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implemented OpenCL version of cv::convertScaleAbs

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This commit is contained in:
Ilya Lavrenov 2013-12-29 18:01:01 +04:00
parent 4a6c2ce378
commit abcf8d9e61
3 changed files with 61 additions and 5 deletions
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39
modules/core/src/convert.cpp
View File

@ -1266,10 +1266,49 @@ static BinaryFunc getConvertScaleFunc(int sdepth, int ddepth)
return cvtScaleTab[CV_MAT_DEPTH(ddepth)][CV_MAT_DEPTH(sdepth)];
}
static bool ocl_convertScaleAbs( InputArray _src, OutputArray _dst, double alpha, double beta )
{
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0;
if (!doubleSupport && depth == CV_64F)
return false;
char cvt[2][50];
int wdepth = std::max(depth, CV_32F);
ocl::Kernel k("KF", ocl::core::arithm_oclsrc,
format("-D OP_CONVERT_SCALE_ABS -D UNARY_OP -D dstT=uchar -D srcT1=%s"
" -D workT=%s -D convertToWT1=%s -D convertToDT=%s%s",
ocl::typeToStr(depth), ocl::typeToStr(wdepth),
ocl::convertTypeStr(depth, wdepth, 1, cvt[0]),
ocl::convertTypeStr(wdepth, CV_8U, 1, cvt[1]),
doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
if (k.empty())
return false;
_dst.createSameSize(_src, CV_8UC(cn));
UMat src = _src.getUMat(), dst = _dst.getUMat();
ocl::KernelArg srcarg = ocl::KernelArg::ReadOnlyNoSize(src),
dstarg = ocl::KernelArg::WriteOnly(dst, cn);
if (wdepth == CV_32F)
k.args(srcarg, dstarg, (float)alpha, (float)beta);
else if (wdepth == CV_64F)
k.args(srcarg, dstarg, alpha, beta);
size_t globalsize[2] = { src.cols * cn, src.rows };
return k.run(2, globalsize, NULL, false);
}
}
void cv::convertScaleAbs( InputArray _src, OutputArray _dst, double alpha, double beta )
{
if (ocl::useOpenCL() && _src.dims() <= 2 && _dst.isUMat() &&
ocl_convertScaleAbs(_src, _dst, alpha, beta))
return;
Mat src = _src.getMat();
int cn = src.channels();
double scale[] = {alpha, beta};

9
modules/core/src/opencl/arithm.cl
View File

@ -223,13 +223,12 @@ dstelem = v > (dstT)(0) ? log(v) : log(-v)
#define convertToWT2
#define PROCESS_ELEM dstelem = convert_uchar(srcelem1 CMP_OPERATOR srcelem2 ? 255 : 0)
#elif defined OP_CONVERT
#define PROCESS_ELEM dstelem = convertToDT(srcelem1)
#elif defined OP_CONVERT_SCALE
#elif defined OP_CONVERT_SCALE_ABS
#undef EXTRA_PARAMS
#define EXTRA_PARAMS , workT alpha, workT beta
#define PROCESS_ELEM dstelem = convertToDT(srcelem1*alpha + beta)
#define PROCESS_ELEM \
workT value = srcelem1 * alpha + beta; \
dstelem = convertToDT(value >= 0 ? value : -value)
#elif defined OP_CTP_AD || defined OP_CTP_AR
#ifdef OP_CTP_AD

18
modules/core/test/ocl/test_arithm.cpp
View File

@ -1324,6 +1324,23 @@ OCL_TEST_P(InRange, Scalar)
}
//////////////////////////////// ConvertScaleAbs ////////////////////////////////////////////////
typedef ArithmTestBase ConvertScaleAbs;
OCL_TEST_P(ConvertScaleAbs, Mat)
{
for (int j = 0; j < test_loop_times; j++)
{
generateTestData();
OCL_OFF(cv::convertScaleAbs(src1_roi, dst1_roi, val[0], val[1]));
OCL_ON(cv::convertScaleAbs(usrc1_roi, udst1_roi, val[0], val[1]));
Near(depth <= CV_32S ? 1 : 1e-6);
}
}
//////////////////////////////////////// Instantiation /////////////////////////////////////////
OCL_INSTANTIATE_TEST_CASE_P(Arithm, Lut, Combine(::testing::Values(CV_8U, CV_8S), OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool(), Bool()));
@ -1360,6 +1377,7 @@ OCL_INSTANTIATE_TEST_CASE_P(Arithm, Norm, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNE
OCL_INSTANTIATE_TEST_CASE_P(Arithm, Sqrt, Combine(::testing::Values(CV_32F, CV_64F), OCL_ALL_CHANNELS, Bool()));
OCL_INSTANTIATE_TEST_CASE_P(Arithm, Normalize, Combine(OCL_ALL_DEPTHS, Values(Channels(1)), Bool()));
OCL_INSTANTIATE_TEST_CASE_P(Arithm, InRange, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool(), Bool()));
OCL_INSTANTIATE_TEST_CASE_P(Arithm, ConvertScaleAbs, Combine(OCL_ALL_DEPTHS, OCL_ALL_CHANNELS, Bool()));
} } // namespace cvtest::ocl