diff --git a/kubi-ui/shaders/vertex.vert b/kubi-ui/shaders/vertex.vert
index 9a1fb4e..cd61047 100644
--- a/kubi-ui/shaders/vertex.vert
+++ b/kubi-ui/shaders/vertex.vert
@@ -2,7 +2,8 @@
 
 precision highp float;
 in vec2 position;
+uniform vec2 resolution;
 
 void main() {
-  gl_Position = vec4(position, 0., 1.);
+  gl_Position = vec4(vec2(1., -1.) * (position / resolution), 0., 1.);
 }
diff --git a/kubi-ui/src/backend/glium.rs b/kubi-ui/src/backend/glium.rs
index ce92d1b..421b5dd 100644
--- a/kubi-ui/src/backend/glium.rs
+++ b/kubi-ui/src/backend/glium.rs
@@ -9,8 +9,8 @@ use glium::{
 
 use crate::draw::{UiDrawPlan, UiVertex};
 
-const VERTEX_SHADER: &str = include_str!("../../shaders/fragment.frag");
-const FRAGMENT_SHADER: &str = include_str!("../../shaders/vertex.vert");
+const VERTEX_SHADER: &str = include_str!("../../shaders/vertex.vert");
+const FRAGMENT_SHADER: &str = include_str!("../../shaders/fragment.frag");
 
 #[derive(Clone, Copy)]
 struct Vertex {
@@ -50,10 +50,38 @@ impl GliumUiRenderer {
     }
   }
 
-  pub fn draw(&mut self, frame: &mut glium::Frame, resolution: Vec2, plan: &UiDrawPlan) {
-    self.vertex_buffer.write(&plan.vertices.iter().copied().map(Vertex::from).collect::<Vec<_>>());
-    self.index_buffer.write(&plan.indices);
+  fn ensure_buffer_size(&mut self, need_vtx: usize, need_idx: usize) {
+    let current_vtx_size = self.vertex_buffer.get_size();
+    let current_idx_size = self.index_buffer.get_size();
+    if current_vtx_size >= need_vtx && current_idx_size >= need_idx {
+      return
+    }
+    let new_vtx_size = (need_vtx + 1).next_power_of_two();
+    let new_idx_size = (need_idx + 1).next_power_of_two();
+    log::debug!("resizing buffers: vtx {} -> {}, idx {} -> {}", current_vtx_size, new_vtx_size, current_idx_size, new_idx_size);
+    if current_vtx_size != new_vtx_size {
+      self.vertex_buffer = VertexBuffer::empty_persistent(self.vertex_buffer.get_context(), new_vtx_size).unwrap();
+    }
+    if current_idx_size != new_idx_size {
+      self.index_buffer = IndexBuffer::empty_persistent(self.index_buffer.get_context(), PrimitiveType::TrianglesList, new_idx_size).unwrap();
+    }
+  }
 
+  fn write_buffer_data(&mut self, vtx: &[Vertex], idx: &[u32]) {
+    self.ensure_buffer_size(vtx.len(), idx.len());
+    self.vertex_buffer.invalidate();
+    self.vertex_buffer.slice_mut(0..vtx.len()).unwrap().write(vtx);
+    self.index_buffer.invalidate();
+    self.index_buffer.slice_mut(0..idx.len()).unwrap().write(idx);
+  }
+
+  pub fn update(&mut self, plan: &UiDrawPlan) {
+    let data_vtx = &plan.vertices.iter().copied().map(Vertex::from).collect::<Vec<_>>();
+    let data_idx = &plan.indices;
+    self.write_buffer_data(data_vtx, data_idx);
+  }
+
+  pub fn draw(&self, frame: &mut glium::Frame, resolution: Vec2) {
     let params = DrawParameters {
       blend: Blend::alpha_blending(),
       ..Default::default()
diff --git a/kubi/src/gui_integration.rs b/kubi/src/gui_integration.rs
deleted file mode 100644
index e69de29..0000000
diff --git a/kubi/src/guiv2_integration.rs b/kubi/src/guiv2_integration.rs
new file mode 100644
index 0000000..562d892
--- /dev/null
+++ b/kubi/src/guiv2_integration.rs
@@ -0,0 +1,45 @@
+use kubi_ui::{KubiUi, backend::glium::GliumUiRenderer};
+use shipyard::{AllStoragesView, Unique, UniqueView, NonSendSync, UniqueViewMut};
+use crate::rendering::{Renderer, RenderTarget, WindowSize};
+
+#[derive(Unique)]
+pub struct UiState {
+  pub ui: KubiUi,
+  pub renderer: GliumUiRenderer,
+}
+
+pub fn kubi_ui_init(
+  storages: AllStoragesView
+) {
+  let renderer = storages.borrow::<NonSendSync<UniqueView<Renderer>>>().unwrap();
+  storages.add_unique_non_send_sync(UiState {
+    ui: KubiUi::new(),
+    renderer: GliumUiRenderer::new(&renderer.display)
+  });
+}
+
+pub fn kubi_ui_begin(
+  mut ui: NonSendSync<UniqueViewMut<UiState>>
+) {
+  ui.ui.begin();
+}
+
+pub fn kubi_ui_end(
+  mut ui: NonSendSync<UniqueViewMut<UiState>>
+) {
+  let ui: &mut UiState = &mut ui;
+  let UiState { ui, renderer } = ui;
+  ui.end();
+  let (upload_needed, plan) = ui.draw_plan();
+  if upload_needed {
+    renderer.update(plan);
+  }
+}
+
+pub fn kubi_ui_draw(
+  ui: NonSendSync<UniqueView<UiState>>,
+  mut target: NonSendSync<UniqueViewMut<RenderTarget>>,
+  size: UniqueView<WindowSize>
+) {
+  ui.renderer.draw(&mut target.0, size.0.as_vec2());
+}
diff --git a/kubi/src/legacy_gui.rs b/kubi/src/legacy_gui.rs
index 3a57db1..29561c5 100644
--- a/kubi/src/legacy_gui.rs
+++ b/kubi/src/legacy_gui.rs
@@ -9,29 +9,29 @@ use progressbar::render_progressbars;
 
 //TODO compute gui scale on window resize
 #[derive(Unique, Clone, Copy, Debug, Default)]
-pub struct GuiView(pub Mat4);
+pub struct LegacyGuiView(pub Mat4);
 
 #[derive(Component, Clone, Copy, Debug, Default)]
-pub struct GuiComponent;
+pub struct LegacyGuiComponent;
 
 #[derive(Component, Clone, Copy, Debug)]
-pub struct PrimaryColor(pub Vec4);
-impl Default for PrimaryColor {
+pub struct LegacyPrimaryColor(pub Vec4);
+impl Default for LegacyPrimaryColor {
   fn default() -> Self {
     Self(color_hex(0x156cddff))
   }
 }
 
 #[derive(Component, Clone, Copy, Debug)]
-pub struct SecondaryColor(pub Vec4);
-impl Default for SecondaryColor {
+pub struct LegacySecondaryColor(pub Vec4);
+impl Default for LegacySecondaryColor {
   fn default() -> Self {
     Self(color_hex(0xc9d5e4ff))
   }
 }
 
-fn update_gui_view(
-  mut view: UniqueViewMut<GuiView>,
+fn update_legacy_gui_view(
+  mut view: UniqueViewMut<LegacyGuiView>,
   resize: View<WindowResizedEvent>,
 ) {
   let Some(&size) = resize.iter().next() else {
@@ -41,19 +41,19 @@ fn update_gui_view(
   view.0 = Mat4::orthographic_rh_gl(0.0, w as f32, h as f32, 0.0, -1.0, 1.0);
 }
 
-pub fn init_gui(
+pub fn legacy_ui_init(
   storages: AllStoragesView
 ) {
-  storages.add_unique(GuiView::default());
+  storages.add_unique(LegacyGuiView::default());
 }
 
-pub fn update_gui() -> Workload {
+pub fn legacy_ui_update() -> Workload {
   (
-    update_gui_view
+    update_legacy_gui_view
   ).into_sequential_workload()
 }
 
-pub fn render_gui() -> Workload {
+pub fn legacy_ui_render() -> Workload {
   (
     render_progressbars
   ).into_sequential_workload()
diff --git a/kubi/src/legacy_gui/progressbar.rs b/kubi/src/legacy_gui/progressbar.rs
index b5f59d1..c88f80f 100644
--- a/kubi/src/legacy_gui/progressbar.rs
+++ b/kubi/src/legacy_gui/progressbar.rs
@@ -8,7 +8,7 @@ use crate::{
   }, 
   transform::Transform2d,
 };
-use super::{GuiComponent, PrimaryColor, SecondaryColor, GuiView};
+use super::{LegacyGuiComponent, LegacyPrimaryColor, LegacySecondaryColor, LegacyGuiView};
 
 #[derive(Component, Debug, Clone, Copy, Default)]
 pub struct ProgressbarComponent {
@@ -19,12 +19,12 @@ pub fn render_progressbars(
   mut target: NonSendSync<UniqueViewMut<RenderTarget>>,
   rect: NonSendSync<UniqueView<RectPrimitive>>,
   program: NonSendSync<UniqueView<ProgressbarShaderPrefab>>,
-  view: UniqueView<GuiView>,
-  components: View<GuiComponent>,
+  view: UniqueView<LegacyGuiView>,
+  components: View<LegacyGuiComponent>,
   transforms: View<Transform2d, track::All>,
   progressbars: View<ProgressbarComponent>,
-  primary: View<PrimaryColor>,
-  secondary: View<SecondaryColor>,
+  primary: View<LegacyPrimaryColor>,
+  secondary: View<LegacySecondaryColor>,
 ) {
   for (eid, (_, transform, progress)) in (&components, &transforms, &progressbars).iter().with_id() {
     let primary_color = primary.get(eid).copied().unwrap_or_default();
diff --git a/kubi/src/lib.rs b/kubi/src/lib.rs
index 383ee25..7189640 100644
--- a/kubi/src/lib.rs
+++ b/kubi/src/lib.rs
@@ -30,6 +30,7 @@ pub(crate) mod cursor_lock;
 pub(crate) mod control_flow;
 pub(crate) mod state;
 pub(crate) mod legacy_gui;
+pub(crate) mod guiv2_integration;
 pub(crate) mod networking;
 pub(crate) mod init;
 pub(crate) mod color;
@@ -43,7 +44,7 @@ use world::{
   loading::update_loaded_world_around_player, 
   raycast::update_raycasts,
   queue::apply_queued_blocks, 
-  tasks::{ChunkTaskManager},
+  tasks::ChunkTaskManager,
 };
 use player::{spawn_player, MainPlayer};
 use prefabs::load_prefabs;
@@ -76,7 +77,8 @@ use control_flow::{exit_on_esc, insert_control_flow_unique, RequestExit};
 use state::{is_ingame, is_ingame_or_loading, is_loading, init_state, update_state, is_connecting};
 use networking::{update_networking, update_networking_late, is_multiplayer, disconnect_on_exit, is_singleplayer};
 use init::initialize_from_args;
-use legacy_gui::{render_gui, init_gui, update_gui};
+use legacy_gui::{legacy_ui_render, legacy_ui_init, legacy_ui_update};
+use guiv2_integration::{kubi_ui_init, kubi_ui_begin, kubi_ui_end, kubi_ui_draw};
 use loading_screen::update_loading_screen;
 use connecting_screen::switch_to_loading_if_connected;
 use fixed_timestamp::init_fixed_timestamp_storage;
@@ -94,6 +96,7 @@ fn startup() -> Workload {
     init_fixed_timestamp_storage,
     initial_resize_event,
     init_window_size,
+    kubi_ui_init,
     load_prefabs,
     init_primitives,
     insert_lock_state,
@@ -101,7 +104,7 @@ fn startup() -> Workload {
     initialize_from_args,
     lock_cursor_now,
     init_input,
-    init_gui,
+    legacy_ui_init,
     insert_control_flow_unique,
     init_delta_time,
   ).into_sequential_workload()
@@ -112,6 +115,7 @@ fn update() -> Workload {
     update_window_size,
     update_cursor_lock_state,
     process_inputs,
+    kubi_ui_begin,
     (
       init_game_world.run_if_missing_unique::<ChunkTaskManager>(),
       (
@@ -137,7 +141,8 @@ fn update() -> Workload {
     ).into_sequential_workload().run_if(is_ingame),
     update_networking_late.run_if(is_multiplayer),
     compute_cameras,
-    update_gui,
+    legacy_ui_update,
+    kubi_ui_end,
     update_state,
     exit_on_esc,
     disconnect_on_exit.run_if(is_multiplayer),
@@ -153,7 +158,7 @@ fn render() -> Workload {
       render_selection_box,
       render_entities,
     ).into_sequential_workload().run_if(is_ingame),
-    render_gui,
+    legacy_ui_render,
   ).into_sequential_workload()
 }
 
diff --git a/kubi/src/loading_screen.rs b/kubi/src/loading_screen.rs
index 2cecc58..6da4029 100644
--- a/kubi/src/loading_screen.rs
+++ b/kubi/src/loading_screen.rs
@@ -6,7 +6,7 @@ use crate::{
   state::{GameState, NextState, is_changing_state}, 
   transform::Transform2d,
   legacy_gui::{
-    GuiComponent,
+    LegacyGuiComponent,
     progressbar::ProgressbarComponent
   },
   rendering::{WindowSize, if_resized}, 
@@ -21,7 +21,7 @@ fn spawn_loading_screen(
 ) {
   let size = *storages.borrow::<UniqueView<WindowSize>>().unwrap();
   let entity = storages.add_entity((
-    GuiComponent,
+    LegacyGuiComponent,
     Transform2d(Mat3::from_scale_angle_translation(
       vec2(size.0.x as f32, 16.), 
       0.,