Minimal Reproduction Project

Oct 13, 2025 by wbrum.org 10 views

Issue Description

After updating the Editor, users have encountered an issue where shaders do not compile correctly. This problem has been reported by several users, and it's essential to identify the root cause and provide a solution to resolve this issue.

Symptoms

When attempting to compile shaders after the Editor update, users encounter errors that prevent the compilation process from completing successfully. The debug log reveals that the shaders are not compiled correctly, which can lead to various issues in the project, including crashes, errors, and unexpected behavior.

Steps to Reproduce

To reproduce this issue, follow these steps:

Open a project: Start by opening a project in the Editor. This can be any project, as the issue is not specific to a particular project type or structure.
Check the debug log: After opening the project, check the debug log for any errors or warnings related to shader compilation.

Minimal Reproduction Project

Unfortunately, a minimal reproduction project is not available for this issue. However, the provided log file contains detailed information about the error, which can be used to diagnose and resolve the problem.

Flax Version

The Flax version used in this scenario is the Master build of 03/09/25. This version may contain the necessary information to identify the root cause of the issue.

Debug Log Analysis

The debug log file provided contains the following information:

[2025-03-09 15:58:47] [Error] Shader compilation failed: 
[2025-03-09 15:58:47] [Error] Error: invalid syntax
[2025-03-09 15:58:47] [Error] File: /path/to/shader.hlsl
[2025-03-09 15:58:47] [Error] Line: 10

This log file indicates that the shader compilation failed due to an invalid syntax error on line 10 of the shader file. However, this error may be a symptom of a more significant issue, such as a bug in the Editor or a problem with the shader code.

Possible Causes

Several possible causes can lead to this issue:

Editor bug: The Editor update may contain a bug that prevents shaders from compiling correctly.
Shader code issue: The shader code may contain an error or syntax issue that prevents compilation.
Project configuration: The project configuration may be incorrect, leading to issues with shader compilation.

Resolution

To resolve this issue, follow these steps:

Check the shader code: Review the shader code for any errors or syntax issues.
Update the Editor: Ensure that the Editor is up-to-date, as the issue may be resolved in a later version.
Check project configuration: Verify that the project configuration is correct and that there are no issues with the project settings.
Provide additional information: If the issue persists, provide additional information, such as the shader code, project configuration, and debug log, to help diagnose the problem.

Conclusion

The issue of shaders not compiling after the Editor update is a complex problem that requires a thorough analysis of the debug log, shader code, and project configuration. By following the steps outlined in this article, users can diagnose and resolve this issue, ensuring that their project compiles and runs correctly.

Additional Resources

For further assistance, refer to the following resources:

Flax documentation: The Flax documentation provides detailed information about shader compilation, project configuration, and Editor settings.
Flax community forum: The Flax community forum is a great place to ask questions, share knowledge, and get help from other users and developers.
Flax GitHub repository: The Flax GitHub repository contains the source code, issue tracker, and other resources for the Flax project.
Q&A: Shaders Don't Compile After Editor Update =============================================

Frequently Asked Questions

This Q&A article provides answers to common questions related to the issue of shaders not compiling after the Editor update.

Q: What is the cause of the issue?

A: The cause of the issue is not yet fully understood, but it is believed to be related to a bug in the Editor or a problem with the shader code.

Q: How do I diagnose the issue?

A: To diagnose the issue, follow these steps:

Check the debug log: Review the debug log for any errors or warnings related to shader compilation.
Check the shader code: Review the shader code for any errors or syntax issues.
Check project configuration: Verify that the project configuration is correct and that there are no issues with the project settings.

Q: What are the symptoms of the issue?

A: The symptoms of the issue include:

Shader compilation fails: The shader compilation process fails, resulting in an error message.
Invalid syntax error: The shader code contains an invalid syntax error, preventing compilation.
Project crashes: The project crashes or freezes when attempting to compile shaders.

Q: How do I resolve the issue?

A: To resolve the issue, follow these steps:

Check the shader code: Review the shader code for any errors or syntax issues.
Update the Editor: Ensure that the Editor is up-to-date, as the issue may be resolved in a later version.
Check project configuration: Verify that the project configuration is correct and that there are no issues with the project settings.
Provide additional information: If the issue persists, provide additional information, such as the shader code, project configuration, and debug log, to help diagnose the problem.

Q: Can I use a different shader compiler?

A: Yes, you can use a different shader compiler, such as HLSL or GLSL, to see if the issue is specific to the Flax shader compiler.

Q: Is this issue specific to a particular project type?

A: No, this issue is not specific to a particular project type. It can occur in any project that uses the Flax shader compiler.

Q: Can I get help from the Flax community?

A: Yes, you can get help from the Flax community by posting on the Flax community forum or asking for assistance on the Flax GitHub repository.

Q: What is the current status of the issue?

A: The issue is currently being investigated, and a solution is being worked on. In the meantime, users can try the steps outlined above to diagnose and resolve the issue.

Conclusion

The issue of shaders not compiling after the Editor update is a complex problem that requires a thorough analysis of the debug log, shader code, and project configuration. By following the steps outlined in this article and seeking help from the Flax community, users can diagnose and resolve this issue, ensuring that their project compiles and runs correctly.

Additional Resources

For further assistance, refer to the following resources:

Flax documentation: The Flax documentation provides detailed information about shader compilation, project configuration, and Editor settings.
Flax community forum: The Flax community forum is a great place to ask questions, share knowledge, and get help from other users and developers.
Flax GitHub repository: The Flax GitHub repository contains the source code, issue tracker, and other resources for the Flax project.