moxcms/conversions/sse/
rgb_xyz_q2_13_opt.rs

1/*
2 * // Copyright (c) Radzivon Bartoshyk 3/2025. All rights reserved.
3 * //
4 * // Redistribution and use in source and binary forms, with or without modification,
5 * // are permitted provided that the following conditions are met:
6 * //
7 * // 1.  Redistributions of source code must retain the above copyright notice, this
8 * // list of conditions and the following disclaimer.
9 * //
10 * // 2.  Redistributions in binary form must reproduce the above copyright notice,
11 * // this list of conditions and the following disclaimer in the documentation
12 * // and/or other materials provided with the distribution.
13 * //
14 * // 3.  Neither the name of the copyright holder nor the names of its
15 * // contributors may be used to endorse or promote products derived from
16 * // this software without specific prior written permission.
17 * //
18 * // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
22 * // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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27 * // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29use crate::conversions::rgbxyz_fixed::TransformMatrixShaperFpOptVec;
30use crate::conversions::sse::rgb_xyz::SseAlignedU16;
31use crate::conversions::sse::rgb_xyz_q2_13::_xmm_load_epi32;
32use crate::transform::PointeeSizeExpressible;
33use crate::{CmsError, Layout, TransformExecutor};
34use num_traits::AsPrimitive;
35#[cfg(target_arch = "x86")]
36use std::arch::x86::*;
37#[cfg(target_arch = "x86_64")]
38use std::arch::x86_64::*;
39
40pub(crate) struct TransformShaperQ2_13OptSse<
41    T: Copy,
42    const SRC_LAYOUT: u8,
43    const DST_LAYOUT: u8,
44    const PRECISION: i32,
45> {
46    pub(crate) profile: TransformMatrixShaperFpOptVec<i32, i16, T>,
47    pub(crate) bit_depth: usize,
48    pub(crate) gamma_lut: usize,
49}
50
51impl<
52    T: Copy + PointeeSizeExpressible + 'static,
53    const SRC_LAYOUT: u8,
54    const DST_LAYOUT: u8,
55    const PRECISION: i32,
56> TransformShaperQ2_13OptSse<T, SRC_LAYOUT, DST_LAYOUT, PRECISION>
57where
58    u32: AsPrimitive<T>,
59{
60    #[target_feature(enable = "sse4.1")]
61    unsafe fn transform_impl(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
62        let src_cn = Layout::from(SRC_LAYOUT);
63        let dst_cn = Layout::from(DST_LAYOUT);
64        let src_channels = src_cn.channels();
65        let dst_channels = dst_cn.channels();
66
67        let mut temporary = SseAlignedU16([0; 8]);
68
69        if src.len() / src_channels != dst.len() / dst_channels {
70            return Err(CmsError::LaneSizeMismatch);
71        }
72        if src.len() % src_channels != 0 {
73            return Err(CmsError::LaneMultipleOfChannels);
74        }
75        if dst.len() % dst_channels != 0 {
76            return Err(CmsError::LaneMultipleOfChannels);
77        }
78
79        let t = self.profile.adaptation_matrix.transpose();
80
81        let max_colors = ((1 << self.bit_depth) - 1).as_();
82
83        unsafe {
84            let m0 = _mm_setr_epi16(
85                t.v[0][0], t.v[1][0], t.v[0][1], t.v[1][1], t.v[0][2], t.v[1][2], 0, 0,
86            );
87            let m2 = _mm_setr_epi16(t.v[2][0], 1, t.v[2][1], 1, t.v[2][2], 1, 0, 0);
88
89            let rnd_val = ((1i32 << (PRECISION - 1)) as i16).to_ne_bytes();
90            let rnd = _mm_set1_epi32(i32::from_ne_bytes([0, 0, rnd_val[0], rnd_val[1]]));
91
92            let v_max_value = _mm_set1_epi32(self.gamma_lut as i32 - 1);
93
94            // safety precondition for linearization table
95            if T::FINITE {
96                let cap = (1 << self.bit_depth) - 1;
97                assert!(self.profile.linear.len() >= cap);
98            } else {
99                assert!(self.profile.linear.len() >= T::NOT_FINITE_LINEAR_TABLE_SIZE);
100            }
101
102            let lut_lin = &self.profile.linear;
103
104            for (src, dst) in src
105                .chunks_exact(src_channels)
106                .zip(dst.chunks_exact_mut(dst_channels))
107            {
108                let rp = lut_lin.get_unchecked(src[src_cn.r_i()]._as_usize());
109                let gp = lut_lin.get_unchecked(src[src_cn.g_i()]._as_usize());
110                let bp = lut_lin.get_unchecked(src[src_cn.b_i()]._as_usize());
111
112                let mut r = _xmm_load_epi32(rp);
113                let mut g = _xmm_load_epi32(gp);
114                let mut b = _xmm_load_epi32(bp);
115                let a = if src_channels == 4 {
116                    src[src_cn.a_i()]
117                } else {
118                    max_colors
119                };
120
121                r = _mm_shuffle_epi32::<0>(r);
122                g = _mm_shuffle_epi32::<0>(g);
123                b = _mm_shuffle_epi32::<0>(b);
124
125                g = _mm_slli_epi32::<16>(g);
126
127                let zrg0 = _mm_or_si128(r, g);
128                let zbz0 = _mm_or_si128(b, rnd);
129
130                let v0 = _mm_madd_epi16(zrg0, m0);
131                let v1 = _mm_madd_epi16(zbz0, m2);
132
133                let mut v = _mm_add_epi32(v0, v1);
134
135                v = _mm_srai_epi32::<PRECISION>(v);
136                v = _mm_max_epi32(v, _mm_setzero_si128());
137                v = _mm_min_epi32(v, v_max_value);
138
139                _mm_store_si128(temporary.0.as_mut_ptr() as *mut _, v);
140
141                dst[dst_cn.r_i()] = self.profile.gamma[temporary.0[0] as usize];
142                dst[dst_cn.g_i()] = self.profile.gamma[temporary.0[2] as usize];
143                dst[dst_cn.b_i()] = self.profile.gamma[temporary.0[4] as usize];
144                if dst_channels == 4 {
145                    dst[dst_cn.a_i()] = a;
146                }
147            }
148        }
149
150        Ok(())
151    }
152}
153
154impl<
155    T: Copy + PointeeSizeExpressible + 'static + Default,
156    const SRC_LAYOUT: u8,
157    const DST_LAYOUT: u8,
158    const PRECISION: i32,
159> TransformExecutor<T> for TransformShaperQ2_13OptSse<T, SRC_LAYOUT, DST_LAYOUT, PRECISION>
160where
161    u32: AsPrimitive<T>,
162{
163    fn transform(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
164        unsafe { self.transform_impl(src, dst) }
165    }
166}
moxcms/conversions/sse/rgb_xyz_q2_13_opt.rs

moxcms/conversions/sse/
rgb_xyz_q2_13_opt.rs
