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q_extra.pas
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q_extra.pas
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// ------------------------------------------------------------------------------
// DelphiQuake, Copyright (C) 2005-2011 by Jim Valavanis
// E-Mail: jimmyvalavanis@yahoo.gr
//
// Copyright (C) 1996-1997 Id Software, Inc.
//
// 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 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// ------------------------------------------------------------------------------
{$I dquake.inc}
unit q_extra;
interface
procedure QEX_Init;
procedure QEX_Shutdown;
implementation
uses
q_delphi,
common,
gl_sky,
t_main,
w_pak;
procedure Ex_DetectCPU;
begin
try
// detect MMX and 3DNow! capable CPU (adapted from AMD's "3DNow! Porting Guide")
asm
pusha
mov eax, $80000000
cpuid
cmp eax, $80000000
jbe @@NoMMX3DNow
mov mmxMachine, 1
mov eax, $80000001
cpuid
test edx, $80000000
jz @@NoMMX3DNow
mov AMD3DNowMachine, 1
@@NoMMX3DNow:
popa
end;
except
// trap for old/exotics CPUs
mmxMachine := 0;
AMD3DNowMachine := 0;
end;
if mmxMachine <> 0 then
printf(' MMX extentions detected'#13#10);
if AMD3DNowMachine <> 0 then
printf(' AMD 3D Now! extentions detected'#13#10);
end;
procedure Ex_AddPAKFiles(parm: PChar);
var
p: integer;
begin
p := Com_CheckParm(parm);
if p <> 0 then
begin
inc(p);
while (p < com_argc) and boolval(com_argv[p]) and (com_argv[p]^ <> '-') do
begin
PAK_AddFile(com_argv[p]);
inc(p);
end;
end;
end;
procedure QEX_Init;
begin
Ex_DetectCPU;
T_Init;
PAK_InitFileSystem;
Ex_AddPAKFiles('-pakfile');
end;
procedure QEX_Shutdown;
begin
T_ShutDown;
PAK_ShutDown;
GL_ShutdownSky;
end;
end.