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#!/bin/sh
set -e
usage() {
echo "Usage: $0 <src_dir> <output_header> <shader_file1> [shader_file2 ...]"
echo
echo "Generates a C header file containing hex-encoded shader data."
echo
echo "Arguments:"
echo " src_dir Path to the base of the source directory"
echo " output_header Path to the generated header file"
echo " shader_file(s) One or more shader files to embed in the header"
exit 1
}
if [ $# -lt 4 ]; then
echo "Error: Invalid argument count."
usage
fi
src_dir="$1"; shift
build_path="$1"; shift
cat <<EOF > "$build_path"
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* This file is auto-generated, do not edit! */
#pragma once
EOF
cat <<EOF >> "$build_path"
/*
* List the names of the shaders at the top of
* header for readability's sake
*
EOF
for file in "$@"; do
name=$(basename "$file" | tr '.' '_')
echo "[SHADER-GEN] $name"
echo " * unsigned char $name;" >> "$build_path"
done
echo "*/" >> "$build_path"
echo "/* Hex encoded shader data */" >> "$build_path"
for file in "$@"; do
name=$(basename "$file")
"$src_dir/utils/gen-shader-header.py" "$name" "$file" >> "$build_path"
echo >> "$build_path"
done
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