moxcms/conversions/sse/
rgb_xyz_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::TransformMatrixShaperOptimized;
30use crate::conversions::sse::rgb_xyz::SseAlignedU16;
31use crate::transform::PointeeSizeExpressible;
32use crate::{CmsError, Layout, TransformExecutor};
33use num_traits::AsPrimitive;
34#[cfg(target_arch = "x86")]
35use std::arch::x86::*;
36#[cfg(target_arch = "x86_64")]
37use std::arch::x86_64::*;
38
39pub(crate) struct TransformShaperRgbOptSse<
40    T: Clone + Copy + 'static + PointeeSizeExpressible + Default,
41    const SRC_LAYOUT: u8,
42    const DST_LAYOUT: u8,
43    const LINEAR_CAP: usize,
44    const GAMMA_LUT: usize,
45> {
46    pub(crate) profile: TransformMatrixShaperOptimized<T, LINEAR_CAP>,
47    pub(crate) bit_depth: usize,
48}
49
50impl<
51    T: Clone + Copy + 'static + PointeeSizeExpressible + Default,
52    const SRC_LAYOUT: u8,
53    const DST_LAYOUT: u8,
54    const LINEAR_CAP: usize,
55    const GAMMA_LUT: usize,
56> TransformShaperRgbOptSse<T, SRC_LAYOUT, DST_LAYOUT, LINEAR_CAP, GAMMA_LUT>
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 scale = (GAMMA_LUT - 1) as f32;
82        let max_colors: T = ((1 << self.bit_depth) - 1).as_();
83
84        unsafe {
85            let m0 = _mm_setr_ps(t.v[0][0], t.v[0][1], t.v[0][2], 0f32);
86            let m1 = _mm_setr_ps(t.v[1][0], t.v[1][1], t.v[1][2], 0f32);
87            let m2 = _mm_setr_ps(t.v[2][0], t.v[2][1], t.v[2][2], 0f32);
88
89            let zeros = _mm_setzero_ps();
90
91            let v_scale = _mm_set1_ps(scale);
92
93            for (src, dst) in src
94                .chunks_exact(src_channels)
95                .zip(dst.chunks_exact_mut(dst_channels))
96            {
97                let rp = &self.profile.linear[src[src_cn.r_i()]._as_usize()];
98                let gp = &self.profile.linear[src[src_cn.g_i()]._as_usize()];
99                let bp = &self.profile.linear[src[src_cn.b_i()]._as_usize()];
100
101                let mut r = _mm_load_ss(rp);
102                let mut g = _mm_load_ss(gp);
103                let mut b = _mm_load_ss(bp);
104                let a = if src_channels == 4 {
105                    src[src_cn.a_i()]
106                } else {
107                    max_colors
108                };
109
110                r = _mm_shuffle_ps::<0>(r, r);
111                g = _mm_shuffle_ps::<0>(g, g);
112                b = _mm_shuffle_ps::<0>(b, b);
113
114                let v0 = _mm_mul_ps(r, m0);
115                let v1 = _mm_mul_ps(g, m1);
116                let v2 = _mm_mul_ps(b, m2);
117
118                let mut v = _mm_add_ps(_mm_add_ps(v0, v1), v2);
119                v = _mm_max_ps(v, zeros);
120                v = _mm_mul_ps(v, v_scale);
121                v = _mm_min_ps(v, v_scale);
122
123                let zx = _mm_cvtps_epi32(v);
124                _mm_store_si128(temporary.0.as_mut_ptr() as *mut _, zx);
125
126                dst[dst_cn.r_i()] = self.profile.gamma[temporary.0[0] as usize];
127                dst[dst_cn.g_i()] = self.profile.gamma[temporary.0[2] as usize];
128                dst[dst_cn.b_i()] = self.profile.gamma[temporary.0[4] as usize];
129                if dst_channels == 4 {
130                    dst[dst_cn.a_i()] = a;
131                }
132            }
133        }
134
135        Ok(())
136    }
137}
138
139impl<
140    T: Clone + Copy + 'static + PointeeSizeExpressible + Default,
141    const SRC_LAYOUT: u8,
142    const DST_LAYOUT: u8,
143    const LINEAR_CAP: usize,
144    const GAMMA_LUT: usize,
145> TransformExecutor<T>
146    for TransformShaperRgbOptSse<T, SRC_LAYOUT, DST_LAYOUT, LINEAR_CAP, GAMMA_LUT>
147where
148    u32: AsPrimitive<T>,
149{
150    fn transform(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
151        unsafe { self.transform_impl(src, dst) }
152    }
153}
moxcms/conversions/sse/rgb_xyz_opt.rs

moxcms/conversions/sse/
rgb_xyz_opt.rs
