Merge pull request #406 from mshabunin:fix-vs2015

Author: alalek

modules/dnn/3rdparty/protobuf/CMakeLists.txt

@@ -97,6 +97,7 @@ configure_file("cmake/config.h.in" "config.h")
 if(MSVC)
   add_definitions( -D_CRT_SECURE_NO_WARNINGS=1 )
   ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4244 /wd4267 /wd4018 /wd4355 /wd4800 /wd4251 /wd4996 /wd4146 /wd4305 /wd4127 /wd4100 /wd4512 /wd4125 /wd4389 /wd4510 /wd4610 /wd4702)
+  ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4456) # VS 2015
 else()
   ocv_warnings_disable(CMAKE_CXX_FLAGS -Wno-deprecated -Wmissing-prototypes -Wmissing-declarations -Wshadow -Wunused-parameter -Wunused-local-typedefs -Wsign-compare -Wsign-promo -Wundef)
 endif()
@@ -179,4 +180,4 @@ endif()
 
 if(NOT BUILD_SHARED_LIBS)
   ocv_install_target(libprotobuf EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
-endif()
+endif()

modules/optflow/src/motempl.cpp

@@ -62,7 +62,7 @@ static bool ocl_updateMotionHistory( InputArray _silhouette, InputOutputArray _m
     k.args(ocl::KernelArg::ReadOnlyNoSize(silh), ocl::KernelArg::ReadWrite(mhi),
            timestamp, delbound);
 
-    size_t globalsize[2] = { silh.cols, silh.rows };
+    size_t globalsize[2] = { (size_t)silh.cols, (size_t)silh.rows };
     return k.run(2, globalsize, NULL, false);
 }
 

modules/xfeatures2d/src/surf.ocl.cpp

@@ -204,7 +204,7 @@ bool SURF_OCL::setUpRight(UMat &keypoints)
     if( nFeatures == 0 )
         return true;
 
-    size_t globalThreads[3] = {nFeatures, 1};
+    size_t globalThreads[3] = {(size_t)nFeatures, 1};
     ocl::Kernel kerUpRight("SURF_setUpRight", ocl::xfeatures2d::surf_oclsrc, kerOpts);
     return kerUpRight.args(ocl::KernelArg::ReadWrite(keypoints)).run(2, globalThreads, 0, true);
 }
@@ -260,7 +260,7 @@ bool SURF_OCL::computeDescriptors(const UMat &keypoints, OutputArray _descriptor
     if(!kerCalcDesc.run(2, globalThreads, localThreads, true))
         return false;
 
-    size_t localThreads_n[] = {dsize, 1};
+    size_t localThreads_n[] = {(size_t)dsize, 1};
     size_t globalThreads_n[] = {nFeatures*localThreads_n[0], localThreads_n[1]};
 
     globalThreads[0] = nFeatures * localThreads[0];