9 #include "../common/plat.h"
10 #include "../common/readpng.h"
11 #include "../common/menu.h"
12 #include "../common/emu.h"
13 #include "../linux/sndout_oss.h"
15 #include <pico/pico.h>
18 int default_cpu_clock;
19 void *gp2x_screens[4];
21 void gp2x_video_changemode(int bpp)
23 gp2x_video_changemode_ll(bpp);
25 gp2x_memset_all_buffers(0, 0, 320*240*2);
29 static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
32 if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
33 if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
34 if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
35 if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
38 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
40 gp2x_memcpy_buffers(0xf, data, offset, len);
43 void gp2x_memset_all_buffers(int offset, int byte, int len)
45 memset((char *)gp2x_screens[0] + offset, byte, len);
46 memset((char *)gp2x_screens[1] + offset, byte, len);
47 memset((char *)gp2x_screens[2] + offset, byte, len);
48 memset((char *)gp2x_screens[3] + offset, byte, len);
51 void gp2x_make_fb_bufferable(int yes)
56 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2);
57 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2);
58 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2);
59 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2);
62 fprintf(stderr, "could not make fb buferable.\n");
64 printf("made fb buferable.\n");
68 char cpu_clk_name[16] = "GP2X CPU clocks";
70 void plat_video_menu_enter(int is_rom_loaded)
72 /* try to switch nicely avoiding tearing on Wiz */
73 gp2x_video_wait_vsync();
74 memset(gp2x_screens[0], 0, 320*240*2);
75 memset(gp2x_screens[1], 0, 320*240*2);
77 gp2x_video_wait_vsync();
78 gp2x_video_wait_vsync();
81 gp2x_video_changemode_ll(16);
82 gp2x_video_RGB_setscaling(0, 320, 240);
85 void plat_video_menu_begin(void)
87 memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
88 g_menuscreen_ptr = g_screen_ptr;
91 void plat_video_menu_end(void)
94 // gp2x_video_flush_cache();
98 void plat_early_init(void)
106 default_cpu_clock = 200;
109 strcpy(cpu_clk_name, "Wiz CPU clock");
110 default_cpu_clock = 533;
113 printf("could not recognize SoC, running in dummy mode.\n");
140 gp2x_memset_all_buffers(0, 0, 320*240*2);
142 // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
143 g_menubg_ptr = gp2x_screens[2];
149 void plat_finish(void)
172 void lprintf(const char *fmt, ...)