| /* |
| * Copyright (C) 2020 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "config.h" |
| #import "VirtualGamepad.h" |
| |
| #if USE(APPLE_INTERNAL_SDK) |
| |
| #import <HID/HIDUserDevice.h> |
| |
| namespace TestWebKitAPI { |
| |
| const uint8_t StadiaDescriptor[] = { |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x09, 0x05, // Usage (Game Pad) |
| 0xA1, 0x01, // Collection (Application) |
| // (1) byte report ID - (1) byte total |
| 0x85, 0x03, // Report ID (3) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x75, 0x04, // Report Size (4) |
| 0x95, 0x01, // Report Count (1) |
| 0x25, 0x07, // Logical Maximum (7) |
| 0x46, 0x3B, 0x01, // Physical Maximum (315) |
| 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter) |
| 0x09, 0x39, // Usage (Hat switch) |
| // (4) bit hatswitch - (1) byte (4) bits total |
| 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) |
| 0x45, 0x00, // Physical Maximum (0) |
| 0x65, 0x00, // Unit (None) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x04, // Report Count (4) |
| // (4) bit padding - (2) bytes total |
| 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x05, 0x09, // Usage Page (Button) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x0F, // Report Count (15) |
| 0x09, 0x12, // Usage (0x12) |
| 0x09, 0x11, // Usage (0x11) |
| 0x09, 0x14, // Usage (0x14) |
| 0x09, 0x13, // Usage (0x13) |
| 0x09, 0x0D, // Usage (0x0D) |
| 0x09, 0x0C, // Usage (0x0C) |
| 0x09, 0x0B, // Usage (0x0B) |
| 0x09, 0x0F, // Usage (0x0F) |
| 0x09, 0x0E, // Usage (0x0E) |
| 0x09, 0x08, // Usage (0x08) |
| 0x09, 0x07, // Usage (0x07) |
| 0x09, 0x05, // Usage (0x05) |
| 0x09, 0x04, // Usage (0x04) |
| 0x09, 0x02, // Usage (0x02) |
| 0x09, 0x01, // Usage (0x01) |
| // (15) buttons - (3) bytes (7) bits total |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| // (1) padding - (4) bytes total |
| 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x15, 0x01, // Logical Minimum (1) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x09, 0x01, // Usage (Pointer) |
| 0xA1, 0x00, // Collection (Physical) |
| 0x09, 0x30, // Usage (X) |
| 0x09, 0x31, // Usage (Y) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x02, // Report Count (2) |
| // (2) axes 1 byte each - (6) bytes total |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| 0x09, 0x01, // Usage (Pointer) |
| 0xA1, 0x00, // Collection (Physical) |
| 0x09, 0x32, // Usage (Z) |
| 0x09, 0x35, // Usage (Rz) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x02, // Report Count (2) |
| // (2) axes 1 byte each - (8) bytes total |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| 0x05, 0x02, // Usage Page (Sim Ctrls) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x02, // Report Count (2) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x09, 0xC5, // Usage (Brake) |
| 0x09, 0xC4, // Usage (Accelerator) |
| // (2) "analog buttons"" 1 byte each - (10) bytes total |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x05, 0x0C, // Usage Page (Consumer) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x09, 0xE9, // Usage (Volume Increment) |
| 0x09, 0xEA, // Usage (Volume Decrement) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x02, // Report Count (2) |
| // (2) 1 bit buttons - (10) bytes (2) bits total |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x09, 0xCD, // Usage (Play/Pause) |
| 0x95, 0x01, // Report Count (1) |
| // (1) 1 bit buttons - (10) bytes (3) bits total |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x05, // Report Count (5) |
| // (5) bits padding - (11) bytes total |
| 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x85, 0x05, // Report ID (5) |
| 0x06, 0x0F, 0x00, // Usage Page (PID Page) |
| 0x09, 0x97, // Usage (0x97) |
| 0x75, 0x10, // Report Size (16) |
| 0x95, 0x02, // Report Count (2) |
| 0x27, 0xFF, 0xFF, 0x00, 0x00, // Logical Maximum (65534) |
| 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| }; |
| |
| // FIXME: Hatswitch is not yet addressable by test |
| const size_t StadiaButtonCount = 19; |
| const size_t StadiaAxisCount = 4; |
| const size_t StadiaReportSize = 11; |
| const char* StadiaName = "Virtual Stadia"; |
| |
| // Report layout: |
| // |ReportID| |Pad, 4bit hat| |8 buttons| |Pad 7 buttons| |X| |Y| |Z| |Rz| |Brake| |Accelerator| |Pad, vup vdown pause| |
| |
| // Brake and acclerator are analog values for back shoulder buttons, which are also represented in the 15 digital buttons |
| // I cannot identify physical actuators for volume-up, volume-down, and pause. |
| |
| static void publishReportCallback(Vector<float>& buttonValues, Vector<float>& axisValues, HIDUserDevice *userDevice) |
| { |
| uint8_t reportData[StadiaReportSize]; |
| bzero(reportData, StadiaReportSize); |
| size_t reportIndex = 0; |
| |
| // Report ID (Normal input report is #3) |
| reportData[reportIndex++] = 0x03; |
| |
| // No interface to change hatswitch value at this time |
| reportData[reportIndex++] = 0x08; |
| |
| // Digital buttons span the next 2 bytes |
| uint8_t buttonByte = 0x00; |
| long buttonBit; |
| for (size_t i = 0; i < 8; ++i) { |
| buttonBit = lround(buttonValues[i]); |
| buttonByte |= buttonBit << i; |
| } |
| reportData[reportIndex++] = buttonByte; |
| |
| buttonByte = 0x00; |
| for (size_t i = 8; i < 15; ++i) { |
| buttonBit = lround(buttonValues[i]); |
| buttonByte |= buttonBit << (i - 8); |
| } |
| reportData[reportIndex++] = buttonByte; |
| |
| // Axes (1 byte each) |
| for (size_t i = 0; i < 4; ++i) |
| reportData[reportIndex++] = (uint8_t)(axisValues[i] * 255); |
| |
| // Brake and Accelerator are also button 14 and 15 |
| reportData[reportIndex++] = (uint8_t)(buttonValues[13] * 255); |
| reportData[reportIndex++] = (uint8_t)(buttonValues[14] * 255); |
| |
| // Final byte has 5 padding bits, 3 button bits in it, but no way to actuate them |
| reportData[reportIndex++] = 0x00; |
| |
| auto nsReportData = adoptNS([[NSData alloc] initWithBytes:reportData length:StadiaReportSize]); |
| [userDevice handleReport:nsReportData.get() error:nil]; |
| } |
| |
| GamepadMapping VirtualGamepad::googleStadiaMapping() |
| { |
| return { |
| StadiaDescriptor, |
| sizeof(StadiaDescriptor), |
| StadiaName, |
| HIDVendorID::Google, |
| HIDProductID::StadiaA, |
| StadiaButtonCount, |
| StadiaAxisCount, |
| publishReportCallback |
| }; |
| } |
| |
| } // namespace TestWebKitAPI |
| |
| #endif // USE(APPLE_INTERNAL_SDK) |
