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improving dsl: gte.

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ed
2026-07-08 00:37:27 -04:00
parent d0b1bae896
commit 10c8dcdc07
5 changed files with 183 additions and 45 deletions
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code/duffle/lottes_tape.h
+9 -9
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@@ -102,9 +102,9 @@ FI_ Slice_U4 tb_slice(TapeBuilder tb) { return (Sli
/* Words: 18; Translates indices to vertex addresses and pushes them to GTE */
#define mac_load_tri_verts(rId_0, rId_1, rId_2) \
shift_lleft(R_AT, rId_0, v3s2_byteoff), add_u_self(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mt(R_V0, C2_VXY0), gte_mt(R_V1, C2_VZ0) \
, shift_lleft(R_AT, rId_1, v3s2_byteoff), add_u_self(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mt(R_V0, C2_VXY1), gte_mt(R_V1, C2_VZ1) \
, shift_lleft(R_AT, rId_2, v3s2_byteoff), add_u_self(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mt(R_V0, C2_VXY2), gte_mt(R_V1, C2_VZ2)
shift_lleft(R_AT, rId_0, v3s2_byteoff), add_u_self(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mv_to_data_r(R_V0, C2_VXY0), gte_mv_to_data_r(R_V1, C2_VZ0) \
, shift_lleft(R_AT, rId_1, v3s2_byteoff), add_u_self(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mv_to_data_r(R_V0, C2_VXY1), gte_mv_to_data_r(R_V1, C2_VZ1) \
, shift_lleft(R_AT, rId_2, v3s2_byteoff), add_u_self(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mv_to_data_r(R_V0, C2_VXY2), gte_mv_to_data_r(R_V1, C2_VZ2)
/* Words: 11; Correctly inserts a primitive into the Ordering Table linked list */
#define mac_insert_ot_tag(r_otz, prim_length) \
@@ -194,11 +194,11 @@ internal MipsAtom_(set_gte_world) {
// TODO(Ed): Annotate magic offsets.
/* Load 3x3 Rotation + 3x1 Translation from R_T3 into GTE CONTROL Regs (ctc2) */
load_word(R_T0, R_T3, 0), load_word(R_T1, R_T3, 4),
gte_ct( R_T0, gte_cr_RT11), gte_ct( R_T1, gte_cr_RT12),
gte_mv_to_ctrl_r( R_T0, gte_cr_RT11), gte_mv_to_ctrl_r( R_T1, gte_cr_RT12),
load_word(R_T0, R_T3, 8), load_word(R_T1, R_T3, 12), load_word(R_T2, R_T3, 16),
gte_ct( R_T0, gte_cr_RT13), gte_ct( R_T1, gte_cr_RT21), gte_ct( R_T2, gte_cr_RT22),
gte_mv_to_ctrl_r( R_T0, gte_cr_RT13), gte_mv_to_ctrl_r( R_T1, gte_cr_RT21), gte_mv_to_ctrl_r( R_T2, gte_cr_RT22),
load_word(R_T0, R_T3, 20), load_word(R_T1, R_T3, 24), load_word(R_T2, R_T3, 28),
gte_ct( R_T0, gte_cr_TRX), gte_ct( R_T1, gte_cr_TRY), gte_ct( R_T2, gte_cr_TRZ),
gte_mv_to_ctrl_r( R_T0, gte_cr_TRX), gte_mv_to_ctrl_r( R_T1, gte_cr_TRY), gte_mv_to_ctrl_r( R_T2, gte_cr_TRZ),
mac_yield()
};
@@ -249,15 +249,15 @@ internal MipsAtom_(diag_gte) {
/* Load Vertices into GTE */
shift_lleft( R_AT, R_T0, 3), add_u( R_AT, R_AT, R_T5),
load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4),
gte_mt( R_V0, C2_VXY0), gte_mt( R_V1, C2_VZ0),
gte_mv_to_data_r( R_V0, C2_VXY0), gte_mv_to_data_r( R_V1, C2_VZ0),
shift_lleft( R_AT, R_T1, 3), add_u( R_AT, R_AT, R_T5),
load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4),
gte_mt( R_V0, C2_VXY1), gte_mt( R_V1, C2_VZ1),
gte_mv_to_data_r( R_V0, C2_VXY1), gte_mv_to_data_r( R_V1, C2_VZ1),
shift_lleft( R_AT, R_T2, 3), add_u( R_AT, R_AT, R_T5),
load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4),
gte_mt( R_V0, C2_VXY2), gte_mt( R_V1, C2_VZ2),
gte_mv_to_data_r( R_V0, C2_VXY2), gte_mv_to_data_r( R_V1, C2_VZ2),
/* Run Math */
nop, nop, gte_cmdw_rtpt,