Files
external_libcamera/utils/gen-shader-header.py
Bryan O'Donoghue 19371dee41 utils: gen-shader-headers: Add a utility to generate headers from shaders
Two simple script to generate a header that contains GLSL shaders translated
to C arrays.

Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2025-12-12 23:07:01 +00:00

38 lines
971 B
Python
Executable File

#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2025, Bryan O'Donoghue.
#
# Author: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
#
# A Python script which takes a list of shader files and converts each of them
# into a C header.
#
import sys
try:
with open(sys.argv[2], "rb") as file:
data = file.read()
data_len = len(data)
name = sys.argv[1].replace(".", "_")
name_len = name + "_len"
j = 0
print("unsigned char const", name, "[] = {")
for ch in data:
print(f"0x{ch:02x}, ", end="")
j = (j + 1) % 16
if j == 0:
print()
if j != 0:
print()
print("};")
print()
print(f"const unsigned int {name_len}={data_len};")
except FileNotFoundError:
print(f"File {sys.argv[2]} not found", file=sys.stderr)
except IOError:
print(f"Unable to read {sys.argv[2]}", file=sys.stderr)