add an ocl sample

samples/CMakeLists.txt

@@ -6,6 +6,7 @@
 add_subdirectory(c)
 add_subdirectory(cpp)
 add_subdirectory(gpu)
+add_subdirectory(ocl)
 
 if(ANDROID AND BUILD_ANDROID_EXAMPLES)
   add_subdirectory(android)

samples/ocl/CMakeLists.txt

+SET(OPENCV_OCL_SAMPLES_REQUIRED_DEPS opencv_core opencv_flann opencv_imgproc opencv_highgui
+                                     opencv_ml opencv_video opencv_objdetect opencv_features2d
+                                     opencv_calib3d opencv_legacy opencv_contrib opencv_ocl
+                                     opencv_nonfree)
+
+ocv_check_dependencies(${OPENCV_OCL_SAMPLES_REQUIRED_DEPS})
+
+if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
+  set(project "ocl")
+  string(TOUPPER "${project}" project_upper)
+    
+  project("${project}_samples")
+
+  ocv_include_modules(${OPENCV_OCL_SAMPLES_REQUIRED_DEPS})
+
+  if(HAVE_OPENCL)
+    ocv_include_directories(${OPENCL_INCLUDE_DIR})
+  endif()
+
+  if(CMAKE_COMPILER_IS_GNUCXX AND NOT ENABLE_NOISY_WARNINGS)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
+  endif()
+
+  # ---------------------------------------------
+  #      Define executable targets
+  # ---------------------------------------------
+  MACRO(OPENCV_DEFINE_OCL_EXAMPLE name srcs)
+    set(the_target "example_${project}_${name}")
+    add_executable(${the_target} ${srcs})
+
+    target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${OPENCV_OCL_SAMPLES_REQUIRED_DEPS})
+
+    set_target_properties(${the_target} PROPERTIES
+      OUTPUT_NAME "${name}_${project}"                                       
+      PROJECT_LABEL "(EXAMPLE_${project_upper}) ${name}")
+        
+    if(ENABLE_SOLUTION_FOLDERS)
+      set_target_properties(${the_target} PROPERTIES FOLDER "samples//${project}")
+    endif()
+
+    if(WIN32)
+      if(MSVC AND NOT BUILD_SHARED_LIBS)
+        set_target_properties(${the_target} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:atlsd.lib /DEBUG")
+      endif()
+      install(TARGETS ${the_target} RUNTIME DESTINATION "samples/${project}" COMPONENT main)
+    endif()
+  ENDMACRO()
+
+  file(GLOB all_samples RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp)
+
+  foreach(sample_filename ${all_samples})
+    get_filename_component(sample ${sample_filename} NAME_WE)
+    file(GLOB sample_srcs RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${sample}.*)
+    OPENCV_DEFINE_OCL_EXAMPLE(${sample} ${sample_srcs})
+  endforeach()
+endif()
+
+if (NOT WIN32)
+  file(GLOB install_list *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
+  install(FILES ${install_list}
+          DESTINATION share/opencv/samples/${project}
+          PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
+endif()
+