[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)
{
}

extern const unsigned char cmd_lengths[256];

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

  for (; list < list_end; list += 1 + len)
  {
    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)
        {
          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)
        {
          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
      {
        short *slist = (void *)list;
        u32 load_width = LE2HOST32(slist[4]);
        u32 load_height = LE2HOST32(slist[5]);
        u32 load_size = load_width * load_height;

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

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

  *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);
}
Commit	Line	Data
b094071f	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>
62d7fa95	18	#include "../gpulib/gpu.h"
0a371c2c	19	#include "../../include/arm_features.h"
b094071f	20
415213c9	21	#if defined(__GNUC__) && (__GNUC__ >= 6 \|\| (defined(__clang_major__) && __clang_major__ >= 10))
	22	#pragma GCC diagnostic ignored "-Wmisleading-indentation"
	23	#endif
	24
b094071f	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
ae097dfb PC	45	#define SWAP16(x) __builtin_bswap16(x)
ae097dfb PC	46	#define SWAP32(x) __builtin_bswap32(x)
b094071f	47
04bd10b1	48	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
b094071f	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
0a371c2c	76	#define GETLEs16(X) ((int16_t)GETLE16((uint16_t *)(X)))
b094071f	77
0a371c2c	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))
b094071f	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
04bd10b1	226	#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
b094071f	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)
04bd10b1	231	#else
b094071f	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;
b094071f	240	unsigned short *psxVuw;
b094071f	241	unsigned short *psxVuw_eom;
b094071f	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
857275a9	257	#if defined(__GNUC__) && __GNUC__ >= 6
	258	#pragma GCC diagnostic ignored "-Wmisleading-indentation"
	259	#endif
	260
62d7fa95	261	#include "soft.c"
62d7fa95	262	#include "prim.c"
b094071f	263
	264	/////////////////////////////////////////////////////////////////////////////
	265
9ee0fd5b	266	static void set_vram(void *vram)
b094071f	267	{
9ee0fd5b	268	psxVub=vram;
b094071f	269	psxVuw=(unsigned short *)psxVub;
b094071f	270	psxVuw_eom=psxVuw+1024*512; // pre-calc of end of vram
9ee0fd5b	271	}
	272
	273	int renderer_init(void)
	274	{
	275	set_vram(gpu.vram);
b094071f	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
e929dec5	294	void renderer_finish(void)
	295	{
	296	}
	297
	298	void renderer_notify_res_change(void)
	299	{
	300	}
	301
2da2fc76	302	void renderer_notify_scanout_change(int x, int y)
0b4038f8	303	{
	304	}
	305
b094071f	306	extern const unsigned char cmd_lengths[256];
b094071f	307
7a8d521f	308	int do_cmd_list(uint32_t list, int list_len, int last_cmd)
b094071f	309	{
b243416b	310	unsigned int cmd = 0, len;
7a8d521f	311	uint32_t *list_start = list;
7a8d521f	312	uint32_t *list_end = list + list_len;
b094071f	313
	314	for (; list < list_end; list += 1 + len)
	315	{
ae097dfb	316	cmd = GETLE32(list) >> 24;
b094071f	317	len = cmd_lengths[cmd];
b243416b	318	if (list + 1 + len > list_end) {
	319	cmd = -1;
	320	break;
	321	}
	322
	323	#ifndef TEST
72583812	324	if (0x80 <= cmd && cmd < 0xe0)
b243416b	325	break; // image i/o, forward to upper layer
b243416b	326	else if ((cmd & 0xf8) == 0xe0)
ae097dfb	327	gpu.ex_regs[cmd & 7] = GETLE32(list);
b243416b	328	#endif
b094071f	329
	330	primTableJ[cmd]((void *)list);
	331
	332	switch(cmd)
	333	{
	334	case 0x48 ... 0x4F:
	335	{
b243416b	336	u32 num_vertexes = 2;
b243416b	337	u32 *list_position = &(list[3]);
b094071f	338
	339	while(1)
	340	{
804789d7	341	if(list_position >= list_end) {
	342	cmd = -1;
	343	goto breakloop;
	344	}
	345
ae097dfb	346	if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
b094071f	347	break;
	348
	349	list_position++;
	350	num_vertexes++;
	351	}
	352
b243416b	353	len += (num_vertexes - 2);
b094071f	354	break;
	355	}
	356
	357	case 0x58 ... 0x5F:
	358	{
b243416b	359	u32 num_vertexes = 2;
b243416b	360	u32 *list_position = &(list[4]);
b094071f	361
	362	while(1)
	363	{
804789d7	364	if(list_position >= list_end) {
	365	cmd = -1;
	366	goto breakloop;
	367	}
	368
ae097dfb	369	if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
b094071f	370	break;
	371
	372	list_position += 2;
	373	num_vertexes++;
	374	}
	375
b243416b	376	len += (num_vertexes - 2) * 2;
b094071f	377	break;
	378	}
	379
9a6e7816	380	#ifdef TEST
b094071f	381	case 0xA0: // sys -> vid
b094071f	382	{
9a6e7816	383	short slist = (void )list;
ae097dfb PC	384	u32 load_width = LE2HOST32(slist[4]);
ae097dfb PC	385	u32 load_height = LE2HOST32(slist[5]);
b094071f	386	u32 load_size = load_width * load_height;
	387
	388	len += load_size / 2;
	389	break;
	390	}
9a6e7816	391	#endif
b094071f	392	}
b094071f	393	}
b243416b	394
804789d7	395	breakloop:
b243416b	396	gpu.ex_regs[1] &= ~0x1ff;
	397	gpu.ex_regs[1] \|= lGPUstatusRet & 0x1ff;
	398
	399	*last_cmd = cmd;
	400	return list - list_start;
b094071f	401	}
b094071f	402
4ad17db3	403	void renderer_sync_ecmds(uint32_t *ecmds_)
5b745e5b	404	{
4ad17db3	405	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	406	// the funcs below expect LE
	407	uint32_t i, ecmds[8];
	408	for (i = 1; i <= 6; i++)
	409	ecmds[i] = HTOLE32(ecmds_[i]);
	410	#else
	411	uint32_t *ecmds = ecmds_;
	412	#endif
5b745e5b	413	cmdTexturePage((unsigned char *)&ecmds[1]);
	414	cmdTextureWindow((unsigned char *)&ecmds[2]);
	415	cmdDrawAreaStart((unsigned char *)&ecmds[3]);
	416	cmdDrawAreaEnd((unsigned char *)&ecmds[4]);
	417	cmdDrawOffset((unsigned char *)&ecmds[5]);
	418	cmdSTP((unsigned char *)&ecmds[6]);
	419	}
	420
0b4038f8	421	void renderer_update_caches(int x, int y, int w, int h, int state_changed)
b094071f	422	{
	423	}
	424
	425	void renderer_flush_queues(void)
	426	{
	427	}
914455e6	428
5440b88e	429	void renderer_set_interlace(int enable, int is_odd)
	430	{
	431	}
	432
914455e6	433	#include "../../frontend/plugin_lib.h"
	434
	435	void renderer_set_config(const struct rearmed_cbs *cbs)
	436	{
	437	iUseDither = cbs->gpu_peops.iUseDither;
	438	dwActFixes = cbs->gpu_peops.dwActFixes;
fa56d360	439	if (cbs->pl_set_gpu_caps)
fa56d360	440	cbs->pl_set_gpu_caps(0);
9ee0fd5b	441	set_vram(gpu.vram);
914455e6	442	}