Merge branch 'gpu-device-layer'
This commit is contained in:
commit
f017ad5943
modules
core
gpu
CMakeLists.txt
include/opencv2/gpu/device
border_interpolate.hppcolor.hppcommon.hppdatamov_utils.hpp
detail
color_detail.hppreduction_detail.hpptransform_detail.hpptype_traits_detail.hppvec_distance_detail.hpp
dynamic_smem.hppemulation.hppfilters.hppfuncattrib.hppfunctional.hpplimits.hppsaturate_cast.hppscan.hppstatic_check.hpptransform.hpptype_traits.hpputility.hppvec_distance.hppvec_math.hppvec_traits.hppwarp.hppwarp_reduce.hppsrc
@ -4,7 +4,7 @@ ocv_module_include_directories(${ZLIB_INCLUDE_DIR})
|
||||
|
||||
if(HAVE_CUDA)
|
||||
ocv_source_group("Src\\Cuda" GLOB "src/cuda/*.cu")
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||||
ocv_include_directories("${OpenCV_SOURCE_DIR}/modules/gpu/src" "${OpenCV_SOURCE_DIR}/modules/gpu/src/cuda" ${CUDA_INCLUDE_DIRS})
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||||
ocv_include_directories("${OpenCV_SOURCE_DIR}/modules/gpu/include" ${CUDA_INCLUDE_DIRS})
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||||
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wundef)
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||||
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||||
file(GLOB lib_cuda "src/cuda/*.cu")
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||||
|
@ -7,11 +7,11 @@ ocv_add_module(gpu opencv_imgproc opencv_calib3d opencv_objdetect opencv_video o
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|
||||
ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/src/cuda" "${CMAKE_CURRENT_SOURCE_DIR}/../highgui/src")
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||||
file(GLOB lib_hdrs "include/opencv2/${name}/*.hpp" "include/opencv2/${name}/*.h")
|
||||
file(GLOB lib_int_hdrs "src/*.hpp" "src/*.h")
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file(GLOB lib_hdrs "include/opencv2/${name}/*.hpp" "include/opencv2/${name}/*.h")
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file(GLOB lib_device_hdrs "include/opencv2/${name}/device/*.hpp" "include/opencv2/${name}/device/*.h")
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file(GLOB lib_device_hdrs_detail "include/opencv2/${name}/device/detail/*.hpp" "include/opencv2/${name}/device/detail/*.h")
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||||
file(GLOB lib_int_hdrs "src/*.hpp" "src/*.h")
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file(GLOB lib_cuda_hdrs "src/cuda/*.hpp" "src/cuda/*.h")
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file(GLOB lib_device_hdrs "src/opencv2/gpu/device/*.hpp" "src/opencv2/gpu/device/*.h")
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file(GLOB lib_device_hdrs_detail "src/opencv2/gpu/device/detail/*.hpp" "src/opencv2/gpu/device/detail/*.h")
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file(GLOB lib_srcs "src/*.cpp")
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file(GLOB lib_cuda "src/cuda/*.cu*")
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||||
@ -74,8 +74,8 @@ else()
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endif()
|
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ocv_set_module_sources(
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HEADERS ${lib_hdrs}
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SOURCES ${lib_int_hdrs} ${lib_cuda_hdrs} ${lib_device_hdrs} ${lib_device_hdrs_detail} ${lib_srcs} ${lib_cuda} ${ncv_files} ${cuda_objs}
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HEADERS ${lib_hdrs} ${lib_device_hdrs} ${lib_device_hdrs_detail}
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SOURCES ${lib_int_hdrs} ${lib_cuda_hdrs} ${lib_srcs} ${lib_cuda} ${ncv_files} ${cuda_objs}
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)
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ocv_create_module(${cuda_link_libs})
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|
@ -1535,6 +1535,8 @@ namespace cv { namespace gpu { namespace device
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||||
return functor_type(); \
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} \
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||||
};
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|
||||
#undef CV_DESCALE
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||||
}}} // namespace cv { namespace gpu { namespace device
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|
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#endif // __OPENCV_GPU_COLOR_DETAIL_HPP__
|
@ -40,15 +40,15 @@
|
||||
//
|
||||
//M*/
|
||||
|
||||
#ifndef __OPENCV_GPU_UTILITY_DETAIL_HPP__
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#define __OPENCV_GPU_UTILITY_DETAIL_HPP__
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#ifndef __OPENCV_GPU_REDUCTION_DETAIL_HPP__
|
||||
#define __OPENCV_GPU_REDUCTION_DETAIL_HPP__
|
||||
|
||||
namespace cv { namespace gpu { namespace device
|
||||
{
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||||
namespace utility_detail
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||||
{
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// Reduction
|
||||
// Reductor
|
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|
||||
template <int n> struct WarpReductor
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{
|
||||
@ -838,4 +838,4 @@ namespace cv { namespace gpu { namespace device
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||||
} // namespace utility_detail
|
||||
}}} // namespace cv { namespace gpu { namespace device
|
||||
|
||||
#endif // __OPENCV_GPU_UTILITY_DETAIL_HPP__
|
||||
#endif // __OPENCV_GPU_REDUCTION_DETAIL_HPP__
|
@ -203,7 +203,7 @@ namespace cv { namespace gpu { namespace device
|
||||
};
|
||||
|
||||
template <typename T, typename D, typename UnOp, typename Mask>
|
||||
__global__ static void transformSmart(const PtrStepSz<T> src_, PtrStep<D> dst_, const Mask mask, const UnOp op)
|
||||
static __global__ void transformSmart(const PtrStepSz<T> src_, PtrStep<D> dst_, const Mask mask, const UnOp op)
|
||||
{
|
||||
typedef TransformFunctorTraits<UnOp> ft;
|
||||
typedef typename UnaryReadWriteTraits<T, D, ft::smart_shift>::read_type read_type;
|
||||
@ -239,10 +239,10 @@ namespace cv { namespace gpu { namespace device
|
||||
}
|
||||
|
||||
template <typename T, typename D, typename UnOp, typename Mask>
|
||||
static __global__ void transformSimple(const PtrStepSz<T> src, PtrStep<D> dst, const Mask mask, const UnOp op)
|
||||
__global__ static void transformSimple(const PtrStepSz<T> src, PtrStep<D> dst, const Mask mask, const UnOp op)
|
||||
{
|
||||
const int x = blockDim.x * blockIdx.x + threadIdx.x;
|
||||
const int y = blockDim.y * blockIdx.y + threadIdx.y;
|
||||
const int x = blockDim.x * blockIdx.x + threadIdx.x;
|
||||
const int y = blockDim.y * blockIdx.y + threadIdx.y;
|
||||
|
||||
if (x < src.cols && y < src.rows && mask(y, x))
|
||||
{
|
||||
@ -251,7 +251,7 @@ namespace cv { namespace gpu { namespace device
|
||||
}
|
||||
|
||||
template <typename T1, typename T2, typename D, typename BinOp, typename Mask>
|
||||
__global__ static void transformSmart(const PtrStepSz<T1> src1_, const PtrStep<T2> src2_, PtrStep<D> dst_,
|
||||
static __global__ void transformSmart(const PtrStepSz<T1> src1_, const PtrStep<T2> src2_, PtrStep<D> dst_,
|
||||
const Mask mask, const BinOp op)
|
||||
{
|
||||
typedef TransformFunctorTraits<BinOp> ft;
|
||||
@ -294,8 +294,8 @@ namespace cv { namespace gpu { namespace device
|
||||
static __global__ void transformSimple(const PtrStepSz<T1> src1, const PtrStep<T2> src2, PtrStep<D> dst,
|
||||
const Mask mask, const BinOp op)
|
||||
{
|
||||
const int x = blockDim.x * blockIdx.x + threadIdx.x;
|
||||
const int y = blockDim.y * blockIdx.y + threadIdx.y;
|
||||
const int x = blockDim.x * blockIdx.x + threadIdx.x;
|
||||
const int y = blockDim.y * blockIdx.y + threadIdx.y;
|
||||
|
||||
if (x < src1.cols && y < src1.rows && mask(y, x))
|
||||
{
|
0
modules/gpu/src/opencv2/gpu/device/filters.hpp → modules/gpu/include/opencv2/gpu/device/filters.hpp
0
modules/gpu/src/opencv2/gpu/device/filters.hpp → modules/gpu/include/opencv2/gpu/device/filters.hpp
@ -43,7 +43,7 @@
|
||||
#ifndef __OPENCV_GPU_FUNCTIONAL_HPP__
|
||||
#define __OPENCV_GPU_FUNCTIONAL_HPP__
|
||||
|
||||
#include <thrust/functional.h>
|
||||
#include <functional>
|
||||
#include "saturate_cast.hpp"
|
||||
#include "vec_traits.hpp"
|
||||
#include "type_traits.hpp"
|
||||
@ -52,9 +52,8 @@
|
||||
namespace cv { namespace gpu { namespace device
|
||||
{
|
||||
// Function Objects
|
||||
|
||||
using thrust::unary_function;
|
||||
using thrust::binary_function;
|
||||
template<typename Argument, typename Result> struct unary_function : public std::unary_function<Argument, Result> {};
|
||||
template<typename Argument1, typename Argument2, typename Result> struct binary_function : public std::binary_function<Argument1, Argument2, Result> {};
|
||||
|
||||
// Arithmetic Operations
|
||||
template <typename T> struct plus : binary_function<T, T, T>
|
171
modules/gpu/include/opencv2/gpu/device/scan.hpp
Normal file
171
modules/gpu/include/opencv2/gpu/device/scan.hpp
Normal file
@ -0,0 +1,171 @@
|
||||
/*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.
|
||||
// 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*/
|
||||
|
||||
#ifndef __OPENCV_GPU_SCAN_HPP__
|
||||
#define __OPENCV_GPU_SCAN_HPP__
|
||||
|
||||
#include "common.hpp"
|
||||
|
||||
namespace cv { namespace gpu { namespace device
|
||||
{
|
||||
enum ScanKind { EXCLUSIVE = 0, INCLUSIVE = 1 };
|
||||
|
||||
template <ScanKind Kind, typename T, typename F> struct WarpScan
|
||||
{
|
||||
__device__ __forceinline__ WarpScan() {}
|
||||
__device__ __forceinline__ WarpScan(const WarpScan& other) { (void)other; }
|
||||
|
||||
__device__ __forceinline__ T operator()( volatile T *ptr , const unsigned int idx)
|
||||
{
|
||||
const unsigned int lane = idx & 31;
|
||||
F op;
|
||||
|
||||
if ( lane >= 1) ptr [idx ] = op(ptr [idx - 1], ptr [idx]);
|
||||
if ( lane >= 2) ptr [idx ] = op(ptr [idx - 2], ptr [idx]);
|
||||
if ( lane >= 4) ptr [idx ] = op(ptr [idx - 4], ptr [idx]);
|
||||
if ( lane >= 8) ptr [idx ] = op(ptr [idx - 8], ptr [idx]);
|
||||
if ( lane >= 16) ptr [idx ] = op(ptr [idx - 16], ptr [idx]);
|
||||
|
||||
if( Kind == INCLUSIVE )
|
||||
return ptr [idx];
|
||||
else
|
||||
return (lane > 0) ? ptr [idx - 1] : 0;
|
||||
}
|
||||
|
||||
__device__ __forceinline__ unsigned int index(const unsigned int tid)
|
||||
{
|
||||
return tid;
|
||||
}
|
||||
|
||||
__device__ __forceinline__ void init(volatile T *ptr){}
|
||||
|
||||
static const int warp_offset = 0;
|
||||
|
||||
typedef WarpScan<INCLUSIVE, T, F> merge;
|
||||
};
|
||||
|
||||
template <ScanKind Kind , typename T, typename F> struct WarpScanNoComp
|
||||
{
|
||||
__device__ __forceinline__ WarpScanNoComp() {}
|
||||
__device__ __forceinline__ WarpScanNoComp(const WarpScanNoComp& other) { (void)other; }
|
||||
|
||||
__device__ __forceinline__ T operator()( volatile T *ptr , const unsigned int idx)
|
||||
{
|
||||
const unsigned int lane = threadIdx.x & 31;
|
||||
F op;
|
||||
|
||||
ptr [idx ] = op(ptr [idx - 1], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 2], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 4], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 8], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 16], ptr [idx]);
|
||||
|
||||
if( Kind == INCLUSIVE )
|
||||
return ptr [idx];
|
||||
else
|
||||
return (lane > 0) ? ptr [idx - 1] : 0;
|
||||
}
|
||||
|
||||
__device__ __forceinline__ unsigned int index(const unsigned int tid)
|
||||
{
|
||||
return (tid >> warp_log) * warp_smem_stride + 16 + (tid & warp_mask);
|
||||
}
|
||||
|
||||
__device__ __forceinline__ void init(volatile T *ptr)
|
||||
{
|
||||
ptr[threadIdx.x] = 0;
|
||||
}
|
||||
|
||||
static const int warp_smem_stride = 32 + 16 + 1;
|
||||
static const int warp_offset = 16;
|
||||
static const int warp_log = 5;
|
||||
static const int warp_mask = 31;
|
||||
|
||||
typedef WarpScanNoComp<INCLUSIVE, T, F> merge;
|
||||
};
|
||||
|
||||
template <ScanKind Kind , typename T, typename Sc, typename F> struct BlockScan
|
||||
{
|
||||
__device__ __forceinline__ BlockScan() {}
|
||||
__device__ __forceinline__ BlockScan(const BlockScan& other) { (void)other; }
|
||||
|
||||
__device__ __forceinline__ T operator()(volatile T *ptr)
|
||||
{
|
||||
const unsigned int tid = threadIdx.x;
|
||||
const unsigned int lane = tid & warp_mask;
|
||||
const unsigned int warp = tid >> warp_log;
|
||||
|
||||
Sc scan;
|
||||
typename Sc::merge merge_scan;
|
||||
const unsigned int idx = scan.index(tid);
|
||||
|
||||
T val = scan(ptr, idx);
|
||||
__syncthreads ();
|
||||
|
||||
if( warp == 0)
|
||||
scan.init(ptr);
|
||||
__syncthreads ();
|
||||
|
||||
if( lane == 31 )
|
||||
ptr [scan.warp_offset + warp ] = (Kind == INCLUSIVE) ? val : ptr [idx];
|
||||
__syncthreads ();
|
||||
|
||||
if( warp == 0 )
|
||||
merge_scan(ptr, idx);
|
||||
__syncthreads();
|
||||
|
||||
if ( warp > 0)
|
||||
val = ptr [scan.warp_offset + warp - 1] + val;
|
||||
__syncthreads ();
|
||||
|
||||
ptr[idx] = val;
|
||||
__syncthreads ();
|
||||
|
||||
return val ;
|
||||
}
|
||||
|
||||
static const int warp_log = 5;
|
||||
static const int warp_mask = 31;
|
||||
};
|
||||
}}}
|
||||
|
||||
#endif // __OPENCV_GPU_SCAN_HPP__
|
@ -60,8 +60,6 @@ namespace cv { namespace gpu
|
||||
__OPENCV_GPU_HOST_DEVICE__ static void check() {};
|
||||
};
|
||||
}
|
||||
|
||||
using ::cv::gpu::device::Static;
|
||||
}}
|
||||
|
||||
#undef __OPENCV_GPU_HOST_DEVICE__
|
2
modules/gpu/src/opencv2/gpu/device/utility.hpp → modules/gpu/include/opencv2/gpu/device/utility.hpp
2
modules/gpu/src/opencv2/gpu/device/utility.hpp → modules/gpu/include/opencv2/gpu/device/utility.hpp
@ -45,7 +45,7 @@
|
||||
|
||||
#include "saturate_cast.hpp"
|
||||
#include "datamov_utils.hpp"
|
||||
#include "detail/utility_detail.hpp"
|
||||
#include "detail/reduction_detail.hpp"
|
||||
|
||||
namespace cv { namespace gpu { namespace device
|
||||
{
|
@ -42,9 +42,9 @@
|
||||
|
||||
#if !defined CUDA_DISABLER
|
||||
|
||||
#include <opencv2/gpu/device/lbp.hpp>
|
||||
#include <opencv2/gpu/device/vec_traits.hpp>
|
||||
#include <opencv2/gpu/device/saturate_cast.hpp>
|
||||
#include "lbp.hpp"
|
||||
#include "opencv2/gpu/device/vec_traits.hpp"
|
||||
#include "opencv2/gpu/device/saturate_cast.hpp"
|
||||
|
||||
namespace cv { namespace gpu { namespace device
|
||||
{
|
||||
|
@ -1,166 +0,0 @@
|
||||
/*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.
|
||||
// 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*/
|
||||
|
||||
#ifndef __OPENCV_GPU_SCAN_HPP__
|
||||
#define __OPENCV_GPU_SCAN_HPP__
|
||||
|
||||
enum ScanKind { EXCLUSIVE = 0, INCLUSIVE = 1 };
|
||||
|
||||
template <ScanKind Kind, typename T, typename F> struct WarpScan
|
||||
{
|
||||
__device__ __forceinline__ WarpScan() {}
|
||||
__device__ __forceinline__ WarpScan(const WarpScan& other) { (void)other; }
|
||||
|
||||
__device__ __forceinline__ T operator()( volatile T *ptr , const unsigned int idx)
|
||||
{
|
||||
const unsigned int lane = idx & 31;
|
||||
F op;
|
||||
|
||||
if ( lane >= 1) ptr [idx ] = op(ptr [idx - 1], ptr [idx]);
|
||||
if ( lane >= 2) ptr [idx ] = op(ptr [idx - 2], ptr [idx]);
|
||||
if ( lane >= 4) ptr [idx ] = op(ptr [idx - 4], ptr [idx]);
|
||||
if ( lane >= 8) ptr [idx ] = op(ptr [idx - 8], ptr [idx]);
|
||||
if ( lane >= 16) ptr [idx ] = op(ptr [idx - 16], ptr [idx]);
|
||||
|
||||
if( Kind == INCLUSIVE )
|
||||
return ptr [idx];
|
||||
else
|
||||
return (lane > 0) ? ptr [idx - 1] : 0;
|
||||
}
|
||||
|
||||
__device__ __forceinline__ unsigned int index(const unsigned int tid)
|
||||
{
|
||||
return tid;
|
||||
}
|
||||
|
||||
__device__ __forceinline__ void init(volatile T *ptr){}
|
||||
|
||||
static const int warp_offset = 0;
|
||||
|
||||
typedef WarpScan<INCLUSIVE, T, F> merge;
|
||||
};
|
||||
|
||||
template <ScanKind Kind , typename T, typename F> struct WarpScanNoComp
|
||||
{
|
||||
__device__ __forceinline__ WarpScanNoComp() {}
|
||||
__device__ __forceinline__ WarpScanNoComp(const WarpScanNoComp& other) { (void)other; }
|
||||
|
||||
__device__ __forceinline__ T operator()( volatile T *ptr , const unsigned int idx)
|
||||
{
|
||||
const unsigned int lane = threadIdx.x & 31;
|
||||
F op;
|
||||
|
||||
ptr [idx ] = op(ptr [idx - 1], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 2], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 4], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 8], ptr [idx]);
|
||||
ptr [idx ] = op(ptr [idx - 16], ptr [idx]);
|
||||
|
||||
if( Kind == INCLUSIVE )
|
||||
return ptr [idx];
|
||||
else
|
||||
return (lane > 0) ? ptr [idx - 1] : 0;
|
||||
}
|
||||
|
||||
__device__ __forceinline__ unsigned int index(const unsigned int tid)
|
||||
{
|
||||
return (tid >> warp_log) * warp_smem_stride + 16 + (tid & warp_mask);
|
||||
}
|
||||
|
||||
__device__ __forceinline__ void init(volatile T *ptr)
|
||||
{
|
||||
ptr[threadIdx.x] = 0;
|
||||
}
|
||||
|
||||
static const int warp_smem_stride = 32 + 16 + 1;
|
||||
static const int warp_offset = 16;
|
||||
static const int warp_log = 5;
|
||||
static const int warp_mask = 31;
|
||||
|
||||
typedef WarpScanNoComp<INCLUSIVE, T, F> merge;
|
||||
};
|
||||
|
||||
template <ScanKind Kind , typename T, typename Sc, typename F> struct BlockScan
|
||||
{
|
||||
__device__ __forceinline__ BlockScan() {}
|
||||
__device__ __forceinline__ BlockScan(const BlockScan& other) { (void)other; }
|
||||
|
||||
__device__ __forceinline__ T operator()(volatile T *ptr)
|
||||
{
|
||||
const unsigned int tid = threadIdx.x;
|
||||
const unsigned int lane = tid & warp_mask;
|
||||
const unsigned int warp = tid >> warp_log;
|
||||
|
||||
Sc scan;
|
||||
typename Sc::merge merge_scan;
|
||||
const unsigned int idx = scan.index(tid);
|
||||
|
||||
T val = scan(ptr, idx);
|
||||
__syncthreads ();
|
||||
|
||||
if( warp == 0)
|
||||
scan.init(ptr);
|
||||
__syncthreads ();
|
||||
|
||||
if( lane == 31 )
|
||||
ptr [scan.warp_offset + warp ] = (Kind == INCLUSIVE) ? val : ptr [idx];
|
||||
__syncthreads ();
|
||||
|
||||
if( warp == 0 )
|
||||
merge_scan(ptr, idx);
|
||||
__syncthreads();
|
||||
|
||||
if ( warp > 0)
|
||||
val = ptr [scan.warp_offset + warp - 1] + val;
|
||||
__syncthreads ();
|
||||
|
||||
ptr[idx] = val;
|
||||
__syncthreads ();
|
||||
|
||||
return val ;
|
||||
}
|
||||
|
||||
static const int warp_log = 5;
|
||||
static const int warp_mask = 31;
|
||||
};
|
||||
|
||||
#endif
|
Loading…
x
Reference in New Issue
Block a user