From 8ae66521e34fcc33b6f93158bcfd5caf4c9169e1 Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Fri, 6 Mar 2026 14:46:51 +0800
Subject: [PATCH] [Fix] (MG_Backend/DirectVulkan/VkRenderPassManager): early
 return when there's an active render pass that is compatible

---
 .../DirectVulkan/Renderer/VkRenderPassManager.cpp           | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp
index 78aa05c0..e4d43bff 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp
@@ -95,8 +95,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     RenderPassEntry& VkRenderPassManager::GetOrCreateRenderPass(const MG_State::GLState::FramebufferObject& fbo,
                                                                 Uint32 swapchainImageIndex) {
         // retrieve from cache first
-        auto hash = ComputeHash(fbo, swapchainImageIndex, true);
+        auto* activeRenderPass = GetActiveRenderPass();
         auto compatibilityHash = ComputeHash(fbo, swapchainImageIndex, false);
+        if (activeRenderPass != nullptr && activeRenderPass->CompatibleWith(compatibilityHash)) {
+            return *activeRenderPass;
+        }
+        auto hash = ComputeHash(fbo, swapchainImageIndex, true);
         auto it = m_renderPasses.find(hash);
         if (it != m_renderPasses.end())
             return it->second;