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optimized cv::inRange

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This commit is contained in:
Ilya Lavrenov 2014-06-21 19:17:03 +04:00
parent 6952b90ed0
commit e89cee35e5
2 changed files with 53 additions and 21 deletions
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17
modules/core/src/arithm.cpp
View File

@ -3130,9 +3130,16 @@ static bool ocl_inRange( InputArray _src, InputArray _lowerb,
(!haveScalar && (sdepth != ldepth || sdepth != udepth)) )
return false;
ocl::Kernel ker("inrange", ocl::core::inrange_oclsrc,
format("%s-D cn=%d -D T=%s%s", haveScalar ? "-D HAVE_SCALAR " : "",
cn, ocl::typeToStr(sdepth), doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
int kercn = haveScalar ? cn : std::max(std::min(ocl::predictOptimalVectorWidth(_src, _lowerb, _upperb, _dst), 4), cn);
if (kercn % cn != 0)
kercn = cn;
int colsPerWI = kercn / cn;
String opts = format("%s-D cn=%d -D srcT=%s -D srcT1=%s -D dstT=%s -D kercn=%d -D depth=%d%s -D colsPerWI=%d",
haveScalar ? "-D HAVE_SCALAR " : "", cn, ocl::typeToStr(CV_MAKE_TYPE(sdepth, kercn)),
ocl::typeToStr(sdepth), ocl::typeToStr(CV_8UC(colsPerWI)), kercn, sdepth,
doubleSupport ? " -D DOUBLE_SUPPORT" : "", colsPerWI);
ocl::Kernel ker("inrange", ocl::core::inrange_oclsrc, opts);
if (ker.empty())
return false;
@ -3180,7 +3187,7 @@ static bool ocl_inRange( InputArray _src, InputArray _lowerb,
}
ocl::KernelArg srcarg = ocl::KernelArg::ReadOnlyNoSize(src),
dstarg = ocl::KernelArg::WriteOnly(dst);
dstarg = ocl::KernelArg::WriteOnly(dst, 1, colsPerWI);
if (haveScalar)
{
@ -3194,7 +3201,7 @@ static bool ocl_inRange( InputArray _src, InputArray _lowerb,
ker.args(srcarg, dstarg, ocl::KernelArg::ReadOnlyNoSize(lscalaru),
ocl::KernelArg::ReadOnlyNoSize(uscalaru), rowsPerWI);
size_t globalsize[2] = { ssize.width, (ssize.height + rowsPerWI - 1) / rowsPerWI };
size_t globalsize[2] = { ssize.width / colsPerWI, (ssize.height + rowsPerWI - 1) / rowsPerWI };
return ker.run(2, globalsize, NULL, false);
}

57
modules/core/src/opencl/inrange.cl
View File

@ -52,7 +52,7 @@
__kernel void inrange(__global const uchar * src1ptr, int src1_step, int src1_offset,
__global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols,
#ifdef HAVE_SCALAR
__global const T * src2, __global const T * src3,
__global const srcT1 * src2, __global const srcT1 * src3,
#else
__global const uchar * src2ptr, int src2_step, int src2_offset,
__global const uchar * src3ptr, int src3_step, int src3_offset,
@ -64,31 +64,56 @@ __kernel void inrange(__global const uchar * src1ptr, int src1_step, int src1_of
if (x < dst_cols)
{
int src1_index = mad24(y0, src1_step, mad24(x, (int)sizeof(T) * cn, src1_offset));
int dst_index = mad24(y0, dst_step, x + dst_offset);
int src1_index = mad24(y0, src1_step, mad24(x, (int)sizeof(srcT1) * kercn, src1_offset));
int dst_index = mad24(y0, dst_step, mad24(x, colsPerWI, dst_offset));
#ifndef HAVE_SCALAR
int src2_index = mad24(y0, src2_step, mad24(x, (int)sizeof(T) * cn, src2_offset));
int src3_index = mad24(y0, src3_step, mad24(x, (int)sizeof(T) * cn, src3_offset));
int src2_index = mad24(y0, src2_step, mad24(x, (int)sizeof(srcT1) * kercn, src2_offset));
int src3_index = mad24(y0, src3_step, mad24(x, (int)sizeof(srcT1) * kercn, src3_offset));
#endif
for (int y = y0, y1 = min(dst_rows, y0 + rowsPerWI); y < y1; ++y, src1_index += src1_step, dst_index += dst_step)
{
__global const T * src1 = (__global const T *)(src1ptr + src1_index);
#if kercn >= cn && kercn == 4 && depth <= 4 && !defined HAVE_SCALAR
srcT src1 = *(__global const srcT *)(src1ptr + src1_index);
srcT src2 = *(__global const srcT *)(src2ptr + src2_index);
srcT src3 = *(__global const srcT *)(src3ptr + src3_index);
__global dstT * dst = (__global dstT *)(dstptr + dst_index);
#if cn == 1
dst[0] = src2 > src1 || src3 < src1 ? (dstT)(0) : (dstT)(255);
#elif cn == 2
dst[0] = (dstT)(src2.xy > src1.xy || src3.xy < src1.xy ||
src2.zw > src1.zw || src3.zw < src1.zw ? (dstT)(0) : (dstT)(255);
#elif cn == 4
dst[0] = (dstT)(src2.x > src1.x || src3.x < src1.x ||
src2.y > src1.y || src3.y < src1.y ||
src2.z > src1.z || src3.z < src1.z ||
src2.w > src1.w || src3.w < src1.w ? 0 : 255);
#endif
#else
__global const srcT1 * src1 = (__global const srcT1 *)(src1ptr + src1_index);
__global uchar * dst = dstptr + dst_index;
#ifndef HAVE_SCALAR
__global const T * src2 = (__global const T *)(src2ptr + src2_index);
__global const T * src3 = (__global const T *)(src3ptr + src3_index);
__global const srcT1 * src2 = (__global const srcT1 *)(src2ptr + src2_index);
__global const srcT1 * src3 = (__global const srcT1 *)(src3ptr + src3_index);
#endif
dst[0] = 255;
for (int c = 0; c < cn; ++c)
if (src2[c] > src1[c] || src3[c] < src1[c])
{
dst[0] = 0;
break;
}
#pragma unroll
for (int px = 0; px < colsPerWI; ++px, src1 += cn
#ifndef HAVE_SCALAR
, src2 += cn, src3 += cn
#endif
)
{
dst[px] = 255;
for (int c = 0; c < cn; ++c)
if (src2[c] > src1[c] || src3[c] < src1[c])
{
dst[px] = 0;
break;
}
}
#endif // kercn >= cn
#ifndef HAVE_SCALAR
src2_index += src2_step;
src3_index += src3_step;