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Diffstat (limited to 'LibOVR/Src/Kernel/OVR_Log.cpp')
| -rw-r--r-- | LibOVR/Src/Kernel/OVR_Log.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/LibOVR/Src/Kernel/OVR_Log.cpp b/LibOVR/Src/Kernel/OVR_Log.cpp new file mode 100644 index 0000000..d5f8a68 --- /dev/null +++ b/LibOVR/Src/Kernel/OVR_Log.cpp @@ -0,0 +1,184 @@ +/************************************************************************************ + +Filename : OVR_Log.cpp +Content : Logging support +Created : September 19, 2012 +Notes : + +Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); +you may not use the Oculus VR Rift SDK except in compliance with the License, +which is provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +You may obtain a copy of the License at + +http://www.oculusvr.com/licenses/LICENSE-3.1 + +Unless required by applicable law or agreed to in writing, the Oculus VR SDK +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +************************************************************************************/ + +#include "OVR_Log.h" +#include "OVR_Std.h" +#include <stdarg.h> +#include <stdio.h> + +#if defined(OVR_OS_WIN32) +#include <windows.h> +#elif defined(OVR_OS_ANDROID) +#include <android/log.h> +#endif + +namespace OVR { + +// Global Log pointer. +Log* volatile OVR_GlobalLog = 0; + +//----------------------------------------------------------------------------------- +// ***** Log Implementation + +Log::~Log() +{ + // Clear out global log + if (this == OVR_GlobalLog) + { + // TBD: perhaps we should ASSERT if this happens before system shutdown? + OVR_GlobalLog = 0; + } +} + +void Log::LogMessageVarg(LogMessageType messageType, const char* fmt, va_list argList) +{ + if ((messageType & LoggingMask) == 0) + return; +#ifndef OVR_BUILD_DEBUG + if (IsDebugMessage(messageType)) + return; +#endif + + char buffer[MaxLogBufferMessageSize]; + FormatLog(buffer, MaxLogBufferMessageSize, messageType, fmt, argList); + DefaultLogOutput(buffer, IsDebugMessage(messageType)); +} + +void OVR::Log::LogMessage(LogMessageType messageType, const char* pfmt, ...) +{ + va_list argList; + va_start(argList, pfmt); + LogMessageVarg(messageType, pfmt, argList); + va_end(argList); +} + + +void Log::FormatLog(char* buffer, unsigned bufferSize, LogMessageType messageType, + const char* fmt, va_list argList) +{ + bool addNewline = true; + + switch(messageType) + { + case Log_Error: OVR_strcpy(buffer, bufferSize, "Error: "); break; + case Log_Debug: OVR_strcpy(buffer, bufferSize, "Debug: "); break; + case Log_Assert: OVR_strcpy(buffer, bufferSize, "Assert: "); break; + case Log_Text: buffer[0] = 0; addNewline = false; break; + case Log_DebugText: buffer[0] = 0; addNewline = false; break; + default: + buffer[0] = 0; + addNewline = false; + break; + } + + UPInt prefixLength = OVR_strlen(buffer); + char *buffer2 = buffer + prefixLength; + OVR_vsprintf(buffer2, bufferSize - prefixLength, fmt, argList); + + if (addNewline) + OVR_strcat(buffer, bufferSize, "\n"); +} + + +void Log::DefaultLogOutput(const char* formattedText, bool debug) +{ + +#if defined(OVR_OS_WIN32) + // Under Win32, output regular messages to console if it exists; debug window otherwise. + static DWORD dummyMode; + static bool hasConsole = (GetStdHandle(STD_OUTPUT_HANDLE) != INVALID_HANDLE_VALUE) && + (GetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), &dummyMode)); + + if (!hasConsole || debug) + { + ::OutputDebugStringA(formattedText); + } + else + { + fputs(formattedText, stdout); + } + +#elif defined(OVR_OS_ANDROID) + __android_log_write(ANDROID_LOG_INFO, "OVR", formattedText); + +#else + fputs(formattedText, stdout); + +#endif + + // Just in case. + OVR_UNUSED2(formattedText, debug); +} + + +//static +void Log::SetGlobalLog(Log *log) +{ + OVR_GlobalLog = log; +} +//static +Log* Log::GetGlobalLog() +{ +// No global log by default? +// if (!OVR_GlobalLog) +// OVR_GlobalLog = GetDefaultLog(); + return OVR_GlobalLog; +} + +//static +Log* Log::GetDefaultLog() +{ + // Create default log pointer statically so that it can be used + // even during startup. + static Log defaultLog; + return &defaultLog; +} + + +//----------------------------------------------------------------------------------- +// ***** Global Logging functions + +#define OVR_LOG_FUNCTION_IMPL(Name) \ + void Log##Name(const char* fmt, ...) \ + { \ + if (OVR_GlobalLog) \ + { \ + va_list argList; va_start(argList, fmt); \ + OVR_GlobalLog->LogMessageVarg(Log_##Name, fmt, argList); \ + va_end(argList); \ + } \ + } + +OVR_LOG_FUNCTION_IMPL(Text) +OVR_LOG_FUNCTION_IMPL(Error) + +#ifdef OVR_BUILD_DEBUG +OVR_LOG_FUNCTION_IMPL(DebugText) +OVR_LOG_FUNCTION_IMPL(Debug) +OVR_LOG_FUNCTION_IMPL(Assert) +#endif + +} // OVR |