1 files changed, 100 insertions, 0 deletions
diff --git a/intern/cycles/device/oneapi/device_impl.h b/intern/cycles/device/oneapi/device_impl.h
new file mode 100644
index 00000000000..f925687ebe9
--- /dev/null
+++ b/intern/cycles/device/oneapi/device_impl.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2021-2022 Intel Corporation */
+
+#ifdef WITH_ONEAPI
+
+#  include "device/device.h"
+#  include "device/oneapi/device.h"
+#  include "device/oneapi/queue.h"
+
+#  include "util/map.h"
+
+CCL_NAMESPACE_BEGIN
+
+class DeviceQueue;
+
+class OneapiDevice : public Device {
+ private:
+  SyclQueue *device_queue_;
+
+  using ConstMemMap = map<string, device_vector<uchar> *>;
+  ConstMemMap const_mem_map_;
+  device_vector<TextureInfo> texture_info_;
+  bool need_texture_info_;
+  void *kg_memory_;
+  void *kg_memory_device_;
+  size_t kg_memory_size_ = (size_t)0;
+  OneAPIDLLInterface oneapi_dll_;
+  std::string oneapi_error_string_;
+
+ public:
+  virtual BVHLayoutMask get_bvh_layout_mask() const override;
+
+  OneapiDevice(const DeviceInfo &info,
+               OneAPIDLLInterface &oneapi_dll_object,
+               Stats &stats,
+               Profiler &profiler);
+
+  virtual ~OneapiDevice();
+
+  bool check_peer_access(Device *peer_device) override;
+
+  bool load_kernels(const uint requested_features) override;
+
+  void load_texture_info();
+
+  void generic_alloc(device_memory &mem);
+
+  void generic_copy_to(device_memory &mem);
+
+  void generic_free(device_memory &mem);
+
+  SyclQueue *sycl_queue();
+
+  string oneapi_error_message();
+
+  OneAPIDLLInterface oneapi_dll_object();
+
+  void *kernel_globals_device_pointer();
+
+  void mem_alloc(device_memory &mem) override;
+
+  void mem_copy_to(device_memory &mem) override;
+
+  void mem_copy_from(device_memory &mem, size_t y, size_t w, size_t h, size_t elem) override;
+
+  void mem_copy_from(device_memory &mem)
+  {
+    mem_copy_from(mem, 0, 0, 0, 0);
+  }
+
+  void mem_zero(device_memory &mem) override;
+
+  void mem_free(device_memory &mem) override;
+
+  device_ptr mem_alloc_sub_ptr(device_memory &mem, size_t offset, size_t /*size*/) override;
+
+  virtual void const_copy_to(const char *name, void *host, size_t size) override;
+
+  void global_alloc(device_memory &mem);
+
+  void global_free(device_memory &mem);
+
+  void tex_alloc(device_texture &mem);
+
+  void tex_free(device_texture &mem);
+
+  /* Graphics resources interoperability. */
+  virtual bool should_use_graphics_interop() override;
+
+  virtual unique_ptr<DeviceQueue> gpu_queue_create() override;
+
+  /* NOTE(@nsirgien): Create this methods to avoid some compilation problems on Windows with host
+   * side compilation (MSVC). */
+  void *usm_aligned_alloc_host(size_t memory_size, size_t alignment);
+  void usm_free(void *usm_ptr);
+};
+
+CCL_NAMESPACE_END
+
+#endif