[add] explicit version for which windows crate to use.

Author: vmarcella

Cargo.lock

@@ -3,17 +3,17 @@ resolver = "2"
 
 # Sub packages provided by lambda.
 members = [
-    "crates/lambda-rs",
-    "crates/lambda-rs-args",
-    "crates/lambda-rs-logging",
-    "crates/lambda-rs-platform",
-    "tools/obj_loader"
+  "crates/lambda-rs",
+  "crates/lambda-rs-args",
+  "crates/lambda-rs-logging",
+  "crates/lambda-rs-platform",
+  "tools/obj_loader",
 ]
 
 default-members = [
-    "crates/lambda-rs",
-    "crates/lambda-rs-args",
-    "crates/lambda-rs-logging",
-    "crates/lambda-rs-platform",
-    "tools/obj_loader"
+  "crates/lambda-rs",
+  "crates/lambda-rs-args",
+  "crates/lambda-rs-logging",
+  "crates/lambda-rs-platform",
+  "tools/obj_loader",
 ]

Cargo.toml

@@ -24,6 +24,12 @@ wgpu = { version = "=28.0.0", optional = true, features = ["wgsl", "spirv"] }
 pollster = { version = "=0.4.0", optional = true }
 lambda-rs-logging = { path = "../lambda-rs-logging", version = "2023.1.30" }
 
+# Force windows crate to 0.62 to unify wgpu-hal and gpu-allocator dependencies.
+# Both crates support this version range, but Cargo may resolve to different
+# versions without this explicit constraint.
+[target.'cfg(windows)'.dependencies]
+windows = "0.62"
+
 [dev-dependencies]
 mockall = "=0.11.3"