29 lines
931 B
Python
29 lines
931 B
Python
# Copyright (c) 2023, Shukant Pal and Contributors
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# SPDX-License-Identifier: Apache-2.0
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from enum import IntEnum
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class KtxTranscodeFlagBits(IntEnum):
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"""Flags guiding transcoding of Basis Universal compressed textures."""
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PVRTC_DECODE_TO_NEXT_POW2 = 2
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"""
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PVRTC1: decode non-pow2 ETC1S texture level to the next larger
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power of 2 (not implemented yet, but we're going to support it).
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Ignored if the slice's dimensions are already a power of 2.
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"""
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TRANSCODE_ALPHA_DATA_TO_OPAQUE_FORMATS = 4
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"""
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When decoding to an opaque texture format, if the Basis data has
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alpha, decode the alpha slice instead of the color slice to the
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output texture format. Has no effect if there is no alpha data.
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"""
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HIGH_QUALITY = 32
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"""
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Request higher quality transcode of UASTC to BC1, BC3, ETC2_EAC_R11 and
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ETC2_EAC_RG11. The flag is unused by other UASTC transcoders.
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"""
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