112 lines
3.2 KiB
C
112 lines
3.2 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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__m128 l0, l1, l2, l3, r;
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l0 = glmm_load(m1[0]);
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l1 = glmm_load(m1[1]);
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l2 = glmm_load(m1[2]);
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l3 = glmm_load(m1[3]);
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r = glmm_load(m2[0]);
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glmm_store(dest[0],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_mul_ps(glmm_shuff1x(r, 2), l2)));
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r = glmm_load(m2[1]);
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glmm_store(dest[1],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_mul_ps(glmm_shuff1x(r, 2), l2)));
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r = glmm_load(m2[2]);
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glmm_store(dest[2],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_mul_ps(glmm_shuff1x(r, 2), l2)));
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r = glmm_load(m2[3]);
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glmm_store(dest[3],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 2), l2),
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_mm_mul_ps(glmm_shuff1x(r, 3), l3))));
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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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__m128 l0, l1, l2, l3, r;
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l0 = glmm_load(m1[0]);
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l1 = glmm_load(m1[1]);
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l2 = glmm_load(m1[2]);
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l3 = glmm_load(m1[3]);
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r = glmm_load(m2[0]);
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glmm_store(dest[0],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_mul_ps(glmm_shuff1x(r, 2), l2)));
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r = glmm_load(m2[1]);
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glmm_store(dest[1],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_mul_ps(glmm_shuff1x(r, 2), l2)));
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r = glmm_load(m2[2]);
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glmm_store(dest[2],
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_mm_add_ps(_mm_add_ps(_mm_mul_ps(glmm_shuff1x(r, 0), l0),
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_mm_mul_ps(glmm_shuff1x(r, 1), l1)),
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_mm_mul_ps(glmm_shuff1x(r, 2), l2)));
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glmm_store(dest[3], l3);
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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;
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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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x0 = _mm_add_ps(_mm_mul_ps(r0, glmm_shuff1(r3, 0, 0, 0, 0)),
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_mm_mul_ps(r1, glmm_shuff1(r3, 1, 1, 1, 1)));
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x0 = _mm_add_ps(x0, _mm_mul_ps(r2, glmm_shuff1(r3, 2, 2, 2, 2)));
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x0 = _mm_xor_ps(x0, _mm_set1_ps(-0.f));
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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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