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0ab928e060
Avoid unnecessary allocation of temporary buffers for each mip, and creates only one Image with the compressed data. Also renames variable and reorders code for clarity. Clarify that squish is now only used for decompression. Documented which formats can be decompressed in Image.
53 lines
2.8 KiB
C++
53 lines
2.8 KiB
C++
/*************************************************************************/
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/* image_compress_etcpak.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef IMAGE_COMPRESS_ETCPAK_H
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#define IMAGE_COMPRESS_ETCPAK_H
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#include "core/io/image.h"
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enum class EtcpakType {
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ETCPAK_TYPE_ETC1,
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ETCPAK_TYPE_ETC2,
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ETCPAK_TYPE_ETC2_ALPHA,
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ETCPAK_TYPE_ETC2_RA_AS_RG,
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ETCPAK_TYPE_DXT1,
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ETCPAK_TYPE_DXT5,
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ETCPAK_TYPE_DXT5_RA_AS_RG,
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};
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void _compress_etc1(Image *r_img, float p_lossy_quality);
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void _compress_etc2(Image *r_img, float p_lossy_quality, Image::UsedChannels p_channels);
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void _compress_bc(Image *r_img, float p_lossy_quality, Image::UsedChannels p_channels);
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void _compress_etcpak(EtcpakType p_compresstype, Image *r_img, float p_lossy_quality);
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#endif // IMAGE_COMPRESS_ETCPAK_H
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