RetroArch/general.h

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/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010-2011 - Hans-Kristian Arntzen
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*
* 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 <stdbool.h>
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#include "driver.h"
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#include <stdio.h>
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#include "record/ffemu.h"
#include "message.h"
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#include "rewind.h"
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#include "movie.h"
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#include "autosave.h"
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#include "netplay.h"
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#include "dynamic.h"
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#include "cheats.h"
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#include "audio/ext/ssnes_dsp.h"
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#ifdef HAVE_CONFIG_H
#include "config.h"
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#endif
#ifdef HAVE_SRC
#include <samplerate.h>
#else
#include "audio/hermite.h"
#endif
#define MAX_PLAYERS 5
#define MAX_BINDS 34 // Needs to be increased every time there are new binds added.
#define SSNES_NO_JOYPAD 0xFFFF
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enum ssnes_shader_type
{
SSNES_SHADER_CG,
SSNES_SHADER_BSNES,
SSNES_SHADER_AUTO,
SSNES_SHADER_NONE
};
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// All config related settings go here.
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struct settings
{
struct
{
char driver[32];
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float xscale;
float yscale;
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bool fullscreen;
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unsigned fullscreen_x;
unsigned fullscreen_y;
bool vsync;
bool smooth;
bool force_aspect;
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bool crop_overscan;
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float aspect_ratio;
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char cg_shader_path[256];
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char bsnes_shader_path[256];
char filter_path[256];
enum ssnes_shader_type shader_type;
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bool render_to_texture;
double fbo_scale_x;
double fbo_scale_y;
char second_pass_shader[256];
bool second_pass_smooth;
char shader_dir[256];
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char font_path[256];
unsigned font_size;
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float msg_pos_x;
float msg_pos_y;
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bool force_16bit;
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char external_driver[256];
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} video;
struct
{
char driver[32];
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bool enable;
unsigned out_rate;
float in_rate;
float rate_step;
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char device[256];
unsigned latency;
bool sync;
int src_quality;
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char dsp_plugin[256];
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char external_driver[256];
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} audio;
struct
{
char driver[32];
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struct snes_keybind binds[MAX_PLAYERS][MAX_BINDS];
float axis_threshold;
unsigned joypad_map[MAX_PLAYERS];
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bool netplay_client_swap_input;
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} input;
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char libsnes[256];
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char cheat_database[256];
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char screenshot_directory[256];
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bool rewind_enable;
unsigned rewind_buffer_size;
unsigned rewind_granularity;
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bool pause_nonactive;
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unsigned autosave_interval;
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};
enum ssnes_game_type
{
SSNES_CART_NORMAL = 0,
SSNES_CART_SGB,
SSNES_CART_BSX,
SSNES_CART_BSX_SLOTTED,
SSNES_CART_SUFAMI,
};
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// All run-time- / command line flag-related globals go here.
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struct global
{
bool verbose;
bool audio_active;
bool video_active;
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bool has_mouse[2];
bool has_scope[2];
bool has_justifier;
bool has_justifiers;
bool has_multitap;
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bool disconnect_device[2];
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FILE *rom_file;
enum ssnes_game_type game_type;
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uint32_t cart_crc;
char gb_rom_path[256];
char bsx_rom_path[256];
char sufami_rom_path[2][256];
bool has_set_save_path;
bool has_set_state_path;
#ifdef HAVE_CONFIGFILE
char config_path[256];
#endif
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char basename[256];
char savefile_name_srm[256];
char savefile_name_rtc[512]; // Make sure that fill_pathname has space.
char savefile_name_psrm[512];
char savefile_name_asrm[512];
char savefile_name_bsrm[512];
char savestate_name[256];
char ups_name[512];
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char xml_name[512];
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unsigned state_slot;
struct
{
#ifdef HAVE_SRC
SRC_STATE *source;
#else
hermite_resampler_t *source;
#endif
float *data;
size_t data_ptr;
size_t chunk_size;
size_t nonblock_chunk_size;
size_t block_chunk_size;
bool use_float;
float *outsamples;
int16_t *conv_outsamples;
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dylib_t dsp_lib;
const ssnes_dsp_plugin_t *dsp_plugin;
void *dsp_handle;
} audio_data;
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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;
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// Rewind support.
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state_manager_t *state_manager;
void *state_buf;
bool frame_is_reverse;
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// Movie record support
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bsv_movie_t *bsv_movie;
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char bsv_movie_path[256];
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bool bsv_movie_end;
bool bsv_movie_playback;
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// Pausing support
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bool is_paused;
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// Autosave support.
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autosave_t *autosave[2];
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// Netplay.
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netplay_t *netplay;
char netplay_server[256];
bool netplay_enable;
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bool netplay_is_client;
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unsigned netplay_sync_frames;
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uint16_t netplay_port;
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// FFmpeg record.
#ifdef HAVE_FFMPEG
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ffemu_t *rec;
char record_path[256];
bool recording;
#endif
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char title_buf[64];
struct
{
char** elems;
size_t size;
size_t ptr;
} shader_dir;
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char sha256[64 + 1];
bool do_screenshot;
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#ifdef HAVE_XML
cheat_manager_t *cheat;
#endif
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};
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void parse_config(void);
extern struct settings g_settings;
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extern struct global g_extern;
#define SSNES_LOG(...) do { \
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if (g_extern.verbose) \
fprintf(stderr, "SSNES: " __VA_ARGS__); \
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fflush(stderr); \
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} while(0)
#define SSNES_ERR(...) do { \
fprintf(stderr, "SSNES [ERROR] :: " __VA_ARGS__); \
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fflush(stderr); \
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} while(0)
#define SSNES_WARN(...) do { \
fprintf(stderr, "SSNES [WARN] :: " __VA_ARGS__); \
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fflush(stderr); \
} while(0)
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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;
}
#endif
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