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(Drivers/Input) Implement no-op stubs for null input driver

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Prevents RetroArch from crashing if the "null" input driver is used with
the "null" video driver which provides no input driver.
This commit is contained in:
Hugo Hromic 2020-07-10 16:43:18 +01:00
parent 5b21d660ed
commit 8123c0c0ec
1 changed files with 30 additions and 12 deletions
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42
retroarch.c
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@ -653,20 +653,38 @@ static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
NULL
};
static void *input_null_init(const char *joypad_driver) { return (void*)-1; }
static void input_null_poll(void *data) { }
static int16_t input_null_input_state(void *data,
rarch_joypad_info_t *joypad_info,
const struct retro_keybind **retro_keybinds,
unsigned port, unsigned device, unsigned index, unsigned id) { return 0; }
static void input_null_free(void *data) { }
static bool input_null_set_sensor_state(void *data, unsigned port,
enum retro_sensor_action action, unsigned rate) { return false; }
static float input_null_get_sensor_input(void *data, unsigned port, unsigned id) { return 0.0; }
static uint64_t input_null_get_capabilities(void *data) { return 0; }
static void input_null_grab_mouse(void *data, bool state) { }
static bool input_null_grab_stdin(void *data) { return false; }
static bool input_null_set_rumble(void *data, unsigned port,
enum retro_rumble_effect effect, uint16_t state) { return false; }
static const input_device_driver_t *input_null_get_joypad_driver(void *data) { return NULL; }
static const input_device_driver_t *input_null_get_sec_joypad_driver(void *data) { return NULL; }
static input_driver_t input_null = {
NULL, /* init */
NULL, /* poll */
NULL, /* input_state */
NULL, /* free */
NULL, /* set_sensor_state */
NULL,
NULL, /* get_capabilities */
input_null_init,
input_null_poll,
input_null_input_state,
input_null_free,
input_null_set_sensor_state,
input_null_get_sensor_input,
input_null_get_capabilities,
"null",
NULL, /* grab_mouse */
NULL,
NULL, /* set_rumble */
NULL,
NULL,
input_null_grab_mouse,
input_null_grab_stdin,
input_null_set_rumble,
input_null_get_joypad_driver,
input_null_get_sec_joypad_driver,
false,
};