src/lib/sdl2/sdlversion.inc

   1 //from "sdl_version.h"
   2
   3   {**
   4    *  Information the version of SDL in use.
   5    *
   6    *  Represents the library's version as three levels: major revision
   7    *  (increments with massive changes, additions, and enhancements),
   8    *  minor revision (increments with backwards-compatible changes to the
   9    *  major revision), and patchlevel (increments with fixes to the minor
  10    *  revision).
  11    *
  12    *  SDL_VERSION
  13    *  SDL_GetVersion
  14    *}
  15 type
  16   PSDL_Version = ^TSDL_Version;
  17   TSDL_Version = record
  18     major,         {**< major version *}
  19     minor,         {**< minor version *}
  20     patch: UInt8;  {**< update version *}
  21   end;
  22
  23 {* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
  24 *}
  25 const
  26   SDL_MAJOR_VERSION = 2;
  27   SDL_MINOR_VERSION = 0;
  28   SDL_PATCHLEVEL    = 0;
  29
  30 {**
  31  *  Macro to determine SDL version program was compiled against.
  32  *
  33  *  This macro fills in a SDL_version structure with the version of the
  34  *  library you compiled against. This is determined by what header the
  35  *  compiler uses. Note that if you dynamically linked the library, you might
  36  *  have a slightly newer or older version at runtime. That version can be
  37  *  determined with SDL_GetVersion(), which, unlike SDL_VERSION(),
  38  *  is not a macro.
  39  *
  40  *  x   An instance on TSDL_Version to fill with version data.
  41  *
  42  *  SDL_version
  43  *  SDL_GetVersion
  44  *}
  45 procedure SDL_VERSION(Out x: TSDL_Version);
  46
  47 {**
  48  *  This macro turns the version numbers into a numeric value:
  49  *
  50  *  (1,2,3) -> (1203)
  51  *
  52  *
  53  *  This assumes that there will never be more than 100 patchlevels.
  54  *}
  55 function SDL_VERSIONNUM(X,Y,Z: UInt32): Cardinal;
  56
  57   {**
  58    *  This is the version number macro for the current SDL version.
  59    *}
  60 function SDL_COMPILEDVERSION: Cardinal;
  61
  62   {**
  63    *  This macro will evaluate to true if compiled with SDL at least X.Y.Z.
  64    *}
  65 function SDL_VERSION_ATLEAST(X,Y,Z: Cardinal): Boolean;
  66
  67   {**
  68    *  Get the version of SDL that is linked against your program.
  69    *
  70    *  If you are linking to SDL dynamically, then it is possible that the
  71    *  current version will be different than the version you compiled against.
  72    *  This function returns the current version, while SDL_VERSION() is a
  73    *  macro that tells you what version you compiled with.
  74    *
  75    *
  76    *  compiled: TSDL_Version;
  77    *  linked: TSDL_Version;
  78    *
  79    *  SDL_VERSION(@compiled);
  80    *  SDL_GetVersion(@linked);
  81    *  WriteLn('We compiled against SDL version: ' +
  82    *           IntToStr(compiled.major) +
  83    *           IntToStr(compiled.minor) +
  84    *           IntToStr(compiled.patch));
  85    *  WriteLn('But we linked against SDL version:' +
  86    *           IntToStr(compiled.major) +
  87    *           IntToStr(compiled.minor) +
  88    *           IntToStr(compiled.patch));
  89    *
  90    *
  91    *  This function may be called safely at any time, even before SDL_Init().
  92    *
  93    *  SDL_VERSION
  94    *}
  95 procedure SDL_GetVersion(ver: PSDL_Version) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetVersion' {$ENDIF} {$ENDIF};
  96
  97   {**
  98    *  Get the code revision of SDL that is linked against your program.
  99    *
 100    *  Returns an arbitrary string (a hash value) uniquely identifying the
 101    *  exact revision of the SDL library in use, and is only useful in comparing
 102    *  against other revisions. It is NOT an incrementing number.
 103    *}
 104 function SDL_GetRevision: PAnsiChar cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRevision' {$ENDIF} {$ENDIF};
 105
 106   {**
 107    *  Get the revision number of SDL that is linked against your program.
 108    *
 109    *  Returns a number uniquely identifying the exact revision of the SDL
 110    *  library in use. It is an incrementing number based on commits to
 111    *  hg.libsdl.org.
 112    *}
 113 function SDL_GetRevisionNumber: SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRevisionNumber' {$ENDIF} {$ENDIF};