From 0d45b277d6c750377b336034b8adc53eae238d91 Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Fri, 22 Aug 2025 20:24:25 +0300
Subject: internal: Solitary clients with single subsurface & verbose
 solitary/tearing/DS checks (#11228)

Adds more verbose checks for various conditional rendering mechanisms
---
 src/desktop/Window.cpp | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

(limited to 'src/desktop/Window.cpp')

diff --git a/src/desktop/Window.cpp b/src/desktop/Window.cpp
index c7fd6b0b..f9857438 100644
--- a/src/desktop/Window.cpp
+++ b/src/desktop/Window.cpp
@@ -18,6 +18,7 @@
 #include "../managers/ANRManager.hpp"
 #include "../protocols/XDGShell.hpp"
 #include "../protocols/core/Compositor.hpp"
+#include "../protocols/core/Subcompositor.hpp"
 #include "../protocols/ContentType.hpp"
 #include "../protocols/FractionalScale.hpp"
 #include "../xwayland/XWayland.hpp"
@@ -1180,7 +1181,8 @@ bool CWindow::opaque() {
     if (m_isX11 && m_xwaylandSurface && m_xwaylandSurface->m_surface && m_xwaylandSurface->m_surface->m_current.texture)
         return m_xwaylandSurface->m_surface->m_current.texture->m_opaque;
 
-    if (!m_wlSurface->resource() || !m_wlSurface->resource()->m_current.texture)
+    auto solitaryResource = getSolitaryResource();
+    if (!solitaryResource || !solitaryResource->m_current.texture)
         return false;
 
     // TODO: this is wrong
@@ -1188,7 +1190,7 @@ bool CWindow::opaque() {
     if (EXTENTS.w >= m_xdgSurface->m_surface->m_current.bufferSize.x && EXTENTS.h >= m_xdgSurface->m_surface->m_current.bufferSize.y)
         return true;
 
-    return m_wlSurface->resource()->m_current.texture->m_opaque;
+    return solitaryResource->m_current.texture->m_opaque;
 }
 
 float CWindow::rounding() {
@@ -1324,7 +1326,7 @@ void CWindow::onFocusAnimUpdate() {
 }
 
 int CWindow::popupsCount() {
-    if (m_isX11)
+    if (m_isX11 || !m_popupHead)
         return 0;
 
     int no = -1;
@@ -1870,3 +1872,29 @@ PHLWINDOW CWindow::parent() {
 bool CWindow::priorityFocus() {
     return !m_isX11 && CAsyncDialogBox::isPriorityDialogBox(getPID());
 }
+
+SP<CWLSurfaceResource> CWindow::getSolitaryResource() {
+    if (!m_wlSurface || !m_wlSurface->resource())
+        return nullptr;
+
+    auto res = m_wlSurface->resource();
+    if (m_isX11)
+        return res;
+
+    if (popupsCount())
+        return nullptr;
+
+    if (res->m_subsurfaces.size() == 0)
+        return res;
+
+    if (res->m_subsurfaces.size() == 1) {
+        if (res->m_subsurfaces[0].expired() || res->m_subsurfaces[0]->m_surface.expired())
+            return nullptr;
+        auto surf = res->m_subsurfaces[0]->m_surface.lock();
+        if (!surf || surf->m_subsurfaces.size() != 0 || surf->extends() != res->extends() || !surf->m_current.texture || !surf->m_current.texture->m_opaque)
+            return nullptr;
+        return surf;
+    }
+
+    return nullptr;
+}
\ No newline at end of file
-- 
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