minor ocl.cpp refactoring

fix for cv::LUT and cv::transpose
2014-02-01 15:07:03 +04:00
parent 75dde49b64
commit da5b316b4e
6 changed files with 272 additions and 248 deletions
--- a/modules/core/src/convert.cpp
+++ b/modules/core/src/convert.cpp
@@ -1505,6 +1505,9 @@ static bool ocl_LUT(InputArray _src, InputArray _lut, OutputArray _dst)
                  format("-D dcn=%d -D lcn=%d -D srcT=%s -D dstT=%s%s", dcn, lcn,
                         ocl::typeToStr(src.depth()), ocl::typeToStr(ddepth),
                         doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
+    if (k.empty())
+        return false;
+
    k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::ReadOnlyNoSize(lut),
           ocl::KernelArg::WriteOnly(dst));