9e726a9250
Now all that remains is for kernel code to be 'shadow-free' and then -Wshadow can be turned into an error.
100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
// 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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#pragma once
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/frontend/input.h"
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#include "core/hle/service/hid/controllers/controller_base.h"
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namespace Service::HID {
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class Controller_Touchscreen final : public ControllerBase {
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public:
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explicit Controller_Touchscreen(Core::System& system_);
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~Controller_Touchscreen() override;
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// Called when the controller is initialized
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void OnInit() override;
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// When the controller is released
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void OnRelease() override;
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// When the controller is requesting an update for the shared memory
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void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
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// Called when input devices should be loaded
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void OnLoadInputDevices() override;
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private:
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static constexpr std::size_t MAX_FINGERS = 16;
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// Returns an unused finger id, if there is no fingers available std::nullopt will be returned
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std::optional<std::size_t> GetUnusedFingerID() const;
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// If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
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// changes will be made. Updates the coordinates if the finger id it's already set. If the touch
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// ends delays the output by one frame to set the end_touch flag before finally freeing the
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// finger id
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std::size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
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std::size_t finger_id);
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struct Attributes {
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union {
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u32 raw{};
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BitField<0, 1, u32> start_touch;
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BitField<1, 1, u32> end_touch;
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};
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};
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static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
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struct TouchState {
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u64_le delta_time;
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Attributes attribute;
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u32_le finger;
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u32_le x;
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u32_le y;
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u32_le diameter_x;
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u32_le diameter_y;
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u32_le rotation_angle;
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};
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static_assert(sizeof(TouchState) == 0x28, "Touchstate is an invalid size");
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struct TouchScreenEntry {
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s64_le sampling_number;
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s64_le sampling_number2;
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s32_le entry_count;
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std::array<TouchState, MAX_FINGERS> states;
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};
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static_assert(sizeof(TouchScreenEntry) == 0x298, "TouchScreenEntry is an invalid size");
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struct TouchScreenSharedMemory {
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CommonHeader header;
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std::array<TouchScreenEntry, 17> shared_memory_entries{};
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INSERT_PADDING_BYTES(0x3c8);
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};
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static_assert(sizeof(TouchScreenSharedMemory) == 0x3000,
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"TouchScreenSharedMemory is an invalid size");
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struct Finger {
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u64_le last_touch{};
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float x{};
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float y{};
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u32_le id{};
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bool pressed{};
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Attributes attribute;
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};
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TouchScreenSharedMemory shared_memory{};
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std::unique_ptr<Input::TouchDevice> touch_mouse_device;
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std::unique_ptr<Input::TouchDevice> touch_udp_device;
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std::unique_ptr<Input::TouchDevice> touch_btn_device;
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std::array<std::size_t, MAX_FINGERS> mouse_finger_id;
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std::array<std::size_t, MAX_FINGERS> keyboard_finger_id;
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std::array<std::size_t, MAX_FINGERS> udp_finger_id;
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std::array<Finger, MAX_FINGERS> fingers;
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};
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} // namespace Service::HID
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