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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Mar 2025 23:46:20.6701 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 24d1cd2d-0219-4652-0341-08dd6cc068fc X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF00000012.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB9492 X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" This script converts a 17x17x17 3D LUT in a txt file to the following (i.e. 4913 entries): { .red = 0.000000, .green = 0.000000, .blue = 0.000000 }, { .red = 0.175580, .green = 0.003419, .blue = 0.006838 }, { .red = 0.338706, .green = 0.015140, .blue = 0.012454 }, ... The text file should contains 3 column (RGB) in following form: 0000 0000 0000 0255 0307 0606 0225 0306 0893 ... Signed-off-by: Alex Hung --- scripts/convert_3dlut.py | 94 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100755 scripts/convert_3dlut.py diff --git a/scripts/convert_3dlut.py b/scripts/convert_3dlut.py new file mode 100755 index 000000000..35189b549 --- /dev/null +++ b/scripts/convert_3dlut.py @@ -0,0 +1,94 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: (GPL-2.0 OR MIT) + +## Copyright (C) 2024 Advanced Micro Devices, Inc. ## +## Author: Alex Hung ## + +import sys, os, argparse +import numpy as np +import pprint + +import pprint + +class Color: + def __init__(self, r, g, b): + self.r = r + self.g = g + self.b = b + def __str__(self): + r = self.r + g = self.g + b = self.b + rgb = "\t{ " + ".red = {0:05f}, .green = {1:05f}, .blue = {2:05f}".format(r, g, b) + " }," + return rgb + +def print_lut(ind, lut): + for i, v in enumerate(lut): + if (i - ind) % (17 * 17) == 0: + print(str(i) + " " + v) + #print(v) + +def parse_lut_file(file_path, max_value=4095): + lut = [] + + try: + with open(file_path, "r") as file: + for line in file: + values = line.strip().split() # Split values by spaces or tabs + if len(values) == 3: + r, g, b = map(float, values) # Convert to floats + r = r / max_value + g = g / max_value + b = b / max_value + color = Color(r, g, b) + lut.append(color) + else: + print(f"Skipping invalid line: '{line.strip()}'") + except FileNotFoundError: + print(f"File '{file_path}' not found.") + + return lut + +def fill_3d_array(lut, size=17): + lut3d = np.zeros((size, size, size), dtype=object) + + for i in range(size): + for j in range(size): + for k in range(size): + index = i * (size ** 2) + j * size + k + color = lut[index] + lut3d[i][j][k] = color + return lut3d + +def print_3d_array_rgb(lut3d, size=17): + for i in range(size): + for j in range(size): + for k in range(size): + print(lut3d[i][j][k]) + +def print_3d_array_bgr(lut3d, size=17): + for i in range(size): + for j in range(size): + for k in range(size): + print(lut3d[k][j][i]) + +def main(): + + parser = argparse.ArgumentParser(description='Convert integer values in a 3D LUT file to IGT format.') + parser.add_argument("-f", "--input", help="3D LUT file", required=True) + parser.add_argument("-t", "--traversal", help="traversal order", required=True) + args = parser.parse_args() + + lut = parse_lut_file(args.input) + lut3d = fill_3d_array(lut) + + if args.traversal.lower() == "rgb": + print_3d_array_rgb(lut3d) + elif args.traversal.lower() == "bgr": + print_3d_array_bgr(lut3d) + + return 0 + +if __name__ == "__main__": + ret = main() + sys.exit(ret) -- 2.43.0