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| author | marha <marha@users.sourceforge.net> | 2011-04-30 16:21:56 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-04-30 16:21:56 +0000 |
| commit | e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f (patch) | |
| tree | 1804d7456ba8f200c7e329d4e6aa67ce4fb1649f /mesalib/src/gallium/auxiliary/util/u_time.h | |
| parent | 88a78ebea08af461224f815a8380ea5c54186f43 (diff) | |
| parent | 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 (diff) | |
| download | vcxsrv-e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f.tar.gz vcxsrv-e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f.tar.bz2 vcxsrv-e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f.zip | |
svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_time.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_time.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_time.h b/mesalib/src/gallium/auxiliary/util/u_time.h new file mode 100644 index 000000000..a65cd59fe --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_time.h @@ -0,0 +1,150 @@ +/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * OS independent time-manipulation functions.
+ *
+ * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
+ */
+
+#ifndef U_TIME_H_
+#define U_TIME_H_
+
+
+#include "pipe/p_config.h"
+
+#include "os/os_time.h"
+
+#include "pipe/p_compiler.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * Time abstraction.
+ *
+ * Do not access this structure directly. Use the provided function instead.
+ */
+struct util_time
+{
+ int64_t counter;
+};
+
+
+PIPE_DEPRECATED
+static INLINE void
+util_time_get(struct util_time *t)
+{
+ t->counter = os_time_get();
+}
+
+
+/**
+ * Return t2 = t1 + usecs
+ */
+PIPE_DEPRECATED
+static INLINE void
+util_time_add(const struct util_time *t1,
+ int64_t usecs,
+ struct util_time *t2)
+{
+ t2->counter = t1->counter + usecs;
+}
+
+
+/**
+ * Return difference between times, in microseconds
+ */
+PIPE_DEPRECATED
+static INLINE int64_t
+util_time_diff(const struct util_time *t1,
+ const struct util_time *t2)
+{
+ return t2->counter - t1->counter;
+}
+
+
+/**
+ * Compare two time values.
+ *
+ * Not publicly available because it does not take in account wrap-arounds.
+ * Use util_time_timeout instead.
+ */
+static INLINE int
+_util_time_compare(const struct util_time *t1,
+ const struct util_time *t2)
+{
+ if (t1->counter < t2->counter)
+ return -1;
+ else if(t1->counter > t2->counter)
+ return 1;
+ else
+ return 0;
+}
+
+
+/**
+ * Returns non-zero when the timeout expires.
+ */
+PIPE_DEPRECATED
+static INLINE boolean
+util_time_timeout(const struct util_time *start,
+ const struct util_time *end,
+ const struct util_time *curr)
+{
+ return os_time_timeout(start->counter, end->counter, curr->counter);
+}
+
+
+/**
+ * Return current time in microseconds
+ */
+PIPE_DEPRECATED
+static INLINE int64_t
+util_time_micros(void)
+{
+ return os_time_get();
+}
+
+
+PIPE_DEPRECATED
+static INLINE void
+util_time_sleep(int64_t usecs)
+{
+ os_time_sleep(usecs);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* U_TIME_H_ */
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