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updated BrdReflect101 in gpu module

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This commit is contained in:
Alexey Spizhevoy 2010-12-03 13:28:49 +00:00
parent e75ca4b662
commit 103bbaf09c
1 changed files with 66 additions and 2 deletions
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68
modules/gpu/src/cuda/border_interpolate.hpp
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@ -53,12 +53,12 @@ namespace cv { namespace gpu {
__device__ int idx_high(int i) const
{
return last - abs(i - last);
return last - abs(last - i);
}
__device__ int idx(int i) const
{
return i <= last ? idx_low(i) : idx_high(i);
return abs(idx_high(i));
}
bool is_range_safe(int mini, int maxi) const
@ -105,4 +105,68 @@ namespace cv { namespace gpu {
int step;
};
struct BrdReplicate
{
BrdReplicate(int len) : last(len - 1) {}
__device__ int idx_low(int i) const
{
return max(i, 0);
}
__device__ int idx_high(int i) const
{
return min(i, last);
}
__device__ int idx(int i) const
{
return min(max(i, last), 0);
}
bool is_range_safe(int mini, int maxi) const
{
return true;
}
int last;
};
template <typename T>
struct BrdRowReplicate: BrdReplicate
{
BrdRowReplicate(int len) : BrdReplicate(len) {}
__device__ float at_low(int i, const T* data) const
{
return data[idx_low(i)];
}
__device__ float at_high(int i, const T* data) const
{
return data[idx_high(i)];
}
};
template <typename T>
struct BrdColReplicate: BrdReplicate
{
BrdColReplicate(int len, int step) : BrdReplicate(len), step(step) {}
__device__ float at_low(int i, const T* data) const
{
return data[idx_low(i) * step];
}
__device__ float at_high(int i, const T* data) const
{
return data[idx_high(i) * step];
}
int step;
};
}}