mirror of
https://github.com/recp/cglm.git
synced 2026-02-17 03:39:05 +00:00
fix rigid-body inverse SSE2
This commit is contained in:
@@ -52,22 +52,22 @@ glm_mul_sse2(mat4 m1, mat4 m2, mat4 dest) {
|
|||||||
CGLM_INLINE
|
CGLM_INLINE
|
||||||
void
|
void
|
||||||
glm_inv_tr_sse2(mat4 mat) {
|
glm_inv_tr_sse2(mat4 mat) {
|
||||||
__m128 r0, r1, r2, r3, x0;
|
__m128 r0, r1, r2, r3, x0, x1;
|
||||||
|
|
||||||
r0 = _mm_load_ps(mat[0]);
|
r0 = _mm_load_ps(mat[0]);
|
||||||
r1 = _mm_load_ps(mat[1]);
|
r1 = _mm_load_ps(mat[1]);
|
||||||
r2 = _mm_load_ps(mat[2]);
|
r2 = _mm_load_ps(mat[2]);
|
||||||
r3 = _mm_load_ps(mat[3]);
|
r3 = _mm_load_ps(mat[3]);
|
||||||
|
x1 = _mm_set_ps(1.0f, 0.0f, 0.0f, 0.0f);
|
||||||
|
|
||||||
|
_MM_TRANSPOSE4_PS(r0, r1, r2, x1);
|
||||||
|
|
||||||
x0 = _mm_add_ps(_mm_mul_ps(r0, _mm_shuffle1_ps(r3, 0, 0, 0, 0)),
|
x0 = _mm_add_ps(_mm_mul_ps(r0, _mm_shuffle1_ps(r3, 0, 0, 0, 0)),
|
||||||
_mm_mul_ps(r1, _mm_shuffle1_ps(r3, 1, 1, 1, 1)));
|
_mm_mul_ps(r1, _mm_shuffle1_ps(r3, 1, 1, 1, 1)));
|
||||||
x0 = _mm_add_ps(x0, _mm_mul_ps(r2, _mm_shuffle1_ps(r3, 2, 2, 2, 2)));
|
x0 = _mm_add_ps(x0, _mm_mul_ps(r2, _mm_shuffle1_ps(r3, 2, 2, 2, 2)));
|
||||||
x0 = _mm_xor_ps(x0, _mm_set1_ps(-0.f));
|
x0 = _mm_xor_ps(x0, _mm_set1_ps(-0.f));
|
||||||
|
|
||||||
r3 = _mm_set_ps(1.0f, 0.0f, 0.0f, 0.0f);
|
x0 = _mm_add_ps(x0, x1);
|
||||||
x0 = _mm_add_ps(x0, r3);
|
|
||||||
|
|
||||||
_MM_TRANSPOSE4_PS(r0, r1, r2, r3);
|
|
||||||
|
|
||||||
_mm_store_ps(mat[0], r0);
|
_mm_store_ps(mat[0], r0);
|
||||||
_mm_store_ps(mat[1], r1);
|
_mm_store_ps(mat[1], r1);
|
||||||
|
|||||||
Reference in New Issue
Block a user