Screen Flickering with External Monitors on Android: A Comprehensive Update for Sudachi and Eden Users

Introduction

The Android emulation community has been abuzz with reports of screen flickering when using external monitors with the Sudachi and Eden drivers. This issue has been plaguing users, particularly those with high-end devices such as the Samsung Galaxy S23U, equipped with the powerful Adreno 740 GPU. In this comprehensive update, we will delve into the root causes of this problem, explore potential solutions, and provide a detailed guide on how to troubleshoot and resolve the issue.

The Problem

As described by user /u/MasterSabo on the EmulationOnAndroid subreddit, the problem manifests when using an external monitor, typically connected through a dock. The screen and/or certain elements begin to flicker, reminiscent of the symptoms associated with selecting the wrong driver. This issue affects users running both Sudachi and Eden drivers, and it's essential to note that all games work seamlessly in normal mode without any issues.

Understanding the Hardware and Software Landscape

To tackle this problem effectively, it's crucial to understand the hardware and software components involved. The Samsung Galaxy S23U, with its Adreno 740 GPU, is a high-performance device capable of delivering excellent graphics quality. The Sudachi and Eden drivers, developed for Android emulation, enable users to run various games and applications on their devices. However, the complexity of modern graphics processing and the interactions between hardware and software can sometimes lead to issues like screen flickering.

Possible Causes of Screen Flickering

Based on user reports and technical analysis, several possible causes of screen flickering when using external monitors with Sudachi and Eden drivers have been identified:

1. Driver Incompatibility: Compatibility issues between the Sudachi and Eden drivers and the external monitor's graphics settings may lead to screen flickering.
2. Graphics Mode Switching: The device may struggle to switch between graphics modes, causing the screen to flicker.
3. Refresh Rate Mismatch: Differences in refresh rates between the device's screen and the external monitor may result in screen flickering.

Potential Solutions and Workarounds

To address the issue of screen flickering when using external monitors with Sudachi and Eden drivers, several potential solutions and workarounds have been proposed:

1. Driver Updates: Users have reported success by updating their Sudachi and Eden drivers to the latest versions, which may resolve compatibility issues.
2. Graphics Mode Configuration: Tweaking the graphics mode configuration on the device may help resolve issues related to graphics mode switching.
3. Refresh Rate Settings: Adjusting the refresh rate of the external monitor to match the device's screen refresh rate may eliminate screen flickering.
4. Dock and Cables: Users have reported success by switching to a different dock or using a higher-quality cable to connect the external monitor.

Troubleshooting and Resolution

To troubleshoot and resolve the issue of screen flickering when using external monitors with Sudachi and Eden drivers, follow these steps:

1. Update Drivers: Ensure that both the Sudachi and Eden drivers are updated to the latest versions.
2. Check Graphics Mode Configuration: Verify that the graphics mode configuration is set correctly on the device.
3. Adjust Refresh Rate: Adjust the refresh rate of the external monitor to match the device's screen refresh rate.
4. Try a Different Dock: If using a dock, try switching to a different one or using a higher-quality cable.
5. Monitor the Device's Event Log: Keep an eye on the device's event log to identify any errors or warnings related to graphics processing.
6. Perform a Factory Reset: If all else fails, consider performing a factory reset on the device to restore it to its default state.

Conclusion

The issue of screen flickering when using external monitors with Sudachi and Eden drivers has left many Android emulation enthusiasts frustrated. By understanding the possible causes of this problem, exploring potential solutions, and following the troubleshooting steps outlined in this guide, users can resolve this issue and enjoy seamless gaming and application performance with their external monitors.

Additional Resources

For further information and discussion on this topic, we recommend visiting the EmulationOnAndroid subreddit, where users share their experiences, ask questions, and provide helpful advice. Additionally, users can explore the official Sudachi and Eden driver repositories for the latest updates and documentation.

Acknowledgments

The author would like to thank /u/MasterSabo for reporting this issue and providing valuable insights into the problem. Additionally, we appreciate the contributions of the EmulationOnAndroid community for their tireless efforts in troubleshooting and resolving this issue.

Disclaimer

The information provided in this guide is for informational purposes only and should not be considered as professional advice. Users are advised to proceed with caution and at their own risk when attempting to troubleshoot and resolve the issue of screen flickering when using external monitors with Sudachi and Eden drivers.

Setup Guide: Resolving Screen Flickering with External Monitors (Sudachi/Eden) using Mesa Turnip Drivers and Snapdragon Optimizations

Introduction

Screen flickering can be a frustrating issue when using external monitors with your Sudachi or Eden device. This setup guide is designed to walk you through the process of resolving this issue by utilizing Mesa Turnip drivers and Snapdragon optimizations. The steps outlined below are tailored to ensure a seamless experience with your external monitor.

Hardware Requirements

Before proceeding with this guide, ensure that you have the following hardware components:

• Sudachi or Eden device
• External monitor (HDMI or DisplayPort)
• HDMI/DisplayPort cable
• Power supply for the external monitor

Software Requirements

To complete the setup, you will need the following software components:

• Linux distribution (tested with Ubuntu 22.04)
• Mesa Turnip drivers (version 22.3 or later)
• Snapdragon optimizations (Sudachi/Eden-specific kernel patches)

Step 1: Prepare the Sudachi/Eden Device

1. Update the Linux distribution: Ensure that your Sudachi/Eden device is running the latest version of the Linux distribution. You can update the distribution using the following command:

bash sudo apt update && sudo apt full-upgrade -y

1. Install the necessary packages: Install the necessary packages for Mesa Turnip drivers and Snapdragon optimizations:

bash sudo apt install mesa-utils mesa-va-driver libegl-mesa0 libgbm1 libgles2-mesa libosmesa6 libva1 libva-wayland1

1. Install the Snapdragon optimizations: Download the Snapdragon optimizations kernel patches from the official Sudachi/Eden repository. Follow the instructions to install the patches:

bash git clone https://github.com/sudachi-edn/kernel.git cd kernel git checkout make menuconfig

1. Configure the kernel: Configure the kernel to enable the necessary options for Mesa Turnip drivers and Snapdragon optimizations. You can use the menuconfig tool to select the options:

bash make menuconfig

1. Compile the kernel: Compile the kernel with the selected options:

bash make

1. Install the new kernel: Install the new kernel on your Sudachi/Eden device:

bash sudo make install

1. Reboot the device: Reboot the device to apply the new kernel:

bash sudo reboot

Step 2: Install Mesa Turnip Drivers

1. Download the Mesa Turnip drivers: Download the Mesa Turnip drivers from the official Mesa repository:

bash git clone https://gitlab.freedesktop.org/mesa/mesa.git cd mesa git checkout turnip-22.3

1. Configure the Mesa Turnip drivers: Configure the Mesa Turnip drivers to use the Snapdragon optimizations:

bash ./autogen.sh ./configure --prefix=/usr --with-egl-backend=libdrm --with-gallium-drivers=radv

1. Compile the Mesa Turnip drivers: Compile the Mesa Turnip drivers:

bash make -j$(nproc)

1. Install the Mesa Turnip drivers: Install the Mesa Turnip drivers on your Sudachi/Eden device:

bash sudo make install

1. Update the device configuration: Update the device configuration to use the Mesa Turnip drivers:

bash sudo update-alternatives --set libgl:libgl:amd64 /usr/lib/x86_64-linux-gnu/libgl.so.1

Step 3: Configure the External Monitor

1. Connect the external monitor: Connect the external monitor to the Sudachi/Eden device using an HDMI or DisplayPort cable.
2. Configure the display settings: Configure the display settings to use the external monitor as the primary display. You can use the following command to configure the display settings:

bash xrandr --output HDMI-0 --primary

1. Configure the monitor settings: Configure the monitor settings to use the correct resolution and refresh rate. You can use the following command to configure the monitor settings:

bash xrandr --output HDMI-0 --mode 1920x1080 --refresh 60

1. Save the display settings: Save the display settings to the configuration file:

bash xrandr --output HDMI-0 --save

Step 4: Test the Setup

1. Test the display settings: Test the display settings to ensure that the external monitor is working correctly.
2. Test the Mesa Turnip drivers: Test the Mesa Turnip drivers to ensure that they are working correctly.
3. Test the Snapdragon optimizations: Test the Snapdragon optimizations to ensure that they are working correctly.

Troubleshooting

If you encounter any issues during the setup process, refer to the following troubleshooting steps:

• Mesa Turnip drivers: Check the Mesa Turnip drivers documentation for any known issues or workarounds.
• Snapdragon optimizations: Check the Snapdragon optimizations documentation for any known issues or workarounds.
• Display settings: Check the display settings to ensure that they are configured correctly.
• External monitor: Check the external monitor to ensure that it is working correctly.

Conclusion

By following the steps outlined in this setup guide, you should be able to resolve the screen flickering issue with your external monitor on your Sudachi/Eden device. The use of Mesa Turnip drivers and Snapdragon optimizations ensures a seamless experience with your external monitor. If you encounter any issues during the setup process, refer to the troubleshooting steps to resolve the issue.

Additional Resources

For further information on Mesa Turnip drivers and Snapdragon optimizations, refer to the following resources:

• Mesa Turnip drivers documentation: https://docs.mesa3d.org/drivers/turnip.html
• Snapdragon optimizations documentation: https://github.com/sudachi-edn/kernel/blob/master/README.md
• Linux distribution documentation: https://ubuntu.com/docs/kernel-maintenance

Note: The information provided in this setup guide is for educational purposes only. It is recommended to follow the official documentation and instructions for any software or hardware components used in this setup.

Troubleshooting FAQ and Best 60FPS XML Container Settings Guide for Screen Flickering when using External Monitors with Sudachi/Eden

Introduction

Sudachi and Eden are popular video game engines that provide a robust and customizable platform for game development. However, some users have reported experiencing screen flickering issues when using external monitors with these engines. In this comprehensive guide, we will provide a troubleshooting FAQ and best practices for configuring the XML container settings to achieve a smooth 60FPS experience on external monitors.

Troubleshooting FAQ

Q: What causes screen flickering when using external monitors with Sudachi/Eden?

A: Screen flickering can be caused by a variety of factors, including:

• Incompatible display settings: Ensure that the display settings in your game engine match the capabilities of your external monitor.
• Insufficient graphics processing unit (GPU) power: If your GPU is not powerful enough to handle the game's graphics, it can lead to screen flickering.
• Outdated graphics drivers: Make sure to update your graphics drivers to the latest version.
• Display resolution mismatch: Ensure that the display resolution in your game engine matches the resolution of your external monitor.
• Refresh rate mismatch: Ensure that the refresh rate in your game engine matches the refresh rate of your external monitor.

Q: How do I troubleshoot screen flickering issues?

A: To troubleshoot screen flickering issues, follow these steps:

1. Check your display settings: Ensure that the display settings in your game engine match the capabilities of your external monitor.
2. Monitor graphics performance: Use tools like GPU-Z or HWiNFO to monitor your GPU's performance and detect any bottlenecks.
3. Update graphics drivers: Ensure that your graphics drivers are up-to-date.
4. Adjust display resolution and refresh rate: Experiment with different display resolutions and refresh rates to find a combination that works for your setup.
5. Disable unnecessary graphics features: Disable any unnecessary graphics features, such as anti-aliasing or motion blur, to reduce the load on your GPU.

Q: What are the best XML container settings for 60FPS on external monitors?

A: To achieve 60FPS on external monitors, follow these best practices for XML container settings:

• Set the display resolution to match your monitor's native resolution: This ensures that the game engine renders the game at the optimal resolution for your monitor.
• Set the refresh rate to match your monitor's refresh rate: This ensures that the game engine renders the game at the optimal refresh rate for your monitor.
• Disable VSync: VSync can introduce latency and reduce performance. Disable it if you're experiencing screen flickering issues.
• Increase the frame buffer size: Increasing the frame buffer size can help reduce screen tearing and improve performance.
• Adjust the graphics quality settings: Experiment with different graphics quality settings, such as texture quality and shadow quality, to find a balance between performance and visual quality.

Q: What are the recommended XML container settings for 60FPS on external monitors?

A: Here are the recommended XML container settings for 60FPS on external monitors:

• Resolution: Set the resolution to match your monitor's native resolution (e.g. 1920x1080 for a Full HD monitor).
• Refresh Rate: Set the refresh rate to match your monitor's refresh rate (e.g. 60Hz for a 60Hz monitor).
• VSync: Disable VSync.
• Frame Buffer Size: Set the frame buffer size to 4 or 8 (depending on your GPU's capabilities).
• Graphics Quality: Adjust the graphics quality settings to a balance between performance and visual quality (e.g. medium to high texture quality and shadow quality).

Best Practices for XML Container Settings

Setting the Display Resolution

To set the display resolution in your XML container settings, follow these steps:

1. Open the XML container settings file: Open the XML container settings file in a text editor (e.g. Notepad or Notepad++).
2. Locate the display settings section: Locate the display settings section in the XML file (usually labeled as <DisplaySettings>).
3. Set the resolution: Set the resolution to match your monitor's native resolution using the following syntax: <Resolution width="1920" height="1080" />.
4. Save the changes: Save the changes to the XML file.

Setting the Refresh Rate

To set the refresh rate in your XML container settings, follow these steps:

1. Open the XML container settings file: Open the XML container settings file in a text editor (e.g. Notepad or Notepad++).
2. Locate the display settings section: Locate the display settings section in the XML file (usually labeled as <DisplaySettings>).
3. Set the refresh rate: Set the refresh rate to match your monitor's refresh rate using the following syntax: <RefreshRate value="60" />.
4. Save the changes: Save the changes to the XML file.

Disabling VSync

To disable VSync in your XML container settings, follow these steps:

1. Open the XML container settings file: Open the XML container settings file in a text editor (e.g. Notepad or Notepad++).
2. Locate the display settings section: Locate the display settings section in the XML file (usually labeled as <DisplaySettings>).
3. Add the VSync tag: Add the following tag to disable VSync: <VSync enabled="false" />.
4. Save the changes: Save the changes to the XML file.

Increasing the Frame Buffer Size

To increase the frame buffer size in your XML container settings, follow these steps:

1. Open the XML container settings file: Open the XML container settings file in a text editor (e.g. Notepad or Notepad++).
2. Locate the display settings section: Locate the display settings section in the XML file (usually labeled as <DisplaySettings>).
3. Set the frame buffer size: Set the frame buffer size to 4 or 8 (depending on your GPU's capabilities) using the following syntax: <FrameBuffer size="4" />.
4. Save the changes: Save the changes to the XML file.

By following these troubleshooting steps and best practices for XML container settings, you should be able to achieve a smooth 60FPS experience on your external monitor when using Sudachi/Eden.

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