static void vidResetMode(void)
{
giz_screen = fb_lock(1);
if (PicoOpt&0x10) {
} else if (currentConfig.EmuOpt&0x80) {
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetCallbacks(EmuScanBegin16, NULL);
} else {
PicoDrawSetOutFormat(PDF_NONE, 0);
PicoDrawSetCallbacks(EmuScanBegin8, NULL);
}
if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) {
// setup pal for 8-bit modes
localPal[0xc0] = 0x0600;
localPal[0xd0] = 0xc000;
localPal[0xe0] = 0x0000; // reserved pixels for OSD
localPal[0xf0] = 0xffff;
}
Pico.m.dirtyPal = 1;
memset32(giz_screen, 0, 321*240*2/4);
if (currentConfig.EmuOpt&0x8000) {
fb_unlock();
giz_screen = fb_lock(0);
memset32(giz_screen, 0, 321*240*2/4);
}
fb_unlock();
giz_screen = NULL;
}
/* forced frame to front buffer */
void pemu_forced_frame(int no_scale, int do_emu)
{
int po_old = PicoOpt;
int eo_old = currentConfig.EmuOpt;
PicoOpt &= ~0x10;
PicoOpt |= POPT_ACC_SPRITES;
if (!no_scale)
PicoOpt |= POPT_EN_SOFTSCALE;
currentConfig.EmuOpt |= 0x80;
if (giz_screen == NULL)
giz_screen = fb_lock(1);
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetCallbacks(EmuScanBegin16, NULL);
Pico.m.dirtyPal = 1;
PicoFrameDrawOnly();
fb_unlock();
giz_screen = NULL;
PicoOpt = po_old;
currentConfig.EmuOpt = eo_old;
}
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;
}
void emu_video_mode_change(int start_line, int line_count, int is_32cols)
{
int scalex = 320, scaley = 240;
int ln_offs = 0;
if (doing_bg_frame)
return;
osd_fps_x = OSD_FPS_X;
osd_y = 232;
/* set up hwscaling here */
PicoOpt &= ~POPT_DIS_32C_BORDER;
if (is_32cols && currentConfig.scaling == EOPT_SCALE_HW) {
scalex = 256;
PicoOpt |= POPT_DIS_32C_BORDER;
osd_fps_x = OSD_FPS_X - 64;
}
if (currentConfig.vscaling == EOPT_SCALE_HW) {
ln_offs = start_line;
scaley = line_count;
osd_y = start_line + line_count - 8;
}
gp2x_video_RGB_setscaling(ln_offs, scalex, scaley);
/* line doubling */
if (currentConfig.vscaling == EOPT_SCALE_SW && line_count < 240) {
ld_lines = ld_left = line_count / (240 - line_count);
PicoDrawSetCallbacks(EmuScanBegin16_ld, EmuScanEnd16_ld);
}
// clear whole screen in all buffers
if (!is_16bit_mode())
gp2x_memset_all_buffers(0, 0xe0, 320*240);
else
gp2x_memset_all_buffers(0, 0, 320*240*2);
}
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;
}
