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https://github.com/gnif/LookingGlass.git
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[host] removed deprecated MTMemcpy from the project
This commit is contained in:
Geoffrey McRae
parent
4a850f531c
commit
6c9269b64f
4 changed files with 0 additions and 160 deletions
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/*
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KVMGFX Client - A KVM Client for VGA Passthrough
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Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "MTMemcpy.h"
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MTMemcpy::MTMemcpy() :
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m_initialized(false)
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{
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}
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MTMemcpy::~MTMemcpy()
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{
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DeInitialize();
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}
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DWORD WINAPI MTMemcpy::thread_copy_proc(LPVOID param)
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{
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mt_cpy_t * p = (mt_cpy_t *)param;
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while (1)
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{
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WaitForSingleObject(p->s->hCopyStartSemaphores[p->ct], INFINITE);
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memcpy(p->dest, p->src, p->size);
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ReleaseSemaphore(p->s->hCopyStopSemaphores[p->ct], 1, NULL);
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}
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return 0;
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}
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bool MTMemcpy::Initialize()
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{
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if (m_initialized)
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DeInitialize();
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for (int ctr = 0; ctr < NUM_CPY_THREADS; ctr++)
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{
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hCopyStartSemaphores[ctr] = CreateSemaphore(NULL, 0, 1, NULL);
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hCopyStopSemaphores[ctr] = CreateSemaphore(NULL, 0, 1, NULL);
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mtParamters[ctr].s = this;
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mtParamters[ctr].ct = ctr;
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hCopyThreads[ctr] = CreateThread(0, 0, thread_copy_proc, &mtParamters[ctr], 0, NULL);
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}
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m_initialized = true;
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return true;
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}
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bool MTMemcpy::Copy(void * dest, void * src, size_t bytes)
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{
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if (!m_initialized)
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return false;
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//set up parameters
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for (int ctr = 0; ctr < NUM_CPY_THREADS; ctr++)
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{
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mtParamters[ctr].dest = (char *)dest + ctr * bytes / NUM_CPY_THREADS;
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mtParamters[ctr].src = (char *)src + ctr * bytes / NUM_CPY_THREADS;
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mtParamters[ctr].size = (ctr + 1) * bytes / NUM_CPY_THREADS - ctr * bytes / NUM_CPY_THREADS;
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ReleaseSemaphore(hCopyStartSemaphores[ctr], 1, NULL);
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}
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//wait for all threads to finish
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WaitForMultipleObjects(NUM_CPY_THREADS, hCopyStopSemaphores, TRUE, INFINITE);
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return true;
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}
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void MTMemcpy::DeInitialize()
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{
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if (!m_initialized)
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return;
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for (int ctr = 0; ctr < NUM_CPY_THREADS; ctr++)
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{
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TerminateThread(hCopyThreads[ctr], 0);
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CloseHandle(hCopyStartSemaphores[ctr]);
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CloseHandle(hCopyStopSemaphores[ctr]);
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}
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m_initialized = false;
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}
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@ -1,55 +0,0 @@
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/*
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KVMGFX Client - A KVM Client for VGA Passthrough
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Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#define W32_LEAN_AND_MEAN
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#include <Windows.h>
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#define NUM_CPY_THREADS 4
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class MTMemcpy
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{
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public:
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bool MTMemcpy::Initialize();
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void MTMemcpy::DeInitialize();
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bool MTMemcpy::Copy(void * dest, void * src, size_t bytes);
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MTMemcpy();
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~MTMemcpy();
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private:
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bool m_initialized;
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static DWORD WINAPI MTMemcpy::thread_copy_proc(LPVOID param);
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typedef struct
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{
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MTMemcpy * s;
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int ct;
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void * src;
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void * dest;
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size_t size;
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}
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mt_cpy_t;
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HANDLE hCopyThreads[NUM_CPY_THREADS] = { 0 };
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HANDLE hCopyStartSemaphores[NUM_CPY_THREADS] = { 0 };
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HANDLE hCopyStopSemaphores[NUM_CPY_THREADS] = { 0 };
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mt_cpy_t mtParamters[NUM_CPY_THREADS] = { 0 };
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};
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@ -166,7 +166,6 @@
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<ClCompile Include="CrashHandler.cpp" />
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<ClCompile Include="CrashHandler.cpp" />
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<ClCompile Include="ivshmem.cpp" />
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<ClCompile Include="ivshmem.cpp" />
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<ClCompile Include="main.cpp" />
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<ClCompile Include="main.cpp" />
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<ClCompile Include="MTMemcpy.cpp" />
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<ClCompile Include="Service.cpp" />
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<ClCompile Include="Service.cpp" />
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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<ClInclude Include="CrashHandler.h" />
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<ClInclude Include="CrashHandler.h" />
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<ClInclude Include="ICapture.h" />
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<ClInclude Include="ICapture.h" />
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<ClInclude Include="ivshmem.h" />
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<ClInclude Include="ivshmem.h" />
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<ClInclude Include="MTMemcpy.h" />
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<ClInclude Include="Service.h" />
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<ClInclude Include="Service.h" />
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<ClInclude Include="Util.h" />
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<ClInclude Include="Util.h" />
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</ItemGroup>
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</ItemGroup>
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@ -33,9 +33,6 @@
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<ClCompile Include="Capture\NvFBC.cpp">
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<ClCompile Include="Capture\NvFBC.cpp">
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<Filter>Source Files\Capture</Filter>
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<Filter>Source Files\Capture</Filter>
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</ClCompile>
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</ClCompile>
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<ClCompile Include="MTMemcpy.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="Capture\DXGI.cpp">
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<ClCompile Include="Capture\DXGI.cpp">
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<Filter>Source Files\Capture</Filter>
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<Filter>Source Files\Capture</Filter>
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</ClCompile>
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</ClCompile>
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<ClInclude Include="Util.h">
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<ClInclude Include="Util.h">
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<Filter>Header Files</Filter>
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<Filter>Header Files</Filter>
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</ClInclude>
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</ClInclude>
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<ClInclude Include="MTMemcpy.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="Capture\DXGI.h">
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<ClInclude Include="Capture\DXGI.h">
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<Filter>Header Files\Capture</Filter>
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<Filter>Header Files\Capture</Filter>
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</ClInclude>
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</ClInclude>
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