init: project framework

ze_core_driver_windows.go

@@ -0,0 +1,37 @@
+package gozel
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+var procZeInitDrivers *syscall.Proc
+
+// InitDrivers calls zeInitDrivers from ze_loader.dll.
+// On success pCount contains the number of drivers and phDrivers (if non-nil)
+// is filled with driver handles.
+func InitDrivers(desc *ZeInitDriverTypeDesc) ([]ZeDriverHandle, error) {
+	var count uint32
+	r, _, _ := procZeInitDrivers.Call(
+		uintptr(unsafe.Pointer(&count)),
+		0,
+		uintptr(unsafe.Pointer(desc)),
+	)
+	if ZeResult(r) != ZeResultSuccess {
+		return nil, ZeResult(r)
+	}
+	if count == 0 {
+		return nil, nil
+	}
+
+	handles := make([]ZeDriverHandle, count)
+	r, _, _ = procZeInitDrivers.Call(
+		uintptr(unsafe.Pointer(&count)),
+		uintptr(unsafe.Pointer(&handles[0])),
+		uintptr(unsafe.Pointer(desc)),
+	)
+	if ZeResult(r) != ZeResultSuccess {
+		return nil, ZeResult(r)
+	}
+	return handles, nil
+}