Add PostTask hook

gen/cheader.tmpl

@@ -195,6 +195,7 @@ struct WGPU{{.Name | PascalCase}}{{$.ExtSuffix}};
 struct WGPU{{.Name | PascalCase}}CallbackInfo{{$.ExtSuffix}};
 {{-   end}}
 {{  end}}
+struct WGPUPostTaskCallbackInfo;
 
 /**
  * \defgroup Enumerations Enumerations
@@ -322,6 +323,14 @@ typedef struct WGPU{{.Name | PascalCase}}CallbackInfo{{$.ExtSuffix}} {
     /*.userdata2=*/NULL _wgpu_COMMA \
 })
 {{  end}}{{"\n" -}}
+typedef struct WGPUPostTaskHookInfo {
+    WGPUPostTaskHook hook;
+    WGPU_NULLABLE void* userdata1;
+    WGPU_NULLABLE void* userdata2;
+}
+
+typedef (*WGPUImplementationTaskFunction)(void* impldata);
+typedef (*WGPUPostTaskHook)(WGPUImplementationTaskFlags flags, WGPUImplementationTaskFunction task, void* impldata, void* userdata1, void* userdata2);
 
 /** @} */
 

gen/gen.go

@@ -120,6 +120,7 @@ func (g *Generator) Gen(dst io.Writer) error {
 					s += "\n\nThis is a \\ref NonNullInputString."
 				case "out_string":
 					s += "\n\nThis is an \\ref OutputString."
+				case "post_task_hook_info":
 				}
 
 				s += "\n\nThe `INIT` macro sets this to " + g.DefaultValue(*member, true /* isDocString */) + "."
@@ -238,6 +239,8 @@ func (g *Generator) CType(typ string, pointerType PointerType, suffix string) st
 		return appendModifiers("WGPUBool", pointerType)
 	case "nullable_string", "string_with_default_empty", "out_string":
 		return "WGPUStringView"
+	case "post_task_hook_info":
+		return "WGPUPostTaskHookInfo"
 	case "uint16":
 		return appendModifiers("uint16_t", pointerType)
 	case "uint32":
@@ -603,6 +606,8 @@ func (g *Generator) DefaultValue(member ParameterType, isDocString bool) string
 		return ref("WGPU_STRING_VIEW_INIT")
 	case member.Type == "c_void":
 		return literal("NULL")
+	case member.Type == "post_task_hook_info":
+		return literal("NULL")
 	default:
 		panic("invalid prefix: " + member.Type + " in member " + member.Name)
 	}

schema.json

@@ -38,6 +38,7 @@
                 "nullable_string",
                 "string_with_default_empty",
                 "out_string",
+                "post_task_hook_info",
                 "uint16",
                 "uint32",
                 "uint64",

webgpu.h

@@ -274,6 +274,7 @@ struct WGPURequestAdapterCallbackInfo;
 struct WGPURequestDeviceCallbackInfo;
 struct WGPUUncapturedErrorCallbackInfo;
 
+struct WGPUPostTaskCallbackInfo;
 
 /**
  * \defgroup Enumerations Enumerations
@@ -1164,6 +1165,14 @@ static const WGPUColorWriteMask WGPUColorWriteMask_Blue = 0x0000000000000004;
 static const WGPUColorWriteMask WGPUColorWriteMask_Alpha = 0x0000000000000008;
 static const WGPUColorWriteMask WGPUColorWriteMask_All = 0x000000000000000F /* Red | Green | Blue | Alpha */;
 
+/**
+ * Flags indicating types of work contained in the task.
+ */
+typedef WGPUFlags WGPUImplementationTaskFlags;
+static const WGPUImplementationTaskFlags WGPUImplementationTaskFlags_None = 0x0000000000000000;
+static const WGPUImplementationTaskFlags WGPUImplementationTaskFlags_CPUWork = 0x0000000000000001;
+static const WGPUImplementationTaskFlags WGPUImplementationTaskFlags_BlockingIO = 0x0000000000000002;
+
 typedef WGPUFlags WGPUMapMode;
 static const WGPUMapMode WGPUMapMode_None = 0x0000000000000000;
 static const WGPUMapMode WGPUMapMode_Read = 0x0000000000000001;
@@ -1508,6 +1517,15 @@ typedef struct WGPUUncapturedErrorCallbackInfo {
     /*.userdata2=*/NULL _wgpu_COMMA \
 })
 
+typedef struct WGPUPostTaskHookInfo {
+    WGPUPostTaskHook hook;
+    WGPU_NULLABLE void* userdata1;
+    WGPU_NULLABLE void* userdata2;
+}
+
+typedef (*WGPUImplementationTaskFunction)(void* impldata);
+typedef (*WGPUPostTaskHook)(WGPUImplementationTaskFlags flags, WGPUImplementationTaskFunction task, void* impldata, void* userdata1, void* userdata2);
+
 /** @} */
 
 /**
@@ -3768,6 +3786,10 @@ typedef struct WGPUInstanceDescriptor {
      * The `INIT` macro sets this to @ref WGPU_INSTANCE_CAPABILITIES_INIT.
      */
     WGPUInstanceCapabilities features;
+    /**
+     * The `INIT` macro sets this to `NULL`.
+     */
+    WGPUPostTaskHookInfo postTaskHook;
 } WGPUInstanceDescriptor WGPU_STRUCTURE_ATTRIBUTE;
 
 /**
@@ -3776,6 +3798,7 @@ typedef struct WGPUInstanceDescriptor {
 #define WGPU_INSTANCE_DESCRIPTOR_INIT _wgpu_MAKE_INIT_STRUCT(WGPUInstanceDescriptor, { \
     /*.nextInChain=*/NULL _wgpu_COMMA \
     /*.features=*/WGPU_INSTANCE_CAPABILITIES_INIT _wgpu_COMMA \
+    /*.postTaskHook=*/NULL _wgpu_COMMA \
 })
 
 /**

webgpu.yml

@@ -1370,6 +1370,16 @@ enums:
         doc: |
           TODO
 bitflags:
+  - name: implementation_task_flags
+    doc:
+      Flags indicating types of work contained in the task.
+    entries:
+      - name: none
+        doc: TODO
+      - name: CPU_work
+        doc: TODO
+      - name: blocking_IO
+        doc: TODO
   - name: buffer_usage
     doc: |
       TODO
@@ -2033,6 +2043,9 @@ structs:
       - name: features
         doc: Instance features to enable
         type: struct.instance_capabilities
+      - name: post_task_hook
+        doc: TODO
+        type: post_task_hook_info
   - name: limits
     doc: |
       TODO