From f7526d6be00d75f3abde72883903f9a7116de097 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Wed, 11 Jun 2025 16:57:07 +0200
Subject: [PATCH] renderer: refuse rendering invalid resolutions

sometimes a driver fails to assign any reasonable mode in which case we might render 0x0 which will make us crash. Don't do that. Part 1 of #10678
---
 src/render/Renderer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index 71d22d3c6..f33e60126 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -1165,6 +1165,11 @@ void CHyprRenderer::renderMonitor(PHLMONITOR pMonitor) {
 
     static int                                            damageBlinkCleanup = 0; // because double-buffered
 
+    if (pMonitor->m_pixelSize.x < 1 || pMonitor->m_pixelSize.y < 1) {
+        Debug::log(ERR, "Refusing to render a monitor because of an invalid pixel size: {}", pMonitor->m_pixelSize);
+        return;
+    }
+
     if (!*PDAMAGEBLINK)
         damageBlinkCleanup = 0;