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RetroArch/driver.h
Themaister e18af77412 Add path to cache GL context on reinit. 
If successful, can avoid libretro GL reset context callback being
called.
2013-08-11 00:53:19 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
*
* RetroArch 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.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __DRIVER__H
#define __DRIVER__H
#include <sys/types.h>
#include "boolean.h"
#include "libretro.h"
#include <stdlib.h>
#include <stdint.h>
#include "msvc/msvc_compat.h"
#include "gfx/scaler/scaler.h"
#include "input/overlay.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_COMMAND
#include "command.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define AUDIO_CHUNK_SIZE_BLOCKING 512
#define AUDIO_CHUNK_SIZE_NONBLOCKING 2048 // So we don't get complete line-noise when fast-forwarding audio.
#define AUDIO_MAX_RATIO 16
// 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)
// libretro has 16 buttons from 0-15 (libretro.h)
// Analog binds use RETRO_DEVICE_ANALOG, but we follow the same scheme internally
// in RetroArch for simplicity,
// so they are mapped into [16, 23].
#define RARCH_FIRST_CUSTOM_BIND 16
#define RARCH_FIRST_META_KEY RARCH_CUSTOM_BIND_LIST_END
enum // RetroArch specific bind IDs.
{
// Custom binds that extend the scope of RETRO_DEVICE_JOYPAD for RetroArch specifically.
// Turbo
RARCH_TURBO_ENABLE = RARCH_FIRST_CUSTOM_BIND,
// Analogs (RETRO_DEVICE_ANALOG)
RARCH_ANALOG_LEFT_X_PLUS,
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,
#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
RARCH_CUSTOM_BIND_LIST_END,
// Command binds. Not related to game input, only usable for port 0.
RARCH_FAST_FORWARD_KEY = RARCH_FIRST_META_KEY,
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,
RARCH_ENABLE_HOTKEY,
RARCH_VOLUME_UP,
RARCH_VOLUME_DOWN,
RARCH_OVERLAY_NEXT,
RARCH_DISK_EJECT_TOGGLE,
RARCH_DISK_NEXT,
RARCH_GRAB_MOUSE_TOGGLE,
RARCH_MENU_TOGGLE,
RARCH_BIND_LIST_END,
RARCH_BIND_LIST_END_NULL
};
struct retro_keybind
{
bool valid;
int id;
const char *desc;
enum retro_key key;
// PC only uses lower 16-bits.
// Full 64-bit can be used for port-specific purposes, like simplifying multiple binds, etc.
uint64_t joykey;
// Default key binding value - for resetting bind to default
uint64_t def_joykey;
uint32_t joyaxis;
};
struct platform_bind
{
uint64_t joykey;
char desc[64];
};
enum rarch_shader_type
{
RARCH_SHADER_CG,
RARCH_SHADER_HLSL,
RARCH_SHADER_GLSL,
RARCH_SHADER_NONE
};
#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
typedef struct video_info
{
unsigned width;
unsigned height;
bool fullscreen;
bool vsync;
bool force_aspect;
bool smooth;
unsigned input_scale; // Maximum input size: RARCH_SCALE_BASE * input_scale
bool rgb32; // Use 32-bit RGBA rather than native XBGR1555.
} video_info_t;
typedef struct audio_driver
{
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);
bool (*use_float)(void *data); // Defines if driver will take standard floating point samples, or int16_t samples.
const char *ident;
size_t (*write_avail)(void *data); // Optional
size_t (*buffer_size)(void *data); // Optional
} audio_driver_t;
#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)
#define AXIS_DIR_NONE UINT16_C(0xFFFF)
#define AXIS_NEG_GET(x) (((uint32_t)(x) >> 16) & UINT16_C(0xFFFF))
#define AXIS_POS_GET(x) ((uint32_t)(x) & UINT16_C(0xFFFF))
#define NO_BTN UINT16_C(0xFFFF) // I hope no joypad will ever have this many buttons ... ;)
#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)
#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))
enum input_devices
{
#if defined(ANDROID)
DEVICE_NONE = 0,
DEVICE_LOGITECH_RUMBLEPAD2,
DEVICE_LOGITECH_DUAL_ACTION,
DEVICE_LOGITECH_PRECISION_GAMEPAD,
DEVICE_ICONTROLPAD_HID_JOYSTICK,
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,
DEVICE_SEGA_VIRTUA_STICK_HIGH_GRADE,
DEVICE_CCPCREATIONS_WIIUSE_IME,
DEVICE_KEYBOARD_RETROPAD,
DEVICE_OUYA,
DEVICE_ONLIVE_WIRELESS_CONTROLLER,
DEVICE_TOMEE_NES_USB,
DEVICE_THRUSTMASTER_T_MINI,
DEVICE_GAMEMID,
DEVICE_DEFENDER_GAME_RACER_CLASSIC,
DEVICE_HOLTEK_JC_U912F,
DEVICE_NVIDIA_SHIELD,
#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,
#elif defined(__BLACKBERRY_QNX__)
DEVICE_NONE,
DEVICE_WIIMOTE,
DEVICE_KEYBOARD,
DEVICE_IPEGA,
DEVICE_KEYPAD,
DEVICE_UNKNOWN,
#elif defined(IOS)
DEVICE_NONE,
DEVICE_WIIMOTE,
DEVICE_SIXAXIS,
#endif
DEVICE_LAST
};
enum analog_dpad_bind_enums
{
ANALOG_DPAD_NONE = 0,
ANALOG_DPAD_LSTICK,
ANALOG_DPAD_RSTICK,
ANALOG_DPAD_DUALANALOG,
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,
KEYBINDS_ACTION_GET_BIND_LABEL,
KEYBINDS_ACTION_LAST
};
typedef struct input_driver
{
void *(*init)(void);
void (*poll)(void *data);
int16_t (*input_state)(void *data, const struct retro_keybind **retro_keybinds,
unsigned port, unsigned device, unsigned index, unsigned id);
bool (*key_pressed)(void *data, int key);
void (*free)(void *data);
void (*set_keybinds)(void *data, unsigned device, unsigned port, unsigned id, unsigned keybind_action);
const char *ident;
void (*grab_mouse)(void *data, bool state);
} input_driver_t;
struct rarch_viewport;
#ifdef HAVE_OVERLAY
typedef struct video_overlay_interface
{
void (*enable)(void *data, bool state);
bool (*load)(void *data, const uint32_t *image, unsigned width, unsigned height);
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);
void (*full_screen)(void *data, bool enable);
void (*set_alpha)(void *data, float mod);
} video_overlay_interface_t;
#endif
// Optionally implemented interface to poke more deeply into video driver.
typedef struct video_poke_interface
{
void (*set_filtering)(void *data, unsigned index, bool smooth);
#ifdef HAVE_FBO
uintptr_t (*get_current_framebuffer)(void *data);
retro_proc_address_t (*get_proc_address)(void *data, const char *sym);
#endif
void (*set_aspect_ratio)(void *data, unsigned aspectratio_index);
void (*apply_state_changes)(void *data);
#if defined(HAVE_RGUI) || defined(HAVE_RMENU)
void (*set_texture_frame)(void *data, const void *frame, bool rgb32, unsigned width, unsigned height, float alpha); // Update texture.
void (*set_texture_enable)(void *data, bool enable, bool full_screen); // Enable/disable rendering.
#endif
void (*set_osd_msg)(void *data, const char *msg, void *userdata);
void (*show_mouse)(void *data, bool state);
void (*grab_mouse_toggle)(void *data);
} video_poke_interface_t;
typedef struct video_driver
{
void *(*init)(const video_info_t *video, const input_driver_t **input, void **input_data);
// 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.
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.
// Is the window still active?
bool (*alive)(void *data);
bool (*focus)(void *data); // Does the window have focus?
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.
void (*free)(void *data);
const char *ident;
#if defined(HAVE_RMENU) || defined(HAVE_RGUI)
void (*start)(void);
void (*restart)(void);
#endif
void (*set_rotation)(void *data, unsigned rotation);
void (*viewport_info)(void *data, struct rarch_viewport *vp);
// Reads out in BGR byte order (24bpp).
bool (*read_viewport)(void *data, uint8_t *buffer);
#ifdef HAVE_OVERLAY
void (*overlay_interface)(void *data, const video_overlay_interface_t **iface);
#endif
void (*poke_interface)(void *data, const video_poke_interface_t **iface);
} video_driver_t;
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 // ?!
};
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;
bool threaded_video;
// 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.
// 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;
#ifdef HAVE_COMMAND
rarch_cmd_t *command;
#endif
bool stdin_claimed;
bool block_hotkey;
bool nonblock_state;
// 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;
// Used for 15-bit -> 16-bit conversions that take place before being passed to video driver.
struct scaler_ctx scaler;
void *scaler_out;
// 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;
#ifdef HAVE_OVERLAY
input_overlay_t *overlay;
uint64_t overlay_state;
#endif
// Interface for "poking".
const video_poke_interface_t *video_poke;
// last message given to the video driver
const char *current_msg;
} driver_t;
void init_drivers(void);
void init_drivers_pre(void);
void uninit_drivers(void);
void global_init_drivers(void);
void global_uninit_drivers(void);
void init_video_input(void);
void uninit_video_input(void);
void init_audio(void);
void uninit_audio(void);
void driver_set_monitor_refresh_rate(float hz);
bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points);
void driver_set_nonblock_state(bool nonblock);
// Used by RETRO_ENVIRONMENT_SET_HW_RENDER.
uintptr_t driver_get_current_framebuffer(void);
retro_proc_address_t driver_get_proc_address(const char *sym);
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;
extern const audio_driver_t audio_alsathread;
extern const audio_driver_t audio_roar;
extern const audio_driver_t audio_openal;
extern const audio_driver_t audio_opensl;
extern const audio_driver_t audio_jack;
extern const audio_driver_t audio_sdl;
extern const audio_driver_t audio_xa;
extern const audio_driver_t audio_pulse;
extern const audio_driver_t audio_dsound;
extern const audio_driver_t audio_coreaudio;
extern const audio_driver_t audio_xenon360;
extern const audio_driver_t audio_ps3;
extern const audio_driver_t audio_gx;
extern const audio_driver_t audio_null;
extern const video_driver_t video_gl;
extern const video_driver_t video_psp1;
extern const video_driver_t video_vita;
extern const video_driver_t video_d3d9;
extern const video_driver_t video_gx;
extern const video_driver_t video_xenon360;
extern const video_driver_t video_xvideo;
extern const video_driver_t video_xdk_d3d;
extern const video_driver_t video_sdl;
extern const video_driver_t video_vg;
extern const video_driver_t video_null;
extern const video_driver_t video_omap;
extern const input_driver_t input_android;
extern const input_driver_t input_sdl;
extern const input_driver_t input_dinput;
extern const input_driver_t input_x;
extern const input_driver_t input_ps3;
extern const input_driver_t input_psp;
extern const input_driver_t input_xenon360;
extern const input_driver_t input_gx;
extern const input_driver_t input_xinput;
extern const input_driver_t input_linuxraw;
extern const input_driver_t input_apple;
extern const input_driver_t input_qnx;
extern const input_driver_t input_null;
#include "driver_funcs.h"
#ifdef __cplusplus
}
#endif
#endif
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