From ea728315410e220d73a993f17c83ae9dc9be9015 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Wed, 7 Aug 2024 17:04:43 +0200
Subject: [PATCH] wayland/compositor: introduce client commit events

---
 src/protocols/DRMSyncobj.cpp      | 2 +-
 src/protocols/core/Compositor.cpp | 2 ++
 src/protocols/core/Compositor.hpp | 5 +++--
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/protocols/DRMSyncobj.cpp b/src/protocols/DRMSyncobj.cpp
index 37e6d0f1..9a48b99a 100644
--- a/src/protocols/DRMSyncobj.cpp
+++ b/src/protocols/DRMSyncobj.cpp
@@ -75,7 +75,7 @@ CDRMSyncobjSurfaceResource::CDRMSyncobjSurfaceResource(SP<CWpLinuxDrmSyncobjSurf
         pending.acquireTimeline->timeline->addWaiter([this]() { surface->unlockPendingState(); }, pending.acquirePoint, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE);
     });
 
-    listeners.surfaceCommit = surface->events.commit.registerListener([this](std::any d) {
+    listeners.surfaceCommit = surface->events.roleCommit.registerListener([this](std::any d) {
         // apply timelines if new ones have been attached, otherwise don't touch
         // the current ones
         if (pending.releaseTimeline) {
diff --git a/src/protocols/core/Compositor.cpp b/src/protocols/core/Compositor.cpp
index 656433d3..a767dd52 100644
--- a/src/protocols/core/Compositor.cpp
+++ b/src/protocols/core/Compositor.cpp
@@ -432,6 +432,8 @@ void CWLSurfaceResource::commitPendingState() {
     pending.bufferDamage.clear();
     pending.newBuffer = false;
 
+    events.roleCommit.emit();
+
     if (syncobj && syncobj->current.releaseTimeline && syncobj->current.releaseTimeline->timeline && current.buffer && current.buffer->buffer)
         current.buffer->releaser = makeShared<CSyncReleaser>(syncobj->current.releaseTimeline->timeline, syncobj->current.releasePoint);
 
diff --git a/src/protocols/core/Compositor.hpp b/src/protocols/core/Compositor.hpp
index af0dfa58..a3245399 100644
--- a/src/protocols/core/Compositor.hpp
+++ b/src/protocols/core/Compositor.hpp
@@ -75,8 +75,9 @@ class CWLSurfaceResource {
     Vector2D                      sourceSize();
 
     struct {
-        CSignal precommit;
-        CSignal commit;
+        CSignal precommit;  // before commit
+        CSignal roleCommit; // commit for role objects, before regular commit
+        CSignal commit;     // after commit
         CSignal map;
         CSignal unmap;
         CSignal newSubsurface;