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/* RetroArch - A frontend for libretro.
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* Copyright ( C ) 2010 - 2013 - Hans - Kristian Arntzen
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*
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* RetroArch is free software : you can redistribute it and / or modify it under the terms
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* 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 .
*
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* RetroArch is distributed in the hope that it will be useful , but WITHOUT ANY WARRANTY ;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE . See the GNU General Public License for more details .
*
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* You should have received a copy of the GNU General Public License along with RetroArch .
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* If not , see < http : //www.gnu.org/licenses/>.
*/
# ifndef __DRIVER__H
# define __DRIVER__H
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# include <sys/types.h>
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# include "boolean.h"
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# include "libretro_private.h"
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# include <stdlib.h>
# include <stdint.h>
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# include "msvc/msvc_compat.h"
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# include "gfx/scaler/scaler.h"
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# include "input/overlay.h"
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# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
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# ifdef HAVE_COMMAND
# include "command.h"
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# endif
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# ifdef __cplusplus
extern " C " {
# endif
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# define AUDIO_CHUNK_SIZE_BLOCKING 512
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# define AUDIO_CHUNK_SIZE_NONBLOCKING 2048 // So we don't get complete line-noise when fast-forwarding audio.
# define AUDIO_MAX_RATIO 16
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// Specialized _POINTER that targets the full screen regardless of viewport.
// Should not be used by a libretro implementation as coordinates returned make no sense.
// It is only used internally for overlays.
# define RARCH_DEVICE_POINTER_SCREEN (RETRO_DEVICE_POINTER | 0x10000)
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// libretro has 16 buttons from 0-15 (libretro.h)
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// Analog binds use RETRO_DEVICE_ANALOG, but we follow the same scheme internally
// in RetroArch for simplicity,
// so they are mapped into [16, 23].
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# define RARCH_FIRST_CUSTOM_BIND 16
# define RARCH_FIRST_META_KEY RARCH_CUSTOM_BIND_LIST_END
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enum // RetroArch specific bind IDs.
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{
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// Custom binds that extend the scope of RETRO_DEVICE_JOYPAD for RetroArch specifically.
// Turbo
RARCH_TURBO_ENABLE = RARCH_FIRST_CUSTOM_BIND ,
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// Analogs (RETRO_DEVICE_ANALOG)
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RARCH_ANALOG_LEFT_X_PLUS ,
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RARCH_ANALOG_LEFT_X_MINUS ,
RARCH_ANALOG_LEFT_Y_PLUS ,
RARCH_ANALOG_LEFT_Y_MINUS ,
RARCH_ANALOG_RIGHT_X_PLUS ,
RARCH_ANALOG_RIGHT_X_MINUS ,
RARCH_ANALOG_RIGHT_Y_PLUS ,
RARCH_ANALOG_RIGHT_Y_MINUS ,
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# ifdef RARCH_CONSOLE
RARCH_ANALOG_LEFT_X_DPAD_LEFT ,
RARCH_ANALOG_LEFT_X_DPAD_RIGHT ,
RARCH_ANALOG_LEFT_Y_DPAD_UP ,
RARCH_ANALOG_LEFT_Y_DPAD_DOWN ,
RARCH_ANALOG_RIGHT_X_DPAD_LEFT ,
RARCH_ANALOG_RIGHT_X_DPAD_RIGHT ,
RARCH_ANALOG_RIGHT_Y_DPAD_UP ,
RARCH_ANALOG_RIGHT_Y_DPAD_DOWN ,
# endif
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RARCH_CUSTOM_BIND_LIST_END ,
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// Command binds. Not related to game input, only usable for port 0.
RARCH_FAST_FORWARD_KEY = RARCH_FIRST_META_KEY ,
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RARCH_FAST_FORWARD_HOLD_KEY ,
RARCH_LOAD_STATE_KEY ,
RARCH_SAVE_STATE_KEY ,
RARCH_FULLSCREEN_TOGGLE_KEY ,
RARCH_QUIT_KEY ,
RARCH_STATE_SLOT_PLUS ,
RARCH_STATE_SLOT_MINUS ,
RARCH_REWIND ,
RARCH_MOVIE_RECORD_TOGGLE ,
RARCH_PAUSE_TOGGLE ,
RARCH_FRAMEADVANCE ,
RARCH_RESET ,
RARCH_SHADER_NEXT ,
RARCH_SHADER_PREV ,
RARCH_CHEAT_INDEX_PLUS ,
RARCH_CHEAT_INDEX_MINUS ,
RARCH_CHEAT_TOGGLE ,
RARCH_SCREENSHOT ,
RARCH_DSP_CONFIG ,
RARCH_MUTE ,
RARCH_NETPLAY_FLIP ,
RARCH_SLOWMOTION ,
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RARCH_ENABLE_HOTKEY ,
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RARCH_VOLUME_UP ,
RARCH_VOLUME_DOWN ,
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RARCH_OVERLAY_NEXT ,
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RARCH_DISK_EJECT_TOGGLE ,
RARCH_DISK_NEXT ,
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RARCH_GRAB_MOUSE_TOGGLE ,
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RARCH_MENU_TOGGLE ,
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RARCH_BIND_LIST_END ,
RARCH_BIND_LIST_END_NULL
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} ;
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struct retro_keybind
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{
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bool valid ;
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int id ;
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const char * desc ;
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enum retro_key key ;
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// PC only uses lower 16-bits.
// Full 64-bit can be used for port-specific purposes, like simplifying multiple binds, etc.
uint64_t joykey ;
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// Default key binding value - for resetting bind to default
uint64_t def_joykey ;
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uint32_t joyaxis ;
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} ;
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struct platform_bind
{
uint64_t joykey ;
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char desc [ 64 ] ;
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} ;
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enum rarch_shader_type
{
RARCH_SHADER_CG ,
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RARCH_SHADER_HLSL ,
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RARCH_SHADER_GLSL ,
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RARCH_SHADER_NONE
} ;
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# if defined(_XBOX360)
# define DEFAULT_SHADER_TYPE RARCH_SHADER_HLSL
# elif defined(__PSL1GHT__)
# define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
# elif defined(__CELLOS_LV2__)
# define DEFAULT_SHADER_TYPE RARCH_SHADER_CG
# elif defined(HAVE_OPENGLES2)
# define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
# else
# define DEFAULT_SHADER_TYPE RARCH_SHADER_NONE
# endif
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typedef struct video_info
{
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unsigned width ;
unsigned height ;
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bool fullscreen ;
bool vsync ;
bool force_aspect ;
bool smooth ;
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unsigned input_scale ; // Maximum input size: RARCH_SCALE_BASE * input_scale
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bool rgb32 ; // Use 32-bit RGBA rather than native XBGR1555.
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} video_info_t ;
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typedef struct audio_driver
{
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void * ( * init ) ( const char * device , unsigned rate , unsigned latency ) ;
ssize_t ( * write ) ( void * data , const void * buf , size_t size ) ;
bool ( * stop ) ( void * data ) ;
bool ( * start ) ( void * data ) ;
void ( * set_nonblock_state ) ( void * data , bool toggle ) ; // Should we care about blocking in audio thread? Fast forwarding.
void ( * free ) ( void * data ) ;
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bool ( * use_float ) ( void * data ) ; // Defines if driver will take standard floating point samples, or int16_t samples.
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const char * ident ;
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size_t ( * write_avail ) ( void * data ) ; // Optional
size_t ( * buffer_size ) ( void * data ) ; // Optional
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} audio_driver_t ;
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# define AXIS_NEG(x) (((uint32_t)(x) << 16) | UINT16_C(0xFFFF))
# define AXIS_POS(x) ((uint32_t)(x) | UINT32_C(0xFFFF0000))
# define AXIS_NONE UINT32_C(0xFFFFFFFF)
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# define AXIS_DIR_NONE UINT16_C(0xFFFF)
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# define AXIS_NEG_GET(x) (((uint32_t)(x) >> 16) & UINT16_C(0xFFFF))
# define AXIS_POS_GET(x) ((uint32_t)(x) & UINT16_C(0xFFFF))
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# define NO_BTN UINT16_C(0xFFFF) // I hope no joypad will ever have this many buttons ... ;)
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# define HAT_UP_SHIFT 15
# define HAT_DOWN_SHIFT 14
# define HAT_LEFT_SHIFT 13
# define HAT_RIGHT_SHIFT 12
# define HAT_UP_MASK (1 << HAT_UP_SHIFT)
# define HAT_DOWN_MASK (1 << HAT_DOWN_SHIFT)
# define HAT_LEFT_MASK (1 << HAT_LEFT_SHIFT)
# define HAT_RIGHT_MASK (1 << HAT_RIGHT_SHIFT)
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# define HAT_MAP(x, hat) ((x & ((1 << 12) - 1)) | hat)
# define HAT_MASK (HAT_UP_MASK | HAT_DOWN_MASK | HAT_LEFT_MASK | HAT_RIGHT_MASK)
# define GET_HAT_DIR(x) (x & HAT_MASK)
# define GET_HAT(x) (x & (~HAT_MASK))
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enum input_devices
{
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# if defined(ANDROID)
DEVICE_NONE = 0 ,
DEVICE_LOGITECH_RUMBLEPAD2 ,
DEVICE_LOGITECH_DUAL_ACTION ,
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DEVICE_LOGITECH_PRECISION_GAMEPAD ,
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DEVICE_ICONTROLPAD_HID_JOYSTICK ,
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DEVICE_ICONTROLPAD_BLUEZ_IME ,
DEVICE_TTT_THT_ARCADE ,
DEVICE_TOMMO_NEOGEOX_ARCADE ,
DEVICE_MADCATZ_PC_USB_STICK ,
DEVICE_LOGICOOL_RUMBLEPAD2 ,
DEVICE_IDROID_X360 ,
DEVICE_ZEEMOTE_STEELSERIES ,
DEVICE_HUIJIA_USB_SNES ,
DEVICE_SUPER_SMARTJOY ,
DEVICE_SAITEK_RUMBLE_P480 ,
DEVICE_MS_SIDEWINDER_DUAL_STRIKE ,
DEVICE_MS_SIDEWINDER ,
DEVICE_MS_XBOX ,
DEVICE_WISEGROUP_PLAYSTATION2 ,
DEVICE_JCPS102_PLAYSTATION2 ,
DEVICE_GENERIC_PLAYSTATION2_CONVERTER ,
DEVICE_PSMOVE_NAVI ,
DEVICE_JXD_S7300B ,
DEVICE_IDROID_CON ,
DEVICE_GENIUS_MAXFIRE_G08XU ,
DEVICE_USB_2_AXIS_8_BUTTON_GAMEPAD ,
DEVICE_BUFFALO_BGC_FC801 ,
DEVICE_RETROUSB_RETROPAD ,
DEVICE_RETROUSB_SNES_RETROPORT ,
DEVICE_CYPRESS_USB ,
DEVICE_MAYFLASH_WII_CLASSIC ,
DEVICE_SZMY_POWER_DUAL_BOX_WII ,
DEVICE_ARCHOS_GAMEPAD ,
DEVICE_JXD_S5110 ,
DEVICE_XPERIA_PLAY ,
DEVICE_BROADCOM_BLUETOOTH_HID ,
DEVICE_THRUST_PREDATOR ,
DEVICE_DRAGONRISE ,
DEVICE_PLAYSTATION3_VERSION1 ,
DEVICE_PLAYSTATION3_VERSION2 ,
DEVICE_MOGA_IME ,
DEVICE_NYKO_PLAYPAD_PRO ,
DEVICE_TOODLES_2008_CHIMP ,
DEVICE_MOGA ,
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DEVICE_SEGA_VIRTUA_STICK_HIGH_GRADE ,
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DEVICE_CCPCREATIONS_WIIUSE_IME ,
DEVICE_KEYBOARD_RETROPAD ,
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DEVICE_OUYA ,
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DEVICE_ONLIVE_WIRELESS_CONTROLLER ,
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DEVICE_TOMEE_NES_USB ,
DEVICE_THRUSTMASTER_T_MINI ,
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DEVICE_GAMEMID ,
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DEVICE_DEFENDER_GAME_RACER_CLASSIC ,
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DEVICE_HOLTEK_JC_U912F ,
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DEVICE_NVIDIA_SHIELD ,
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DEVICE_MUCH_IREADGO_I5 ,
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DEVICE_WIKIPAD ,
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DEVICE_FC30_GAMEPAD ,
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# elif defined(GEKKO)
DEVICE_GAMECUBE = 0 ,
# ifdef HW_RVL
DEVICE_WIIMOTE ,
DEVICE_NUNCHUK ,
DEVICE_CLASSIC ,
# endif
# elif defined(_XBOX)
DEVICE_XBOX_PAD = 0 ,
# elif defined(__CELLOS_LV2__)
DEVICE_SIXAXIS = 0 ,
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# elif defined(__BLACKBERRY_QNX__)
DEVICE_NONE ,
DEVICE_WIIMOTE ,
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DEVICE_KEYBOARD ,
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DEVICE_IPEGA ,
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DEVICE_KEYPAD ,
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DEVICE_UNKNOWN ,
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# elif defined(IOS)
DEVICE_NONE ,
DEVICE_WIIMOTE ,
DEVICE_SIXAXIS ,
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# endif
DEVICE_LAST
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} ;
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enum analog_dpad_bind_enums
{
ANALOG_DPAD_NONE = 0 ,
ANALOG_DPAD_LSTICK ,
ANALOG_DPAD_RSTICK ,
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ANALOG_DPAD_DUALANALOG ,
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ANALOG_DPAD_LAST
} ;
enum keybind_set_id
{
KEYBINDS_ACTION_NONE = 0 ,
KEYBINDS_ACTION_DECREMENT_BIND ,
KEYBINDS_ACTION_INCREMENT_BIND ,
KEYBINDS_ACTION_SET_DEFAULT_BIND ,
KEYBINDS_ACTION_SET_DEFAULT_BINDS ,
KEYBINDS_ACTION_SET_ANALOG_DPAD_NONE ,
KEYBINDS_ACTION_SET_ANALOG_DPAD_LSTICK ,
KEYBINDS_ACTION_SET_ANALOG_DPAD_RSTICK ,
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KEYBINDS_ACTION_GET_BIND_LABEL ,
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KEYBINDS_ACTION_LAST
} ;
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typedef struct input_driver
{
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void * ( * init ) ( void ) ;
void ( * poll ) ( void * data ) ;
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int16_t ( * input_state ) ( void * data , const struct retro_keybind * * retro_keybinds ,
unsigned port , unsigned device , unsigned index , unsigned id ) ;
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bool ( * key_pressed ) ( void * data , int key ) ;
void ( * free ) ( void * data ) ;
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void ( * set_keybinds ) ( void * data , unsigned device , unsigned port , unsigned id , unsigned keybind_action ) ;
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const char * ident ;
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void ( * grab_mouse ) ( void * data , bool state ) ;
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} input_driver_t ;
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struct rarch_viewport ;
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# ifdef HAVE_OVERLAY
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typedef struct video_overlay_interface
{
void ( * enable ) ( void * data , bool state ) ;
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bool ( * load ) ( void * data , const uint32_t * image , unsigned width , unsigned height ) ;
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void ( * tex_geom ) ( void * data , float x , float y , float w , float h ) ;
void ( * vertex_geom ) ( void * data , float x , float y , float w , float h ) ;
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void ( * full_screen ) ( void * data , bool enable ) ;
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void ( * set_alpha ) ( void * data , float mod ) ;
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} video_overlay_interface_t ;
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# endif
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// Optionally implemented interface to poke more deeply into video driver.
typedef struct video_poke_interface
{
void ( * set_filtering ) ( void * data , unsigned index , bool smooth ) ;
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# ifdef HAVE_FBO
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uintptr_t ( * get_current_framebuffer ) ( void * data ) ;
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retro_proc_address_t ( * get_proc_address ) ( void * data , const char * sym ) ;
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# endif
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void ( * set_aspect_ratio ) ( void * data , unsigned aspectratio_index ) ;
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void ( * apply_state_changes ) ( void * data ) ;
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# if defined(HAVE_RGUI) || defined(HAVE_RMENU)
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void ( * set_texture_frame ) ( void * data , const void * frame , bool rgb32 , unsigned width , unsigned height , float alpha ) ; // Update texture.
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void ( * set_texture_enable ) ( void * data , bool enable , bool full_screen ) ; // Enable/disable rendering.
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# endif
void ( * set_osd_msg ) ( void * data , const char * msg , void * userdata ) ;
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void ( * show_mouse ) ( void * data , bool state ) ;
void ( * grab_mouse_toggle ) ( void * data ) ;
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} video_poke_interface_t ;
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typedef struct video_driver
{
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void * ( * init ) ( const video_info_t * video , const input_driver_t * * input , void * * input_data ) ;
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// Should the video driver act as an input driver as well? :)
// The video init might preinitialize an input driver to override the settings in case the video driver relies on input driver for event handling, e.g.
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bool ( * frame ) ( void * data , const void * frame , unsigned width , unsigned height , unsigned pitch , const char * msg ) ; // msg is for showing a message on the screen along with the video frame.
void ( * set_nonblock_state ) ( void * data , bool toggle ) ; // Should we care about syncing to vblank? Fast forwarding.
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// Is the window still active?
bool ( * alive ) ( void * data ) ;
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bool ( * focus ) ( void * data ) ; // Does the window have focus?
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bool ( * set_shader ) ( void * data , enum rarch_shader_type type , const char * path ) ; // Sets shader. Might not be implemented. Will be moved to poke_interface later.
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void ( * free ) ( void * data ) ;
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const char * ident ;
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# if defined(HAVE_RMENU) || defined(HAVE_RGUI)
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void ( * start ) ( void ) ;
void ( * restart ) ( void ) ;
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# endif
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void ( * set_rotation ) ( void * data , unsigned rotation ) ;
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void ( * viewport_info ) ( void * data , struct rarch_viewport * vp ) ;
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// Reads out in BGR byte order (24bpp).
bool ( * read_viewport ) ( void * data , uint8_t * buffer ) ;
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# ifdef HAVE_OVERLAY
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void ( * overlay_interface ) ( void * data , const video_overlay_interface_t * * iface ) ;
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# endif
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void ( * poke_interface ) ( void * data , const video_poke_interface_t * * iface ) ;
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} video_driver_t ;
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enum rarch_display_type
{
RARCH_DISPLAY_NONE = 0 , // Non-bindable types like consoles, KMS, VideoCore, etc.
RARCH_DISPLAY_X11 , // video_display => Display*, video_window => Window
RARCH_DISPLAY_WIN32 , // video_display => N/A, video_window => HWND
RARCH_DISPLAY_OSX // ?!
} ;
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typedef struct driver
{
const audio_driver_t * audio ;
const video_driver_t * video ;
const input_driver_t * input ;
void * audio_data ;
void * video_data ;
void * input_data ;
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bool threaded_video ;
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// If set during context deinit, the driver should keep
// graphics context alive to avoid having to reset all context state.
bool video_cache_context ;
bool video_cache_context_ack ; // Set to true by driver if context caching succeeded.
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// Set if the respective handles are owned by RetroArch driver core.
// Consoles upper logic will generally intialize the drivers before
// the driver core initializes. It will then be up to upper logic
// to finally free() up the driver handles.
// Driver core will still call init() and free(), but in this case
// these calls should be seen as "reinit() + ref_count++" and "ref_count--"
// respectively.
bool video_data_own ;
bool audio_data_own ;
bool input_data_own ;
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# ifdef HAVE_COMMAND
rarch_cmd_t * command ;
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# endif
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bool stdin_claimed ;
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bool block_hotkey ;
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bool nonblock_state ;
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// Opaque handles to currently running window.
// Used by e.g. input drivers which bind to a window.
// Drivers are responsible for setting these if an input driver
// could potentially make use of this.
uintptr_t video_display ;
uintptr_t video_window ;
enum rarch_display_type display_type ;
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// Used for 15-bit -> 16-bit conversions that take place before being passed to video driver.
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struct scaler_ctx scaler ;
void * scaler_out ;
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// Graphics driver requires RGBA byte order data (ABGR on little-endian) for 32-bit.
// This takes effect for overlay and shader cores that wants to load data into graphics driver.
// Kinda hackish to place it here, it is only used for GLES.
// TODO: Refactor this better.
bool gfx_use_rgba ;
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# ifdef HAVE_OVERLAY
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input_overlay_t * overlay ;
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input_overlay_state_t overlay_state ;
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# endif
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// Interface for "poking".
const video_poke_interface_t * video_poke ;
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// last message given to the video driver
const char * current_msg ;
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} driver_t ;
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void init_drivers ( void ) ;
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void init_drivers_pre ( void ) ;
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void uninit_drivers ( void ) ;
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void global_init_drivers ( void ) ;
void global_uninit_drivers ( void ) ;
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void init_video_input ( void ) ;
void uninit_video_input ( void ) ;
void init_audio ( void ) ;
void uninit_audio ( void ) ;
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void driver_set_monitor_refresh_rate ( float hz ) ;
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bool driver_monitor_fps_statistics ( double * refresh_rate , double * deviation , unsigned * sample_points ) ;
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void driver_set_nonblock_state ( bool nonblock ) ;
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// Used by RETRO_ENVIRONMENT_SET_HW_RENDER.
uintptr_t driver_get_current_framebuffer ( void ) ;
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retro_proc_address_t driver_get_proc_address ( const char * sym ) ;
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extern driver_t driver ;
//////////////////////////////////////////////// Backends
extern const audio_driver_t audio_rsound ;
extern const audio_driver_t audio_oss ;
extern const audio_driver_t audio_alsa ;
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extern const audio_driver_t audio_alsathread ;
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extern const audio_driver_t audio_roar ;
extern const audio_driver_t audio_openal ;
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extern const audio_driver_t audio_opensl ;
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extern const audio_driver_t audio_jack ;
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extern const audio_driver_t audio_sdl ;
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extern const audio_driver_t audio_xa ;
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extern const audio_driver_t audio_pulse ;
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extern const audio_driver_t audio_dsound ;
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extern const audio_driver_t audio_coreaudio ;
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extern const audio_driver_t audio_xenon360 ;
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extern const audio_driver_t audio_ps3 ;
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extern const audio_driver_t audio_gx ;
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extern const audio_driver_t audio_rwebaudio ;
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extern const audio_driver_t audio_null ;
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extern const video_driver_t video_gl ;
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extern const video_driver_t video_psp1 ;
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extern const video_driver_t video_vita ;
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extern const video_driver_t video_d3d9 ;
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extern const video_driver_t video_gx ;
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extern const video_driver_t video_xenon360 ;
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extern const video_driver_t video_xvideo ;
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extern const video_driver_t video_xdk_d3d ;
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extern const video_driver_t video_sdl ;
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extern const video_driver_t video_vg ;
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extern const video_driver_t video_null ;
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extern const video_driver_t video_omap ;
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extern const input_driver_t input_android ;
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extern const input_driver_t input_sdl ;
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extern const input_driver_t input_dinput ;
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extern const input_driver_t input_x ;
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extern const input_driver_t input_ps3 ;
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extern const input_driver_t input_psp ;
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extern const input_driver_t input_xenon360 ;
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extern const input_driver_t input_gx ;
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extern const input_driver_t input_xinput ;
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extern const input_driver_t input_linuxraw ;
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extern const input_driver_t input_apple ;
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extern const input_driver_t input_qnx ;
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extern const input_driver_t input_rwebinput ;
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extern const input_driver_t input_null ;
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# include "driver_funcs.h"
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# ifdef __cplusplus
}
# endif
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# endif