1 files changed, 142 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/hwlog.c b/src/mesa/drivers/dri/common/hwlog.c
new file mode 100644
index 0000000000..ff6e7d9211
--- /dev/null
+++ b/src/mesa/drivers/dri/common/hwlog.c
@@ -0,0 +1,142 @@
+/*
+ * GLX Hardware Device Driver common code 
+ * 
+ * Based on the original MGA G200 driver (c) 1999 Wittawat Yamwong
+ *
+ * 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
+ * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS 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.
+ *
+ *
+ *    Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/hwlog.c,v 1.3 2001/08/18 02:51:03 dawes Exp $ */
+ 
+#include "hwlog.h"
+hwlog_t hwlog = { 0,0,0, "[???] "};
+
+
+/* Should be shared, but is this a good place for it?
+ */
+#include <sys/time.h>
+#include <stdarg.h>
+
+
+int usec( void ) 
+{
+   struct timeval tv;
+   struct timezone tz;
+   
+   gettimeofday( &tv, &tz );
+   
+   return (tv.tv_sec & 2047) * 1000000 + tv.tv_usec;
+}
+
+
+#ifdef HW_LOG_ENABLED
+int hwOpenLog(const char *filename, char *prefix)
+{
+  hwCloseLog();
+  hwSetLogLevel(0);
+  hwlog.prefix=prefix;
+  if (!filename)
+    return -1;
+  if ((hwlog.file = fopen(filename,"w")) == NULL)
+      return -1;
+  return 0;
+}
+
+void hwCloseLog()
+{
+  if (hwlog.file) {
+    fclose(hwlog.file);
+    hwlog.file = NULL;
+  }
+}
+
+int hwIsLogReady()
+{
+  return (hwlog.file != NULL);
+}
+
+void hwSetLogLevel(int level)
+{
+  hwlog.level = level;
+}
+
+int hwGetLogLevel()
+{
+  return hwlog.level;
+}
+
+void hwLog(int level, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap,format);
+  hwLogv(level,format,ap);
+  va_end(ap);
+}
+
+void hwLogv(int l, const char *format, va_list ap)
+{
+  if (hwlog.file && (l <= hwlog.level)) {
+    vfprintf(hwlog.file,format,ap);
+    fflush(hwlog.file);
+  }
+}
+
+void hwMsg(int l, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+
+  if (l <= hwlog.level) {
+    if (hwIsLogReady()) {
+      int t = usec();
+
+      hwLog(l, "%6i:", t - hwlog.timeTemp);
+      hwlog.timeTemp = t;
+      hwLogv(l, format, ap);
+    } else {
+      fprintf(stderr, hwlog.prefix);
+      vfprintf(stderr, format, ap);
+    }
+  }
+
+  va_end(ap);
+}
+
+#else /* ifdef HW_LOG_ENABLED */
+
+int hwlogdummy()
+{
+  return 0;
+}
+
+#endif
+
+void hwError(const char *format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+
+  fprintf(stderr, hwlog.prefix);
+  vfprintf(stderr, format, ap);
+  hwLogv(0, format, ap);
+
+  va_end(ap);
+}