void emu_video_mode_change(int start_line, int line_count, int is_32cols)
{
memset(vout_buf, 0, 320 * 240 * 2);
vout_width = is_32cols ? 256 : 320;
PicoDrawSetOutBuf(vout_buf, vout_width * 2);
vout_height = line_count;
vout_offset = vout_width * start_line;
}
void plat_video_flip(void)
{
int stride = g_screen_width;
gp2x_video_flip();
if (is_16bit_mode())
stride *= 2;
PicoDrawSetOutBuf(g_screen_ptr, stride);
}
void pemu_forced_frame(int no_scale, int do_emu)
{
PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
PicoDrawSetCallbacks(NULL, NULL);
Pico.m.dirtyPal = 1;
emu_cmn_forced_frame(no_scale, do_emu);
g_menubg_src_ptr = g_screen_ptr;
}
static void apply_renderer(void)
{
switch (currentConfig.renderer) {
case RT_16BIT:
PicoIn.opt &= ~POPT_ALT_RENDERER;
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
break;
case RT_8BIT_ACC:
PicoIn.opt &= ~POPT_ALT_RENDERER;
PicoDrawSetOutFormat(PDF_8BIT, 0);
PicoDrawSetOutBuf(Pico.est.Draw2FB + 8, 328);
break;
case RT_8BIT_FAST:
PicoIn.opt |= POPT_ALT_RENDERER;
PicoDrawSetOutFormat(PDF_NONE, 0);
break;
}
if (PicoIn.AHW & PAHW_32X)
PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
}
void retro_init(void)
{
struct retro_log_callback log;
int level;
level = 0;
environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log))
log_cb = log.log;
else
log_cb = NULL;
environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
#ifdef _3DS
ctr_svchack_successful = ctr_svchack_init();
#endif
PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80
| POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX
| POPT_EN_32X|POPT_EN_PWM
| POPT_ACC_SPRITES|POPT_DIS_32C_BORDER;
#ifdef __arm__
#ifdef _3DS
if (ctr_svchack_successful)
#endif
PicoOpt |= POPT_EN_DRC;
#endif
PsndRate = 44100;
PicoAutoRgnOrder = 0x184; // US, EU, JP
vout_width = 320;
vout_height = 240;
#ifdef _3DS
vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
#else
vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
#endif
PicoInit();
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetOutBuf(vout_buf, vout_width * 2);
//PicoMessage = plat_status_msg_busy_next;
PicoMCDopenTray = disk_tray_open;
PicoMCDcloseTray = disk_tray_close;
update_variables();
}
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;
}