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316 lines
10 KiB
Common Lisp
316 lines
10 KiB
Common Lisp
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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// Copyright (C) 2014, Advanced Micro Devices, Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////Macro for border type////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////////////////////////
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#ifdef BORDER_CONSTANT
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//CCCCCC|abcdefgh|CCCCCCC
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#define EXTRAPOLATE(x, maxV)
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#elif defined BORDER_REPLICATE
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//aaaaaa|abcdefgh|hhhhhhh
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = clamp((x), 0, (maxV)-1); \
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}
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#elif defined BORDER_WRAP
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//cdefgh|abcdefgh|abcdefg
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = ( (x) + (maxV) ) % (maxV); \
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}
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#elif defined BORDER_REFLECT
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//fedcba|abcdefgh|hgfedcb
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = min( mad24((maxV)-1,2,-(x))+1 , max((x),-(x)-1) ); \
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}
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#elif defined BORDER_REFLECT_101 || defined BORDER_REFLECT101
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//gfedcb|abcdefgh|gfedcba
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#define EXTRAPOLATE(x, maxV) \
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{ \
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(x) = min( mad24((maxV)-1,2,-(x)), max((x),-(x)) ); \
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}
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#else
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#error No extrapolation method
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#endif
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#define SRC(_x,_y) convert_float(((global SRCTYPE*)(Src+(_y)*src_step))[_x])
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#ifdef BORDER_CONSTANT
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//CCCCCC|abcdefgh|CCCCCCC
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#define ELEM(_x,_y,r_edge,t_edge,const_v) (_x)<0 | (_x) >= (r_edge) | (_y)<0 | (_y) >= (t_edge) ? (const_v) : SRC((_x),(_y))
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#else
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#define ELEM(_x,_y,r_edge,t_edge,const_v) SRC((_x),(_y))
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#endif
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#define DSTX(_x,_y) (((global float*)(DstX+DstXOffset+(_y)*DstXPitch))[_x])
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#define DSTY(_x,_y) (((global float*)(DstY+DstYOffset+(_y)*DstYPitch))[_x])
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#define INIT_AND_READ_LOCAL_SOURCE(width, height, fill_const, kernel_border) \
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int srcX = x + srcOffsetX - (kernel_border); \
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int srcY = y + srcOffsetY - (kernel_border); \
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int xb = srcX; \
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int yb = srcY; \
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\
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EXTRAPOLATE(xb, (width)); \
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EXTRAPOLATE(yb, (height)); \
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lsmem[liy][lix] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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\
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if(lix < ((kernel_border)*2)) \
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{ \
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int xb = srcX+BLK_X; \
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EXTRAPOLATE(xb,(width)); \
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lsmem[liy][lix+BLK_X] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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} \
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if(liy< ((kernel_border)*2)) \
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{ \
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int yb = srcY+BLK_Y; \
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EXTRAPOLATE(yb, (height)); \
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lsmem[liy+BLK_Y][lix] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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} \
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if(lix<((kernel_border)*2) && liy<((kernel_border)*2)) \
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{ \
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int xb = srcX+BLK_X; \
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int yb = srcY+BLK_Y; \
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EXTRAPOLATE(xb,(width)); \
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EXTRAPOLATE(yb,(height)); \
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lsmem[liy+BLK_Y][lix+BLK_X] = ELEM(xb, yb, (width), (height), (fill_const) ); \
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}
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__kernel void sobel3(__global const uchar * Src, int src_step, int srcOffsetX, int srcOffsetY,
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__global uchar * DstX, int DstXPitch, int DstXOffset,
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__global uchar * DstY, int DstYPitch, int DstYOffset, int dstHeight, int dstWidth,
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int height, int width, float scale)
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{
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__local float lsmem[BLK_Y+2][BLK_X+2];
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int lix = get_local_id(0);
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int liy = get_local_id(1);
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int x = (int)get_global_id(0);
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int y = (int)get_global_id(1);
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INIT_AND_READ_LOCAL_SOURCE(width, height, 0, 1)
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barrier(CLK_LOCAL_MEM_FENCE);
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if( x >= dstWidth || y >=dstHeight ) return;
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float u1 = lsmem[liy][lix];
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float u2 = lsmem[liy][lix+1];
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float u3 = lsmem[liy][lix+2];
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float m1 = lsmem[liy+1][lix];
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float m3 = lsmem[liy+1][lix+2];
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float b1 = lsmem[liy+2][lix];
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float b2 = lsmem[liy+2][lix+1];
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float b3 = lsmem[liy+2][lix+2];
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//calc and store dx and dy;//
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#ifdef SCHARR
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DSTX(x,y) = mad(10.0f, m3 - m1, 3.0f * (u3 - u1 + b3 - b1)) * scale;
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DSTY(x,y) = mad(10.0f, b2 - u2, 3.0f * (b1 - u1 + b3 - u3)) * scale;
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#else
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DSTX(x,y) = mad(2.0f, m3 - m1, u3 - u1 + b3 - b1) * scale;
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DSTY(x,y) = mad(2.0f, b2 - u2, b1 - u1 + b3 - u3) * scale;
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#endif
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}
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__kernel void sobel5(__global const uchar * Src, int src_step, int srcOffsetX, int srcOffsetY,
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__global uchar * DstX, int DstXPitch, int DstXOffset,
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__global uchar * DstY, int DstYPitch, int DstYOffset, int dstHeight, int dstWidth,
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int height, int width, float scale)
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{
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__local float lsmem[BLK_Y+4][BLK_X+4];
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int lix = get_local_id(0);
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int liy = get_local_id(1);
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int x = (int)get_global_id(0);
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int y = (int)get_global_id(1);
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INIT_AND_READ_LOCAL_SOURCE(width, height, 0, 2)
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barrier(CLK_LOCAL_MEM_FENCE);
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if( x >= dstWidth || y >=dstHeight ) return;
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float t1 = lsmem[liy][lix];
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float t2 = lsmem[liy][lix+1];
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float t3 = lsmem[liy][lix+2];
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float t4 = lsmem[liy][lix+3];
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float t5 = lsmem[liy][lix+4];
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float u1 = lsmem[liy+1][lix];
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float u2 = lsmem[liy+1][lix+1];
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float u3 = lsmem[liy+1][lix+2];
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float u4 = lsmem[liy+1][lix+3];
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float u5 = lsmem[liy+1][lix+4];
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float m1 = lsmem[liy+2][lix];
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float m2 = lsmem[liy+2][lix+1];
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float m4 = lsmem[liy+2][lix+3];
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float m5 = lsmem[liy+2][lix+4];
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float l1 = lsmem[liy+3][lix];
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float l2 = lsmem[liy+3][lix+1];
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float l3 = lsmem[liy+3][lix+2];
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float l4 = lsmem[liy+3][lix+3];
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float l5 = lsmem[liy+3][lix+4];
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float b1 = lsmem[liy+4][lix];
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float b2 = lsmem[liy+4][lix+1];
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float b3 = lsmem[liy+4][lix+2];
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float b4 = lsmem[liy+4][lix+3];
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float b5 = lsmem[liy+4][lix+4];
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//calc and store dx and dy;//
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DSTX(x,y) = scale *
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mad(12.0f, m4 - m2,
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mad(6.0f, m5 - m1,
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mad(8.0f, u4 - u2 + l4 - l2,
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mad(4.0f, u5 - u1 + l5 - l1,
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mad(2.0f, t4 - t2 + b4 - b2, t5 - t1 + b5 - b1 )
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)
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)
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)
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);
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DSTY(x,y) = scale *
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mad(12.0f, l3 - u3,
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mad(6.0f, b3 - t3,
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mad(8.0f, l2 - u2 + l4 - u4,
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mad(4.0f, b2 - t2 + b4 - t4,
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mad(2.0f, l1 - u1 + l5 - u5, b1 - t1 + b5 - t5 )
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)
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)
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)
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);
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}
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__kernel void sobel7(__global const uchar * Src, int src_step, int srcOffsetX, int srcOffsetY,
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__global uchar * DstX, int DstXPitch, int DstXOffset,
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__global uchar * DstY, int DstYPitch, int DstYOffset, int dstHeight, int dstWidth,
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int height, int width, float scale)
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{
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__local float lsmem[BLK_Y+6][BLK_X+6];
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int lix = get_local_id(0);
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int liy = get_local_id(1);
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int x = (int)get_global_id(0);
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int y = (int)get_global_id(1);
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INIT_AND_READ_LOCAL_SOURCE(width, height, 0, 3)
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barrier(CLK_LOCAL_MEM_FENCE);
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if( x >= dstWidth || y >=dstHeight ) return;
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float tt1 = lsmem[liy][lix];
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float tt2 = lsmem[liy][lix+1];
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float tt3 = lsmem[liy][lix+2];
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float tt4 = lsmem[liy][lix+3];
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float tt5 = lsmem[liy][lix+4];
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float tt6 = lsmem[liy][lix+5];
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float tt7 = lsmem[liy][lix+6];
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float t1 = lsmem[liy+1][lix];
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float t2 = lsmem[liy+1][lix+1];
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float t3 = lsmem[liy+1][lix+2];
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float t4 = lsmem[liy+1][lix+3];
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float t5 = lsmem[liy+1][lix+4];
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float t6 = lsmem[liy+1][lix+5];
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float t7 = lsmem[liy+1][lix+6];
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float u1 = lsmem[liy+2][lix];
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float u2 = lsmem[liy+2][lix+1];
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float u3 = lsmem[liy+2][lix+2];
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float u4 = lsmem[liy+2][lix+3];
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float u5 = lsmem[liy+2][lix+4];
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float u6 = lsmem[liy+2][lix+5];
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float u7 = lsmem[liy+2][lix+6];
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float m1 = lsmem[liy+3][lix];
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float m2 = lsmem[liy+3][lix+1];
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float m3 = lsmem[liy+3][lix+2];
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float m5 = lsmem[liy+3][lix+4];
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float m6 = lsmem[liy+3][lix+5];
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float m7 = lsmem[liy+3][lix+6];
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float l1 = lsmem[liy+4][lix];
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float l2 = lsmem[liy+4][lix+1];
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float l3 = lsmem[liy+4][lix+2];
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float l4 = lsmem[liy+4][lix+3];
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float l5 = lsmem[liy+4][lix+4];
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float l6 = lsmem[liy+4][lix+5];
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float l7 = lsmem[liy+4][lix+6];
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float b1 = lsmem[liy+5][lix];
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float b2 = lsmem[liy+5][lix+1];
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float b3 = lsmem[liy+5][lix+2];
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float b4 = lsmem[liy+5][lix+3];
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float b5 = lsmem[liy+5][lix+4];
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float b6 = lsmem[liy+5][lix+5];
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float b7 = lsmem[liy+5][lix+6];
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float bb1 = lsmem[liy+6][lix];
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float bb2 = lsmem[liy+6][lix+1];
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float bb3 = lsmem[liy+6][lix+2];
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float bb4 = lsmem[liy+6][lix+3];
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float bb5 = lsmem[liy+6][lix+4];
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float bb6 = lsmem[liy+6][lix+5];
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float bb7 = lsmem[liy+6][lix+6];
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//calc and store dx and dy
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DSTX(x,y) = scale *
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mad(100.0f, m5 - m3,
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mad(80.0f, m6 - m2,
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mad(20.0f, m7 - m1,
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mad(75.0f, u5 - u3 + l5 - l3,
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mad(60.0f, u6 - u2 + l6 - l2,
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mad(15.0f, u7 - u1 + l7 - l1,
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mad(30.0f, t5 - t3 + b5 - b3,
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mad(24.0f, t6 - t2 + b6 - b2,
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mad(6.0f, t7 - t1 + b7 - b1,
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mad(5.0f, tt5 - tt3 + bb5 - bb3,
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mad(4.0f, tt6 - tt2 + bb6 - bb2, tt7 - tt1 + bb7 - bb1 )
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)
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)
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)
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)
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)
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)
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)
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)
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)
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);
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DSTY(x,y) = scale *
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mad(100.0f, l4 - u4,
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mad(80.0f, b4 - t4,
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mad(20.0f, bb4 - tt4,
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mad(75.0f, l5 - u5 + l3 - u3,
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mad(60.0f, b5 - t5 + b3 - t3,
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mad(15.0f, bb5 - tt5 + bb3 - tt3,
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mad(30.0f, l6 - u6 + l2 - u2,
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mad(24.0f, b6 - t6 + b2 - t2,
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mad(6.0f, bb6 - tt6 + bb2 - tt2,
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mad(5.0f, l7 - u7 + l1 - u1,
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mad(4.0f, b7 - t7 + b1 - t1, bb7 - tt7 + bb1 - tt1 )
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)
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)
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)
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)
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)
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)
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)
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)
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)
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);
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}
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