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flutter/engine
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Jonah Williams 408cbaf233
[Impeller] ensure that OpenGL "flipped" textures do not leak via texture readback. (#163501) 
Fixes https://github.com/flutter/flutter/issues/163315
Fixes https://github.com/flutter/flutter/issues/163521
Fixes https://github.com/flutter/flutter/issues/142641

OpenGL has an inverted coordinate system (bottom left is zero) compared
to Metal/Vulkan (top left is zero). We handle this by rendering things
upside down on OpenGL. Unfortunately this can leak out of the renderer
via readback (toImage), so we need to make sure to undo the inversion.

This is not performed for the "TextureCoordinateSystem::kUploadFromHost"
state as that indicates the texture is already "right side up".
2025-02-19 20:07:07 +00:00
..
scripts
gclient template file clarifications (#160882)
2024-12-27 19:36:20 +00:00
src
[Impeller] ensure that OpenGL "flipped" textures do not leak via texture readback. (#163501)
2025-02-19 20:07:07 +00:00
README.md
Add to Setup Path Example to Engine README (#162115)
2025-01-24 05:14:38 +00:00

README.md

Flutter Engine

Setting up the Engine development environment

See here

gclient bootstrap

Flutter engine uses gclient to manage dependencies.

If you've already cloned the flutter repository:

  1. Copy one of the engine/scripts/*.gclient to the root folder as .gclient:
    1. Googlers: copy rbe.gclient to enable faster builds with RBE
    2. Everyone else: copy standard.gclient
  2. run gclient sync from the root folder