fix warnings

Author: tomoaki0705

modules/cudev/include/opencv2/cudev/ptr2d/texture.hpp

@@ -250,9 +250,9 @@ namespace cv {  namespace cudev {
         {
         }
 
-        __host__ TextureOff(PtrStepSz<T> src, const int yoff = 0, const int xoff = 0, const bool normalizedCoords = false, const cudaTextureFilterMode filterMode = cudaFilterModePoint,
+        __host__ TextureOff(PtrStepSz<T> src, const int yoff_ = 0, const int xoff_ = 0, const bool normalizedCoords = false, const cudaTextureFilterMode filterMode = cudaFilterModePoint,
             const cudaTextureAddressMode addressMode = cudaAddressModeClamp, const cudaTextureReadMode readMode = cudaReadModeElementType) :
-            TextureOff(src.rows, src.cols, src.data, src.step, yoff, xoff, normalizedCoords, filterMode, addressMode, readMode)
+            TextureOff(src.rows, src.cols, src.data, src.step, yoff_, xoff_, normalizedCoords, filterMode, addressMode, readMode)
         {
         }
 

modules/xfeatures2d/src/cuda/surf.cu

@@ -233,17 +233,21 @@ namespace cv { namespace cuda { namespace device
             __host__ Mask(cudev::TexturePtr<unsigned int> tex_): tex(tex_) {};
             __device__ bool check(int sum_i, int sum_j, int size)
             {
-                if (!useMask) return true;
-                float ratio = (float)size / 9.0f;
-
+                int dx1 = 0;
+                int dy1 = 0;
+                int dx2 = 0;
+                int dy2 = 0;
+                float ratio = 0;
                 float d = 0;
+                float t = 0;
 
-                int dx1 = __float2int_rn(ratio * c_DM[0]);
-                int dy1 = __float2int_rn(ratio * c_DM[1]);
-                int dx2 = __float2int_rn(ratio * c_DM[2]);
-                int dy2 = __float2int_rn(ratio * c_DM[3]);
+                if (!useMask) return true;
+                ratio = (float)size / 9.0f;
+                dx1 = __float2int_rn(ratio * c_DM[0]);
+                dy1 = __float2int_rn(ratio * c_DM[1]);
+                dx2 = __float2int_rn(ratio * c_DM[2]);
+                dy2 = __float2int_rn(ratio * c_DM[3]);
 
-                float t = 0;
                 t += tex(sum_i + dy1, sum_j + dx1);
                 t -= tex(sum_i + dy2, sum_j + dx1);
                 t -= tex(sum_i + dy1, sum_j + dx2);