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checkpoint: atom 0-1 works for resolve look at.

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ed
2026-08-11 14:05:23 -04:00
parent 3f3b691ac0
commit 7daeec0ee3
5 changed files with 20 additions and 18 deletions
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code/hello_camera/hello_camera.c
+7 -7
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@@ -276,8 +276,7 @@ I_ void resolve_look_at(
tb_data(tb, u4_(smem.scratchpad)); /* Binds_ResolveLookAtScratch.scratch_base */
}
/* Atoms 1-5:
Context carrier R_ResolveScratch (R_T4) is preserved across atoms. */
/* Atoms 1-5: disabled (atom 1 verification below) */
tb_emit(tb, smem.resolve_look_at_atom_addrs[1]); { }
// tb_emit(tb, smem.resolve_look_at_atom_addrs[2]); { }
// tb_emit(tb, smem.resolve_look_at_atom_addrs[3]); { }
@@ -356,12 +355,12 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
ResolveLookAtScratch_V scratch = C_scratch(ResolveLookAtScratch_V);
// Atom 0: Works
forward = scratch->fwd;
// Atom 1:
// Atom 0: Works (tape emits fwd to scratch+0; C-side reads it back)
forward = scratch->fwd;
// C-side normalize fallback (atom 1 disabled)
// normalize_v3s4(& forward, & uz);
uz = scratch->uz;
uz = scratch->uz; /* tape-side: enable after verifying atom 1 fix */
cross_v3s4(& uz, & v3s4(0, -fp_one, 0), & right); normalize_v3s4(& right, & ux);
cross_v3s4(& uz, & ux, & up); normalize_v3s4(& up, & uy);
@@ -526,3 +525,4 @@ int main(void)
return 0;
}
GCC_OPTIMIZATION_ENABLE