116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
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/*
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* Copyright (c), Recep Aslantas.
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*
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* MIT License (MIT), http://opensource.org/licenses/MIT
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* Full license can be found in the LICENSE file
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*/
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#ifndef cglm_affine_mat_sse2_h
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#define cglm_affine_mat_sse2_h
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#if defined( __SSE__ ) || defined( __SSE2__ )
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#include "../../common.h"
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#include "../intrin.h"
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CGLM_INLINE
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void
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glm_mul_sse2(mat4 m1, mat4 m2, mat4 dest) {
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/* D = R * L (Column-Major) */
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glmm_128 l, r0, r1, r2, r3, v0, v1, v2, v3;
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l = glmm_load(m1[0]);
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r0 = glmm_load(m2[0]);
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r1 = glmm_load(m2[1]);
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r2 = glmm_load(m2[2]);
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r3 = glmm_load(m2[3]);
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v0 = _mm_mul_ps(glmm_splat_x(r0), l);
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v1 = _mm_mul_ps(glmm_splat_x(r1), l);
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v2 = _mm_mul_ps(glmm_splat_x(r2), l);
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v3 = _mm_mul_ps(glmm_splat_x(r3), l);
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l = glmm_load(m1[1]);
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v0 = glmm_fmadd(glmm_splat_y(r0), l, v0);
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v1 = glmm_fmadd(glmm_splat_y(r1), l, v1);
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v2 = glmm_fmadd(glmm_splat_y(r2), l, v2);
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v3 = glmm_fmadd(glmm_splat_y(r3), l, v3);
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l = glmm_load(m1[2]);
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v0 = glmm_fmadd(glmm_splat_z(r0), l, v0);
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v1 = glmm_fmadd(glmm_splat_z(r1), l, v1);
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v2 = glmm_fmadd(glmm_splat_z(r2), l, v2);
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v3 = glmm_fmadd(glmm_splat_z(r3), l, v3);
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l = glmm_load(m1[3]);
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v3 = glmm_fmadd(glmm_splat_w(r3), l, v3);
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glmm_store(dest[0], v0);
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glmm_store(dest[1], v1);
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glmm_store(dest[2], v2);
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glmm_store(dest[3], v3);
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}
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CGLM_INLINE
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void
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glm_mul_rot_sse2(mat4 m1, mat4 m2, mat4 dest) {
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/* D = R * L (Column-Major) */
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glmm_128 l, r0, r1, r2, v0, v1, v2;
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l = glmm_load(m1[0]);
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r0 = glmm_load(m2[0]);
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r1 = glmm_load(m2[1]);
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r2 = glmm_load(m2[2]);
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v0 = _mm_mul_ps(glmm_splat_x(r0), l);
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v1 = _mm_mul_ps(glmm_splat_x(r1), l);
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v2 = _mm_mul_ps(glmm_splat_x(r2), l);
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l = glmm_load(m1[1]);
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v0 = glmm_fmadd(glmm_splat_y(r0), l, v0);
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v1 = glmm_fmadd(glmm_splat_y(r1), l, v1);
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v2 = glmm_fmadd(glmm_splat_y(r2), l, v2);
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l = glmm_load(m1[2]);
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v0 = glmm_fmadd(glmm_splat_z(r0), l, v0);
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v1 = glmm_fmadd(glmm_splat_z(r1), l, v1);
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v2 = glmm_fmadd(glmm_splat_z(r2), l, v2);
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glmm_store(dest[0], v0);
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glmm_store(dest[1], v1);
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glmm_store(dest[2], v2);
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glmm_store(dest[3], glmm_load(m1[3]));
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}
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CGLM_INLINE
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void
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glm_inv_tr_sse2(mat4 mat) {
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__m128 r0, r1, r2, r3, x0, x1, x2, x3, x4, x5;
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r0 = glmm_load(mat[0]);
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r1 = glmm_load(mat[1]);
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r2 = glmm_load(mat[2]);
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r3 = glmm_load(mat[3]);
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x1 = _mm_set_ps(1.0f, 0.0f, 0.0f, 0.0f);
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_MM_TRANSPOSE4_PS(r0, r1, r2, x1);
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x2 = glmm_shuff1(r3, 0, 0, 0, 0);
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x3 = glmm_shuff1(r3, 1, 1, 1, 1);
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x4 = glmm_shuff1(r3, 2, 2, 2, 2);
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x5 = _mm_set1_ps(-0.f);
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x0 = glmm_fmadd(r0, x2, glmm_fmadd(r1, x3, _mm_mul_ps(r2, x4)));
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x0 = _mm_xor_ps(x0, x5);
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x0 = _mm_add_ps(x0, x1);
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glmm_store(mat[0], r0);
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glmm_store(mat[1], r1);
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glmm_store(mat[2], r2);
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glmm_store(mat[3], x0);
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}
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#endif
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#endif /* cglm_affine_mat_sse2_h */
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