From ea95d042455157fec7930e6cc1599bc46c920cca Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Tue, 4 Oct 2022 19:29:52 +0200
Subject: [PATCH] Build: integrate OpenPGL into platform files like other
 libraries

To avoid issues with install_deps. If we more generally switch to using
CMake configs then perhaps this code can be deduplicated again or at
least simplified.
---
 build_files/cmake/platform/platform_apple.cmake | 12 ++++++++++++
 build_files/cmake/platform/platform_unix.cmake  | 12 ++++++++++++
 build_files/cmake/platform/platform_win32.cmake | 13 +++++++++++++
 intern/cycles/cmake/external_libs.cmake         |  8 ++------
 4 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/build_files/cmake/platform/platform_apple.cmake b/build_files/cmake/platform/platform_apple.cmake
index 04fa1561f88..9f1824ec827 100644
--- a/build_files/cmake/platform/platform_apple.cmake
+++ b/build_files/cmake/platform/platform_apple.cmake
@@ -429,6 +429,18 @@ if(WITH_HARU)
   endif()
 endif()
 
+if(WITH_CYCLES_PATH_GUIDING)
+  find_package(openpgl QUIET)
+  if(openpgl_FOUND)
+    get_target_property(OPENPGL_LIBRARIES openpgl::openpgl LOCATION)
+    get_target_property(OPENPGL_INCLUDE_DIR openpgl::openpgl INTERFACE_INCLUDE_DIRECTORIES)
+    message(STATUS "Found OpenPGL: ${OPENPGL_LIBRARIES}")
+  else()
+    set(WITH_CYCLES_PATH_GUIDING OFF)
+    message(STATUS "OpenPGL not found, disabling WITH_CYCLES_PATH_GUIDING")
+  endif()
+endif()
+
 set(ZSTD_ROOT_DIR ${LIBDIR}/zstd)
 find_package(Zstd REQUIRED)
 
diff --git a/build_files/cmake/platform/platform_unix.cmake b/build_files/cmake/platform/platform_unix.cmake
index 47410b5f368..35103ec441b 100644
--- a/build_files/cmake/platform/platform_unix.cmake
+++ b/build_files/cmake/platform/platform_unix.cmake
@@ -584,6 +584,18 @@ if(WITH_HARU)
   endif()
 endif()
 
+if(WITH_CYCLES_PATH_GUIDING)
+  find_package_wrapper(openpgl)
+  if(openpgl_FOUND)
+    get_target_property(OPENPGL_LIBRARIES openpgl::openpgl LOCATION)
+    get_target_property(OPENPGL_INCLUDE_DIR openpgl::openpgl INTERFACE_INCLUDE_DIRECTORIES)
+    message(STATUS "Found OpenPGL: ${OPENPGL_LIBRARIES}")
+  else()
+    set(WITH_CYCLES_PATH_GUIDING OFF)
+    message(STATUS "OpenPGL not found, disabling WITH_CYCLES_PATH_GUIDING")
+  endif()
+endif()
+
 if(EXISTS ${LIBDIR})
   without_system_libs_end()
 endif()
diff --git a/build_files/cmake/platform/platform_win32.cmake b/build_files/cmake/platform/platform_win32.cmake
index 866d0bede3d..4778ddebea6 100644
--- a/build_files/cmake/platform/platform_win32.cmake
+++ b/build_files/cmake/platform/platform_win32.cmake
@@ -936,6 +936,19 @@ if(WITH_HARU)
   endif()
 endif()
 
+if(WITH_CYCLES_PATH_GUIDING)
+  find_package(openpgl QUIET)
+  if(openpgl_FOUND)
+    get_target_property(OPENPGL_LIBRARIES_RELEASE openpgl::openpgl LOCATION_RELEASE)
+    get_target_property(OPENPGL_LIBRARIES_DEBUG openpgl::openpgl LOCATION_DEBUG)
+    set(OPENPGL_LIBRARIES optimized ${OPENPGL_LIBRARIES_RELEASE} debug ${OPENPGL_LIBRARIES_DEBUG})
+    get_target_property(OPENPGL_INCLUDE_DIR openpgl::openpgl INTERFACE_INCLUDE_DIRECTORIES)
+  else()
+    set(WITH_CYCLES_PATH_GUIDING OFF)
+    message(STATUS "OpenPGL not found, disabling WITH_CYCLES_PATH_GUIDING")
+  endif()
+endif()
+
 set(ZSTD_INCLUDE_DIRS ${LIBDIR}/zstd/include)
 set(ZSTD_LIBRARIES ${LIBDIR}/zstd/lib/zstd_static.lib)
 
diff --git a/intern/cycles/cmake/external_libs.cmake b/intern/cycles/cmake/external_libs.cmake
index ac508e36965..9335024f2eb 100644
--- a/intern/cycles/cmake/external_libs.cmake
+++ b/intern/cycles/cmake/external_libs.cmake
@@ -104,10 +104,6 @@ if(CYCLES_STANDALONE_REPOSITORY)
   else()
     unset(_cycles_lib_dir)
   endif()
-else()
-  if(EXISTS ${LIBDIR})
-    set(_cycles_lib_dir ${LIBDIR})
-  endif()
 endif()
 
 ###########################################################################
@@ -277,7 +273,7 @@ endif()
 # OpenPGL
 ###########################################################################
 
-if(WITH_CYCLES_PATH_GUIDING)
+if(CYCLES_STANDALONE_REPOSITORY AND WITH_CYCLES_PATH_GUIDING)
   if(EXISTS ${_cycles_lib_dir})
     set(openpgl_DIR ${_cycles_lib_dir}/openpgl/lib/cmake/openpgl)
   endif()
@@ -545,7 +541,7 @@ endif()
 
 if(CYCLES_STANDALONE_REPOSITORY)
   if((WITH_CYCLES_STANDALONE AND WITH_CYCLES_STANDALONE_GUI) OR
-    WITH_CYCLES_HYDRA_RENDER_DELEGATE)
+     WITH_CYCLES_HYDRA_RENDER_DELEGATE)
     if(MSVC AND EXISTS ${_cycles_lib_dir})
       set(Epoxy_LIBRARIES "${_cycles_lib_dir}/epoxy/lib/epoxy.lib")
       set(Epoxy_INCLUDE_DIRS "${_cycles_lib_dir}/epoxy/include")