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Added license header, using cv::Ptr, small fixes.

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This commit is contained in:
Alexander Karsakov
2014-07-25 13:11:35 +04:00
parent 66ac46214d
commit 37d01e2d27
3 changed files with 126 additions and 120 deletions
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47
modules/core/src/opencl/fft.cl
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@@ -1,3 +1,10 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
// Copyright (C) 2014, Itseez, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
#define SQRT_2 0.707106781188f
#define sin_120 0.866025403784f
#define fft5_2 0.559016994374f
@@ -509,9 +516,9 @@ void fft_radix5_B2(__local float2* smem, __global const float2* twiddles, const
}
#ifdef DFT_SCALE
#define VAL(x, scale) x*scale
#define SCALE_VAL(x, scale) x*scale
#else
#define VAL(x, scale) x
#define SCALE_VAL(x, scale) x
#endif
__kernel void fft_multi_radix_rows(__global const uchar* src_ptr, int src_step, int src_offset, int src_rows, int src_cols,
@@ -558,15 +565,15 @@ __kernel void fft_multi_radix_rows(__global const uchar* src_ptr, int src_step,
__global float2* dst = (__global float2*)(dst_ptr + mad24(y, dst_step, dst_offset));
#pragma unroll
for (int i=x; i<cols; i+=block_size)
dst[i] = VAL(smem[i], scale);
dst[i] = SCALE_VAL(smem[i], scale);
#else
// pack row to CCS
__local float* smem_1cn = (__local float*) smem;
__global float* dst = (__global float*)(dst_ptr + mad24(y, dst_step, dst_offset));
for (int i=x; i<dst_cols-1; i+=block_size)
dst[i+1] = VAL(smem_1cn[i+2], scale);
dst[i+1] = SCALE_VAL(smem_1cn[i+2], scale);
if (x == 0)
dst[0] = VAL(smem_1cn[0], scale);
dst[0] = SCALE_VAL(smem_1cn[0], scale);
#endif
}
else
@@ -611,7 +618,7 @@ __kernel void fft_multi_radix_cols(__global const uchar* src_ptr, int src_step,
__global uchar* dst = dst_ptr + mad24(y, dst_step, mad24(x, (int)(sizeof(float)*2), dst_offset));
#pragma unroll
for (int i=0; i<kercn; i++)
*((__global float2*)(dst + i*block_size*dst_step)) = VAL(smem[y + i*block_size], scale);
*((__global float2*)(dst + i*block_size*dst_step)) = SCALE_VAL(smem[y + i*block_size], scale);
#else
if (x == 0)
{
@@ -619,9 +626,9 @@ __kernel void fft_multi_radix_cols(__global const uchar* src_ptr, int src_step,
__local float* smem_1cn = (__local float*) smem;
__global uchar* dst = dst_ptr + mad24(y+1, dst_step, dst_offset);
for (int i=y; i<dst_rows-1; i+=block_size, dst+=dst_step*block_size)
*((__global float*) dst) = VAL(smem_1cn[i+2], scale);
*((__global float*) dst) = SCALE_VAL(smem_1cn[i+2], scale);
if (y == 0)
*((__global float*) (dst_ptr + dst_offset)) = VAL(smem_1cn[0], scale);
*((__global float*) (dst_ptr + dst_offset)) = SCALE_VAL(smem_1cn[0], scale);
}
else if (x == (dst_cols+1)/2)
{
@@ -629,16 +636,16 @@ __kernel void fft_multi_radix_cols(__global const uchar* src_ptr, int src_step,
__local float* smem_1cn = (__local float*) smem;
__global uchar* dst = dst_ptr + mad24(dst_cols-1, (int)sizeof(float), mad24(y+1, dst_step, dst_offset));
for (int i=y; i<dst_rows-1; i+=block_size, dst+=dst_step*block_size)
*((__global float*) dst) = VAL(smem_1cn[i+2], scale);
*((__global float*) dst) = SCALE_VAL(smem_1cn[i+2], scale);
if (y == 0)
*((__global float*) (dst_ptr + mad24(dst_cols-1, (int)sizeof(float), dst_offset))) = VAL(smem_1cn[0], scale);
*((__global float*) (dst_ptr + mad24(dst_cols-1, (int)sizeof(float), dst_offset))) = SCALE_VAL(smem_1cn[0], scale);
}
else
{
__global uchar* dst = dst_ptr + mad24(x, (int)sizeof(float)*2, mad24(y, dst_step, dst_offset - (int)sizeof(float)));
#pragma unroll
for (int i=y; i<dst_rows; i+=block_size, dst+=block_size*dst_step)
vstore2(VAL(smem[i], scale), 0, (__global float*) dst);
vstore2(SCALE_VAL(smem[i], scale), 0, (__global float*) dst);
}
#endif
}
@@ -724,15 +731,15 @@ __kernel void ifft_multi_radix_rows(__global const uchar* src_ptr, int src_step,
#pragma unroll
for (int i=0; i<kercn; i++)
{
dst[i*block_size].x = VAL(smem[x + i*block_size].x, scale);
dst[i*block_size].y = VAL(-smem[x + i*block_size].y, scale);
dst[i*block_size].x = SCALE_VAL(smem[x + i*block_size].x, scale);
dst[i*block_size].y = SCALE_VAL(-smem[x + i*block_size].y, scale);
}
#else
__global float* dst = (__global float*)(dst_ptr + mad24(y, dst_step, mad24(x, (int)(sizeof(float)), dst_offset)));
#pragma unroll
for (int i=0; i<kercn; i++)
{
dst[i*block_size] = VAL(smem[x + i*block_size].x, scale);
dst[i*block_size] = SCALE_VAL(smem[x + i*block_size].x, scale);
}
#endif
}
@@ -783,9 +790,9 @@ __kernel void ifft_multi_radix_cols(__global const uchar* src_ptr, int src_step,
#pragma unroll
for (int i=0; i<kercn; i++)
{
__global float2* rez = (__global float2*)(dst + i*block_size*dst_step);
rez[0].x = smem[y + i*block_size].x;
rez[0].y = -smem[y + i*block_size].y;
__global float2* res = (__global float2*)(dst + i*block_size*dst_step);
res[0].x = smem[y + i*block_size].x;
res[0].y = -smem[y + i*block_size].y;
}
}
#else
@@ -848,9 +855,9 @@ __kernel void ifft_multi_radix_cols(__global const uchar* src_ptr, int src_step,
#pragma unroll
for (int i=0; i<kercn; i++)
{
__global float2* rez = (__global float2*)(dst + i*block_size*dst_step);
rez[0].x = smem[y + i*block_size].x;
rez[0].y = -smem[y + i*block_size].y;
__global float2* res = (__global float2*)(dst + i*block_size*dst_step);
res[0].x = smem[y + i*block_size].x;
res[0].y = -smem[y + i*block_size].y;
}
}
#endif