[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

#ifdef THREAD_RENDERING
#include "../gpulib/gpulib_thread_if.h"
#define do_cmd_list real_do_cmd_list
#define renderer_init real_renderer_init
#define renderer_finish real_renderer_finish
#define renderer_sync_ecmds real_renderer_sync_ecmds
#define renderer_update_caches real_renderer_update_caches
#define renderer_flush_queues real_renderer_flush_queues
#define renderer_set_interlace real_renderer_set_interlace
#define renderer_set_config real_renderer_set_config
#define renderer_notify_res_change real_renderer_notify_res_change
#define renderer_notify_update_lace real_renderer_notify_update_lace
#define renderer_sync real_renderer_sync
#define ex_regs scratch_ex_regs
#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_x_change(int x, int w)
{
}

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)
{
}

void renderer_sync(void)
{
}

void renderer_notify_update_lace(int updated)
{
}

#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"
f3af2eb5	19	#include "../../include/arm_features.h"
b094071f	20
1290ebe4	21	#if defined(__GNUC__) && (__GNUC__ >= 6 \|\| (defined(__clang_major__) && __clang_major__ >= 10))
	22	#pragma GCC diagnostic ignored "-Wmisleading-indentation"
	23	#endif
	24
a903b131 JW	25	#ifdef THREAD_RENDERING
	26	#include "../gpulib/gpulib_thread_if.h"
	27	#define do_cmd_list real_do_cmd_list
	28	#define renderer_init real_renderer_init
	29	#define renderer_finish real_renderer_finish
	30	#define renderer_sync_ecmds real_renderer_sync_ecmds
	31	#define renderer_update_caches real_renderer_update_caches
	32	#define renderer_flush_queues real_renderer_flush_queues
	33	#define renderer_set_interlace real_renderer_set_interlace
	34	#define renderer_set_config real_renderer_set_config
	35	#define renderer_notify_res_change real_renderer_notify_res_change
	36	#define renderer_notify_update_lace real_renderer_notify_update_lace
	37	#define renderer_sync real_renderer_sync
	38	#define ex_regs scratch_ex_regs
	39	#endif
	40
b094071f	41	#define u32 uint32_t
	42
	43	#define INFO_TW 0
	44	#define INFO_DRAWSTART 1
	45	#define INFO_DRAWEND 2
	46	#define INFO_DRAWOFF 3
	47
	48	#define SHADETEXBIT(x) ((x>>24) & 0x1)
	49	#define SEMITRANSBIT(x) ((x>>25) & 0x1)
	50	#define PSXRGB(r,g,b) ((g<<10)\|(b<<5)\|r)
	51
	52	#define DATAREGISTERMODES unsigned short
	53
	54	#define DR_NORMAL 0
	55	#define DR_VRAMTRANSFER 1
	56
	57	#define GPUSTATUS_READYFORVRAM 0x08000000
	58
	59	// byteswappings
	60
495d603c PC	61	#define SWAP16(x) __builtin_bswap16(x)
495d603c PC	62	#define SWAP32(x) __builtin_bswap32(x)
b094071f	63
ffe97735	64	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
b094071f	65
	66	// big endian config
	67	#define HOST2LE32(x) SWAP32(x)
	68	#define HOST2BE32(x) (x)
	69	#define LE2HOST32(x) SWAP32(x)
	70	#define BE2HOST32(x) (x)
	71
	72	#define HOST2LE16(x) SWAP16(x)
	73	#define HOST2BE16(x) (x)
	74	#define LE2HOST16(x) SWAP16(x)
	75	#define BE2HOST16(x) (x)
	76
	77	#else
	78
	79	// little endian config
	80	#define HOST2LE32(x) (x)
	81	#define HOST2BE32(x) SWAP32(x)
	82	#define LE2HOST32(x) (x)
	83	#define BE2HOST32(x) SWAP32(x)
	84
	85	#define HOST2LE16(x) (x)
	86	#define HOST2BE16(x) SWAP16(x)
	87	#define LE2HOST16(x) (x)
	88	#define BE2HOST16(x) SWAP16(x)
	89
	90	#endif
	91
f3af2eb5	92	#define GETLEs16(X) ((int16_t)GETLE16((uint16_t *)(X)))
b094071f	93
f3af2eb5	94	#define GETLE16(X) LE2HOST16((uint16_t )(X))
	95	#define GETLE32_(X) LE2HOST32((uint32_t )(X))
	96	#define PUTLE16(X, Y) do{((uint16_t )(X))=HOST2LE16((uint16_t)(Y));}while(0)
	97	#define PUTLE32_(X, Y) do{((uint32_t )(X))=HOST2LE32((uint32_t)(Y));}while(0)
	98	#if defined(__arm__) && !defined(HAVE_ARMV6)
	99	// for (very) old ARMs with no unaligned loads?
	100	#define GETLE32(X) ((uint16_t )(X)\|((uint32_t)((uint16_t *)(X))[1]<<16))
b094071f	101	#define PUTLE32(X, Y) do{uint16_t p_=(uint16_t )(X);uint32_t y_=Y;p_[0]=y_;p_[1]=y_>>16;}while(0)
	102	#else
	103	#define GETLE32 GETLE32_
	104	#define PUTLE32 PUTLE32_
	105	#endif
	106
	107	/////////////////////////////////////////////////////////////////////////////
	108
	109	typedef struct VRAMLOADTTAG
	110	{
	111	short x;
	112	short y;
	113	short Width;
	114	short Height;
	115	short RowsRemaining;
	116	short ColsRemaining;
	117	unsigned short *ImagePtr;
	118	} VRAMLoad_t;
	119
	120	/////////////////////////////////////////////////////////////////////////////
	121
	122	typedef struct PSXPOINTTAG
	123	{
	124	int32_t x;
	125	int32_t y;
	126	} PSXPoint_t;
	127
	128	typedef struct PSXSPOINTTAG
	129	{
	130	short x;
	131	short y;
	132	} PSXSPoint_t;
	133
	134	typedef struct PSXRECTTAG
	135	{
	136	short x0;
	137	short x1;
	138	short y0;
	139	short y1;
	140	} PSXRect_t;
	141
	142	// linux defines for some windows stuff
	143
	144	#define FALSE 0
	145	#define TRUE 1
	146	#define BOOL unsigned short
	147	#define LOWORD(l) ((unsigned short)(l))
	148	#define HIWORD(l) ((unsigned short)(((uint32_t)(l) >> 16) & 0xFFFF))
	149	#define max(a,b) (((a) > (b)) ? (a) : (b))
	150	#define min(a,b) (((a) < (b)) ? (a) : (b))
	151	#define DWORD uint32_t
	152	#ifndef __int64
	153	#define __int64 long long int
	154	#endif
	155
	156	typedef struct RECTTAG
	157	{
	158	int left;
	159	int top;
	160	int right;
	161	int bottom;
	162	}RECT;
	163
	164	/////////////////////////////////////////////////////////////////////////////
165
166	typedef struct TWINTAG
167	{
168	PSXRect_t Position;
169	int xmask, ymask;
170	} TWin_t;
171
172	/////////////////////////////////////////////////////////////////////////////
173
174	typedef struct PSXDISPLAYTAG
175	{
176	PSXPoint_t DisplayModeNew;
177	PSXPoint_t DisplayMode;
178	PSXPoint_t DisplayPosition;
179	PSXPoint_t DisplayEnd;
180
181	int32_t Double;
182	int32_t Height;
183	int32_t PAL;
184	int32_t InterlacedNew;
185	int32_t Interlaced;
186	int32_t RGB24New;
187	int32_t RGB24;
188	PSXSPoint_t DrawOffset;
189	int32_t Disabled;
190	PSXRect_t Range;
191
192	} PSXDisplay_t;
193
194	/////////////////////////////////////////////////////////////////////////////
195
196	// draw.c
197
198	extern int32_t GlobalTextAddrX,GlobalTextAddrY,GlobalTextTP;
199	extern int32_t GlobalTextABR,GlobalTextPAGE;
200	extern short ly0,lx0,ly1,lx1,ly2,lx2,ly3,lx3;
201	extern long lLowerpart;
202	extern BOOL bCheckMask;
203	extern unsigned short sSetMask;
204	extern unsigned long lSetMask;
205	extern short g_m1;
206	extern short g_m2;
207	extern short g_m3;
208	extern short DrawSemiTrans;
209
210	// prim.c
211
212	extern BOOL bUsingTWin;
213	extern TWin_t TWin;
214	extern void (primTableJ[256])(unsigned char );
215	extern void (primTableSkip[256])(unsigned char );
216	extern unsigned short usMirror;
217	extern int iDither;
218	extern uint32_t dwCfgFixes;
219	extern uint32_t dwActFixes;
220	extern int iUseFixes;
221	extern int iUseDither;
222	extern BOOL bDoVSyncUpdate;
223	extern int32_t drawX;
224	extern int32_t drawY;
225	extern int32_t drawW;
226	extern int32_t drawH;
227
228	// gpu.h
229
230	#define OPAQUEON 10
231	#define OPAQUEOFF 11
232
233	#define KEY_RESETTEXSTORE 1
234	#define KEY_SHOWFPS 2
235	#define KEY_RESETOPAQUE 4
236	#define KEY_RESETDITHER 8
237	#define KEY_RESETFILTER 16
238	#define KEY_RESETADVBLEND 32
239	#define KEY_BADTEXTURES 128
240	#define KEY_CHECKTHISOUT 256
241
ffe97735	242	#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
b094071f	243	#define RED(x) (x & 0xff)
	244	#define BLUE(x) ((x>>16) & 0xff)
	245	#define GREEN(x) ((x>>8) & 0xff)
	246	#define COLOR(x) (x & 0xffffff)
ffe97735	247	#else
b094071f	248	#define RED(x) ((x>>24) & 0xff)
	249	#define BLUE(x) ((x>>8) & 0xff)
	250	#define GREEN(x) ((x>>16) & 0xff)
	251	#define COLOR(x) SWAP32(x & 0xffffff)
	252	#endif
	253
	254	PSXDisplay_t PSXDisplay;
	255	unsigned char *psxVub;
b094071f	256	unsigned short *psxVuw;
b094071f	257	unsigned short *psxVuw_eom;
b094071f	258
	259	long lGPUstatusRet;
	260	uint32_t lGPUInfoVals[16];
	261
	262	VRAMLoad_t VRAMWrite;
	263	VRAMLoad_t VRAMRead;
	264
	265	DATAREGISTERMODES DataWriteMode;
	266	DATAREGISTERMODES DataReadMode;
	267
	268	BOOL bCheckMask = FALSE;
	269	unsigned short sSetMask = 0;
	270	unsigned long lSetMask = 0;
	271	long lLowerpart;
	272
5b568098	273	#if defined(__GNUC__) && __GNUC__ >= 6
	274	#pragma GCC diagnostic ignored "-Wmisleading-indentation"
	275	#endif
	276
62d7fa95	277	#include "soft.c"
62d7fa95	278	#include "prim.c"
b094071f	279
	280	/////////////////////////////////////////////////////////////////////////////
	281
9ee0fd5b	282	static void set_vram(void *vram)
b094071f	283	{
9ee0fd5b	284	psxVub=vram;
b094071f	285	psxVuw=(unsigned short *)psxVub;
b094071f	286	psxVuw_eom=psxVuw+1024*512; // pre-calc of end of vram
9ee0fd5b	287	}
	288
	289	int renderer_init(void)
	290	{
	291	set_vram(gpu.vram);
b094071f	292
	293	PSXDisplay.RGB24 = FALSE; // init some stuff
	294	PSXDisplay.Interlaced = FALSE;
	295	PSXDisplay.DrawOffset.x = 0;
	296	PSXDisplay.DrawOffset.y = 0;
	297	PSXDisplay.DisplayMode.x= 320;
	298	PSXDisplay.DisplayMode.y= 240;
	299	PSXDisplay.Disabled = FALSE;
	300	PSXDisplay.Range.x0=0;
	301	PSXDisplay.Range.x1=0;
	302	PSXDisplay.Double = 1;
	303
	304	DataWriteMode = DR_NORMAL;
	305	lGPUstatusRet = 0x14802000;
	306
	307	return 0;
	308	}
	309
e929dec5	310	void renderer_finish(void)
	311	{
	312	}
	313
	314	void renderer_notify_res_change(void)
	315	{
	316	}
	317
3b7b0065	318	void renderer_notify_scanout_x_change(int x, int w)
	319	{
	320	}
	321
b094071f	322	extern const unsigned char cmd_lengths[256];
b094071f	323
fc99395c	324	int do_cmd_list(uint32_t list, int list_len, int last_cmd)
b094071f	325	{
b243416b	326	unsigned int cmd = 0, len;
fc99395c	327	uint32_t *list_start = list;
fc99395c	328	uint32_t *list_end = list + list_len;
b094071f	329
	330	for (; list < list_end; list += 1 + len)
	331	{
495d603c	332	cmd = GETLE32(list) >> 24;
b094071f	333	len = cmd_lengths[cmd];
b243416b	334	if (list + 1 + len > list_end) {
	335	cmd = -1;
	336	break;
	337	}
	338
	339	#ifndef TEST
36da9c13	340	if (0x80 <= cmd && cmd < 0xe0)
b243416b	341	break; // image i/o, forward to upper layer
b243416b	342	else if ((cmd & 0xf8) == 0xe0)
495d603c	343	gpu.ex_regs[cmd & 7] = GETLE32(list);
b243416b	344	#endif
b094071f	345
	346	primTableJ[cmd]((void *)list);
	347
	348	switch(cmd)
	349	{
	350	case 0x48 ... 0x4F:
	351	{
b243416b	352	u32 num_vertexes = 2;
b243416b	353	u32 *list_position = &(list[3]);
b094071f	354
	355	while(1)
	356	{
804789d7	357	if(list_position >= list_end) {
	358	cmd = -1;
	359	goto breakloop;
	360	}
	361
495d603c	362	if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
b094071f	363	break;
	364
	365	list_position++;
	366	num_vertexes++;
	367	}
	368
b243416b	369	len += (num_vertexes - 2);
b094071f	370	break;
	371	}
	372
	373	case 0x58 ... 0x5F:
	374	{
b243416b	375	u32 num_vertexes = 2;
b243416b	376	u32 *list_position = &(list[4]);
b094071f	377
	378	while(1)
	379	{
804789d7	380	if(list_position >= list_end) {
	381	cmd = -1;
	382	goto breakloop;
	383	}
	384
495d603c	385	if((*list_position & HOST2LE32(0xf000f000)) == HOST2LE32(0x50005000))
b094071f	386	break;
	387
	388	list_position += 2;
	389	num_vertexes++;
	390	}
	391
b243416b	392	len += (num_vertexes - 2) * 2;
b094071f	393	break;
	394	}
	395
9a6e7816	396	#ifdef TEST
b094071f	397	case 0xA0: // sys -> vid
b094071f	398	{
9a6e7816	399	short slist = (void )list;
495d603c PC	400	u32 load_width = LE2HOST32(slist[4]);
495d603c PC	401	u32 load_height = LE2HOST32(slist[5]);
b094071f	402	u32 load_size = load_width * load_height;
	403
	404	len += load_size / 2;
	405	break;
	406	}
9a6e7816	407	#endif
b094071f	408	}
b094071f	409	}
b243416b	410
804789d7	411	breakloop:
b243416b	412	gpu.ex_regs[1] &= ~0x1ff;
	413	gpu.ex_regs[1] \|= lGPUstatusRet & 0x1ff;
	414
	415	*last_cmd = cmd;
	416	return list - list_start;
b094071f	417	}
b094071f	418
3e629be9	419	void renderer_sync_ecmds(uint32_t *ecmds_)
5b745e5b	420	{
3e629be9	421	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	422	// the funcs below expect LE
	423	uint32_t i, ecmds[8];
	424	for (i = 1; i <= 6; i++)
	425	ecmds[i] = HTOLE32(ecmds_[i]);
	426	#else
	427	uint32_t *ecmds = ecmds_;
	428	#endif
5b745e5b	429	cmdTexturePage((unsigned char *)&ecmds[1]);
	430	cmdTextureWindow((unsigned char *)&ecmds[2]);
	431	cmdDrawAreaStart((unsigned char *)&ecmds[3]);
	432	cmdDrawAreaEnd((unsigned char *)&ecmds[4]);
	433	cmdDrawOffset((unsigned char *)&ecmds[5]);
	434	cmdSTP((unsigned char *)&ecmds[6]);
	435	}
	436
3b7b0065	437	void renderer_update_caches(int x, int y, int w, int h, int state_changed)
b094071f	438	{
	439	}
	440
	441	void renderer_flush_queues(void)
	442	{
	443	}
914455e6	444
5440b88e	445	void renderer_set_interlace(int enable, int is_odd)
	446	{
	447	}
	448
c765eb86 JW	449	void renderer_sync(void)
	450	{
	451	}
	452
	453	void renderer_notify_update_lace(int updated)
	454	{
	455	}
	456
914455e6	457	#include "../../frontend/plugin_lib.h"
	458
	459	void renderer_set_config(const struct rearmed_cbs *cbs)
	460	{
	461	iUseDither = cbs->gpu_peops.iUseDither;
	462	dwActFixes = cbs->gpu_peops.dwActFixes;
fa56d360	463	if (cbs->pl_set_gpu_caps)
fa56d360	464	cbs->pl_set_gpu_caps(0);
9ee0fd5b	465	set_vram(gpu.vram);
914455e6	466	}