tools/timer/SysTimer_windows.h - Issue 394363003: Use __rdtsc on Windows.

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Side by Side Diff: tools/timer/SysTimer_windows.h

Issue 394363003: Use __rdtsc on Windows. (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: Created 6 years, 5 months ago

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1 /*	1 /*

2 * Copyright 2011 Google Inc.	2 * Copyright 2011 Google Inc.

3 *	3 *

4 * Use of this source code is governed by a BSD-style license that can be	4 * Use of this source code is governed by a BSD-style license that can be

5 * found in the LICENSE file.	5 * found in the LICENSE file.

6 */	6 */

7 #ifndef SysTimer_DEFINED	7 #ifndef SysTimer_DEFINED

8 #define SysTimer_DEFINED	8 #define SysTimer_DEFINED

9	9

10 //Time	10 //Time

11 #define WIN32_LEAN_AND_MEAN 1	11 #define WIN32_LEAN_AND_MEAN 1

12 #include <windows.h>	12 #include <windows.h>

13	13

14 class SysTimer {	14 class SysTimer {

15 public:	15 public:

16 void startWall();	16 void startWall();

17 void startCpu();	17 void startCpu();

18 double endCpu();	18 double endCpu();

19 double endWall();	19 double endWall();

20 private:	20 private:

21 ULONGLONG fStartCpu;	21 ULONGLONG fStartCpu;

22 LARGE_INTEGER fStartWall;	22 unsigned __int64 fStartWall;

23 };	23 };

24	24

25 #endif	25 #endif

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