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finished reviewing normalize_v3s4 for now

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ed
2026-08-14 03:45:34 -04:00
parent 3a4d6304dd
commit b695056b9a
8 changed files with 226 additions and 103 deletions
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code/hello_camera/hello_camera.atom.c
+2 -6
View File
@@ -511,12 +511,8 @@ internal MipsAtom* resolve_look_at__matrix_vector_proc(AtomArena_R aa
* Pool cost: r_look_at (1) + r_scratch (carrier) + r_off_ptr + 1 clobber = 4 GPRs.
*/
I_ MipsAtom* resolve_look_at__trans_matrix_proc(AtomArena_R aa
, U4 r_look_at
, U4 r_scratch
, U4 r_off_ptr
, U4 r_tmp0
, U4 r_tmp1
, U4 r_tmp2
, U4 r_look_at, U4 r_scratch, U4 r_off_ptr
, U4 r_tmp0, U4 r_tmp1, U4 r_tmp2
) MipsAtom_Proc_(aa, {
/* Pop look_at* from tape. */
// load_word(r_Vlook_at, R_TapePtr, O_(Binds_ResolveLookAtPopAndTrans,look_at)),
code/hello_camera/hello_camera.c
+10 -10
View File
@@ -184,7 +184,7 @@ internal void resolve_look_at_init(void) {
U4 r_mac1 = R_T3;
U4 r_mac2 = R_T5;
U4 r_recip = R_T6;
U4 r_lzcr = R_T7;
U4 r_norm = R_T7;
U4 r_shift = R_V0;
U4 r_branch = R_V1;
// tb_emit_(
@@ -192,7 +192,7 @@ internal void resolve_look_at_init(void) {
R_ResolveScratch,
r_src_offset, r_dst_offset,
r_src_ptr, r_dst_ptr, r_tmp,
r_mac1, r_mac2, r_recip, r_lzcr,
r_mac1, r_mac2, r_recip, r_norm,
r_shift, r_branch);
// );
@@ -217,14 +217,14 @@ internal void resolve_look_at_init(void) {
U4 r_mac1_3 = R_T3;
U4 r_mac2_3 = R_T5;
U4 r_recip_3 = R_T6;
U4 r_lzcr_3 = R_T7;
U4 r_norm_3 = R_T7;
U4 r_shift_3 = R_V0;
U4 r_branch_3 = R_V1;
smem.resolve_look_at_atom_addrs[3] = normalize_v3s4_proc(& ab,
R_ResolveScratch,
r_src_offset_3, r_dst_offset_3,
r_src_ptr_3, r_dst_ptr_3, r_tmp_3,
r_mac1_3, r_mac2_3, r_recip_3, r_lzcr_3,
r_mac1_3, r_mac2_3, r_recip_3, r_norm_3,
r_shift_3, r_branch_3);
/* === ATOM 4: cross uz×ux→up === */
@@ -248,14 +248,14 @@ internal void resolve_look_at_init(void) {
U4 r_mac1_5 = R_T3;
U4 r_mac2_5 = R_T5;
U4 r_recip_5 = R_T6;
U4 r_lzcr_5 = R_T7;
U4 r_norm_5 = R_T7;
U4 r_shift_5 = R_V0;
U4 r_branch_5 = R_V1;
smem.resolve_look_at_atom_addrs[5] = normalize_v3s4_proc(& ab,
R_ResolveScratch,
r_src_offset_5, r_dst_offset_5,
r_src_ptr_5, r_dst_ptr_5, r_tmp_5,
r_mac1_5, r_mac2_5, r_recip_5, r_lzcr_5,
r_mac1_5, r_mac2_5, r_recip_5, r_norm_5,
r_shift_5, r_branch_5);
/* === ATOM 6a: populate (m[][] from ux/uy/uz, t[]=0) === */
@@ -370,10 +370,10 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
tb_data_(state, & smem.pad[0]);
tb_data_(cam, & smem.cam);
tb_emit_(pad_input_cube_rotation);
tb_data_(state, & smem.pad[0]);
tb_data_(cube_rot, & smem.cube.rot);
tb_data_(floor_rot, & smem.floor.rot);
// tb_emit_(pad_input_cube_rotation);
// tb_data_(state, & smem.pad[0]);
// tb_data_(cube_rot, & smem.cube.rot);
// tb_data_(floor_rot, & smem.floor.rot);
}
}