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Diffstat (limited to 'silx/resources/opencl/image/map.cl')
-rw-r--r-- | silx/resources/opencl/image/map.cl | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/silx/resources/opencl/image/map.cl b/silx/resources/opencl/image/map.cl deleted file mode 100644 index 804a5a1..0000000 --- a/silx/resources/opencl/image/map.cl +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Project: SILX: Data analysis library - * kernel for maximum and minimum calculation - * - * - * Copyright (C) 2013-2017 European Synchrotron Radiation Facility - * Grenoble, France - * - * Principal authors: J. Kieffer (kieffer@esrf.fr) - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * - */ - -#ifndef NB_COLOR - #define NB_COLOR 1 -#endif - - -/** - * \brief Linear scale of signal in an image (maybe multi-color) - * - * :param image: contains the input image - * :param output: contains the output image after scaling - * :param max_min_input: 2-floats containing the maximum and the minimum value of image - * :param minimum: float scalar with the minimum of the output - * :param maximum: float scalar with the maximum of the output - * :param width: integer, number of columns the matrices - * :param height: integer, number of lines of the matrices - * - * - */ - - -kernel void normalize_image(global float* image, - global float* output, - int width, - int height, - global float* max_min_input, - float minimum, - float maximum - ) -{ - //Global memory guard for padding - if((get_global_id(0) < width) && (get_global_id(1)<height)) - { - int idx = NB_COLOR* (get_global_id(0) + width * get_global_id(1)); - float mini_in, maxi_in, scale; - maxi_in = max_min_input[0]; - mini_in = max_min_input[1]; - if (maxi_in == mini_in) - { - scale = NAN; - } - else - { - scale = (maximum - minimum) / (maxi_in - mini_in); - } - - for (int c=0; c<NB_COLOR; c++) - { - output[idx+c] = fma(scale, image[idx+c]-mini_in, minimum); - } // end color loop - }//end if in IMAGE -}//end kernel |