src/lib/sdl2/sdlcpuinfo.inc

   1
   2 {* This is a guess for the cacheline size used for padding.
   3  * Most x86 processors have a 64 byte cache line.
   4  * The 64-bit PowerPC processors have a 128 byte cache line.
   5  * We'll use the larger value to be generally safe.
   6  *}
   7 const
   8   SDL_CACHELINE_SIZE = 128;
   9
  10 {**
  11  *  This function returns the number of CPU cores available.
  12  *}
  13 function SDL_GetCPUCount(): Integer; cdecl external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetCPUCount' {$ENDIF} {$ENDIF};
  14
  15 {**
  16  *  This function returns the L1 cache line size of the CPU
  17  *
  18  *  This is useful for determining multi-threaded structure padding
  19  *  or SIMD prefetch sizes.
  20  *}
  21 function SDL_GetCPUCacheLineSize(): Integer cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetCPUCacheLineSize' {$ENDIF} {$ENDIF};
  22
  23 {**
  24  *  This function returns true if the CPU has the RDTSC instruction.
  25  *}
  26 function SDL_HasRDTSC(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasRDTSC' {$ENDIF} {$ENDIF};
  27
  28 {**
  29  *  This function returns true if the CPU has AltiVec features.
  30  *}
  31 function SDL_HasAltiVec(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasAltiVec' {$ENDIF} {$ENDIF};
  32
  33 {**
  34  *  This function returns true if the CPU has MMX features.
  35  *}
  36 function SDL_HasMMX(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasMMX' {$ENDIF} {$ENDIF};
  37
  38 {**
  39  *  This function returns true if the CPU has 3DNow! features.
  40  *}
  41 function SDL_Has3DNow(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_Has3DNow' {$ENDIF} {$ENDIF};
  42
  43 {**
  44  *  This function returns true if the CPU has SSE features.
  45  *}
  46 function SDL_HasSSE(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasSSE' {$ENDIF} {$ENDIF};
  47
  48 {**
  49  *  This function returns true if the CPU has SSE2 features.
  50  *}
  51 function SDL_HasSSE2(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasSSE2' {$ENDIF} {$ENDIF};
  52
  53 {**
  54  *  This function returns true if the CPU has SSE3 features.
  55  *}
  56 function SDL_HasSSE3(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasSSE3' {$ENDIF} {$ENDIF};
  57
  58 {**
  59  *  This function returns true if the CPU has SSE4.1 features.
  60  *}
  61 function SDL_HasSSE41(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasSSE41' {$ENDIF} {$ENDIF};
  62
  63 {**
  64  *  This function returns true if the CPU has SSE4.2 features.
  65  *}
  66 function SDL_HasSSE42(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasSSE42' {$ENDIF} {$ENDIF};
  67
  68 {**
  69  *  This function returns true if the CPU has AVX features.
  70  *}
  71 function SDL_HasAVX(): TSDL_Bool cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_HasAVX' {$ENDIF} {$ENDIF};
  72
  73 {**
  74  *  This function returns the amount of RAM configured in the system, in MB.
  75  *}
  76 function SDL_GetSystemRAM(): Integer cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetSystemRAM' {$ENDIF} {$ENDIF};
  77