From 024752bbe30aed16fddfb3a2c86d63c3eab7e4dc Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Mon, 1 Aug 2022 20:18:26 +0200
Subject: [PATCH] fix new blur optimizations with non-full damage

---
 src/events/Monitors.cpp |  2 ++
 src/render/OpenGL.cpp   | 19 +++++++++++++++++++
 src/render/OpenGL.hpp   |  1 +
 3 files changed, 22 insertions(+)

diff --git a/src/events/Monitors.cpp b/src/events/Monitors.cpp
index b8b5859e..6bde6f34 100644
--- a/src/events/Monitors.cpp
+++ b/src/events/Monitors.cpp
@@ -153,6 +153,8 @@ void Events::listener_monitorFrame(void* owner, void* data) {
         return;
     }
 
+    g_pHyprOpenGL->preRender(PMONITOR);
+
     if (!wlr_output_damage_attach_render(PMONITOR->damage, &hasChanged, &damage)){
         Debug::log(ERR, "Couldn't attach render to display %s ???", PMONITOR->szName.c_str());
         return;
diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 4095099b..a6db359a 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -579,6 +579,25 @@ void CHyprOpenGLImpl::markBlurDirtyForMonitor(CMonitor* pMonitor) {
     m_mMonitorRenderResources[pMonitor].blurFBDirty = true;
 }
 
+void CHyprOpenGLImpl::preRender(CMonitor* pMonitor) {
+    static auto *const PBLURNEWOPTIMIZE = &g_pConfigManager->getConfigValuePtr("decoration:blur_new_optimizations")->intValue;
+
+    if (!*PBLURNEWOPTIMIZE || !m_mMonitorRenderResources[pMonitor].blurFBDirty)
+        return;
+
+    bool has = false;
+
+    for (auto& w : g_pCompositor->m_vWindows) {
+        if (w->m_iWorkspaceID == pMonitor->activeWorkspace && w->m_bIsMapped && !w->m_bHidden && !w->m_bIsFloating) {
+            has = true;
+            break;
+        }
+    }
+
+    if (has)
+        g_pHyprRenderer->damageMonitor(pMonitor);
+}
+
 void CHyprOpenGLImpl::preBlurForCurrentMonitor() {
 
     // make the fake dmg
diff --git a/src/render/OpenGL.hpp b/src/render/OpenGL.hpp
index 14995979..5e8d32e6 100644
--- a/src/render/OpenGL.hpp
+++ b/src/render/OpenGL.hpp
@@ -88,6 +88,7 @@ public:
     void    markBlurDirtyForMonitor(CMonitor*);
 
     void    preWindowPass();
+    void    preRender(CMonitor*);
 
     SCurrentRenderData m_RenderData;