void gp2x_init(void)
{
printf("entering init()\n");
fflush(stdout);
gp2x_screen = malloc(320*240*2 + 32);
if(gp2x_screen == NULL) return;
memset(gp2x_screen, 0, 320*240*2 + 32);
if(SDL_Init(SDL_INIT_NOPARACHUTE))
{
printf("Could not initialize SDL: %s.\n", SDL_GetError());
return;
}
if(SDL_InitSubSystem(SDL_INIT_VIDEO)==-1)
{
puts(SDL_GetError());
return;
}
SDL_ShowCursor(0);
gp2x_video_changemode(8);
/* init usb joys -GnoStiC */
gp2x_usbjoy_init();
SDL_PumpEvents();
printf("gp2x_init done.\n");
}
static void vid_reset_mode(void)
{
int gp2x_mode = 16;
int renderer = get_renderer();
PicoOpt &= ~POPT_ALT_RENDERER;
emu_scan_begin = NULL;
emu_scan_end = NULL;
switch (renderer) {
case RT_16BIT:
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
break;
case RT_8BIT_ACC:
PicoDrawSetOutFormat(PDF_8BIT, 0);
PicoDrawSetOutBuf(g_screen_ptr, g_screen_width);
gp2x_mode = 8;
break;
case RT_8BIT_FAST:
PicoOpt |= POPT_ALT_RENDERER;
PicoDrawSetOutFormat(PDF_NONE, 0);
vidcpyM2 = vidcpy_m2;
gp2x_mode = 8;
break;
default:
printf("bad renderer\n");
break;
}
if (PicoAHW & PAHW_32X) {
// Wiz 16bit is an exception, uses line rendering due to rotation mess
if (renderer == RT_16BIT && (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)) {
PicoDrawSetOutFormat(PDF_RGB555, 1);
}
else {
PicoDrawSetOutFormat(PDF_NONE, 0);
}
PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
gp2x_mode = 16;
}
if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
if ((PicoAHW & PAHW_32X) || renderer == RT_16BIT) {
emu_scan_begin = EmuScanBegin16_rot;
emu_scan_end = EmuScanEnd16_rot;
}
else if (renderer == RT_8BIT_ACC) {
emu_scan_begin = EmuScanBegin8_rot;
emu_scan_end = EmuScanEnd8_rot;
}
else if (renderer == RT_8BIT_FAST)
vidcpyM2 = vidcpy_m2_rot;
}
PicoDrawSetCallbacks(emu_scan_begin, emu_scan_end);
if (is_16bit_mode())
osd_text = (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) ? osd_text16_rot : emu_osd_text16;
else
osd_text = (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) ? osd_text8_rot : osd_text8;
gp2x_video_wait_vsync();
if (!is_16bit_mode()) {
// setup pal for 8-bit modes
localPal[0xc0] = 0x0000c000; // MCD LEDs
localPal[0xd0] = 0x00c00000;
localPal[0xe0] = 0x00000000; // reserved pixels for OSD
localPal[0xf0] = 0x00ffffff;
gp2x_video_setpalette(localPal, 0x100);
gp2x_memset_all_buffers(0, 0xe0, 320*240);
}
else
gp2x_memset_all_buffers(0, 0, 320*240*2);
if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)
gp2x_mode = -gp2x_mode;
gp2x_video_changemode(gp2x_mode, Pico.m.pal);
Pico.m.dirtyPal = 1;
PicoOpt &= ~POPT_EN_SOFTSCALE;
if (currentConfig.scaling == EOPT_SCALE_SW)
PicoOpt |= POPT_EN_SOFTSCALE;
// palette converters for 8bit modes
make_local_pal = (PicoAHW & PAHW_SMS) ? make_local_pal_sms : make_local_pal_md;
}
