diff options
Diffstat (limited to 'libretro/libretro.c')
| -rw-r--r-- | libretro/libretro.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/libretro/libretro.c b/libretro/libretro.c index 14fe29d..fa2c4ba 100644 --- a/libretro/libretro.c +++ b/libretro/libretro.c @@ -89,6 +89,8 @@ static retro_input_state_t input_cb = NULL; static retro_audio_sample_batch_t audio_batch_cb = NULL; static retro_environment_t environ_cb = NULL; +static bool libretro_supports_bitmasks = false; + static uint32 joys[5]; bool8 ROMAPUEnabled = 0; @@ -373,6 +375,9 @@ void retro_init (void) snes_init(); environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars); + + if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL)) + libretro_supports_bitmasks = true; } /* libsnes uses relative values for analogue devices. @@ -404,7 +409,7 @@ void retro_deinit(void) GFX.SubZBuffer_buffer = NULL; - + libretro_supports_bitmasks = false; } void retro_reset (void) @@ -420,11 +425,24 @@ void S9xSetButton(int i, uint16 b, bool pressed); static void report_buttons (void) { int i, j; - for ( i = 0; i < 5; i++) + int16_t joy_bits[5] = {0}; + + for (j = 0; j < 5; j++) + { + if (libretro_supports_bitmasks) + joy_bits[j] = input_cb(j, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK); + else + { + for (i = 0; i < (RETRO_DEVICE_ID_JOYPAD_R3+1); i++) + joy_bits[j] |= input_cb(j, RETRO_DEVICE_JOYPAD, 0, i) ? (1 << i) : 0; + } + } + + for (i = 0; i < 5; i++) { for (j = 0; j <= RETRO_DEVICE_ID_JOYPAD_R; j++) { - if (input_cb(i, RETRO_DEVICE_JOYPAD, 0, j)) + if (joy_bits[i] & (1 << j)) joys[i] |= (1 << (15 - j)); else joys[i] &= ~(1 << (15 - j)); |