git a/src/video_core/renderer_vulkan/vk_swapchain.cpp b/src/video_core/renderer_vulkan/vk_swapchain.cpp
index 7418ad934e..405381970a 100644
--- a/src/video_core/renderer_vulkan/vk_swapchain.cpp
+++ b/src/video_core/renderer_vulkan/vk_swapchain.cpp
@@ -194,7 +194,10 @@ bool Swapchain::AcquireNextImage() {
         break;
     }
 
-    scheduler.Wait(resource_ticks[image_index]);
+    if (resource_ticks[image_index] != 0 && !scheduler.IsFree(resource_ticks[image_index])) {
+        scheduler.Wait(resource_ticks[image_index]);
+    }
+
     resource_ticks[image_index] = scheduler.CurrentTick();
 
     return is_suboptimal || is_outdated;