1 files changed, 57 insertions, 0 deletions
diff --git a/intern/cycles/kernel/device/oneapi/kernel.h b/intern/cycles/kernel/device/oneapi/kernel.h
new file mode 100644
index 00000000000..c5f853742ed
--- /dev/null
+++ b/intern/cycles/kernel/device/oneapi/kernel.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2021-2022 Intel Corporation */
+
+#pragma once
+
+#ifdef WITH_ONEAPI
+
+#  include <stddef.h>
+
+/* NOTE(@nsirgien): Should match underlying type in the declaration inside "kernel/types.h"
+ * TODO: use kernel/types.h directly. */
+enum DeviceKernel : int;
+
+#  ifndef CYCLES_KERNEL_ONEAPI_EXPORT
+#    ifdef _WIN32
+#      if defined(ONEAPI_EXPORT)
+#        define CYCLES_KERNEL_ONEAPI_EXPORT extern __declspec(dllexport)
+#      else
+#        define CYCLES_KERNEL_ONEAPI_EXPORT extern __declspec(dllimport)
+#      endif
+#    else
+#      define CYCLES_KERNEL_ONEAPI_EXPORT
+#    endif
+#  endif
+
+class SyclQueue;
+
+typedef void (*OneAPIDeviceIteratorCallback)(const char *id,
+                                             const char *name,
+                                             int num,
+                                             void *user_ptr);
+
+typedef void (*OneAPIErrorCallback)(const char *error, void *user_ptr);
+
+struct KernelContext {
+  /* Queue, associated with selected device */
+  SyclQueue *queue;
+  /* Pointer to USM device memory with all global/constant allocation on this device */
+  void *kernel_globals;
+};
+
+/* Use extern C linking so that the symbols can be easily load from the dynamic library at runtime.
+ */
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
+#  define DLL_INTERFACE_CALL(function, return_type, ...) \
+    CYCLES_KERNEL_ONEAPI_EXPORT return_type function(__VA_ARGS__);
+#  include "kernel/device/oneapi/dll_interface_template.h"
+#  undef DLL_INTERFACE_CALL
+
+#  ifdef __cplusplus
+}
+#  endif
+
+#endif /* WITH_ONEAPI */