/*
?*?Copyright?1993-2017?NVIDIA?Corporation.??All?rights?reserved.
?*
?*?Please?refer?to?the?NVIDIA?end?user?license?agreement?（EULA）?associated
?*?with?this?source?code?for?terms?and?conditions?that?govern?your?use?of
?*?this?software.?Any?use?reproduction?disclosure?or?distribution?of
?*?this?software?and?related?documentation?outside?the?terms?of?the?EULA
?*?is?strictly?prohibited.
?*
?*/

/*?CUmoduleManager?manages?loading?CUBIN?initializing?CUBIN?kernel?function
?*?initializating?CUDA?kernel?function?pointers?and?obtaining?global?memory
?*?addresses?（i.e.?constants）.
?*/

#include?
#include?

#include?
#include?

#include?“dynlink_cuda.h“
#include?“dynlink_builtin_types.h“
#include?“helper_cuda_drvapi.h“
#include?“cudaModuleMgr.h“

#define?ERROR_BUFFER_SIZE?256

using?namespace?std;

//?CUDA?Module?Manager?（C?implementation）
//??????filename_module?-?CUDA?or?PTX?file?path
//??????exec_path???????-?execution?path
//??????nKernels????????-?total?#?of?different?CUDA?kernel?functions?in?the?CUBIN/OTX
//??????nGlobalMem??????-?total?#?of?Global?Memory?arrays?defined?in?the?CUBIN/PTX?（i.e.?constants）
//??????nTexRef?????????-?total?#?of?Texture?References?arrays?defined?in?the?CUBIN/PTX?（i.e.?texture?arrays）
extern?“C“
bool?modInitCTX（sCtxModule?*pCtx?const?char?*filename?const?char?*exec_path?int?nKernels?int?nGlobalMem?int?nTexRef）
{
????pCtx->nMaxKernels_???=?nKernels;
????pCtx->nMaxGlobalMem_?=?nGlobalMem;
????pCtx->nMaxTexRef_????=?nTexRef;
????pCtx->mModuleName????=?filename;

????CUresult?cuStatus;
????string?module_path;
????string?ptx_source;

????char?*actual_path?=?sdkFindFilePath（pCtx->mModuleName.c_str（）?exec_path）;

????if?（actual_path）
????{
????????module_path?=?actual_path;
????}
????else
????{
????????printf（“>>?modInitCTX（）?<%36s>?not?found!\n“?pCtx->mModuleName.c_str（））;
????????return?false;
????}

????if?（module_path.empty（））
????{
????????printf（“>>?modInitCTX（）?<%36s>?not?found!\n“?pCtx->mModuleName.c_str（））;
????????return?false;
????}
????else
????{
????????FILE?*fp?=?fopen（module_path.c_str（）?“rb“）;
????????fseek（fp?0?SEEK_END）;
????????int?file_size?=?ftell（fp）;
????????char?*buf?=?new?char[file_size+1];
????????fseek（fp?0?SEEK_SET）;
????????fread（buf?sizeof（char）?file_size?fp）;
????????fclose（fp）;
????????buf[file_size]?=?‘\0‘;
????????ptx_source?=?buf;
????????delete?[]?buf;
????}

????if?（pCtx->mModuleName.rfind（“.ptx“）?!=?string::npos）
????{
????????//?in?this?branch?we?use?compilation?with?parameters
????????const?unsigned?int?jitNumOptions?=?3;
????????CUjit_option?*jitOptions?=?new?CUjit_option[jitNumOptions];
????????void?**jitOptVals?=?new?void?*[jitNumOptions];

????????//?set?up?size?of?compilation?log?buffer
????????jitOptions[0]?=?CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES;
????????int?jitLogBufferSize?=?1024;
????????jitOptVals[0]?=?（void?*）（size_t）jitLogBufferSize;

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-23?13:42??Video_Codec_SDK_8.1.24\
?????文件????????1489??2018-03-23?13:39??Video_Codec_SDK_8.1.24\deprecation_notices.txt
?????目錄???????????0??2018-03-23?13:42??Video_Codec_SDK_8.1.24\doc\
?????文件??????762113??2018-03-23?13:39??Video_Codec_SDK_8.1.24\doc\NVDEC_Application_Note.pdf
?????文件??????818832??2018-03-23?13:39??Video_Codec_SDK_8.1.24\doc\NVDEC_VideoDecoder_API_ProgGuide.pdf
?????文件??????629795??2018-03-23?13:39??Video_Codec_SDK_8.1.24\doc\NVENC_Application_Note.pdf
?????文件?????1133974??2018-03-23?13:39??Video_Codec_SDK_8.1.24\doc\NVENC_VideoEncoder_API_ProgGuide.pdf
?????文件??????831936??2018-03-23?13:39??Video_Codec_SDK_8.1.24\doc\Using_FFmpeg_with_NVIDIA_GPU_Hardware_Acceleration.pdf
?????目錄???????????0??2018-03-23?13:42??Video_Codec_SDK_8.1.24\LegacySamples\
?????目錄???????????0??2018-03-23?13:42??Video_Codec_SDK_8.1.24\LegacySamples\common\
?????目錄???????????0??2018-03-23?13:42??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\
?????文件????????4132??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\cudaModuleMgr.h
?????文件???????11356??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\drvapi_error_string.h
?????文件???????28370??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_builtin_types.h
?????文件?????????548??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cuda.h
?????文件????????8573??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cudaD3D10.h
?????文件???????13172??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cudaD3D11.h
?????文件????????9100??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cudaD3D9.h
?????文件????????5897??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cudaGL.h
?????文件???????73291??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cuda_cuda.h
?????文件????????5236??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cuda_d3d.h
?????文件????????1643??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\dynlink_cuda_gl.h
?????文件????????5262??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\exception.h
?????目錄???????????0??2018-03-23?13:42??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\
?????文件?????????703??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\freeglut.h
?????文件???????10682??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\freeglut_ext.h
?????文件???????27750??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\freeglut_std.h
?????文件???????70198??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\gl.h
?????文件??????943450??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\glew.h
?????文件??????691298??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\glext.h
?????文件???????19252??2018-03-23?13:39??Video_Codec_SDK_8.1.24\LegacySamples\common\inc\GL\glu.h
............此處省略346個(gè)文件信息