used new device layer for cv::cuda::LUT
authorVladislav Vinogradov <vlad.vinogradov@itseez.com>
Tue, 1 Oct 2013 11:24:17 +0000 (15:24 +0400)
committerVladislav Vinogradov <vlad.vinogradov@itseez.com>
Tue, 1 Oct 2013 11:24:17 +0000 (15:24 +0400)
modules/cudaarithm/src/core.cpp
modules/cudaarithm/src/cuda/lut.cu [new file with mode: 0644]
modules/cudev/include/opencv2/cudev/ptr2d/lut.hpp

index 535485f..eb71d6a 100644 (file)
@@ -130,217 +130,4 @@ void cv::cuda::flip(InputArray _src, OutputArray _dst, int flipCode, Stream& str
     funcs[src.depth()][src.channels() - 1](src, dst, flipCode, StreamAccessor::getStream(stream));
 }
 
-////////////////////////////////////////////////////////////////////////
-// LUT
-
-#if (CUDA_VERSION >= 5000)
-
-namespace
-{
-    class LookUpTableImpl : public LookUpTable
-    {
-    public:
-        LookUpTableImpl(InputArray lut);
-
-        void transform(InputArray src, OutputArray dst, Stream& stream = Stream::Null());
-
-    private:
-        int lut_cn;
-
-        int nValues3[3];
-        const Npp32s* pValues3[3];
-        const Npp32s* pLevels3[3];
-
-        GpuMat d_pLevels;
-        GpuMat d_nppLut;
-        GpuMat d_nppLut3[3];
-    };
-
-    LookUpTableImpl::LookUpTableImpl(InputArray _lut)
-    {
-        nValues3[0] = nValues3[1] = nValues3[2] = 256;
-
-        Npp32s pLevels[256];
-        for (int i = 0; i < 256; ++i)
-            pLevels[i] = i;
-
-        d_pLevels.upload(Mat(1, 256, CV_32S, pLevels));
-        pLevels3[0] = pLevels3[1] = pLevels3[2] = d_pLevels.ptr<Npp32s>();
-
-        GpuMat lut;
-        if (_lut.kind() == _InputArray::GPU_MAT)
-        {
-            lut = _lut.getGpuMat();
-        }
-        else
-        {
-            Mat hLut = _lut.getMat();
-            CV_Assert( hLut.total() == 256 && hLut.isContinuous() );
-            lut.upload(Mat(1, 256, hLut.type(), hLut.data));
-        }
-
-        lut_cn = lut.channels();
-
-        CV_Assert( lut.depth() == CV_8U );
-        CV_Assert( lut.rows == 1 && lut.cols == 256 );
-
-        lut.convertTo(d_nppLut, CV_32S);
-
-        if (lut_cn == 1)
-        {
-            pValues3[0] = pValues3[1] = pValues3[2] = d_nppLut.ptr<Npp32s>();
-        }
-        else
-        {
-            cuda::split(d_nppLut, d_nppLut3);
-
-            pValues3[0] = d_nppLut3[0].ptr<Npp32s>();
-            pValues3[1] = d_nppLut3[1].ptr<Npp32s>();
-            pValues3[2] = d_nppLut3[2].ptr<Npp32s>();
-        }
-    }
-
-    void LookUpTableImpl::transform(InputArray _src, OutputArray _dst, Stream& _stream)
-    {
-        GpuMat src = _src.getGpuMat();
-
-        const int cn = src.channels();
-
-        CV_Assert( src.type() == CV_8UC1 || src.type() == CV_8UC3 );
-        CV_Assert( lut_cn == 1 || lut_cn == cn );
-
-        _dst.create(src.size(), src.type());
-        GpuMat dst = _dst.getGpuMat();
-
-        cudaStream_t stream = StreamAccessor::getStream(_stream);
-
-        NppStreamHandler h(stream);
-
-        NppiSize sz;
-        sz.height = src.rows;
-        sz.width = src.cols;
-
-        if (src.type() == CV_8UC1)
-        {
-            nppSafeCall( nppiLUT_Linear_8u_C1R(src.ptr<Npp8u>(), static_cast<int>(src.step),
-                dst.ptr<Npp8u>(), static_cast<int>(dst.step), sz, d_nppLut.ptr<Npp32s>(), d_pLevels.ptr<Npp32s>(), 256) );
-        }
-        else
-        {
-            nppSafeCall( nppiLUT_Linear_8u_C3R(src.ptr<Npp8u>(), static_cast<int>(src.step),
-                dst.ptr<Npp8u>(), static_cast<int>(dst.step), sz, pValues3, pLevels3, nValues3) );
-        }
-
-        if (stream == 0)
-            cudaSafeCall( cudaDeviceSynchronize() );
-    }
-}
-
-#else //  (CUDA_VERSION >= 5000)
-
-namespace
-{
-    class LookUpTableImpl : public LookUpTable
-    {
-    public:
-        LookUpTableImpl(InputArray lut);
-
-        void transform(InputArray src, OutputArray dst, Stream& stream = Stream::Null());
-
-    private:
-        int lut_cn;
-
-        Npp32s pLevels[256];
-        int nValues3[3];
-        const Npp32s* pValues3[3];
-        const Npp32s* pLevels3[3];
-
-        Mat nppLut;
-        Mat nppLut3[3];
-    };
-
-    LookUpTableImpl::LookUpTableImpl(InputArray _lut)
-    {
-        nValues3[0] = nValues3[1] = nValues3[2] = 256;
-
-        for (int i = 0; i < 256; ++i)
-            pLevels[i] = i;
-        pLevels3[0] = pLevels3[1] = pLevels3[2] = pLevels;
-
-        Mat lut;
-        if (_lut.kind() == _InputArray::GPU_MAT)
-        {
-            lut = Mat(_lut.getGpuMat());
-        }
-        else
-        {
-            Mat hLut = _lut.getMat();
-            CV_Assert( hLut.total() == 256 && hLut.isContinuous() );
-            lut = hLut;
-        }
-
-        lut_cn = lut.channels();
-
-        CV_Assert( lut.depth() == CV_8U );
-        CV_Assert( lut.rows == 1 && lut.cols == 256 );
-
-        lut.convertTo(nppLut, CV_32S);
-
-        if (lut_cn == 1)
-        {
-            pValues3[0] = pValues3[1] = pValues3[2] = nppLut.ptr<Npp32s>();
-        }
-        else
-        {
-            cv::split(nppLut, nppLut3);
-
-            pValues3[0] = nppLut3[0].ptr<Npp32s>();
-            pValues3[1] = nppLut3[1].ptr<Npp32s>();
-            pValues3[2] = nppLut3[2].ptr<Npp32s>();
-        }
-    }
-
-    void LookUpTableImpl::transform(InputArray _src, OutputArray _dst, Stream& _stream)
-    {
-        GpuMat src = _src.getGpuMat();
-
-        const int cn = src.channels();
-
-        CV_Assert( src.type() == CV_8UC1 || src.type() == CV_8UC3 );
-        CV_Assert( lut_cn == 1 || lut_cn == cn );
-
-        _dst.create(src.size(), src.type());
-        GpuMat dst = _dst.getGpuMat();
-
-        cudaStream_t stream = StreamAccessor::getStream(_stream);
-
-        NppStreamHandler h(stream);
-
-        NppiSize sz;
-        sz.height = src.rows;
-        sz.width = src.cols;
-
-        if (src.type() == CV_8UC1)
-        {
-            nppSafeCall( nppiLUT_Linear_8u_C1R(src.ptr<Npp8u>(), static_cast<int>(src.step),
-                dst.ptr<Npp8u>(), static_cast<int>(dst.step), sz, nppLut.ptr<Npp32s>(), pLevels, 256) );
-        }
-        else
-        {
-            nppSafeCall( nppiLUT_Linear_8u_C3R(src.ptr<Npp8u>(), static_cast<int>(src.step),
-                dst.ptr<Npp8u>(), static_cast<int>(dst.step), sz, pValues3, pLevels3, nValues3) );
-        }
-
-        if (stream == 0)
-            cudaSafeCall( cudaDeviceSynchronize() );
-    }
-}
-
-#endif //  (CUDA_VERSION >= 5000)
-
-Ptr<LookUpTable> cv::cuda::createLookUpTable(InputArray lut)
-{
-    return makePtr<LookUpTableImpl>(lut);
-}
-
 #endif /* !defined (HAVE_CUDA) */
diff --git a/modules/cudaarithm/src/cuda/lut.cu b/modules/cudaarithm/src/cuda/lut.cu
new file mode 100644 (file)
index 0000000..a8d5bc5
--- /dev/null
@@ -0,0 +1,207 @@
+/*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*/
+
+#include "opencv2/opencv_modules.hpp"
+
+#ifndef HAVE_OPENCV_CUDEV
+
+#error "opencv_cudev is required"
+
+#else
+
+#include "opencv2/cudaarithm.hpp"
+#include "opencv2/cudev.hpp"
+
+using namespace cv;
+using namespace cv::cudev;
+
+namespace
+{
+    texture<uchar, cudaTextureType1D, cudaReadModeElementType> texLutTable;
+
+    class LookUpTableImpl : public LookUpTable
+    {
+    public:
+        LookUpTableImpl(InputArray lut);
+        ~LookUpTableImpl();
+
+        void transform(InputArray src, OutputArray dst, Stream& stream = Stream::Null());
+
+    private:
+        GpuMat d_lut;
+        cudaTextureObject_t texLutTableObj;
+        bool cc30;
+    };
+
+    LookUpTableImpl::LookUpTableImpl(InputArray _lut)
+    {
+        if (_lut.kind() == _InputArray::GPU_MAT)
+        {
+            d_lut = _lut.getGpuMat();
+        }
+        else
+        {
+            Mat h_lut = _lut.getMat();
+            d_lut.upload(Mat(1, 256, h_lut.type(), h_lut.data));
+        }
+
+        CV_Assert( d_lut.depth() == CV_8U );
+        CV_Assert( d_lut.rows == 1 && d_lut.cols == 256 );
+
+        cc30 = deviceSupports(FEATURE_SET_COMPUTE_30);
+
+        if (cc30)
+        {
+            // Use the texture object
+            cudaResourceDesc texRes;
+            std::memset(&texRes, 0, sizeof(texRes));
+            texRes.resType = cudaResourceTypeLinear;
+            texRes.res.linear.devPtr = d_lut.data;
+            texRes.res.linear.desc = cudaCreateChannelDesc<uchar>();
+            texRes.res.linear.sizeInBytes = 256 * d_lut.channels() * sizeof(uchar);
+
+            cudaTextureDesc texDescr;
+            std::memset(&texDescr, 0, sizeof(texDescr));
+
+            CV_CUDEV_SAFE_CALL( cudaCreateTextureObject(&texLutTableObj, &texRes, &texDescr, 0) );
+        }
+        else
+        {
+            // Use the texture reference
+            cudaChannelFormatDesc desc = cudaCreateChannelDesc<uchar>();
+            CV_CUDEV_SAFE_CALL( cudaBindTexture(0, &texLutTable, d_lut.data, &desc) );
+        }
+    }
+
+    LookUpTableImpl::~LookUpTableImpl()
+    {
+        if (cc30)
+        {
+            // Use the texture object
+            cudaDestroyTextureObject(texLutTableObj);
+        }
+        else
+        {
+            // Use the texture reference
+            cudaUnbindTexture(texLutTable);
+        }
+    }
+
+    struct LutTablePtrC1
+    {
+        typedef uchar value_type;
+        typedef uchar index_type;
+
+        cudaTextureObject_t texLutTableObj;
+
+        __device__ __forceinline__ uchar operator ()(uchar, uchar x) const
+        {
+        #if CV_CUDEV_ARCH < 300
+            // Use the texture reference
+            return tex1Dfetch(texLutTable, x);
+        #else
+            // Use the texture object
+            return tex1Dfetch<uchar>(texLutTableObj, x);
+        #endif
+        }
+    };
+    struct LutTablePtrC3
+    {
+        typedef uchar3 value_type;
+        typedef uchar3 index_type;
+
+        cudaTextureObject_t texLutTableObj;
+
+        __device__ __forceinline__ uchar3 operator ()(const uchar3&, const uchar3& x) const
+        {
+        #if CV_CUDEV_ARCH < 300
+            // Use the texture reference
+            return make_uchar3(tex1Dfetch(texLutTable, x.x * 3), tex1Dfetch(texLutTable, x.y * 3 + 1), tex1Dfetch(texLutTable, x.z * 3 + 2));
+        #else
+            // Use the texture object
+            return make_uchar3(tex1Dfetch<uchar>(texLutTableObj, x.x * 3), tex1Dfetch<uchar>(texLutTableObj, x.y * 3 + 1), tex1Dfetch<uchar>(texLutTableObj, x.z * 3 + 2));
+        #endif
+        }
+    };
+
+    void LookUpTableImpl::transform(InputArray _src, OutputArray _dst, Stream& stream)
+    {
+        GpuMat src = _src.getGpuMat();
+
+        const int cn = src.channels();
+        const int lut_cn = d_lut.channels();
+
+        CV_Assert( src.type() == CV_8UC1 || src.type() == CV_8UC3 );
+        CV_Assert( lut_cn == 1 || lut_cn == cn );
+
+        _dst.create(src.size(), src.type());
+        GpuMat dst = _dst.getGpuMat();
+
+        if (lut_cn == 1)
+        {
+            GpuMat_<uchar> src1(src.reshape(1));
+            GpuMat_<uchar> dst1(dst.reshape(1));
+
+            LutTablePtrC1 tbl;
+            tbl.texLutTableObj = texLutTableObj;
+
+            dst1.assign(lut_(src1, tbl), stream);
+        }
+        else if (lut_cn == 3)
+        {
+            GpuMat_<uchar3>& src3 = (GpuMat_<uchar3>&) src;
+            GpuMat_<uchar3>& dst3 = (GpuMat_<uchar3>&) dst;
+
+            LutTablePtrC3 tbl;
+            tbl.texLutTableObj = texLutTableObj;
+
+            dst3.assign(lut_(src3, tbl), stream);
+        }
+    }
+}
+
+Ptr<LookUpTable> cv::cuda::createLookUpTable(InputArray lut)
+{
+    return makePtr<LookUpTableImpl>(lut);
+}
+
+#endif
index e47719c..accf545 100644 (file)
@@ -47,6 +47,7 @@
 #define __OPENCV_CUDEV_PTR2D_LUT_HPP__
 
 #include "../common.hpp"
+#include "../util/vec_traits.hpp"
 #include "../grid/copy.hpp"
 #include "traits.hpp"
 #include "gpumat.hpp"
@@ -63,7 +64,8 @@ template <class SrcPtr, class TablePtr> struct LutPtr
 
     __device__ __forceinline__ typename PtrTraits<TablePtr>::value_type operator ()(typename PtrTraits<SrcPtr>::index_type y, typename PtrTraits<SrcPtr>::index_type x) const
     {
-        return tbl(0, src(y, x));
+        typedef typename PtrTraits<TablePtr>::index_type tbl_index_type;
+        return tbl(VecTraits<tbl_index_type>::all(0), src(y, x));
     }
 };
 
@@ -81,8 +83,6 @@ template <class SrcPtr, class TablePtr> struct LutPtrSz : LutPtr<SrcPtr, TablePt
 template <class SrcPtr, class TablePtr>
 __host__ LutPtrSz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<TablePtr>::ptr_type> lutPtr(const SrcPtr& src, const TablePtr& tbl)
 {
-    CV_Assert( getRows(tbl) == 1 );
-
     LutPtrSz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<TablePtr>::ptr_type> ptr;
     ptr.src = shrinkPtr(src);
     ptr.tbl = shrinkPtr(tbl);