Commit | Line | Data |
---|---|---|
38c2028e | 1 | /* |
2 | * (C) notaz, 2012 | |
3 | * | |
4 | * This work is licensed under the terms of the GNU GPLv2 or later. | |
5 | * See the COPYING file in the top-level directory. | |
6 | */ | |
7 | ||
8 | #include <stdio.h> | |
9 | #include <stdlib.h> | |
10 | #include <string.h> | |
11 | ||
12 | #include "../libpcsxcore/misc.h" | |
13 | #include "../libpcsxcore/psxcounters.h" | |
14 | #include "../libpcsxcore/new_dynarec/new_dynarec.h" | |
07c13dfd | 15 | #include "../plugins/dfsound/out.h" |
38c2028e | 16 | #include "main.h" |
17 | #include "plugin.h" | |
18 | #include "plugin_lib.h" | |
19 | #include "revision.h" | |
20 | #include "libretro.h" | |
21 | ||
22 | static retro_video_refresh_t video_cb; | |
23 | static retro_input_poll_t input_poll_cb; | |
24 | static retro_input_state_t input_state_cb; | |
25 | static retro_environment_t environ_cb; | |
26 | static retro_audio_sample_batch_t audio_batch_cb; | |
27 | ||
28 | static void *vout_buf; | |
29 | static int vout_width, vout_height; | |
30 | static int samples_sent, samples_to_send; | |
31 | static int plugins_opened; | |
c19aba43 | 32 | static int native_rgb565; |
38c2028e | 33 | |
34 | /* PCSX ReARMed core calls and stuff */ | |
35 | int in_type1, in_type2; | |
36 | int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; | |
37 | int in_keystate; | |
38 | int in_enable_vibration; | |
39 | ||
40 | static int vout_open(void) | |
41 | { | |
42 | return 0; | |
43 | } | |
44 | ||
45 | static void *vout_set_mode(int w, int h, int bpp) | |
46 | { | |
47 | vout_width = w; | |
48 | vout_height = h; | |
49 | return vout_buf; | |
50 | } | |
51 | ||
52 | /* FIXME: either teach PCSX to blit to RGB1555 or RetroArch to support RGB565 */ | |
9c59f120 | 53 | static void convert(void *buf, size_t bytes) |
38c2028e | 54 | { |
55 | unsigned int i, v, *p = buf; | |
56 | ||
9c59f120 | 57 | for (i = 0; i < bytes / 4; i++) { |
38c2028e | 58 | v = p[i]; |
59 | p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0); | |
60 | } | |
61 | } | |
62 | ||
63 | static void *vout_flip(void) | |
64 | { | |
65 | pl_rearmed_cbs.flip_cnt++; | |
c19aba43 TK |
66 | if (!native_rgb565) |
67 | convert(vout_buf, vout_width * vout_height * 2); | |
38c2028e | 68 | video_cb(vout_buf, vout_width, vout_height, vout_width * 2); |
69 | ||
70 | return vout_buf; | |
71 | } | |
72 | ||
73 | static void vout_close(void) | |
74 | { | |
75 | } | |
76 | ||
77 | struct rearmed_cbs pl_rearmed_cbs = { | |
78 | .pl_vout_open = vout_open, | |
79 | .pl_vout_set_mode = vout_set_mode, | |
80 | .pl_vout_flip = vout_flip, | |
81 | .pl_vout_close = vout_close, | |
82 | /* from psxcounters */ | |
83 | .gpu_hcnt = &hSyncCount, | |
84 | .gpu_frame_count = &frame_counter, | |
85 | }; | |
86 | ||
87 | void pl_frame_limit(void) | |
88 | { | |
89 | /* called once per frame, make psxCpu->Execute() above return */ | |
90 | stop = 1; | |
91 | } | |
92 | ||
93 | void pl_timing_prepare(int is_pal) | |
94 | { | |
95 | } | |
96 | ||
97 | void plat_trigger_vibrate(int is_strong) | |
98 | { | |
99 | } | |
100 | ||
101 | void pl_update_gun(int *xn, int *xres, int *y, int *in) | |
102 | { | |
103 | } | |
104 | ||
105 | /* sound calls */ | |
07c13dfd | 106 | static int snd_init(void) |
38c2028e | 107 | { |
07c13dfd | 108 | return 0; |
38c2028e | 109 | } |
110 | ||
07c13dfd | 111 | static void snd_finish(void) |
38c2028e | 112 | { |
113 | } | |
114 | ||
07c13dfd | 115 | static int snd_busy(void) |
38c2028e | 116 | { |
117 | if (samples_to_send > samples_sent) | |
118 | return 0; /* give more samples */ | |
119 | else | |
120 | return 1; | |
121 | } | |
122 | ||
07c13dfd | 123 | static void snd_feed(void *buf, int bytes) |
38c2028e | 124 | { |
125 | audio_batch_cb(buf, bytes / 4); | |
126 | samples_sent += bytes / 4; | |
127 | } | |
128 | ||
07c13dfd | 129 | void out_register_libretro(struct out_driver *drv) |
130 | { | |
131 | drv->name = "libretro"; | |
132 | drv->init = snd_init; | |
133 | drv->finish = snd_finish; | |
134 | drv->busy = snd_busy; | |
135 | drv->feed = snd_feed; | |
136 | } | |
137 | ||
38c2028e | 138 | /* libretro */ |
139 | void retro_set_environment(retro_environment_t cb) { environ_cb = cb; } | |
140 | void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; } | |
141 | void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; } | |
142 | void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; } | |
143 | void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; } | |
144 | void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } | |
145 | ||
146 | unsigned retro_api_version(void) | |
147 | { | |
148 | return RETRO_API_VERSION; | |
149 | } | |
150 | ||
151 | void retro_set_controller_port_device(unsigned port, unsigned device) | |
152 | { | |
153 | } | |
154 | ||
155 | void retro_get_system_info(struct retro_system_info *info) | |
156 | { | |
157 | memset(info, 0, sizeof(*info)); | |
158 | info->library_name = "PCSX-ReARMed"; | |
159 | info->library_version = REV; | |
160 | info->valid_extensions = "bin|cue|img|mdf|pbp|cbn"; | |
161 | info->need_fullpath = true; | |
162 | } | |
163 | ||
164 | void retro_get_system_av_info(struct retro_system_av_info *info) | |
165 | { | |
166 | memset(info, 0, sizeof(*info)); | |
167 | info->timing.fps = 60; | |
168 | info->timing.sample_rate = 44100; | |
169 | info->geometry.base_width = 320; | |
170 | info->geometry.base_height = 240; | |
171 | info->geometry.max_width = 640; | |
172 | info->geometry.max_height = 512; | |
173 | info->geometry.aspect_ratio = 4.0 / 3.0; | |
174 | } | |
175 | ||
176 | /* TODO */ | |
177 | size_t retro_serialize_size(void) | |
178 | { | |
179 | return 0; | |
180 | } | |
181 | ||
182 | bool retro_serialize(void *data, size_t size) | |
183 | { | |
184 | return false; | |
185 | } | |
186 | ||
187 | bool retro_unserialize(const void *data, size_t size) | |
188 | { | |
189 | return false; | |
190 | } | |
191 | ||
192 | void retro_cheat_reset(void) | |
193 | { | |
194 | } | |
195 | ||
196 | void retro_cheat_set(unsigned index, bool enabled, const char *code) | |
197 | { | |
198 | } | |
199 | ||
200 | bool retro_load_game(const struct retro_game_info *info) | |
201 | { | |
c19aba43 | 202 | enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565; |
9f766dbe | 203 | if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { |
c19aba43 TK |
204 | native_rgb565 = 1; |
205 | fprintf(stderr, "RGB565 supported, using it\n"); | |
206 | } | |
207 | ||
38c2028e | 208 | if (plugins_opened) { |
209 | ClosePlugins(); | |
210 | plugins_opened = 0; | |
211 | } | |
212 | ||
213 | set_cd_image(info->path); | |
214 | ||
215 | /* have to reload after set_cd_image for correct cdr plugin */ | |
216 | if (LoadPlugins() == -1) { | |
217 | printf("faled to load plugins\n"); | |
218 | return false; | |
219 | } | |
220 | ||
221 | plugins_opened = 1; | |
222 | NetOpened = 0; | |
223 | ||
224 | if (OpenPlugins() == -1) { | |
225 | printf("faled to open plugins\n"); | |
226 | return false; | |
227 | } | |
228 | ||
229 | plugin_call_rearmed_cbs(); | |
230 | ||
231 | Config.PsxAuto = 1; | |
232 | if (CheckCdrom() == -1) { | |
233 | printf("unsupported/invalid CD image: %s\n", info->path); | |
234 | return false; | |
235 | } | |
236 | ||
237 | SysReset(); | |
238 | ||
239 | if (LoadCdrom() == -1) { | |
240 | printf("could not load CD-ROM!\n"); | |
241 | return false; | |
242 | } | |
243 | emu_on_new_cd(); | |
244 | ||
245 | return true; | |
246 | } | |
247 | ||
248 | bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info) | |
249 | { | |
250 | return false; | |
251 | } | |
252 | ||
253 | void retro_unload_game(void) | |
254 | { | |
255 | } | |
256 | ||
257 | unsigned retro_get_region(void) | |
258 | { | |
259 | return RETRO_REGION_NTSC; | |
260 | } | |
261 | ||
262 | void *retro_get_memory_data(unsigned id) | |
263 | { | |
264 | return NULL; | |
265 | } | |
266 | ||
267 | size_t retro_get_memory_size(unsigned id) | |
268 | { | |
269 | return 0; | |
270 | } | |
271 | ||
272 | void retro_reset(void) | |
273 | { | |
274 | SysReset(); | |
275 | } | |
276 | ||
277 | static const unsigned short retro_psx_map[] = { | |
278 | [RETRO_DEVICE_ID_JOYPAD_B] = 1 << DKEY_CROSS, | |
279 | [RETRO_DEVICE_ID_JOYPAD_Y] = 1 << DKEY_SQUARE, | |
280 | [RETRO_DEVICE_ID_JOYPAD_SELECT] = 1 << DKEY_SELECT, | |
281 | [RETRO_DEVICE_ID_JOYPAD_START] = 1 << DKEY_START, | |
282 | [RETRO_DEVICE_ID_JOYPAD_UP] = 1 << DKEY_UP, | |
283 | [RETRO_DEVICE_ID_JOYPAD_DOWN] = 1 << DKEY_DOWN, | |
284 | [RETRO_DEVICE_ID_JOYPAD_LEFT] = 1 << DKEY_LEFT, | |
285 | [RETRO_DEVICE_ID_JOYPAD_RIGHT] = 1 << DKEY_RIGHT, | |
286 | [RETRO_DEVICE_ID_JOYPAD_A] = 1 << DKEY_CIRCLE, | |
287 | [RETRO_DEVICE_ID_JOYPAD_X] = 1 << DKEY_TRIANGLE, | |
288 | [RETRO_DEVICE_ID_JOYPAD_L] = 1 << DKEY_L1, | |
289 | [RETRO_DEVICE_ID_JOYPAD_R] = 1 << DKEY_R1, | |
290 | [RETRO_DEVICE_ID_JOYPAD_L2] = 1 << DKEY_L2, | |
291 | [RETRO_DEVICE_ID_JOYPAD_R2] = 1 << DKEY_R2, | |
292 | [RETRO_DEVICE_ID_JOYPAD_L3] = 1 << DKEY_L3, | |
293 | [RETRO_DEVICE_ID_JOYPAD_R3] = 1 << DKEY_R3, | |
294 | }; | |
295 | #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0])) | |
296 | ||
297 | void retro_run(void) | |
298 | { | |
299 | int i; | |
300 | ||
301 | input_poll_cb(); | |
302 | in_keystate = 0; | |
303 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
304 | if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i)) | |
305 | in_keystate |= retro_psx_map[i]; | |
306 | in_keystate <<= 16; | |
307 | for (i = 0; i < RETRO_PSX_MAP_LEN; i++) | |
308 | if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i)) | |
309 | in_keystate |= retro_psx_map[i]; | |
310 | ||
311 | stop = 0; | |
312 | psxCpu->Execute(); | |
313 | ||
314 | samples_to_send += 44100 / 60; | |
315 | } | |
316 | ||
317 | void retro_init(void) | |
318 | { | |
319 | const char *bios[] = { "scph1001", "scph5501", "scph7001" }; | |
320 | const char *dir; | |
321 | char path[256]; | |
322 | FILE *f = NULL; | |
323 | int i, ret, level; | |
324 | ||
325 | ret = emu_core_preinit(); | |
326 | ret |= emu_core_init(); | |
327 | if (ret != 0) { | |
328 | printf("PCSX init failed, sorry\n"); | |
329 | exit(1); | |
330 | } | |
331 | ||
332 | vout_buf = malloc(640 * 512 * 2); | |
333 | ||
334 | if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) | |
335 | { | |
336 | snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s/", dir); | |
337 | ||
338 | for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) { | |
339 | snprintf(path, sizeof(path), "%s/%s.bin", dir, bios[i]); | |
340 | f = fopen(path, "r"); | |
341 | if (f != NULL) { | |
342 | snprintf(Config.Bios, sizeof(Config.Bios), "%s.bin", bios[i]); | |
343 | break; | |
344 | } | |
345 | } | |
346 | } | |
347 | if (f != NULL) { | |
348 | printf("found BIOS file: %s\n", Config.Bios); | |
349 | fclose(f); | |
350 | } | |
351 | else | |
352 | printf("no BIOS files found.\n"); | |
353 | ||
354 | level = 1; | |
355 | environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level); | |
356 | } | |
357 | ||
358 | void retro_deinit(void) | |
359 | { | |
360 | SysClose(); | |
361 | free(vout_buf); | |
362 | vout_buf = NULL; | |
363 | } | |
364 |