1 /* faking/emulating gp2x by using gtk */
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;
30 int mix_32_to_16l_level;
32 int default_cpu_clock = 123;
35 struct gtk_global_struct
42 static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
47 static void destroy (GtkWidget *widget, gpointer data)
53 enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
54 GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
55 GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
56 GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
58 static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
60 switch (event->hardware_keycode)
63 case 0x62: current_keys |= GP2X_UP; break;
65 case 0x68: current_keys |= GP2X_DOWN; break;
67 case 0x64: current_keys |= GP2X_LEFT; break;
69 case 0x66: current_keys |= GP2X_RIGHT; break;
70 case 0x24: current_keys |= GP2X_START; break; // enter
71 case 0x23: current_keys |= GP2X_SELECT;break; // ]
72 case 0x34: current_keys |= GP2X_A; break; // z
73 case 0x35: current_keys |= GP2X_X; break; // x
74 case 0x36: current_keys |= GP2X_B; break; // c
75 case 0x37: current_keys |= GP2X_Y; break; // v
76 case 0x27: current_keys |= GP2X_L; break; // s
77 case 0x28: current_keys |= GP2X_R; break; // d
78 case 0x29: current_keys |= GP2X_PUSH; break; // f
79 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
80 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
81 case 0x2d: log_io_clear(); break; // k
82 case 0x2e: log_io_dump(); break; // l
84 extern int PicoReset(void);
93 static gint key_release_event (GtkWidget *widget, GdkEventKey *event)
95 switch (event->hardware_keycode)
98 case 0x62: current_keys &= ~GP2X_UP; break;
100 case 0x68: current_keys &= ~GP2X_DOWN; break;
102 case 0x64: current_keys &= ~GP2X_LEFT; break;
104 case 0x66: current_keys &= ~GP2X_RIGHT; break;
105 case 0x24: current_keys &= ~GP2X_START; break; // enter
106 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
107 case 0x34: current_keys &= ~GP2X_A; break; // z
108 case 0x35: current_keys &= ~GP2X_X; break; // x
109 case 0x36: current_keys &= ~GP2X_B; break; // c
110 case 0x37: current_keys &= ~GP2X_Y; break; // v
111 case 0x27: current_keys &= ~GP2X_L; break; // s
112 case 0x28: current_keys &= ~GP2X_R; break; // d
113 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
114 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
115 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
121 static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data)
123 // printf("%dx%d\n", allocation->width, allocation->height);
124 if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) {
125 scr_w = allocation->width - 2;
126 scr_h = allocation->height - 2;
131 static void *gtk_threadf(void *targ)
134 char *argv[] = { "" };
138 g_thread_init (NULL);
141 gtk_init (&argc, (char ***) &argv);
143 /* create new window */
144 gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
145 g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
146 G_CALLBACK (delete_event), NULL);
148 g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
149 G_CALLBACK (destroy), NULL);
151 g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
152 G_CALLBACK (key_press_event), NULL);
154 g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
155 G_CALLBACK (key_release_event), NULL);
157 g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate",
158 G_CALLBACK (size_allocate_event), NULL);
160 gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1);
161 gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
163 box = gtk_hbox_new(FALSE, 0);
164 gtk_widget_show(box);
165 gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
168 gtk_items.pixmap1 = gtk_image_new ();
169 gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
170 gtk_widget_show (gtk_items.pixmap1);
171 gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
173 gtk_widget_show (gtk_items.window);
179 printf("linux: gtk thread finishing\n");
185 static void gtk_initf(void)
187 pthread_t gtk_thread;
189 sem_init(&sem, 0, 0);
191 pthread_create(>k_thread, NULL, gtk_threadf, &sem);
192 pthread_detach(gtk_thread);
198 void finalize_image(guchar *pixels, gpointer data)
205 static void realloc_screen(void)
207 void *old = g_screen_ptr;
208 g_screen_width = scr_w;
209 g_screen_height = scr_h;
210 g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1);
215 /* gp2x/emu.c stuff, most to be rm'd */
216 static void gp2x_video_flip_(void)
219 unsigned char *image;
222 pixel_count = g_screen_width * g_screen_height;
226 image = malloc(pixel_count * 3);
233 if (current_bpp == 8)
235 unsigned char *pixels = g_screen_ptr;
238 for (i = 0; i < pixel_count; i++)
240 pix = current_pal[pixels[i]];
241 image[3 * i + 0] = pix >> 16;
242 image[3 * i + 1] = pix >> 8;
243 image[3 * i + 2] = pix;
248 unsigned short *pixels = g_screen_ptr;
250 for (i = 0; i < pixel_count; i++)
252 /* in: rrrr rggg gggb bbbb */
253 /* out: rrrr r000 gggg gg00 bbbb b000 */
254 image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
255 image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
256 image[3 * i + 2] = (pixels[i] << 3);
260 pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
261 FALSE, 8, g_screen_width, g_screen_height,
262 g_screen_width * 3, finalize_image, NULL);
263 gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
264 g_object_unref (pixbuf);
272 static void gp2x_video_changemode_ll_(int bpp)
277 static void gp2x_video_setpalette_(int *pal, int len)
279 memcpy(current_pal, pal, len*4);
282 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
286 void gp2x_memset_all_buffers(int offset, int byte, int len)
288 memset((char *)g_screen_ptr + offset, byte, len);
291 void gp2x_video_changemode(int bpp)
293 gp2x_video_changemode_ll_(bpp);
296 void gp2x_make_fb_bufferable(int yes)
306 static char menu_bg_buffer[320*240*2];
307 char cpu_clk_name[16] = "GP2X CPU clocks";
309 void plat_video_menu_enter(int is_rom_loaded)
313 // darken the active framebuffer
314 memset(g_screen_ptr, 0, 320*8*2);
315 menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
316 memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
320 // should really only happen once, on startup..
321 readpng(g_screen_ptr, "skin/background.png", READPNG_BG);
324 memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2);
327 gp2x_video_changemode_ll_(16);
331 void plat_video_menu_begin(void)
333 memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2);
336 void plat_video_menu_end(void)
341 void plat_validate_config(void)
343 // PicoOpt &= ~POPT_EXT_FM;
346 void plat_early_init(void)
353 memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
361 void plat_finish(void)
368 static void do_nothing()
372 void *gp2x_video_flip = gp2x_video_flip_;
373 void *gp2x_video_flip2 = gp2x_video_flip_;
374 void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_;
375 void *gp2x_video_setpalette = gp2x_video_setpalette_;
377 void *gp2x_video_RGB_setscaling = do_nothing;
378 void *gp2x_video_wait_vsync = do_nothing;
379 void *gp2x_set_cpuclk = do_nothing;
380 void *set_lcd_custom_rate = do_nothing;
381 void *unset_lcd_custom_rate = do_nothing;
382 void *set_lcd_gamma = do_nothing;
383 void *set_ram_timings = do_nothing;
384 void *unset_ram_timings = do_nothing;
387 int gp2x_touchpad_read(int *x, int *y)
393 void spend_cycles(int c)
398 int mp3_get_bitrate(FILE *f, int size)
403 void mp3_start_play(FILE *f, int pos)
407 void mp3_update(int *buffer, int length, int stereo)
412 void lprintf(const char *fmt, ...)