Jonah Williams 2a4a3ec9ea [Impeller] Add support for specialization constants redux. (flutter/engine#47678) ...

Reland of https://github.com/flutter/engine/pull/47432

Also includes:
  * https://github.com/flutter/engine/pull/47617
  * https://github.com/flutter/engine/pull/47637
  
Fixes the performance on iOS by removing blocking on compilation of shaders. From local testing this has identical before/after numbers. Additional, ensures that we don't unecessarily specialize vertex shaders and notes this restriction in the documentation.

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Adds support for Specialization constants to Impeller for our usage in the engine. A motivating example has been added in the impeller markdown docs.

Fixes https://github.com/flutter/flutter/issues/136210
Fixes https://github.com/flutter/flutter/issues/119357

2023-11-07 19:08:48 +00:00

..

src/flutter

[Impeller] Add support for specialization constants redux. (flutter/engine#47678)

2023-11-07 19:08:48 +00:00