cursor: move to a hyprland impl

This moves wlr_cursor to a completely new impl mostly under
CPointerManager

Also adds beginSimple to OpenGL for simple render passes (e.g. cursor)

src/devices/VirtualPointer.cpp

@@ -37,6 +37,7 @@ CVirtualPointer::CVirtualPointer(SP<CVirtualPointerV1Resource> resource) : point
         pointerEvents.motionAbsolute.emit(SMotionAbsoluteEvent{
             .timeMs   = E->time_msec,
             .absolute = {E->x, E->y},
+            .device   = self.lock(),
         });
     }, this, "CVirtualPointer");
 
@@ -63,6 +64,10 @@ CVirtualPointer::CVirtualPointer(SP<CVirtualPointerV1Resource> resource) : point
         });
     }, this, "CVirtualPointer");
 
+    hyprListener_frame.initCallback(&mouse->events.frame, [this] (void* owner, void* data) {
+        pointerEvents.frame.emit();
+    }, this, "CVirtualPointer");
+
     hyprListener_swipeBegin.initCallback(&mouse->events.swipe_begin, [this] (void* owner, void* data) {
         auto E = (wlr_pointer_swipe_begin_event*)data;