guard primaryFB tex in end()

1 files changed, 12 insertions, 0 deletions

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index d52fee79..3ad39469 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -133,6 +133,18 @@ void CHyprOpenGLImpl::end() {
 
         clear(CColor(11, 11, 11, 255));
 
+        if (m_RenderData.pCurrentMonData->primaryFB.m_cTex.m_iTexID == 0) {
+            Debug::log(ERR, "Couldn't end() frame (primary FB tex null???)");
+
+            // this apparently sometimes happens during lid switches... for some people?
+            // release all resources, will be recalc'd
+            destroyMonitorResources(m_RenderData.pMonitor);
+
+            m_RenderData.pMonitor = nullptr;
+            m_iWLROutputFb = 0;
+            return;
+        }
+
         m_bEndFrame = true;
 
         renderTexture(m_RenderData.pCurrentMonData->primaryFB.m_cTex, &monbox, 255.f, 0);