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ui, fix for SDL emulation display if resolution != 320x240

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This commit is contained in:
kub 2021-01-31 20:14:49 +01:00
parent 8094d3362f
commit 832faed320
7 changed files with 30 additions and 15 deletions
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20
platform/linux/emu.c
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@ -81,6 +81,13 @@ static void draw_cd_leds(void)
#undef p
}
static unsigned short *get_16bit_start(unsigned short *buf)
{
// center the output on the screen
int offs = (g_screen_height-240)/2 * g_screen_ppitch + (g_screen_width-320)/2;
return buf + offs;
}
void pemu_finalize_frame(const char *fps, const char *notice)
{
if (!is_16bit_mode()) {
@ -91,11 +98,12 @@ void pemu_finalize_frame(const char *fps, const char *notice)
unsigned short *pal = Pico.est.HighPal;
int i, x;
pd = get_16bit_start(pd);
PicoDrawUpdateHighPal();
for (i = 0; i < out_h; i++, ps += 8) {
for (x = 0; x < out_w; x++)
*pd++ = pal[*ps++];
pd += 320 - out_w;
pd += g_screen_ppitch - out_w;
ps += 320 - out_w;
}
}
@ -111,7 +119,7 @@ void pemu_finalize_frame(const char *fps, const char *notice)
void plat_video_set_buffer(void *buf)
{
if (is_16bit_mode())
PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
PicoDrawSetOutBuf(get_16bit_start(buf), g_screen_ppitch * 2);
}
static void apply_renderer(void)
@ -121,7 +129,7 @@ static void apply_renderer(void)
PicoIn.opt &= ~POPT_ALT_RENDERER;
PicoIn.opt &= ~POPT_DIS_32C_BORDER;
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
PicoDrawSetOutBuf(get_16bit_start(g_screen_ptr), g_screen_ppitch * 2);
break;
case RT_8BIT_ACC:
PicoIn.opt &= ~POPT_ALT_RENDERER;
@ -137,7 +145,7 @@ static void apply_renderer(void)
}
if (PicoIn.AHW & PAHW_32X)
PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
PicoDrawSetOutBuf(get_16bit_start(g_screen_ptr), g_screen_ppitch * 2);
Pico.m.dirtyPal = 1;
}
@ -181,11 +189,13 @@ void plat_update_volume(int has_changed, int is_up)
void pemu_forced_frame(int no_scale, int do_emu)
{
unsigned short *pd = get_16bit_start(g_screen_ptr);
PicoIn.opt &= ~POPT_DIS_32C_BORDER;
PicoDrawSetCallbacks(NULL, NULL);
Pico.m.dirtyPal = 1;
emu_cmn_forced_frame(no_scale, do_emu);
emu_cmn_forced_frame(no_scale, do_emu, pd);
g_menubg_src_ptr = g_screen_ptr;
}