added gpu::buildWarpPlaneMaps and gpu::buildWarpCylindricalMaps functions, integrated into stitching

modules/stitching/blenders.hpp

@@ -108,7 +108,11 @@ void normalize(const cv::Mat& weight, cv::Mat& src);
 void createWeightMap(const cv::Mat& mask, float sharpness, cv::Mat& weight);
 
 void createLaplacePyr(const cv::Mat &img, int num_levels, std::vector<cv::Mat>& pyr);
+
+// TODO Use it after gpu::pyrDown and gpu::pyrUp are updated
+#if 0
 void createLaplacePyrGpu(const cv::Mat &img, int num_levels, std::vector<cv::Mat>& pyr);
+#endif
 
 // Restores source image in-place (result will be stored in pyr[0])
 void restoreImageFromLaplacePyr(std::vector<cv::Mat>& pyr);