mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-27 02:32:02 -04:00
Matthew Stanley
b210446460
Checkpoint exact NCLIP and cull-scale code generation, overlay ABI 25, draw-area clipping, timeline and presented-image rings, mod counters, hotkey matching and savestate messages. Add canonical external ROM/disc verification with immutable plugin-scoped snapshots. Focused recompiler/runtime validation: 16 tests passed.
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
#ifndef PSXRECOMP_GTE_NCLIP_STATS_H
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#define PSXRECOMP_GTE_NCLIP_STATS_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Precise-NCLIP observability (widescreen). While [widescreen] precise_nclip
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* is active, every NCLIP also computes the backface sign from the UNCLAMPED
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* projection (the PGXP sub-pixel shadow, validated against each SXY word;
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* precise_nclip arms that transport by itself, independent of the visual
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* corrections). Guest MAC0 stays native; only configured branch sites
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* ([widescreen.cull] nclip_exact_sites) consume the precise sign.
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*
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* Always-on tables, keyed by the last guest store PC before each NCLIP (a
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* producer locator inside the issuing emitter) and by branch PC (exact-site
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* consumers), so a title can find which emitters
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* lose triangles to the +/-1024 screen clamp before listing any site. */
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typedef struct {
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uint32_t func; /* locator: last guest store PC before the NCLIP */
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uint32_t nclips; /* NCLIPs with a precise sign available */
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uint32_t disagree; /* precise sign != native MAC0 sign */
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uint32_t saturated; /* any of the three SXY entries hit the clamp */
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uint32_t last_frame;
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} GteNclipFuncStat;
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typedef struct {
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uint32_t pc; /* configured exact-NCLIP branch PC */
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uint32_t evals;
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uint32_t flips; /* branch decision changed by the precise sign */
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uint32_t fallbacks; /* no precise sign for this MAC0 -> native */
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uint32_t last_frame;
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} GteNclipSiteStat;
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#define GTE_NCLIP_STAT_CAP 256
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void gte_nclip_precise_stats(uint64_t *hits, uint64_t *fallbacks,
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uint64_t *disagreements);
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int gte_nclip_func_stats(GteNclipFuncStat *out, int max);
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int gte_nclip_site_stats(GteNclipSiteStat *out, int max);
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void gte_nclip_stats_reset(void);
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/* Branch consumer for exact-NCLIP sites: the sign (-1/0/1) the branch should
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* test. The precise sign when it belongs to `native_mac0` (the value the
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* guest just read from MAC0), else the native sign. */
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int32_t gte_nclip_exact_sign(int32_t native_mac0, uint32_t pc);
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/* Kill switch for the exact-site consumer (default on): off makes every exact
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* site test the native sign, for same-build/same-state A/B and diagnosis. */
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void gte_nclip_exact_set_enabled(int on);
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int gte_nclip_exact_enabled(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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