Remove getrandom from examples (#7194)

Author: cwfitzgerald

Cargo.lock

@@ -98,7 +98,6 @@ env_logger = "0.11"
 fern = "0.7"
 flume = "0.11"
 futures-lite = "2"
-getrandom = "0.2"
 glam = "0.29"
 hashbrown = { version = "0.14.5", default-features = false, features = [
     "ahash",

Cargo.toml

@@ -35,7 +35,6 @@ bytemuck.workspace = true
 cfg-if.workspace = true
 encase = { workspace = true, features = ["glam"] }
 flume.workspace = true
-getrandom.workspace = true
 glam = { workspace = true, features = ["bytemuck"] }
 ktx2.workspace = true
 log.workspace = true

examples/features/Cargo.toml

@@ -5,6 +5,8 @@
 //! hello-compute example does not such as mapping buffers
 //! and why use the async channels.
 
+use nanorand::Rng;
+
 const OVERFLOW: u32 = 0xffffffff;
 
 async fn run() {
@@ -13,7 +15,7 @@ async fn run() {
 
     for _ in 0..10 {
         for p in numbers.iter_mut() {
-            *p = generate_rand() as u32;
+            *p = nanorand::tls_rng().generate::<u16>() as u32;
         }
 
         compute(&mut numbers, &context).await;
@@ -29,12 +31,6 @@ async fn run() {
     }
 }
 
-fn generate_rand() -> u16 {
-    let mut bytes = [0u8; 2];
-    getrandom::getrandom(&mut bytes[..]).unwrap();
-    u16::from_le_bytes(bytes)
-}
-
 async fn compute(local_buffer: &mut [u32], context: &WgpuContext) {
     log::info!("Beginning GPU compute on data {local_buffer:?}.");
     // Local buffer contents -> GPU storage buffer