sudachi ios stuff

src/ios/Eden/Wrapper/EmulationWindow/EmulationWindow.h

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+//
+//  EmulationWindow.h - Sudachi
+//  Created by Jarrod Norwell on 1/18/24.
+//
+
+#pragma once
+
+#import <Metal/Metal.hpp>
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+#include <memory>
+#include <span>
+
+#include "core/frontend/emu_window.h"
+#include "core/frontend/graphics_context.h"
+#include "input_common/main.h"
+
+class GraphicsContext_Apple final : public Core::Frontend::GraphicsContext {
+public:
+    explicit GraphicsContext_Apple(std::shared_ptr<Common::DynamicLibrary> driver_library)
+        : m_driver_library{driver_library} {}
+
+    ~GraphicsContext_Apple() = default;
+
+    std::shared_ptr<Common::DynamicLibrary> GetDriverLibrary() override {
+        return m_driver_library;
+    }
+
+private:
+    std::shared_ptr<Common::DynamicLibrary> m_driver_library;
+};
+
+NS_ASSUME_NONNULL_BEGIN
+
+class EmulationWindow final : public Core::Frontend::EmuWindow {
+public:
+    EmulationWindow(InputCommon::InputSubsystem* input_subsystem, CA::MetalLayer* surface, CGSize size,
+                      std::shared_ptr<Common::DynamicLibrary> driver_library);
+
+    ~EmulationWindow() = default;
+
+    void OnSurfaceChanged(CA::MetalLayer* surface, CGSize size);
+    void OrientationChanged(UIInterfaceOrientation orientation);
+    void OnFrameDisplayed() override;
+
+    void OnTouchPressed(int id, float x, float y);
+    void OnTouchMoved(int id, float x, float y);
+    void OnTouchReleased(int id);
+
+    void OnGamepadButtonEvent(int player_index, int button_id, bool pressed);
+    void OnGamepadJoystickEvent(int player_index, int stick_id, float x, float y);
+    void OnGamepadMotionEvent(int player_index, u64 delta_timestamp, float gyro_x, float gyro_y, float gyro_z, float accel_x, float accel_y, float accel_z);
+
+    std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override {
+        return {std::make_unique<GraphicsContext_Apple>(m_driver_library)};
+    }
+
+
+    bool HasFirstFrame() const {
+        return m_first_frame;
+    }
+
+    bool IsShown() const override {
+        return true;
+    };
+
+private:
+    float m_window_width{};
+    float m_window_height{};
+    CGSize m_size;
+    bool is_portrait = true;
+
+    InputCommon::InputSubsystem* m_input_subsystem{};
+    std::shared_ptr<Common::DynamicLibrary> m_driver_library;
+
+    bool m_first_frame = false;
+};
+
+NS_ASSUME_NONNULL_END

src/ios/Eden/Wrapper/EmulationWindow/EmulationWindow.mm

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+//
+//  EmulationWindow.mm - Sudachi
+//  Created by Jarrod Norwell on 1/18/24.
+//
+
+#import "EmulationWindow.h"
+#import "../EmulationSession/EmulationSession.h"
+
+#include <SDL.h>
+
+#include "common/logging/log.h"
+#include "input_common/drivers/touch_screen.h"
+#include "input_common/drivers/virtual_amiibo.h"
+#include "input_common/drivers/virtual_gamepad.h"
+#include "input_common/main.h"
+
+void EmulationWindow::OnSurfaceChanged(CA::MetalLayer* surface, CGSize size) {
+    m_size = size;
+
+    m_window_width = size.width;
+    m_window_height = size.height;
+
+    // Ensures that we emulate with the correct aspect ratio.
+    // UpdateCurrentFramebufferLayout(m_window_width, m_window_height);
+
+    window_info.render_surface = reinterpret_cast<void*>(surface);
+    window_info.render_surface_scale = [[UIScreen mainScreen] nativeScale];
+}
+
+void EmulationWindow::OrientationChanged(UIInterfaceOrientation orientation) {
+    is_portrait = orientation == UIInterfaceOrientationPortrait;
+}
+
+void EmulationWindow::OnTouchPressed(int id, float x, float y) {
+    const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
+    EmulationSession::GetInstance().GetInputSubsystem().GetTouchScreen()->TouchPressed(touch_x,
+                                                                                       touch_y, id);
+}
+
+void EmulationWindow::OnTouchMoved(int id, float x, float y) {
+    const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
+    EmulationSession::GetInstance().GetInputSubsystem().GetTouchScreen()->TouchMoved(touch_x,
+                                                                                     touch_y, id);
+}
+
+void EmulationWindow::OnTouchReleased(int id) {
+    EmulationSession::GetInstance().GetInputSubsystem().GetTouchScreen()->TouchReleased(id);
+}
+
+void EmulationWindow::OnGamepadButtonEvent(int player_index, int button_id, bool pressed) {
+    m_input_subsystem->GetVirtualGamepad()->SetButtonState(player_index, button_id, pressed);
+}
+
+void EmulationWindow::OnGamepadJoystickEvent(int player_index, int stick_id, float x, float y) {
+    m_input_subsystem->GetVirtualGamepad()->SetStickPosition(player_index, stick_id, x, y);
+}
+
+void EmulationWindow::OnGamepadMotionEvent(int player_index, u64 delta_timestamp, float gyro_x,
+                                                 float gyro_y, float gyro_z, float accel_x,
+                                                 float accel_y, float accel_z) {
+    m_input_subsystem->GetVirtualGamepad()->SetMotionState(player_index, delta_timestamp, gyro_x, gyro_y, gyro_z, accel_x, accel_y, accel_z);
+}
+
+void EmulationWindow::OnFrameDisplayed() {
+    if (!m_first_frame) {
+        m_first_frame = true;
+    }
+}
+
+EmulationWindow::EmulationWindow(InputCommon::InputSubsystem* input_subsystem, CA::MetalLayer* surface, CGSize size,
+                                     std::shared_ptr<Common::DynamicLibrary> driver_library)
+: m_input_subsystem{input_subsystem}, m_size{size}, m_driver_library{driver_library} {
+    LOG_INFO(Frontend, "initializing");
+
+    if (!surface) {
+        LOG_CRITICAL(Frontend, "surface is nullptr");
+        return;
+    }
+
+    OnSurfaceChanged(surface, m_size);
+    window_info.render_surface_scale = [[UIScreen mainScreen] nativeScale];
+    window_info.type = Core::Frontend::WindowSystemType::Cocoa;
+
+    m_input_subsystem->Initialize();
+}