clarify PicoDrive's license
[picodrive.git] / platform / linux / io.c
... / ...
CommitLineData
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 "../libpicofe/linux/sndout_oss.h"
15#include "../common/emu.h"
16#include "../common/input_pico.h"
17#include "version.h"
18
19#include "log_io.h"
20
21int current_keys;
22unsigned char *PicoDraw2FB;
23
24#ifdef FBDEV
25
26#include "fbdev.h"
27
28#else
29
30#include <pthread.h>
31#include <semaphore.h>
32
33static int current_bpp = 16;
34static int current_pal[256];
35static const char *verstring = "PicoDrive " VERSION;
36static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
37
38/* faking GP2X pad */
39enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
40 GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
41 GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
42 GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
43
44static void key_press_event(int keycode)
45{
46 switch (keycode)
47 {
48 case 111:
49 case 0x62: current_keys |= GP2X_UP; break;
50 case 116:
51 case 0x68: current_keys |= GP2X_DOWN; break;
52 case 113:
53 case 0x64: current_keys |= GP2X_LEFT; break;
54 case 114:
55 case 0x66: current_keys |= GP2X_RIGHT; break;
56 case 0x24: current_keys |= GP2X_START; break; // enter
57 case 0x23: current_keys |= GP2X_SELECT;break; // ]
58 case 0x34: current_keys |= GP2X_A; break; // z
59 case 0x35: current_keys |= GP2X_X; break; // x
60 case 0x36: current_keys |= GP2X_B; break; // c
61 case 0x37: current_keys |= GP2X_Y; break; // v
62 case 0x27: current_keys |= GP2X_L; break; // s
63 case 0x28: current_keys |= GP2X_R; break; // d
64 case 0x29: current_keys |= GP2X_PUSH; break; // f
65 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
66 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
67 case 0x2d: log_io_clear(); break; // k
68 case 0x2e: log_io_dump(); break; // l
69 case 0x17: { // tab
70 extern int PicoReset(void);
71 PicoReset();
72 break;
73 }
74 }
75}
76
77static void key_release_event(int keycode)
78{
79 switch (keycode)
80 {
81 case 111:
82 case 0x62: current_keys &= ~GP2X_UP; break;
83 case 116:
84 case 0x68: current_keys &= ~GP2X_DOWN; break;
85 case 113:
86 case 0x64: current_keys &= ~GP2X_LEFT; break;
87 case 114:
88 case 0x66: current_keys &= ~GP2X_RIGHT; break;
89 case 0x24: current_keys &= ~GP2X_START; break; // enter
90 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
91 case 0x34: current_keys &= ~GP2X_A; break; // z
92 case 0x35: current_keys &= ~GP2X_X; break; // x
93 case 0x36: current_keys &= ~GP2X_B; break; // c
94 case 0x37: current_keys &= ~GP2X_Y; break; // v
95 case 0x27: current_keys &= ~GP2X_L; break; // s
96 case 0x28: current_keys &= ~GP2X_R; break; // d
97 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
98 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
99 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
100 }
101}
102
103/* --- */
104
105#include <X11/Xlib.h>
106#include <X11/Xutil.h>
107
108static Display *xlib_display;
109static Window xlib_window;
110static XImage *ximage;
111
112static void ximage_realloc(Display *display, Visual *visual)
113{
114 void *xlib_screen;
115
116 XLockDisplay(xlib_display);
117
118 if (ximage != NULL)
119 XDestroyImage(ximage);
120 ximage = NULL;
121
122 xlib_screen = calloc(scr_w * scr_h, 4);
123 if (xlib_screen != NULL)
124 ximage = XCreateImage(display, visual, 24, ZPixmap, 0,
125 xlib_screen, scr_w, scr_h, 32, 0);
126 if (ximage == NULL)
127 fprintf(stderr, "failed to alloc ximage\n");
128
129 XUnlockDisplay(xlib_display);
130}
131
132static void xlib_update(void)
133{
134 Status xstatus;
135
136 XLockDisplay(xlib_display);
137
138 xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage,
139 0, 0, 0, 0, g_screen_width, g_screen_height);
140 if (xstatus != 0)
141 fprintf(stderr, "XPutImage %d\n", xstatus);
142
143 XUnlockDisplay(xlib_display);
144}
145
146static void *xlib_threadf(void *targ)
147{
148 unsigned int width, height, display_width, display_height;
149 sem_t *sem = targ;
150 XTextProperty windowName;
151 Window win;
152 XEvent report;
153 Display *display;
154 Visual *visual;
155 int screen;
156
157 XInitThreads();
158
159 xlib_display = display = XOpenDisplay(NULL);
160 if (display == NULL)
161 {
162 fprintf(stderr, "cannot connect to X server %s\n",
163 XDisplayName(NULL));
164 sem_post(sem);
165 return NULL;
166 }
167
168 visual = DefaultVisual(display, 0);
169 if (visual->class != TrueColor)
170 {
171 fprintf(stderr, "cannot handle non true color visual\n");
172 XCloseDisplay(display);
173 sem_post(sem);
174 return NULL;
175 }
176
177 printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
178 VendorRelease(display), DisplayString(display), ProtocolVersion(display),
179 ProtocolRevision(display));
180
181 screen = DefaultScreen(display);
182
183 ximage_realloc(display, visual);
184 sem_post(sem);
185
186 display_width = DisplayWidth(display, screen);
187 display_height = DisplayHeight(display, screen);
188
189 xlib_window = win = XCreateSimpleWindow(display,
190 RootWindow(display, screen),
191 display_width / 2 - scr_w / 2,
192 display_height / 2 - scr_h / 2,
193 scr_w + 2, scr_h + 2, 1,
194 BlackPixel(display, screen),
195 BlackPixel(display, screen));
196
197 XStringListToTextProperty((char **)&verstring, 1, &windowName);
198 XSetWMName(display, win, &windowName);
199
200 XSelectInput(display, win, ExposureMask |
201 KeyPressMask | KeyReleaseMask |
202 StructureNotifyMask);
203
204 XMapWindow(display, win);
205
206 while (1)
207 {
208 XNextEvent(display, &report);
209 switch (report.type)
210 {
211 case Expose:
212 while (XCheckTypedEvent(display, Expose, &report))
213 ;
214 xlib_update();
215 break;
216
217 case ConfigureNotify:
218 width = report.xconfigure.width;
219 height = report.xconfigure.height;
220 if (scr_w != width - 2 || scr_h != height - 2) {
221 scr_w = width - 2;
222 scr_h = height - 2;
223 scr_changed = 1;
224 }
225 break;
226
227 case ButtonPress:
228 break;
229
230 case KeyPress:
231 key_press_event(report.xkey.keycode);
232 break;
233
234 case KeyRelease:
235 key_release_event(report.xkey.keycode);
236 break;
237
238 default:
239 break;
240 }
241 }
242}
243
244static void xlib_init(void)
245{
246 pthread_t x_thread;
247 sem_t xlib_sem;
248
249 sem_init(&xlib_sem, 0, 0);
250
251 pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem);
252 pthread_detach(x_thread);
253
254 sem_wait(&xlib_sem);
255 sem_destroy(&xlib_sem);
256}
257
258/* --- */
259
260static void realloc_screen(void)
261{
262 int size = scr_w * scr_h * 2;
263 g_screen_width = g_menuscreen_w = scr_w;
264 g_screen_height = g_menuscreen_h = scr_h;
265 g_screen_ptr = realloc(g_screen_ptr, size);
266 g_menubg_ptr = realloc(g_menubg_ptr, size);
267 memset(g_screen_ptr, 0, size);
268 memset(g_menubg_ptr, 0, size);
269 PicoDraw2FB = g_menubg_ptr;
270 scr_changed = 0;
271}
272
273void plat_video_flip(void)
274{
275 unsigned int *image;
276 int pixel_count, i;
277
278 if (ximage == NULL)
279 return;
280
281 pixel_count = g_screen_width * g_screen_height;
282 image = (void *)ximage->data;
283
284 if (current_bpp == 8)
285 {
286 unsigned char *pixels = g_screen_ptr;
287 int pix;
288
289 for (i = 0; i < pixel_count; i++)
290 {
291 pix = current_pal[pixels[i]];
292 image[i] = pix;
293 }
294 }
295 else
296 {
297 unsigned short *pixels = g_screen_ptr;
298
299 for (i = 0; i < pixel_count; i++)
300 {
301 /* in: rrrr rggg gggb bbbb */
302 /* out: rrrr r000 gggg gg00 bbbb b000 */
303 image[i] = (pixels[i] << 8) & 0xf80000;
304 image[i] |= (pixels[i] << 5) & 0x00fc00;
305 image[i] |= (pixels[i] << 3) & 0x0000f8;
306 }
307 }
308 xlib_update();
309
310 if (scr_changed) {
311 realloc_screen();
312 ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0));
313
314 // propagate new ponters to renderers
315 plat_video_toggle_renderer(0, 0);
316 }
317}
318
319void plat_video_wait_vsync(void)
320{
321}
322
323#endif // !FBDEV
324
325void plat_early_init(void)
326{
327}
328
329void plat_init(void)
330{
331#ifdef FBDEV
332 int ret, w, h;
333 ret = vout_fbdev_init(&w, &h);
334 if (ret != 0)
335 exit(1);
336 g_screen_width = g_menuscreen_w = w;
337 g_screen_height = g_menuscreen_h = h;
338 g_menubg_ptr = realloc(g_menubg_ptr, w * g_screen_height * 2);
339 PicoDraw2FB = g_menubg_ptr;
340#else
341 realloc_screen();
342 memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
343 xlib_init();
344#endif
345
346 // snd
347 sndout_oss_init();
348}
349
350void plat_finish(void)
351{
352#ifdef FBDEV
353 vout_fbdev_finish();
354#else
355 free(g_screen_ptr);
356#endif
357 sndout_oss_exit();
358}
359
360/* misc */
361int mp3_get_bitrate(void *f, int size)
362{
363 return 128;
364}
365
366void mp3_start_play(void *f, int pos)
367{
368}
369
370void mp3_update(int *buffer, int length, int stereo)
371{
372}
373
374#include <linux/input.h>
375
376struct in_default_bind in_evdev_defbinds[] =
377{
378 /* MXYZ SACB RLDU */
379 { KEY_UP, IN_BINDTYPE_PLAYER12, 0 },
380 { KEY_DOWN, IN_BINDTYPE_PLAYER12, 1 },
381 { KEY_LEFT, IN_BINDTYPE_PLAYER12, 2 },
382 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
383 { KEY_S, IN_BINDTYPE_PLAYER12, 4 }, /* B */
384 { KEY_D, IN_BINDTYPE_PLAYER12, 5 }, /* C */
385 { KEY_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
386 { KEY_ENTER, IN_BINDTYPE_PLAYER12, 7 },
387 { KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
388 { 0, 0, 0 }
389};
390