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Document writing custom shaders on the website #107929

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zanderso opened this issue Jul 19, 2022 · 3 comments · Fixed by flutter/website#7902 or flutter/engine#38273
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Document writing custom shaders on the website #107929

zanderso opened this issue Jul 19, 2022 · 3 comments · Fixed by flutter/website#7902 or flutter/engine#38273
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@jonahwilliams
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c: new feature Nothing broken; request for a new capability engine flutter/engine repository. See also e: labels. P3 Issues that are less important to the Flutter project

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@zanderso
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When the APIs are stable, we should add documentation or a tutorial to the website on writing custom shaders.

In particular:

  • What input formats are supported
  • How to add one to an app
  • How to obtain a FragmentProgram
  • How to use a FragmentProgram to obtain a Shader
  • How to use that shader in a scene/widget
  • Best practices for structuring this code efficiently
@zanderso zanderso added c: new feature Nothing broken; request for a new capability engine flutter/engine repository. See also e: labels. documentation P3 Issues that are less important to the Flutter project labels Jul 19, 2022
@jonahwilliams
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From #108307 : also include information on premultiplied outputs, conversion helpers, et cetera

@jonahwilliams jonahwilliams mentioned this issue Jul 25, 2022
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@jonahwilliams
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We also need to update https://master-api.flutter.dev/flutter/dart-ui/FragmentProgram-class.html to point to this documentation. Since its not updated yet this is a likely CP candidate to update the link

@jonahwilliams jonahwilliams mentioned this issue Dec 5, 2022
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@jonahwilliams jonahwilliams mentioned this issue Dec 14, 2022
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github-actions bot commented Mar 5, 2023

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

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c: new feature Nothing broken; request for a new capability engine flutter/engine repository. See also e: labels. P3 Issues that are less important to the Flutter project
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