renderer: optimize render pipeline when there is a solitary client

1 files changed, 8 insertions, 2 deletions

diff --git a/src/helpers/SubsurfaceTree.cpp b/src/helpers/SubsurfaceTree.cpp
index 5b86f928..0efa4c49 100644
--- a/src/helpers/SubsurfaceTree.cpp
+++ b/src/helpers/SubsurfaceTree.cpp
@@ -250,8 +250,14 @@ void Events::listener_commitSubsurface(void* owner, void* data) {
         // tearing: if solitary, redraw it. This still might be a single surface window
         const auto PMONITOR = g_pCompositor->getMonitorFromID(pNode->pWindowOwner->m_iMonitorID);
         if (PMONITOR->solitaryClient == pNode->pWindowOwner && pNode->pWindowOwner->canBeTorn() && PMONITOR->canTear) {
-            PMONITOR->nextRenderTorn = true;
-            g_pHyprRenderer->renderMonitor(PMONITOR);
+
+            CRegion damageBox;
+            wlr_surface_get_effective_damage(pNode->pSurface->wlr(), damageBox.pixman());
+
+            if (!damageBox.empty()) {
+                PMONITOR->nextRenderTorn = true;
+                g_pHyprRenderer->renderMonitor(PMONITOR);
+            }
         }
     }
 }