created build infrastructure for NPP linking in CMake.

CMakeLists.txt

@@ -299,6 +299,10 @@ set(WITH_TBB OFF CACHE BOOL "Include TBB support")
 set(WITH_EIGEN2 ON CACHE BOOL "Include Eigen2 support")
 set(WITH_CUDA OFF CACHE BOOL "Include NVidia Cuda Runtime support")
 
+if (WITH_CUDA)
+	set(WITH_NPP OFF CACHE BOOL "Include Nvidia NPP support")
+endif()
+
 if(WIN32)
         set(WITH_VIDEOINPUT ON CACHE BOOL "Enable VideoInput support")
 endif()
@@ -673,6 +677,73 @@ if (WITH_CUDA)
 	endif()
 endif()
 
+
+############################### NPP ################################
+
+if (WITH_NPP)
+	set(NPP_PATH "" CACHE PATH "Path to NPP folder")
+	if (NOT ${NPP_PATH} STREQUAL "")
+		set(NPP_DEFAULT_INCLUDE_DIRS ${NPP_PATH})
+		set(NPP_DEFAULT_INCLUDE_DIRS ${NPP_DEFAULT_INCLUDE_DIRS}common/npp/include/)
+
+		#message(STATUS "NPP DEFAULT INCLUDE DIRS: ${NPP_DEFAULT_INCLUDE_DIRS}")
+		find_path(NPP_INCLUDE_DIR "npp.h" PATHS NPP_DEFAULT_INCLUDE_DIRS DOC "The path to NPP headers")
+		#message(STATUS "npp: ${NPP_INCLUDE_DIR}")
+
+		if (NPP_INCLUDE_DIR)
+
+			#message(STATUS "PROC: ${CMAKE_SYSTEM_PROCESSOR}")
+
+			set(X86_64 0)
+			set(X86 0)
+
+	                if(${CMAKE_SYSTEM_PROCESSOR} MATCHES amd64*)
+        	            set(X86_64 1)
+                	elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES x86_64*)
+        	            set(X86_64 1)
+                	elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES i686*)
+        	            set(X86 1)
+                	elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES i386*)
+        	            set(X86 1)
+                	elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES x86*)
+                	    set(X86 1)
+	                endif()
+
+			message (STATUS "x86 : ${X86}")
+			message (STATUS "x64 : ${X86_64}")
+
+			if (UNIX AND X86)
+				set(NPP_LIB npp32)
+			elseif(UNIX AND X86_64)
+				set(NPP_LIB npp64)
+			elseif(WIN32 AND x86)
+				set(NPP_LIB npp-mt)
+			elseif(WIN32 AND X86_64)
+				set(NPP_LIB npp-mt-x64)
+			elseif(APPLE AND x86)
+				set(NPP_LIB npp32.dynlib)
+			elseif(APPLE AND x86_64)		
+				set(NPP_LIB npp64.dynlib)
+			endif()
+			
+			set(NPP_LIB_DIR "${NPP_INCLUDE_DIR}/../../lib" CACHE PATH "Full path of NPP library directory")
+			
+			link_directories("${NPP_LIB_DIR}")
+		else()
+			message(STATUS "Could NOT find npp.h")
+		endif()
+
+		if(NOT "${NPP_INCLUDE_DIR}" STREQUAL "")
+			include_directories("${NPP_INCLUDE_DIR}")
+			set(HAVE_NPP 1)
+		endif()
+	endif()
+endif()
+
+
+
+
+
 ############################### VideoInput ################################
 
 if (WIN32 AND WITH_VIDEOINPUT)

modules/gpu/CMakeLists.txt

@@ -99,7 +99,7 @@ set_target_properties(${the_target} PROPERTIES
 	)
 
 # Add the required libraries for linking:
-target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${IPP_LIBS} ${DEPS} ${CUDA_LIBRARIES})
+target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${IPP_LIBS} ${DEPS} ${CUDA_LIBRARIES} ${NPP_LIB})
 
 if(MSVC)
 	if(CMAKE_CROSSCOMPILING)