; cat ./validator.sh && ./validator.sh
#!/bin/sh -eu

>shader.frag.prefix cat <<EOF
#version 100
precision mediump float;
EOF

>shader.vert.prefix cat <<EOF
#version 100
precision mediump float;
uniform highp mat4 mWorldView;
uniform highp mat4 mWorldViewProj;
uniform mediump mat4 mTexture;
uniform mediump mat3 mNormal;
attribute highp vec4 inVertexPosition;
attribute lowp vec4 inVertexColor;
attribute mediump vec4 inTexCoord0;
attribute mediump vec3 inVertexNormal;
attribute mediump vec4 inVertexTangent;
attribute mediump vec4 inVertexBinormal;
EOF

for DIR in $(find -type d); do
 case "${DIR}" in
  .|..)
   continue
  ;;
  *)
   cp "${DIR}"/opengl_fragment.glsl "${DIR}"/shader.frag.suffix
   cp "${DIR}"/opengl_vertex.glsl "${DIR}"/shader.vert.suffix
   >"${DIR}"/shader.frag cat shader.frag.prefix "${DIR}"/shader.frag.suffix
   >"${DIR}"/shader.vert cat shader.vert.prefix "${DIR}"/shader.vert.suffix
  ;;
 esac
done

glslangValidator */shader.frag || :
glslangValidator */shader.vert || :
3d_interlaced_merge/shader.frag
default_shader/shader.frag
minimap_shader/shader.frag
nodes_shader/shader.frag
ERROR: 0:28: 'FOG_START' : undeclared identifier 
ERROR: 0:28: '=' : global const initializers must be constant ' const mediump float'
ERROR: 2 compilation errors.  No code generated.


object_shader/shader.frag
ERROR: 0:25: 'FOG_START' : undeclared identifier 
ERROR: 0:25: '=' : global const initializers must be constant ' const mediump float'
ERROR: 2 compilation errors.  No code generated.


selection_shader/shader.frag
stars_shader/shader.frag
3d_interlaced_merge/shader.vert
ERROR: 0:17: 'assign' :  cannot convert from ' in mediump 4-component vector of float' to ' smooth out mediump 2-component vector of float'
ERROR: 0:17: '' : compilation terminated 
ERROR: 2 compilation errors.  No code generated.


default_shader/shader.vert
minimap_shader/shader.vert
nodes_shader/shader.vert
ERROR: 0:65: 'preprocessor evaluation' : undefined macro in expression not allowed in es profile MATERIAL_TYPE
ERROR: 0:65: 'preprocessor evaluation' : expected ')' 
ERROR: 0:65: '' : missing #endif 
ERROR: 3 compilation errors.  No code generated.


object_shader/shader.vert
ERROR: 0:54: 'preprocessor evaluation' : undefined macro in expression not allowed in es profile MATERIAL_TYPE
ERROR: 0:54: 'preprocessor evaluation' : expected ')' 
ERROR: 0:54: '' : missing #endif 
ERROR: 0:54: '' : compilation terminated 
ERROR: 4 compilation errors.  No code generated.


selection_shader/shader.vert
stars_shader/shader.vert