glslang-zig/glslang/updateGrammar
Shahbaz Youssefi 59fb2d6361
Customize glslang.y to GLSLANG_ANGLE
glslang.y is specialized to remove what is not supported or won't be
supported by ANGLE.

This change shaves about 125KB off of ANGLE's binary size with minor
improvement to the cost of SetupBuiltinSymbolTable.

Signed-off-by: Shahbaz Youssefi <ShabbyX@gmail.com>
2020-07-08 16:01:42 -04:00

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#!/bin/bash
# Copyright (C) 2020 The Khronos Group Inc.
#
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if [ "$1" = 'web' ]
then
m4 -P -DGLSLANG_WEB MachineIndependent/glslang.m4 > MachineIndependent/glslang.y
elif [ "$#" -eq 0 ]
then
m4 -P MachineIndependent/glslang.m4 > MachineIndependent/glslang.y
m4 -P -DGLSLANG_ANGLE MachineIndependent/glslang.m4 > MachineIndependent/glslang_angle.y
else
echo usage:
echo $0 web
echo $0
exit
fi
bison --defines=MachineIndependent/glslang_tab.cpp.h -t MachineIndependent/glslang.y -o MachineIndependent/glslang_tab.cpp
if [ "$1" != 'web' ]
then
bison --defines=MachineIndependent/glslang_angle_tab.cpp.h -t MachineIndependent/glslang_angle.y -o MachineIndependent/glslang_angle_tab.cpp
fi