diff options
Diffstat (limited to 'src/hid_core/resources/touch_screen/touch_screen_resource.cpp')
| -rw-r--r-- | src/hid_core/resources/touch_screen/touch_screen_resource.cpp | 579 |
1 files changed, 579 insertions, 0 deletions
diff --git a/src/hid_core/resources/touch_screen/touch_screen_resource.cpp b/src/hid_core/resources/touch_screen/touch_screen_resource.cpp new file mode 100644 index 000000000..56e8e8e51 --- /dev/null +++ b/src/hid_core/resources/touch_screen/touch_screen_resource.cpp @@ -0,0 +1,579 @@ +// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "common/logging/log.h" +#include "core/core_timing.h" +#include "core/hle/kernel/k_event.h" +#include "core/hle/kernel/k_shared_memory.h" +#include "core/hle/service/set/system_settings_server.h" +#include "core/hle/service/sm/sm.h" +#include "hid_core/hid_result.h" +#include "hid_core/resources/applet_resource.h" +#include "hid_core/resources/shared_memory_format.h" +#include "hid_core/resources/touch_screen/touch_screen_driver.h" +#include "hid_core/resources/touch_screen/touch_screen_resource.h" + +namespace Service::HID { +constexpr auto GestureUpdatePeriod = std::chrono::nanoseconds{4 * 1000 * 1000}; // (4ms, 1000Hz) + +TouchResource::TouchResource(Core::System& system_) : system{system_} { + m_set_sys = system.ServiceManager().GetService<Service::Set::ISystemSettingsServer>("set:sys"); +} + +TouchResource::~TouchResource() { + Finalize(); +}; + +Result TouchResource::ActivateTouch() { + if (global_ref_counter == std::numeric_limits<s32>::max() - 1 || + touch_ref_counter == std::numeric_limits<s32>::max() - 1) { + return ResultTouchOverflow; + } + + if (global_ref_counter == 0) { + std::scoped_lock lock{*shared_mutex}; + + const auto result = touch_driver->StartTouchSensor(); + if (result.IsError()) { + return result; + } + + is_initalized = true; + system.CoreTiming().ScheduleLoopingEvent(GestureUpdatePeriod, GestureUpdatePeriod, + timer_event); + current_touch_state = {}; + ReadTouchInput(); + gesture_handler.SetTouchState(current_touch_state.states, current_touch_state.entry_count, + 0); + } + + Set::TouchScreenMode touch_mode{Set::TouchScreenMode::Standard}; + m_set_sys->GetTouchScreenMode(touch_mode); + default_touch_screen_mode = static_cast<Core::HID::TouchScreenModeForNx>(touch_mode); + + global_ref_counter++; + touch_ref_counter++; + return ResultSuccess; +} + +Result TouchResource::ActivateTouch(u64 aruid) { + std::scoped_lock lock{*shared_mutex}; + + for (std::size_t aruid_index = 0; aruid_index < AruidIndexMax; aruid_index++) { + auto* applet_data = applet_resource->GetAruidDataByIndex(aruid_index); + TouchAruidData& touch_data = aruid_data[aruid_index]; + + if (!applet_data->flag.is_assigned) { + touch_data = {}; + continue; + } + + const u64 aruid_id = applet_data->aruid; + if (touch_data.aruid != aruid_id) { + touch_data = {}; + touch_data.aruid = aruid_id; + } + + if (aruid != aruid_id) { + continue; + } + + auto& touch_shared = applet_data->shared_memory_format->touch_screen; + + if (touch_shared.touch_screen_lifo.buffer_count == 0) { + StorePreviousTouchState(previous_touch_state, touch_data.finger_map, + current_touch_state, + applet_data->flag.enable_touchscreen.Value() != 0); + touch_shared.touch_screen_lifo.WriteNextEntry(previous_touch_state); + } + } + return ResultSuccess; +} + +Result TouchResource::ActivateGesture() { + if (global_ref_counter == std::numeric_limits<s32>::max() - 1 || + gesture_ref_counter == std::numeric_limits<s32>::max() - 1) { + return ResultGestureOverflow; + } + + // Initialize first instance + if (global_ref_counter == 0) { + const auto result = touch_driver->StartTouchSensor(); + if (result.IsError()) { + return result; + } + + is_initalized = true; + system.CoreTiming().ScheduleLoopingEvent(GestureUpdatePeriod, GestureUpdatePeriod, + timer_event); + current_touch_state = {}; + ReadTouchInput(); + gesture_handler.SetTouchState(current_touch_state.states, current_touch_state.entry_count, + 0); + } + + global_ref_counter++; + gesture_ref_counter++; + return ResultSuccess; +} + +Result TouchResource::ActivateGesture(u64 aruid, u32 basic_gesture_id) { + std::scoped_lock lock{*shared_mutex}; + + for (std::size_t aruid_index = 0; aruid_index < AruidIndexMax; aruid_index++) { + auto* applet_data = applet_resource->GetAruidDataByIndex(aruid_index); + TouchAruidData& touch_data = aruid_data[aruid_index]; + + if (!applet_data->flag.is_assigned) { + touch_data = {}; + continue; + } + + const u64 aruid_id = applet_data->aruid; + if (touch_data.aruid != aruid_id) { + touch_data = {}; + touch_data.aruid = aruid_id; + } + + if (aruid != aruid_id) { + continue; + } + + auto& gesture_shared = applet_data->shared_memory_format->gesture; + if (touch_data.basic_gesture_id != basic_gesture_id) { + gesture_shared.gesture_lifo.buffer_count = 0; + } + + if (gesture_shared.gesture_lifo.buffer_count == 0) { + touch_data.basic_gesture_id = basic_gesture_id; + + gesture_shared.gesture_lifo.WriteNextEntry(gesture_state); + } + } + + return ResultSuccess; +} + +Result TouchResource::DeactivateTouch() { + if (touch_ref_counter == 0 || global_ref_counter == 0) { + return ResultTouchNotInitialized; + } + + global_ref_counter--; + touch_ref_counter--; + + if (touch_ref_counter + global_ref_counter != 0) { + return ResultSuccess; + } + + return Finalize(); +} + +Result TouchResource::DeactivateGesture() { + if (gesture_ref_counter == 0 || global_ref_counter == 0) { + return ResultGestureNotInitialized; + } + + global_ref_counter--; + gesture_ref_counter--; + + if (touch_ref_counter + global_ref_counter != 0) { + return ResultSuccess; + } + + return Finalize(); +} + +bool TouchResource::IsTouchActive() const { + return touch_ref_counter != 0; +} + +bool TouchResource::IsGestureActive() const { + return gesture_ref_counter != 0; +} + +void TouchResource::SetTouchDriver(std::shared_ptr<TouchDriver> driver) { + touch_driver = driver; +} + +void TouchResource::SetAppletResource(std::shared_ptr<AppletResource> shared, + std::recursive_mutex* mutex) { + applet_resource = shared; + shared_mutex = mutex; +} + +void TouchResource::SetInputEvent(Kernel::KEvent* event, std::mutex* mutex) { + input_event = event; + input_mutex = mutex; +} + +void TouchResource::SetHandheldConfig(std::shared_ptr<HandheldConfig> config) { + handheld_config = config; +} + +void TouchResource::SetTimerEvent(std::shared_ptr<Core::Timing::EventType> event) { + timer_event = event; +} + +Result TouchResource::SetTouchScreenAutoPilotState(const AutoPilotState& auto_pilot_state) { + if (global_ref_counter == 0) { + return ResultTouchNotInitialized; + } + + if (!is_auto_pilot_initialized) { + is_auto_pilot_initialized = true; + auto_pilot = {}; + } + + TouchScreenState state = { + .entry_count = static_cast<s32>(auto_pilot_state.count), + .states = auto_pilot_state.state, + }; + + SanitizeInput(state); + + auto_pilot.count = state.entry_count; + auto_pilot.state = state.states; + return ResultSuccess; +} + +Result TouchResource::UnsetTouchScreenAutoPilotState() { + if (global_ref_counter == 0) { + return ResultTouchNotInitialized; + } + + is_auto_pilot_initialized = false; + auto_pilot = {}; + return ResultSuccess; +} + +Result TouchResource::RequestNextTouchInput() { + if (global_ref_counter == 0) { + return ResultTouchNotInitialized; + } + + if (handheld_config->is_handheld_hid_enabled) { + const Result result = touch_driver->WaitForInput(); + if (result.IsError()) { + return result; + } + } + + is_initalized = true; + return ResultSuccess; +} + +Result TouchResource::RequestNextDummyInput() { + if (global_ref_counter == 0) { + return ResultTouchNotInitialized; + } + + if (handheld_config->is_handheld_hid_enabled) { + const Result result = touch_driver->WaitForDummyInput(); + if (result.IsError()) { + return result; + } + } + + is_initalized = false; + return ResultSuccess; +} + +Result TouchResource::ProcessTouchScreenAutoTune() { + touch_driver->ProcessTouchScreenAutoTune(); + return ResultSuccess; +} + +void TouchResource::SetTouchScreenMagnification(f32 point1_x, f32 point1_y, f32 point2_x, + f32 point2_y) { + offset = { + .x = point1_x, + .y = point1_y, + }; + magnification = { + .x = point2_x, + .y = point2_y, + }; +} + +Result TouchResource::SetTouchScreenResolution(u32 width, u32 height, u64 aruid) { + std::scoped_lock lock{*shared_mutex}; + + for (std::size_t aruid_index = 0; aruid_index < AruidIndexMax; aruid_index++) { + const auto* applet_data = applet_resource->GetAruidDataByIndex(aruid_index); + TouchAruidData& data = aruid_data[aruid_index]; + + if (!applet_data->flag.is_assigned) { + continue; + } + if (aruid != data.aruid) { + continue; + } + data.resolution_width = static_cast<u16>(width); + data.resolution_height = static_cast<u16>(height); + } + + return ResultSuccess; +} + +Result TouchResource::SetTouchScreenConfiguration( + const Core::HID::TouchScreenConfigurationForNx& touch_configuration, u64 aruid) { + std::scoped_lock lock{*shared_mutex}; + + for (std::size_t aruid_index = 0; aruid_index < AruidIndexMax; aruid_index++) { + const auto* applet_data = applet_resource->GetAruidDataByIndex(aruid_index); + TouchAruidData& data = aruid_data[aruid_index]; + + if (!applet_data->flag.is_assigned) { + continue; + } + if (aruid != data.aruid) { + continue; + } + data.finger_map.touch_mode = touch_configuration.mode; + } + + return ResultSuccess; +} + +Result TouchResource::GetTouchScreenConfiguration( + Core::HID::TouchScreenConfigurationForNx& out_touch_configuration, u64 aruid) const { + std::scoped_lock lock{*shared_mutex}; + + for (std::size_t aruid_index = 0; aruid_index < AruidIndexMax; aruid_index++) { + const auto* applet_data = applet_resource->GetAruidDataByIndex(aruid_index); + const TouchAruidData& data = aruid_data[aruid_index]; + + if (!applet_data->flag.is_assigned) { + continue; + } + if (aruid != data.aruid) { + continue; + } + out_touch_configuration.mode = data.finger_map.touch_mode; + } + + return ResultSuccess; +} + +Result TouchResource::SetTouchScreenDefaultConfiguration( + const Core::HID::TouchScreenConfigurationForNx& touch_configuration) { + default_touch_screen_mode = touch_configuration.mode; + return ResultSuccess; +} + +Result TouchResource::GetTouchScreenDefaultConfiguration( + Core::HID::TouchScreenConfigurationForNx& out_touch_configuration) const { + out_touch_configuration.mode = default_touch_screen_mode; + return ResultSuccess; +} + +Result TouchResource::Finalize() { + is_auto_pilot_initialized = false; + auto_pilot = {}; + system.CoreTiming().UnscheduleEvent(timer_event); + + const auto result = touch_driver->StopTouchSensor(); + if (result.IsError()) { + return result; + } + + is_initalized = false; + return ResultSuccess; +} + +void TouchResource::StorePreviousTouchState(TouchScreenState& out_previous_touch, + TouchFingerMap& out_finger_map, + const TouchScreenState& current_touch, + bool is_touch_enabled) const { + s32 finger_count{}; + + if (is_touch_enabled) { + finger_count = current_touch.entry_count; + if (finger_count < 1) { + out_finger_map.finger_count = 0; + out_finger_map.finger_ids = {}; + out_previous_touch.sampling_number = current_touch.sampling_number; + out_previous_touch.entry_count = 0; + out_previous_touch.states = {}; + return; + } + for (std::size_t i = 0; i < static_cast<u32>(finger_count); i++) { + out_finger_map.finger_ids[i] = current_touch.states[i].finger; + out_previous_touch.states[i] = current_touch.states[i]; + } + out_finger_map.finger_count = finger_count; + return; + } + + if (!is_touch_enabled && out_finger_map.finger_count > 0 && current_touch.entry_count > 0) { + // TODO + } + + // Zero out unused entries + for (std::size_t i = finger_count; i < MaxFingers; i++) { + out_finger_map.finger_ids[i] = 0; + out_previous_touch.states[i] = {}; + } + + out_previous_touch.sampling_number = current_touch.sampling_number; + out_previous_touch.entry_count = finger_count; +} + +void TouchResource::ReadTouchInput() { + previous_touch_state = current_touch_state; + + if (!is_initalized || !handheld_config->is_handheld_hid_enabled || !touch_driver->IsRunning()) { + touch_driver->WaitForDummyInput(); + } else { + touch_driver->WaitForInput(); + } + + touch_driver->GetNextTouchState(current_touch_state); + SanitizeInput(current_touch_state); + current_touch_state.sampling_number = sample_number; + sample_number++; + + if (is_auto_pilot_initialized && current_touch_state.entry_count == 0) { + const std::size_t finger_count = static_cast<std::size_t>(auto_pilot.count); + current_touch_state.entry_count = static_cast<s32>(finger_count); + for (std::size_t i = 0; i < finger_count; i++) { + current_touch_state.states[i] = auto_pilot.state[i]; + } + + std::size_t index = 0; + for (std::size_t i = 0; i < finger_count; i++) { + if (auto_pilot.state[i].attribute.end_touch) { + continue; + } + auto_pilot.state[i].attribute.raw = 0; + auto_pilot.state[index] = auto_pilot.state[i]; + index++; + } + + auto_pilot.count = index; + for (std::size_t i = index; i < auto_pilot.state.size(); i++) { + auto_pilot.state[i] = {}; + } + } + + for (std::size_t i = 0; i < static_cast<std::size_t>(current_touch_state.entry_count); i++) { + auto& state = current_touch_state.states[i]; + state.position.x = static_cast<u32>((magnification.y * static_cast<f32>(state.position.x)) + + (offset.x * static_cast<f32>(TouchSensorWidth))); + state.position.y = static_cast<u32>((magnification.y * static_cast<f32>(state.position.y)) + + (offset.x * static_cast<f32>(TouchSensorHeight))); + state.diameter_x = static_cast<u32>(magnification.x * static_cast<f32>(state.diameter_x)); + state.diameter_y = static_cast<u32>(magnification.y * static_cast<f32>(state.diameter_y)); + } + + std::size_t index = 0; + for (std::size_t i = 0; i < static_cast<std::size_t>(current_touch_state.entry_count); i++) { + const auto& old_state = current_touch_state.states[i]; + auto& state = current_touch_state.states[index]; + if ((TouchSensorWidth <= old_state.position.x) || + (TouchSensorHeight <= old_state.position.y)) { + continue; + } + state = old_state; + index++; + } + current_touch_state.entry_count = static_cast<s32>(index); + + SanitizeInput(current_touch_state); + + std::scoped_lock lock{*input_mutex}; + if (current_touch_state.entry_count == previous_touch_state.entry_count) { + if (current_touch_state.entry_count < 1) { + return; + } + bool has_moved = false; + for (std::size_t i = 0; i < static_cast<std::size_t>(current_touch_state.entry_count); + i++) { + s32 delta_x = std::abs(static_cast<s32>(current_touch_state.states[i].position.x) - + static_cast<s32>(previous_touch_state.states[i].position.x)); + s32 delta_y = std::abs(static_cast<s32>(current_touch_state.states[i].position.y) - + static_cast<s32>(previous_touch_state.states[i].position.y)); + if (delta_x > 1 || delta_y > 1) { + has_moved = true; + } + } + if (!has_moved) { + return; + } + } + + input_event->Signal(); +} + +void TouchResource::OnTouchUpdate(s64 timestamp) { + if (global_ref_counter == 0) { + return; + } + + ReadTouchInput(); + gesture_handler.SetTouchState(current_touch_state.states, current_touch_state.entry_count, + timestamp); + + std::scoped_lock lock{*shared_mutex}; + + for (std::size_t aruid_index = 0; aruid_index < AruidIndexMax; aruid_index++) { + const auto* applet_data = applet_resource->GetAruidDataByIndex(aruid_index); + TouchAruidData& data = aruid_data[aruid_index]; + + if (applet_data == nullptr || !applet_data->flag.is_assigned) { + data = {}; + continue; + } + + if (data.aruid != applet_data->aruid) { + data = {}; + data.aruid = applet_data->aruid; + } + + if (gesture_ref_counter != 0) { + if (!applet_data->flag.enable_touchscreen) { + gesture_state = {}; + } + if (gesture_handler.NeedsUpdate()) { + gesture_handler.UpdateGestureState(gesture_state, timestamp); + auto& gesture_shared = applet_data->shared_memory_format->gesture; + gesture_shared.gesture_lifo.WriteNextEntry(gesture_state); + } + } + + if (touch_ref_counter != 0) { + auto touch_mode = data.finger_map.touch_mode; + if (touch_mode == Core::HID::TouchScreenModeForNx::UseSystemSetting) { + touch_mode = default_touch_screen_mode; + } + + if (applet_resource->GetActiveAruid() == applet_data->aruid && + touch_mode != Core::HID::TouchScreenModeForNx::UseSystemSetting && is_initalized && + handheld_config->is_handheld_hid_enabled && touch_driver->IsRunning()) { + touch_driver->SetTouchMode(touch_mode); + } + + auto& touch_shared = applet_data->shared_memory_format->touch_screen; + StorePreviousTouchState(previous_touch_state, data.finger_map, current_touch_state, + applet_data->flag.enable_touchscreen.As<bool>()); + touch_shared.touch_screen_lifo.WriteNextEntry(current_touch_state); + } + } +} + +void TouchResource::SanitizeInput(TouchScreenState& state) const { + for (std::size_t i = 0; i < static_cast<std::size_t>(state.entry_count); i++) { + auto& entry = state.states[i]; + entry.position.x = + std::clamp(entry.position.x, TouchBorders, TouchSensorWidth - TouchBorders - 1); + entry.position.y = + std::clamp(entry.position.y, TouchBorders, TouchSensorHeight - TouchBorders - 1); + entry.diameter_x = std::clamp(entry.diameter_x, 0u, TouchSensorWidth - MaxTouchDiameter); + entry.diameter_y = std::clamp(entry.diameter_y, 0u, TouchSensorHeight - MaxTouchDiameter); + entry.rotation_angle = + std::clamp(entry.rotation_angle, -MaxRotationAngle, MaxRotationAngle); + } +} + +} // namespace Service::HID |