From 03f444e0ab1cabe79cf05f2291b168d9c7a7ab49 Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Mon, 9 Mar 2026 14:10:08 +0300
Subject: renderer: fix crash with nullptr FBs (#13641)

---
 src/render/OpenGL.cpp | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'src/render/OpenGL.cpp')

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 3c61e3c3..e9ca8baf 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -795,14 +795,22 @@ void CHyprOpenGLImpl::end() {
     }
 
     // invalidate our render FBs to signal to the driver we don't need them anymore
-    g_pHyprRenderer->m_renderData.pMonitor->m_mirrorFB->bind();
-    GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_mirrorFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
-    g_pHyprRenderer->m_renderData.pMonitor->m_mirrorSwapFB->bind();
-    GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_mirrorSwapFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
-    g_pHyprRenderer->m_renderData.pMonitor->m_offloadFB->bind();
-    GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_offloadFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
-    g_pHyprRenderer->m_renderData.pMonitor->m_offMainFB->bind();
-    GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_offMainFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
+    if (g_pHyprRenderer->m_renderData.pMonitor->m_mirrorFB) {
+        g_pHyprRenderer->m_renderData.pMonitor->m_mirrorFB->bind();
+        GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_mirrorFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
+    }
+    if (g_pHyprRenderer->m_renderData.pMonitor->m_mirrorSwapFB) {
+        g_pHyprRenderer->m_renderData.pMonitor->m_mirrorSwapFB->bind();
+        GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_mirrorSwapFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
+    }
+    if (g_pHyprRenderer->m_renderData.pMonitor->m_offloadFB) {
+        g_pHyprRenderer->m_renderData.pMonitor->m_offloadFB->bind();
+        GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_offloadFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
+    }
+    if (g_pHyprRenderer->m_renderData.pMonitor->m_offMainFB) {
+        g_pHyprRenderer->m_renderData.pMonitor->m_offMainFB->bind();
+        GLFB(g_pHyprRenderer->m_renderData.pMonitor->m_offMainFB)->invalidate({GL_STENCIL_ATTACHMENT, GL_COLOR_ATTACHMENT0});
+    }
 
     // reset our data
     m_renderData.pMonitor.reset();
-- 
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