fixed ocl::minMax for FP-types

modules/ocl/src/arithm.cpp

@@ -474,10 +474,14 @@ static void arithmetic_minMax_run(const oclMat &src, const oclMat & mask, cl_mem
 
     ostringstream stream;
     stream << "-D T=" << typeMap[src.depth()] << channelMap[src.channels()];
-    stream << " -D MAX_VAL=" << (WT)numeric_limits<T>::max();
-    stream << " -D MIN_VAL=" << (numeric_limits<T>::is_integer ?
-                  (WT)numeric_limits<T>::min() : -(WT)(std::numeric_limits<T>::max()));
-    string buildOptions = stream.str();
+    if (numeric_limits<T>::is_integer)
+    {
+        stream << " -D MAX_VAL=" << (WT)numeric_limits<T>::max();
+        stream << " -D MIN_VAL=" << (WT)numeric_limits<T>::min();
+    }
+    else
+        stream << " -D DEPTH_" << src.depth();
+    std::string buildOptions = stream.str();
 
     vector<pair<size_t , const void *> > args;
     args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));

modules/ocl/src/opencl/arithm_minMax.cl

@@ -53,8 +53,13 @@
 #endif
 #endif
 
-#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics:enable
-#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics:enable
+#ifdef 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
 
 /**************************************Array minMax**************************************/
 
@@ -78,14 +83,14 @@ __kernel void arithm_op_minMax(__global const T * src, __global T * dst,
        maxval = max(maxval, temp);
    }
 
-   if(lid > 127)
+   if (lid > 127)
    {
        localmem_min[lid - 128] = minval;
        localmem_max[lid - 128] = maxval;
    }
    barrier(CLK_LOCAL_MEM_FENCE);
 
-   if(lid < 128)
+   if (lid < 128)
    {
        localmem_min[lid] = min(minval, localmem_min[lid]);
        localmem_max[lid] = max(maxval, localmem_max[lid]);
@@ -138,14 +143,14 @@ __kernel void arithm_op_minMax_mask(__global const T * src, __global T * dst,
        }
    }
 
-   if(lid > 127)
+   if (lid > 127)
    {
        localmem_min[lid - 128] = minval;
        localmem_max[lid - 128] = maxval;
    }
    barrier(CLK_LOCAL_MEM_FENCE);
 
-   if(lid < 128)
+   if (lid < 128)
    {
        localmem_min[lid] = min(minval, localmem_min[lid]);
        localmem_max[lid] = max(maxval, localmem_max[lid]);

modules/ocl/src/opencl/arithm_minMax_mask.cl

-/*M///////////////////////////////////////////////////////////////////////////////////////
-//
-//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-//  By downloading, copying, installing or using the software you agree to this license.
-//  If you do not agree to this license, do not download, install,
-//  copy or use the software.
-//
-//
-//                           License Agreement
-//                For Open Source Computer Vision Library
-//
-// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
-// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// @Authors
-//    Shengen Yan,yanshengen@gmail.com
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
-//
-//   * Redistribution's of source code must retain the above copyright notice,
-//     this list of conditions and the following disclaimer.
-//
-//   * Redistribution's in binary form must reproduce the above copyright notice,
-//     this list of conditions and the following disclaimer in the documentation
-//     and/or other materials provided with the distribution.
-//
-//   * The name of the copyright holders may not be used to endorse or promote products
-//     derived from this software without specific prior written permission.
-//
-// This software is provided by the copyright holders and contributors as is and
-// any express or implied warranties, including, but not limited to, the implied
-// warranties of merchantability and fitness for a particular purpose are disclaimed.
-// In no event shall the Intel Corporation or contributors be liable for any direct,
-// indirect, incidental, special, exemplary, or consequential damages
-// (including, but not limited to, procurement of substitute goods or services;
-// loss of use, data, or profits; or business interruption) however caused
-// and on any theory of liability, whether in contract, strict liability,
-// or tort (including negligence or otherwise) arising in any way out of
-// the use of this software, even if advised of the possibility of such damage.
-//
-//M*/
-
-/**************************************PUBLICFUNC*************************************/
-#if defined (DOUBLE_SUPPORT)
-#pragma OPENCL EXTENSION cl_khr_fp64:enable
-#endif
-
-#if defined (DEPTH_0)
-#define VEC_TYPE uchar8
-#define TYPE uchar
-#define CONVERT_TYPE convert_uchar8
-#define MIN_VAL 0
-#define MAX_VAL 255
-#endif
-#if defined (DEPTH_1)
-#define VEC_TYPE char8
-#define TYPE char
-#define CONVERT_TYPE convert_char8
-#define MIN_VAL -128
-#define MAX_VAL 127
-#endif
-#if defined (DEPTH_2)
-#define VEC_TYPE ushort8
-#define TYPE ushort
-#define CONVERT_TYPE convert_ushort8
-#define MIN_VAL 0
-#define MAX_VAL 65535
-#endif
-#if defined (DEPTH_3)
-#define VEC_TYPE short8
-#define TYPE short
-#define CONVERT_TYPE convert_short8
-#define MIN_VAL -32768
-#define MAX_VAL 32767
-#endif
-#if defined (DEPTH_4)
-#define VEC_TYPE int8
-#define TYPE int
-#define CONVERT_TYPE convert_int8
-#define MIN_VAL INT_MIN
-#define MAX_VAL INT_MAX
-#endif
-#if defined (DEPTH_5)
-#define VEC_TYPE float8
-#define TYPE float
-#define CONVERT_TYPE convert_float8
-#define MIN_VAL (-FLT_MAX)
-#define MAX_VAL FLT_MAX
-#endif
-#if defined (DEPTH_6)
-#define VEC_TYPE double8
-#define TYPE double
-#define CONVERT_TYPE convert_double8
-#define MIN_VAL (-DBL_MAX)
-#define MAX_VAL DBL_MAX
-#endif
-
-#if defined (REPEAT_E0)
-#define repeat_me(a) a = a;
-#endif
-#if defined (REPEAT_E1)
-#define repeat_me(a) a.s7 = 0;
-#endif
-#if defined (REPEAT_E2)
-#define repeat_me(a) a.s7 = 0;a.s6 = 0;
-#endif
-#if defined (REPEAT_E3)
-#define repeat_me(a) a.s7 = 0;a.s6 = 0;a.s5 = 0;
-#endif
-#if defined (REPEAT_E4)
-#define repeat_me(a) a.s7 = 0;a.s6 = 0;a.s5 = 0;a.s4 = 0;
-#endif
-#if defined (REPEAT_E5)
-#define repeat_me(a) a.s7 = 0;a.s6 = 0;a.s5 = 0;a.s4 = 0;a.s3 = 0;
-#endif
-#if defined (REPEAT_E6)
-#define repeat_me(a) a.s7 = 0;a.s6 = 0;a.s5 = 0;a.s4 = 0;a.s3 = 0;a.s2 = 0;
-#endif
-#if defined (REPEAT_E7)
-#define repeat_me(a) a.s7 = 0;a.s6 = 0;a.s5 = 0;a.s4 = 0;a.s3 = 0;a.s2 = 0;a.s1 = 0;
-#endif
-
-#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics:enable
-#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics:enable
-
-/**************************************Array minMax mask**************************************/
-__kernel void arithm_op_minMax_mask (int cols,int invalid_cols,int offset,int elemnum,int groupnum, __global TYPE *src,
-                                     int minvalid_cols,int moffset, __global uchar *mask,__global VEC_TYPE *dst)
-{
-   unsigned int lid = get_local_id(0);
-   unsigned int gid = get_group_id(0);
-   unsigned int  id = get_global_id(0);
-   unsigned int idx = id + (id / cols) * invalid_cols;
-   unsigned int midx = id + (id / cols) * minvalid_cols;
-   __local VEC_TYPE localmem_max[128],localmem_min[128];
-   VEC_TYPE minval,maxval,temp,m_temp;
-   if(id < elemnum)
-   {
-       temp = vload8(idx, &src[offset]);
-       m_temp = CONVERT_TYPE(vload8(midx,&mask[moffset]));
-       if(id % cols == cols - 1)
-       {
-           repeat_me(m_temp);
-       }
-       minval = m_temp != (VEC_TYPE)0 ? temp : (VEC_TYPE)MAX_VAL;
-       maxval = m_temp != (VEC_TYPE)0 ? temp : (VEC_TYPE)MIN_VAL;
-   }
-   else
-   {
-       minval = MAX_VAL;
-       maxval = MIN_VAL;
-   }
-   for(id=id + (groupnum << 8); id < elemnum;id = id + (groupnum << 8))
-   {
-       idx = id + (id / cols) * invalid_cols;
-       midx = id + (id / cols) * minvalid_cols;
-       temp = vload8(idx, &src[offset]);
-       m_temp = CONVERT_TYPE(vload8(midx,&mask[moffset]));
-       if(id % cols == cols - 1)
-       {
-               repeat_me(m_temp);
-       }
-       minval = min(minval,m_temp != (VEC_TYPE)0 ? temp : minval);
-       maxval = max(maxval,m_temp != (VEC_TYPE)0 ? temp : maxval);
-   }
-   if(lid > 127)
-   {
-       localmem_min[lid - 128] = minval;
-       localmem_max[lid - 128] = maxval;
-   }
-   barrier(CLK_LOCAL_MEM_FENCE);
-   if(lid < 128)
-   {
-       localmem_min[lid] = min(minval,localmem_min[lid]);
-       localmem_max[lid] = max(maxval,localmem_max[lid]);
-   }
-   barrier(CLK_LOCAL_MEM_FENCE);
-   for(int lsize = 64; lsize > 0; lsize >>= 1)
-   {
-       if(lid < lsize)
-       {
-           int lid2 = lsize + lid;
-           localmem_min[lid] = min(localmem_min[lid] , localmem_min[lid2]);
-           localmem_max[lid] = max(localmem_max[lid] , localmem_max[lid2]);
-       }
-       barrier(CLK_LOCAL_MEM_FENCE);
-   }
-   if( lid == 0)
-   {
-       dst[gid] = localmem_min[0];
-       dst[gid + groupnum] = localmem_max[0];
-   }
-}

modules/ocl/test/test_arithm.cpp

@@ -126,8 +126,12 @@ PARAM_TEST_CASE(Lut, MatDepth, MatDepth, bool, bool)
 
     void Near(double threshold = 0.)
     {
-        EXPECT_MAT_NEAR(dst, Mat(gdst_whole), threshold);
-        EXPECT_MAT_NEAR(dst_roi, Mat(gdst_roi), threshold);
+        Mat whole, roi;
+        gdst_whole.download(whole);
+        gdst_roi.download(roi);
+
+        EXPECT_MAT_NEAR(dst, whole, threshold);
+        EXPECT_MAT_NEAR(dst_roi, roi, threshold);
     }
 };
 
@@ -222,14 +226,22 @@ PARAM_TEST_CASE(ArithmTestBase, MatDepth, Channels, bool)
 
     void Near(double threshold = 0.)
     {
-        EXPECT_MAT_NEAR(dst1, Mat(gdst1_whole), threshold);
-        EXPECT_MAT_NEAR(dst1_roi, Mat(gdst1_roi), threshold);
+        Mat whole, roi;
+        gdst1_whole.download(whole);
+        gdst1_roi.download(roi);
+
+        EXPECT_MAT_NEAR(dst1, whole, threshold);
+        EXPECT_MAT_NEAR(dst1_roi, roi, threshold);
     }
 
     void Near1(double threshold = 0.)
     {
-        EXPECT_MAT_NEAR(dst2, Mat(gdst2_whole), threshold);
-        EXPECT_MAT_NEAR(dst2_roi, Mat(gdst2_roi), threshold);
+        Mat whole, roi;
+        gdst2_whole.download(whole);
+        gdst2_roi.download(roi);
+
+        EXPECT_MAT_NEAR(dst2, whole, threshold);
+        EXPECT_MAT_NEAR(dst2_roi, roi, threshold);
     }
 };
 
@@ -724,6 +736,15 @@ OCL_TEST_P(MinMax, MAT)
 
 OCL_TEST_P(MinMax, MASK)
 {
+    enum { MAX_IDX = 0, MIN_IDX };
+    static const double minMaxGolds[2][7] =
+    {
+        { std::numeric_limits<uchar>::min(), std::numeric_limits<char>::min(), std::numeric_limits<ushort>::min(),
+          std::numeric_limits<short>::min(), std::numeric_limits<int>::min(), -std::numeric_limits<float>::max(), -std::numeric_limits<double>::max() },
+        { std::numeric_limits<uchar>::max(), std::numeric_limits<char>::max(), std::numeric_limits<ushort>::max(),
+          std::numeric_limits<short>::max(), std::numeric_limits<int>::max(), std::numeric_limits<float>::max(), std::numeric_limits<double>::max() },
+    };
+
     for (int j = 0; j < LOOP_TIMES; j++)
     {
         random_roi();
@@ -750,8 +771,16 @@ OCL_TEST_P(MinMax, MASK)
         double minVal_, maxVal_;
         cv::ocl::minMax(gsrc1_roi, &minVal_, &maxVal_, gmask_roi);
 
-        EXPECT_DOUBLE_EQ(minVal, minVal_);
-        EXPECT_DOUBLE_EQ(maxVal, maxVal_);
+        if (cv::countNonZero(mask_roi) == 0)
+        {
+            EXPECT_DOUBLE_EQ(minMaxGolds[MIN_IDX][depth], minVal_);
+            EXPECT_DOUBLE_EQ(minMaxGolds[MAX_IDX][depth], maxVal_);
+        }
+        else
+        {
+            EXPECT_DOUBLE_EQ(minVal, minVal_);
+            EXPECT_DOUBLE_EQ(maxVal, maxVal_);
+        }
     }
 }