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#ifndef _GPU_INTERNALS_H
#define _GPU_INTERNALS_H
#define GL_GLEXT_PROTOTYPES
#include <GL/glx.h>
#include <GL/gl.h>
#include <GL/glext.h>
#include <stdint.h>
#ifdef GPU_INTERNALS_DEF
#define GPUVAR_DEF
#else
#define GPUVAR_DEF extern
#endif
typedef int bool;
#define FALSE 0
#define TRUE 1
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef int64_t s64;
void gllog(int level, char *fmt,...);
extern unsigned short lutBGR2RGB[65536];
extern unsigned short textBuf[];
extern int32_t GPUstatusRet;
extern int32_t GPUInfoVals[16];
#define INFO_TW 0
#define INFO_DRAWSTART 1
#define INFO_DRAWEND 2
#define INFO_DRAWOFF 3
#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 GPUIsBusy (GPUstatusRet &= ~GPUSTATUS_IDLE)
#define GPUIsIdle (GPUstatusRet |= GPUSTATUS_IDLE)
#define GPUIsNotReadyForCommands (GPUstatusRet &= ~GPUSTATUS_READYFORCOMMANDS)
#define GPUIsReadyForCommands (GPUstatusRet |= GPUSTATUS_READYFORCOMMANDS)
extern unsigned char psxVub[];
extern signed char *psxVsb;
extern unsigned short *psxVuw;
extern signed short *psxVsw;
extern uint32_t *psxVul;
extern int32_t *psxVsl;
typedef struct {
uint32_t x, y;
uint32_t colormode;
uint32_t abr; //alpha blending
uint32_t mirror;
} TextureState_t;
extern TextureState_t texinfo;
typedef struct VRAMLOADTTAG
{
short x;
short y;
short w;
short h;
short curx;
short cury;
uint32_t* extratarget;
bool enabled;
} VRAMLoad_t;
extern VRAMLoad_t vramWrite;
struct PSXDisplay_t {
short modeX;
short modeY;
short startX;
short startY;
bool disabled;
bool colordepth24;
bool interlaced;
bool pal;
//Has to do with television hsync & vsync?
//1 Y line = 1 vtrace? (typical 16 to 256 (32 to 512))
//X (typical 608 to 3168)
short rangeX1;
short rangeY1;
short rangeX2;
short rangeY2;
bool changed;
};
extern struct PSXDisplay_t psxDisp, oldpsxDisp;
struct PSXDraw_t {
short offsetX;
short offsetY;
short clipX1;
short clipX2;
short clipY1;
short clipY2;
short texwinX1;
short texwinY1;
short texwinX2;
short texwinY2;
bool texwinenabled;
bool enabled;
bool setmask;
bool testmask;
};
extern struct PSXDraw_t psxDraw;
extern short dispWidths[8];
extern int32_t dispLace;
extern int32_t dispLaceNew;
extern int32_t imageTransfer;
extern int32_t drawLace;
extern int32_t drawingLines;
extern short imTYc,imTXc,imTY,imTX;
extern int32_t imSize;
extern short imageX0,imageX1;
extern short imageY0,imageY1;
extern int32_t newTextX0,newTextX1,newTextX2,newTextX3;
extern int32_t newTextY0,newTextY1,newTextY2,newTextY3;
extern unsigned short textBuf[];
union uPointers{
void *v;
unsigned char *b;
unsigned short *w;
uint32_t *d;
char *c;
short *s;
int32_t *l;
};
extern unsigned char psxVub[];
extern signed char *psxVsb;
extern unsigned short *psxVuw;
extern signed short *psxVsw;
extern uint32_t *psxVul;
extern int32_t *psxVsl;
typedef struct
{
bool bFullscreen;
bool bBilinear;
int nMaxTextures;
bool bWireFrame;
bool bAntialias;
bool bClearScreen;
bool FrameLimit;
short windowX;
short windowY;
} GpuConfS;
extern GpuConfS gpuConfig;
extern short windowX, windowY;
extern unsigned char texshade[256];
extern uint32_t image[65536];
extern uint32_t torgba[65536];
struct texturecache{
int32_t textAddrX;
int32_t textAddrY;
int32_t textTP;
int32_t clutP;
GLuint id;
bool Update;
};
//#define maxtextures 32
extern struct texturecache texture[64];
extern GLuint xferTexture16;
extern GLuint xferTexture24;
extern GLuint nullid;
#define nullclutP (1024*512+1)
#endif // _GPU_INTERNALS_H
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