From 0cfac5b0432b619294b3d38fb74e4f7b295ef1cc Mon Sep 17 00:00:00 2001
From: Xavier Hallade <xavier.hallade@intel.com>
Date: Fri, 21 Oct 2022 13:58:16 +0200
Subject: Cycles: oneAPI: migrate from deprecated APIs, require libSYCL 6.0+

sycl::info::device::ext_intel_* descriptors are deprecated,
replaced with sycl::ext::intel::info::device:: that are available from
6.0+, for which we now check version in CMake.
---
 build_files/cmake/Modules/FindSYCL.cmake    | 16 +++++++++++++++-
 intern/cycles/cmake/external_libs.cmake     |  5 ++---
 intern/cycles/device/oneapi/device_impl.cpp | 12 ++++++------
 3 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/build_files/cmake/Modules/FindSYCL.cmake b/build_files/cmake/Modules/FindSYCL.cmake
index 7abf074fb7f..1ccbee179fb 100644
--- a/build_files/cmake/Modules/FindSYCL.cmake
+++ b/build_files/cmake/Modules/FindSYCL.cmake
@@ -88,9 +88,23 @@ FIND_PATH(SYCL_INCLUDE_DIR
     include
 )
 
+IF(EXISTS "${SYCL_INCLUDE_DIR}/sycl/version.hpp")
+  FILE(STRINGS "${SYCL_INCLUDE_DIR}/sycl/version.hpp" _libsycl_major_version REGEX "^#define __LIBSYCL_MAJOR_VERSION[ \t].*$")
+  STRING(REGEX MATCHALL "[0-9]+" _libsycl_major_version ${_libsycl_major_version})
+  FILE(STRINGS "${SYCL_INCLUDE_DIR}/sycl/version.hpp" _libsycl_minor_version REGEX "^#define __LIBSYCL_MINOR_VERSION[ \t].*$")
+  STRING(REGEX MATCHALL "[0-9]+" _libsycl_minor_version ${_libsycl_minor_version})
+  FILE(STRINGS "${SYCL_INCLUDE_DIR}/sycl/version.hpp" _libsycl_patch_version REGEX "^#define __LIBSYCL_PATCH_VERSION[ \t].*$")
+  STRING(REGEX MATCHALL "[0-9]+" _libsycl_patch_version ${_libsycl_patch_version})
+
+  SET(SYCL_VERSION "${_libsycl_major_version}.${_libsycl_minor_version}.${_libsycl_patch_version}")
+ENDIF()
+
 INCLUDE(FindPackageHandleStandardArgs)
 
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SYCL DEFAULT_MSG SYCL_LIBRARY SYCL_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SYCL
+  REQUIRED_VARS SYCL_LIBRARY SYCL_INCLUDE_DIR
+  VERSION_VAR SYCL_VERSION
+)
 
 IF(SYCL_FOUND)
   SET(SYCL_INCLUDE_DIR ${SYCL_INCLUDE_DIR} ${SYCL_INCLUDE_DIR}/sycl)
diff --git a/intern/cycles/cmake/external_libs.cmake b/intern/cycles/cmake/external_libs.cmake
index 9524cda54f5..65a38625e0a 100644
--- a/intern/cycles/cmake/external_libs.cmake
+++ b/intern/cycles/cmake/external_libs.cmake
@@ -663,8 +663,7 @@ if(WITH_CYCLES_DEVICE_ONEAPI)
   find_package(SYCL)
   find_package(LevelZero)
 
-  if(SYCL_FOUND AND LEVEL_ZERO_FOUND)
-    message(STATUS "Found oneAPI: ${SYCL_LIBRARY}")
+  if(SYCL_FOUND AND SYCL_VERSION VERSION_GREATER_EQUAL 6.0 AND LEVEL_ZERO_FOUND)
     message(STATUS "Found Level Zero: ${LEVEL_ZERO_LIBRARY}")
 
     if(WITH_CYCLES_ONEAPI_BINARIES)
@@ -681,7 +680,7 @@ if(WITH_CYCLES_DEVICE_ONEAPI)
       endif()
     endif()
   else()
-    message(STATUS "oneAPI or Level Zero not found, disabling WITH_CYCLES_DEVICE_ONEAPI")
+    message(STATUS "SYCL 6.0+ or Level Zero not found, disabling WITH_CYCLES_DEVICE_ONEAPI")
     set(WITH_CYCLES_DEVICE_ONEAPI OFF)
   endif()
 endif()
diff --git a/intern/cycles/device/oneapi/device_impl.cpp b/intern/cycles/device/oneapi/device_impl.cpp
index 4e7849e6b9a..3588b75713b 100644
--- a/intern/cycles/device/oneapi/device_impl.cpp
+++ b/intern/cycles/device/oneapi/device_impl.cpp
@@ -698,11 +698,11 @@ std::vector<sycl::device> OneapiDevice::available_devices()
           int number_of_eus = 96;
           int threads_per_eu = 7;
           if (device.has(sycl::aspect::ext_intel_gpu_eu_count)) {
-            number_of_eus = device.get_info<sycl::info::device::ext_intel_gpu_eu_count>();
+            number_of_eus = device.get_info<sycl::ext::intel::info::device::gpu_eu_count>();
           }
           if (device.has(sycl::aspect::ext_intel_gpu_hw_threads_per_eu)) {
             threads_per_eu =
-                device.get_info<sycl::info::device::ext_intel_gpu_hw_threads_per_eu>();
+                device.get_info<sycl::ext::intel::info::device::gpu_hw_threads_per_eu>();
           }
           /* This filters out all Level-Zero supported GPUs from older generation than Arc. */
           if (number_of_eus <= 96 && threads_per_eu == 7) {
@@ -818,7 +818,7 @@ void OneapiDevice::iterate_devices(OneAPIDeviceIteratorCallback cb, void *user_p
     std::string name = device.get_info<sycl::info::device::name>();
     std::string id = "ONEAPI_" + platform_name + "_" + name;
     if (device.has(sycl::aspect::ext_intel_pci_address)) {
-      id.append("_" + device.get_info<sycl::info::device::ext_intel_pci_address>());
+      id.append("_" + device.get_info<sycl::ext::intel::info::device::pci_address>());
     }
     (cb)(id.c_str(), name.c_str(), num, user_ptr);
     num++;
@@ -836,7 +836,7 @@ int OneapiDevice::get_num_multiprocessors()
 {
   const sycl::device &device = reinterpret_cast<sycl::queue *>(device_queue_)->get_device();
   if (device.has(sycl::aspect::ext_intel_gpu_eu_count)) {
-    return device.get_info<sycl::info::device::ext_intel_gpu_eu_count>();
+    return device.get_info<sycl::ext::intel::info::device::gpu_eu_count>();
   }
   else
     return 0;
@@ -847,8 +847,8 @@ int OneapiDevice::get_max_num_threads_per_multiprocessor()
   const sycl::device &device = reinterpret_cast<sycl::queue *>(device_queue_)->get_device();
   if (device.has(sycl::aspect::ext_intel_gpu_eu_simd_width) &&
       device.has(sycl::aspect::ext_intel_gpu_hw_threads_per_eu)) {
-    return device.get_info<sycl::info::device::ext_intel_gpu_eu_simd_width>() *
-           device.get_info<sycl::info::device::ext_intel_gpu_hw_threads_per_eu>();
+    return device.get_info<sycl::ext::intel::info::device::gpu_eu_simd_width>() *
+           device.get_info<sycl::ext::intel::info::device::gpu_hw_threads_per_eu>();
   }
   else
     return 0;
-- 
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