kc3-lang/angle/doc/ES1Status.md

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• Hash : d193d51b
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  Date : 2024-06-17T22:46:08
  

  Replace issue ids post migration to new issue tracker
  
  This change replaces anglebug.com/NNNN links.
  
  Bug: None
  Change-Id: I8ac3aec8d2a8a844b3d7b99fc0a6b2be8da31761
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5637912
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• doc/ES1Status.md

• # ES1 Status
  
  ES1 is implemented entirely in the front-end using features from GLES3.0.  Therefore, every backend
  with GLES3 support (i.e. everything other than D3D9) supports GLES1 as well.
  
  ANGLE passes GLES1's `MustPass`, however there are known missing features.
  
  | Features                             | Status                                       | Backends    |
  |:-------------------------------------|:---------------------------------------------|:------------|
  | Logic Op                             | Implemented through extensions [1](#notes-1) | Vulkan, GL  |
  | Palette compressed textures          | Emulated with uncompressed format            | Vulkan      |
  | [Smooth lines][lines]                | Unimplemented                                | None        |
  | [Two-sided lighting][lighting]       | Unimplemented                                | None        |
  | [Matrix palette][matrix]             | Unimplemented (optional)                     | None        |
  
  [lines]: http://anglebug.com/42266418
  [lighting]: http://anglebug.com/42266170
  [matrix]: http://anglebug.com/42266419
  
  ### Notes [1]
  * Logic op is implemented through the `ANGLE_logic_op` or `EXT_framebuffer_fetch` extensions.
  * Currently, these are supported on the Vulkan and GL backends only.
  

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