From 68e57b7ee36f015d99988f38cb3a8b83c23ae7c3 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Sun, 26 Nov 2023 15:24:24 +0000
Subject: renderer: proper full occlusion checks for back layer

---
 src/render/Renderer.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

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

diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index 770ca16a..e058f1c7 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -2187,7 +2187,12 @@ bool CHyprRenderer::canSkipBackBufferClear(CMonitor* pMonitor) {
             ls->geometry.height != pMonitor->vecSize.y)
             continue;
 
-        if (!ls->layerSurface->surface->opaque)
+        // TODO: cache maybe?
+        CRegion opaque = &ls->layerSurface->surface->opaque_region;
+        CBox    lsbox  = {0, 0, ls->layerSurface->surface->current.buffer_width, ls->layerSurface->surface->current.buffer_height};
+        opaque.invert(lsbox);
+
+        if (!opaque.empty())
             continue;
 
         return true;
-- 
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