godot/modules/basis_universal/SCsub
2024-10-12 18:02:44 +02:00

92 lines
3.1 KiB
Python

#!/usr/bin/env python
from misc.utility.scons_hints import *
Import("env")
Import("env_modules")
env_basisu = env_modules.Clone()
# Thirdparty source files
thirdparty_obj = []
# Not unbundled so far since not widespread as shared library
thirdparty_dir = "#thirdparty/basis_universal/"
# Sync list with upstream CMakeLists.txt
encoder_sources = [
"3rdparty/android_astc_decomp.cpp",
"basisu_astc_hdr_enc.cpp",
"basisu_backend.cpp",
"basisu_basis_file.cpp",
"basisu_bc7enc.cpp",
"basisu_opencl.cpp",
"basisu_comp.cpp",
"basisu_enc.cpp",
"basisu_etc.cpp",
"basisu_frontend.cpp",
"basisu_gpu_texture.cpp",
"basisu_kernels_sse.cpp",
"basisu_pvrtc1_4.cpp",
"basisu_resampler.cpp",
"basisu_resample_filters.cpp",
"basisu_ssim.cpp",
"basisu_uastc_enc.cpp",
"pvpngreader.cpp",
]
encoder_sources = [thirdparty_dir + "encoder/" + file for file in encoder_sources]
transcoder_sources = [thirdparty_dir + "transcoder/basisu_transcoder.cpp"]
# Treat Basis headers as system headers to avoid raising warnings. Not supported on MSVC.
if not env.msvc:
env_basisu.Append(
CPPFLAGS=["-isystem", Dir(thirdparty_dir).path, "-isystem", Dir("#thirdparty/jpeg-compressor").path]
)
else:
env_basisu.Prepend(CPPPATH=[thirdparty_dir, "#thirdparty/jpeg-compressor"])
if env["builtin_zstd"]:
env_basisu.Prepend(CPPPATH=["#thirdparty/zstd"])
env_basisu.Prepend(CPPPATH=["#thirdparty/tinyexr"])
if env.dev_build:
env_basisu.Append(CPPDEFINES=[("BASISU_DEVEL_MESSAGES", 1), ("BASISD_ENABLE_DEBUG_FLAGS", 1)])
env_thirdparty = env_basisu.Clone()
env_thirdparty.disable_warnings()
# Disable unneeded features to reduce binary size.
# <https://github.com/BinomialLLC/basis_universal/wiki/How-to-Use-and-Configure-the-Transcoder>
env_thirdparty.Append(
CPPDEFINES=[
# Storage formats.
# Godot only implements `.basis` support through basis_universal.
# Support for `.ktx` files are implemented with a direct libktx implementation.
# Building the encoder requires `BASISD_SUPPORT_KTX2` to be enabled,
# so we can only disable Zstandard compression for `.ktx` files
# (this is not used in `.basis` files).
("BASISD_SUPPORT_KTX2_ZSTD", 0),
# GPU compression formats.
("BASISD_SUPPORT_ATC", 0), # Proprietary Adreno format not supported by Godot.
("BASISD_SUPPORT_FXT1", 0), # Legacy format not supported by Godot.
("BASISD_SUPPORT_PVRTC1", 0), # Legacy format not supported by Godot.
("BASISD_SUPPORT_PVRTC2", 0), # Legacy format not supported by Godot.
]
)
if env.editor_build:
env_thirdparty.Append(CPPDEFINES=["BASISU_NO_IMG_LOADERS"])
env_thirdparty.add_source_files(thirdparty_obj, encoder_sources)
env_thirdparty.add_source_files(thirdparty_obj, transcoder_sources)
env.modules_sources += thirdparty_obj
# Godot source files
module_obj = []
env_basisu.add_source_files(module_obj, "*.cpp")
env.modules_sources += module_obj
# Needed to force rebuilding the module files when the thirdparty library is updated.
env.Depends(module_obj, thirdparty_obj)