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Customize glslang.y to GLSLANG_ANGLE

Browse source 
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>
This commit is contained in:
Shahbaz Youssefi 2020-07-03 15:42:53 -04:00
parent 8c49d15fbf
commit 59fb2d6361
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GPG key ID: C6149357EC6727E0
11 changed files with 13943 additions and 3495 deletions
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glslang/updateGrammar
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@ -39,6 +39,7 @@ then
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
@ -47,3 +48,7 @@ else
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