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pandora: use hw scaler (resolves 32x+sms), frontend refactoring

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@885 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-09-06 13:08:23 +00:00
parent 207e58ef99
commit c7eb229a3c
20 changed files with 960 additions and 596 deletions
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7
platform/pandora/Makefile
View file

@ -19,9 +19,6 @@ asm_cdmemory = 1
#profile = 1
#drc_debug = 3
no_32x = 1
no_sms = 1
-include Makefile.local
ifeq "$(use_musashi)" "1"
@ -46,7 +43,7 @@ LD = $(CROSS)ld
OBJCOPY = $(CROSS)objcopy
# frontend
OBJS += pandora.o emu.o asm_utils.o
OBJS += plat.o asm_utils.o
# common
OBJS += platform/common/emu.o platform/common/menu.o platform/common/fonts.o platform/common/config.o \
@ -96,6 +93,8 @@ readme.txt: ../../tools/textfilter ../base_readme.txt
PicoDrive.pxml: PicoDrive.pxml.template
./make_pxml.sh PicoDrive.pxml.template PicoDrive.pxml
platform/common/menu.o: menu.c
# ----------- release -----------
VER = $(shell head -n 1 version.h | sed 's/.*"\(.*\)\.\(.*\)".*/\1\2/g')

449
platform/pandora/emu.c
View file

@ -1,449 +0,0 @@
// (c) Copyright 2006-2009 notaz, All rights reserved.
// Free for non-commercial use.
// For commercial use, separate licencing terms must be obtained.
#include <stdio.h>
#include <unistd.h>
#include "../common/emu.h"
#include "../common/menu.h"
#include "../common/plat.h"
#include "../common/arm_utils.h"
#include "../linux/sndout_oss.h"
#include "../linux/fbdev.h"
#include "asm_utils.h"
#include "version.h"
#include <pico/pico_int.h>
static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
static unsigned char temp_frame[g_screen_width * g_screen_height * 2];
unsigned char *PicoDraw2FB = temp_frame;
const char *renderer_names[] = { NULL };
const char *renderer_names32x[] = { NULL };
char cpu_clk_name[] = "Max CPU clock";
enum {
SCALE_1x1,
SCALE_2x2_3x2,
SCALE_2x2_2x2,
};
static int get_cpu_clock(void)
{
FILE *f;
int ret = 0;
f = fopen("/proc/pandora/cpu_mhz_max", "r");
if (f) {
fscanf(f, "%d", &ret);
fclose(f);
}
return ret;
}
void pemu_prep_defconfig(void)
{
// XXX: move elsewhere
g_menubg_ptr = temp_frame;
defaultConfig.EmuOpt |= EOPT_VSYNC;
defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;
defaultConfig.scaling = SCALE_2x2_3x2;
}
void pemu_validate_config(void)
{
currentConfig.CPUclock = get_cpu_clock();
}
// FIXME: cleanup
static void osd_text(int x, int y, const char *text)
{
int len = strlen(text)*8;
if (0) {
int *p, i, h;
x &= ~3; // align x
len = (len+3) >> 2;
for (h = 0; h < 8; h++) {
p = (int *) ((unsigned char *) g_screen_ptr+x+g_screen_width*(y+h));
for (i = len; i; i--, p++) *p = 0xe0e0e0e0;
}
emu_text_out8(x, y, text);
} else {
int *p, i, h;
x &= ~1; // align x
len++;
for (h = 0; h < 16; h++) {
p = (int *) ((unsigned short *) g_screen_ptr+x+g_screen_width*(y+h));
for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;
}
text_out16(x, y, text);
}
}
static void draw_cd_leds(void)
{
// static
int old_reg;
// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?
old_reg = Pico_mcd->s68k_regs[0];
if (0) {
// 8-bit modes
unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;
} else {
// 16-bit modes
unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);
unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;
unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
}
}
static int emuscan_1x1(unsigned int num)
{
DrawLineDest = (unsigned short *)g_screen_ptr +
g_screen_width * g_screen_height / 2 - g_screen_width * 240 / 2 +
num*g_screen_width + g_screen_width/2 - 320/2;
return 0;
}
#define MAKE_EMUSCAN(name_, clut_name_, offs_, len_) \
static int name_(unsigned int num) \
{ \
unsigned char *ps = HighCol+8; \
unsigned short *pd, *pal = HighPal; \
int sh = Pico.video.reg[0xC] & 8; \
int mask = 0xff; \
\
pd = (unsigned short *)g_screen_ptr + num*800*2 + offs_;\
\
if (Pico.m.dirtyPal) \
PicoDoHighPal555(sh); \
\
if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI)) \
mask = 0x3f; /* upper bits are priority stuff */\
\
clut_line##clut_name_(pd, ps, pal, (mask<<16) | len_); \
\
return 0; \
}
MAKE_EMUSCAN(emuscan_2x2_40, 2x2, 800/2 - 320*2/2, 320)
MAKE_EMUSCAN(emuscan_2x2_32, 2x2, 800/2 - 256*2/2, 256)
MAKE_EMUSCAN(emuscan_3x2_32, 3x2, 800/2 - 256*3/2, 256)
#if 0 /* FIXME */
static int EmuScanEnd16_32x(unsigned int num)
{
unsigned int *ps;
unsigned int *pd;
int len;
ps = (unsigned int *)temp_frame;
pd = (unsigned int *)g_screen_ptr + (num*800*2 + 800/2 - 320*2/2) / 2;
for (len = 320/2; len > 0; len--, ps++) {
unsigned int p, p1;
p1 = *ps;
p = p1 << 16;
p |= p >> 16;
*pd = pd[800/2] = p;
pd++;
p = p1 >> 16;
p |= p << 16;
*pd = pd[800/2] = p;
pd++;
}
return 0;
}
#endif
void pemu_finalize_frame(const char *fps, const char *notice)
{
if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {
if (notice)
osd_text(4, 464, notice);
if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
osd_text(640, 464, fps);
}
if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))
draw_cd_leds();
}
void plat_video_toggle_renderer(int change, int is_menu)
{
// this will auto-select SMS/32X renderers
PicoDrawSetOutFormat(PDF_RGB555, 1);
}
void plat_video_menu_enter(int is_rom_loaded)
{
}
void plat_video_menu_begin(void)
{
memcpy32(g_screen_ptr, g_menubg_ptr, g_screen_width * g_screen_height * 2 / 4);
}
void plat_video_menu_end(void)
{
plat_video_flip();
}
void plat_status_msg_clear(void)
{
int s = g_screen_width * g_screen_height * 2;
int l = g_screen_width * 16 * 2;
int i;
for (i = 0; i < fbdev_buffer_count; i++)
memset32((int *)((char *)fbdev_buffers[i] + s - l), 0, l / 4);
}
void plat_status_msg_busy_next(const char *msg)
{
plat_status_msg_clear();
pemu_finalize_frame("", msg);
plat_video_flip();
emu_status_msg("");
reset_timing = 1;
}
void plat_status_msg_busy_first(const char *msg)
{
// memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
plat_status_msg_busy_next(msg);
}
void plat_update_volume(int has_changed, int is_up)
{
static int prev_frame = 0, wait_frames = 0;
int vol = currentConfig.volume;
if (has_changed)
{
if (is_up) {
if (vol < 99) vol++;
} else {
if (vol > 0) vol--;
}
wait_frames = 0;
sndout_oss_setvol(vol, vol);
currentConfig.volume = vol;
emu_status_msg("VOL: %02i", vol);
prev_frame = Pico.m.frame_count;
}
}
void pemu_forced_frame(int opts, int no_scale)
{
int oldscale = currentConfig.scaling;
int po_old = PicoOpt;
if (no_scale) {
currentConfig.scaling = SCALE_1x1;
emu_video_mode_change(0, 0, 0);
}
PicoOpt &= ~POPT_ALT_RENDERER;
PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites
Pico.m.dirtyPal = 1;
PicoFrameDrawOnly();
PicoOpt = po_old;
currentConfig.scaling = oldscale;
}
static void updateSound(int len)
{
unsigned int t;
len <<= 1;
if (PicoOpt & POPT_EN_STEREO)
len <<= 1;
// sndout_oss_can_write() not reliable..
if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))
return;
/* avoid writing audio when lagging behind to prevent audio lag */
if (PicoSkipFrame == 2)
return;
t = plat_get_ticks_ms();
sndout_oss_write(PsndOut, len);
t = plat_get_ticks_ms() - t;
if (t > 1)
printf("audio lag %u\n", t);
}
void pemu_sound_start(void)
{
int target_fps = Pico.m.pal ? 50 : 60;
PsndOut = NULL;
if (currentConfig.EmuOpt & EOPT_EN_SOUND)
{
int snd_excess_add, frame_samples;
int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;
PsndRerate(Pico.m.frame_count ? 1 : 0);
frame_samples = PsndLen;
snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;
if (snd_excess_add != 0)
frame_samples++;
printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",
PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);
sndout_oss_start(PsndRate, frame_samples * 2, is_stereo);
//sndout_oss_setvol(currentConfig.volume, currentConfig.volume);
PicoWriteSound = updateSound;
plat_update_volume(0, 0);
memset(sndBuffer, 0, sizeof(sndBuffer));
PsndOut = sndBuffer;
}
}
void pemu_sound_stop(void)
{
sndout_oss_stop();
}
void pemu_sound_wait(void)
{
// don't need to do anything, writes will block by themselves
}
void plat_debug_cat(char *str)
{
}
void emu_video_mode_change(int start_line, int line_count, int is_32cols)
{
int i;
// clear whole screen in all buffers
for (i = 0; i < fbdev_buffer_count; i++)
memset32(fbdev_buffers[i], 0, g_screen_width * g_screen_height * 2 / 4);
PicoScanBegin = NULL;
PicoScanEnd = NULL;
#if 0
if (PicoAHW & PAHW_32X) {
/* FIXME */
DrawLineDest = (unsigned short *)temp_frame;
PicoDrawSetOutFormat(PDF_RGB555, 1);
PicoScanEnd = EmuScanEnd16_32x;
} else
#endif
{
switch (currentConfig.scaling) {
case SCALE_1x1:
PicoDrawSetOutFormat(PDF_RGB555, 1);
PicoScanBegin = emuscan_1x1;
break;
case SCALE_2x2_3x2:
PicoDrawSetOutFormat(PDF_NONE, 0);
PicoScanEnd = is_32cols ? emuscan_3x2_32 : emuscan_2x2_40;
break;
case SCALE_2x2_2x2:
PicoDrawSetOutFormat(PDF_NONE, 0);
PicoScanEnd = is_32cols ? emuscan_2x2_32 : emuscan_2x2_40;
break;
}
}
}
void pemu_loop_prep(void)
{
if (currentConfig.CPUclock != get_cpu_clock()) {
char buf[64];
snprintf(buf, sizeof(buf), "sudo /usr/pandora/scripts/op_cpuspeed.sh %d",
currentConfig.CPUclock);
system(buf);
}
pemu_sound_start();
}
void pemu_loop_end(void)
{
int po_old = PicoOpt;
int eo_old = currentConfig.EmuOpt;
pemu_sound_stop();
memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
/* do one more frame for menu bg */
PicoOpt &= ~POPT_ALT_RENDERER;
PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;
currentConfig.EmuOpt |= EOPT_16BPP;
PicoDrawSetOutFormat(PDF_RGB555, 1);
Pico.m.dirtyPal = 1;
PicoFrame();
PicoOpt = po_old;
currentConfig.EmuOpt = eo_old;
}
void plat_wait_till_us(unsigned int us_to)
{
unsigned int now;
signed int diff;
now = plat_get_ticks_us();
// XXX: need to check NOHZ
diff = (signed int)(us_to - now);
if (diff > 10000) {
//printf("sleep %d\n", us_to - now);
usleep(diff * 15 / 16);
now = plat_get_ticks_us();
//printf(" wake %d\n", (signed)(us_to - now));
}
/*
while ((signed int)(us_to - now) > 512) {
spend_cycles(1024);
now = plat_get_ticks_us();
}
*/
}
const char *plat_get_credits(void)
{
return "PicoDrive v" VERSION " (c) notaz, 2006-2010\n\n\n"
"Credits:\n"
"fDave: Cyclone 68000 core,\n"
" base code of PicoDrive\n"
"Reesy & FluBBa: DrZ80 core\n"
"MAME devs: YM2612 and SN76496 cores\n"
"Pandora team: Pandora\n"
"Inder, ketchupgun: graphics\n"
"\n"
"special thanks (for docs, ideas):\n"
" Charles MacDonald, Haze,\n"
" Stephane Dallongeville,\n"
" Lordus, Exophase, Rokas,\n"
" Nemesis, Tasco Deluxe";
}

135
platform/pandora/menu.c
View file

@ -1,14 +1,143 @@
static const char *men_scaler[] = { "1x1, 1x1", "2x2, 3x2", "2x2, 2x2", NULL };
#include "plat.h"
static const char *men_scaler[] = { "1x1, 1x1", "2x2, 3x2", "2x2, 2x2", "fullscreen", "custom", NULL };
static const char h_scaler[] = "Scalers for 40 and 32 column modes\n"
"(320 and 256 pixel wide horizontal)";
static const char h_cscaler[] = "Displays the scaler layer, you can resize it\n"
"using d-pad or move it using R+d-pad";
static const char *men_dummy[] = { NULL };
char **pnd_filter_list;
int g_layer_cx = 80, g_layer_cy = 0;
int g_layer_cw = 640, g_layer_ch = 480;
static int menu_loop_cscaler(menu_id id, int keys)
{
unsigned int inp;
currentConfig.scaling = SCALE_CUSTOM;
pnd_setup_layer(1, g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch);
pnd_restore_layer_data();
for (;;)
{
plat_video_menu_begin();
memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
text_out16(2, 480 - 18, "%dx%d | d-pad to resize, R+d-pad to move", g_layer_cw, g_layer_ch);
plat_video_menu_end();
inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT|PBTN_R|PBTN_MOK|PBTN_MBACK, 40);
if (inp & PBTN_UP) g_layer_cy--;
if (inp & PBTN_DOWN) g_layer_cy++;
if (inp & PBTN_LEFT) g_layer_cx--;
if (inp & PBTN_RIGHT) g_layer_cx++;
if (!(inp & PBTN_R)) {
if (inp & PBTN_UP) g_layer_ch += 2;
if (inp & PBTN_DOWN) g_layer_ch -= 2;
if (inp & PBTN_LEFT) g_layer_cw += 2;
if (inp & PBTN_RIGHT) g_layer_cw -= 2;
}
if (inp & (PBTN_MOK|PBTN_MBACK))
break;
if (inp & (PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT)) {
if (g_layer_cx < 0) g_layer_cx = 0;
if (g_layer_cx > 640) g_layer_cx = 640;
if (g_layer_cy < 0) g_layer_cy = 0;
if (g_layer_cy > 420) g_layer_cy = 420;
if (g_layer_cw < 160) g_layer_cw = 160;
if (g_layer_ch < 60) g_layer_ch = 60;
if (g_layer_cx + g_layer_cw > 800)
g_layer_cw = 800 - g_layer_cx;
if (g_layer_cy + g_layer_ch > 480)
g_layer_ch = 480 - g_layer_cy;
pnd_setup_layer(1, g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch);
}
}
pnd_setup_layer(0, g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch);
return 0;
}
#define MENU_OPTIONS_GFX \
mee_onoff ("Vsync", MA_OPT2_VSYNC, currentConfig.EmuOpt, EOPT_VSYNC), \
mee_enum_h ("Scaler", MA_OPT_SCALING, currentConfig.scaling, \
men_scaler, h_scaler),
men_scaler, h_scaler), \
mee_enum ("Filter", MA_OPT3_FILTERING, currentConfig.filter, men_dummy), \
mee_onoff ("Vsync", MA_OPT2_VSYNC, currentConfig.EmuOpt, EOPT_VSYNC), \
mee_cust_h ("Setup custom scaler", MA_NONE, menu_loop_cscaler, NULL, h_cscaler), \
mee_range_hide("layer_x", MA_OPT3_LAYER_X, g_layer_cx, 0, 640), \
mee_range_hide("layer_y", MA_OPT3_LAYER_Y, g_layer_cy, 0, 420), \
mee_range_hide("layer_w", MA_OPT3_LAYER_W, g_layer_cw, 160, 800), \
mee_range_hide("layer_h", MA_OPT3_LAYER_H, g_layer_ch, 60, 480), \
#define MENU_OPTIONS_ADV \
mee_onoff ("SVP dynarec", MA_OPT2_SVP_DYNAREC, PicoOpt, POPT_EN_SVP_DRC), \
mee_onoff ("Status line in main menu", MA_OPT2_STATUS_LINE, currentConfig.EmuOpt, EOPT_SHOW_RTC),
#define menu_main_plat_draw NULL
#include <dirent.h>
#include <errno.h>
static menu_entry e_menu_gfx_options[];
void pnd_menu_init(void)
{
struct dirent *ent;
int i, count = 0;
char **mfilters;
char buff[64];
DIR *dir;
dir = opendir("/etc/pandora/conf/dss_fir");
if (dir == NULL) {
perror("filter opendir");
return;
}
while (1) {
errno = 0;
ent = readdir(dir);
if (ent == NULL) {
if (errno != 0)
perror("readdir");
break;
}
if (strstr(ent->d_name, "_up_h"))
count++;
}
if (count == 0)
return;
mfilters = calloc(count + 1, sizeof(mfilters[0]));
if (mfilters == NULL)
return;
rewinddir(dir);
for (i = 0; (ent = readdir(dir)); ) {
char *pos;
size_t len;
pos = strstr(ent->d_name, "_up_h");
if (pos == NULL)
continue;
len = pos - ent->d_name;
if (len > sizeof(buff) - 1)
continue;
strncpy(buff, ent->d_name, len);
buff[len] = 0;
mfilters[i] = strdup(buff);
if (mfilters[i] != NULL)
i++;
}
closedir(dir);
i = me_id2offset(e_menu_gfx_options, MA_OPT3_FILTERING);
e_menu_gfx_options[i].data = (void *)mfilters;
pnd_filter_list = mfilters;
}

54
platform/pandora/pandora.c
View file

@ -1,54 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "../linux/sndout_oss.h"
#include "../linux/fbdev.h"
#include "../linux/oshide.h"
#include "../common/emu.h"
void plat_early_init(void)
{
}
void plat_init(void)
{
int ret, w, h;
oshide_init();
ret = vout_fbdev_init(&w, &h);
if (ret != 0) {
fprintf(stderr, "couldn't init framebuffer\n");
exit(1);
}
if (w != g_screen_width || h != g_screen_height) {
fprintf(stderr, "%dx%d not supported\n", w, h);
vout_fbdev_finish();
exit(1);
}
// snd
sndout_oss_init();
}
void plat_finish(void)
{
sndout_oss_exit();
vout_fbdev_finish();
oshide_finish();
printf("all done\n");
}
/* lprintf */
void lprintf(const char *fmt, ...)
{
va_list vl;
va_start(vl, fmt);
vprintf(fmt, vl);
va_end(vl);
}

37
platform/pandora/picorestore.c
View file

@ -5,6 +5,7 @@
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <linux/omapfb.h>
#include <linux/kd.h>
int main()
@ -14,14 +15,14 @@ int main()
fbdev = open("/dev/fb0", O_RDWR);
if (fbdev == -1) {
perror("open");
return 1;
perror("open fb0");
goto end_fb0;
}
ret = ioctl(fbdev, FBIOGET_VSCREENINFO, &fbvar);
if (ret == -1) {
perror("FBIOGET_VSCREENINFO ioctl");
goto end_fb;
goto end_fb0;
}
if (fbvar.yoffset != 0) {
@ -34,8 +35,34 @@ int main()
printf("ok\n");
}
end_fb:
close(fbdev);
end_fb0:
if (fbdev >= 0)
close(fbdev);
fbdev = open("/dev/fb1", O_RDWR);
if (fbdev == -1) {
perror("open fb1");
goto end_fb1;
}
ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
ret |= ioctl(fd, OMAPFB_QUERY_MEM, &mi);
if (ret != 0)
perror("QUERY_*");
pi.enabled = 0;
ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
if (ret != 0)
perror("SETUP_PLANE");
mi.size = 0;
ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
if (ret != 0)
perror("SETUP_MEM");
end_fb1:
if (fbdev >= 0)
close(fbdev);
kbdfd = open("/dev/tty", O_RDWR);
if (kbdfd == -1) {

646
platform/pandora/plat.c Normal file
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// (c) Copyright 2006-2009 notaz, All rights reserved.
// Free for non-commercial use.
// For commercial use, separate licencing terms must be obtained.
#include <stdio.h>
#include <unistd.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/fb.h>
#include <linux/omapfb.h>
#include "../common/emu.h"
#include "../common/menu.h"
#include "../common/plat.h"
#include "../common/arm_utils.h"
#include "../linux/sndout_oss.h"
#include "../linux/fbdev.h"
#include "plat.h"
#include "asm_utils.h"
#include "version.h"
#include <pico/pico_int.h>
static struct vout_fbdev *main_fb, *layer_fb;
static int g_layer_x, g_layer_y;
static int g_layer_w = 320, g_layer_h = 240;
static int g_osd_fps_x, g_osd_y;
static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";
static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
static unsigned char __attribute__((aligned(4))) temp_frame[g_menuscreen_w * g_menuscreen_h * 2];
static unsigned char __attribute__((aligned(4))) fb_copy[g_screen_width * g_screen_height * 2];
unsigned char *PicoDraw2FB = temp_frame;
const char *renderer_names[] = { NULL };
const char *renderer_names32x[] = { NULL };
char cpu_clk_name[] = "Max CPU clock";
static int get_cpu_clock(void)
{
FILE *f;
int ret = 0;
f = fopen("/proc/pandora/cpu_mhz_max", "r");
if (f) {
fscanf(f, "%d", &ret);
fclose(f);
}
return ret;
}
void pemu_prep_defconfig(void)
{
defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;
defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;
defaultConfig.scaling = SCALE_2x2_3x2;
}
void pemu_validate_config(void)
{
currentConfig.CPUclock = get_cpu_clock();
}
static void osd_text(int x, int y, const char *text)
{
int len = strlen(text)*8;
int i, h;
len++;
for (h = 0; h < 8; h++) {
unsigned short *p;
p = (unsigned short *)g_screen_ptr + x + g_screen_width*(y + h);
for (i = len; i; i--, p++)
*p = (*p>>2) & 0x39e7;
}
emu_text_out16(x, y, text);
}
static void draw_cd_leds(void)
{
int old_reg;
old_reg = Pico_mcd->s68k_regs[0];
if (0) {
// 8-bit modes
unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =
*(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;
} else {
// 16-bit modes
unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);
unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;
unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
}
}
static int emuscan(unsigned int num)
{
DrawLineDest = (unsigned short *)g_screen_ptr + num * g_screen_width;
return 0;
}
void pemu_finalize_frame(const char *fps, const char *notice)
{
if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {
if (notice)
osd_text(2, g_osd_y, notice);
if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
osd_text(g_osd_fps_x, g_osd_y, fps);
}
if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))
draw_cd_leds();
}
void plat_video_flip(void)
{
g_screen_ptr = vout_fbdev_flip(layer_fb);
}
void plat_video_toggle_renderer(int change, int is_menu)
{
}
void plat_video_menu_enter(int is_rom_loaded)
{
}
void plat_video_menu_begin(void)
{
memcpy32(g_menuscreen_ptr, g_menubg_ptr, g_menuscreen_w * g_menuscreen_h * 2 / 4);
}
void plat_video_menu_end(void)
{
g_menuscreen_ptr = vout_fbdev_flip(main_fb);
}
void plat_video_wait_vsync(void)
{
vout_fbdev_wait_vsync(main_fb);
}
void plat_status_msg_clear(void)
{
vout_fbdev_clear_lines(layer_fb, g_screen_height - 8, 8);
}
void plat_status_msg_busy_next(const char *msg)
{
plat_status_msg_clear();
pemu_finalize_frame("", msg);
plat_video_flip();
emu_status_msg("");
reset_timing = 1;
}
void plat_status_msg_busy_first(const char *msg)
{
plat_status_msg_busy_next(msg);
}
void plat_update_volume(int has_changed, int is_up)
{
static int prev_frame = 0, wait_frames = 0;
int vol = currentConfig.volume;
if (has_changed)
{
if (is_up) {
if (vol < 99) vol++;
} else {
if (vol > 0) vol--;
}
wait_frames = 0;
sndout_oss_setvol(vol, vol);
currentConfig.volume = vol;
emu_status_msg("VOL: %02i", vol);
prev_frame = Pico.m.frame_count;
}
}
void pemu_forced_frame(int opts, int no_scale)
{
int oldscale = currentConfig.scaling;
int po_old = PicoOpt;
if (no_scale) {
currentConfig.scaling = SCALE_1x1;
emu_video_mode_change(8, 224, 0);
}
PicoOpt |= opts|POPT_ACC_SPRITES;
Pico.m.dirtyPal = 1;
PicoFrameDrawOnly();
PicoOpt = po_old;
currentConfig.scaling = oldscale;
}
static void updateSound(int len)
{
unsigned int t;
len <<= 1;
if (PicoOpt & POPT_EN_STEREO)
len <<= 1;
// sndout_oss_can_write() not reliable..
if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))
return;
/* avoid writing audio when lagging behind to prevent audio lag */
if (PicoSkipFrame == 2)
return;
t = plat_get_ticks_ms();
sndout_oss_write(PsndOut, len);
t = plat_get_ticks_ms() - t;
if (t > 1)
printf("audio lag %u\n", t);
}
void pemu_sound_start(void)
{
int target_fps = Pico.m.pal ? 50 : 60;
PsndOut = NULL;
if (currentConfig.EmuOpt & EOPT_EN_SOUND)
{
int snd_excess_add, frame_samples;
int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;
PsndRerate(Pico.m.frame_count ? 1 : 0);
frame_samples = PsndLen;
snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;
if (snd_excess_add != 0)
frame_samples++;
/*
* for 44k stereo, we do 1470 samples/frame
* OMAP driver does power of 2 buffers, so we need at least 4K buffer.
* The most we can lag is 1K samples, size of OMAP's McBSP FIFO,
* with 2K sample buffer we might sometimes lag more than that,
* thus causing underflows.
*/
printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",
PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);
sndout_oss_start(PsndRate, frame_samples * 2, is_stereo);
//sndout_oss_setvol(currentConfig.volume, currentConfig.volume);
PicoWriteSound = updateSound;
plat_update_volume(0, 0);
memset(sndBuffer, 0, sizeof(sndBuffer));
PsndOut = sndBuffer;
}
}
void pemu_sound_stop(void)
{
sndout_oss_stop();
}
void pemu_sound_wait(void)
{
// don't need to do anything, writes will block by themselves
}
void plat_debug_cat(char *str)
{
}
static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)
{
struct omapfb_plane_info pi;
struct omapfb_mem_info mi;
int ret;
ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
if (ret != 0) {
perror("QUERY_PLANE");
return -1;
}
ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
if (ret != 0) {
perror("QUERY_MEM");
return -1;
}
/* must disable when changing stuff */
if (pi.enabled) {
pi.enabled = 0;
ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
if (ret != 0)
perror("SETUP_PLANE");
}
mi.size = 320*240*2*4;
ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
if (ret != 0) {
perror("SETUP_MEM");
return -1;
}
pi.pos_x = x;
pi.pos_y = y;
pi.out_width = w;
pi.out_height = h;
pi.enabled = enabled;
ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
if (ret != 0) {
perror("SETUP_PLANE");
return -1;
}
return 0;
}
int pnd_setup_layer(int enabled, int x, int y, int w, int h)
{
return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);
}
void pnd_restore_layer_data(void)
{
short *t = ((short *)fb_copy)[320*240 / 2 + 160];
// right now this is used by menu, which wants to preview something
// so try to get something on the layer.
if ((t[0] | t[5] | t[13]) == 0)
memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);
memcpy32(g_screen_ptr, (void *)fb_copy, 320*240*2 / 4);
plat_video_flip();
}
static void apply_filter(int which)
{
char buf[128];
int i;
if (pnd_filter_list == NULL)
return;
for (i = 0; i < which; i++)
if (pnd_filter_list[i] == NULL)
return;
if (pnd_filter_list[i] == NULL)
return;
snprintf(buf, sizeof(buf), "%s/op_videofir.sh %s", pnd_script_base, pnd_filter_list[i]);
system(buf);
}
void emu_video_mode_change(int start_line, int line_count, int is_32cols)
{
int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;
PicoScanBegin = emuscan;
PicoScanEnd = NULL;
PicoDrawSetOutFormat(PDF_RGB555, 1);
if (is_32cols) {
fb_w = 256;
fb_left = fb_right = 32;
}
switch (currentConfig.scaling) {
case SCALE_1x1:
g_layer_w = fb_w;
g_layer_h = fb_h;
break;
case SCALE_2x2_3x2:
g_layer_w = fb_w * (is_32cols ? 3 : 2);
g_layer_h = fb_h * 2;
break;
case SCALE_2x2_2x2:
g_layer_w = fb_w * 2;
g_layer_h = fb_h * 2;
break;
case SCALE_FULLSCREEN:
g_layer_w = 800;
g_layer_h = 480;
break;
case SCALE_CUSTOM:
g_layer_x = g_layer_cx;
g_layer_y = g_layer_cy;
g_layer_w = g_layer_cw;
g_layer_h = g_layer_ch;
break;
}
if (currentConfig.scaling != SCALE_CUSTOM) {
// center the layer
g_layer_x = 800 / 2 - g_layer_w / 2;
g_layer_y = 480 / 2 - g_layer_h / 2;
}
switch (currentConfig.scaling) {
case SCALE_FULLSCREEN:
case SCALE_CUSTOM:
fb_top = start_line;
fb_h = line_count;
break;
}
g_osd_fps_x = is_32cols ? 232 : 264;
g_osd_y = fb_top + fb_h - 8;
pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
vout_fbdev_resize(layer_fb, fb_w, fb_h, fb_left, fb_right, fb_top, fb_bottom, 0);
vout_fbdev_clear(layer_fb);
}
static void make_bg(void)
{
unsigned short *s = (void *)fb_copy;
unsigned int t, *d = (unsigned int *)g_menubg_src_ptr + 80 / 2;
int x, y;
memset32(g_menubg_src_ptr, 0, 800 * 480 * 2 / 4);
for (y = 0; y < 240; y++, s += 320, d += 800*2/2) {
for (x = 0; x < 320; x++) {
t = s[x];
t |= t << 16;
d[x] = d[x + 800 / 2] = t;
}
}
}
void pemu_loop_prep(void)
{
static int pal_old = -1;
static int filter_old = -1;
char buf[128];
if (currentConfig.CPUclock != get_cpu_clock()) {
snprintf(buf, sizeof(buf), "unset DISPLAY; echo y | %s/op_cpuspeed.sh %d",
pnd_script_base, currentConfig.CPUclock);
system(buf);
}
if (Pico.m.pal != pal_old) {
snprintf(buf, sizeof(buf), "%s/op_lcdrate.sh %d",
pnd_script_base, Pico.m.pal ? 50 : 60);
system(buf);
pal_old = Pico.m.pal;
}
if (currentConfig.filter != filter_old) {
apply_filter(currentConfig.filter);
filter_old = currentConfig.filter;
}
// make sure there is no junk left behind the layer
memset32(g_menuscreen_ptr, 0, 800 * 480 * 2 / 4);
g_menuscreen_ptr = vout_fbdev_flip(main_fb);
// emu_video_mode_change will call pnd_setup_layer()
// dirty buffers better go now than during gameplay
sync();
sleep(0);
pemu_sound_start();
}
void pemu_loop_end(void)
{
int po_old = PicoOpt;
int eo_old = currentConfig.EmuOpt;
pemu_sound_stop();
memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
/* do one more frame for menu bg */
PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;
currentConfig.EmuOpt |= EOPT_16BPP;
PicoDrawSetOutFormat(PDF_RGB555, 1);
Pico.m.dirtyPal = 1;
PicoFrame();
// making a copy because enabling the layer clears it's mem
memcpy32((void *)fb_copy, g_screen_ptr, sizeof(fb_copy) / 4);
make_bg();
pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
PicoOpt = po_old;
currentConfig.EmuOpt = eo_old;
}
void plat_wait_till_us(unsigned int us_to)
{
unsigned int now;
signed int diff;
now = plat_get_ticks_us();
// XXX: need to check NOHZ
diff = (signed int)(us_to - now);
if (diff > 10000) {
//printf("sleep %d\n", us_to - now);
usleep(diff * 15 / 16);
now = plat_get_ticks_us();
//printf(" wake %d\n", (signed)(us_to - now));
}
/*
while ((signed int)(us_to - now) > 512) {
spend_cycles(1024);
now = plat_get_ticks_us();
}
*/
}
const char *plat_get_credits(void)
{
return "PicoDrive v" VERSION " (c) notaz, 2006-2010\n\n\n"
"Credits:\n"
"fDave: Cyclone 68000 core,\n"
" base code of PicoDrive\n"
"Reesy & FluBBa: DrZ80 core\n"
"MAME devs: YM2612 and SN76496 cores\n"
"Pandora team: Pandora\n"
"Inder, ketchupgun: graphics\n"
"\n"
"special thanks (for docs, ideas):\n"
" Charles MacDonald, Haze,\n"
" Stephane Dallongeville,\n"
" Lordus, Exophase, Rokas,\n"
" Nemesis, Tasco Deluxe";
}
#include "../linux/oshide.h"
void plat_early_init(void)
{
}
void plat_init(void)
{
const char *main_fb_name, *layer_fb_name;
int fd, ret, w, h;
main_fb_name = getenv("FBDEV_MAIN");
if (main_fb_name == NULL)
main_fb_name = "/dev/fb0";
layer_fb_name = getenv("FBDEV_LAYER");
if (layer_fb_name == NULL)
layer_fb_name = "/dev/fb1";
// must set the layer up first to be able to use it
fd = open(layer_fb_name, O_RDWR);
if (fd == -1) {
fprintf(stderr, "%s: ", layer_fb_name);
perror("open");
exit(1);
}
ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
close(fd);
if (ret != 0) {
fprintf(stderr, "failed to set up layer, exiting.\n");
exit(1);
}
oshide_init();
w = h = 0;
main_fb = vout_fbdev_init(main_fb_name, &w, &h, 0);
if (main_fb == NULL) {
fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);
exit(1);
}
if (w != g_menuscreen_w || h != g_menuscreen_h) {
fprintf(stderr, "%dx%d not supported on %s\n", w, h, main_fb_name);
goto fail0;
}
g_menuscreen_ptr = vout_fbdev_flip(main_fb);
w = 320; h = 240;
layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 0);
if (layer_fb == NULL) {
fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);
goto fail0;
}
if (w != g_screen_width || h != g_screen_height) {
fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);
goto fail1;
}
g_screen_ptr = vout_fbdev_flip(layer_fb);
g_menubg_ptr = temp_frame;
g_menubg_src_ptr = temp_frame;
sndout_oss_init();
pnd_menu_init();
return;
fail1:
vout_fbdev_finish(layer_fb);
fail0:
vout_fbdev_finish(main_fb);
exit(1);
}
void plat_finish(void)
{
sndout_oss_exit();
vout_fbdev_finish(main_fb);
oshide_finish();
printf("all done\n");
}
/* lprintf */
void lprintf(const char *fmt, ...)
{
va_list vl;
va_start(vl, fmt);
vprintf(fmt, vl);
va_end(vl);
}

17
platform/pandora/plat.h Normal file
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extern char **pnd_filter_list;
extern int g_layer_cx, g_layer_cy;
extern int g_layer_cw, g_layer_ch;
void pnd_menu_init(void);
int pnd_setup_layer(int enabled, int x, int y, int w, int h);
void pnd_restore_layer_data(void);
enum {
SCALE_1x1,
SCALE_2x2_3x2,
SCALE_2x2_2x2,
SCALE_FULLSCREEN,
SCALE_CUSTOM,
};

6
platform/pandora/port_config.h
View file

@ -8,8 +8,10 @@
#define REDUCE_IO_CALLS 0
#define SCREEN_SIZE_FIXED 1
#define SCREEN_WIDTH 800
#define SCREEN_HEIGHT 480
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 240
#define MSCREEN_WIDTH 800
#define MSCREEN_HEIGHT 480
// draw2.c
#define START_ROW 0 // which row of tiles to start rendering at?