From 55b8fc718a378423cd4b6d93258779e201877b1d Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Tue, 5 Oct 2021 13:08:44 +0200
Subject: Cycles: improve detection of HIP compiler for buildbot

And fix various broken things in the HIP kernel compilation.
---
 intern/cycles/kernel/CMakeLists.txt | 39 ++++++++++++++-----------------------
 1 file changed, 15 insertions(+), 24 deletions(-)

(limited to 'intern/cycles/kernel/CMakeLists.txt')

diff --git a/intern/cycles/kernel/CMakeLists.txt b/intern/cycles/kernel/CMakeLists.txt
index 7b56216e887..514b7f8263c 100644
--- a/intern/cycles/kernel/CMakeLists.txt
+++ b/intern/cycles/kernel/CMakeLists.txt
@@ -472,20 +472,10 @@ endif()
 
 # HIP module
 
-if(WITH_CYCLES_HIP_BINARIES)
+if(WITH_CYCLES_HIP_BINARIES AND WITH_CYCLES_DEVICE_HIP)
   # 64 bit only
   set(HIP_BITS 64)
 
-  # HIP version
-  execute_process(COMMAND ${HIP_HIPCC_EXECUTABLE} "--version" OUTPUT_VARIABLE HIPCC_OUT)
-  string(REGEX REPLACE ".*release ([0-9]+)\\.([0-9]+).*" "\\1" HIP_VERSION_MAJOR "${HIPCC_OUT}")
-  string(REGEX REPLACE ".*release ([0-9]+)\\.([0-9]+).*" "\\2" HIP_VERSION_MINOR "${HIPCC_OUT}")
-  set(HIP_VERSION "${HIP_VERSION_MAJOR}${HIP_VERSION_MINOR}")
-
-
-  message(WARNING
-    "HIP version ${HIP_VERSION_MAJOR}.${HIP_VERSION_MINOR} detected")
-
   # build for each arch
   set(hip_sources device/hip/kernel.cpp
     ${SRC_HEADERS}
@@ -542,23 +532,24 @@ if(WITH_CYCLES_HIP_BINARIES)
         -D WITH_NANOVDB
         -I "${NANOVDB_INCLUDE_DIR}")
     endif()
+
+    add_custom_command(
+      OUTPUT ${hip_file}
+      COMMAND ${HIP_HIPCC_EXECUTABLE}
+          -arch=${arch}
+          ${HIP_HIPCC_FLAGS}
+          --${format}
+          ${CMAKE_CURRENT_SOURCE_DIR}${hip_kernel_src}
+          ${hip_flags}
+      DEPENDS ${kernel_sources})
+    delayed_install("${CMAKE_CURRENT_BINARY_DIR}" "${hip_file}" ${CYCLES_INSTALL_PATH}/lib)
+    list(APPEND hip_fatbins ${hip_file})
   endmacro()
 
   set(prev_arch "none")
   foreach(arch ${CYCLES_HIP_BINARIES_ARCH})
-      set(hip_hipcc_executable ${HIP_HIPCC_EXECUTABLE})
-      set(hip_toolkit_root_dir ${HIP_TOOLKIT_ROOT_DIR})
-    if(DEFINED hip_hipcc_executable AND DEFINED hip_toolkit_root_dir)
-      # Compile regular kernel
-      CYCLES_HIP_KERNEL_ADD(${arch} ${prev_arch} kernel "" "${hip_sources}" FALSE)
-
-      if(WITH_CYCLES_HIP_BUILD_SERIAL)
-        set(prev_arch ${arch})
-      endif()
-
-      unset(hip_hipcc_executable)
-      unset(hip_toolkit_root_dir)
-    endif()
+    # Compile regular kernel
+    CYCLES_HIP_KERNEL_ADD(${arch} ${prev_arch} kernel "" "${hip_sources}" FALSE)
   endforeach()
 
   add_custom_target(cycles_kernel_hip ALL DEPENDS ${hip_fatbins})
-- 
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