1 files changed, 18 insertions, 0 deletions
diff --git a/intern/cycles/CMakeLists.txt b/intern/cycles/CMakeLists.txt
index 8adb032ad9e..f619e6b104e 100644
--- a/intern/cycles/CMakeLists.txt
+++ b/intern/cycles/CMakeLists.txt
@@ -347,6 +347,24 @@ if(WITH_OPENCOLORIO)
   )
 endif()
 
+if(WITH_CYCLES_PATH_GUIDING)
+  add_definitions(-DWITH_PATH_GUIDING)
+
+  # The level of the guiding integration.
+  # Different levels can be selected to measure the overhead of different stages.
+  # 1 = recording the path segments
+  # 2 = 1 + generating (not storing) sample data from the segments
+  # 3 = 2 + storing the generates sample data
+  # 4 = 3 + training the guiding fields
+  # 5 = 4 + querying the trained guiding for sampling (full path guiding)
+  add_definitions(-DPATH_GUIDING_LEVEL=5)
+
+  include_directories(
+    SYSTEM
+    ${OPENPGL_INCLUDE_DIR}
+  )
+endif()
+
 # NaN debugging
 if(WITH_CYCLES_DEBUG_NAN)
   add_definitions(-DWITH_CYCLES_DEBUG_NAN)