Fix wgpu subproject initialization on Windows

.gitignore

@@ -22,5 +22,8 @@ docs.json
 __dummy.html
 docs/
 
+# Intermediate Artifacts
+wgpu_bindings.i
+
 # Code coverage
 *.lst

Makefile

@@ -5,8 +5,12 @@ endif
 ifeq ($(findstring sh.exe,$(SHELL)),sh.exe)
   UNIX := true
 endif
-# Else, assume a unix system
-UNIX ?= true
+ifeq ($(OS),Windows_NT)
+  UNIX ?= false
+else
+  # Assume a unix system
+  UNIX ?= true
+endif
 ifeq ($(OS),Darwin)
   CC := clang
   SED := gsed

source/wgpu/api.d

@@ -287,8 +287,6 @@ alias RenderPassDescriptor = WGPURenderPassDescriptor;
 /// See_Also: <a href="https://docs.rs/wgpu/0.10.2/wgpu/struct.RenderPipelineDescriptor.html">wgpu::RenderPipelineDescriptor</a>
 alias RenderPipelineDescriptor = WGPURenderPipelineDescriptor;
 
-//static assert(false, std.traits.fullyQualifiedName!WGPUAdapterType);
-
 // Structures
 
 /// Describes the multi-sampling state of a render pipeline.

subprojects/wgpu.Makefile

@@ -1,14 +1,21 @@
 # See https://github.com/gfx-rs/wgpu-native/tree/v0.19.1.1
 VERSION := v0.19.1.1
 OS ?= $(shell uname -s)
-ifeq ($(findstring cmd.exe,$(SHELL)),cmd.exe)
-  UNIX := false
-endif
 ifeq ($(findstring sh.exe,$(SHELL)),sh.exe)
   UNIX := true
 endif
-# Else, assume a unix system
-UNIX ?= true
+ifeq ($(OS),Windows_NT)
+  UNIX ?= false
+else
+  # Assume a unix system
+  UNIX ?= true
+endif
+
+ifeq ($(OS),Windows_NT)
+  ifndef UNIX
+    $(error Unsupported build envinronment. Use Developer PowerShell for Visual Studio)
+  endif
+endif
 
 # Detect current system's CPU architecture
 ifeq ($(OS),Windows_NT)
@@ -52,13 +59,13 @@ CONFIG ?= debug
 BINARY_ARCHIVE := https://github.com/gfx-rs/wgpu-native/releases/download/$(VERSION)/wgpu-$(RELEASE)-$(ARCH)-$(CONFIG).zip
 $(info Using $(CONFIG) wgpu-native $(VERSION) from: $(BINARY_ARCHIVE))
 ifeq ($(OS),Windows_NT)
-ifeq ($(UNIX),true)
-  ARCHIVE_DIR := $(shell echo $(USERPROFILE)/AppData/Local/WebGPU)
-  ARCHIVE_ZIP := $(shell echo $(USERPROFILE)/AppData/Local/WebGPU/wgpu.zip)
-else
-  ARCHIVE_DIR := $(shell echo %USERPROFILE%/AppData/Local/WebGPU)
-  ARCHIVE_ZIP := $(shell echo %USERPROFILE%/AppData/Local/WebGPU/wgpu.zip)
-endif
+  ifeq ($(UNIX),true)
+    ARCHIVE_DIR := $(shell echo $(USERPROFILE)/AppData/Local/WebGPU)
+    ARCHIVE_ZIP := $(shell echo $(USERPROFILE)/AppData/Local/WebGPU/wgpu.zip)
+  else
+    ARCHIVE_DIR := $(shell echo %USERPROFILE%/AppData/Local/WebGPU)
+    ARCHIVE_ZIP := $(shell echo %USERPROFILE%/AppData/Local/WebGPU/wgpu.zip)
+  endif
 else
   ARCHIVE_ZIP := /tmp/wgpu.zip
 endif
@@ -76,10 +83,10 @@ endif
 
 wgpu/$(LIB_WGPU): $(ARCHIVE_ZIP)
 	@echo Unzipping WebGPU Native binaries...
-ifeq ($(UNIX),true)
-	@mkdir -p wgpu
-	@unzip -q -o $(ARCHIVE_ZIP) -d wgpu
-else
+ifeq ($(OS),Windows_NT)
 	@if not exist wgpu mkdir wgpu
 	@tar -xf $(ARCHIVE_ZIP) -C wgpu
+else
+	@mkdir -p wgpu
+	@unzip -q -o $(ARCHIVE_ZIP) -d wgpu
 endif