1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
|
/***************************************************************************
gpu.h - description
-------------------
begin : Sun Oct 28 2001
copyright : (C) 2001 by Pete Bernert
email : BlackDove@addcom.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef _PSX_GPU_
#define _PSX_GPU_
#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_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 (lGPUstatusRet &= ~GPUSTATUS_IDLE)
#define GPUIsIdle (lGPUstatusRet |= GPUSTATUS_IDLE)
#define GPUIsNotReadyForCommands (lGPUstatusRet &= ~GPUSTATUS_READYFORCOMMANDS)
#define GPUIsReadyForCommands (lGPUstatusRet |= GPUSTATUS_READYFORCOMMANDS)
#define CALLBACK
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <math.h>
#include <stdint.h>
#include <unistd.h>
/////////////////////////////////////////////////////////////////////////////
// byteswappings
#define SWAP16(x) ({ uint16_t y=(x); (((y)>>8 & 0xff) | ((y)<<8 & 0xff00)); })
#define SWAP32(x) ({ uint32_t y=(x); (((y)>>24 & 0xfful) | ((y)>>8 & 0xff00ul) | ((y)<<8 & 0xff0000ul) | ((y)<<24 & 0xff000000ul)); })
#ifdef __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 GETLEs32(X) ((int16_t)GETLE32((uint16_t *)X))
#define GETLE16(X) LE2HOST16(*(uint16_t *)X)
#define GETLE32_(X) LE2HOST32(*(uint32_t *)X)
#define GETLE16D(X) ({uint32_t val = GETLE32(X); (val<<16 | val >> 16);})
#define PUTLE16(X, Y) do{*((uint16_t *)X)=HOST2LE16((uint16_t)Y);}while(0)
#define PUTLE32_(X, Y) do{*((uint32_t *)X)=HOST2LE16((uint32_t)Y);}while(0)
#ifdef __arm__
#define GETLE32(X) (*(uint16_t *)X|(((uint16_t *)X)[1]<<16))
#define PUTLE32(X, Y) do{*((uint16_t *)X)=(uint32_t)Y;((uint16_t *)X)[1]=(uint32_t)(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;
} 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 GlobalTextREST,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 !defined(__BIG_ENDIAN__) || defined(__x86_64__) || defined(__i386__)
#ifndef __LITTLE_ENDIAN__
#define __LITTLE_ENDIAN__
#endif
#endif
#ifdef __LITTLE_ENDIAN__
#define RED(x) (x & 0xff)
#define BLUE(x) ((x>>16) & 0xff)
#define GREEN(x) ((x>>8) & 0xff)
#define COLOR(x) (x & 0xffffff)
#elif defined __BIG_ENDIAN__
#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
// gpu.c
extern VRAMLoad_t VRAMWrite;
extern VRAMLoad_t VRAMRead;
extern DATAREGISTERMODES DataWriteMode;
extern DATAREGISTERMODES DataReadMode;
extern short sDispWidths[];
extern BOOL bDebugText;
extern PSXDisplay_t PSXDisplay;
extern PSXDisplay_t PreviousPSXDisplay;
extern BOOL bSkipNextFrame;
extern long lGPUstatusRet;
extern unsigned char * psxVSecure;
extern unsigned char * psxVub;
extern signed char * psxVsb;
extern unsigned short * psxVuw;
extern signed short * psxVsw;
extern uint32_t * psxVul;
extern int32_t * psxVsl;
extern unsigned short * psxVuw_eom;
extern BOOL bChangeWinMode;
extern long lSelectedSlot;
extern BOOL bInitCap;
extern DWORD dwLaceCnt;
extern uint32_t lGPUInfoVals[];
extern uint32_t ulStatusControl[];
// fps.c
extern int UseFrameLimit;
extern int UseFrameSkip;
extern float fFrameRate;
extern int iFrameLimit;
extern float fFrameRateHz;
extern float fps_skip;
extern float fps_cur;
// draw.c
void DoBufferSwap(void);
void DoClearScreenBuffer(void);
void DoClearFrontBuffer(void);
unsigned long ulInitDisplay(void);
void CloseDisplay(void);
#endif
|
