2018-10-05 16:23:21 +02:00
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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2018-10-06 05:14:42 +02:00
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#include <cstring>
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2018-10-05 16:23:21 +02:00
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#include "common/common_types.h"
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#include "core/core_timing.h"
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#include "core/frontend/emu_window.h"
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#include "core/frontend/input.h"
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#include "core/hle/service/hid/controllers/touchscreen.h"
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#include "core/settings.h"
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namespace Service::HID {
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2018-10-06 05:14:42 +02:00
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constexpr std::size_t SHARED_MEMORY_OFFSET = 0x400;
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2019-10-05 00:57:50 +02:00
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Controller_Touchscreen::Controller_Touchscreen(Core::System& system) : ControllerBase(system) {}
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2018-10-18 02:34:25 +02:00
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Controller_Touchscreen::~Controller_Touchscreen() = default;
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2018-10-06 05:14:42 +02:00
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2019-09-22 08:41:34 +02:00
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void Controller_Touchscreen::OnInit() {}
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2018-10-06 05:14:42 +02:00
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2018-10-05 16:23:21 +02:00
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void Controller_Touchscreen::OnRelease() {}
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2018-10-06 05:14:42 +02:00
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2019-02-14 18:42:58 +01:00
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void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
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std::size_t size) {
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2020-10-21 04:07:39 +02:00
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shared_memory.header.timestamp = core_timing.GetCPUTicks();
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2018-10-05 16:23:21 +02:00
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shared_memory.header.total_entry_count = 17;
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if (!IsControllerActivated()) {
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shared_memory.header.entry_count = 0;
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shared_memory.header.last_entry_index = 0;
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return;
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}
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shared_memory.header.entry_count = 16;
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2018-10-06 05:14:42 +02:00
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const auto& last_entry =
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2020-10-21 04:07:39 +02:00
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shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
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2018-10-05 16:23:21 +02:00
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shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
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2020-10-21 04:07:39 +02:00
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auto& cur_entry = shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
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2018-10-05 16:23:21 +02:00
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cur_entry.sampling_number = last_entry.sampling_number + 1;
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cur_entry.sampling_number2 = cur_entry.sampling_number;
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2021-01-01 03:40:55 +01:00
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updateTouchInputEvent(touch_device->GetStatus(), mouse_finger_id);
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updateTouchInputEvent(touch_btn_device->GetStatus(), keyboar_finger_id);
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std::array<Finger, 16> sorted_fingers;
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s32_le active_fingers = 0;
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for (Finger finger : fingers) {
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if (finger.pressed) {
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sorted_fingers[active_fingers++] = finger;
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}
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2018-10-05 16:23:21 +02:00
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}
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2021-01-01 03:40:55 +01:00
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const u64 tick = core_timing.GetCPUTicks();
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cur_entry.entry_count = active_fingers;
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for (size_t id = 0; id < MAX_FINGERS; id++) {
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auto& touch_entry = cur_entry.states[id];
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if (id < active_fingers) {
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touch_entry.x = static_cast<u16>(sorted_fingers[id].x * Layout::ScreenUndocked::Width);
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touch_entry.y = static_cast<u16>(sorted_fingers[id].y * Layout::ScreenUndocked::Height);
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touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
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touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
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touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
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touch_entry.delta_time = tick - sorted_fingers[id].last_touch;
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sorted_fingers[id].last_touch = tick;
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touch_entry.finger = sorted_fingers[id].id;
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touch_entry.attribute.raw = sorted_fingers[id].attribute.raw;
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} else {
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// Clear touch entry
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touch_entry.attribute.raw = 0;
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touch_entry.x = 0;
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touch_entry.y = 0;
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touch_entry.diameter_x = 0;
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touch_entry.diameter_y = 0;
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touch_entry.rotation_angle = 0;
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touch_entry.delta_time = 0;
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touch_entry.finger = 0;
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}
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}
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2018-10-05 16:23:21 +02:00
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std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(TouchScreenSharedMemory));
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}
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void Controller_Touchscreen::OnLoadInputDevices() {
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2018-11-02 03:02:44 +01:00
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touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touchscreen.device);
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2020-07-14 19:01:36 +02:00
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if (Settings::values.use_touch_from_button) {
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touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
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} else {
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touch_btn_device.reset();
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}
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2018-10-05 16:23:21 +02:00
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}
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2021-01-01 03:40:55 +01:00
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void Controller_Touchscreen::updateTouchInputEvent(
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const std::tuple<float, float, bool>& touch_input, int& finger_id) {
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bool pressed = false;
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float x, y;
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std::tie(x, y, pressed) = touch_input;
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if (pressed) {
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if (finger_id == -1) {
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int first_free_id = 0;
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int found = false;
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while (!found && first_free_id < MAX_FINGERS) {
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if (!fingers[first_free_id].pressed) {
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found = true;
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} else {
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first_free_id++;
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}
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}
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if (found) {
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finger_id = first_free_id;
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fingers[finger_id].x = x;
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fingers[finger_id].y = y;
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fingers[finger_id].pressed = true;
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fingers[finger_id].id = finger_id;
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fingers[finger_id].attribute.start_touch.Assign(1);
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}
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} else {
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fingers[finger_id].x = x;
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fingers[finger_id].y = y;
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fingers[finger_id].attribute.raw = 0;
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}
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} else if (finger_id != -1) {
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if (!fingers[finger_id].attribute.end_touch) {
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fingers[finger_id].attribute.end_touch.Assign(1);
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fingers[finger_id].attribute.start_touch.Assign(0);
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} else {
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fingers[finger_id].pressed = false;
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finger_id = -1;
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}
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}
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}
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2018-10-06 05:14:42 +02:00
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} // namespace Service::HID
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