minor device namespace refactor

modules/core/include/opencv2/core/cuda_devptrs.hpp

@@ -152,6 +152,20 @@ namespace cv
 //#undef __CV_GPU_DEPR_BEFORE__
 //#undef __CV_GPU_DEPR_AFTER__
 
+        namespace device
+        {
+            using cv::gpu::PtrSz;
+            using cv::gpu::PtrStep;
+            using cv::gpu::PtrStepSz;
+
+            using cv::gpu::PtrStepSzb;
+            using cv::gpu::PtrStepSzf;
+            using cv::gpu::PtrStepSzi;
+
+            using cv::gpu::PtrStepb;
+            using cv::gpu::PtrStepf;
+            using cv::gpu::PtrStepi;
+        }
     }
 }
 

modules/gpu/CMakeLists.txt

@@ -22,17 +22,14 @@ source_group("Device"         FILES ${lib_device_hdrs})
 source_group("Device\\Detail" FILES ${lib_device_hdrs_detail})
 
 if (HAVE_CUDA)
-  file(GLOB_RECURSE ncv_srcs "src/nvidia/*.cpp")
-  file(GLOB_RECURSE ncv_cuda "src/nvidia/*.cu")
-  file(GLOB_RECURSE ncv_hdrs "src/nvidia/*.hpp" "src/nvidia/*.h")
-  set(ncv_files ${ncv_srcs} ${ncv_hdrs} ${ncv_cuda})
+  file(GLOB_RECURSE ncv_srcs "src/nvidia/*.cpp" "src/nvidia/*.h*")
+  file(GLOB_RECURSE ncv_cuda "src/nvidia/*.cu")  
+  set(ncv_files ${ncv_srcs} ${ncv_cuda})
 
   source_group("Src\\NVidia" FILES ${ncv_files})
   ocv_include_directories("src/nvidia" "src/nvidia/core" "src/nvidia/NPP_staging" ${CUDA_INCLUDE_DIRS})
   ocv_warnings_disable(CMAKE_CXX_FLAGS -Wundef -Wmissing-declarations /wd4211 /wd4201 /wd4100 /wd4505 /wd4408)
-  string(REPLACE "-Wsign-promo" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-
-  #set (CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-keep")
+  string(REPLACE "-Wsign-promo" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")  
   #set (CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-Xcompiler;/EHsc-;")
 
   if(MSVC)
@@ -47,8 +44,6 @@ if (HAVE_CUDA)
 
   ocv_cuda_compile(cuda_objs ${lib_cuda} ${ncv_cuda})
 
-  #CUDA_BUILD_CLEAN_TARGET()
-
   set(cuda_link_libs ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY})
 
   if(NOT APPLE)

modules/gpu/include/opencv2/gpu/device/common.hpp

@@ -85,8 +85,6 @@ static inline void ___cudaSafeCall(cudaError_t err, const char *file, const int
         cv::gpu::error(cudaGetErrorString(err), file, line, func);
 }
 
-#ifdef __CUDACC__
-
 namespace cv { namespace gpu
 {
     __host__ __device__ __forceinline__ int divUp(int total, int grain)
@@ -96,6 +94,9 @@ namespace cv { namespace gpu
 
     namespace device
     {
+        using cv::gpu::divUp;
+
+#ifdef __CUDACC__
         typedef unsigned char uchar;
         typedef unsigned short ushort;
         typedef signed char schar;
@@ -106,9 +107,10 @@ namespace cv { namespace gpu
             cudaChannelFormatDesc desc = cudaCreateChannelDesc<T>();
             cudaSafeCall( cudaBindTexture2D(0, tex, img.ptr(), &desc, img.cols, img.rows, img.step) );
         }
+#endif // __CUDACC__
     }
 }}
 
-#endif // __CUDACC__
+
 
 #endif // __OPENCV_GPU_COMMON_HPP__