[pcsx_rearmed.git] / plugins / dfxvideo / gpulib_if.c

/***************************************************************************
    copyright            : (C) 2001 by Pete Bernert, 2011 notaz

 ***************************************************************************/
/***************************************************************************
 *                                                                         *
 *   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.                                              *
 *                                                                         *
 ***************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../gpulib/gpu.h"
#include "../../include/arm_features.h"

#if defined(__GNUC__) && (__GNUC__ >= 6 || (defined(__clang_major__) && __clang_major__ >= 10))
#pragma GCC diagnostic ignored "-Wmisleading-indentation"
#endif

#define u32 uint32_t

#define INFO_TW        0
#define INFO_DRAWSTART 1
#define INFO_DRAWEND   2
#define INFO_DRAWOFF   3

#define SHADETEXBIT(x) ((x>>24) & 0x1)
#define SEMITRANSBIT(x) ((x>>25) & 0x1)
#define PSXRGB(r,g,b) ((g<<10)|(b<<5)|r)

#define DATAREGISTERMODES unsigned short

#define DR_NORMAL        0
#define DR_VRAMTRANSFER  1

#define GPUSTATUS_READYFORVRAM        0x08000000

// byteswappings

#define SWAP16(x) __builtin_bswap16(x)
#define SWAP32(x) __builtin_bswap32(x)

#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

// big endian config
#define HOST2LE32(x) SWAP32(x)
#define HOST2BE32(x) (x)
#define LE2HOST32(x) SWAP32(x)
#define BE2HOST32(x) (x)

#define HOST2LE16(x) SWAP16(x)
#define HOST2BE16(x) (x)
#define LE2HOST16(x) SWAP16(x)
#define BE2HOST16(x) (x)

#else

// little endian config
#define HOST2LE32(x) (x)
#define HOST2BE32(x) SWAP32(x)
#define LE2HOST32(x) (x)
#define BE2HOST32(x) SWAP32(x)

#define HOST2LE16(x) (x)
#define HOST2BE16(x) SWAP16(x)
#define LE2HOST16(x) (x)
#define BE2HOST16(x) SWAP16(x)

#endif

#define GETLEs16(X) ((int16_t)GETLE16((uint16_t *)(X)))

#define GETLE16(X) LE2HOST16(*(uint16_t *)(X))
#define GETLE32_(X) LE2HOST32(*(uint32_t *)(X))
#define PUTLE16(X, Y) do{*((uint16_t *)(X))=HOST2LE16((uint16_t)(Y));}while(0)
#define PUTLE32_(X, Y) do{*((uint32_t *)(X))=HOST2LE32((uint32_t)(Y));}while(0)
#if defined(__arm__) && !defined(HAVE_ARMV6)
// for (very) old ARMs with no unaligned loads?
#define GETLE32(X) (*(uint16_t *)(X)|((uint32_t)((uint16_t *)(X))[1]<<16))
#define PUTLE32(X, Y) do{uint16_t *p_=(uint16_t *)(X);uint32_t y_=Y;p_[0]=y_;p_[1]=y_>>16;}while(0)
#else
#define GETLE32 GETLE32_
#define PUTLE32 PUTLE32_
#endif

/////////////////////////////////////////////////////////////////////////////

typedef struct VRAMLOADTTAG
{
 short x;
 short y;
 short Width;
 short Height;
 short RowsRemaining;
 short ColsRemaining;
 unsigned short *ImagePtr;
} VRAMLoad_t;

/////////////////////////////////////////////////////////////////////////////

typedef struct PSXPOINTTAG
{
 int32_t x;
 int32_t 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;

// linux defines for some windows stuff

#define FALSE 0
#define TRUE 1
#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
#ifndef __int64
#define __int64 long long int
#endif

typedef struct RECTTAG
{
 int left;
 int top;
 int right;
 int bottom;
}RECT;

/////////////////////////////////////////////////////////////////////////////

typedef struct TWINTAG
{
 PSXRect_t  Position;
 int xmask, ymask;
} TWin_t;

/////////////////////////////////////////////////////////////////////////////

typedef struct PSXDISPLAYTAG
{
 PSXPoint_t  DisplayModeNew;
 PSXPoint_t  DisplayMode;
 PSXPoint_t  DisplayPosition;
 PSXPoint_t  DisplayEnd;

 int32_t        Double;
 int32_t        Height;
 int32_t        PAL;
 int32_t        InterlacedNew;
 int32_t        Interlaced;
 int32_t        RGB24New;
 int32_t        RGB24;
 PSXSPoint_t DrawOffset;
 int32_t        Disabled;
 PSXRect_t   Range;

} PSXDisplay_t;

/////////////////////////////////////////////////////////////////////////////

// draw.c

extern int32_t           GlobalTextAddrX,GlobalTextAddrY,GlobalTextTP;
extern int32_t           GlobalTextABR,GlobalTextPAGE;
extern short          ly0,lx0,ly1,lx1,ly2,lx2,ly3,lx3;
extern long           lLowerpart;
extern BOOL           bCheckMask;
extern unsigned short sSetMask;
extern unsigned long  lSetMask;
extern short          g_m1;
extern short          g_m2;
extern short          g_m3;
extern short          DrawSemiTrans;

// prim.c

extern BOOL           bUsingTWin;
extern TWin_t         TWin;
extern void (*primTableJ[256])(unsigned char *);
extern void (*primTableSkip[256])(unsigned char *);
extern unsigned short  usMirror;
extern int            iDither;
extern uint32_t  dwCfgFixes;
extern uint32_t  dwActFixes;
extern int            iUseFixes;
extern int            iUseDither;
extern BOOL           bDoVSyncUpdate;
extern int32_t           drawX;
extern int32_t           drawY;
extern int32_t           drawW;
extern int32_t           drawH;

// gpu.h

#define OPAQUEON   10
#define OPAQUEOFF  11

#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_BADTEXTURES   128
#define KEY_CHECKTHISOUT  256

#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define RED(x) (x & 0xff)
#define BLUE(x) ((x>>16) & 0xff)
#define GREEN(x) ((x>>8) & 0xff)
#define COLOR(x) (x & 0xffffff)
#else
#define RED(x) ((x>>24) & 0xff)
#define BLUE(x) ((x>>8) & 0xff)
#define GREEN(x) ((x>>16) & 0xff)
#define COLOR(x) SWAP32(x & 0xffffff)
#endif

PSXDisplay_t      PSXDisplay;
unsigned char  *psxVub;
unsigned short *psxVuw;
unsigned short *psxVuw_eom;

long              lGPUstatusRet;
uint32_t          lGPUInfoVals[16];

VRAMLoad_t        VRAMWrite;
VRAMLoad_t        VRAMRead;

DATAREGISTERMODES DataWriteMode;
DATAREGISTERMODES DataReadMode;

BOOL           bCheckMask = FALSE;
unsigned short sSetMask = 0;
unsigned long  lSetMask = 0;
long           lLowerpart;

#if defined(__GNUC__) && __GNUC__ >= 6
#pragma GCC diagnostic ignored "-Wmisleading-indentation"
#endif

#include "soft.c"
#include "prim.c"

/////////////////////////////////////////////////////////////////////////////

static void set_vram(void *vram)
{
 psxVub=vram;
 psxVuw=(unsigned short *)psxVub;
 psxVuw_eom=psxVuw+1024*512;                           // pre-calc of end of vram
}

int renderer_init(void)
{
 set_vram(gpu.vram);

 PSXDisplay.RGB24        = FALSE;                      // init some stuff
 PSXDisplay.Interlaced   = FALSE;
 PSXDisplay.DrawOffset.x = 0;
 PSXDisplay.DrawOffset.y = 0;
 PSXDisplay.DisplayMode.x= 320;
 PSXDisplay.DisplayMode.y= 240;
 PSXDisplay.Disabled     = FALSE;
 PSXDisplay.Range.x0=0;
 PSXDisplay.Range.x1=0;
 PSXDisplay.Double = 1;

 DataWriteMode = DR_NORMAL;
 lGPUstatusRet = 0x14802000;

 return 0;
}

void renderer_finish(void)
{
}

void renderer_notify_res_change(void)
{
}

void renderer_notify_scanout_change(int x, int y)
{
}

#include "../gpulib/gpu_timing.h"
extern const unsigned char cmd_lengths[256];

int do_cmd_list(uint32_t *list, int list_len,
 int *cycles_sum_out, int *cycles_last, int *last_cmd)
{
  int cpu_cycles_sum = 0, cpu_cycles = *cycles_last;
  unsigned int cmd = 0, len;
  uint32_t *list_start = list;
  uint32_t *list_end = list + list_len;

  for (; list < list_end; list += 1 + len)
  {
    short *slist = (void *)list;
    cmd = GETLE32(list) >> 24;
    len = cmd_lengths[cmd];
    if (list + 1 + len > list_end) {
      cmd = -1;
      break;
    }

#ifndef TEST
    if (0x80 <= cmd && cmd < 0xe0)
      break; // image i/o, forward to upper layer
    else if ((cmd & 0xf8) == 0xe0)
      gpu.ex_regs[cmd & 7] = GETLE32(list);
#endif

    primTableJ[cmd]((void *)list);

    switch(cmd)
    {
      case 0x48 ... 0x4F:
      {
        u32 num_vertexes = 2;
        u32 *list_position = &(list[3]);

        while(1)
        {
          gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));

          if(list_position >= list_end) {
            cmd = -1;
            goto breakloop;
          }

          if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
            break;

          list_position++;
          num_vertexes++;
        }

        len += (num_vertexes - 2);
        break;
      }

      case 0x58 ... 0x5F:
      {
        u32 num_vertexes = 2;
        u32 *list_position = &(list[4]);

        while(1)
        {
          gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));

          if(list_position >= list_end) {
            cmd = -1;
            goto breakloop;
          }

          if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
            break;

          list_position += 2;
          num_vertexes++;
        }

        len += (num_vertexes - 2) * 2;
        break;
      }

#ifdef TEST
      case 0xA0:          //  sys -> vid
      {
        u32 load_width = LE2HOST16(slist[4]);
        u32 load_height = LE2HOST16(slist[5]);
        u32 load_size = load_width * load_height;

        len += load_size / 2;
        break;
      }
#endif

      // timing
      case 0x02:
        gput_sum(cpu_cycles_sum, cpu_cycles,
            gput_fill(LE2HOST16(slist[4]) & 0x3ff, LE2HOST16(slist[5]) & 0x1ff));
        break;
      case 0x20 ... 0x23: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base());    break;
      case 0x24 ... 0x27: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_t());  break;
      case 0x28 ... 0x2B: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base());    break;
      case 0x2C ... 0x2F: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_t());  break;
      case 0x30 ... 0x33: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_g());  break;
      case 0x34 ... 0x37: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_gt()); break;
      case 0x38 ... 0x3B: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_g());  break;
      case 0x3C ... 0x3F: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_gt()); break;
      case 0x40 ... 0x47: gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));        break;
      case 0x50 ... 0x57: gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));        break;
      case 0x60 ... 0x63:
        gput_sum(cpu_cycles_sum, cpu_cycles,
            gput_sprite(LE2HOST16(slist[4]) & 0x3ff, LE2HOST16(slist[5]) & 0x1ff));
        break;
      case 0x64 ... 0x67:
        gput_sum(cpu_cycles_sum, cpu_cycles,
            gput_sprite(LE2HOST16(slist[6]) & 0x3ff, LE2HOST16(slist[7]) & 0x1ff));
        break;
      case 0x68 ... 0x6B: gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(1, 1));   break;
      case 0x70 ... 0x73:
      case 0x74 ... 0x77: gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(8, 8));   break;
      case 0x78 ... 0x7B:
      case 0x7C ... 0x7F: gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(16, 16)); break;
    }
  }

breakloop:
  gpu.ex_regs[1] &= ~0x1ff;
  gpu.ex_regs[1] |= lGPUstatusRet & 0x1ff;

  *cycles_sum_out += cpu_cycles_sum;
  *cycles_last = cpu_cycles;
  *last_cmd = cmd;
  return list - list_start;
}

void renderer_sync_ecmds(uint32_t *ecmds_)
{
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  // the funcs below expect LE
  uint32_t i, ecmds[8];
  for (i = 1; i <= 6; i++)
    ecmds[i] = HTOLE32(ecmds_[i]);
#else
  uint32_t *ecmds = ecmds_;
#endif
  cmdTexturePage((unsigned char *)&ecmds[1]);
  cmdTextureWindow((unsigned char *)&ecmds[2]);
  cmdDrawAreaStart((unsigned char *)&ecmds[3]);
  cmdDrawAreaEnd((unsigned char *)&ecmds[4]);
  cmdDrawOffset((unsigned char *)&ecmds[5]);
  cmdSTP((unsigned char *)&ecmds[6]);
}

void renderer_update_caches(int x, int y, int w, int h, int state_changed)
{
}

void renderer_flush_queues(void)
{
}

void renderer_set_interlace(int enable, int is_odd)
{
}

#include "../../frontend/plugin_lib.h"

void renderer_set_config(const struct rearmed_cbs *cbs)
{
 iUseDither = cbs->gpu_peops.iUseDither;
 dwActFixes = cbs->gpu_peops.dwActFixes;
 if (cbs->pl_set_gpu_caps)
  cbs->pl_set_gpu_caps(0);
 set_vram(gpu.vram);
}

// vim:ts=2:shiftwidth=2:expandtab
Commit	Line	Data
	1	/***************************************************************************
	2	copyright : (C) 2001 by Pete Bernert, 2011 notaz
	3
	4	***************************************************************************/
	5	/***************************************************************************
	6	* *
	7	* This program is free software; you can redistribute it and/or modify *
	8	* it under the terms of the GNU General Public License as published by *
	9	* the Free Software Foundation; either version 2 of the License, or *
	10	* (at your option) any later version. See also the license.txt file for *
	11	* additional informations. *
	12	* *
	13	***************************************************************************/
	14
	15	#include <stdio.h>
	16	#include <stdlib.h>
	17	#include <string.h>
	18	#include "../gpulib/gpu.h"
	19	#include "../../include/arm_features.h"
	20
	21	#if defined(__GNUC__) && (__GNUC__ >= 6 \|\| (defined(__clang_major__) && __clang_major__ >= 10))
	22	#pragma GCC diagnostic ignored "-Wmisleading-indentation"
	23	#endif
	24
	25	#define u32 uint32_t
	26
	27	#define INFO_TW 0
	28	#define INFO_DRAWSTART 1
	29	#define INFO_DRAWEND 2
	30	#define INFO_DRAWOFF 3
	31
	32	#define SHADETEXBIT(x) ((x>>24) & 0x1)
	33	#define SEMITRANSBIT(x) ((x>>25) & 0x1)
	34	#define PSXRGB(r,g,b) ((g<<10)\|(b<<5)\|r)
	35
	36	#define DATAREGISTERMODES unsigned short
	37
	38	#define DR_NORMAL 0
	39	#define DR_VRAMTRANSFER 1
	40
	41	#define GPUSTATUS_READYFORVRAM 0x08000000
	42
	43	// byteswappings
	44
	45	#define SWAP16(x) __builtin_bswap16(x)
	46	#define SWAP32(x) __builtin_bswap32(x)
	47
	48	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	49
	50	// big endian config
	51	#define HOST2LE32(x) SWAP32(x)
	52	#define HOST2BE32(x) (x)
	53	#define LE2HOST32(x) SWAP32(x)
	54	#define BE2HOST32(x) (x)
	55
	56	#define HOST2LE16(x) SWAP16(x)
	57	#define HOST2BE16(x) (x)
	58	#define LE2HOST16(x) SWAP16(x)
	59	#define BE2HOST16(x) (x)
	60
	61	#else
	62
	63	// little endian config
	64	#define HOST2LE32(x) (x)
	65	#define HOST2BE32(x) SWAP32(x)
	66	#define LE2HOST32(x) (x)
	67	#define BE2HOST32(x) SWAP32(x)
	68
	69	#define HOST2LE16(x) (x)
	70	#define HOST2BE16(x) SWAP16(x)
	71	#define LE2HOST16(x) (x)
	72	#define BE2HOST16(x) SWAP16(x)
	73
	74	#endif
	75
	76	#define GETLEs16(X) ((int16_t)GETLE16((uint16_t *)(X)))
	77
	78	#define GETLE16(X) LE2HOST16((uint16_t )(X))
	79	#define GETLE32_(X) LE2HOST32((uint32_t )(X))
	80	#define PUTLE16(X, Y) do{((uint16_t )(X))=HOST2LE16((uint16_t)(Y));}while(0)
	81	#define PUTLE32_(X, Y) do{((uint32_t )(X))=HOST2LE32((uint32_t)(Y));}while(0)
	82	#if defined(__arm__) && !defined(HAVE_ARMV6)
	83	// for (very) old ARMs with no unaligned loads?
	84	#define GETLE32(X) ((uint16_t )(X)\|((uint32_t)((uint16_t *)(X))[1]<<16))
	85	#define PUTLE32(X, Y) do{uint16_t p_=(uint16_t )(X);uint32_t y_=Y;p_[0]=y_;p_[1]=y_>>16;}while(0)
	86	#else
	87	#define GETLE32 GETLE32_
	88	#define PUTLE32 PUTLE32_
	89	#endif
	90
	91	/////////////////////////////////////////////////////////////////////////////
	92
	93	typedef struct VRAMLOADTTAG
	94	{
	95	short x;
	96	short y;
	97	short Width;
	98	short Height;
	99	short RowsRemaining;
	100	short ColsRemaining;
	101	unsigned short *ImagePtr;
	102	} VRAMLoad_t;
	103
	104	/////////////////////////////////////////////////////////////////////////////
	105
	106	typedef struct PSXPOINTTAG
	107	{
	108	int32_t x;
	109	int32_t y;
	110	} PSXPoint_t;
	111
	112	typedef struct PSXSPOINTTAG
	113	{
	114	short x;
	115	short y;
	116	} PSXSPoint_t;
	117
	118	typedef struct PSXRECTTAG
	119	{
	120	short x0;
	121	short x1;
	122	short y0;
	123	short y1;
	124	} PSXRect_t;
	125
	126	// linux defines for some windows stuff
	127
	128	#define FALSE 0
	129	#define TRUE 1
	130	#define BOOL unsigned short
	131	#define LOWORD(l) ((unsigned short)(l))
	132	#define HIWORD(l) ((unsigned short)(((uint32_t)(l) >> 16) & 0xFFFF))
	133	#define max(a,b) (((a) > (b)) ? (a) : (b))
	134	#define min(a,b) (((a) < (b)) ? (a) : (b))
	135	#define DWORD uint32_t
	136	#ifndef __int64
	137	#define __int64 long long int
	138	#endif
	139
	140	typedef struct RECTTAG
	141	{
	142	int left;
	143	int top;
	144	int right;
	145	int bottom;
	146	}RECT;
	147
	148	/////////////////////////////////////////////////////////////////////////////
	149
	150	typedef struct TWINTAG
	151	{
	152	PSXRect_t Position;
	153	int xmask, ymask;
	154	} TWin_t;
	155
	156	/////////////////////////////////////////////////////////////////////////////
	157
	158	typedef struct PSXDISPLAYTAG
	159	{
	160	PSXPoint_t DisplayModeNew;
	161	PSXPoint_t DisplayMode;
	162	PSXPoint_t DisplayPosition;
	163	PSXPoint_t DisplayEnd;
	164
	165	int32_t Double;
	166	int32_t Height;
	167	int32_t PAL;
	168	int32_t InterlacedNew;
	169	int32_t Interlaced;
	170	int32_t RGB24New;
	171	int32_t RGB24;
	172	PSXSPoint_t DrawOffset;
	173	int32_t Disabled;
	174	PSXRect_t Range;
	175
	176	} PSXDisplay_t;
	177
	178	/////////////////////////////////////////////////////////////////////////////
	179
	180	// draw.c
	181
	182	extern int32_t GlobalTextAddrX,GlobalTextAddrY,GlobalTextTP;
	183	extern int32_t GlobalTextABR,GlobalTextPAGE;
	184	extern short ly0,lx0,ly1,lx1,ly2,lx2,ly3,lx3;
	185	extern long lLowerpart;
	186	extern BOOL bCheckMask;
	187	extern unsigned short sSetMask;
	188	extern unsigned long lSetMask;
	189	extern short g_m1;
	190	extern short g_m2;
	191	extern short g_m3;
	192	extern short DrawSemiTrans;
	193
	194	// prim.c
	195
	196	extern BOOL bUsingTWin;
	197	extern TWin_t TWin;
	198	extern void (primTableJ[256])(unsigned char );
	199	extern void (primTableSkip[256])(unsigned char );
	200	extern unsigned short usMirror;
	201	extern int iDither;
	202	extern uint32_t dwCfgFixes;
	203	extern uint32_t dwActFixes;
	204	extern int iUseFixes;
	205	extern int iUseDither;
	206	extern BOOL bDoVSyncUpdate;
	207	extern int32_t drawX;
	208	extern int32_t drawY;
	209	extern int32_t drawW;
	210	extern int32_t drawH;
	211
	212	// gpu.h
	213
	214	#define OPAQUEON 10
	215	#define OPAQUEOFF 11
	216
	217	#define KEY_RESETTEXSTORE 1
	218	#define KEY_SHOWFPS 2
	219	#define KEY_RESETOPAQUE 4
	220	#define KEY_RESETDITHER 8
	221	#define KEY_RESETFILTER 16
	222	#define KEY_RESETADVBLEND 32
	223	#define KEY_BADTEXTURES 128
	224	#define KEY_CHECKTHISOUT 256
	225
	226	#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
	227	#define RED(x) (x & 0xff)
	228	#define BLUE(x) ((x>>16) & 0xff)
	229	#define GREEN(x) ((x>>8) & 0xff)
	230	#define COLOR(x) (x & 0xffffff)
	231	#else
	232	#define RED(x) ((x>>24) & 0xff)
	233	#define BLUE(x) ((x>>8) & 0xff)
	234	#define GREEN(x) ((x>>16) & 0xff)
	235	#define COLOR(x) SWAP32(x & 0xffffff)
	236	#endif
	237
	238	PSXDisplay_t PSXDisplay;
	239	unsigned char *psxVub;
	240	unsigned short *psxVuw;
	241	unsigned short *psxVuw_eom;
	242
	243	long lGPUstatusRet;
	244	uint32_t lGPUInfoVals[16];
	245
	246	VRAMLoad_t VRAMWrite;
	247	VRAMLoad_t VRAMRead;
	248
	249	DATAREGISTERMODES DataWriteMode;
	250	DATAREGISTERMODES DataReadMode;
	251
	252	BOOL bCheckMask = FALSE;
	253	unsigned short sSetMask = 0;
	254	unsigned long lSetMask = 0;
	255	long lLowerpart;
	256
	257	#if defined(__GNUC__) && __GNUC__ >= 6
	258	#pragma GCC diagnostic ignored "-Wmisleading-indentation"
	259	#endif
	260
	261	#include "soft.c"
	262	#include "prim.c"
	263
	264	/////////////////////////////////////////////////////////////////////////////
	265
	266	static void set_vram(void *vram)
	267	{
	268	psxVub=vram;
	269	psxVuw=(unsigned short *)psxVub;
	270	psxVuw_eom=psxVuw+1024*512; // pre-calc of end of vram
	271	}
	272
	273	int renderer_init(void)
	274	{
	275	set_vram(gpu.vram);
	276
	277	PSXDisplay.RGB24 = FALSE; // init some stuff
	278	PSXDisplay.Interlaced = FALSE;
	279	PSXDisplay.DrawOffset.x = 0;
	280	PSXDisplay.DrawOffset.y = 0;
	281	PSXDisplay.DisplayMode.x= 320;
	282	PSXDisplay.DisplayMode.y= 240;
	283	PSXDisplay.Disabled = FALSE;
	284	PSXDisplay.Range.x0=0;
	285	PSXDisplay.Range.x1=0;
	286	PSXDisplay.Double = 1;
	287
	288	DataWriteMode = DR_NORMAL;
	289	lGPUstatusRet = 0x14802000;
	290
	291	return 0;
	292	}
	293
	294	void renderer_finish(void)
	295	{
	296	}
	297
	298	void renderer_notify_res_change(void)
	299	{
	300	}
	301
	302	void renderer_notify_scanout_change(int x, int y)
	303	{
	304	}
	305
	306	#include "../gpulib/gpu_timing.h"
	307	extern const unsigned char cmd_lengths[256];
	308
	309	int do_cmd_list(uint32_t *list, int list_len,
	310	int cycles_sum_out, int cycles_last, int *last_cmd)
	311	{
	312	int cpu_cycles_sum = 0, cpu_cycles = *cycles_last;
	313	unsigned int cmd = 0, len;
	314	uint32_t *list_start = list;
	315	uint32_t *list_end = list + list_len;
	316
	317	for (; list < list_end; list += 1 + len)
	318	{
	319	short slist = (void )list;
	320	cmd = GETLE32(list) >> 24;
	321	len = cmd_lengths[cmd];
	322	if (list + 1 + len > list_end) {
	323	cmd = -1;
	324	break;
	325	}
	326
	327	#ifndef TEST
	328	if (0x80 <= cmd && cmd < 0xe0)
	329	break; // image i/o, forward to upper layer
	330	else if ((cmd & 0xf8) == 0xe0)
	331	gpu.ex_regs[cmd & 7] = GETLE32(list);
	332	#endif
	333
	334	primTableJ[cmd]((void *)list);
	335
	336	switch(cmd)
	337	{
	338	case 0x48 ... 0x4F:
	339	{
	340	u32 num_vertexes = 2;
	341	u32 *list_position = &(list[3]);
	342
	343	while(1)
	344	{
	345	gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));
	346
	347	if(list_position >= list_end) {
	348	cmd = -1;
	349	goto breakloop;
	350	}
	351
	352	if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
	353	break;
	354
	355	list_position++;
	356	num_vertexes++;
	357	}
	358
	359	len += (num_vertexes - 2);
	360	break;
	361	}
	362
	363	case 0x58 ... 0x5F:
	364	{
	365	u32 num_vertexes = 2;
	366	u32 *list_position = &(list[4]);
	367
	368	while(1)
	369	{
	370	gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0));
	371
	372	if(list_position >= list_end) {
	373	cmd = -1;
	374	goto breakloop;
	375	}
	376
	377	if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
	378	break;
	379
	380	list_position += 2;
	381	num_vertexes++;
	382	}
	383
	384	len += (num_vertexes - 2) * 2;
	385	break;
	386	}
	387
	388	#ifdef TEST
	389	case 0xA0: // sys -> vid
	390	{
	391	u32 load_width = LE2HOST16(slist[4]);
	392	u32 load_height = LE2HOST16(slist[5]);
	393	u32 load_size = load_width * load_height;
	394
	395	len += load_size / 2;
	396	break;
	397	}
	398	#endif
	399
	400	// timing
	401	case 0x02:
	402	gput_sum(cpu_cycles_sum, cpu_cycles,
	403	gput_fill(LE2HOST16(slist[4]) & 0x3ff, LE2HOST16(slist[5]) & 0x1ff));
	404	break;
	405	case 0x20 ... 0x23: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base()); break;
	406	case 0x24 ... 0x27: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_t()); break;
	407	case 0x28 ... 0x2B: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base()); break;
	408	case 0x2C ... 0x2F: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_t()); break;
	409	case 0x30 ... 0x33: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_g()); break;
	410	case 0x34 ... 0x37: gput_sum(cpu_cycles_sum, cpu_cycles, gput_poly_base_gt()); break;
	411	case 0x38 ... 0x3B: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_g()); break;
	412	case 0x3C ... 0x3F: gput_sum(cpu_cycles_sum, cpu_cycles, gput_quad_base_gt()); break;
	413	case 0x40 ... 0x47: gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0)); break;
	414	case 0x50 ... 0x57: gput_sum(cpu_cycles_sum, cpu_cycles, gput_line(0)); break;
	415	case 0x60 ... 0x63:
	416	gput_sum(cpu_cycles_sum, cpu_cycles,
	417	gput_sprite(LE2HOST16(slist[4]) & 0x3ff, LE2HOST16(slist[5]) & 0x1ff));
	418	break;
	419	case 0x64 ... 0x67:
	420	gput_sum(cpu_cycles_sum, cpu_cycles,
	421	gput_sprite(LE2HOST16(slist[6]) & 0x3ff, LE2HOST16(slist[7]) & 0x1ff));
	422	break;
	423	case 0x68 ... 0x6B: gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(1, 1)); break;
	424	case 0x70 ... 0x73:
	425	case 0x74 ... 0x77: gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(8, 8)); break;
	426	case 0x78 ... 0x7B:
	427	case 0x7C ... 0x7F: gput_sum(cpu_cycles_sum, cpu_cycles, gput_sprite(16, 16)); break;
	428	}
	429	}
	430
	431	breakloop:
	432	gpu.ex_regs[1] &= ~0x1ff;
	433	gpu.ex_regs[1] \|= lGPUstatusRet & 0x1ff;
	434
	435	*cycles_sum_out += cpu_cycles_sum;
	436	*cycles_last = cpu_cycles;
	437	*last_cmd = cmd;
	438	return list - list_start;
	439	}
	440
	441	void renderer_sync_ecmds(uint32_t *ecmds_)
	442	{
	443	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	444	// the funcs below expect LE
	445	uint32_t i, ecmds[8];
	446	for (i = 1; i <= 6; i++)
	447	ecmds[i] = HTOLE32(ecmds_[i]);
	448	#else
	449	uint32_t *ecmds = ecmds_;
	450	#endif
	451	cmdTexturePage((unsigned char *)&ecmds[1]);
	452	cmdTextureWindow((unsigned char *)&ecmds[2]);
	453	cmdDrawAreaStart((unsigned char *)&ecmds[3]);
	454	cmdDrawAreaEnd((unsigned char *)&ecmds[4]);
	455	cmdDrawOffset((unsigned char *)&ecmds[5]);
	456	cmdSTP((unsigned char *)&ecmds[6]);
	457	}
	458
	459	void renderer_update_caches(int x, int y, int w, int h, int state_changed)
	460	{
	461	}
	462
	463	void renderer_flush_queues(void)
	464	{
	465	}
	466
	467	void renderer_set_interlace(int enable, int is_odd)
	468	{
	469	}
	470
	471	#include "../../frontend/plugin_lib.h"
	472
	473	void renderer_set_config(const struct rearmed_cbs *cbs)
	474	{
	475	iUseDither = cbs->gpu_peops.iUseDither;
	476	dwActFixes = cbs->gpu_peops.dwActFixes;
	477	if (cbs->pl_set_gpu_caps)
	478	cbs->pl_set_gpu_caps(0);
	479	set_vram(gpu.vram);
	480	}
	481
	482	// vim:ts=2:shiftwidth=2:expandtab