1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010 LunarG, Inc. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DEALINGS IN THE SOFTWARE. 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Logging facility for debug/info messages. 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * _EGL_FATAL messages are printed to stderr 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The EGL_LOG_LEVEL var controls the output of other warning/info/debug msgs. 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <stdarg.h> 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <stdio.h> 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <stdlib.h> 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "egllog.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "eglstring.h" 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "eglmutex.h" 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define MAXSTRING 1000 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FALLBACK_LOG_LEVEL _EGL_WARNING 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct { 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLMutex mutex; 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLBoolean initialized; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint level; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGLLogProc logger; 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint num_messages; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} logging = { 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _EGL_MUTEX_INITIALIZER, 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGL_FALSE, 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FALLBACK_LOG_LEVEL, 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org NULL, 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char *level_strings[] = { 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* the order is important */ 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "fatal", 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "warning", 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "info", 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "debug", 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org NULL 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set the function to be called when there is a message to log. 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Note that the function will be called with an internal lock held. 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Recursive logging is not allowed. 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglSetLogProc(_EGLLogProc logger) 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint num_messages = 0; 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLockMutex(&logging.mutex); 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (logging.logger != logger) { 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.logger = logger; 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_messages = logging.num_messages; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.num_messages = 0; 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglUnlockMutex(&logging.mutex); 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (num_messages) 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLog(_EGL_DEBUG, 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "New logger installed. " 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Messages before the new logger might not be available."); 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set the log reporting level. 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglSetLogLevel(EGLint level) 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (level) { 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case _EGL_FATAL: 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case _EGL_WARNING: 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case _EGL_INFO: 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case _EGL_DEBUG: 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLockMutex(&logging.mutex); 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.level = level; 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglUnlockMutex(&logging.mutex); 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The default logger. It prints the message to stderr. 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglDefaultLogger(EGLint level, const char *msg) 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, "libEGL %s: %s\n", level_strings[level], msg); 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Initialize the logging facility. 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglInitLogger(void) 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *log_env; 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org EGLint i, level = -1; 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (logging.initialized) 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org log_env = getenv("EGL_LOG_LEVEL"); 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (log_env) { 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; level_strings[i]; i++) { 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (_eglstrcasecmp(log_env, level_strings[i]) == 0) { 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org level = i; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org level = FALLBACK_LOG_LEVEL; 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.logger = _eglDefaultLogger; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.level = (level >= 0) ? level : FALLBACK_LOG_LEVEL; 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.initialized = EGL_TRUE; 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* it is fine to call _eglLog now */ 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (log_env && level < 0) { 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLog(_EGL_WARNING, 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Unrecognized EGL_LOG_LEVEL environment variable value. " 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Expected one of \"fatal\", \"warning\", \"info\", \"debug\". " 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Got \"%s\". Falling back to \"%s\".", 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org log_env, level_strings[FALLBACK_LOG_LEVEL]); 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Log a message with message logger. 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param level one of _EGL_FATAL, _EGL_WARNING, _EGL_INFO, _EGL_DEBUG. 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_eglLog(EGLint level, const char *fmtStr, ...) 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org va_list args; 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char msg[MAXSTRING]; 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int ret; 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* one-time initialization; a little race here is fine */ 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!logging.initialized) 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglInitLogger(); 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (level > logging.level || level < 0) 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLockMutex(&logging.mutex); 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (logging.logger) { 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org va_start(args, fmtStr); 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = vsnprintf(msg, MAXSTRING, fmtStr, args); 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret < 0 || ret >= MAXSTRING) 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strcpy(msg, "<message truncated>"); 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org va_end(args); 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.logger(level, msg); 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org logging.num_messages++; 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglUnlockMutex(&logging.mutex); 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (level == _EGL_FATAL) 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org exit(1); /* or abort()? */ 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 209