#include <string.h>
#include <stdarg.h>
-#include "gp2x.h"
+#include "plat_gp2x.h"
#include "soc.h"
+#include "warm.h"
#include "../common/plat.h"
#include "../common/readpng.h"
#include "../common/menu.h"
#include "../common/emu.h"
#include "../linux/sndout_oss.h"
+#include <pico/pico.h>
+
/* GP2X local */
+int default_cpu_clock;
+int gp2x_dev_id;
+int gp2x_current_bpp;
void *gp2x_screens[4];
void gp2x_video_changemode(int bpp)
{
gp2x_video_changemode_ll(bpp);
- gp2x_memset_all_buffers(0, 0, 320*240*2);
- gp2x_video_flip();
+ gp2x_current_bpp = bpp < 0 ? -bpp : bpp;
}
static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
memset((char *)gp2x_screens[3] + offset, byte, len);
}
-/* common */
-char cpu_clk_name[16] = "GP2X CPU clocks";
+void gp2x_make_fb_bufferable(int yes)
+{
+ int ret = 0;
+
+ yes = yes ? 1 : 0;
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2);
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2);
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2);
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2);
+
+ if (ret)
+ fprintf(stderr, "could not make fb buferable.\n");
+ else
+ printf("made fb buferable.\n");
+}
+/* common */
void plat_video_menu_enter(int is_rom_loaded)
{
- if (is_rom_loaded)
- {
- // darken the active framebuffer
- memset(g_screen_ptr, 0, 320*8*2);
- menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
- memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
- }
- else
- {
- // should really only happen once, on startup..
- readpng(g_screen_ptr, "skin/background.png", READPNG_BG);
+ if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) {
+ /* try to switch nicely avoiding glitches */
+ gp2x_video_wait_vsync();
+ memset(gp2x_screens[0], 0, 320*240*2);
+ memset(gp2x_screens[1], 0, 320*240*2);
+ gp2x_video_flip2(); // might flip to fb2/3
+ gp2x_video_flip2(); // ..so we do it again
+ // gp2x_video_wait_vsync();
}
- // copy to buffer2
- gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2);
-
// switch to 16bpp
gp2x_video_changemode_ll(16);
gp2x_video_RGB_setscaling(0, 320, 240);
- gp2x_video_flip2();
}
void plat_video_menu_begin(void)
{
memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
+ g_menuscreen_ptr = g_screen_ptr;
}
void plat_video_menu_end(void)
gp2x_video_flip2();
}
+void plat_early_init(void)
+{
+ gp2x_soc_t soc;
+ FILE *f;
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ default_cpu_clock = 200;
+ gp2x_dev_id = GP2X_DEV_GP2X;
+ break;
+ case SOCID_POLLUX:
+ default_cpu_clock = 533;
+ f = fopen("/dev/accel", "rb");
+ if (f) {
+ printf("detected Caanoo\n");
+ gp2x_dev_id = GP2X_DEV_CAANOO;
+ fclose(f);
+ }
+ else {
+ printf("detected Wiz\n");
+ gp2x_dev_id = GP2X_DEV_WIZ;
+ }
+ break;
+ default:
+ printf("could not recognize SoC, running in dummy mode.\n");
+ break;
+ }
+
+ gp2x_menu_init();
+}
+
void plat_init(void)
{
gp2x_soc_t soc;
break;
case SOCID_POLLUX:
pollux_init();
- strcpy(cpu_clk_name, "Wiz CPU clock");
break;
default:
- fprintf(stderr, "could not recognize SoC, bailing out.\n");
- exit(1);
+ dummy_init();
+ break;
}
+ warm_init();
+
gp2x_memset_all_buffers(0, 0, 320*240*2);
+ // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
+ g_menubg_ptr = gp2x_screens[2];
+
// snd
sndout_oss_init();
}
void plat_finish(void)
{
- switch (gp2x_soc)
+ gp2x_soc_t soc;
+
+ warm_finish();
+
+ soc = soc_detect();
+ switch (soc)
{
case SOCID_MMSP2:
mmsp2_finish();
case SOCID_POLLUX:
pollux_finish();
break;
+ default:
+ dummy_finish();
+ break;
}
- gp2x_video_changemode(16);
sndout_oss_exit();
}