[display][coordinator] Do not use vsync_layer_count.

"vsync_layer_count" was a legacy of image-handle-based vsync,
which excludes the display color layers since they are not associated
with any image handles.

With config stamps being used for Vsync, now we should take all
layers into consideration when sending configurations to display
device.

This change replaces "vsync_layer_count" with "layer_count" which
returns the number of current layers of a configuration. This
will allow a display configuration with only a color layer being
displayed on screen.

Test: display-tool color
      on NUC11, together with other changes
Bug: 126255
Change-Id: Ib1b9874e3bc575101d278b5a73eb9d48ff6e33d6
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/846773
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
Fuchsia-Auto-Submit: Victor Costan <costan@google.com>
Reviewed-by: Victor Costan <costan@google.com>
6 files changed
tree: 333865b108a3251a0c8783f2971f5f130f0b93b5
  1. boards/
  2. build/
  3. bundles/
  4. docs/
  5. examples/
  6. infra/
  7. products/
  8. scripts/
  9. sdk/
  10. src/
  11. third_party/
  12. tools/
  13. zircon/
  14. .clang-format
  15. .clang-tidy
  16. .editorconfig
  17. .git-blame-ignore-revs
  18. .gitattributes
  19. .gitignore
  20. .gitmodules
  21. .gn
  22. .ignore
  23. .style.yapf
  24. analysis_options.yaml
  25. AUTHORS
  26. BUILD.gn
  27. CODE_OF_CONDUCT.md
  28. CONTRIBUTING.md
  29. fuchsia.code-workspace
  30. LICENSE
  31. OWNERS
  32. PATENTS
  33. pyrightconfig.json
  34. README.md
  35. rustfmt.toml
README.md

Fuchsia

What is Fuchsia?

Fuchsia is an open source, general purpose operating system supporting modern 64-bit Intel and ARM processors.

We expect everyone interacting with our project to respect our code of conduct.

Read more about Fuchsia's principles.

How can I build and run Fuchsia?

See Getting Started.

Where can I learn more about Fuchsia?

See fuchsia.dev.