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Fix precise NCLIP on PGXP-backed GTE shadows

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Matthew Stanley
2026-08-15 21:46:47 -07:00
parent 696d05643d
commit 41c232fb47
3 changed files with 24 additions and 8 deletions
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runtime/src/pgxp.cpp
+10
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@@ -644,6 +644,16 @@ extern "C" void pgxp_gte_push_sxy(int32_t x16, int32_t y16, uint16_t sz3,
s_gte[15] = *pv; /* SXYP mirrors SXY2 */
}
extern "C" int pgxp_get_gte_sxy(uint32_t index, int32_t *x16, int32_t *y16) {
if (index >= 4) return 0;
const PGXPValue *pv = &s_gte[12 + index];
if (!pv_live(pv) || (pv->flags & PGXP_F_VXY) != PGXP_F_VXY)
return 0;
if (x16) *x16 = pv->x16;
if (y16) *y16 = pv->y16;
return 1;
}
extern "C" void pgxp_gte_reg_written(int reg, uint32_t value) {
/* Invalidation-class bookkeeping: runs even with the engine disarmed so
* seeded/leftover shadows can never outlive a guest register write. Only