tree 3b0afc9435737552a9b16f9f211fa8eba613de4f
parent 4728509962e673ed06fefc27632baeca20f1158a
author Shahbaz Youssefi <ShabbyX@gmail.com> 1593794046 -0400
committer Shahbaz Youssefi <ShabbyX@gmail.com> 1593803179 -0400
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gn: Optionally disable optimizations and HLSL

To reduce the binary size of ANGLE, a gn override is added
(glslang_angle) which:

- Controls whether ENABLE_OPT=1 is set
- Customizes the build for the Vulkan backend of ANGLE.  As a first
  step, this removes HLSL functionality which together with no
  optimization shave ~2.5MB off of ANGLE's binary size.

Upcoming changes will add a macro for GLSLANG_ANGLE similar to
GLSLANG_WEB that will strip features from glslang to support only what
ANGLE needs.

Signed-off-by: Shahbaz Youssefi <ShabbyX@gmail.com>