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59 lines
2.5 KiB
C
59 lines
2.5 KiB
C
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __SOBELFILTER_KERNELS_H_
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#define __SOBELFILTER_KERNELS_H_
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typedef unsigned char Pixel;
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// global determines which filter to invoke
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enum SobelDisplayMode {
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SOBELDISPLAY_IMAGE = 0,
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SOBELDISPLAY_SOBELTEX,
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SOBELDISPLAY_SOBELSHARED
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};
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// Enums to set up the function table
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// note: if you change these be sure to recompile those files
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// that include this header or ensure the .h is in the
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// dependencies for the related object files
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enum POINT_ENUM { SOBEL_FILTER = 0, BOX_FILTER, LAST_POINT_FILTER };
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enum BLOCK_ENUM { THRESHOLD_FILTER = 0, NULL_FILTER, LAST_BLOCK_FILTER };
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extern enum SobelDisplayMode g_SobelDisplayMode;
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extern "C" void sobelFilter(Pixel *odata, int iw, int ih,
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enum SobelDisplayMode mode, float fScale,
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int blockOperation, int pointOperation);
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extern "C" void setupTexture(int iw, int ih, Pixel *data, int Bpp);
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extern "C" void deleteTexture(void);
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extern "C" void initFilter(void);
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void setupFunctionTables();
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#endif
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