From f676bfb3d74efec62cdc845bb50f58aafeaab6d5 Mon Sep 17 00:00:00 2001
From: Vladislav Vinogradov <vlad.vinogradov@itseez.com>
Date: Thu, 15 Jan 2015 19:33:27 +0300
Subject: [PATCH] fix GpuMat::setTo method in case if mask is empty:

it might be called from _OutputArray::setTo
---
 modules/core/src/cuda/gpu_mat.cu | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/core/src/cuda/gpu_mat.cu b/modules/core/src/cuda/gpu_mat.cu
index 71b1b52198..f21c5f4c19 100644
--- a/modules/core/src/cuda/gpu_mat.cu
+++ b/modules/core/src/cuda/gpu_mat.cu
@@ -390,6 +390,11 @@ GpuMat& cv::cuda::GpuMat::setTo(Scalar value, InputArray _mask, Stream& stream)
 
     GpuMat mask = _mask.getGpuMat();
 
+    if (mask.empty())
+    {
+        return setTo(value, stream);
+    }
+
     CV_DbgAssert( size() == mask.size() && mask.type() == CV_8UC1 );
 
     typedef void (*func_t)(const GpuMat& mat, const GpuMat& mask, Scalar scalar, Stream& stream);