Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
752 B
C
29 lines
752 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#ifndef _VKMS_COMPOSER_H_
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#define _VKMS_COMPOSER_H_
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#include <kunit/visibility.h>
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#include "vkms_drv.h"
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/*
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* This enum is related to the positions of the variables inside
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* `struct drm_color_lut`, so the order of both needs to be the same.
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*/
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enum lut_channel {
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LUT_RED = 0,
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LUT_GREEN,
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LUT_BLUE,
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LUT_RESERVED
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};
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#if IS_ENABLED(CONFIG_KUNIT)
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u16 lerp_u16(u16 a, u16 b, s64 t);
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s64 get_lut_index(const struct vkms_color_lut *lut, u16 channel_value);
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u16 apply_lut_to_channel_value(const struct vkms_color_lut *lut, u16 channel_value,
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enum lut_channel channel);
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void apply_3x4_matrix(struct pixel_argb_s32 *pixel, const struct drm_color_ctm_3x4 *matrix);
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#endif
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#endif /* _VKMS_COMPOSER_H_ */
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