Define depthWriteEnabled as WGPUOptionalBool

gen/cheader.tmpl

@@ -91,6 +91,7 @@
 {{- if eq .Name "webgpu"}}
 typedef uint32_t WGPUFlags;
 typedef uint32_t WGPUBool;
+typedef uint32_t WGPUOptionalBool;
 {{  end}}
 {{- range .Typedefs}}
 {{-   MComment .Doc 0}}

gen/gen.go

@@ -51,15 +51,15 @@ func (g *Generator) Gen(dst io.Writer) error {
 			"ArrayType": func(typ string, pointer PointerType) string {
 				matches := arrayTypeRegexp.FindStringSubmatch(typ)
 				if len(matches) == 2 {
-					return g.CType(matches[1], pointer, "")
+					return g.CType(matches[1], false, pointer, "")
 				}
 				return ""
 			},
 			"Singularize": Singularize,
 			"IsLast":      func(i int, s any) bool { return i == reflect.ValueOf(s).Len()-1 },
 			"FunctionReturns": func(f Function) string {
 				if f.Returns != nil {
-					return g.CType(f.Returns.Type, f.Returns.Pointer, "")
+					return g.CType(f.Returns.Type, false, f.Returns.Pointer, "")
 				}
 				return "void"
 			},
@@ -109,7 +109,7 @@ func (g *Generator) CValue(s string) (string, error) {
 	}
 }
 
-func (g *Generator) CType(typ string, pointerType PointerType, suffix string) string {
+func (g *Generator) CType(typ string, optional bool, pointerType PointerType, suffix string) string {
 	appendModifiers := func(s string, pointerType PointerType) string {
 		var sb strings.Builder
 		sb.WriteString(s)
@@ -123,6 +123,9 @@ func (g *Generator) CType(typ string, pointerType PointerType, suffix string) st
 	}
 	switch typ {
 	case "bool":
+		if optional {
+			return appendModifiers("WGPUOptionalBool", pointerType)
+		}
 		return appendModifiers("WGPUBool", pointerType)
 	case "string":
 		return appendModifiers("char", PointerTypeImmutable)
@@ -186,7 +189,7 @@ func (g *Generator) FunctionArgs(f Function, o *Object) string {
 		}
 	}
 	for i, arg := range f.Args {
-		if arg.Optional {
+		if arg.Optional && arg.Type != "bool" {
 			sb.WriteString("WGPU_NULLABLE ")
 		}
 		var typeSuffix string
@@ -198,9 +201,9 @@ func (g *Generator) FunctionArgs(f Function, o *Object) string {
 		matches := arrayTypeRegexp.FindStringSubmatch(arg.Type)
 		if len(matches) == 2 {
 			fmt.Fprintf(sb, "size_t %sCount, ", CamelCase(Singularize(arg.Name)))
-			fmt.Fprintf(sb, "%s %s", g.CType(matches[1], arg.Pointer, typeSuffix), CamelCase(arg.Name))
+			fmt.Fprintf(sb, "%s %s", g.CType(matches[1], arg.Optional, arg.Pointer, typeSuffix), CamelCase(arg.Name))
 		} else {
-			fmt.Fprintf(sb, "%s %s", g.CType(arg.Type, arg.Pointer, typeSuffix), CamelCase(arg.Name))
+			fmt.Fprintf(sb, "%s %s", g.CType(arg.Type, arg.Optional, arg.Pointer, typeSuffix), CamelCase(arg.Name))
 		}
 		if i != len(f.Args)-1 {
 			sb.WriteString(", ")
@@ -221,7 +224,7 @@ func (g *Generator) FunctionArgs(f Function, o *Object) string {
 func (g *Generator) CallbackArgs(f Function) string {
 	sb := &strings.Builder{}
 	for _, arg := range f.ReturnsAsync {
-		if arg.Optional {
+		if arg.Optional && arg.Type != "bool" {
 			sb.WriteString("WGPU_NULLABLE ")
 		}
 		var typeSuffix string
@@ -237,9 +240,9 @@ func (g *Generator) CallbackArgs(f Function) string {
 		matches := arrayTypeRegexp.FindStringSubmatch(arg.Type)
 		if len(matches) == 2 {
 			fmt.Fprintf(sb, "size_t %sCount, ", CamelCase(Singularize(arg.Name)))
-			fmt.Fprintf(sb, "%s%s %s, ", structPrefix, g.CType(matches[1], arg.Pointer, typeSuffix), CamelCase(arg.Name))
+			fmt.Fprintf(sb, "%s%s %s, ", structPrefix, g.CType(matches[1], arg.Optional, arg.Pointer, typeSuffix), CamelCase(arg.Name))
 		} else {
-			fmt.Fprintf(sb, "%s%s %s, ", structPrefix, g.CType(arg.Type, arg.Pointer, typeSuffix), CamelCase(arg.Name))
+			fmt.Fprintf(sb, "%s%s %s, ", structPrefix, g.CType(arg.Type, arg.Optional, arg.Pointer, typeSuffix), CamelCase(arg.Name))
 		}
 	}
 	sb.WriteString("WGPU_NULLABLE void * userdata")
@@ -310,7 +313,7 @@ func (g *Generator) BitflagValue(b Bitflag, entryIndex int) (string, error) {
 func (g *Generator) StructMember(s Struct, memberIndex int) (string, error) {
 	member := s.Members[memberIndex]
 	sb := &strings.Builder{}
-	if member.Optional {
+	if member.Optional && member.Type != "bool" {
 		sb.WriteString("WGPU_NULLABLE ")
 	}
 	var typeSuffix string
@@ -322,9 +325,9 @@ func (g *Generator) StructMember(s Struct, memberIndex int) (string, error) {
 	matches := arrayTypeRegexp.FindStringSubmatch(member.Type)
 	if len(matches) == 2 {
 		fmt.Fprintf(sb, "size_t %sCount;\n", CamelCase(Singularize(member.Name)))
-		fmt.Fprintf(sb, "    %s %s;", g.CType(matches[1], member.Pointer, typeSuffix), CamelCase(member.Name))
+		fmt.Fprintf(sb, "    %s %s;", g.CType(matches[1], member.Optional, member.Pointer, typeSuffix), CamelCase(member.Name))
 	} else {
-		fmt.Fprintf(sb, "%s %s;", g.CType(member.Type, member.Pointer, typeSuffix), CamelCase(member.Name))
+		fmt.Fprintf(sb, "%s %s;", g.CType(member.Type, member.Optional, member.Pointer, typeSuffix), CamelCase(member.Name))
 	}
 	return sb.String(), nil
 }

webgpu.h

@@ -83,6 +83,7 @@
  */
 typedef uint32_t WGPUFlags;
 typedef uint32_t WGPUBool;
+typedef uint32_t WGPUOptionalBool;
 
 
 /** @} */
@@ -1244,7 +1245,7 @@ typedef struct WGPUComputePassDescriptor {
 typedef struct WGPUDepthStencilState {
     WGPUChainedStruct const * nextInChain;
     WGPUTextureFormat format;
-    WGPUBool depthWriteEnabled;
+    WGPUOptionalBool depthWriteEnabled;
     WGPUCompareFunction depthCompare;
     WGPUStencilFaceState stencilFront;
     WGPUStencilFaceState stencilBack;

webgpu.yml

@@ -1760,6 +1760,7 @@ structs:
         doc: |
           TODO
         type: bool
+        optional: true
       - name: depth_compare
         doc: |
           TODO