$NetBSD: patch-visualization_CMakeLists.txt,v 1.1 2021/05/07 11:36:29 thor Exp $

Support VTK 9, from PR 4262

--- visualization/CMakeLists.txt.orig	2020-08-14 12:23:03.000000000 +0000
+++ visualization/CMakeLists.txt
@@ -63,6 +63,14 @@ if(VTK_RENDERING_BACKEND_OPENGL_VERSION
   )
 endif()
 
+if(NOT (${VTK_VERSION} VERSION_LESS 9.0))
+  if(NOT (";${VTK_AVAILABLE_COMPONENTS};" MATCHES ";RenderingContextOpenGL2;"))
+    list(REMOVE_ITEM srcs
+      src/pcl_painter2D.cpp
+    )
+  endif()  
+endif()
+
 set(incs
   "include/pcl/${SUBSYS_NAME}/eigen.h"
   "include/pcl/${SUBSYS_NAME}/boost.h"
@@ -85,6 +93,7 @@ set(incs
   "include/pcl/${SUBSYS_NAME}/vtk.h"
   "include/pcl/${SUBSYS_NAME}/simple_buffer_visualizer.h"
   "include/pcl/${SUBSYS_NAME}/pcl_plotter.h"
+  "include/pcl/${SUBSYS_NAME}/qvtk_compatibility.h"
 )
 
 set(common_incs
@@ -116,6 +125,7 @@ set(vtk_incs
   "include/pcl/${SUBSYS_NAME}/vtk/pcl_image_canvas_source_2d.h"
   "include/pcl/${SUBSYS_NAME}/vtk/pcl_context_item.h"
   "include/pcl/${SUBSYS_NAME}/vtk/vtkRenderWindowInteractorFix.h"
+  "include/pcl/${SUBSYS_NAME}/vtk/pcl_vtk_compatibility.h"
 )
 
 if(VTK_RENDERING_BACKEND_OPENGL_VERSION VERSION_LESS 2)
@@ -125,6 +135,15 @@ if(VTK_RENDERING_BACKEND_OPENGL_VERSION
   )
 endif()
 
+if(NOT (${VTK_VERSION} VERSION_LESS 9.0))
+  if(NOT (";${VTK_AVAILABLE_COMPONENTS};" MATCHES ";RenderingContextOpenGL2;"))
+    
+    list(REMOVE_ITEM incs
+      "include/pcl/${SUBSYS_NAME}/pcl_painter2D.h"
+    )
+  endif()
+endif()
+
 # on apple, a workaround is used for the cocoa render window interactor
 if(APPLE)
   list(APPEND srcs
@@ -134,14 +153,43 @@ endif()
 set(LIB_NAME "pcl_${SUBSYS_NAME}")
 PCL_ADD_LIBRARY(${LIB_NAME} COMPONENT ${SUBSYS_NAME} SOURCES ${srcs} ${incs} ${common_incs} ${impl_incs} ${common_impl_incs} ${vtk_incs})
 
-target_include_directories("${LIB_NAME}" SYSTEM PUBLIC ${VTK_INCLUDE_DIRS})
-
 # apple workaround (continued)
 if(APPLE)
   target_link_libraries("${LIB_NAME}" "-framework Cocoa")
 endif()
 
-target_link_libraries("${LIB_NAME}" pcl_common pcl_io pcl_kdtree ${VTK_LIBRARIES} ${OPENGL_LIBRARIES})
+target_link_libraries("${LIB_NAME}" pcl_common pcl_io pcl_kdtree ${OPENGL_LIBRARIES})
+
+if(${VTK_VERSION} VERSION_LESS 9.0)
+  target_include_directories("${LIB_NAME}" SYSTEM PUBLIC ${VTK_INCLUDE_DIRS})
+  target_link_libraries("${LIB_NAME}" ${VTK_LIBRARIES})
+else()
+  #Some libs are referenced through depending on IO
+  target_link_libraries("${LIB_NAME}"
+                        VTK::ChartsCore
+                        VTK::CommonColor
+                        VTK::CommonDataModel
+                        VTK::FiltersExtraction
+                        VTK::FiltersGeometry
+                        VTK::FiltersGeneral
+                        VTK::FiltersModeling
+                        VTK::FiltersSources
+                        VTK::IOImage
+                        VTK::IOPLY
+                        VTK::ImagingSources
+                        VTK::InteractionImage
+                        VTK::InteractionStyle
+                        VTK::RenderingAnnotation
+                        VTK::RenderingContext2D
+                        VTK::RenderingFreeType
+                        VTK::RenderingLOD
+                        VTK::RenderingOpenGL2
+                        VTK::ViewsContext2D)
+                        
+  if(";${VTK_AVAILABLE_COMPONENTS};" MATCHES ";RenderingContextOpenGL2;")
+    target_link_libraries("${LIB_NAME}" VTK::RenderingContextOpenGL2)
+  endif()
+endif()
 
 set(EXT_DEPS "")
 if(WITH_OPENNI)
@@ -162,6 +210,7 @@ endif()
 if(WITH_RSSDK)
   list(APPEND EXT_DEPS rssdk)
 endif()
+
 PCL_MAKE_PKGCONFIG(${LIB_NAME} COMPONENT ${SUBSYS_NAME} DESC ${SUBSYS_DESC} PCL_DEPS ${SUBSYS_DEPS} EXT_DEPS ${EXT_DEPS})
 
 # Install include files
@@ -171,6 +220,13 @@ PCL_ADD_INCLUDES("${SUBSYS_NAME}" "${SUB
 PCL_ADD_INCLUDES("${SUBSYS_NAME}" "${SUBSYS_NAME}/common/impl" ${common_impl_incs})
 PCL_ADD_INCLUDES("${SUBSYS_NAME}" "${SUBSYS_NAME}/vtk" ${vtk_incs})
 
+#TODO: Update when CMAKE 3.10 is available
+if(NOT (${VTK_VERSION} VERSION_LESS 9.0))
+  vtk_module_autoinit(TARGETS "${LIB_NAME}" 
+                      MODULES VTK::RenderingOpenGL2
+                              VTK::RenderingFreeType)
+endif()
+
 if(BUILD_TESTS)
   add_subdirectory(test)
 endif()