From c2ffa93c90bc64eab8fd1d24a6923758579318a5 Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Tue, 3 Feb 2026 17:49:47 +0800
Subject: [PATCH] [Perf] (MG_Backend/DirectGLES): use version to skip
 unnecessary FBO sync in `BindCurrentFBO`

---
 MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp b/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
index 5863049b..7cafb295 100644
--- a/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
+++ b/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
@@ -373,7 +373,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #ifdef TRACY_ENABLE
         ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-        const auto& currentFBO = MG_State::pGLContext->GetFramebufferBindingSlot(target).GetBoundObject();
+        auto& slot = MG_State::pGLContext->GetFramebufferBindingSlot(target);
+        if (slot.GetVersion() == FramebufferImpl::g_fboBindVersions[(SizeT)target])
+            return;
+
+        const auto& currentFBO = slot.GetBoundObject();
         if (currentFBO && currentFBO != MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo->defaultFBO) {
             const auto& backendFBOIt = FramebufferImpl::g_backendFramebufferObjects.find(currentFBO);
             if (backendFBOIt != FramebufferImpl::g_backendFramebufferObjects.end()) {