Merge pull request #2869 from ilya-lavrenov:tapi_warps

modules/imgproc/src/imgwarp.cpp

@@ -4188,7 +4188,8 @@ static bool ocl_warpTransform(InputArray _src, OutputArray _dst, InputArray _M0,
     const char * const kernelName = op_type == OCL_OP_AFFINE ? "warpAffine" : "warpPerspective";
 
     int scalarcn = cn == 3 ? 4 : cn;
-    int wdepth = interpolation == INTER_NEAREST ? depth : std::max(CV_32S, depth);
+    bool is32f = !dev.isAMD() && (interpolation == INTER_CUBIC || interpolation == INTER_LINEAR);
+    int wdepth = interpolation == INTER_NEAREST ? depth : std::max(is32f ? CV_32F : CV_32S, depth);
     int sctype = CV_MAKETYPE(wdepth, scalarcn);
 
     ocl::Kernel k;