core/surface/buffer: Buffer lock/release fixes (#7110)

src/protocols/core/Seat.hpp

@@ -16,6 +16,7 @@
 #include "wayland.hpp"
 #include "../../helpers/signal/Signal.hpp"
 #include "../../helpers/math/Math.hpp"
+#include "../types/SurfaceRole.hpp"
 
 constexpr const char* HL_SEAT_NAME = "Hyprland";
 
@@ -27,6 +28,20 @@ class CWLKeyboardResource;
 class CWLTouchResource;
 class CWLSeatResource;
 
+class CCursorSurfaceRole : public ISurfaceRole {
+  public:
+    virtual eSurfaceRole role() {
+        return SURFACE_ROLE_CURSOR;
+    }
+
+    // gets the current pixel data from a shm surface
+    // will assert if the surface is not a cursor
+    static std::vector<uint8_t>& cursorPixelData(SP<CWLSurfaceResource> surface);
+
+  private:
+    std::vector<uint8_t> cursorShmPixelData;
+};
+
 class CWLTouchResource {
   public:
     CWLTouchResource(SP<CWlTouch> resource_, SP<CWLSeatResource> owner_);