Merge pull request #12494 from DEEPIR:3.4

modules/core/include/opencv2/core/cuda/detail/transform_detail.hpp

@@ -223,11 +223,7 @@ namespace cv { namespace cuda { namespace device
                 if (x_shifted + ft::smart_shift - 1 < src_.cols)
                 {
                     const read_type src_n_el = ((const read_type*)src)[x];
-                    write_type dst_n_el = ((const write_type*)dst)[x];
-
-                    OpUnroller<ft::smart_shift>::unroll(src_n_el, dst_n_el, mask, op, x_shifted, y);
-
-                    ((write_type*)dst)[x] = dst_n_el;
+                    OpUnroller<ft::smart_shift>::unroll(src_n_el, ((write_type*)dst)[x], mask, op, x_shifted, y);
                 }
                 else
                 {
@@ -275,11 +271,8 @@ namespace cv { namespace cuda { namespace device
                 {
                     const read_type1 src1_n_el = ((const read_type1*)src1)[x];
                     const read_type2 src2_n_el = ((const read_type2*)src2)[x];
-                    write_type dst_n_el = ((const write_type*)dst)[x];
-
-                    OpUnroller<ft::smart_shift>::unroll(src1_n_el, src2_n_el, dst_n_el, mask, op, x_shifted, y);
 
-                    ((write_type*)dst)[x] = dst_n_el;
+                    OpUnroller<ft::smart_shift>::unroll(src1_n_el, src2_n_el, ((write_type*)dst)[x], mask, op, x_shifted, y);
                 }
                 else
                 {

modules/cudev/include/opencv2/cudev/grid/detail/transform.hpp

@@ -199,11 +199,8 @@ namespace grid_transform_detail
             if (x_shifted + SHIFT - 1 < cols)
             {
                 const read_type src_n_el = ((const read_type*)src)[x];
-                write_type dst_n_el = ((const write_type*)dst)[x];
 
-                OpUnroller<SHIFT>::unroll(src_n_el, dst_n_el, op, mask, x_shifted, y);
-
-                ((write_type*)dst)[x] = dst_n_el;
+                OpUnroller<SHIFT>::unroll(src_n_el, ((write_type*)dst)[x], op, mask, x_shifted, y);
             }
             else
             {
@@ -237,11 +234,8 @@ namespace grid_transform_detail
             {
                 const read_type1 src1_n_el = ((const read_type1*)src1)[x];
                 const read_type2 src2_n_el = ((const read_type2*)src2)[x];
-                write_type dst_n_el = ((const write_type*)dst)[x];
-
-                OpUnroller<SHIFT>::unroll(src1_n_el, src2_n_el, dst_n_el, op, mask, x_shifted, y);
 
-                ((write_type*)dst)[x] = dst_n_el;
+                OpUnroller<SHIFT>::unroll(src1_n_el, src2_n_el, ((write_type*)dst)[x], op, mask, x_shifted, y);
             }
             else
             {