Initial commit.

Framework/external/embree/tutorials/common/device_default.h

@@ -0,0 +1,53 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#if defined(EMBREE_SYCL_SUPPORT)
+// If we use the internal clang frontend of the dpc++ compiler directly __INTEL_LLVM_COMPILER is not set.
+// I think doing this is fine because normal clang can not compile dpcpp/sycl code anyway.
+#if defined(__WIN32__) and defined(__clang__) and !defined(__INTEL_LLVM_COMPILER)
+  #define __INTEL_LLVM_COMPILER
+#endif
+#endif
+
+#if defined(EMBREE_SYCL_TUTORIAL)
+#  define __SYCL_USE_NON_VARIADIC_SPIRV_OCL_PRINTF__
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#  pragma clang diagnostic ignored "-W#pragma-messages"
+#  include <sycl/sycl.hpp>
+#  pragma clang diagnostic pop
+#else
+#  if !defined(SYCL_EXTERNAL)
+#    define SYCL_EXTERNAL
+#  endif
+#endif
+
+/* include embree API */
+#include "../../include/embree4/rtcore.h"
+RTC_NAMESPACE_USE
+#include "../../kernels/config.h"
+
+namespace embree
+{
+#if defined(EMBREE_SYCL_TUTORIAL) && defined(EMBREE_SYCL_SUPPORT)
+  
+  extern sycl::queue   *global_gpu_queue;
+  extern sycl::context *global_gpu_context;
+  extern sycl::device  *global_gpu_device;
+ 
+  /* returns function pointer to be usable in SYCL kernel */
+  template<auto F>
+    inline decltype(F) getFunctionPointer() {
+    return rtcGetSYCLDeviceFunctionPointer<F>(*global_gpu_queue);
+  }
+#define GET_FUNCTION_POINTER(f) getFunctionPointer<f>()
+
+#else
+  
+#define GET_FUNCTION_POINTER(f) f
+
+#endif
+
+}