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/***************************************************************************
external.h - description
-------------------
begin : Sun Mar 08 2009
copyright : (C) 1999-2009 by Pete Bernert
web : www.pbernert.com
***************************************************************************/
/***************************************************************************
* *
* 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. See also the license.txt file for *
* additional informations. *
* *
***************************************************************************/
#define MIRROR_TEST 1
#define SCISSOR_TEST 1
// for own sow/tow scaling
#define OWNSCALE 1
#define CLUTUSED 0x80000000
#define SETCOL(x) if(x.c.lcol!=ulOLDCOL) {ulOLDCOL=x.c.lcol;glColor4ubv(x.c.col);}
#define SETPCOL(x) if(x->c.lcol!=ulOLDCOL) {ulOLDCOL=x->c.lcol;glColor4ubv(x->c.col);}
#define GL_TO_EDGE_CLAMP 0x812F
#define INFO_TW 0
#define INFO_DRAWSTART 1
#define INFO_DRAWEND 2
#define INFO_DRAWOFF 3
#define SIGNSHIFT 21
#define CHKMAX_X 1024
#define CHKMAX_Y 512
// GPU STATUS REGISTER bit values (c) Lewpy
#define DR_NORMAL 0
#define DR_VRAMTRANSFER 1
#define GPUSTATUS_ODDLINES 0x80000000
#define GPUSTATUS_DMABITS 0x60000000 // Two bits
#define GPUSTATUS_READYFORCOMMANDS 0x10000000
#define GPUSTATUS_READYFORVRAM 0x08000000
#define GPUSTATUS_IDLE 0x04000000
#define GPUSTATUS_DISPLAYDISABLED 0x00800000
#define GPUSTATUS_INTERLACED 0x00400000
#define GPUSTATUS_RGB24 0x00200000
#define GPUSTATUS_PAL 0x00100000
#define GPUSTATUS_DOUBLEHEIGHT 0x00080000
#define GPUSTATUS_WIDTHBITS 0x00070000 // Three bits
#define GPUSTATUS_MASKENABLED 0x00001000
#define GPUSTATUS_MASKDRAWN 0x00000800
#define GPUSTATUS_DRAWINGALLOWED 0x00000400
#define GPUSTATUS_DITHER 0x00000200
#define STATUSREG lGPUstatusRet
#define GPUIsBusy (STATUSREG &= ~GPUSTATUS_IDLE)
#define GPUIsIdle (STATUSREG |= GPUSTATUS_IDLE)
#define GPUIsNotReadyForCommands (STATUSREG &= ~GPUSTATUS_READYFORCOMMANDS)
#define GPUIsReadyForCommands (STATUSREG |= GPUSTATUS_READYFORCOMMANDS)
#define KEY_RESETTEXSTORE 1
#define KEY_SHOWFPS 2
#define KEY_RESETOPAQUE 4
#define KEY_RESETDITHER 8
#define KEY_RESETFILTER 16
#define KEY_RESETADVBLEND 32
#define KEY_BLACKWHITE 64
#define KEY_TOGGLEFBTEXTURE 128
#define KEY_STEPDOWN 256
#define KEY_TOGGLEFBREAD 512
#define FALSE 0
#define TRUE 1
#define BOOL unsigned short
#define bool unsigned short
#define LOWORD(l) ((unsigned short)(l))
#define HIWORD(l) ((unsigned short)(((uint32_t)(l) >> 16) & 0xFFFF))
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define DWORD uint32_t
typedef struct RECTTAG
{
int left;
int top;
int right;
int bottom;
}RECT;
typedef struct VRAMLOADTAG
{
short x;
short y;
short Width;
short Height;
short RowsRemaining;
short ColsRemaining;
unsigned short *ImagePtr;
} VRAMLoad_t;
typedef struct PSXPOINTTAG
{
int x;
int y;
} PSXPoint_t;
typedef struct PSXSPOINTTAG
{
short x;
short y;
} PSXSPoint_t;
typedef struct PSXRECTTAG
{
short x0;
short x1;
short y0;
short y1;
} PSXRect_t;
typedef struct TWINTAG
{
PSXRect_t Position;
PSXRect_t OPosition;
PSXPoint_t TextureSize;
float UScaleFactor;
float VScaleFactor;
} TWin_t;
typedef struct PSXDISPLAYTAG
{
PSXPoint_t DisplayModeNew;
PSXPoint_t DisplayMode;
PSXPoint_t DisplayPosition;
PSXPoint_t DisplayEnd;
int Double;
int Height;
int PAL;
int InterlacedNew;
int Interlaced;
int InterlacedTest;
int RGB24New;
int RGB24;
PSXSPoint_t DrawOffset;
PSXRect_t DrawArea;
PSXPoint_t GDrawOffset;
PSXPoint_t CumulOffset;
int Disabled;
PSXRect_t Range;
} PSXDisplay_t;
typedef struct OGLVertexTag
{
GLfloat x;
GLfloat y;
GLfloat z;
GLfloat sow;
GLfloat tow;
union COLTAG
{
unsigned char col[4];
unsigned int lcol;
} c;
} OGLVertex;
typedef union EXShortTag
{
unsigned char c[2];
unsigned short s;
} EXShort;
typedef union EXLongTag
{
unsigned char c[4];
unsigned int l;
EXShort s[2];
} EXLong;
#ifndef _IN_CFG
extern char *pConfigFile;
#endif
#ifndef _IN_DRAW
extern int iResX;
extern int iResY;
extern BOOL bKeepRatio;
extern RECT rRatioRect;
extern BOOL bSnapShot;
extern BOOL bSmallAlpha;
extern BOOL bOpaquePass;
extern BOOL bAdvancedBlend;
extern BOOL bUseLines;
extern int iTexQuality;
extern BOOL bUseAntiAlias;
extern BOOL bGLExt;
extern BOOL bGLFastMovie;
extern BOOL bGLSoft;
extern BOOL bGLBlend;
extern PFNGLBLENDEQU glBlendEquationEXTEx;
extern PFNGLCOLORTABLEEXT glColorTableEXTEx;
extern unsigned char gl_ux[8];
extern unsigned char gl_vy[8];
extern OGLVertex vertex[4];
extern short sprtY,sprtX,sprtH,sprtW;
extern BOOL bIsFirstFrame;
extern int iWinSize;
extern int iZBufferDepth;
extern GLbitfield uiBufferBits;
extern int iUseMask;
extern int iSetMask;
extern int iDepthFunc;
extern BOOL bCheckMask;
extern unsigned short sSetMask;
extern uint32_t lSetMask;
extern int iShowFPS;
extern BOOL bSetClip;
extern int iForceVSync;
extern int iUseExts;
extern int iUsePalTextures;
extern GLuint gTexScanName;
#endif
#ifndef _IN_SOFT
extern int GlobalTextAddrX,GlobalTextAddrY,GlobalTextTP;
extern int GlobalTextREST,GlobalTextABR,GlobalTextPAGE;
extern short ly0,lx0,ly1,lx1,ly2,lx2,ly3,lx3;
extern short g_m1;
extern short g_m2;
extern short g_m3;
extern short DrawSemiTrans;
#endif
#ifndef _IN_PRIMDRAW
extern BOOL bNeedUploadTest;
extern BOOL bNeedUploadAfter;
extern BOOL bTexEnabled;
extern BOOL bBlendEnable;
extern BOOL bDrawDither;
extern int iFilterType;
extern BOOL bFullVRam;
extern BOOL bUseMultiPass;
extern int iOffscreenDrawing;
extern BOOL bOldSmoothShaded;
extern BOOL bUsingTWin;
extern BOOL bUsingMovie;
extern PSXRect_t xrMovieArea;
extern PSXRect_t xrUploadArea;
extern PSXRect_t xrUploadAreaIL;
extern PSXRect_t xrUploadAreaRGB24;
extern GLuint gTexName;
extern BOOL bDrawNonShaded;
extern BOOL bDrawMultiPass;
extern GLubyte ubGloColAlpha;
extern GLubyte ubGloAlpha;
extern short sSprite_ux2;
extern short sSprite_vy2;
extern BOOL bRenderFrontBuffer;
extern uint32_t ulOLDCOL;
extern uint32_t ulClutID;
extern void (*primTableJ[256])(unsigned char *);
extern void (*primTableSkip[256])(unsigned char *);
extern unsigned short usMirror;
extern uint32_t dwCfgFixes;
extern uint32_t dwActFixes;
extern uint32_t dwEmuFixes;
extern BOOL bUseFixes;
extern int iSpriteTex;
extern int iDrawnSomething;
extern int drawX;
extern int drawY;
extern int drawW;
extern int drawH;
extern short sxmin;
extern short sxmax;
extern short symin;
extern short symax;
#endif
#ifndef _IN_TEXTURE
extern unsigned char ubOpaqueDraw;
extern GLint giWantedRGBA;
extern GLint giWantedFMT;
extern GLint giWantedTYPE;
extern void (*LoadSubTexFn) (int,int,short,short);
extern int GlobalTexturePage;
extern uint32_t (*TCF[]) (uint32_t);
extern unsigned short (*PTCF[]) (unsigned short);
extern uint32_t (*PalTexturedColourFn) (uint32_t);
extern BOOL bUseFastMdec;
extern BOOL bUse15bitMdec;
extern int iFrameTexType;
extern int iFrameReadType;
extern int iClampType;
extern int iSortTexCnt;
extern BOOL bFakeFrontBuffer;
extern GLuint gTexFrameName;
extern GLuint gTexBlurName;
extern int iVRamSize;
extern int iTexGarbageCollection;
extern int iFTexA;
extern int iFTexB;
extern int iHiResTextures;
extern BOOL bIgnoreNextTile;
#endif
#ifndef _IN_GPU
extern VRAMLoad_t VRAMWrite;
extern VRAMLoad_t VRAMRead;
extern int iDataWriteMode;
extern int iDataReadMode;
extern int iColDepth;
extern BOOL bChangeRes;
extern BOOL bWindowMode;
extern char szDispBuf[];
extern char szGPUKeys[];
extern PSXDisplay_t PSXDisplay;
extern PSXDisplay_t PreviousPSXDisplay;
extern uint32_t ulKeybits;
extern TWin_t TWin;
extern BOOL bDisplayNotSet;
extern int lGPUstatusRet;
extern short imageX0,imageX1;
extern short imageY0,imageY1;
extern int lClearOnSwap,lClearOnSwapColor;
extern unsigned char *psxVub;
extern signed char *psxVsb;
extern unsigned short *psxVuw;
extern signed short *psxVsw;
extern uint32_t *psxVul;
extern signed int *psxVsl;
extern GLfloat gl_z;
extern BOOL bNeedRGB24Update;
extern BOOL bChangeWinMode;
extern GLuint uiScanLine;
extern int iUseScanLines;
extern int lSelectedSlot;
extern int iScanBlend;
extern BOOL bInitCap;
extern int iBlurBuffer;
extern int iLastRGB24;
extern int iRenderFVR;
extern int iNoScreenSaver;
extern uint32_t ulGPUInfoVals[];
extern BOOL bNeedInterlaceUpdate;
extern BOOL bNeedWriteUpload;
extern BOOL bSkipNextFrame;
extern int bFullScreen;
#endif
#ifndef _IN_MENU
extern uint32_t dwCoreFlags;
extern GLuint gTexPicName;
extern PSXPoint_t ptCursorPoint[];
extern unsigned short usCursorActive;
#endif
#ifndef _IN_FPS
extern BOOL bUseFrameLimit;
extern BOOL bUseFrameSkip;
extern float fFrameRate;
extern float fFrameRateHz;
extern int iFrameLimit;
extern float fps_skip;
extern float fps_cur;
#endif
#ifndef _IN_KEY
extern uint32_t ulKeybits;
#endif
#ifndef _IN_ZN
extern uint32_t dwGPUVersion;
extern int iGPUHeight;
extern int iGPUHeightMask;
extern int GlobalTextIL;
extern int iTileCheat;
#endif
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