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1/*
2 * PicoDrive
3 * (C) notaz, 2007-2010
4 *
5 * This work is licensed under the terms of MAME license.
6 * See COPYING file in the top-level directory.
7 */
8#include <stdio.h>
9#include <stdlib.h>
10#include <string.h>
11
12#include "../libpicofe/menu.h"
13#include "../libpicofe/input.h"
14#include "../common/emu.h"
15#include "../common/input_pico.h"
16#include "version.h"
17
18#include "log_io.h"
19
20int current_keys;
21unsigned char *PicoDraw2FB;
22
23#ifdef FBDEV
24
25#include "fbdev.h"
26
27#else
28
29#include <pthread.h>
30#include <semaphore.h>
31
32static int current_bpp = 16;
33static int current_pal[256];
34static const char *verstring = "PicoDrive " VERSION;
35static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
36
37/* faking GP2X pad */
38enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
39 GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
40 GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
41 GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
42
43static void key_press_event(int keycode)
44{
45 switch (keycode)
46 {
47 case 111:
48 case 0x62: current_keys |= GP2X_UP; break;
49 case 116:
50 case 0x68: current_keys |= GP2X_DOWN; break;
51 case 113:
52 case 0x64: current_keys |= GP2X_LEFT; break;
53 case 114:
54 case 0x66: current_keys |= GP2X_RIGHT; break;
55 case 0x24: current_keys |= GP2X_START; break; // enter
56 case 0x23: current_keys |= GP2X_SELECT;break; // ]
57 case 0x34: current_keys |= GP2X_A; break; // z
58 case 0x35: current_keys |= GP2X_X; break; // x
59 case 0x36: current_keys |= GP2X_B; break; // c
60 case 0x37: current_keys |= GP2X_Y; break; // v
61 case 0x27: current_keys |= GP2X_L; break; // s
62 case 0x28: current_keys |= GP2X_R; break; // d
63 case 0x29: current_keys |= GP2X_PUSH; break; // f
64 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
65 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
66 case 0x2d: log_io_clear(); break; // k
67 case 0x2e: log_io_dump(); break; // l
68 case 0x17: { // tab
69 extern int PicoReset(void);
70 PicoReset();
71 break;
72 }
73 }
74}
75
76static void key_release_event(int keycode)
77{
78 switch (keycode)
79 {
80 case 111:
81 case 0x62: current_keys &= ~GP2X_UP; break;
82 case 116:
83 case 0x68: current_keys &= ~GP2X_DOWN; break;
84 case 113:
85 case 0x64: current_keys &= ~GP2X_LEFT; break;
86 case 114:
87 case 0x66: current_keys &= ~GP2X_RIGHT; break;
88 case 0x24: current_keys &= ~GP2X_START; break; // enter
89 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
90 case 0x34: current_keys &= ~GP2X_A; break; // z
91 case 0x35: current_keys &= ~GP2X_X; break; // x
92 case 0x36: current_keys &= ~GP2X_B; break; // c
93 case 0x37: current_keys &= ~GP2X_Y; break; // v
94 case 0x27: current_keys &= ~GP2X_L; break; // s
95 case 0x28: current_keys &= ~GP2X_R; break; // d
96 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
97 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
98 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
99 }
100}
101
102/* --- */
103
104#include <X11/Xlib.h>
105#include <X11/Xutil.h>
106
107static Display *xlib_display;
108static Window xlib_window;
109static XImage *ximage;
110
111static void ximage_realloc(Display *display, Visual *visual)
112{
113 void *xlib_screen;
114
115 XLockDisplay(xlib_display);
116
117 if (ximage != NULL)
118 XDestroyImage(ximage);
119 ximage = NULL;
120
121 xlib_screen = calloc(scr_w * scr_h, 4);
122 if (xlib_screen != NULL)
123 ximage = XCreateImage(display, visual, 24, ZPixmap, 0,
124 xlib_screen, scr_w, scr_h, 32, 0);
125 if (ximage == NULL)
126 fprintf(stderr, "failed to alloc ximage\n");
127
128 XUnlockDisplay(xlib_display);
129}
130
131static void xlib_update(void)
132{
133 Status xstatus;
134
135 XLockDisplay(xlib_display);
136
137 xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage,
138 0, 0, 0, 0, g_screen_width, g_screen_height);
139 if (xstatus != 0)
140 fprintf(stderr, "XPutImage %d\n", xstatus);
141
142 XUnlockDisplay(xlib_display);
143}
144
145static void *xlib_threadf(void *targ)
146{
147 unsigned int width, height, display_width, display_height;
148 sem_t *sem = targ;
149 XTextProperty windowName;
150 Window win;
151 XEvent report;
152 Display *display;
153 Visual *visual;
154 int screen;
155
156 XInitThreads();
157
158 xlib_display = display = XOpenDisplay(NULL);
159 if (display == NULL)
160 {
161 fprintf(stderr, "cannot connect to X server %s\n",
162 XDisplayName(NULL));
163 sem_post(sem);
164 return NULL;
165 }
166
167 visual = DefaultVisual(display, 0);
168 if (visual->class != TrueColor)
169 {
170 fprintf(stderr, "cannot handle non true color visual\n");
171 XCloseDisplay(display);
172 sem_post(sem);
173 return NULL;
174 }
175
176 printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
177 VendorRelease(display), DisplayString(display), ProtocolVersion(display),
178 ProtocolRevision(display));
179
180 screen = DefaultScreen(display);
181
182 ximage_realloc(display, visual);
183 sem_post(sem);
184
185 display_width = DisplayWidth(display, screen);
186 display_height = DisplayHeight(display, screen);
187
188 xlib_window = win = XCreateSimpleWindow(display,
189 RootWindow(display, screen),
190 display_width / 2 - scr_w / 2,
191 display_height / 2 - scr_h / 2,
192 scr_w + 2, scr_h + 2, 1,
193 BlackPixel(display, screen),
194 BlackPixel(display, screen));
195
196 XStringListToTextProperty((char **)&verstring, 1, &windowName);
197 XSetWMName(display, win, &windowName);
198
199 XSelectInput(display, win, ExposureMask |
200 KeyPressMask | KeyReleaseMask |
201 StructureNotifyMask);
202
203 XMapWindow(display, win);
204
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 }
241}
242
243static void xlib_init(void)
244{
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);
255}
256
257/* --- */
258
259static void realloc_screen(void)
260{
261 int size = scr_w * scr_h * 2;
262 g_screen_width = g_menuscreen_w = scr_w;
263 g_screen_height = g_menuscreen_h = scr_h;
264 g_screen_ptr = realloc(g_screen_ptr, size);
265 g_menubg_ptr = realloc(g_menubg_ptr, size);
266 memset(g_screen_ptr, 0, size);
267 memset(g_menubg_ptr, 0, size);
268 PicoDraw2FB = g_menubg_ptr;
269 scr_changed = 0;
270}
271
272void plat_video_flip(void)
273{
274 unsigned int *image;
275 int pixel_count, i;
276
277 if (ximage == NULL)
278 return;
279
280 pixel_count = g_screen_width * g_screen_height;
281 image = (void *)ximage->data;
282
283 if (current_bpp == 8)
284 {
285 unsigned char *pixels = g_screen_ptr;
286 int pix;
287
288 for (i = 0; i < pixel_count; i++)
289 {
290 pix = current_pal[pixels[i]];
291 image[i] = pix;
292 }
293 }
294 else
295 {
296 unsigned short *pixels = g_screen_ptr;
297
298 for (i = 0; i < pixel_count; i++)
299 {
300 /* in: rrrr rggg gggb bbbb */
301 /* out: rrrr r000 gggg gg00 bbbb b000 */
302 image[i] = (pixels[i] << 8) & 0xf80000;
303 image[i] |= (pixels[i] << 5) & 0x00fc00;
304 image[i] |= (pixels[i] << 3) & 0x0000f8;
305 }
306 }
307 xlib_update();
308
309 if (scr_changed) {
310 realloc_screen();
311 ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0));
312
313 // propagate new ponters to renderers
314 plat_video_toggle_renderer(0, 0);
315 }
316}
317
318void plat_video_wait_vsync(void)
319{
320}
321
322#endif // !FBDEV
323
324void plat_early_init(void)
325{
326}
327
328void plat_init(void)
329{
330#ifdef FBDEV
331 int ret, w, h;
332 ret = vout_fbdev_init(&w, &h);
333 if (ret != 0)
334 exit(1);
335 g_screen_width = g_menuscreen_w = w;
336 g_screen_height = g_menuscreen_h = h;
337 g_menubg_ptr = realloc(g_menubg_ptr, w * g_screen_height * 2);
338 PicoDraw2FB = g_menubg_ptr;
339#else
340 realloc_screen();
341 memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
342 xlib_init();
343#endif
344}
345
346void plat_finish(void)
347{
348#ifdef FBDEV
349 vout_fbdev_finish();
350#else
351 free(g_screen_ptr);
352#endif
353}
354
355/* misc */
356int mp3_get_bitrate(void *f, int size)
357{
358 return 128;
359}
360
361void mp3_start_play(void *f, int pos)
362{
363}
364
365void mp3_update(int *buffer, int length, int stereo)
366{
367}
368
369#include <linux/input.h>
370
371struct in_default_bind in_evdev_defbinds[] =
372{
373 /* MXYZ SACB RLDU */
374 { KEY_UP, IN_BINDTYPE_PLAYER12, 0 },
375 { KEY_DOWN, IN_BINDTYPE_PLAYER12, 1 },
376 { KEY_LEFT, IN_BINDTYPE_PLAYER12, 2 },
377 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
378 { KEY_S, IN_BINDTYPE_PLAYER12, 4 }, /* B */
379 { KEY_D, IN_BINDTYPE_PLAYER12, 5 }, /* C */
380 { KEY_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
381 { KEY_ENTER, IN_BINDTYPE_PLAYER12, 7 },
382 { KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
383 { 0, 0, 0 }
384};
385