#!/bin/bash

GENERATED_DATA_PATH="../openVulkanoCpp/GeneratedShaderData"
SHADER_PATH="../openVulkanoCpp/Shader"

check_return_code() {
  # return code of last executed command  
  retVal=$?
  if [ $retVal -ne 0 ]; then
    exit 1
  fi
}

rm -f *.spv

for f in $SHADER_PATH/*.vert ; do
  filename=$(basename -- "$f")
  filename_no_ext="${filename%.*}"
  filename_no_ext_first_upper="${filename_no_ext^}"
  
  glslang -V $f -o $filename_no_ext.vert.spv
  check_return_code
  glslang -V $SHADER_PATH/$filename_no_ext.frag -o $filename_no_ext.frag.spv
  check_return_code
  rm $GENERATED_DATA_PATH/$filename_no_ext.h $GENERATED_DATA_PATH/$filename_no_ext.c
  bin2c -t -d $GENERATED_DATA_PATH/$filename_no_ext.h -o $GENERATED_DATA_PATH/$filename_no_ext.c $filename_no_ext.vert.spv $filename_no_ext.frag.spv
  check_return_code
  sed -i 's/char \*entryName/const char *entryName/' $GENERATED_DATA_PATH/$filename_no_ext.h
  sed -i 's/const char \*data/const unsigned char *data/' $GENERATED_DATA_PATH/$filename_no_ext.h
  # avoid ODR violation
  sed -i "s/fileTable/fileTable${filename_no_ext_first_upper}/" $GENERATED_DATA_PATH/$filename_no_ext.h $GENERATED_DATA_PATH/$filename_no_ext.c
  sed -i "s/typedef struct {/#ifndef TFileTableEntry_H_INCLUDED\n#define TFileTableEntry_H_INCLUDED\ntypedef struct {/" $GENERATED_DATA_PATH/$filename_no_ext.h
  sed -i "s/} TFileTableEntry;/} TFileTableEntry;\n#endif \/*TFileTableEntry_H_INCLUDED*\//" $GENERATED_DATA_PATH/$filename_no_ext.h
  rm *.spv
done