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-rw-r--r--src/core/frontend/emu_window.cpp43
-rw-r--r--src/core/frontend/emu_window.h13
-rw-r--r--src/core/frontend/input.h7
-rw-r--r--src/core/hle/service/hid/controllers/touchscreen.cpp127
-rw-r--r--src/core/hle/service/hid/controllers/touchscreen.h32
5 files changed, 167 insertions, 55 deletions
diff --git a/src/core/frontend/emu_window.cpp b/src/core/frontend/emu_window.cpp
index 8c1193894..ee7a58b1c 100644
--- a/src/core/frontend/emu_window.cpp
+++ b/src/core/frontend/emu_window.cpp
@@ -21,21 +21,18 @@ public:
std::mutex mutex;
- bool touch_pressed = false; ///< True if touchpad area is currently pressed, otherwise false
-
- float touch_x = 0.0f; ///< Touchpad X-position
- float touch_y = 0.0f; ///< Touchpad Y-position
+ Input::TouchStatus status;
private:
class Device : public Input::TouchDevice {
public:
explicit Device(std::weak_ptr<TouchState>&& touch_state) : touch_state(touch_state) {}
- std::tuple<float, float, bool> GetStatus() const override {
+ Input::TouchStatus GetStatus() const override {
if (auto state = touch_state.lock()) {
std::lock_guard guard{state->mutex};
- return std::make_tuple(state->touch_x, state->touch_y, state->touch_pressed);
+ return state->status;
}
- return std::make_tuple(0.0f, 0.0f, false);
+ return {};
}
private:
@@ -79,36 +76,44 @@ std::tuple<unsigned, unsigned> EmuWindow::ClipToTouchScreen(unsigned new_x, unsi
return std::make_tuple(new_x, new_y);
}
-void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
- if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
+void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id) {
+ if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) {
return;
+ }
+ if (id >= touch_state->status.size()) {
+ return;
+ }
std::lock_guard guard{touch_state->mutex};
- touch_state->touch_x =
+ const float x =
static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
static_cast<float>(framebuffer_layout.screen.right - framebuffer_layout.screen.left);
- touch_state->touch_y =
+ const float y =
static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
static_cast<float>(framebuffer_layout.screen.bottom - framebuffer_layout.screen.top);
- touch_state->touch_pressed = true;
+ touch_state->status[id] = std::make_tuple(x, y, true);
}
-void EmuWindow::TouchReleased() {
+void EmuWindow::TouchReleased(std::size_t id) {
+ if (id >= touch_state->status.size()) {
+ return;
+ }
std::lock_guard guard{touch_state->mutex};
- touch_state->touch_pressed = false;
- touch_state->touch_x = 0;
- touch_state->touch_y = 0;
+ touch_state->status[id] = std::make_tuple(0.0f, 0.0f, false);
}
-void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {
- if (!touch_state->touch_pressed)
+void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id) {
+ if (id >= touch_state->status.size()) {
+ return;
+ }
+ if (!std::get<2>(touch_state->status[id]))
return;
if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
- TouchPressed(framebuffer_x, framebuffer_y);
+ TouchPressed(framebuffer_x, framebuffer_y, id);
}
void EmuWindow::UpdateCurrentFramebufferLayout(unsigned width, unsigned height) {
diff --git a/src/core/frontend/emu_window.h b/src/core/frontend/emu_window.h
index 276d2b906..2436c6580 100644
--- a/src/core/frontend/emu_window.h
+++ b/src/core/frontend/emu_window.h
@@ -117,18 +117,23 @@ public:
* Signal that a touch pressed event has occurred (e.g. mouse click pressed)
* @param framebuffer_x Framebuffer x-coordinate that was pressed
* @param framebuffer_y Framebuffer y-coordinate that was pressed
+ * @param id Touch event ID
*/
- void TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y);
+ void TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id);
- /// Signal that a touch released event has occurred (e.g. mouse click released)
- void TouchReleased();
+ /**
+ * Signal that a touch released event has occurred (e.g. mouse click released)
+ * @param id Touch event ID
+ */
+ void TouchReleased(std::size_t id);
/**
* Signal that a touch movement event has occurred (e.g. mouse was moved over the emu window)
* @param framebuffer_x Framebuffer x-coordinate
* @param framebuffer_y Framebuffer y-coordinate
+ * @param id Touch event ID
*/
- void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y);
+ void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id);
/**
* Returns currently active configuration.
diff --git a/src/core/frontend/input.h b/src/core/frontend/input.h
index de51a754e..f014dfea3 100644
--- a/src/core/frontend/input.h
+++ b/src/core/frontend/input.h
@@ -163,10 +163,11 @@ using MotionStatus = std::tuple<Common::Vec3<float>, Common::Vec3<float>, Common
using MotionDevice = InputDevice<MotionStatus>;
/**
- * A touch status is an object that returns a tuple of two floats and a bool. The floats are
- * x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is pressed.
+ * A touch status is an object that returns an array of 16 tuple elements of two floats and a bool.
+ * The floats are x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is
+ * pressed.
*/
-using TouchStatus = std::tuple<float, float, bool>;
+using TouchStatus = std::array<std::tuple<float, float, bool>, 16>;
/**
* A touch device is an input device that returns a touch status object
diff --git a/src/core/hle/service/hid/controllers/touchscreen.cpp b/src/core/hle/service/hid/controllers/touchscreen.cpp
index 0df395e85..5219f2dad 100644
--- a/src/core/hle/service/hid/controllers/touchscreen.cpp
+++ b/src/core/hle/service/hid/controllers/touchscreen.cpp
@@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <algorithm>
#include <cstring>
#include "common/common_types.h"
#include "core/core_timing.h"
@@ -16,7 +17,13 @@ constexpr std::size_t SHARED_MEMORY_OFFSET = 0x400;
Controller_Touchscreen::Controller_Touchscreen(Core::System& system) : ControllerBase(system) {}
Controller_Touchscreen::~Controller_Touchscreen() = default;
-void Controller_Touchscreen::OnInit() {}
+void Controller_Touchscreen::OnInit() {
+ for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
+ mouse_finger_id[id] = MAX_FINGERS;
+ keyboard_finger_id[id] = MAX_FINGERS;
+ udp_finger_id[id] = MAX_FINGERS;
+ }
+}
void Controller_Touchscreen::OnRelease() {}
@@ -40,38 +47,106 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
cur_entry.sampling_number = last_entry.sampling_number + 1;
cur_entry.sampling_number2 = cur_entry.sampling_number;
- bool pressed = false;
- float x, y;
- std::tie(x, y, pressed) = touch_device->GetStatus();
- auto& touch_entry = cur_entry.states[0];
- touch_entry.attribute.raw = 0;
- if (!pressed && touch_btn_device) {
- std::tie(x, y, pressed) = touch_btn_device->GetStatus();
+ const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
+ const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
+ for (std::size_t id = 0; id < mouse_status.size(); ++id) {
+ mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
+ udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
}
- if (pressed && Settings::values.touchscreen.enabled) {
- touch_entry.x = static_cast<u16>(x * Layout::ScreenUndocked::Width);
- touch_entry.y = static_cast<u16>(y * Layout::ScreenUndocked::Height);
- touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
- touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
- touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
- const u64 tick = core_timing.GetCPUTicks();
- touch_entry.delta_time = tick - last_touch;
- last_touch = tick;
- touch_entry.finger = Settings::values.touchscreen.finger;
- cur_entry.entry_count = 1;
- } else {
- cur_entry.entry_count = 0;
+
+ if (Settings::values.use_touch_from_button) {
+ const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
+ for (std::size_t id = 0; id < mouse_status.size(); ++id) {
+ keyboard_finger_id[id] =
+ UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
+ }
}
+ std::array<Finger, 16> active_fingers;
+ const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
+ [](const auto& finger) { return finger.pressed; });
+ const auto active_fingers_count =
+ static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
+
+ const u64 tick = core_timing.GetCPUTicks();
+ cur_entry.entry_count = static_cast<s32_le>(active_fingers_count);
+ for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
+ auto& touch_entry = cur_entry.states[id];
+ if (id < active_fingers_count) {
+ touch_entry.x = static_cast<u16>(active_fingers[id].x * Layout::ScreenUndocked::Width);
+ touch_entry.y = static_cast<u16>(active_fingers[id].y * Layout::ScreenUndocked::Height);
+ touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
+ touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
+ touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
+ touch_entry.delta_time = tick - active_fingers[id].last_touch;
+ fingers[active_fingers[id].id].last_touch = tick;
+ touch_entry.finger = active_fingers[id].id;
+ touch_entry.attribute.raw = active_fingers[id].attribute.raw;
+ } else {
+ // Clear touch entry
+ touch_entry.attribute.raw = 0;
+ touch_entry.x = 0;
+ touch_entry.y = 0;
+ touch_entry.diameter_x = 0;
+ touch_entry.diameter_y = 0;
+ touch_entry.rotation_angle = 0;
+ touch_entry.delta_time = 0;
+ touch_entry.finger = 0;
+ }
+ }
std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(TouchScreenSharedMemory));
}
void Controller_Touchscreen::OnLoadInputDevices() {
- touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touchscreen.device);
- if (Settings::values.use_touch_from_button) {
- touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
- } else {
- touch_btn_device.reset();
+ touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
+ touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
+ touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
+}
+
+std::optional<std::size_t> Controller_Touchscreen::GetUnusedFingerID() const {
+ std::size_t first_free_id = 0;
+ while (first_free_id < MAX_FINGERS) {
+ if (!fingers[first_free_id].pressed) {
+ return first_free_id;
+ } else {
+ first_free_id++;
+ }
+ }
+ return std::nullopt;
+}
+
+std::size_t Controller_Touchscreen::UpdateTouchInputEvent(
+ const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
+ const auto& [x, y, pressed] = touch_input;
+ if (pressed) {
+ Attributes attribute{};
+ if (finger_id == MAX_FINGERS) {
+ const auto first_free_id = GetUnusedFingerID();
+ if (!first_free_id) {
+ // Invalid finger id do nothing
+ return MAX_FINGERS;
+ }
+ finger_id = first_free_id.value();
+ fingers[finger_id].pressed = true;
+ fingers[finger_id].id = static_cast<u32_le>(finger_id);
+ attribute.start_touch.Assign(1);
+ }
+ fingers[finger_id].x = x;
+ fingers[finger_id].y = y;
+ fingers[finger_id].attribute = attribute;
+ return finger_id;
}
+
+ if (finger_id != MAX_FINGERS) {
+ if (!fingers[finger_id].attribute.end_touch) {
+ fingers[finger_id].attribute.end_touch.Assign(1);
+ fingers[finger_id].attribute.start_touch.Assign(0);
+ return finger_id;
+ }
+ fingers[finger_id].pressed = false;
+ }
+
+ return MAX_FINGERS;
}
+
} // namespace Service::HID
diff --git a/src/core/hle/service/hid/controllers/touchscreen.h b/src/core/hle/service/hid/controllers/touchscreen.h
index 4d9042adc..784124e25 100644
--- a/src/core/hle/service/hid/controllers/touchscreen.h
+++ b/src/core/hle/service/hid/controllers/touchscreen.h
@@ -30,6 +30,18 @@ public:
void OnLoadInputDevices() override;
private:
+ static constexpr std::size_t MAX_FINGERS = 16;
+
+ // Returns an unused finger id, if there is no fingers available std::nullopt will be returned
+ std::optional<std::size_t> GetUnusedFingerID() const;
+
+ // If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
+ // changes will be made. Updates the coordinates if the finger id it's already set. If the touch
+ // ends delays the output by one frame to set the end_touch flag before finally freeing the
+ // finger id
+ std::size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
+ std::size_t finger_id);
+
struct Attributes {
union {
u32 raw{};
@@ -55,7 +67,7 @@ private:
s64_le sampling_number;
s64_le sampling_number2;
s32_le entry_count;
- std::array<TouchState, 16> states;
+ std::array<TouchState, MAX_FINGERS> states;
};
static_assert(sizeof(TouchScreenEntry) == 0x298, "TouchScreenEntry is an invalid size");
@@ -66,9 +78,23 @@ private:
};
static_assert(sizeof(TouchScreenSharedMemory) == 0x3000,
"TouchScreenSharedMemory is an invalid size");
+
+ struct Finger {
+ u64_le last_touch{};
+ float x{};
+ float y{};
+ u32_le id{};
+ bool pressed{};
+ Attributes attribute;
+ };
+
TouchScreenSharedMemory shared_memory{};
- std::unique_ptr<Input::TouchDevice> touch_device;
+ std::unique_ptr<Input::TouchDevice> touch_mouse_device;
+ std::unique_ptr<Input::TouchDevice> touch_udp_device;
std::unique_ptr<Input::TouchDevice> touch_btn_device;
- s64_le last_touch{};
+ std::array<std::size_t, MAX_FINGERS> mouse_finger_id;
+ std::array<std::size_t, MAX_FINGERS> keyboard_finger_id;
+ std::array<std::size_t, MAX_FINGERS> udp_finger_id;
+ std::array<Finger, MAX_FINGERS> fingers;
};
} // namespace Service::HID
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 23:22:43 +0100