generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Read 4 pixel for aligned data with 1 channel

Browse Source
This commit is contained in:
VBystricky
2014-06-04 23:50:23 +04:00
parent 8a5f2781fc
commit 0c0ebca855
2 changed files with 24 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
modules/core/src/convert.cpp
View File

@@ -1548,10 +1548,12 @@ static bool ocl_LUT(InputArray _src, InputArray _lut, OutputArray _dst)
UMat src = _src.getUMat(), lut = _lut.getUMat();
_dst.create(src.size(), CV_MAKETYPE(ddepth, dcn));
UMat dst = _dst.getUMat();
bool bAligned = (1 == dcn) && (0 == (src.offset % 4)) && (0 == (src.cols % 4));
ocl::Kernel k("LUT", ocl::core::lut_oclsrc,
format("-D dcn=%d -D lcn=%d -D srcT=%s -D dstT=%s", dcn, lcn,
ocl::typeToStr(src.depth()), ocl::memopTypeToStr(ddepth)
format("-D dcn=%d -D lcn=%d -D srcT=%s -D dstT=%s%s", dcn, lcn,
ocl::typeToStr(src.depth()), ocl::memopTypeToStr(ddepth),
bAligned ? " -D USE_ALIGNED" : ""
));
if (k.empty())
return false;
@@ -1560,6 +1562,8 @@ static bool ocl_LUT(InputArray _src, InputArray _lut, OutputArray _dst)
ocl::KernelArg::WriteOnly(dst));
size_t globalSize[2] = { dst.cols, (dst.rows + 3) / 4};
if (bAligned)
globalSize[0] = (dst.cols + 3) / 4;
return k.run(2, globalSize, NULL, false);
}