1 /* faking/emulating gp2x by using xlib */
10 #include <sys/types.h>
15 #include "../gp2x/version.h"
16 #include "../common/emu.h"
17 #include "../common/menu.h"
18 #include "../common/readpng.h"
19 #include "sndout_oss.h"
23 unsigned long current_keys = 0;
24 static int current_bpp = 8;
25 static int current_pal[256];
26 static const char *verstring = "PicoDrive " VERSION;
27 static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
28 void *gp2x_screens[4];
31 int mix_32_to_16l_level;
33 int default_cpu_clock = 123;
34 void *gp2x_memregs = NULL;
36 /* ifndef is for qemu build without video out */
40 enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
41 GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
42 GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
43 GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
45 static void key_press_event(int keycode)
50 case 0x62: current_keys |= GP2X_UP; break;
52 case 0x68: current_keys |= GP2X_DOWN; break;
54 case 0x64: current_keys |= GP2X_LEFT; break;
56 case 0x66: current_keys |= GP2X_RIGHT; break;
57 case 0x24: current_keys |= GP2X_START; break; // enter
58 case 0x23: current_keys |= GP2X_SELECT;break; // ]
59 case 0x34: current_keys |= GP2X_A; break; // z
60 case 0x35: current_keys |= GP2X_X; break; // x
61 case 0x36: current_keys |= GP2X_B; break; // c
62 case 0x37: current_keys |= GP2X_Y; break; // v
63 case 0x27: current_keys |= GP2X_L; break; // s
64 case 0x28: current_keys |= GP2X_R; break; // d
65 case 0x29: current_keys |= GP2X_PUSH; break; // f
66 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
67 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
68 case 0x2d: log_io_clear(); break; // k
69 case 0x2e: log_io_dump(); break; // l
71 extern int PicoReset(void);
78 static void key_release_event(int keycode)
83 case 0x62: current_keys &= ~GP2X_UP; break;
85 case 0x68: current_keys &= ~GP2X_DOWN; break;
87 case 0x64: current_keys &= ~GP2X_LEFT; break;
89 case 0x66: current_keys &= ~GP2X_RIGHT; break;
90 case 0x24: current_keys &= ~GP2X_START; break; // enter
91 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
92 case 0x34: current_keys &= ~GP2X_A; break; // z
93 case 0x35: current_keys &= ~GP2X_X; break; // x
94 case 0x36: current_keys &= ~GP2X_B; break; // c
95 case 0x37: current_keys &= ~GP2X_Y; break; // v
96 case 0x27: current_keys &= ~GP2X_L; break; // s
97 case 0x28: current_keys &= ~GP2X_R; break; // d
98 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
99 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
100 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
106 #include <X11/Xlib.h>
107 #include <X11/Xutil.h>
109 static Display *xlib_display;
110 static Window xlib_window;
111 static XImage *ximage;
113 static void ximage_realloc(Display *display, Visual *visual)
117 XLockDisplay(xlib_display);
120 XDestroyImage(ximage);
123 xlib_screen = calloc(scr_w * scr_h, 4);
124 if (xlib_screen != NULL)
125 ximage = XCreateImage(display, visual, 24, ZPixmap, 0,
126 xlib_screen, scr_w, scr_h, 32, 0);
128 fprintf(stderr, "failed to alloc ximage\n");
130 XUnlockDisplay(xlib_display);
133 static void xlib_update(void)
137 XLockDisplay(xlib_display);
139 xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage,
140 0, 0, 0, 0, g_screen_width, g_screen_height);
142 fprintf(stderr, "XPutImage %d\n", xstatus);
144 XUnlockDisplay(xlib_display);
147 static void *xlib_threadf(void *targ)
149 unsigned int width, height, display_width, display_height;
151 XTextProperty windowName;
160 xlib_display = display = XOpenDisplay(NULL);
163 fprintf(stderr, "cannot connect to X server %s\n",
169 visual = DefaultVisual(display, 0);
170 if (visual->class != TrueColor)
172 fprintf(stderr, "cannot handle non true color visual\n");
173 XCloseDisplay(display);
178 printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
179 VendorRelease(display), DisplayString(display), ProtocolVersion(display),
180 ProtocolRevision(display));
182 screen = DefaultScreen(display);
184 ximage_realloc(display, visual);
187 display_width = DisplayWidth(display, screen);
188 display_height = DisplayHeight(display, screen);
190 xlib_window = win = XCreateSimpleWindow(display,
191 RootWindow(display, screen),
192 display_width / 2 - scr_w / 2,
193 display_height / 2 - scr_h / 2,
194 scr_w + 2, scr_h + 2, 1,
195 BlackPixel(display, screen),
196 BlackPixel(display, screen));
198 XStringListToTextProperty((char **)&verstring, 1, &windowName);
199 XSetWMName(display, win, &windowName);
201 XSelectInput(display, win, ExposureMask |
202 KeyPressMask | KeyReleaseMask |
203 StructureNotifyMask);
205 XMapWindow(display, win);
209 XNextEvent(display, &report);
213 while (XCheckTypedEvent(display, Expose, &report))
218 case ConfigureNotify:
219 width = report.xconfigure.width;
220 height = report.xconfigure.height;
221 if (scr_w != width - 2 || scr_h != height - 2) {
232 key_press_event(report.xkey.keycode);
236 key_release_event(report.xkey.keycode);
245 static void xlib_init(void)
250 sem_init(&xlib_sem, 0, 0);
252 pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem);
253 pthread_detach(x_thread);
256 sem_destroy(&xlib_sem);
262 static void realloc_screen(void)
264 void *old = g_screen_ptr;
266 g_screen_width = scr_w;
267 g_screen_height = scr_h;
268 g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1);
272 for (i = 0; i < 4; i++)
273 gp2x_screens[i] = g_screen_ptr;
276 /* gp2x/emu.c stuff, most to be rm'd */
277 static void gp2x_video_flip_(void)
286 pixel_count = g_screen_width * g_screen_height;
287 image = (void *)ximage->data;
289 if (current_bpp == 8)
291 unsigned char *pixels = g_screen_ptr;
294 for (i = 0; i < pixel_count; i++)
296 pix = current_pal[pixels[i]];
302 unsigned short *pixels = g_screen_ptr;
304 for (i = 0; i < pixel_count; i++)
306 /* in: rrrr rggg gggb bbbb */
307 /* out: rrrr r000 gggg gg00 bbbb b000 */
308 image[i] = (pixels[i] << 8) & 0xf80000;
309 image[i] |= (pixels[i] << 5) & 0x00fc00;
310 image[i] |= (pixels[i] << 3) & 0x0000f8;
317 ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0));
322 static void gp2x_video_changemode_ll_(int bpp)
327 static void gp2x_video_setpalette_(int *pal, int len)
329 memcpy(current_pal, pal, len*4);
332 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
336 void gp2x_memset_all_buffers(int offset, int byte, int len)
338 memset((char *)g_screen_ptr + offset, byte, len);
341 void gp2x_video_changemode(int bpp)
343 gp2x_video_changemode_ll_(bpp);
346 void gp2x_make_fb_bufferable(int yes)
356 static char menu_bg_buffer[320*240*2];
357 char cpu_clk_name[16] = "GP2X CPU clocks";
359 void plat_video_menu_enter(int is_rom_loaded)
363 // darken the active framebuffer
364 memset(g_screen_ptr, 0, 320*8*2);
365 menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
366 memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
372 // should really only happen once, on startup..
373 emu_make_path(buff, "skin/background.png", sizeof(buff));
374 if (readpng(g_screen_ptr, buff, READPNG_BG) < 0)
375 memset(g_screen_ptr, 0, 320*240*2);
378 memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2);
381 gp2x_video_changemode_ll_(16);
385 void plat_video_menu_begin(void)
387 memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2);
390 void plat_video_menu_end(void)
395 void plat_validate_config(void)
398 // PicoOpt &= ~POPT_EXT_FM;
399 PicoOpt &= ~(1<<17); // POPT_EN_SVP_DRC
402 void plat_early_init(void)
409 memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
419 void plat_finish(void)
426 static void do_nothing()
430 void *gp2x_video_flip = gp2x_video_flip_;
431 void *gp2x_video_flip2 = gp2x_video_flip_;
432 void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_;
433 void *gp2x_video_setpalette = gp2x_video_setpalette_;
435 void *gp2x_video_RGB_setscaling = do_nothing;
436 void *gp2x_video_wait_vsync = do_nothing;
437 void *gp2x_set_cpuclk = do_nothing;
438 void *gp2x_read_battery = do_nothing;
439 void *set_lcd_custom_rate = do_nothing;
440 void *unset_lcd_custom_rate = do_nothing;
441 void *set_lcd_gamma = do_nothing;
442 void *set_ram_timings = do_nothing;
443 void *unset_ram_timings = do_nothing;
446 int gp2x_touchpad_read(int *x, int *y)
452 void spend_cycles(int c)
457 int mp3_get_bitrate(FILE *f, int size)
462 void mp3_start_play(FILE *f, int pos)
466 void mp3_update(int *buffer, int length, int stereo)
470 void cache_flush_d_inval_i()
475 void lprintf(const char *fmt, ...)