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Disable ANGLE's VK backend on official Chrome Android builds.

Browse Source 
ANGLE's VK backend induces a memory and binary size regression due to
global initializers in glslang/spirvtools. Disable it on Android Chrome
official builds.

Bug: chromium:1172451
Change-Id: I08d77cf11e20b393c0faf7c85d08c92061e5a09b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2969385
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
This commit is contained in:
Geoff Lang
2021-06-17 10:37:56 -04:00
committed by Angle LUCI CQ
parent 97fca0c679
commit dc334829d8
2 changed files with 3 additions and 1 deletions
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3
doc/DevSetupAndroid.md
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@@ -195,10 +195,11 @@ gn args --list <dir>
### Performance config
This config is designed to get maximum performance by disabling debug configs and validation layers.
Note: The oddly named `is_official_build` is a more aggressive optimization level than `Release`. Its names is historical.
Note: The oddly named `is_official_build` is a more aggressive optimization level than `Release`. Its name is historical.
```
target_os = "android"
target_cpu = "arm64"
angle_enable_vulkan = true
is_component_build = false
is_official_build = true
is_debug = false

1
gni/angle.gni
View File

@@ -125,6 +125,7 @@ declare_args() {
angle_enable_vulkan =
angle_has_build &&
!(is_android && build_with_chromium && is_official_build) &&
((is_win && !angle_is_winuwp) ||
(is_linux && (angle_use_x11 || angle_use_vulkan_display) &&
!is_chromeos) || is_android || is_fuchsia || is_ggp || is_mac)