mirror of
https://github.com/libretro/snes9x.git
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298 lines
9.2 KiB
C++
298 lines
9.2 KiB
C++
/***********************************************************************************
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
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Jerremy Koot (jkoot@snes9x.com)
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(c) Copyright 2002 - 2004 Matthew Kendora
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(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
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(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
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(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
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(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
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Kris Bleakley (codeviolation@hotmail.com)
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(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
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Nach (n-a-c-h@users.sourceforge.net),
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(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
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(c) Copyright 2006 - 2007 nitsuja
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(c) Copyright 2009 - 2011 BearOso,
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OV2
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BS-X C emulator code
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(c) Copyright 2005 - 2006 Dreamer Nom,
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zones
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C4 x86 assembler and some C emulation code
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(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
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Nach,
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zsKnight (zsknight@zsnes.com)
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C4 C++ code
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(c) Copyright 2003 - 2006 Brad Jorsch,
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Nach
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DSP-1 emulator code
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(c) Copyright 1998 - 2006 _Demo_,
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Andreas Naive (andreasnaive@gmail.com),
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Gary Henderson,
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Ivar (ivar@snes9x.com),
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John Weidman,
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Kris Bleakley,
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Matthew Kendora,
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Nach,
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neviksti (neviksti@hotmail.com)
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DSP-2 emulator code
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(c) Copyright 2003 John Weidman,
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Kris Bleakley,
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Lord Nightmare (lord_nightmare@users.sourceforge.net),
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Matthew Kendora,
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neviksti
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DSP-3 emulator code
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(c) Copyright 2003 - 2006 John Weidman,
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Kris Bleakley,
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Lancer,
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z80 gaiden
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DSP-4 emulator code
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(c) Copyright 2004 - 2006 Dreamer Nom,
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John Weidman,
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Kris Bleakley,
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Nach,
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z80 gaiden
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OBC1 emulator code
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(c) Copyright 2001 - 2004 zsKnight,
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pagefault (pagefault@zsnes.com),
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Kris Bleakley
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Ported from x86 assembler to C by sanmaiwashi
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SPC7110 and RTC C++ emulator code used in 1.39-1.51
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(c) Copyright 2002 Matthew Kendora with research by
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zsKnight,
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John Weidman,
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Dark Force
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SPC7110 and RTC C++ emulator code used in 1.52+
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(c) Copyright 2009 byuu,
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neviksti
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S-DD1 C emulator code
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(c) Copyright 2003 Brad Jorsch with research by
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Andreas Naive,
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John Weidman
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S-RTC C emulator code
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(c) Copyright 2001 - 2006 byuu,
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John Weidman
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ST010 C++ emulator code
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(c) Copyright 2003 Feather,
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John Weidman,
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Kris Bleakley,
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Matthew Kendora
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Super FX x86 assembler emulator code
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(c) Copyright 1998 - 2003 _Demo_,
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pagefault,
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zsKnight
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Super FX C emulator code
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(c) Copyright 1997 - 1999 Ivar,
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Gary Henderson,
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John Weidman
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Sound emulator code used in 1.5-1.51
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(c) Copyright 1998 - 2003 Brad Martin
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(c) Copyright 1998 - 2006 Charles Bilyue'
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Sound emulator code used in 1.52+
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(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
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SH assembler code partly based on x86 assembler code
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(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
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2xSaI filter
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(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
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HQ2x, HQ3x, HQ4x filters
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(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
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NTSC filter
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(c) Copyright 2006 - 2007 Shay Green
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GTK+ GUI code
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(c) Copyright 2004 - 2011 BearOso
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Win32 GUI code
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(c) Copyright 2003 - 2006 blip,
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funkyass,
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Matthew Kendora,
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Nach,
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nitsuja
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(c) Copyright 2009 - 2011 OV2
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Mac OS GUI code
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(c) Copyright 1998 - 2001 John Stiles
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(c) Copyright 2001 - 2011 zones
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Specific ports contains the works of other authors. See headers in
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individual files.
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Snes9x homepage: http://www.snes9x.com/
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Permission to use, copy, modify and/or distribute Snes9x in both binary
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and source form, for non-commercial purposes, is hereby granted without
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fee, providing that this license information and copyright notice appear
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with all copies and any derived work.
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This software is provided 'as-is', without any express or implied
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warranty. In no event shall the authors be held liable for any damages
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arising from the use of this software or it's derivatives.
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Snes9x is freeware for PERSONAL USE only. Commercial users should
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seek permission of the copyright holders first. Commercial use includes,
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but is not limited to, charging money for Snes9x or software derived from
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Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
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using Snes9x as a promotion for your commercial product.
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The copyright holders request that bug fixes and improvements to the code
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should be forwarded to them so everyone can benefit from the modifications
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in future versions.
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Super NES and Super Nintendo Entertainment System are trademarks of
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Nintendo Co., Limited and its subsidiary companies.
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***********************************************************************************/
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#include "CCGShader.h"
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#include "../conffile.h"
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CCGShader::CCGShader(void)
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{
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}
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CCGShader::~CCGShader(void)
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{
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}
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cgScaleType CCGShader::scaleStringToEnum(const char *scale)
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{
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if(!strcasecmp(scale,"source")) {
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return CG_SCALE_SOURCE;
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} else if(!strcasecmp(scale,"viewport")) {
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return CG_SCALE_VIEWPORT;
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} else if(!strcasecmp(scale,"absolute")) {
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return CG_SCALE_ABSOLUTE;
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} else {
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return CG_SCALE_NONE;
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}
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}
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bool CCGShader::LoadShader(const char *path)
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{
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ConfigFile conf;
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int shaderCount;
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char keyName[100];
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shaderPasses.clear();
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lookupTextures.clear();
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if(strlen(path)<4 || strcasecmp(&path[strlen(path)-4],".cgp")) {
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shaderPass pass;
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pass.scaleParams.scaleTypeX = CG_SCALE_NONE;
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pass.scaleParams.scaleTypeY = CG_SCALE_NONE;
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pass.linearFilter = false;
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pass.filterSet = false;
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strcpy(pass.cgShaderFile,path);
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shaderPasses.push_back(pass);
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return true;
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} else {
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conf.LoadFile(path);
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}
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shaderCount = conf.GetInt("::shaders",0);
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if(shaderCount<1)
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return false;
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for(int i=0;i<shaderCount;i++) {
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shaderPass pass;
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sprintf(keyName,"::filter_linear%u",i);
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pass.linearFilter = conf.GetBool(keyName);
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pass.filterSet = conf.Exists(keyName);
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sprintf(keyName,"::scale_type%u",i);
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const char *scaleType = conf.GetString(keyName,"");
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if(!strcasecmp(scaleType,"")) {
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sprintf(keyName,"::scale_type_x%u",i);
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const char *scaleTypeX = conf.GetString(keyName,"");
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if(*scaleTypeX=='\0' && (i!=(shaderCount-1)))
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scaleTypeX = "source";
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pass.scaleParams.scaleTypeX = scaleStringToEnum(scaleTypeX);
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sprintf(keyName,"::scale_type_y%u",i);
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const char *scaleTypeY = conf.GetString(keyName,"");
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if(*scaleTypeY=='\0' && (i!=(shaderCount-1)))
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scaleTypeY = "source";
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pass.scaleParams.scaleTypeY = scaleStringToEnum(scaleTypeY);
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} else {
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cgScaleType sType = scaleStringToEnum(scaleType);
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pass.scaleParams.scaleTypeX = sType;
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pass.scaleParams.scaleTypeY = sType;
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}
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sprintf(keyName,"::scale%u",i);
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const char *scaleFloat = conf.GetString(keyName,"");
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int scaleInt = conf.GetInt(keyName,0);
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if(!strcasecmp(scaleFloat,"")) {
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sprintf(keyName,"::scale_x%u",i);
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const char *scaleFloatX = conf.GetString(keyName,"1.0");
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pass.scaleParams.scaleX = atof(scaleFloatX);
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pass.scaleParams.absX = conf.GetInt(keyName,1);
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sprintf(keyName,"::scale_y%u",i);
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const char *scaleFloatY = conf.GetString(keyName,"1.0");
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pass.scaleParams.scaleY = atof(scaleFloatY);
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pass.scaleParams.absY = conf.GetInt(keyName,1);
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} else {
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float floatval = atof(scaleFloat);
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pass.scaleParams.scaleX = floatval;
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pass.scaleParams.absX = scaleInt;
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pass.scaleParams.scaleY = floatval;
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pass.scaleParams.absY = scaleInt;
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}
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sprintf(keyName,"::shader%u",i);
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strcpy(pass.cgShaderFile,conf.GetString(keyName,""));
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shaderPasses.push_back(pass);
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}
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char *shaderIds = conf.GetStringDup("::textures","");
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char *id = strtok(shaderIds,";");
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while(id!=NULL) {
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lookupTexture tex;
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sprintf(keyName,"::%s",id);
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strcpy(tex.id,id);
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strcpy(tex.texturePath,conf.GetString(keyName,""));
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sprintf(keyName,"::%s_linear",id);
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tex.linearfilter = conf.GetBool(keyName,true);
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lookupTextures.push_back(tex);
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id = strtok(NULL,";");
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}
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free(shaderIds);
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return true;
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}
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