C++ (Cpp) cmdBuff Examples

Example #1

File: Material.cpp Project: ezhangle/anki-3d-engine

//==============================================================================
GlProgramPipelineHandle Material::getProgramPipeline(
	const RenderingKey& key)
{
	ANKI_ASSERT((U)key.m_pass < m_passesCount);
	ANKI_ASSERT(key.m_lod < m_lodsCount);

	U tessCount = 1;
	if(key.m_tessellation)
	{
		ANKI_ASSERT(m_tessellation);
		tessCount = 2;
	}

	U idx = (U)key.m_pass * m_lodsCount * tessCount
		+ key.m_lod * tessCount + key.m_tessellation;

	ANKI_ASSERT(idx < m_pplines.size());
	GlProgramPipelineHandle& ppline = m_pplines[idx];

	// Lazily create it
	if(ANKI_UNLIKELY(!ppline.isCreated()))
	{
		Array<GlProgramHandle, 5> progs;
		U progCount = 0;

		progs[progCount++] = getProgram(key, 0)->getGlProgram();

		if(key.m_tessellation)
		{
			progs[progCount++] = getProgram(key, 1)->getGlProgram();
			progs[progCount++] = getProgram(key, 2)->getGlProgram();
		}

		progs[progCount++] = getProgram(key, 4)->getGlProgram();

		GlDevice& gl = m_resources->_getGlDevice();
		GlCommandBufferHandle cmdBuff(&gl);

		ppline = GlProgramPipelineHandle(
			cmdBuff, &progs[0], &progs[0] + progCount);

		cmdBuff.flush();
	}

	return ppline;
}

Example #2

File: WriteMain.cpp Project: xceza7/EDCB

UINT WINAPI CWriteMain::TeeThread(LPVOID param)
{
	CWriteMain* sys = (CWriteMain*)param;
	wstring cmd = sys->teeCmd;
	Replace(cmd, L"$FilePath$", sys->savePath);
	vector<WCHAR> cmdBuff(cmd.c_str(), cmd.c_str() + cmd.size() + 1);

	WCHAR szCurrentDir[_MAX_PATH];
	DWORD ret = GetModuleFileName(NULL, szCurrentDir, _MAX_PATH);
	if( ret && ret < _MAX_PATH ){
		//カレントは実行ファイルのあるフォルダ
		WCHAR szDrive[_MAX_DRIVE];
		WCHAR szDir[_MAX_DIR];
		_wsplitpath_s(szCurrentDir, szDrive, _MAX_DRIVE, szDir, _MAX_DIR, NULL, 0, NULL, 0);
		_wmakepath_s(szCurrentDir, szDrive, szDir, NULL, NULL);

		//標準入力にパイプしたプロセスを起動する
		HANDLE tempPipe;
		HANDLE writePipe;
		if( CreatePipe(&tempPipe, &writePipe, NULL, 0) ){
			HANDLE readPipe;
			BOOL bRet = DuplicateHandle(GetCurrentProcess(), tempPipe, GetCurrentProcess(), &readPipe, 0, TRUE, DUPLICATE_SAME_ACCESS);
			CloseHandle(tempPipe);
			if( bRet ){
				SECURITY_ATTRIBUTES sa;
				sa.nLength = sizeof(sa);
				sa.lpSecurityDescriptor = NULL;
				sa.bInheritHandle = TRUE;
				STARTUPINFO si = {};
				si.cb = sizeof(si);
				si.dwFlags = STARTF_USESTDHANDLES;
				si.hStdInput = readPipe;
				//標準(エラー)出力はnulデバイスに捨てる
				si.hStdOutput = CreateFile(L"nul", GENERIC_WRITE, 0, &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
				si.hStdError = CreateFile(L"nul", GENERIC_WRITE, 0, &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
				PROCESS_INFORMATION pi;
				bRet = CreateProcess(NULL, &cmdBuff.front(), NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, szCurrentDir, &si, &pi);
				CloseHandle(readPipe);
				if( si.hStdOutput != INVALID_HANDLE_VALUE ){
					CloseHandle(si.hStdOutput);
				}
				if( si.hStdError != INVALID_HANDLE_VALUE ){
					CloseHandle(si.hStdError);
				}
				if( bRet ){
					CloseHandle(pi.hThread);
					CloseHandle(pi.hProcess);
					while( sys->teeThreadStopFlag == FALSE ){
						__int64 readablePos;
						{
							CBlockLock lock(&sys->wroteLock);
							readablePos = sys->wrotePos - sys->teeDelay;
						}
						LARGE_INTEGER liPos = {};
						DWORD read;
						if( SetFilePointerEx(sys->teeFile, liPos, &liPos, FILE_CURRENT) &&
						    readablePos - liPos.QuadPart >= (__int64)sys->teeBuff.size() &&
						    ReadFile(sys->teeFile, &sys->teeBuff.front(), (DWORD)sys->teeBuff.size(), &read, NULL) && read > 0 ){
							DWORD write;
							if( WriteFile(writePipe, &sys->teeBuff.front(), read, &write, NULL) == FALSE ){
								break;
							}
						}else{
							Sleep(100);
						}
					}
					//プロセスは回収しない(標準入力が閉じられた後にどうするかはプロセスの判断に任せる)
				}
			}
			CloseHandle(writePipe);
		}
	}
	return 0;
}