From: Tom Stellard <[email protected]> --- tests/cl/program/execute/opencv-calLUT.cl | 88 +++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 tests/cl/program/execute/opencv-calLUT.cl
diff --git a/tests/cl/program/execute/opencv-calLUT.cl b/tests/cl/program/execute/opencv-calLUT.cl new file mode 100644 index 0000000..2680bb6 --- /dev/null +++ b/tests/cl/program/execute/opencv-calLUT.cl @@ -0,0 +1,88 @@ + +/*! +[config] +dimensions: 1 +global_size: 65536 1 1 +local_size: 256 1 1 +kernel_name: calLUT + +[test] +# These are trivial inputs and outputs. The main purpose of this test is to +# make sure the optimizer doesn't rearrange the barrier calls in a way that +# will hang the GPU. +arg_out: 0 buffer uchar[256] repeat 0 +arg_in: 1 buffer int[256] repeat 1 +arg_in: 2 int 65536 + +!*/ + +// This kernel was taken from the opencv library (http://opencv.org) +// Filename: modules/ocl/src/opencl/imgproc_histogram.cl +// +// 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. +// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved. +// Third party copyrights are property of their respective owners. +// +// @Authors +// Niko Li, [email protected] +// Jia Haipeng, [email protected] +// Xu Pang, [email protected] +// Wenju He, [email protected] +// 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 GpuMaterials 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. +// +// + +#define HISTOGRAM256_BIN_COUNT (256) + +__kernel __attribute__((reqd_work_group_size(256,1,1)))void calLUT( + __global uchar * dst, + __constant int * hist, + int total) +{ + int lid = get_local_id(0); + __local int sumhist[HISTOGRAM256_BIN_COUNT+1]; + + sumhist[lid]=hist[lid]; + barrier(CLK_LOCAL_MEM_FENCE); + if(lid==0) + { + int sum = 0; + int i = 0; + while (!sumhist[i]) ++i; + sumhist[HISTOGRAM256_BIN_COUNT] = sumhist[i]; + for(sumhist[i++] = 0; i<HISTOGRAM256_BIN_COUNT; i++) + { + sum+=sumhist[i]; + sumhist[i]=sum; + } + } + barrier(CLK_LOCAL_MEM_FENCE); + float scale = 255.f/(total - sumhist[HISTOGRAM256_BIN_COUNT]); + dst[lid]= lid == 0 ? 0 : convert_uchar_sat(convert_float(sumhist[lid])*scale); +} -- 1.7.11.4 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
