changed license to GPLv3 only; sorry, no trust to FSF anymore

[d2df-sdl.git] / src / shared / xprofiler.pas

diff --git a/src/shared/xprofiler.pas b/src/shared/xprofiler.pas
index 28ea126d78276cbff10431a3b033ab624b125e5e..be2a86a28d68881d128e8ce49d47883bf04db57a 100644 (file)
--- a/src/shared/xprofiler.pas
+++ b/src/shared/xprofiler.pas
@@ -2,8 +2,7 @@
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation, version 3 of the License ONLY.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -20,11 +19,33 @@ unit xprofiler;
 
 interface
 
+{$IFNDEF IN_TOOLS}
   uses
     SysUtils;
 
   {$DEFINE STOPWATCH_IS_HERE}
 
+{$ELSE}
+  uses
+    SysUtils
+  {$IF DEFINED(LINUX) OR DEFINED(ANDROID)}
+    {$DEFINE STOPWATCH_IS_HERE}
+    , unixtype, linux
+  {$ELSEIF DEFINED(WINDOWS)}
+    {$DEFINE STOPWATCH_IS_HERE}
+    , Windows
+  {$ELSEIF DEFINED(HAIKU)}
+    {$DEFINE STOPWATCH_IS_HERE}
+    , unixtype
+  {$ELSE}
+    {$IFDEF STOPWATCH_IS_HERE}
+      {$UNDEF STOPWATCH_IS_HERE}
+    {$ENDIF}
+    {$WARNING You suck!}
+  {$ENDIF}
+  ;
+{$ENDIF} // IN_TOOLS
+
 {$IF DEFINED(STOPWATCH_IS_HERE)}
 type
   TStopWatch = record
@@ -138,23 +159,72 @@ function getTimeMilli (): UInt64; inline;
 
 implementation
 
-  uses
-    SDL2;
+{$IFNDEF IN_TOOLS}
+uses
+  SDL2;
+
+type
+  THPTimeType = Int64;
+{$ELSE}
+{$IF DEFINED(LINUX)}
+type THPTimeType = TTimeSpec;
+{$ELSE}
+type THPTimeType = Int64;
+{$ENDIF}
+
+var
+  mFrequency: Int64 = 0;
+  mHasHPTimer: Boolean = false;
+{$ENDIF}
 
-  type
-    THPTimeType = Int64;
 
 // ////////////////////////////////////////////////////////////////////////// //
 procedure initTimerIntr ();
+{$IFDEF IN_TOOLS}
+var
+  r: THPTimeType;
+{$ENDIF}
 begin
+{$IFDEF IN_TOOLS}
+  if (mFrequency = 0) then
+  begin
+{$IF DEFINED(LINUX)}
+    if (clock_getres(CLOCK_MONOTONIC, @r) <> 0) then raise Exception.Create('profiler error: cannot get timer resolution');
+    mHasHPTimer := (r.tv_nsec <> 0);
+    if not mHasHPTimer then raise Exception.Create('profiler error: hires timer is not available');
+    mFrequency := 1; // just a flag
+    if (r.tv_nsec <> 0) then mFrequency := 1000000000000000000 div r.tv_nsec;
+{$ELSEIF DEFINED(WINDOWS)}
+    mHasHPTimer := QueryPerformanceFrequency(r);
+    if not mHasHPTimer then raise Exception.Create('profiler error: hires timer is not available');
+    mFrequency := r;
+{$ENDIF}
+  end;
+{$ENDIF}
   (* init sdl timers? *)
 end;
 
 
+{$IFDEF IN_TOOLS}
+function getTimeMicro (): UInt64; inline;
+var
+  r: THPTimeType;
+begin
+  //if (mFrequency = 0) then initTimerIntr();
+  {$IF DEFINED(LINUX)}
+  clock_gettime(CLOCK_MONOTONIC, @r);
+  result := UInt64(r.tv_sec)*1000000+UInt64(r.tv_nsec) div 1000; // microseconds
+  {$ELSEIF DEFINED(WINDOWS)}
+  QueryPerformanceCounter(r);
+  result := UInt64(r)*1000000 div mFrequency;
+  {$ENDIF}
+end;
+{$ELSE}
 function getTimeMicro (): UInt64; inline;
 begin
   Result := SDL_GetPerformanceCounter() * 1000000 div SDL_GetPerformanceFrequency()
 end;
+{$ENDIF}
 
 
 function getTimeMilli (): UInt64; inline;