darwin: Use ASL for logging

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

src/glx/apple/Makefile

@@ -26,6 +26,7 @@ SOURCES = \
 	apple_glx.c \
 	apple_glx_context.c \
 	apple_glx_drawable.c \
+	apple_glx_log.c \
 	apple_glx_pbuffer.c \
 	apple_glx_pixmap.c \
 	apple_glx_surface.c \

src/glx/apple/apple_glx.c

@@ -33,6 +33,8 @@
 #include <assert.h>
 #include <stdarg.h>
 #include <dlfcn.h>
+#include <pthread.h>
+#include <inttypes.h>
 #include "appledri.h"
 #include "apple_glx.h"
 #include "apple_glx_context.h"
@@ -43,22 +45,6 @@ static int dri_event_base = 0;
 
 const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 };
 
-static bool diagnostic = false;
-
-void
-apple_glx_diagnostic(const char *fmt, ...)
-{
-   va_list vl;
-
-   if (diagnostic) {
-      fprintf(stderr, "DIAG: ");
-
-      va_start(vl, fmt);
-      vfprintf(stderr, fmt, vl);
-      va_end(vl);
-   }
-}
-
 int
 apple_get_dri_event_base(void)
 {
@@ -125,10 +111,9 @@ apple_init_glx(Display * dpy)
    if (initialized)
       return false;
 
-   if (getenv("LIBGL_DIAGNOSTIC")) {
-      printf("initializing libGL in %s\n", __func__);
-      diagnostic = true;
-   }
+   apple_glx_log_init();
+
+   apple_glx_log(ASL_LEVEL_INFO, "Initializing libGL.");
 
    apple_cgl_init();
    (void) apple_glx_get_client_id();

src/glx/apple/apple_glx.h

@@ -38,7 +38,8 @@
 #define XP_NO_X_HEADERS
 #include <Xplugin.h>
 
-void apple_glx_diagnostic(const char *fmt, ...);
+#include "apple_glx_log.h"
+
 xp_client_id apple_glx_get_client_id(void);
 bool apple_init_glx(Display * dpy);
 void apple_glx_swap_buffers(void *ptr);

src/glx/apple/apple_glx_log.c

@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2012 Apple Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
+ * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#include <sys/cdefs.h>
+#include <asl.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <pthread.h>
+#include "apple_glx_log.h"
+
+static bool diagnostic = false;
+static aslclient aslc;
+
+void apple_glx_log_init(void) {
+    if (getenv("LIBGL_DIAGNOSTIC")) {
+        diagnostic = true;
+    }
+
+    aslc = asl_open(NULL, NULL, 0);
+}
+
+void _apple_glx_log(int level, const char *file, const char *function,
+                    int line, const char *fmt, ...) {
+    va_list v;
+    va_start(v, fmt);
+    _apple_glx_vlog(level, file, function, line, fmt, v);
+    va_end(v);
+}
+
+static const char *
+_asl_level_string(int level)
+{
+        if (level == ASL_LEVEL_EMERG) return ASL_STRING_EMERG;
+        if (level == ASL_LEVEL_ALERT) return ASL_STRING_ALERT;
+        if (level == ASL_LEVEL_CRIT) return ASL_STRING_CRIT;
+        if (level == ASL_LEVEL_ERR) return ASL_STRING_ERR;
+        if (level == ASL_LEVEL_WARNING) return ASL_STRING_WARNING;
+        if (level == ASL_LEVEL_NOTICE) return ASL_STRING_NOTICE;
+        if (level == ASL_LEVEL_INFO) return ASL_STRING_INFO;
+        if (level == ASL_LEVEL_DEBUG) return ASL_STRING_DEBUG;
+        return "unknown";
+}
+
+void _apple_glx_vlog(int level, const char *file, const char *function,
+                     int line, const char *fmt, va_list args) {
+    aslmsg msg;
+    uint64_t thread = 0;
+
+    if (pthread_is_threaded_np()) {
+        pthread_threadid_np(NULL, &thread);
+    }
+
+    if (diagnostic) {
+        va_list args2;
+        va_copy(args2, args);
+
+        fprintf(stderr, "%-9s %24s:%-4d %s(%"PRIu64"): ",
+                _asl_level_string(level), file, line, function, thread);
+        vfprintf(stderr, fmt, args2);
+    }
+
+    msg = asl_new(ASL_TYPE_MSG);
+    if (msg) {
+        if (file)
+            asl_set(msg, "File", file);
+        if (function)
+            asl_set(msg, "Function", function);
+        if (line) {
+            char *_line;
+            asprintf(&_line, "%d", line);
+            if (_line) {
+                asl_set(msg, "Line", _line);
+                free(_line);
+            }
+        }
+        if (pthread_is_threaded_np()) {
+            char *_thread;
+            asprintf(&_thread, "%"PRIu64, thread);
+            if (_thread) {
+                asl_set(msg, "Thread", _thread);
+                free(_thread);
+            }
+        }
+    }
+
+    asl_vlog(aslc, msg, level, fmt, args);
+    if (msg)
+        asl_free(msg);
+}

src/glx/apple/apple_glx_log.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2012 Apple Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
+ * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above
+ * copyright holders shall not be used in advertising or otherwise to
+ * promote the sale, use or other dealings in this Software without
+ * prior written authorization.
+ */
+
+#ifndef APPLE_GLX_LOG_H
+#define APPLE_GLX_LOG_H
+
+#include <sys/cdefs.h>
+#include <asl.h>
+
+void apple_glx_log_init(void);
+
+__printflike(5, 6)
+void _apple_glx_log(int level, const char *file, const char *function,
+                    int line, const char *fmt, ...);
+#define apple_glx_log(l, f, args ...) \
+    _apple_glx_log(l, __FILE__, __FUNCTION__, __LINE__, f, ## args)
+
+
+__printflike(5, 0)
+void _apple_glx_vlog(int level, const char *file, const char *function,
+                     int line, const char *fmt, va_list v);
+#define apple_glx_vlog(l, f, v) \
+    _apple_glx_vlog(l, __FILE__, __FUNCTION__, __LINE__, f, v)
+
+/* This is just here to help the transition.
+ * TODO: Replace calls to apple_glx_diagnostic
+ */
+#define apple_glx_diagnostic(f, args ...) \
+    apple_glx_log(ASL_LEVEL_DEBUG, f, ## args)
+
+#endif