mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-11-25 02:39:15 +08:00
611 lines
22 KiB
C++
611 lines
22 KiB
C++
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "cudaNvSci.h"
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#include <cuda.h>
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#include <condition_variable>
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#include <iostream>
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#include <thread>
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std::mutex m_mutex;
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std::condition_variable m_condVar;
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bool workSubmitted = false;
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class cudaNvSciSignal {
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private:
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NvSciSyncModule m_syncModule;
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NvSciBufModule m_bufModule;
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NvSciSyncAttrList m_syncAttrList;
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NvSciSyncFence *m_fence;
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NvSciBufAttrList m_rawBufAttrList;
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NvSciBufAttrList m_imageBufAttrList;
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NvSciBufAttrList m_buffAttrListOut[2];
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NvSciBufAttrKeyValuePair pairArrayOut[10];
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cudaExternalMemory_t extMemRawBuf, extMemImageBuf;
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cudaMipmappedArray_t d_mipmapArray;
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cudaArray_t d_mipLevelArray;
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cudaTextureObject_t texObject;
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cudaExternalSemaphore_t signalSem;
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cudaStream_t streamToRun;
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int m_cudaDeviceId;
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CUuuid m_devUUID;
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uint64_t m_imageWidth;
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uint64_t m_imageHeight;
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void *d_outputBuf;
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size_t m_bufSize;
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public:
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cudaNvSciSignal(NvSciBufModule bufModule, NvSciSyncModule syncModule,
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int cudaDeviceId, int bufSize, uint64_t imageWidth,
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uint64_t imageHeight, NvSciSyncFence *fence)
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: m_syncModule(syncModule),
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m_bufModule(bufModule),
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m_cudaDeviceId(cudaDeviceId),
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d_outputBuf(NULL),
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m_bufSize(bufSize),
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m_imageWidth(imageWidth),
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m_imageHeight(imageHeight),
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m_fence(fence) {
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initCuda();
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checkNvSciErrors(NvSciSyncAttrListCreate(m_syncModule, &m_syncAttrList));
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checkNvSciErrors(NvSciBufAttrListCreate(m_bufModule, &m_rawBufAttrList));
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checkNvSciErrors(NvSciBufAttrListCreate(m_bufModule, &m_imageBufAttrList));
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setRawBufAttrList(m_bufSize);
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setImageBufAttrList(m_imageWidth, m_imageHeight);
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checkCudaErrors(cudaDeviceGetNvSciSyncAttributes(
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m_syncAttrList, m_cudaDeviceId, cudaNvSciSyncAttrSignal));
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}
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~cudaNvSciSignal() {
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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checkCudaErrors(cudaFreeMipmappedArray(d_mipmapArray));
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checkCudaErrors(cudaFree(d_outputBuf));
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checkCudaErrors(cudaDestroyExternalSemaphore(signalSem));
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checkCudaErrors(cudaDestroyExternalMemory(extMemRawBuf));
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checkCudaErrors(cudaDestroyExternalMemory(extMemImageBuf));
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checkCudaErrors(cudaDestroyTextureObject(texObject));
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checkCudaErrors(cudaStreamDestroy(streamToRun));
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}
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void initCuda() {
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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checkCudaErrors(
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cudaStreamCreateWithFlags(&streamToRun, cudaStreamNonBlocking));
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int major = 0, minor = 0;
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checkCudaErrors(cudaDeviceGetAttribute(
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&major, cudaDevAttrComputeCapabilityMajor, m_cudaDeviceId));
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checkCudaErrors(cudaDeviceGetAttribute(
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&minor, cudaDevAttrComputeCapabilityMinor, m_cudaDeviceId));
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printf(
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"[cudaNvSciSignal] GPU Device %d: \"%s\" with compute capability "
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"%d.%d\n\n",
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m_cudaDeviceId, _ConvertSMVer2ArchName(major, minor), major, minor);
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#ifdef cuDeviceGetUuid_v2
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CUresult res = cuDeviceGetUuid_v2(&m_devUUID, m_cudaDeviceId);
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#else
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CUresult res = cuDeviceGetUuid(&m_devUUID, m_cudaDeviceId);
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#endif
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if (res != CUDA_SUCCESS) {
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fprintf(stderr, "Driver API error = %04d \n", res);
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exit(EXIT_FAILURE);
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}
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}
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void setRawBufAttrList(uint64_t size) {
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NvSciBufType bufType = NvSciBufType_RawBuffer;
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bool cpuAccess = false;
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NvSciBufAttrValAccessPerm perm = NvSciBufAccessPerm_ReadWrite;
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NvSciBufAttrKeyValuePair rawBufAttrs[] = {
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{NvSciBufRawBufferAttrKey_Size, &size, sizeof(size)},
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{NvSciBufGeneralAttrKey_Types, &bufType, sizeof(bufType)},
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{NvSciBufGeneralAttrKey_NeedCpuAccess, &cpuAccess, sizeof(cpuAccess)},
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{NvSciBufGeneralAttrKey_RequiredPerm, &perm, sizeof(perm)},
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{NvSciBufGeneralAttrKey_GpuId, &m_devUUID, sizeof(m_devUUID)},
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};
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checkNvSciErrors(NvSciBufAttrListSetAttrs(
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m_rawBufAttrList, rawBufAttrs,
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sizeof(rawBufAttrs) / sizeof(NvSciBufAttrKeyValuePair)));
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}
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void setImageBufAttrList(uint32_t width, uint32_t height) {
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NvSciBufType bufType = NvSciBufType_Image;
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NvSciBufAttrValImageLayoutType layout = NvSciBufImage_BlockLinearType;
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NvSciBufAttrValAccessPerm perm = NvSciBufAccessPerm_ReadWrite;
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uint32_t planeCount = 1;
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uint32_t planeWidths[] = {width};
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uint32_t planeHeights[] = {height};
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uint64_t lrpad = 0, tbpad = 100;
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bool cpuAccessFlag = false;
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NvSciBufAttrValColorFmt planecolorfmts[] = {NvSciColor_B8G8R8A8};
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NvSciBufAttrValColorStd planecolorstds[] = {NvSciColorStd_SRGB};
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NvSciBufAttrValImageScanType planescantype[] = {NvSciBufScan_InterlaceType};
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NvSciBufAttrKeyValuePair imgBufAttrs[] = {
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{NvSciBufGeneralAttrKey_Types, &bufType, sizeof(bufType)},
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{NvSciBufImageAttrKey_PlaneCount, &planeCount, sizeof(planeCount)},
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{NvSciBufImageAttrKey_Layout, &layout, sizeof(layout)},
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{NvSciBufImageAttrKey_TopPadding, &tbpad, sizeof(tbpad)},
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{NvSciBufImageAttrKey_BottomPadding, &tbpad, sizeof(tbpad)},
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{NvSciBufImageAttrKey_LeftPadding, &lrpad, sizeof(lrpad)},
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{NvSciBufImageAttrKey_RightPadding, &lrpad, sizeof(lrpad)},
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{NvSciBufImageAttrKey_PlaneColorFormat, planecolorfmts,
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sizeof(planecolorfmts)},
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{NvSciBufImageAttrKey_PlaneColorStd, planecolorstds,
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sizeof(planecolorstds)},
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{NvSciBufImageAttrKey_PlaneWidth, planeWidths, sizeof(planeWidths)},
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{NvSciBufImageAttrKey_PlaneHeight, planeHeights, sizeof(planeHeights)},
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{NvSciBufGeneralAttrKey_NeedCpuAccess, &cpuAccessFlag,
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sizeof(cpuAccessFlag)},
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{NvSciBufGeneralAttrKey_RequiredPerm, &perm, sizeof(perm)},
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{NvSciBufImageAttrKey_PlaneScanType, planescantype,
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sizeof(planescantype)},
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{NvSciBufGeneralAttrKey_GpuId, &m_devUUID, sizeof(m_devUUID)},
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};
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checkNvSciErrors(NvSciBufAttrListSetAttrs(
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m_imageBufAttrList, imgBufAttrs,
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sizeof(imgBufAttrs) / sizeof(NvSciBufAttrKeyValuePair)));
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}
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NvSciSyncAttrList getNvSciSyncAttrList() { return m_syncAttrList; }
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NvSciBufAttrList getNvSciRawBufAttrList() { return m_rawBufAttrList; }
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NvSciBufAttrList getNvSciImageBufAttrList() { return m_imageBufAttrList; }
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void runRotateImageAndSignal(unsigned char *imageData) {
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int numOfGPUs = 0;
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checkCudaErrors(cudaGetDeviceCount(&numOfGPUs)); // For cuda init purpose
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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copyDataToImageArray(imageData);
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createTexture();
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float angle = 0.5f; // angle to rotate image by (in radians)
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rotateKernel(texObject, angle, (unsigned int *)d_outputBuf, m_imageWidth,
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m_imageHeight, streamToRun);
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signalExternalSemaphore();
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}
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void cudaImportNvSciSemaphore(NvSciSyncObj syncObj) {
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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cudaExternalSemaphoreHandleDesc extSemDesc;
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memset(&extSemDesc, 0, sizeof(extSemDesc));
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extSemDesc.type = cudaExternalSemaphoreHandleTypeNvSciSync;
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extSemDesc.handle.nvSciSyncObj = (void *)syncObj;
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checkCudaErrors(cudaImportExternalSemaphore(&signalSem, &extSemDesc));
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}
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void signalExternalSemaphore() {
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cudaExternalSemaphoreSignalParams signalParams;
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memset(&signalParams, 0, sizeof(signalParams));
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// For cross-process signaler-waiter applications need to use NvSciIpc
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// and NvSciSync[Export|Import] utilities to share the NvSciSyncFence
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// across process. This step is optional in single-process.
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signalParams.params.nvSciSync.fence = (void *)m_fence;
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signalParams.flags = 0;
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checkCudaErrors(cudaSignalExternalSemaphoresAsync(&signalSem, &signalParams,
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1, streamToRun));
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}
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void cudaImportNvSciRawBuf(NvSciBufObj inputBufObj) {
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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checkNvSciErrors(
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NvSciBufObjGetAttrList(inputBufObj, &m_buffAttrListOut[0]));
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memset(pairArrayOut, 0, sizeof(NvSciBufAttrKeyValuePair) * 10);
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pairArrayOut[0].key = NvSciBufRawBufferAttrKey_Size;
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checkNvSciErrors(
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NvSciBufAttrListGetAttrs(m_buffAttrListOut[0], pairArrayOut, 1));
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uint64_t size = *(uint64_t *)pairArrayOut[0].value;
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cudaExternalMemoryHandleDesc memHandleDesc;
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memset(&memHandleDesc, 0, sizeof(memHandleDesc));
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memHandleDesc.type = cudaExternalMemoryHandleTypeNvSciBuf;
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memHandleDesc.handle.nvSciBufObject = inputBufObj;
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memHandleDesc.size = size;
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checkCudaErrors(cudaImportExternalMemory(&extMemRawBuf, &memHandleDesc));
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cudaExternalMemoryBufferDesc bufferDesc;
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memset(&bufferDesc, 0, sizeof(bufferDesc));
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bufferDesc.offset = 0;
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bufferDesc.size = size;
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m_bufSize = size;
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checkCudaErrors(cudaExternalMemoryGetMappedBuffer(
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&d_outputBuf, extMemRawBuf, &bufferDesc));
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}
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void cudaImportNvSciImage(NvSciBufObj inputBufObj) {
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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checkNvSciErrors(
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NvSciBufObjGetAttrList(inputBufObj, &m_buffAttrListOut[1]));
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memset(pairArrayOut, 0, sizeof(NvSciBufAttrKeyValuePair) * 10);
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pairArrayOut[0].key = NvSciBufImageAttrKey_Size;
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pairArrayOut[1].key = NvSciBufImageAttrKey_Alignment;
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pairArrayOut[2].key = NvSciBufImageAttrKey_PlaneCount;
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pairArrayOut[3].key = NvSciBufImageAttrKey_PlaneWidth;
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pairArrayOut[4].key = NvSciBufImageAttrKey_PlaneHeight;
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checkNvSciErrors(
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NvSciBufAttrListGetAttrs(m_buffAttrListOut[1], pairArrayOut, 5));
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uint64_t size = *(uint64_t *)pairArrayOut[0].value;
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uint64_t alignment = *(uint64_t *)pairArrayOut[1].value;
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uint64_t planeCount = *(uint64_t *)pairArrayOut[2].value;
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uint64_t imageWidth = *(uint64_t *)pairArrayOut[3].value;
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uint64_t imageHeight = *(uint64_t *)pairArrayOut[4].value;
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cudaExternalMemoryHandleDesc memHandleDesc;
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memset(&memHandleDesc, 0, sizeof(memHandleDesc));
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memHandleDesc.type = cudaExternalMemoryHandleTypeNvSciBuf;
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memHandleDesc.handle.nvSciBufObject = inputBufObj;
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memHandleDesc.size = size;
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checkCudaErrors(cudaImportExternalMemory(&extMemImageBuf, &memHandleDesc));
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cudaExtent extent = {};
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memset(&extent, 0, sizeof(extent));
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extent.width = imageWidth;
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extent.height = imageHeight;
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extent.depth = 0;
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cudaChannelFormatDesc desc;
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desc.x = 8;
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desc.y = 8;
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desc.z = 8;
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desc.w = 8;
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desc.f = cudaChannelFormatKindUnsigned;
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cudaExternalMemoryMipmappedArrayDesc mipmapDesc = {0};
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mipmapDesc.offset = 0;
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mipmapDesc.formatDesc = desc;
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mipmapDesc.extent = extent;
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mipmapDesc.flags = 0;
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mipmapDesc.numLevels = 1;
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checkCudaErrors(cudaExternalMemoryGetMappedMipmappedArray(
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&d_mipmapArray, extMemImageBuf, &mipmapDesc));
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}
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void copyDataToImageArray(unsigned char *imageData) {
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uint32_t mipLevelId = 0;
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checkCudaErrors(cudaGetMipmappedArrayLevel(&d_mipLevelArray, d_mipmapArray,
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mipLevelId));
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checkCudaErrors(cudaMemcpy2DToArrayAsync(
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d_mipLevelArray, 0, 0, imageData, m_imageWidth * sizeof(unsigned int),
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m_imageWidth * sizeof(unsigned int), m_imageHeight,
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cudaMemcpyHostToDevice, streamToRun));
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}
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void createTexture() {
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cudaResourceDesc texRes;
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memset(&texRes, 0, sizeof(cudaResourceDesc));
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texRes.resType = cudaResourceTypeArray;
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texRes.res.array.array = d_mipLevelArray;
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cudaTextureDesc texDescr;
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memset(&texDescr, 0, sizeof(cudaTextureDesc));
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texDescr.normalizedCoords = true;
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texDescr.filterMode = cudaFilterModeLinear;
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texDescr.addressMode[0] = cudaAddressModeWrap;
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texDescr.addressMode[1] = cudaAddressModeWrap;
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texDescr.readMode = cudaReadModeNormalizedFloat;
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checkCudaErrors(
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cudaCreateTextureObject(&texObject, &texRes, &texDescr, NULL));
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}
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};
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class cudaNvSciWait {
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private:
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NvSciSyncModule m_syncModule;
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NvSciBufModule m_bufModule;
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NvSciSyncAttrList m_syncAttrList;
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NvSciBufAttrList m_rawBufAttrList;
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NvSciBufAttrList m_buffAttrListOut;
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NvSciBufAttrKeyValuePair pairArrayOut[10];
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NvSciSyncFence *m_fence;
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cudaExternalMemory_t extMemRawBuf;
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cudaExternalSemaphore_t waitSem;
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cudaStream_t streamToRun;
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int m_cudaDeviceId;
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CUuuid m_devUUID;
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void *d_outputBuf;
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size_t m_bufSize;
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size_t imageWidth;
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size_t imageHeight;
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public:
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cudaNvSciWait(NvSciBufModule bufModule, NvSciSyncModule syncModule,
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int cudaDeviceId, int bufSize, NvSciSyncFence *fence)
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: m_bufModule(bufModule),
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m_syncModule(syncModule),
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m_cudaDeviceId(cudaDeviceId),
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m_bufSize(bufSize),
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m_fence(fence) {
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initCuda();
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checkNvSciErrors(NvSciSyncAttrListCreate(m_syncModule, &m_syncAttrList));
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checkNvSciErrors(NvSciBufAttrListCreate(m_bufModule, &m_rawBufAttrList));
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setRawBufAttrList(m_bufSize);
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checkCudaErrors(cudaDeviceGetNvSciSyncAttributes(
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m_syncAttrList, m_cudaDeviceId, cudaNvSciSyncAttrWait));
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}
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~cudaNvSciWait() {
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checkCudaErrors(cudaStreamDestroy(streamToRun));
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checkCudaErrors(cudaDestroyExternalSemaphore(waitSem));
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checkCudaErrors(cudaDestroyExternalMemory(extMemRawBuf));
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checkCudaErrors(cudaFree(d_outputBuf));
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}
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void initCuda() {
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checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
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checkCudaErrors(
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cudaStreamCreateWithFlags(&streamToRun, cudaStreamNonBlocking));
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#ifdef cuDeviceGetUuid_v2
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CUresult res = cuDeviceGetUuid_v2(&m_devUUID, m_cudaDeviceId);
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#else
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CUresult res = cuDeviceGetUuid(&m_devUUID, m_cudaDeviceId);
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#endif
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if (res != CUDA_SUCCESS) {
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fprintf(stderr, "Driver API error = %04d \n", res);
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exit(EXIT_FAILURE);
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}
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int major = 0, minor = 0;
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checkCudaErrors(cudaDeviceGetAttribute(
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&major, cudaDevAttrComputeCapabilityMajor, m_cudaDeviceId));
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checkCudaErrors(cudaDeviceGetAttribute(
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&minor, cudaDevAttrComputeCapabilityMinor, m_cudaDeviceId));
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printf(
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"[cudaNvSciWait] GPU Device %d: \"%s\" with compute capability "
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"%d.%d\n\n",
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m_cudaDeviceId, _ConvertSMVer2ArchName(major, minor), major, minor);
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}
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void setRawBufAttrList(uint64_t size) {
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NvSciBufType bufType = NvSciBufType_RawBuffer;
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bool cpuAccess = false;
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NvSciBufAttrValAccessPerm perm = NvSciBufAccessPerm_ReadWrite;
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NvSciBufAttrKeyValuePair rawBufAttrs[] = {
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{NvSciBufRawBufferAttrKey_Size, &size, sizeof(size)},
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{NvSciBufGeneralAttrKey_Types, &bufType, sizeof(bufType)},
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{NvSciBufGeneralAttrKey_NeedCpuAccess, &cpuAccess, sizeof(cpuAccess)},
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{NvSciBufGeneralAttrKey_RequiredPerm, &perm, sizeof(perm)},
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{NvSciBufGeneralAttrKey_GpuId, &m_devUUID, sizeof(m_devUUID)},
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};
|
|
|
|
checkNvSciErrors(NvSciBufAttrListSetAttrs(
|
|
m_rawBufAttrList, rawBufAttrs,
|
|
sizeof(rawBufAttrs) / sizeof(NvSciBufAttrKeyValuePair)));
|
|
}
|
|
|
|
NvSciSyncAttrList getNvSciSyncAttrList() { return m_syncAttrList; }
|
|
|
|
NvSciBufAttrList getNvSciRawBufAttrList() { return m_rawBufAttrList; }
|
|
|
|
void runImageGrayscale(std::string image_filename, size_t imageWidth,
|
|
size_t imageHeight) {
|
|
int numOfGPUs = 0;
|
|
checkCudaErrors(cudaGetDeviceCount(&numOfGPUs)); // For cuda init purpose
|
|
checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
|
|
|
|
waitExternalSemaphore();
|
|
launchGrayScaleKernel((unsigned int *)d_outputBuf, image_filename,
|
|
imageWidth, imageHeight, streamToRun);
|
|
}
|
|
|
|
void cudaImportNvSciSemaphore(NvSciSyncObj syncObj) {
|
|
checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
|
|
|
|
cudaExternalSemaphoreHandleDesc extSemDesc;
|
|
memset(&extSemDesc, 0, sizeof(extSemDesc));
|
|
extSemDesc.type = cudaExternalSemaphoreHandleTypeNvSciSync;
|
|
extSemDesc.handle.nvSciSyncObj = (void *)syncObj;
|
|
|
|
checkCudaErrors(cudaImportExternalSemaphore(&waitSem, &extSemDesc));
|
|
}
|
|
|
|
void waitExternalSemaphore() {
|
|
checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
|
|
|
|
cudaExternalSemaphoreWaitParams waitParams;
|
|
memset(&waitParams, 0, sizeof(waitParams));
|
|
// For cross-process signaler-waiter applications need to use NvSciIpc
|
|
// and NvSciSync[Export|Import] utilities to share the NvSciSyncFence
|
|
// across process. This step is optional in single-process.
|
|
waitParams.params.nvSciSync.fence = (void *)m_fence;
|
|
waitParams.flags = 0;
|
|
|
|
checkCudaErrors(
|
|
cudaWaitExternalSemaphoresAsync(&waitSem, &waitParams, 1, streamToRun));
|
|
}
|
|
|
|
void cudaImportNvSciRawBuf(NvSciBufObj inputBufObj) {
|
|
checkCudaErrors(cudaSetDevice(m_cudaDeviceId));
|
|
|
|
checkNvSciErrors(NvSciBufObjGetAttrList(inputBufObj, &m_buffAttrListOut));
|
|
|
|
memset(pairArrayOut, 0, sizeof(NvSciBufAttrKeyValuePair) * 10);
|
|
pairArrayOut[0].key = NvSciBufRawBufferAttrKey_Size;
|
|
|
|
checkNvSciErrors(
|
|
NvSciBufAttrListGetAttrs(m_buffAttrListOut, pairArrayOut, 1));
|
|
|
|
uint64_t size = *(uint64_t *)pairArrayOut[0].value;
|
|
|
|
cudaExternalMemoryHandleDesc memHandleDesc;
|
|
memset(&memHandleDesc, 0, sizeof(memHandleDesc));
|
|
memHandleDesc.type = cudaExternalMemoryHandleTypeNvSciBuf;
|
|
memHandleDesc.handle.nvSciBufObject = inputBufObj;
|
|
memHandleDesc.size = size;
|
|
checkCudaErrors(cudaImportExternalMemory(&extMemRawBuf, &memHandleDesc));
|
|
|
|
cudaExternalMemoryBufferDesc bufferDesc;
|
|
memset(&bufferDesc, 0, sizeof(bufferDesc));
|
|
bufferDesc.offset = 0;
|
|
bufferDesc.size = size;
|
|
m_bufSize = size;
|
|
|
|
checkCudaErrors(cudaExternalMemoryGetMappedBuffer(
|
|
&d_outputBuf, extMemRawBuf, &bufferDesc));
|
|
}
|
|
};
|
|
|
|
void thread_rotateAndSignal(cudaNvSciSignal *cudaNvSciSignalObj,
|
|
unsigned char *imageData) {
|
|
std::lock_guard<std::mutex> guard(m_mutex);
|
|
cudaNvSciSignalObj->runRotateImageAndSignal(imageData);
|
|
workSubmitted = true;
|
|
m_condVar.notify_one();
|
|
}
|
|
|
|
void thread_waitAndGrayscale(cudaNvSciWait *cudaNvSciWaitObj,
|
|
std::string image_filename, size_t imageWidth,
|
|
size_t imageHeight) {
|
|
// Acquire the lock
|
|
std::unique_lock<std::mutex> mlock(m_mutex);
|
|
m_condVar.wait(mlock, [] { return workSubmitted; });
|
|
cudaNvSciWaitObj->runImageGrayscale(image_filename, imageWidth, imageHeight);
|
|
}
|
|
|
|
cudaNvSci::cudaNvSci(int isMultiGPU, std::vector<int> &deviceIds,
|
|
unsigned char *imageData, size_t width, size_t height)
|
|
: m_isMultiGPU(isMultiGPU),
|
|
image_data(imageData),
|
|
imageWidth(width),
|
|
imageHeight(height) {
|
|
if (isMultiGPU) {
|
|
m_cudaNvSciSignalDeviceId = deviceIds[0];
|
|
m_cudaNvSciWaitDeviceId = deviceIds[1];
|
|
} else {
|
|
m_cudaNvSciSignalDeviceId = m_cudaNvSciWaitDeviceId = deviceIds[0];
|
|
}
|
|
|
|
m_bufSize = imageWidth * imageHeight * sizeof(unsigned int);
|
|
}
|
|
|
|
void cudaNvSci::initNvSci() {
|
|
checkNvSciErrors(NvSciSyncModuleOpen(&syncModule));
|
|
checkNvSciErrors(NvSciBufModuleOpen(&buffModule));
|
|
fence = (NvSciSyncFence *)calloc(1, sizeof(NvSciSyncFence));
|
|
}
|
|
|
|
void cudaNvSci::runCudaNvSci(std::string &image_filename) {
|
|
initNvSci();
|
|
|
|
cudaNvSciSignal rotateAndSignal(buffModule, syncModule,
|
|
m_cudaNvSciSignalDeviceId, m_bufSize,
|
|
imageWidth, imageHeight, fence);
|
|
cudaNvSciWait waitAndGrayscale(buffModule, syncModule,
|
|
m_cudaNvSciWaitDeviceId, m_bufSize, fence);
|
|
|
|
rawBufUnreconciledList[0] = rotateAndSignal.getNvSciRawBufAttrList();
|
|
rawBufUnreconciledList[1] = waitAndGrayscale.getNvSciRawBufAttrList();
|
|
|
|
createNvSciRawBufObj();
|
|
|
|
imageBufUnreconciledList[0] = rotateAndSignal.getNvSciImageBufAttrList();
|
|
|
|
createNvSciBufImageObj();
|
|
|
|
rotateAndSignal.cudaImportNvSciRawBuf(rawBufObj);
|
|
rotateAndSignal.cudaImportNvSciImage(imageBufObj);
|
|
|
|
waitAndGrayscale.cudaImportNvSciRawBuf(rawBufObj);
|
|
|
|
syncUnreconciledList[0] = rotateAndSignal.getNvSciSyncAttrList();
|
|
syncUnreconciledList[1] = waitAndGrayscale.getNvSciSyncAttrList();
|
|
|
|
createNvSciSyncObj();
|
|
|
|
rotateAndSignal.cudaImportNvSciSemaphore(syncObj);
|
|
waitAndGrayscale.cudaImportNvSciSemaphore(syncObj);
|
|
|
|
std::thread rotateThread(&thread_rotateAndSignal, &rotateAndSignal,
|
|
image_data);
|
|
|
|
std::thread grayscaleThread(&thread_waitAndGrayscale, &waitAndGrayscale,
|
|
image_filename, imageWidth, imageHeight);
|
|
|
|
rotateThread.join();
|
|
grayscaleThread.join();
|
|
}
|
|
|
|
void cudaNvSci::createNvSciRawBufObj() {
|
|
int numAttrList = 2;
|
|
checkNvSciErrors(NvSciBufAttrListReconcile(rawBufUnreconciledList,
|
|
numAttrList, &rawBufReconciledList,
|
|
&buffConflictList));
|
|
checkNvSciErrors(NvSciBufObjAlloc(rawBufReconciledList, &rawBufObj));
|
|
printf("created NvSciBufObj\n");
|
|
}
|
|
|
|
void cudaNvSci::createNvSciBufImageObj() {
|
|
int numAttrList = 1;
|
|
checkNvSciErrors(NvSciBufAttrListReconcile(
|
|
imageBufUnreconciledList, numAttrList, &imageBufReconciledList,
|
|
&imageBufConflictList));
|
|
checkNvSciErrors(NvSciBufObjAlloc(imageBufReconciledList, &imageBufObj));
|
|
printf("created NvSciBufImageObj\n");
|
|
}
|
|
|
|
void cudaNvSci::createNvSciSyncObj() {
|
|
int numAttrList = 2;
|
|
checkNvSciErrors(NvSciSyncAttrListReconcile(syncUnreconciledList, numAttrList,
|
|
&syncReconciledList,
|
|
&syncConflictList));
|
|
checkNvSciErrors(NvSciSyncObjAlloc(syncReconciledList, &syncObj));
|
|
printf("created NvSciSyncObj\n");
|
|
}
|