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43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
/* Python-rgbcx Texture Compression Library
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Copyright (C) 2021 Andrew Cassidy <drewcassidy@me.com>
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Partially derived from rgbcx.h written by Richard Geldreich <richgel99@gmail.com>
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and licenced under the public domain
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../BlockDecoder.h"
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#include "../blocks.h"
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#include "../interpolator.h"
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#include "../ndebug.h"
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#include "../ColorBlock.h"
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namespace rgbcx {
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class BC1Decoder final : public BlockDecoder<BC1Block, 4, 4> {
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public:
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BC1Decoder(const Interpolator &interpolator = Interpolator(), bool write_alpha = false) : _interpolator(interpolator), _write_alpha(write_alpha) {}
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void DecodeBlock(Color4x4 dest, BC1Block *const block) const noexcept(ndebug) override;
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constexpr const Interpolator &GetInterpolator() const { return _interpolator; }
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constexpr bool WritesAlpha() const { return _write_alpha; }
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private:
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const Interpolator &_interpolator;
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const bool _write_alpha;
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};
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} // namespace rgbcx
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