codegen: Handle a few more cases, populate some mps structs

Author: tmc

generate/codegen/gen_function.go

@@ -177,6 +177,8 @@ func (f *Function) WriteGoCallCode(currentModule *modules.Module, cw *CodeWriter
 			sb.WriteString(cw.IndentStr + fmt.Sprintf("  (*C.%s)(unsafe.Pointer(&%s))", tt.CName(), p.GoName()))
 		case *typing.IDType:
 			sb.WriteString(cw.IndentStr + fmt.Sprintf("  %s.Ptr()", p.GoName()))
+		case *typing.ClassType, *typing.ProtocolType:
+			sb.WriteString(cw.IndentStr + fmt.Sprintf("  unsafe.Pointer(&%s)", p.GoName()))
 		default:
 			sb.WriteString(cw.IndentStr + p.GoName())
 		}

macos/mps/functions.gen.go

@@ -49,7 +49,7 @@ func StateBatchResourceSize(batch *foundation.Array) uint {
 func HintTemporaryMemoryHighWaterMark(cmdBuf metal.CommandBufferWrapper, bytes uint) {
 	C.HintTemporaryMemoryHighWaterMark(
 		// *typing.ProtocolType
-		cmdBuf,
+		unsafe.Pointer(&cmdBuf),
 		// *typing.PrimitiveType
 		C.uint(bytes),
 	)
@@ -73,7 +73,7 @@ func ImageBatchResourceSize(batch *foundation.Array) uint {
 func SetHeapCacheDuration(cmdBuf metal.CommandBufferWrapper, seconds float64) {
 	C.SetHeapCacheDuration(
 		// *typing.ProtocolType
-		cmdBuf,
+		unsafe.Pointer(&cmdBuf),
 		// *typing.PrimitiveType
 		C.double(seconds),
 	)
@@ -101,7 +101,7 @@ func StateBatchSynchronize(batch *foundation.Array, cmdBuf metal.CommandBufferWr
 		// *typing.PointerType
 		(*C.MPSStateBatch)(unsafe.Pointer(&batch)),
 		// *typing.ProtocolType
-		cmdBuf,
+		unsafe.Pointer(&cmdBuf),
 	)
 }
 
@@ -180,10 +180,10 @@ func GetCustomKernelBroadcastSourceIndex(c CustomKernelArgumentCount, sourceInde
 func GetImageType(image Image) ImageType {
 	rv := C.GetImageType(
 		// *typing.ClassType
-		image,
+		unsafe.Pointer(&image),
 	)
 	// *typing.AliasType
-	return ImageType(rv)
+	return *(*ImageType)(unsafe.Pointer(&rv))
 }
 
 // Returns the integer division parameters for a specified divisor. [Full Topic]
@@ -222,7 +222,7 @@ func ImageBatchSynchronize(batch *foundation.Array, cmdBuf metal.CommandBufferWr
 		// *typing.PointerType
 		(*C.MPSImageBatch)(unsafe.Pointer(&batch)),
 		// *typing.ProtocolType
-		cmdBuf,
+		unsafe.Pointer(&cmdBuf),
 	)
 }
 
@@ -232,7 +232,7 @@ func ImageBatchSynchronize(batch *foundation.Array, cmdBuf metal.CommandBufferWr
 func SupportsMTLDevice(device metal.DeviceWrapper) bool {
 	rv := C.SupportsMTLDevice(
 		// *typing.ProtocolType
-		device,
+		unsafe.Pointer(&device),
 	)
 	// *typing.PrimitiveType
 	return bool(rv)

macos/mps/mps_structs.go

@@ -31,3 +31,18 @@ type ImageCoordinate struct{}
 
 // https://developer.apple.com/documentation/metalperformanceshaders/mpsndarrayoffsets?language=objc
 type NDArrayOffsets struct{}
+
+// https://developer.apple.com/documentation/metalperformanceshaders/mpscustomkernelargumentcount?language=objc
+type CustomKernelArgumentCount struct {
+	broadcastTextureCount   uint64
+	destinationTextureCount uint64
+	sourceTextureCount      uint64
+}
+
+// https://developer.apple.com/documentation/metalperformanceshaders/mpsintegerdivisionparams?language=objc
+type IntegerDivisionParams struct {
+	addend  uint16
+	divisor uint16
+	recip   uint16
+	shift   uint16
+}