--- /dev/null
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+
+// Copyright (C) 2014, Itseez, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+
+#ifdef DOUBLE_SUPPORT
+#ifdef cl_amd_fp64
+#pragma OPENCL EXTENSION cl_amd_fp64:enable
+#elif defined (cl_khr_fp64)
+#pragma OPENCL EXTENSION cl_khr_fp64:enable
+#endif
+#endif
+
+#ifdef DEPTH_0
+#define MIN_VAL 0
+#define MAX_VAL 255
+#elif defined DEPTH_1
+#define MIN_VAL -128
+#define MAX_VAL 127
+#elif defined DEPTH_2
+#define MIN_VAL 0
+#define MAX_VAL 65535
+#elif defined DEPTH_3
+#define MIN_VAL -32768
+#define MAX_VAL 32767
+#elif defined DEPTH_4
+#define MIN_VAL INT_MIN
+#define MAX_VAL INT_MAX
+#elif defined DEPTH_5
+#define MIN_VAL (-FLT_MAX)
+#define MAX_VAL FLT_MAX
+#elif defined DEPTH_6
+#define MIN_VAL (-DBL_MAX)
+#define MAX_VAL DBL_MAX
+#endif
+
+#define INDEX_MAX UINT_MAX
+
+#ifdef NEED_MINLOC
+#define CALC_MINLOC(inc) minloc = id + inc
+#else
+#define CALC_MINLOC(inc)
+#endif
+
+#ifdef NEED_MAXLOC
+#define CALC_MAXLOC(inc) maxloc = id + inc
+#else
+#define CALC_MAXLOC(inc)
+#endif
+
+#ifdef NEED_MINVAL
+#define CALC_MIN(p, inc) \
+ if (minval > temp.p) \
+ { \
+ minval = temp.p; \
+ CALC_MINLOC(inc); \
+ }
+#else
+#define CALC_MIN(p, inc)
+#endif
+
+#ifdef NEED_MAXVAL
+#define CALC_MAX(p, inc) \
+ if (maxval < temp.p) \
+ { \
+ maxval = temp.p; \
+ CALC_MAXLOC(inc); \
+ }
+#else
+#define CALC_MAX(p, inc)
+#endif
+
+#define CALC_P(p, inc) \
+ CALC_MIN(p, inc) \
+ CALC_MAX(p, inc)
+
+__kernel void minmaxloc(__global const uchar * srcptr, int src_step, int src_offset, int cols,
+ int total, int groupnum, __global uchar * dstptr
+#ifdef HAVE_MASK
+ , __global const uchar * mask, int mask_step, int mask_offset
+#endif
+ )
+{
+ int lid = get_local_id(0);
+ int gid = get_group_id(0);
+ int id = get_global_id(0) * kercn;
+
+ srcptr += src_offset;
+#ifdef HAVE_MASK
+ mask += mask_offset;
+#endif
+
+#ifdef NEED_MINVAL
+ __local srcT1 localmem_min[WGS2_ALIGNED];
+#ifdef NEED_MINLOC
+ __local uint localmem_minloc[WGS2_ALIGNED];
+#endif
+#endif
+#ifdef NEED_MAXVAL
+ __local srcT1 localmem_max[WGS2_ALIGNED];
+#ifdef NEED_MAXLOC
+ __local uint localmem_maxloc[WGS2_ALIGNED];
+#endif
+#endif
+
+ srcT1 minval = MAX_VAL, maxval = MIN_VAL;
+ srcT temp;
+ uint minloc = INDEX_MAX, maxloc = INDEX_MAX;
+ int src_index;
+#ifdef HAVE_MASK
+ int mask_index;
+#endif
+
+ for (int grain = groupnum * WGS * kercn; id < total; id += grain)
+ {
+#ifdef HAVE_SRC_CONT
+ src_index = mul24(id, (int)sizeof(srcT1));
+#else
+ src_index = mad24(id / cols, src_step, mul24(id % cols, (int)sizeof(srcT1)));
+#endif
+
+#ifdef HAVE_MASK
+#ifdef HAVE_MASK_CONT
+ mask_index = id;
+#else
+ mask_index = mad24(id / cols, mask_step, id % cols);
+#endif
+ if (mask[mask_index])
+#endif
+ {
+ temp = *(__global const srcT *)(srcptr + src_index);
+#if kercn == 1
+#ifdef NEED_MINVAL
+ if (minval > temp)
+ {
+ minval = temp;
+#ifdef NEED_MINLOC
+ minloc = id;
+#endif
+ }
+#endif
+#ifdef NEED_MAXVAL
+ if (maxval < temp)
+ {
+ maxval = temp;
+#ifdef NEED_MAXLOC
+ maxloc = id;
+#endif
+ }
+#endif
+#elif kercn >= 2
+ CALC_P(s0, 0)
+ CALC_P(s1, 1)
+#if kercn >= 4
+ CALC_P(s2, 2)
+ CALC_P(s3, 3)
+#if kercn >= 8
+ CALC_P(s4, 4)
+ CALC_P(s5, 5)
+ CALC_P(s6, 6)
+ CALC_P(s7, 7)
+#if kercn == 16
+ CALC_P(s8, 8)
+ CALC_P(s9, 9)
+ CALC_P(sA, 10)
+ CALC_P(sB, 11)
+ CALC_P(sC, 12)
+ CALC_P(sD, 13)
+ CALC_P(sE, 14)
+ CALC_P(sF, 15)
+#endif
+#endif
+#endif
+#endif
+ }
+ }
+
+ if (lid < WGS2_ALIGNED)
+ {
+#ifdef NEED_MINVAL
+ localmem_min[lid] = minval;
+#endif
+#ifdef NEED_MAXVAL
+ localmem_max[lid] = maxval;
+#endif
+#ifdef NEED_MINLOC
+ localmem_minloc[lid] = minloc;
+#endif
+#ifdef NEED_MAXLOC
+ localmem_maxloc[lid] = maxloc;
+#endif
+ }
+ barrier(CLK_LOCAL_MEM_FENCE);
+
+ if (lid >= WGS2_ALIGNED && total >= WGS2_ALIGNED)
+ {
+ int lid3 = lid - WGS2_ALIGNED;
+#ifdef NEED_MINVAL
+ if (localmem_min[lid3] >= minval)
+ {
+#ifdef NEED_MINLOC
+ if (localmem_min[lid3] == minval)
+ localmem_minloc[lid3] = min(localmem_minloc[lid3], minloc);
+ else
+ localmem_minloc[lid3] = minloc,
+#endif
+ localmem_min[lid3] = minval;
+ }
+#endif
+#ifdef NEED_MAXVAL
+ if (localmem_max[lid3] <= maxval)
+ {
+#ifdef NEED_MAXLOC
+ if (localmem_max[lid3] == maxval)
+ localmem_maxloc[lid3] = min(localmem_maxloc[lid3], maxloc);
+ else
+ localmem_maxloc[lid3] = maxloc,
+#endif
+ localmem_max[lid3] = maxval;
+ }
+#endif
+ }
+ barrier(CLK_LOCAL_MEM_FENCE);
+
+ for (int lsize = WGS2_ALIGNED >> 1; lsize > 0; lsize >>= 1)
+ {
+ if (lid < lsize)
+ {
+ int lid2 = lsize + lid;
+
+#ifdef NEED_MINVAL
+ if (localmem_min[lid] >= localmem_min[lid2])
+ {
+#ifdef NEED_MINLOC
+ if (localmem_min[lid] == localmem_min[lid2])
+ localmem_minloc[lid] = min(localmem_minloc[lid2], localmem_minloc[lid]);
+ else
+ localmem_minloc[lid] = localmem_minloc[lid2],
+#endif
+ localmem_min[lid] = localmem_min[lid2];
+ }
+#endif
+#ifdef NEED_MAXVAL
+ if (localmem_max[lid] <= localmem_max[lid2])
+ {
+#ifdef NEED_MAXLOC
+ if (localmem_max[lid] == localmem_max[lid2])
+ localmem_maxloc[lid] = min(localmem_maxloc[lid2], localmem_maxloc[lid]);
+ else
+ localmem_maxloc[lid] = localmem_maxloc[lid2],
+#endif
+ localmem_max[lid] = localmem_max[lid2];
+ }
+#endif
+ }
+ barrier(CLK_LOCAL_MEM_FENCE);
+ }
+
+ if (lid == 0)
+ {
+ int pos = 0;
+#ifdef NEED_MINVAL
+ *(__global srcT1 *)(dstptr + mad24(gid, (int)sizeof(srcT1), pos)) = localmem_min[0];
+ pos = mad24(groupnum, (int)sizeof(srcT1), pos);
+#endif
+#ifdef NEED_MAXVAL
+ *(__global srcT1 *)(dstptr + mad24(gid, (int)sizeof(srcT1), pos)) = localmem_max[0];
+ pos = mad24(groupnum, (int)sizeof(srcT1), pos);
+#endif
+#ifdef NEED_MINLOC
+ *(__global uint *)(dstptr + mad24(gid, (int)sizeof(uint), pos)) = localmem_minloc[0];
+ pos = mad24(groupnum, (int)sizeof(uint), pos);
+#endif
+#ifdef NEED_MAXLOC
+ *(__global uint *)(dstptr + mad24(gid, (int)sizeof(uint), pos)) = localmem_maxloc[0];
+#endif
+ }
+}
#define MAX_VAL DBL_MAX
#endif
+#define INDEX_MAX UINT_MAX
+
#define dstT srcT
#define dstT1 srcT1
#define CALC_RESULT \
storepix(localmem_max[0], dstptr + dstTSIZE * gid)
-// minMaxLoc stuff
-#elif defined OP_MIN_MAX_LOC || defined OP_MIN_MAX_LOC_MASK
-
-#define DECLARE_LOCAL_MEM \
- __local srcT localmem_min[WGS2_ALIGNED]; \
- __local srcT localmem_max[WGS2_ALIGNED]; \
- __local int localmem_minloc[WGS2_ALIGNED]; \
- __local int localmem_maxloc[WGS2_ALIGNED]
-#define DEFINE_ACCUMULATOR \
- srcT minval = MAX_VAL; \
- srcT maxval = MIN_VAL; \
- int negative = -1; \
- int minloc = negative; \
- int maxloc = negative; \
- srcT temp; \
- int temploc
-#define REDUCE_GLOBAL \
- temp = loadpix(srcptr + src_index); \
- temploc = id; \
- srcT temp_minval = minval, temp_maxval = maxval; \
- minval = min(minval, temp); \
- maxval = max(maxval, temp); \
- minloc = (minval == temp_minval) ? (temp_minval == MAX_VAL) ? temploc : minloc : temploc; \
- maxloc = (maxval == temp_maxval) ? (temp_maxval == MIN_VAL) ? temploc : maxloc : temploc
-#define SET_LOCAL_1 \
- localmem_min[lid] = minval; \
- localmem_max[lid] = maxval; \
- localmem_minloc[lid] = minloc; \
- localmem_maxloc[lid] = maxloc
-#define REDUCE_LOCAL_1 \
- srcT oldmin = localmem_min[lid-WGS2_ALIGNED]; \
- srcT oldmax = localmem_max[lid-WGS2_ALIGNED]; \
- localmem_min[lid - WGS2_ALIGNED] = min(minval, localmem_min[lid-WGS2_ALIGNED]); \
- localmem_max[lid - WGS2_ALIGNED] = max(maxval, localmem_max[lid-WGS2_ALIGNED]); \
- srcT minv = localmem_min[lid - WGS2_ALIGNED], maxv = localmem_max[lid - WGS2_ALIGNED]; \
- localmem_minloc[lid - WGS2_ALIGNED] = (minv == minval) ? (minv == oldmin) ? \
- min(minloc, localmem_minloc[lid-WGS2_ALIGNED]) : minloc : localmem_minloc[lid-WGS2_ALIGNED]; \
- localmem_maxloc[lid - WGS2_ALIGNED] = (maxv == maxval) ? (maxv == oldmax) ? \
- min(maxloc, localmem_maxloc[lid-WGS2_ALIGNED]) : maxloc : localmem_maxloc[lid-WGS2_ALIGNED]
-#define REDUCE_LOCAL_2 \
- srcT oldmin = localmem_min[lid]; \
- srcT oldmax = localmem_max[lid]; \
- localmem_min[lid] = min(localmem_min[lid], localmem_min[lid2]); \
- localmem_max[lid] = max(localmem_max[lid], localmem_max[lid2]); \
- srcT min1 = localmem_min[lid], min2 = localmem_min[lid2]; \
- localmem_minloc[lid] = (localmem_minloc[lid] == negative) ? localmem_minloc[lid2] : (localmem_minloc[lid2] == negative) ? \
- localmem_minloc[lid] : (min1 == min2) ? (min1 == oldmin) ? min(localmem_minloc[lid2],localmem_minloc[lid]) : \
- localmem_minloc[lid2] : localmem_minloc[lid]; \
- srcT max1 = localmem_max[lid], max2 = localmem_max[lid2]; \
- localmem_maxloc[lid] = (localmem_maxloc[lid] == negative) ? localmem_maxloc[lid2] : (localmem_maxloc[lid2] == negative) ? \
- localmem_maxloc[lid] : (max1 == max2) ? (max1 == oldmax) ? min(localmem_maxloc[lid2],localmem_maxloc[lid]) : \
- localmem_maxloc[lid2] : localmem_maxloc[lid]
-#define CALC_RESULT \
- storepix(localmem_min[0], dstptr + dstTSIZE * gid); \
- storepix(localmem_max[0], dstptr2 + dstTSIZE * gid); \
- dstlocptr[gid] = localmem_minloc[0]; \
- dstlocptr2[gid] = localmem_maxloc[0]
-
-#if defined OP_MIN_MAX_LOC_MASK
-#undef DEFINE_ACCUMULATOR
-#define DEFINE_ACCUMULATOR \
- srcT minval = MAX_VAL; \
- srcT maxval = MIN_VAL; \
- int negative = -1; \
- int minloc = negative; \
- int maxloc = negative; \
- srcT temp, temp_mask, zeroVal = (srcT)(0); \
- int temploc
-#undef REDUCE_GLOBAL
-#define REDUCE_GLOBAL \
- temp = loadpix(srcptr + src_index); \
- temploc = id; \
- MASK_INDEX; \
- __global const uchar * mask = (__global const uchar *)(maskptr + mask_index); \
- temp_mask = mask[0]; \
- srcT temp_minval = minval, temp_maxval = maxval; \
- minval = (temp_mask == zeroVal) ? minval : min(minval, temp); \
- maxval = (temp_mask == zeroVal) ? maxval : max(maxval, temp); \
- minloc = (temp_mask == zeroVal) ? minloc : (minval == temp_minval) ? (temp_minval == MAX_VAL) ? temploc : minloc : temploc; \
- maxloc = (temp_mask == zeroVal) ? maxloc : (maxval == temp_maxval) ? (temp_maxval == MIN_VAL) ? temploc : maxloc : temploc
-#endif
-
#else
#error "No operation"
-#endif // end of minMaxLoc stuff
-
-#ifdef OP_MIN_MAX_LOC
-#undef EXTRA_PARAMS
-#define EXTRA_PARAMS , __global uchar * dstptr2, __global int * dstlocptr, __global int * dstlocptr2
-
-#elif defined OP_MIN_MAX_LOC_MASK
-#undef EXTRA_PARAMS
-#define EXTRA_PARAMS , __global uchar * dstptr2, __global int * dstlocptr, __global int * dstlocptr2, \
- __global const uchar * maskptr, int mask_step, int mask_offset
+#endif // end of norm (NORM_INF) with cn > 1 and mask
-#elif defined OP_DOT
+#ifdef OP_DOT
#undef EXTRA_PARAMS
#define EXTRA_PARAMS , __global uchar * src2ptr, int src2_step, int src2_offset
#endif
#ifdef HAVE_OPENCL
template <typename T>
-void getMinMaxRes(const Mat &minv, const Mat &maxv, const Mat &minl, const Mat &maxl, double* minVal,
- double* maxVal, int* minLoc, int* maxLoc, const int groupnum, const int cn, const int cols)
+void getMinMaxRes(const Mat & db, double* minVal, double* maxVal,
+ int* minLoc, int* maxLoc,
+ int groupnum, int cn, int cols)
{
- T min = std::numeric_limits<T>::max();
- T max = std::numeric_limits<T>::min() > 0 ? -std::numeric_limits<T>::max() : std::numeric_limits<T>::min();
- int minloc = INT_MAX, maxloc = INT_MAX;
+ uint index_max = std::numeric_limits<uint>::max();
+ T minval = std::numeric_limits<T>::max();
+ T maxval = std::numeric_limits<T>::min() > 0 ? -std::numeric_limits<T>::max() : std::numeric_limits<T>::min();
+ uint minloc = index_max, maxloc = index_max;
+
+ int index = 0;
+ const T * minptr = NULL, * maxptr = NULL;
+ const uint * minlocptr = NULL, * maxlocptr = NULL;
+ if (minVal || minLoc)
+ {
+ minptr = (const T *)db.data;
+ index += sizeof(T) * groupnum;
+ }
+ if (maxVal || maxLoc)
+ {
+ maxptr = (const T *)(db.data + index);
+ index += sizeof(T) * groupnum;
+ }
+ if (minLoc)
+ {
+ minlocptr = (uint *)(db.data + index);
+ index += sizeof(uint) * groupnum;
+ }
+ if (maxLoc)
+ maxlocptr = (uint *)(db.data + index);
+
for (int i = 0; i < groupnum; i++)
{
- T current_min = minv.at<T>(0,i);
- T current_max = maxv.at<T>(0,i);
- T oldmin = min, oldmax = max;
- min = std::min(min, current_min);
- max = std::max(max, current_max);
- if (cn == 1)
+ if (minptr && minptr[i] <= minval)
{
- int current_minloc = minl.at<int>(0,i);
- int current_maxloc = maxl.at<int>(0,i);
- if(current_minloc < 0 || current_maxloc < 0) continue;
- minloc = (oldmin == current_min) ? std::min(minloc, current_minloc) : (oldmin < current_min) ? minloc : current_minloc;
- maxloc = (oldmax == current_max) ? std::min(maxloc, current_maxloc) : (oldmax > current_max) ? maxloc : current_maxloc;
+ if (minptr[i] == minval)
+ {
+ if (minlocptr)
+ minloc = std::min(minlocptr[i], minloc);
+ }
+ else
+ {
+ if (minlocptr)
+ minloc = minlocptr[i];
+ minval = minptr[i];
+ }
+ }
+ if (maxptr && maxptr[i] >= maxval)
+ {
+ if (maxptr[i] == maxval)
+ {
+ if (maxlocptr)
+ maxloc = std::min(maxlocptr[i], maxloc);
+ }
+ else
+ {
+ if (maxlocptr)
+ maxloc = maxlocptr[i];
+ maxval = maxptr[i];
+ }
}
}
- bool zero_mask = (maxloc == INT_MAX) || (minloc == INT_MAX);
+ bool zero_mask = (minLoc && minloc == index_max) ||
+ (maxLoc && maxloc == index_max);
+
if (minVal)
- *minVal = zero_mask ? 0 : (double)min;
+ *minVal = zero_mask ? 0 : (double)minval;
if (maxVal)
- *maxVal = zero_mask ? 0 : (double)max;
+ *maxVal = zero_mask ? 0 : (double)maxval;
+
if (minLoc)
{
- minLoc[0] = zero_mask ? -1 : minloc/cols;
- minLoc[1] = zero_mask ? -1 : minloc%cols;
+ minLoc[0] = zero_mask ? -1 : minloc / cols;
+ minLoc[1] = zero_mask ? -1 : minloc % cols;
}
if (maxLoc)
{
- maxLoc[0] = zero_mask ? -1 : maxloc/cols;
- maxLoc[1] = zero_mask ? -1 : maxloc%cols;
+ maxLoc[0] = zero_mask ? -1 : maxloc / cols;
+ maxLoc[1] = zero_mask ? -1 : maxloc % cols;
}
}
-typedef void (*getMinMaxResFunc)(const Mat &minv, const Mat &maxv, const Mat &minl, const Mat &maxl, double *minVal,
- double *maxVal, int *minLoc, int *maxLoc, const int gropunum, const int cn, const int cols);
+typedef void (*getMinMaxResFunc)(const Mat & db, double *minVal, double *maxVal,
+ int *minLoc, int *maxLoc,
+ int gropunum, int cn, int cols);
static bool ocl_minMaxIdx( InputArray _src, double* minVal, double* maxVal, int* minLoc, int* maxLoc, InputArray _mask)
{
CV_Assert( (_src.channels() == 1 && (_mask.empty() || _mask.type() == CV_8U)) ||
(_src.channels() >= 1 && _mask.empty() && !minLoc && !maxLoc) );
- int type = _src.type(), depth = CV_MAT_DEPTH(type), kercn = 1;
- bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0;
+ const ocl::Device & dev = ocl::Device::getDefault();
+ bool doubleSupport = dev.doubleFPConfig() > 0, haveMask = !_mask.empty();
+ int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type),
+ kercn = haveMask ? 1 : std::min(4, ocl::predictOptimalVectorWidth(_src));
if (depth == CV_64F && !doubleSupport)
return false;
- int groupnum = ocl::Device::getDefault().maxComputeUnits();
- size_t wgs = ocl::Device::getDefault().maxWorkGroupSize();
+ int groupnum = dev.maxComputeUnits();
+ size_t wgs = dev.maxWorkGroupSize();
int wgs2_aligned = 1;
while (wgs2_aligned < (int)wgs)
wgs2_aligned <<= 1;
wgs2_aligned >>= 1;
- String opts = format("-D DEPTH_%d -D srcT=%s -D OP_MIN_MAX_LOC%s -D WGS=%d"
- " -D WGS2_ALIGNED=%d%s%s%s -D kercn=%d",
- depth, ocl::typeToStr(depth), _mask.empty() ? "" : "_MASK", (int)wgs,
- wgs2_aligned, doubleSupport ? " -D DOUBLE_SUPPORT" : "",
+ bool needMinVal = minVal || minLoc, needMinLoc = minLoc != NULL,
+ needMaxVal = maxVal || maxLoc, needMaxLoc = maxLoc != NULL;
+
+ // in case of mask we must know whether mask is filled with zeros or not
+ // so let's calculate min or max location, if it's undefined, so mask is zeros
+ if (!(needMaxLoc || needMinLoc) && haveMask)
+ if (needMinVal)
+ needMinLoc = true;
+ else
+ needMaxVal = true;
+
+ String opts = format("-D DEPTH_%d -D srcT1=%s%s -D WGS=%d -D srcT=%s"
+ " -D WGS2_ALIGNED=%d%s%s%s -D kercn=%d%s%s%s%s",
+ depth, ocl::typeToStr(depth), haveMask ? " -D HAVE_MASK" : "", (int)wgs,
+ ocl::typeToStr(CV_MAKE_TYPE(depth, kercn)), wgs2_aligned,
+ doubleSupport ? " -D DOUBLE_SUPPORT" : "",
_src.isContinuous() ? " -D HAVE_SRC_CONT" : "",
- _mask.isContinuous() ? " -D HAVE_MASK_CONT" : "", kercn);
+ _mask.isContinuous() ? " -D HAVE_MASK_CONT" : "", kercn,
+ needMinVal ? " -D NEED_MINVAL" : "", needMaxVal ? " -D NEED_MAXVAL" : "",
+ needMinLoc ? " -D NEED_MINLOC" : "", needMaxLoc ? " -D NEED_MAXLOC" : "");
- ocl::Kernel k("reduce", ocl::core::reduce_oclsrc, opts);
+ ocl::Kernel k("minmaxloc", ocl::core::minmaxloc_oclsrc, opts);
if (k.empty())
return false;
- UMat src = _src.getUMat(), minval(1, groupnum, src.type()),
- maxval(1, groupnum, src.type()), minloc( 1, groupnum, CV_32SC1),
- maxloc( 1, groupnum, CV_32SC1), mask;
- if (!_mask.empty())
- mask = _mask.getUMat();
+ int esz = CV_ELEM_SIZE(depth), esz32s = CV_ELEM_SIZE1(CV_32S),
+ dbsize = groupnum * ((needMinVal ? esz : 0) + (needMaxVal ? esz : 0) +
+ (needMinLoc ? esz32s : 0) + (needMaxLoc ? esz32s : 0));
+ UMat src = _src.getUMat(), db(1, dbsize, CV_8UC1), mask = _mask.getUMat();
- if (src.channels() > 1)
+ if (cn > 1)
src = src.reshape(1);
- if (mask.empty())
+ if (!haveMask)
k.args(ocl::KernelArg::ReadOnlyNoSize(src), src.cols, (int)src.total(),
- groupnum, ocl::KernelArg::PtrWriteOnly(minval), ocl::KernelArg::PtrWriteOnly(maxval),
- ocl::KernelArg::PtrWriteOnly(minloc), ocl::KernelArg::PtrWriteOnly(maxloc));
+ groupnum, ocl::KernelArg::PtrWriteOnly(db));
else
- k.args(ocl::KernelArg::ReadOnlyNoSize(src), src.cols, (int)src.total(), groupnum,
- ocl::KernelArg::PtrWriteOnly(minval), ocl::KernelArg::PtrWriteOnly(maxval),
- ocl::KernelArg::PtrWriteOnly(minloc), ocl::KernelArg::PtrWriteOnly(maxloc), ocl::KernelArg::ReadOnlyNoSize(mask));
+ k.args(ocl::KernelArg::ReadOnlyNoSize(src), src.cols, (int)src.total(),
+ groupnum, ocl::KernelArg::PtrWriteOnly(db), ocl::KernelArg::ReadOnlyNoSize(mask));
size_t globalsize = groupnum * wgs;
if (!k.run(1, &globalsize, &wgs, false))
return false;
- Mat minv = minval.getMat(ACCESS_READ), maxv = maxval.getMat(ACCESS_READ),
- minl = minloc.getMat(ACCESS_READ), maxl = maxloc.getMat(ACCESS_READ);
-
- static getMinMaxResFunc functab[7] =
+ static const getMinMaxResFunc functab[7] =
{
getMinMaxRes<uchar>,
getMinMaxRes<char>,
getMinMaxRes<double>
};
- getMinMaxResFunc func;
+ getMinMaxResFunc func = functab[depth];
- func = functab[depth];
- func(minv, maxv, minl, maxl, minVal, maxVal, minLoc, maxLoc, groupnum, src.channels(), src.cols);
+ int locTemp[2];
+ func(db.getMat(ACCESS_READ), minVal, maxVal,
+ needMinLoc ? minLoc ? minLoc : locTemp : minLoc,
+ needMaxLoc ? maxLoc ? maxLoc : locTemp : maxLoc, groupnum, cn, src.cols);
return true;
}
projects / profile / ivi / opencv.git / commitdiff