mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-28 18:50:29 +00:00
478 lines
10 KiB
C
478 lines
10 KiB
C
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
|
|
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
|
|
*
|
|
* Some code herein may be based on code found in BSNES.
|
|
*
|
|
* SSNES is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with SSNES.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#ifndef __SSNES_GENERAL_H
|
|
#define __SSNES_GENERAL_H
|
|
|
|
#include "boolean.h"
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <limits.h>
|
|
#include <setjmp.h>
|
|
#include "driver.h"
|
|
#include "record/ffemu.h"
|
|
#include "message.h"
|
|
#include "rewind.h"
|
|
#include "movie.h"
|
|
#include "autosave.h"
|
|
#include "dynamic.h"
|
|
#include "cheats.h"
|
|
#include "audio/ext/ssnes_dsp.h"
|
|
#include "strl.h"
|
|
|
|
#ifdef __CELLOS_LV2__
|
|
#include <sys/timer.h>
|
|
#endif
|
|
|
|
#ifdef XENON
|
|
#include <time/time.h>
|
|
#endif
|
|
|
|
#if defined(XENON) || defined(__CELLOS_LV2__)
|
|
#undef PATH_MAX
|
|
#define PATH_MAX 4096
|
|
#endif
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_NETPLAY
|
|
#include "netplay.h"
|
|
#endif
|
|
|
|
#include "audio/hermite.h"
|
|
|
|
#if defined(_WIN32) && !defined(_XBOX)
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include "msvc/msvc_compat.h"
|
|
#elif defined(_XBOX)
|
|
#include <xtl.h>
|
|
#include "360/msvc_compat.h"
|
|
#endif
|
|
|
|
#define MAX_PLAYERS 5
|
|
#define MAX_BINDS (SSNES_BIND_LIST_END + 1)
|
|
#define SSNES_NO_JOYPAD 0xFFFF
|
|
|
|
enum ssnes_shader_type
|
|
{
|
|
SSNES_SHADER_CG,
|
|
SSNES_SHADER_BSNES,
|
|
SSNES_SHADER_AUTO,
|
|
SSNES_SHADER_NONE
|
|
};
|
|
|
|
// All config related settings go here.
|
|
struct settings
|
|
{
|
|
struct
|
|
{
|
|
char driver[32];
|
|
float xscale;
|
|
float yscale;
|
|
bool fullscreen;
|
|
unsigned fullscreen_x;
|
|
unsigned fullscreen_y;
|
|
bool vsync;
|
|
bool smooth;
|
|
bool force_aspect;
|
|
bool crop_overscan;
|
|
float aspect_ratio;
|
|
char cg_shader_path[PATH_MAX];
|
|
char bsnes_shader_path[PATH_MAX];
|
|
char filter_path[PATH_MAX];
|
|
enum ssnes_shader_type shader_type;
|
|
float refresh_rate;
|
|
|
|
bool render_to_texture;
|
|
float fbo_scale_x;
|
|
float fbo_scale_y;
|
|
char second_pass_shader[PATH_MAX];
|
|
bool second_pass_smooth;
|
|
char shader_dir[PATH_MAX];
|
|
|
|
char font_path[PATH_MAX];
|
|
unsigned font_size;
|
|
bool font_enable;
|
|
bool font_scale;
|
|
float msg_pos_x;
|
|
float msg_pos_y;
|
|
float msg_color_r;
|
|
float msg_color_g;
|
|
float msg_color_b;
|
|
|
|
bool force_16bit;
|
|
bool disable_composition;
|
|
|
|
bool hires_record;
|
|
bool post_filter_record;
|
|
|
|
char external_driver[PATH_MAX];
|
|
} video;
|
|
|
|
struct
|
|
{
|
|
char driver[32];
|
|
bool enable;
|
|
unsigned out_rate;
|
|
float in_rate;
|
|
float rate_step;
|
|
char device[PATH_MAX];
|
|
unsigned latency;
|
|
bool sync;
|
|
|
|
char dsp_plugin[PATH_MAX];
|
|
char external_driver[PATH_MAX];
|
|
} audio;
|
|
|
|
struct
|
|
{
|
|
char driver[32];
|
|
struct snes_keybind binds[MAX_PLAYERS][MAX_BINDS];
|
|
float axis_threshold;
|
|
unsigned joypad_map[MAX_PLAYERS];
|
|
bool netplay_client_swap_input;
|
|
} input;
|
|
|
|
char libsnes[PATH_MAX];
|
|
char cheat_database[PATH_MAX];
|
|
char cheat_settings_path[PATH_MAX];
|
|
|
|
char screenshot_directory[PATH_MAX];
|
|
|
|
bool rewind_enable;
|
|
size_t rewind_buffer_size;
|
|
unsigned rewind_granularity;
|
|
|
|
bool pause_nonactive;
|
|
unsigned autosave_interval;
|
|
|
|
bool block_sram_overwrite;
|
|
bool savestate_auto_index;
|
|
};
|
|
|
|
// Settings and/or global state that is specific to a console-style implementation.
|
|
#ifdef SSNES_CONSOLE
|
|
struct console_settings
|
|
{
|
|
bool block_config_read;
|
|
bool return_to_multiman_enable;
|
|
uint32_t *supported_resolutions;
|
|
uint32_t supported_resolutions_count;
|
|
uint32_t current_resolution_index;
|
|
uint32_t current_resolution_id;
|
|
uint32_t initial_resolution_id;
|
|
bool screenshots_enable;
|
|
bool in_game_menu;
|
|
char rom_path[PATH_MAX];
|
|
};
|
|
#endif
|
|
|
|
enum ssnes_game_type
|
|
{
|
|
SSNES_CART_NORMAL = 0,
|
|
SSNES_CART_SGB,
|
|
SSNES_CART_BSX,
|
|
SSNES_CART_BSX_SLOTTED,
|
|
SSNES_CART_SUFAMI
|
|
};
|
|
|
|
|
|
// All run-time- / command line flag-related globals go here.
|
|
struct global
|
|
{
|
|
bool verbose;
|
|
bool audio_active;
|
|
bool video_active;
|
|
bool force_fullscreen;
|
|
|
|
bool has_mouse[2];
|
|
bool has_scope[2];
|
|
bool has_justifier;
|
|
bool has_justifiers;
|
|
bool has_multitap;
|
|
bool disconnect_device[2];
|
|
|
|
FILE *rom_file;
|
|
enum ssnes_game_type game_type;
|
|
uint32_t cart_crc;
|
|
|
|
char gb_rom_path[PATH_MAX];
|
|
char bsx_rom_path[PATH_MAX];
|
|
char sufami_rom_path[2][PATH_MAX];
|
|
bool has_set_save_path;
|
|
bool has_set_state_path;
|
|
|
|
#ifdef HAVE_CONFIGFILE
|
|
char config_path[PATH_MAX];
|
|
#endif
|
|
|
|
char basename[PATH_MAX];
|
|
char savefile_name_srm[PATH_MAX];
|
|
char savefile_name_rtc[PATH_MAX]; // Make sure that fill_pathname has space.
|
|
char savefile_name_psrm[PATH_MAX];
|
|
char savefile_name_asrm[PATH_MAX];
|
|
char savefile_name_bsrm[PATH_MAX];
|
|
char savestate_name[PATH_MAX];
|
|
char xml_name[PATH_MAX];
|
|
|
|
bool ups_pref;
|
|
bool bps_pref;
|
|
char ups_name[PATH_MAX];
|
|
char bps_name[PATH_MAX];
|
|
|
|
unsigned state_slot;
|
|
|
|
struct
|
|
{
|
|
struct snes_geometry geom;
|
|
unsigned pitch; // If 0, has classic libsnes semantics.
|
|
char fullpath[PATH_MAX];
|
|
struct snes_system_timing timing;
|
|
bool timing_set;
|
|
bool need_fullpath;
|
|
} system;
|
|
|
|
struct
|
|
{
|
|
hermite_resampler_t *source;
|
|
|
|
float *data;
|
|
size_t data_ptr;
|
|
size_t chunk_size;
|
|
size_t nonblock_chunk_size;
|
|
size_t block_chunk_size;
|
|
|
|
double src_ratio;
|
|
|
|
bool use_float;
|
|
bool mute;
|
|
|
|
float *outsamples;
|
|
int16_t *conv_outsamples;
|
|
|
|
int16_t *rewind_buf;
|
|
size_t rewind_ptr;
|
|
size_t rewind_size;
|
|
|
|
dylib_t dsp_lib;
|
|
const ssnes_dsp_plugin_t *dsp_plugin;
|
|
void *dsp_handle;
|
|
} audio_data;
|
|
|
|
struct
|
|
{
|
|
bool active;
|
|
uint32_t *buffer;
|
|
uint32_t *colormap;
|
|
unsigned pitch;
|
|
dylib_t lib;
|
|
unsigned scale;
|
|
|
|
void (*psize)(unsigned *width, unsigned *height);
|
|
void (*prender)(uint32_t *colormap, uint32_t *output, unsigned outpitch,
|
|
const uint16_t *input, unsigned pitch, unsigned width, unsigned height);
|
|
} filter;
|
|
|
|
msg_queue_t *msg_queue;
|
|
|
|
// Rewind support.
|
|
state_manager_t *state_manager;
|
|
void *state_buf;
|
|
size_t state_size;
|
|
bool frame_is_reverse;
|
|
|
|
// Movie playback/recording support.
|
|
struct
|
|
{
|
|
bsv_movie_t *movie;
|
|
char movie_path[PATH_MAX];
|
|
bool movie_playback;
|
|
|
|
// Immediate playback/recording.
|
|
char movie_start_path[PATH_MAX];
|
|
bool movie_start_recording;
|
|
bool movie_start_playback;
|
|
bool movie_end;
|
|
} bsv;
|
|
|
|
bool sram_load_disable;
|
|
bool sram_save_disable;
|
|
bool use_sram;
|
|
|
|
// Pausing support
|
|
bool is_paused;
|
|
bool is_oneshot;
|
|
|
|
// Autosave support.
|
|
autosave_t *autosave[2];
|
|
|
|
// Netplay.
|
|
#ifdef HAVE_NETPLAY
|
|
netplay_t *netplay;
|
|
char netplay_server[PATH_MAX];
|
|
bool netplay_enable;
|
|
bool netplay_is_client;
|
|
bool netplay_is_spectate;
|
|
unsigned netplay_sync_frames;
|
|
uint16_t netplay_port;
|
|
char netplay_nick[32];
|
|
#endif
|
|
|
|
// FFmpeg record.
|
|
#ifdef HAVE_FFMPEG
|
|
ffemu_t *rec;
|
|
char record_path[PATH_MAX];
|
|
bool recording;
|
|
unsigned record_width;
|
|
unsigned record_height;
|
|
#endif
|
|
|
|
struct
|
|
{
|
|
const uint16_t *data;
|
|
unsigned width;
|
|
unsigned height;
|
|
} frame_cache;
|
|
|
|
char title_buf[64];
|
|
|
|
struct
|
|
{
|
|
char **elems;
|
|
size_t size;
|
|
size_t ptr;
|
|
} shader_dir;
|
|
|
|
char sha256[64 + 1];
|
|
|
|
#ifdef HAVE_XML
|
|
cheat_manager_t *cheat;
|
|
#endif
|
|
|
|
bool error_in_init;
|
|
char error_string[1024];
|
|
jmp_buf error_sjlj_context;
|
|
};
|
|
|
|
void parse_config(void);
|
|
void config_set_defaults(void);
|
|
|
|
void ssnes_main_clear_state(void);
|
|
int ssnes_main_init(int argc, char *argv[]);
|
|
bool ssnes_main_iterate(void);
|
|
void ssnes_main_deinit(void);
|
|
void ssnes_render_cached_frame(void);
|
|
|
|
extern struct settings g_settings;
|
|
extern struct global g_extern;
|
|
#ifdef SSNES_CONSOLE
|
|
extern struct console_settings g_console;
|
|
#endif
|
|
|
|
#define SSNES_LOG(...) do { \
|
|
if (g_extern.verbose) \
|
|
fprintf(stderr, "SSNES: " __VA_ARGS__); \
|
|
fflush(stderr); \
|
|
} while (0)
|
|
|
|
#define SSNES_ERR(...) do { \
|
|
fprintf(stderr, "SSNES [ERROR] :: " __VA_ARGS__); \
|
|
fflush(stderr); \
|
|
} while (0)
|
|
|
|
#define SSNES_WARN(...) do { \
|
|
fprintf(stderr, "SSNES [WARN] :: " __VA_ARGS__); \
|
|
fflush(stderr); \
|
|
} while (0)
|
|
|
|
#ifndef max
|
|
#define max(a, b) ((a) > (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef min
|
|
#define min(a, b) ((a) < (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#define SSNES_SCALE_BASE 256
|
|
|
|
static inline uint32_t next_pow2(uint32_t v)
|
|
{
|
|
v--;
|
|
v |= v >> 1;
|
|
v |= v >> 2;
|
|
v |= v >> 4;
|
|
v |= v >> 8;
|
|
v |= v >> 16;
|
|
v++;
|
|
return v;
|
|
}
|
|
|
|
static inline uint8_t is_little_endian(void)
|
|
{
|
|
union
|
|
{
|
|
uint16_t x;
|
|
uint8_t y[2];
|
|
} u;
|
|
|
|
u.x = 1;
|
|
return u.y[0];
|
|
}
|
|
|
|
#ifdef GEKKO
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
static inline void ssnes_sleep(unsigned msec)
|
|
{
|
|
#ifdef __CELLOS_LV2__
|
|
sys_timer_usleep(1000 * msec);
|
|
#elif defined(_WIN32)
|
|
Sleep(msec);
|
|
#elif defined(XENON)
|
|
udelay(1000 * msec);
|
|
#elif defined(GEKKO)
|
|
usleep(1000 * msec);
|
|
#else
|
|
struct timespec tv = {0};
|
|
tv.tv_sec = msec / 1000;
|
|
tv.tv_nsec = (msec % 1000) * 1000000;
|
|
nanosleep(&tv, NULL);
|
|
#endif
|
|
}
|
|
|
|
#define ssnes_assert(cond) \
|
|
if (!(cond)) { SSNES_ERR("Assertion failed at %s:%d!\n", __FILE__, __LINE__); exit(2); }
|
|
|
|
static inline void ssnes_fail(int error_code, const char *error)
|
|
{
|
|
// We cannot longjmp unless we're in ssnes_main_init().
|
|
// If not, something went very wrong, and we should just exit right away.
|
|
ssnes_assert(g_extern.error_in_init);
|
|
|
|
strlcpy(g_extern.error_string, error, sizeof(g_extern.error_string));
|
|
longjmp(g_extern.error_sjlj_context, error_code);
|
|
}
|
|
|
|
#endif
|
|
|
|
|