134 lines
4.4 KiB
C++
134 lines
4.4 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
|
//
|
|
// By downloading, copying, installing or using the software you agree to this license.
|
|
// If you do not agree to this license, do not download, install,
|
|
// copy or use the software.
|
|
//
|
|
//
|
|
// License Agreement
|
|
// For Open Source Computer Vision Library
|
|
//
|
|
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
|
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
|
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
|
|
// Third party copyrights are property of their respective owners.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
|
// are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistribution's of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
//
|
|
// * Redistribution's in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
//
|
|
// * The name of the copyright holders may not be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// This software is provided by the copyright holders and contributors "as is" and
|
|
// any express or implied warranties, including, but not limited to, the implied
|
|
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
|
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
|
// indirect, incidental, special, exemplary, or consequential damages
|
|
// (including, but not limited to, procurement of substitute goods or services;
|
|
// loss of use, data, or profits; or business interruption) however caused
|
|
// and on any theory of liability, whether in contract, strict liability,
|
|
// or tort (including negligence or otherwise) arising in any way out of
|
|
// the use of this software, even if advised of the possibility of such damage.
|
|
//
|
|
//M*/
|
|
|
|
#pragma once
|
|
|
|
#ifndef OPENCV_CUDEV_BLOCK_BLOCK_HPP
|
|
#define OPENCV_CUDEV_BLOCK_BLOCK_HPP
|
|
|
|
#include "../common.hpp"
|
|
|
|
namespace cv { namespace cudev {
|
|
|
|
//! @addtogroup cudev
|
|
//! @{
|
|
|
|
struct Block
|
|
{
|
|
__device__ __forceinline__ static uint blockId()
|
|
{
|
|
return (blockIdx.z * gridDim.y + blockIdx.y) * gridDim.x + blockIdx.x;
|
|
}
|
|
|
|
__device__ __forceinline__ static uint blockSize()
|
|
{
|
|
return blockDim.x * blockDim.y * blockDim.z;
|
|
}
|
|
|
|
__device__ __forceinline__ static uint threadLineId()
|
|
{
|
|
return (threadIdx.z * blockDim.y + threadIdx.y) * blockDim.x + threadIdx.x;
|
|
}
|
|
};
|
|
|
|
template <class It, typename T>
|
|
__device__ __forceinline__ static void blockFill(It beg, It end, const T& value)
|
|
{
|
|
uint STRIDE = Block::blockSize();
|
|
It t = beg + Block::threadLineId();
|
|
|
|
for(; t < end; t += STRIDE)
|
|
*t = value;
|
|
}
|
|
|
|
template <class OutIt, typename T>
|
|
__device__ __forceinline__ static void blockYota(OutIt beg, OutIt end, T value)
|
|
{
|
|
uint STRIDE = Block::blockSize();
|
|
uint tid = Block::threadLineId();
|
|
value += tid;
|
|
|
|
for(OutIt t = beg + tid; t < end; t += STRIDE, value += STRIDE)
|
|
*t = value;
|
|
}
|
|
|
|
template <class InIt, class OutIt>
|
|
__device__ __forceinline__ static void blockCopy(InIt beg, InIt end, OutIt out)
|
|
{
|
|
uint STRIDE = Block::blockSize();
|
|
InIt t = beg + Block::threadLineId();
|
|
OutIt o = out + (t - beg);
|
|
|
|
for(; t < end; t += STRIDE, o += STRIDE)
|
|
*o = *t;
|
|
}
|
|
|
|
template <class InIt, class OutIt, class UnOp>
|
|
__device__ __forceinline__ static void blockTransform(InIt beg, InIt end, OutIt out, const UnOp& op)
|
|
{
|
|
uint STRIDE = Block::blockSize();
|
|
InIt t = beg + Block::threadLineId();
|
|
OutIt o = out + (t - beg);
|
|
|
|
for(; t < end; t += STRIDE, o += STRIDE)
|
|
*o = op(*t);
|
|
}
|
|
|
|
template <class InIt1, class InIt2, class OutIt, class BinOp>
|
|
__device__ __forceinline__ static void blockTransform(InIt1 beg1, InIt1 end1, InIt2 beg2, OutIt out, const BinOp& op)
|
|
{
|
|
uint STRIDE = Block::blockSize();
|
|
InIt1 t1 = beg1 + Block::threadLineId();
|
|
InIt2 t2 = beg2 + Block::threadLineId();
|
|
OutIt o = out + (t1 - beg1);
|
|
|
|
for(; t1 < end1; t1 += STRIDE, t2 += STRIDE, o += STRIDE)
|
|
*o = op(*t1, *t2);
|
|
}
|
|
|
|
//! @}
|
|
|
|
}}
|
|
|
|
#endif
|