149 lines
5.4 KiB
C++
149 lines
5.4 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_PTR2D_TEXTURE_HPP__
|
|
#define __OPENCV_CUDEV_PTR2D_TEXTURE_HPP__
|
|
|
|
#include <cstring>
|
|
#include "../common.hpp"
|
|
#include "glob.hpp"
|
|
#include "gpumat.hpp"
|
|
#include "traits.hpp"
|
|
|
|
namespace cv { namespace cudev {
|
|
|
|
template <typename T> struct TexturePtr
|
|
{
|
|
typedef T value_type;
|
|
typedef float index_type;
|
|
|
|
cudaTextureObject_t texObj;
|
|
|
|
__device__ __forceinline__ T operator ()(float y, float x) const
|
|
{
|
|
return tex2D<T>(texObj, x, y);
|
|
}
|
|
};
|
|
|
|
template <typename T> struct Texture : TexturePtr<T>
|
|
{
|
|
int rows, cols;
|
|
|
|
__host__ explicit Texture(const GlobPtrSz<T>& mat,
|
|
bool normalizedCoords = false,
|
|
cudaTextureFilterMode filterMode = cudaFilterModePoint,
|
|
cudaTextureAddressMode addressMode = cudaAddressModeClamp)
|
|
{
|
|
CV_Assert( deviceSupports(FEATURE_SET_COMPUTE_30) );
|
|
|
|
rows = mat.rows;
|
|
cols = mat.cols;
|
|
|
|
cudaResourceDesc texRes;
|
|
std::memset(&texRes, 0, sizeof(texRes));
|
|
texRes.resType = cudaResourceTypePitch2D;
|
|
texRes.res.pitch2D.devPtr = mat.data;
|
|
texRes.res.pitch2D.height = mat.rows;
|
|
texRes.res.pitch2D.width = mat.cols;
|
|
texRes.res.pitch2D.pitchInBytes = mat.step;
|
|
texRes.res.pitch2D.desc = cudaCreateChannelDesc<T>();
|
|
|
|
cudaTextureDesc texDescr;
|
|
std::memset(&texDescr, 0, sizeof(texDescr));
|
|
texDescr.addressMode[0] = addressMode;
|
|
texDescr.addressMode[1] = addressMode;
|
|
texDescr.addressMode[2] = addressMode;
|
|
texDescr.filterMode = filterMode;
|
|
texDescr.readMode = cudaReadModeElementType;
|
|
texDescr.normalizedCoords = normalizedCoords;
|
|
|
|
CV_CUDEV_SAFE_CALL( cudaCreateTextureObject(&this->texObj, &texRes, &texDescr, 0) );
|
|
}
|
|
|
|
__host__ explicit Texture(const GpuMat_<T>& mat,
|
|
bool normalizedCoords = false,
|
|
cudaTextureFilterMode filterMode = cudaFilterModePoint,
|
|
cudaTextureAddressMode addressMode = cudaAddressModeClamp)
|
|
{
|
|
CV_Assert( deviceSupports(FEATURE_SET_COMPUTE_30) );
|
|
|
|
rows = mat.rows;
|
|
cols = mat.cols;
|
|
|
|
cudaResourceDesc texRes;
|
|
std::memset(&texRes, 0, sizeof(texRes));
|
|
texRes.resType = cudaResourceTypePitch2D;
|
|
texRes.res.pitch2D.devPtr = mat.data;
|
|
texRes.res.pitch2D.height = mat.rows;
|
|
texRes.res.pitch2D.width = mat.cols;
|
|
texRes.res.pitch2D.pitchInBytes = mat.step;
|
|
texRes.res.pitch2D.desc = cudaCreateChannelDesc<T>();
|
|
|
|
cudaTextureDesc texDescr;
|
|
std::memset(&texDescr, 0, sizeof(texDescr));
|
|
texDescr.addressMode[0] = addressMode;
|
|
texDescr.addressMode[1] = addressMode;
|
|
texDescr.addressMode[2] = addressMode;
|
|
texDescr.filterMode = filterMode;
|
|
texDescr.readMode = cudaReadModeElementType;
|
|
texDescr.normalizedCoords = normalizedCoords;
|
|
|
|
CV_CUDEV_SAFE_CALL( cudaCreateTextureObject(&this->texObj, &texRes, &texDescr, 0) );
|
|
}
|
|
|
|
__host__ ~Texture()
|
|
{
|
|
cudaDestroyTextureObject(this->texObj);
|
|
}
|
|
};
|
|
|
|
template <typename T> struct PtrTraits< Texture<T> > : PtrTraitsBase<Texture<T>, TexturePtr<T> >
|
|
{
|
|
};
|
|
|
|
}}
|
|
|
|
#endif
|