diff --git a/Android/app/src/main/java/name/jinleili/wgpu/MainActivity.kt b/Android/app/src/main/java/name/jinleili/wgpu/MainActivity.kt
index 0e44e9d..4c18daa 100644
--- a/Android/app/src/main/java/name/jinleili/wgpu/MainActivity.kt
+++ b/Android/app/src/main/java/name/jinleili/wgpu/MainActivity.kt
@@ -41,7 +41,7 @@ var surfaceView: WGPUSurfaceView? = null
 @Composable
 fun SurfaceCard() {
     var selected by remember { mutableStateOf("boids") }
-    val toggleValues = listOf("boids", "MSAA line", "cube", "water", "shadow")
+    val toggleValues = listOf("boids", "MSAA line", "cube", "water", "shadow", "HDR ASTC")
     val screenWidth = LocalConfiguration.current.screenWidthDp.dp
     Column(modifier = Modifier.fillMaxSize()) {
         Row(
diff --git a/Cargo.lock b/Cargo.lock
index e84d06b..fab8e39 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1565,7 +1565,7 @@ dependencies = [
 [[package]]
 name = "wgpu"
 version = "0.12.0"
-source = "git+https://github.com/jinleili/wgpu?rev=92d7b257#92d7b257f1a8653455e7fafb04e8ae4adb39858c"
+source = "git+https://github.com/jinleili/wgpu?rev=305eadb1#305eadb19b58272674363fbb3c0924e15d30212a"
 dependencies = [
  "arrayvec",
  "js-sys",
@@ -1585,7 +1585,7 @@ dependencies = [
 [[package]]
 name = "wgpu-core"
 version = "0.12.0"
-source = "git+https://github.com/jinleili/wgpu?rev=92d7b257#92d7b257f1a8653455e7fafb04e8ae4adb39858c"
+source = "git+https://github.com/jinleili/wgpu?rev=305eadb1#305eadb19b58272674363fbb3c0924e15d30212a"
 dependencies = [
  "arrayvec",
  "bitflags",
@@ -1607,7 +1607,7 @@ dependencies = [
 [[package]]
 name = "wgpu-hal"
 version = "0.12.0"
-source = "git+https://github.com/jinleili/wgpu?rev=92d7b257#92d7b257f1a8653455e7fafb04e8ae4adb39858c"
+source = "git+https://github.com/jinleili/wgpu?rev=305eadb1#305eadb19b58272674363fbb3c0924e15d30212a"
 dependencies = [
  "arrayvec",
  "ash",
@@ -1665,7 +1665,7 @@ dependencies = [
 [[package]]
 name = "wgpu-types"
 version = "0.12.0"
-source = "git+https://github.com/jinleili/wgpu?rev=92d7b257#92d7b257f1a8653455e7fafb04e8ae4adb39858c"
+source = "git+https://github.com/jinleili/wgpu?rev=305eadb1#305eadb19b58272674363fbb3c0924e15d30212a"
 dependencies = [
  "bitflags",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 47afce3..5ddffe7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,7 @@ crate-type = ["rlib", "staticlib", "cdylib"]
 [features]
 angle = ["wgpu/angle"]
 default = []
+vulkan-portability = ["wgpu/vulkan-portability"]
 
 [dependencies]
 app-surface = {path = "./app-surface"}
@@ -20,7 +21,7 @@ noise = {version = "0.7", default-features = false}
 pollster = "0.2"
 rand = {version = "0.7.2"}
 # wgpu = {git = "https://github.com/gfx-rs/wgpu", rev = "6931e571"}
-wgpu = {git = "https://github.com/jinleili/wgpu", rev = "92d7b257"}
+wgpu = {git = "https://github.com/jinleili/wgpu", rev = "305eadb1"}
 # wgpu = {path = "../../forks/wgpu/wgpu"}
 
 [target.'cfg(any(not(target_os = "ios"), not(target_os = "android")))'.dependencies]
diff --git a/README.MD b/README.MD
index b345314..0321403 100644
--- a/README.MD
+++ b/README.MD
@@ -86,8 +86,11 @@ cp target/armv7-linux-androideabi/release/libwgpu_on_app.so android/app/libs/arm
 ```sh
 # Use Metal backend.
 cargo run
-# Or, use GL backend, need `Angle` libs on your computer.
+# Use GL backend, need `Angle` libs on your computer.
 # https://github.com/gfx-rs/wgpu/pull/2461
-WGPU_BACKEND=gl cargo run --features=angle
+cargo run --features angle
+# Use Vulkan backend
+# https://github.com/gfx-rs/wgpu/pull/2488
+cargo run --features vulkan-portability
 # Then, press 0, 1, 2, 3, 4 keys change running example.
 ```
\ No newline at end of file
diff --git a/android_debug.sh b/android_debug.sh
index 5db14f7..9ee0239 100755
--- a/android_debug.sh
+++ b/android_debug.sh
@@ -1,6 +1,9 @@
 # build to Android target
-RUST_BACKTRACE=1 RUST_LOG=wgpu_hal=debug cargo so b --lib --target aarch64-linux-android 
-RUST_BACKTRACE=1 RUST_LOG=wgpu_hal=debug cargo so b --lib --target armv7-linux-androideabi
+# RUST_LOG=wgpu_hal=debug WGPU_BACKEND=gl cargo so b --features=angle --lib --target aarch64-linux-android
+# RUST_LOG=wgpu_hal=debug WGPU_BACKEND=gl cargo so b --features=angle --lib --target armv7-linux-androideabi
+RUST_BACKTRACE=full RUST_LOG=wgpu_hal=debug cargo so b --lib --target aarch64-linux-android 
+RUST_BACKTRACE=full RUST_LOG=wgpu_hal=debug cargo so b --lib --target armv7-linux-androideabi
+
 # copy .so files to jniLibs folder
 cp target/aarch64-linux-android/debug/libwgpu_on_app.so android/app/libs/arm64-v8a/libwgpu_on_app.so
 cp target/armv7-linux-androideabi/debug/libwgpu_on_app.so android/app/libs/armeabi-v7a/libwgpu_on_app.so
diff --git a/app-surface/Cargo.toml b/app-surface/Cargo.toml
index ce4ff4d..0e6fb57 100644
--- a/app-surface/Cargo.toml
+++ b/app-surface/Cargo.toml
@@ -14,13 +14,18 @@ default = []
 log = "0.4"
 pollster = "0.2"
 # wgpu = {git = "https://github.com/gfx-rs/wgpu", rev = "6931e571"}
-wgpu = {git = "https://github.com/jinleili/wgpu", rev = "92d7b257"}
+wgpu = {git = "https://github.com/jinleili/wgpu", rev = "305eadb1"}
 # wgpu = {path = "../../../forks/wgpu/wgpu"}
 
 [target.'cfg(any(not(target_os = "ios"), not(target_os = "android")))'.dependencies]
 async-executor = "1.0"
 winit = "0.26"
 
+[target.'cfg(target_os = "macos")'.dependencies]
+libc = "*"
+objc = "0.2.7"
+raw-window-handle = "0.4"
+
 [target.'cfg(target_os = "ios")'.dependencies]
 core-graphics = "*"
 env_logger = "0.9"
diff --git a/app-surface/src/app_surface.rs b/app-surface/src/app_surface.rs
index 17ffd4c..92cb6c2 100644
--- a/app-surface/src/app_surface.rs
+++ b/app-surface/src/app_surface.rs
@@ -12,8 +12,7 @@ pub struct AppSurface {
 impl AppSurface {
     pub fn new(view: winit::window::Window) -> Self {
         let scale_factor = view.scale_factor();
-        let backend =
-            wgpu::util::backend_bits_from_env().unwrap_or_else(|| wgpu::Backends::PRIMARY);
+        let backend = wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
         let instance = wgpu::Instance::new(backend);
         let (physical, surface) = unsafe { (view.inner_size(), instance.create_surface(&view)) };
         let (_adapter, device, queue) =
@@ -21,7 +20,9 @@ impl AppSurface {
 
         let config = wgpu::SurfaceConfiguration {
             usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
-            format: wgpu::TextureFormat::Bgra8UnormSrgb,
+            // format: wgpu::TextureFormat::Bgra8UnormSrgb,
+            format: wgpu::TextureFormat::Rgba16Float,
+
             width: physical.width as u32,
             height: physical.height as u32,
             present_mode: wgpu::PresentMode::Fifo,
diff --git a/app-surface/src/ios.rs b/app-surface/src/ios.rs
index d1b58e0..90ae93f 100644
--- a/app-surface/src/ios.rs
+++ b/app-surface/src/ios.rs
@@ -33,7 +33,7 @@ impl AppSurface {
             (s.size.width as f32 * scale_factor) as u32,
             (s.size.height as f32 * scale_factor) as u32,
         );
-        let backend = wgpu::util::backend_bits_from_env().unwrap_or_else(|| wgpu::Backends::METAL);
+        let backend = wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
         let instance = wgpu::Instance::new(backend);
         let surface = unsafe { instance.create_surface_from_core_animation_layer(obj.metal_layer) };
         let (_adapter, device, queue) =
diff --git a/app-surface/src/lib.rs b/app-surface/src/lib.rs
index 934e111..c9dabe6 100644
--- a/app-surface/src/lib.rs
+++ b/app-surface/src/lib.rs
@@ -95,6 +95,7 @@ async fn request_device(
             request_features |= f;
         }
     }
+    // request_features |= wgpu::Features::TEXTURE_COMPRESSION_ASTC_HDR;
 
     let res = adapter
         .request_device(
@@ -108,6 +109,8 @@ async fn request_device(
         .await;
     match res {
         Err(err) => {
+            log::info!("hdr 1, {:?}", err);
+
             panic!("request_device failed: {:?}", err);
         }
         Ok(tuple) => (adapter, tuple.0, tuple.1),
diff --git a/iOS/wgpu_on_iOS.xcodeproj/project.xcworkspace/xcuserdata/LiJinlei.xcuserdatad/UserInterfaceState.xcuserstate b/iOS/wgpu_on_iOS.xcodeproj/project.xcworkspace/xcuserdata/LiJinlei.xcuserdatad/UserInterfaceState.xcuserstate
index 9106250..3f7d022 100644
Binary files a/iOS/wgpu_on_iOS.xcodeproj/project.xcworkspace/xcuserdata/LiJinlei.xcuserdatad/UserInterfaceState.xcuserstate and b/iOS/wgpu_on_iOS.xcodeproj/project.xcworkspace/xcuserdata/LiJinlei.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/src/android.rs b/src/android.rs
index dbd9636..009eba4 100644
--- a/src/android.rs
+++ b/src/android.rs
@@ -10,7 +10,7 @@ use log::{info, Level};
 #[no_mangle]
 #[jni_fn("name.jinleili.wgpu.RustBridge")]
 pub unsafe fn createWgpuCanvas(env: *mut JNIEnv, _: JClass, surface: jobject, idx: jint) -> jlong {
-    android_logger::init_once(Config::default().with_min_level(Level::Info));
+    android_logger::init_once(Config::default().with_min_level(Level::Trace));
     let canvas = WgpuCanvas::new(AppSurface::new(env as *mut _, surface), idx as i32);
     info!("WgpuCanvas created!");
     Box::into_raw(Box::new(canvas)) as jlong
diff --git a/src/main.rs b/src/main.rs
index f8dc7c4..e84b4c8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,7 +20,7 @@ fn main() {
         .with_title("wgpu on Desktop");
     let window = builder.build(&events_loop).unwrap();
 
-    let mut canvas = WgpuCanvas::new(AppSurface::new(window), 2_i32);
+    let mut canvas = WgpuCanvas::new(AppSurface::new(window), 0_i32);
 
     let mut last_update_inst = Instant::now();
     let target_frametime = Duration::from_secs_f64(1.0 / 60.0);
diff --git a/src/wgpu_canvas.rs b/src/wgpu_canvas.rs
index 6e92b71..53ac051 100644
--- a/src/wgpu_canvas.rs
+++ b/src/wgpu_canvas.rs
@@ -9,12 +9,14 @@ pub struct WgpuCanvas {
 #[allow(dead_code)]
 impl WgpuCanvas {
     pub fn new(app_surface: AppSurface, _idx: i32) -> Self {
-        let example = Box::new(Boids::new(&app_surface));
+        let example = Box::new(Water::new(&app_surface));
+        // let hdr_view = HDRImageView::new(&mutapp_surface);
         log::info!("example created");
-        let instance = WgpuCanvas {
+        let mut instance = WgpuCanvas {
             app_surface,
             example,
         };
+        // instance.change_example(5);
         if let Some(callback) = instance.app_surface.callback_to_app {
             callback(0);
         }