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