protocols: Add support for hyprland-ctm-control-v1 (#8023)

* initial ctm support

* flake.lock: update

* Meson: bump required versions and add ctm proto

---------

Co-authored-by: Mihai Fufezan <mihai@fufexan.net>

src/helpers/Monitor.hpp

@@ -131,6 +131,10 @@ class CMonitor {
     CMonitor*              pMirrorOf = nullptr;
     std::vector<CMonitor*> mirrors;
 
+    // ctm
+    Mat3x3 ctm        = Mat3x3::identity();
+    bool   ctmUpdated = false;
+
     // for tearing
     PHLWINDOWREF solitaryClient;
 
@@ -179,6 +183,7 @@ class CMonitor {
     CBox        logicalBox();
     void        scheduleDone();
     bool        attemptDirectScanout();
+    void        setCTM(const Mat3x3& ctm);
 
     bool        m_bEnabled             = false;
     bool        m_bRenderingInitPassed = false;