1 files changed, 91 insertions, 0 deletions
diff --git a/src/hid_core/irsensor/moment_processor.h b/src/hid_core/irsensor/moment_processor.h
new file mode 100644
index 000000000..78c9c035f
--- /dev/null
+++ b/src/hid_core/irsensor/moment_processor.h
@@ -0,0 +1,91 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "hid_core/irsensor/irs_types.h"
+#include "hid_core/irsensor/processor_base.h"
+#include "hid_core/resources/irs_ring_lifo.h"
+
+namespace Core {
+class System;
+}
+
+namespace Core::HID {
+class EmulatedController;
+} // namespace Core::HID
+
+namespace Service::IRS {
+class MomentProcessor final : public ProcessorBase {
+public:
+    explicit MomentProcessor(Core::System& system_, Core::IrSensor::DeviceFormat& device_format,
+                             std::size_t npad_index);
+    ~MomentProcessor() override;
+
+    // Called when the processor is initialized
+    void StartProcessor() override;
+
+    // Called when the processor is suspended
+    void SuspendProcessor() override;
+
+    // Called when the processor is stopped
+    void StopProcessor() override;
+
+    // Sets config parameters of the camera
+    void SetConfig(Core::IrSensor::PackedMomentProcessorConfig config);
+
+private:
+    static constexpr std::size_t Columns = 8;
+    static constexpr std::size_t Rows = 6;
+
+    // This is nn::irsensor::MomentProcessorConfig
+    struct MomentProcessorConfig {
+        Core::IrSensor::CameraConfig camera_config;
+        Core::IrSensor::IrsRect window_of_interest;
+        Core::IrSensor::MomentProcessorPreprocess preprocess;
+        u32 preprocess_intensity_threshold;
+    };
+    static_assert(sizeof(MomentProcessorConfig) == 0x28,
+                  "MomentProcessorConfig is an invalid size");
+
+    // This is nn::irsensor::MomentStatistic
+    struct MomentStatistic {
+        f32 average_intensity;
+        Core::IrSensor::IrsCentroid centroid;
+    };
+    static_assert(sizeof(MomentStatistic) == 0xC, "MomentStatistic is an invalid size");
+
+    // This is nn::irsensor::MomentProcessorState
+    struct MomentProcessorState {
+        s64 sampling_number;
+        u64 timestamp;
+        Core::IrSensor::CameraAmbientNoiseLevel ambient_noise_level;
+        INSERT_PADDING_BYTES(4);
+        std::array<MomentStatistic, Columns * Rows> statistic;
+    };
+    static_assert(sizeof(MomentProcessorState) == 0x258, "MomentProcessorState is an invalid size");
+
+    struct MomentSharedMemory {
+        Service::IRS::Lifo<MomentProcessorState, 6> moment_lifo;
+    };
+    static_assert(sizeof(MomentSharedMemory) == 0xE20, "MomentSharedMemory is an invalid size");
+
+    void OnControllerUpdate(Core::HID::ControllerTriggerType type);
+    u8 GetPixel(const std::vector<u8>& data, std::size_t x, std::size_t y) const;
+    MomentStatistic GetStatistic(const std::vector<u8>& data, std::size_t start_x,
+                                 std::size_t start_y, std::size_t width, std::size_t height) const;
+
+    MomentSharedMemory* shared_memory = nullptr;
+    MomentProcessorState next_state{};
+
+    MomentProcessorConfig current_config{};
+    Core::IrSensor::DeviceFormat& device;
+    Core::HID::EmulatedController* npad_device;
+    int callback_key{};
+
+    Core::System& system;
+};
+
+} // namespace Service::IRS