Added support for third party PS3 controllers to the HIDAPI driver

src/joystick/hidapi/SDL_hidapi_ps3.c

@@ -592,6 +592,308 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS3 =
     HIDAPI_DriverPS3_FreeDevice,
 };
 
+
+static SDL_bool
+HIDAPI_DriverPS3ThirdParty_IsEnabled(void)
+{
+    return SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_PS3,
+               SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI,
+                   SDL_HIDAPI_DEFAULT));
+}
+
+static SDL_bool
+HIDAPI_DriverPS3ThirdParty_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GameControllerType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol)
+{
+    Uint8 data[USB_PACKET_LENGTH];
+    int size;
+
+    if (SONY_THIRDPARTY_VENDOR(vendor_id)) {
+        if (device) {
+            if ((size = ReadFeatureReport(device->dev, 0x03, data, sizeof(data))) == 8 &&
+                data[2] == 0x26) {
+                /* Supported third party controller */
+                return SDL_TRUE;
+            } else {
+                return SDL_FALSE;
+            }
+        } else {
+            /* Might be supported by this driver, enumerate and find out */
+            return SDL_TRUE;
+        }
+    }
+    return SDL_FALSE;
+}
+
+static SDL_bool
+HIDAPI_DriverPS3ThirdParty_InitDevice(SDL_HIDAPI_Device *device)
+{
+    SDL_DriverPS3_Context *ctx;
+
+    ctx = (SDL_DriverPS3_Context *)SDL_calloc(1, sizeof(*ctx));
+    if (!ctx) {
+        SDL_OutOfMemory();
+        return SDL_FALSE;
+    }
+    ctx->device = device;
+
+    device->context = ctx;
+
+    device->type = SDL_CONTROLLER_TYPE_PS3;
+
+    return HIDAPI_JoystickConnected(device, NULL);
+}
+
+static int
+HIDAPI_DriverPS3ThirdParty_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
+{
+    return -1;
+}
+
+static void
+HIDAPI_DriverPS3ThirdParty_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
+{
+}
+
+static SDL_bool
+HIDAPI_DriverPS3ThirdParty_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    SDL_DriverPS3_Context *ctx = (SDL_DriverPS3_Context *)device->context;
+
+    ctx->joystick = joystick;
+    SDL_zeroa(ctx->last_state);
+
+    /* Initialize the joystick capabilities */
+    joystick->nbuttons = 15;
+    joystick->naxes = 16;
+    joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED;
+
+    return SDL_TRUE;
+}
+
+static int
+HIDAPI_DriverPS3ThirdParty_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
+{
+    return SDL_Unsupported();
+}
+
+static int
+HIDAPI_DriverPS3ThirdParty_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
+{
+    return SDL_Unsupported();
+}
+
+static Uint32
+HIDAPI_DriverPS3ThirdParty_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    return 0;
+}
+
+static int
+HIDAPI_DriverPS3ThirdParty_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
+{
+    return SDL_Unsupported();
+}
+
+static int
+HIDAPI_DriverPS3ThirdParty_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *effect, int size)
+{
+    return SDL_Unsupported();
+}
+
+static int
+HIDAPI_DriverPS3ThirdParty_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, SDL_bool enabled)
+{
+    return SDL_Unsupported();
+}
+
+static void
+HIDAPI_DriverPS3ThirdParty_HandleStatePacket(SDL_Joystick *joystick, SDL_DriverPS3_Context *ctx, Uint8 *data, int size)
+{
+    Sint16 axis;
+
+    if (ctx->last_state[0] != data[0]) {
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[0] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[0] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[0] & 0x04) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[0] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[0] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[0] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
+    }
+
+    if (ctx->last_state[1] != data[1]) {
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[1] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[1] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[1] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
+    }
+
+    if (ctx->last_state[2] != data[2]) {
+        SDL_bool dpad_up = SDL_FALSE;
+        SDL_bool dpad_down = SDL_FALSE;
+        SDL_bool dpad_left = SDL_FALSE;
+        SDL_bool dpad_right = SDL_FALSE;
+
+        switch (data[2] & 0x0f) {
+        case 0:
+            dpad_up = SDL_TRUE;
+            break;
+        case 1:
+            dpad_up = SDL_TRUE;
+            dpad_right = SDL_TRUE;
+            break;
+        case 2:
+            dpad_right = SDL_TRUE;
+            break;
+        case 3:
+            dpad_right = SDL_TRUE;
+            dpad_down = SDL_TRUE;
+            break;
+        case 4:
+            dpad_down = SDL_TRUE;
+            break;
+        case 5:
+            dpad_left = SDL_TRUE;
+            dpad_down = SDL_TRUE;
+            break;
+        case 6:
+            dpad_left = SDL_TRUE;
+            break;
+        case 7:
+            dpad_up = SDL_TRUE;
+            dpad_left = SDL_TRUE;
+            break;
+        default:
+            break;
+        }
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
+    }
+
+    axis = ((int)data[17] * 257) - 32768;
+    SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
+    axis = ((int)data[18] * 257) - 32768;
+    SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
+    axis = ((int)data[3] * 257) - 32768;
+    SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
+    axis = ((int)data[4] * 257) - 32768;
+    SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
+    axis = ((int)data[5] * 257) - 32768;
+    SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
+    axis = ((int)data[6] * 257) - 32768;
+    SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
+
+    /* Buttons are mapped as axes in the order they appear in the button enumeration */
+    {
+        static int button_axis_offsets[] = {
+            13, /* SDL_CONTROLLER_BUTTON_A */
+            12, /* SDL_CONTROLLER_BUTTON_B */
+            14, /* SDL_CONTROLLER_BUTTON_X */
+            11, /* SDL_CONTROLLER_BUTTON_Y */
+            0,  /* SDL_CONTROLLER_BUTTON_BACK */
+            0,  /* SDL_CONTROLLER_BUTTON_GUIDE */
+            0,  /* SDL_CONTROLLER_BUTTON_START */
+            0,  /* SDL_CONTROLLER_BUTTON_LEFTSTICK */
+            0,  /* SDL_CONTROLLER_BUTTON_RIGHTSTICK */
+            15, /* SDL_CONTROLLER_BUTTON_LEFTSHOULDER */
+            16, /* SDL_CONTROLLER_BUTTON_RIGHTSHOULDER */
+            9,  /* SDL_CONTROLLER_BUTTON_DPAD_UP */
+            10, /* SDL_CONTROLLER_BUTTON_DPAD_DOWN */
+            8,  /* SDL_CONTROLLER_BUTTON_DPAD_LEFT */
+            7,  /* SDL_CONTROLLER_BUTTON_DPAD_RIGHT */
+        };
+        int i, axis_index = 6;
+
+        for (i = 0; i < SDL_arraysize(button_axis_offsets); ++i) {
+            int offset = button_axis_offsets[i];
+            if (!offset) {
+                /* This button doesn't report as an axis */
+                continue;
+            }
+
+            axis = ((int)data[offset] * 257) - 32768;
+            SDL_PrivateJoystickAxis(joystick, axis_index, axis);
+            ++axis_index;
+        }
+    }
+
+    SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
+}
+
+static SDL_bool
+HIDAPI_DriverPS3ThirdParty_UpdateDevice(SDL_HIDAPI_Device *device)
+{
+    SDL_DriverPS3_Context *ctx = (SDL_DriverPS3_Context *)device->context;
+    SDL_Joystick *joystick = NULL;
+    Uint8 data[USB_PACKET_LENGTH];
+    int size;
+
+    if (device->num_joysticks > 0) {
+        joystick = SDL_JoystickFromInstanceID(device->joysticks[0]);
+    } else {
+        return SDL_FALSE;
+    }
+
+    while ((size = SDL_hid_read_timeout(device->dev, data, sizeof(data), 0)) > 0) {
+#ifdef DEBUG_PS3_PROTOCOL
+        HIDAPI_DumpPacket("PS3 packet: size = %d", data, size);
+#endif
+        if (!joystick) {
+            continue;
+        }
+
+        if (size == 27) {
+            HIDAPI_DriverPS3ThirdParty_HandleStatePacket(joystick, ctx, data, size);
+        } else {
+#ifdef DEBUG_JOYSTICK
+            SDL_Log("Unknown PS3 packet, size %d\n", size);
+#endif
+        }
+    }
+
+    if (size < 0) {
+        /* Read error, device is disconnected */
+        HIDAPI_JoystickDisconnected(device, device->joysticks[0]);
+    }
+    return (size >= 0);
+}
+
+static void
+HIDAPI_DriverPS3ThirdParty_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    SDL_DriverPS3_Context *ctx = (SDL_DriverPS3_Context *)device->context;
+
+    ctx->joystick = NULL;
+}
+
+static void
+HIDAPI_DriverPS3ThirdParty_FreeDevice(SDL_HIDAPI_Device *device)
+{
+}
+
+SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS3ThirdParty =
+{
+    SDL_HINT_JOYSTICK_HIDAPI_PS3,
+    SDL_TRUE,
+    HIDAPI_DriverPS3_RegisterHints,
+    HIDAPI_DriverPS3_UnregisterHints,
+    HIDAPI_DriverPS3ThirdParty_IsEnabled,
+    HIDAPI_DriverPS3ThirdParty_IsSupportedDevice,
+    HIDAPI_DriverPS3ThirdParty_InitDevice,
+    HIDAPI_DriverPS3ThirdParty_GetDevicePlayerIndex,
+    HIDAPI_DriverPS3ThirdParty_SetDevicePlayerIndex,
+    HIDAPI_DriverPS3ThirdParty_UpdateDevice,
+    HIDAPI_DriverPS3ThirdParty_OpenJoystick,
+    HIDAPI_DriverPS3ThirdParty_RumbleJoystick,
+    HIDAPI_DriverPS3ThirdParty_RumbleJoystickTriggers,
+    HIDAPI_DriverPS3ThirdParty_GetJoystickCapabilities,
+    HIDAPI_DriverPS3ThirdParty_SetJoystickLED,
+    HIDAPI_DriverPS3ThirdParty_SendJoystickEffect,
+    HIDAPI_DriverPS3ThirdParty_SetJoystickSensorsEnabled,
+    HIDAPI_DriverPS3ThirdParty_CloseJoystick,
+    HIDAPI_DriverPS3ThirdParty_FreeDevice,
+};
+
 #endif /* SDL_JOYSTICK_HIDAPI_PS3 */
 
 #endif /* SDL_JOYSTICK_HIDAPI */

src/joystick/hidapi/SDL_hidapijoystick.c

@@ -57,6 +57,7 @@ static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
 #endif
 #ifdef SDL_JOYSTICK_HIDAPI_PS3
     &SDL_HIDAPI_DriverPS3,
+    &SDL_HIDAPI_DriverPS3ThirdParty,
 #endif
 #ifdef SDL_JOYSTICK_HIDAPI_PS4
     &SDL_HIDAPI_DriverPS4,

src/joystick/hidapi/SDL_hidapijoystick_c.h

@@ -129,6 +129,7 @@ extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverJoyCons;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverLuna;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverNintendoClassic;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS3;
+extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS3ThirdParty;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS5;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverShield;