OpenCV.mk fixed for accurate CUDA support.

cmake/OpenCVGenAndroidMK.cmake

@@ -19,6 +19,10 @@ if(ANDROID)
     set(OPENCV_STATIC_LIBTYPE_CONFIGMAKE ${OPENCV_LIBTYPE_CONFIGMAKE})
   endif()
 
+  if (HAVE_opencv_gpu)
+    set(OPENCV_PREBUILT_GPU_MODULE_CONFIGMAKE "on")
+  endif()
+
   # setup lists of camera libs
   foreach(abi ARMEABI ARMEABI_V7A X86 MIPS)
     ANDROID_GET_ABI_RAWNAME(${abi} ndkabi)
@@ -48,7 +52,7 @@ if(ANDROID)
   set(OPENCV_3RDPARTY_COMPONENTS_CONFIGMAKE "")
   foreach(m ${OPENCV_MODULES_PUBLIC})
     list(INSERT OPENCV_MODULES_CONFIGMAKE 0 ${${m}_MODULE_DEPS_${ocv_optkind}} ${m})
-    if(${m}_EXTRA_DEPS_${ocv_optkind})
+    if(${m}_EXTRA_DEPS_${ocv_optkind} AND NOT ${m}_EXTRA_DEPS_${ocv_optkind} MATCHES "libcu.+$")
       list(INSERT OPENCV_EXTRA_COMPONENTS_CONFIGMAKE 0 ${${m}_EXTRA_DEPS_${ocv_optkind}})
     endif()
   endforeach()

cmake/templates/OpenCV.mk.in

@@ -13,6 +13,19 @@ OPENCV_BASEDIR:=@OPENCV_BASE_INCLUDE_DIR_CONFIGCMAKE@
 OPENCV_LOCAL_C_INCLUDES:=@OPENCV_INCLUDE_DIRS_CONFIGCMAKE@
 OPENCV_MODULES:=@OPENCV_MODULES_CONFIGMAKE@
 
+OPENCV_PREBUILT_GPU_MODULE:=@OPENCV_PREBUILT_GPU_MODULE_CONFIGMAKE@
+OPENCV_USE_GPU_MODULE:=
+
+ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
+    ifeq ($(OPENCV_PREBUILT_GPU_MODULE),on)
+        ifneq ($(CUDA_TOOLKIT_DIR),)
+            OPENCV_USE_GPU_MODULE:=on
+        endif
+    endif
+endif
+
+CUDA_RUNTIME_LIBS:=cufft npps nppi nppc cudart
+
 ifeq ($(OPENCV_LIB_TYPE),)
     OPENCV_LIB_TYPE:=@OPENCV_LIBTYPE_CONFIGMAKE@
 endif
@@ -108,6 +121,13 @@ ifeq ($(OPENCV_MK_$(OPENCV_TARGET_ARCH_ABI)_ALREADY_INCLUDED),)
     OPENCV_MK_$(OPENCV_TARGET_ARCH_ABI)_ALREADY_INCLUDED:=on
 endif
 
+ifeq ($(OPENCV_USE_GPU_MODULE),on)
+    include $(CLEAR_VARS)
+    LOCAL_MODULE:=opencv_gpu
+    LOCAL_SRC_FILES:=$(OPENCV_LIBS_DIR)/libopencv_gpu.a
+    include $(PREBUILT_STATIC_LIBRARY)
+endif
+
 ifeq ($(OPENCV_LOCAL_CFLAGS),)
     OPENCV_LOCAL_CFLAGS := -fPIC -DANDROID -fsigned-char
 endif
@@ -116,6 +136,10 @@ include $(CLEAR_VARS)
 LOCAL_C_INCLUDES += $(OPENCV_LOCAL_C_INCLUDES)
 LOCAL_CFLAGS     += $(OPENCV_LOCAL_CFLAGS)
 
+ifeq ($(OPENCV_USE_GPU_MODULE),on)
+    LOCAL_C_INCLUDES += $(CUDA_TOOLKIT_DIR)/include
+endif
+
 ifeq ($(OPENCV_INSTALL_MODULES),on)
     LOCAL_$(OPENCV_LIB_TYPE)_LIBRARIES += $(foreach mod, $(OPENCV_LIBS), opencv_$(mod))
 else
@@ -128,5 +152,10 @@ endif
 
 LOCAL_LDLIBS += $(foreach lib,$(OPENCV_EXTRA_COMPONENTS), -l$(lib))
 
+ifeq ($(OPENCV_USE_GPU_MODULE),on)
+    LOCAL_STATIC_LIBRARIES+=libopencv_gpu
+    LOCAL_LDLIBS += -L$(CUDA_TOOLKIT_DIR)/lib $(foreach lib, $(CUDA_RUNTIME_LIBS), -l$(lib))
+endif
+
 #restore the LOCAL_PATH
 LOCAL_PATH:=$(USER_LOCAL_PATH)