a148806d |
1 | /* faking/emulating gp2x by using xlib */ |
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2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | #include <string.h> |
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5 | #include <stdarg.h> |
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6 | #include <pthread.h> |
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7 | #include <semaphore.h> |
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8 | |
9 | #include <unistd.h> |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
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12 | #include <fcntl.h> |
13 | #include <errno.h> |
14 | |
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15 | #include "../gp2x/version.h" |
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16 | #include "../common/emu.h" |
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17 | #include "../common/menu.h" |
18 | #include "../common/readpng.h" |
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19 | #include "sndout_oss.h" |
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20 | |
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21 | #include "log_io.h" |
22 | |
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23 | unsigned long current_keys = 0; |
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24 | static int current_bpp = 8; |
25 | static int current_pal[256]; |
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26 | static const char *verstring = "PicoDrive " VERSION; |
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27 | static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT; |
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28 | void *gp2x_screens[4]; |
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29 | |
30 | // dummies |
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31 | int mix_32_to_16l_level; |
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32 | int crashed_940 = 0; |
33 | int default_cpu_clock = 123; |
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34 | void *gp2x_memregs = NULL; |
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35 | |
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36 | /* faking GP2X pad */ |
37 | enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, |
38 | GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, |
39 | GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, |
40 | GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; |
41 | |
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42 | static void key_press_event(int keycode) |
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43 | { |
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44 | switch (keycode) |
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45 | { |
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46 | case 111: |
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47 | case 0x62: current_keys |= GP2X_UP; break; |
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48 | case 116: |
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49 | case 0x68: current_keys |= GP2X_DOWN; break; |
13b692eb |
50 | case 113: |
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51 | case 0x64: current_keys |= GP2X_LEFT; break; |
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52 | case 114: |
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53 | case 0x66: current_keys |= GP2X_RIGHT; break; |
54 | case 0x24: current_keys |= GP2X_START; break; // enter |
55 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
56 | case 0x34: current_keys |= GP2X_A; break; // z |
57 | case 0x35: current_keys |= GP2X_X; break; // x |
58 | case 0x36: current_keys |= GP2X_B; break; // c |
59 | case 0x37: current_keys |= GP2X_Y; break; // v |
60 | case 0x27: current_keys |= GP2X_L; break; // s |
61 | case 0x28: current_keys |= GP2X_R; break; // d |
62 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
63 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
64 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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65 | case 0x2d: log_io_clear(); break; // k |
66 | case 0x2e: log_io_dump(); break; // l |
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67 | case 0x17: { // tab |
68 | extern int PicoReset(void); |
69 | PicoReset(); |
70 | break; |
71 | } |
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72 | } |
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73 | } |
74 | |
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75 | static void key_release_event(int keycode) |
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76 | { |
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77 | switch (keycode) |
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78 | { |
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79 | case 111: |
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80 | case 0x62: current_keys &= ~GP2X_UP; break; |
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81 | case 116: |
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82 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
13b692eb |
83 | case 113: |
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84 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
13b692eb |
85 | case 114: |
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86 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
87 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
88 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
89 | case 0x34: current_keys &= ~GP2X_A; break; // z |
90 | case 0x35: current_keys &= ~GP2X_X; break; // x |
91 | case 0x36: current_keys &= ~GP2X_B; break; // c |
92 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
93 | case 0x27: current_keys &= ~GP2X_L; break; // s |
94 | case 0x28: current_keys &= ~GP2X_R; break; // d |
95 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
96 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
97 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
98 | } |
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99 | } |
100 | |
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101 | /* --- */ |
102 | |
103 | #include <X11/Xlib.h> |
104 | #include <X11/Xutil.h> |
105 | |
106 | static Display *xlib_display; |
107 | static Window xlib_window; |
108 | static XImage *ximage; |
109 | |
110 | static void ximage_realloc(Display *display, Visual *visual) |
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111 | { |
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112 | void *xlib_screen; |
113 | |
114 | XLockDisplay(xlib_display); |
115 | |
116 | if (ximage != NULL) |
117 | XDestroyImage(ximage); |
118 | ximage = NULL; |
119 | |
120 | xlib_screen = calloc(scr_w * scr_h, 4); |
121 | if (xlib_screen != NULL) |
122 | ximage = XCreateImage(display, visual, 24, ZPixmap, 0, |
123 | xlib_screen, scr_w, scr_h, 32, 0); |
124 | if (ximage == NULL) |
125 | fprintf(stderr, "failed to alloc ximage\n"); |
126 | |
127 | XUnlockDisplay(xlib_display); |
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128 | } |
129 | |
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130 | static void xlib_update(void) |
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131 | { |
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132 | Status xstatus; |
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133 | |
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134 | XLockDisplay(xlib_display); |
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135 | |
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136 | xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage, |
137 | 0, 0, 0, 0, g_screen_width, g_screen_height); |
138 | if (xstatus != 0) |
139 | fprintf(stderr, "XPutImage %d\n", xstatus); |
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140 | |
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141 | XUnlockDisplay(xlib_display); |
142 | } |
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143 | |
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144 | static void *xlib_threadf(void *targ) |
145 | { |
146 | unsigned int width, height, display_width, display_height; |
147 | sem_t *sem = targ; |
148 | XTextProperty windowName; |
149 | Window win; |
150 | XEvent report; |
151 | Display *display; |
152 | Visual *visual; |
153 | int screen; |
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154 | |
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155 | XInitThreads(); |
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156 | |
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157 | xlib_display = display = XOpenDisplay(NULL); |
158 | if (display == NULL) |
159 | { |
160 | fprintf(stderr, "cannot connect to X server %s\n", |
161 | XDisplayName(NULL)); |
162 | sem_post(sem); |
163 | return NULL; |
164 | } |
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165 | |
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166 | visual = DefaultVisual(display, 0); |
167 | if (visual->class != TrueColor) |
168 | { |
169 | fprintf(stderr, "cannot handle non true color visual\n"); |
170 | XCloseDisplay(display); |
171 | sem_post(sem); |
172 | return NULL; |
173 | } |
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174 | |
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175 | printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display), |
176 | VendorRelease(display), DisplayString(display), ProtocolVersion(display), |
177 | ProtocolRevision(display)); |
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178 | |
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179 | screen = DefaultScreen(display); |
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180 | |
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181 | ximage_realloc(display, visual); |
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182 | sem_post(sem); |
183 | |
a148806d |
184 | display_width = DisplayWidth(display, screen); |
185 | display_height = DisplayHeight(display, screen); |
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186 | |
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187 | xlib_window = win = XCreateSimpleWindow(display, |
188 | RootWindow(display, screen), |
189 | display_width / 2 - scr_w / 2, |
190 | display_height / 2 - scr_h / 2, |
191 | scr_w + 2, scr_h + 2, 1, |
192 | BlackPixel(display, screen), |
193 | BlackPixel(display, screen)); |
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194 | |
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195 | XStringListToTextProperty((char **)&verstring, 1, &windowName); |
196 | XSetWMName(display, win, &windowName); |
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197 | |
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198 | XSelectInput(display, win, ExposureMask | |
199 | KeyPressMask | |
200 | ButtonPressMask | |
201 | StructureNotifyMask); |
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202 | |
a148806d |
203 | XMapWindow(display, win); |
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204 | |
a148806d |
205 | while (1) |
206 | { |
207 | XNextEvent(display, &report); |
208 | switch (report.type) |
209 | { |
210 | case Expose: |
211 | while (XCheckTypedEvent(display, Expose, &report)) |
212 | ; |
213 | xlib_update(); |
214 | break; |
215 | |
216 | case ConfigureNotify: |
217 | width = report.xconfigure.width; |
218 | height = report.xconfigure.height; |
219 | if (scr_w != width - 2 || scr_h != height - 2) { |
220 | scr_w = width - 2; |
221 | scr_h = height - 2; |
222 | scr_changed = 1; |
223 | } |
224 | break; |
225 | |
226 | case ButtonPress: |
227 | break; |
228 | |
229 | case KeyPress: |
230 | key_press_event(report.xkey.keycode); |
231 | break; |
232 | |
233 | case KeyRelease: |
234 | key_release_event(report.xkey.keycode); |
235 | break; |
236 | |
237 | default: |
238 | break; |
239 | } |
240 | } |
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241 | } |
242 | |
a148806d |
243 | static void xlib_init(void) |
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244 | { |
a148806d |
245 | pthread_t x_thread; |
246 | sem_t xlib_sem; |
247 | |
248 | sem_init(&xlib_sem, 0, 0); |
249 | |
250 | pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem); |
251 | pthread_detach(x_thread); |
252 | |
253 | sem_wait(&xlib_sem); |
254 | sem_destroy(&xlib_sem); |
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255 | } |
256 | |
257 | /* --- */ |
258 | |
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259 | static void realloc_screen(void) |
260 | { |
261 | void *old = g_screen_ptr; |
0aa509f9 |
262 | int i; |
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263 | g_screen_width = scr_w; |
264 | g_screen_height = scr_h; |
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265 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
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266 | free(old); |
267 | scr_changed = 0; |
0aa509f9 |
268 | |
269 | for (i = 0; i < 4; i++) |
270 | gp2x_screens[i] = g_screen_ptr; |
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271 | } |
272 | |
046c4540 |
273 | /* gp2x/emu.c stuff, most to be rm'd */ |
274 | static void gp2x_video_flip_(void) |
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275 | { |
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276 | unsigned int *image; |
277 | int pixel_count, i; |
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278 | |
a148806d |
279 | if (ximage == NULL) |
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280 | return; |
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281 | |
282 | pixel_count = g_screen_width * g_screen_height; |
283 | image = (void *)ximage->data; |
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284 | |
285 | if (current_bpp == 8) |
286 | { |
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287 | unsigned char *pixels = g_screen_ptr; |
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288 | int pix; |
289 | |
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290 | for (i = 0; i < pixel_count; i++) |
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291 | { |
292 | pix = current_pal[pixels[i]]; |
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293 | image[i] = pix; |
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294 | } |
295 | } |
296 | else |
297 | { |
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298 | unsigned short *pixels = g_screen_ptr; |
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299 | |
e31266dd |
300 | for (i = 0; i < pixel_count; i++) |
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301 | { |
302 | /* in: rrrr rggg gggb bbbb */ |
303 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
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304 | image[i] = (pixels[i] << 8) & 0xf80000; |
305 | image[i] |= (pixels[i] << 5) & 0x00fc00; |
306 | image[i] |= (pixels[i] << 3) & 0x0000f8; |
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307 | } |
308 | } |
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309 | xlib_update(); |
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310 | |
a148806d |
311 | if (scr_changed) { |
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312 | realloc_screen(); |
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313 | ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0)); |
314 | } |
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315 | } |
316 | |
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317 | static void gp2x_video_changemode_ll_(int bpp) |
318 | { |
319 | current_bpp = bpp; |
320 | } |
321 | |
322 | static void gp2x_video_setpalette_(int *pal, int len) |
e5d315a5 |
323 | { |
046c4540 |
324 | memcpy(current_pal, pal, len*4); |
325 | } |
326 | |
327 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
328 | { |
329 | } |
330 | |
331 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
332 | { |
333 | memset((char *)g_screen_ptr + offset, byte, len); |
e5d315a5 |
334 | } |
335 | |
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336 | void gp2x_video_changemode(int bpp) |
337 | { |
046c4540 |
338 | gp2x_video_changemode_ll_(bpp); |
720ee7f6 |
339 | } |
340 | |
046c4540 |
341 | void gp2x_make_fb_bufferable(int yes) |
e5d315a5 |
342 | { |
e5d315a5 |
343 | } |
344 | |
046c4540 |
345 | int soc_detect(void) |
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346 | { |
046c4540 |
347 | return 0; |
720ee7f6 |
348 | } |
349 | |
046c4540 |
350 | /* plat */ |
351 | static char menu_bg_buffer[320*240*2]; |
352 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
353 | |
354 | void plat_video_menu_enter(int is_rom_loaded) |
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355 | { |
046c4540 |
356 | if (is_rom_loaded) |
357 | { |
358 | // darken the active framebuffer |
359 | memset(g_screen_ptr, 0, 320*8*2); |
360 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
361 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
362 | } |
363 | else |
364 | { |
45deb409 |
365 | char buff[256]; |
366 | |
046c4540 |
367 | // should really only happen once, on startup.. |
45deb409 |
368 | emu_make_path(buff, "skin/background.png", sizeof(buff)); |
369 | if (readpng(g_screen_ptr, buff, READPNG_BG) < 0) |
370 | memset(g_screen_ptr, 0, 320*240*2); |
046c4540 |
371 | } |
372 | |
373 | memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2); |
374 | |
375 | // switch to 16bpp |
376 | gp2x_video_changemode_ll_(16); |
377 | gp2x_video_flip_(); |
720ee7f6 |
378 | } |
379 | |
046c4540 |
380 | void plat_video_menu_begin(void) |
720ee7f6 |
381 | { |
046c4540 |
382 | memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2); |
720ee7f6 |
383 | } |
384 | |
046c4540 |
385 | void plat_video_menu_end(void) |
3f2aaff2 |
386 | { |
046c4540 |
387 | gp2x_video_flip_(); |
3f2aaff2 |
388 | } |
389 | |
046c4540 |
390 | void plat_validate_config(void) |
720ee7f6 |
391 | { |
046c4540 |
392 | // PicoOpt &= ~POPT_EXT_FM; |
720ee7f6 |
393 | } |
394 | |
046c4540 |
395 | void plat_early_init(void) |
720ee7f6 |
396 | { |
397 | } |
398 | |
046c4540 |
399 | void plat_init(void) |
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400 | { |
046c4540 |
401 | realloc_screen(); |
402 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
403 | |
404 | // snd |
405 | sndout_oss_init(); |
406 | |
a148806d |
407 | xlib_init(); |
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408 | } |
409 | |
046c4540 |
410 | void plat_finish(void) |
720ee7f6 |
411 | { |
046c4540 |
412 | free(g_screen_ptr); |
413 | sndout_oss_exit(); |
720ee7f6 |
414 | } |
415 | |
046c4540 |
416 | /* nasty */ |
417 | static void do_nothing() |
720ee7f6 |
418 | { |
720ee7f6 |
419 | } |
420 | |
046c4540 |
421 | void *gp2x_video_flip = gp2x_video_flip_; |
422 | void *gp2x_video_flip2 = gp2x_video_flip_; |
423 | void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_; |
424 | void *gp2x_video_setpalette = gp2x_video_setpalette_; |
425 | |
426 | void *gp2x_video_RGB_setscaling = do_nothing; |
427 | void *gp2x_video_wait_vsync = do_nothing; |
428 | void *gp2x_set_cpuclk = do_nothing; |
429 | void *set_lcd_custom_rate = do_nothing; |
430 | void *unset_lcd_custom_rate = do_nothing; |
431 | void *set_lcd_gamma = do_nothing; |
432 | void *set_ram_timings = do_nothing; |
433 | void *unset_ram_timings = do_nothing; |
434 | |
435 | /* joy */ |
436 | int gp2x_touchpad_read(int *x, int *y) |
720ee7f6 |
437 | { |
046c4540 |
438 | return -1; |
720ee7f6 |
439 | } |
440 | |
720ee7f6 |
441 | /* misc */ |
442 | void spend_cycles(int c) |
443 | { |
46ede6a6 |
444 | usleep(c/200); |
720ee7f6 |
445 | } |
446 | |
046c4540 |
447 | int mp3_get_bitrate(FILE *f, int size) |
448 | { |
449 | return 128; |
450 | } |
451 | |
452 | void mp3_start_play(FILE *f, int pos) |
453 | { |
454 | } |
455 | |
456 | void mp3_update(int *buffer, int length, int stereo) |
457 | { |
458 | } |
459 | |
6245d5a0 |
460 | /* lprintf */ |
461 | void lprintf(const char *fmt, ...) |
462 | { |
463 | va_list vl; |
720ee7f6 |
464 | |
6245d5a0 |
465 | va_start(vl, fmt); |
466 | vprintf(fmt, vl); |
467 | va_end(vl); |
468 | } |
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469 | |