Add help function to find plugins.

- Add variables for installed directories.

Author: bluekyu

CMakeLists.txt

@@ -21,6 +21,10 @@ set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT
 # configure project package
 include(FindPackages)
 
+set(RENDER_PIPELINE_CONFIG_DIR "etc/${PROJECT_NAME}")
+set(RENDER_PIPELINE_DATA_DIR "share/${PROJECT_NAME}")
+set(RENDER_PIPELINE_PLUGIN_DIR "${RENDER_PIPELINE_DATA_DIR}/rpplugins")
+
 # subdirectory
 add_subdirectory("${PROJECT_SOURCE_DIR}/src/rpplugins")
 
@@ -56,7 +60,6 @@ endif()
 target_include_directories(${PROJECT_NAME}
     PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
     $<INSTALL_INTERFACE:include>
-    $<INSTALL_INTERFACE:share>
 
     PRIVATE "${PROJECT_BINARY_DIR}" "${PROJECT_SOURCE_DIR}/src"
     ${FREETYPE_INCLUDE_DIRS} ${YAML_CPP_INCLUDE_DIR}
@@ -84,6 +87,7 @@ set(PACKAGE_VERSION_CONFIG_FILE "${PROJECT_BINARY_DIR}/${PROJECT_NAME}-config-ve
 set(PACKAGE_CONFIG_FILE "${PROJECT_BINARY_DIR}/${PROJECT_NAME}-config.cmake")
 set(TARGET_EXPORT_NAME "${PROJECT_NAME}-targets")
 set(PACKAGE_CMAKE_INSTALL_DIR "lib/${PROJECT_NAME}/cmake")
+file(RELATIVE_PATH PACKAGE_CMAKE_INSTALL_DIR2ROOT_DIR "${CMAKE_INSTALL_PREFIX}/${PACKAGE_CMAKE_INSTALL_DIR}" "${CMAKE_INSTALL_PREFIX}")
 
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(${PACKAGE_VERSION_CONFIG_FILE}
@@ -117,10 +121,10 @@ install(FILES "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${PROJECT_NAME}.pdb"
 )
 
 install(DIRECTORY "${PROJECT_SOURCE_DIR}/${PROJECT_NAME}" DESTINATION "include/")
-install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/config/" DESTINATION "etc/${PROJECT_NAME}/")
-install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/data" DESTINATION "share/${PROJECT_NAME}/")
-install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/effects" DESTINATION "share/${PROJECT_NAME}/")
-install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/rpcore" DESTINATION "share/${PROJECT_NAME}/")
+install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/config/" DESTINATION "${RENDER_PIPELINE_CONFIG_DIR}/")
+install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/data" DESTINATION "${RENDER_PIPELINE_DATA_DIR}/")
+install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/effects" DESTINATION "${RENDER_PIPELINE_DATA_DIR}/")
+install(DIRECTORY "${PROJECT_SOURCE_DIR}/resources/rpcore" DESTINATION "${RENDER_PIPELINE_DATA_DIR}/")
 
 install(FILES ${PACKAGE_CONFIG_FILE} ${PACKAGE_VERSION_CONFIG_FILE} DESTINATION ${PACKAGE_CMAKE_INSTALL_DIR})
 install(EXPORT ${TARGET_EXPORT_NAME} DESTINATION ${PACKAGE_CMAKE_INSTALL_DIR})

cmake/render_pipeline-config.cmake.in

@@ -1,4 +1,24 @@
 @PACKAGE_INIT@
 
 include(${CMAKE_CURRENT_LIST_DIR}/@TARGET_EXPORT_NAME@.cmake)
+
+set(@PACKAGE_NAME@_INSTALL_DIR "${CMAKE_CURRENT_LIST_DIR}/@PACKAGE_CMAKE_INSTALL_DIR2ROOT_DIR@")
+set(@PACKAGE_NAME@_CONFIG_DIR "${@PACKAGE_NAME@_INSTALL_DIR}/@RENDER_PIPELINE_CONFIG_DIR@")
+set(@PACKAGE_NAME@_DATA_DIR "${@PACKAGE_NAME@_INSTALL_DIR}/@RENDER_PIPELINE_DATA_DIR@")
+set(@PACKAGE_NAME@_PLUGIN_DIR "${@PACKAGE_NAME@_INSTALL_DIR}/@RENDER_PIPELINE_PLUGIN_DIR@")
+
+# help function to find plugin
+function(@PACKAGE_NAME@_FIND_PLUGINS plugin_id_list)
+    foreach(plugin_id ${plugin_id_list})
+        if(NOT TARGET rpplugin::${plugin_id})
+            find_package(rpplugin_${plugin_id} REQUIRED HINTS "${@PACKAGE_NAME@_DATA_DIR}/rpplugins/${plugin_id}")
+        endif()
+    endforeach()
+
+    message(STATUS "Found the following Render Pipeline plugins:")
+    foreach(plugin_id ${plugin_id_list})
+        message(STATUS "  ${plugin_id}")
+    endforeach()
+endfunction()
+
 check_required_components(@PACKAGE_NAME@)

src/rpplugins/ao/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/bloom/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/clouds/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/color_correction/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/dof/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/env_probes/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/forward_shading/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")

src/rpplugins/motion_blur/CMakeLists.txt

@@ -9,7 +9,7 @@ project(rpplugin_${RPPLUGIN_ID})
 # === configure ====================================================================================
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)    # Project Grouping
 
-set(RPPLUGIN_INSTALL_DIR "share/render_pipeline/rpplugins/${RPPLUGIN_ID}")
+set(RPPLUGIN_INSTALL_DIR "${RENDER_PIPELINE_PLUGIN_DIR}/${RPPLUGIN_ID}")
 
 set(PROJECT_VERSION_MAJOR "0")
 set(PROJECT_VERSION_MINOR "1")