+#include <stdio.h>
+#include <stdlib.h>
#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>
-void plat_video_menu_enter(int is_rom_loaded)
+/* GP2X local */
+int default_cpu_clock;
+int gp2x_dev_id;
+int gp2x_current_bpp;
+void *gp2x_screens[4];
+
+void gp2x_video_changemode(int bpp)
{
- if (is_rom_loaded)
- {
- // darken the active framebuffer
- memset(gp2x_screen, 0, 320*8*2);
- menu_darken_bg((char *)gp2x_screen + 320*8*2, 320*224, 1);
- memset((char *)gp2x_screen + 320*232*2, 0, 320*8*2);
- }
+ gp2x_video_changemode_ll(bpp);
+
+ gp2x_current_bpp = bpp < 0 ? -bpp : bpp;
+}
+
+static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
+{
+ char *dst;
+ if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
+ if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
+ if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
+ if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
+}
+
+void gp2x_memcpy_all_buffers(void *data, int offset, int len)
+{
+ gp2x_memcpy_buffers(0xf, data, offset, len);
+}
+
+void gp2x_memset_all_buffers(int offset, int byte, int len)
+{
+ memset((char *)gp2x_screens[0] + offset, byte, len);
+ memset((char *)gp2x_screens[1] + offset, byte, len);
+ memset((char *)gp2x_screens[2] + offset, byte, len);
+ memset((char *)gp2x_screens[3] + offset, byte, len);
+}
+
+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
- {
- // should really only happen once, on startup..
- readpng(gp2x_screen, "skin/background.png", READPNG_BG);
- }
+ printf("made fb buferable.\n");
+}
- // copy to buffer2
- gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);
+/* common */
+void plat_video_menu_enter(int is_rom_loaded)
+{
+ 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();
+ }
// switch to 16bpp
- gp2x_video_changemode2(16);
+ gp2x_video_changemode_ll(16);
gp2x_video_RGB_setscaling(0, 320, 240);
- gp2x_video_flip2();
}
void plat_video_menu_begin(void)
{
- gp2x_pd_clone_buffer2();
+ memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
+ g_menuscreen_ptr = g_screen_ptr;
}
void plat_video_menu_end(void)
{
- gp2x_video_flush_cache();
+ // FIXME
+ // gp2x_video_flush_cache();
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;
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ mmsp2_init();
+ break;
+ case SOCID_POLLUX:
+ pollux_init();
+ break;
+ default:
+ 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)
+{
+ gp2x_soc_t soc;
+
+ warm_finish();
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ mmsp2_finish();
+ break;
+ case SOCID_POLLUX:
+ pollux_finish();
+ break;
+ default:
+ dummy_finish();
+ break;
+ }
+
+ sndout_oss_exit();
+}
+
+void lprintf(const char *fmt, ...)
+{
+ va_list vl;
+
+ va_start(vl, fmt);
+ vprintf(fmt, vl);
+ va_end(vl);
+}
+