mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-25 18:05:12 -04:00
Matthew Stanley
7bcb11916a
The UI prepass re-read aperture node payloads through the RAM-folded key, so
THPS2's relocated prim arena discarded the HUD squash every frame.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
(cherry picked from commit fd6267e952)
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
#ifndef PSX_WS_PRIMITIVE_ROLES_H
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#define PSX_WS_PRIMITIVE_ROLES_H
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#include <stdint.h>
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#include <stddef.h>
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#include "mod_memory.h"
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/* Title-supplied packet identity, independent of draw order and sprite tags.
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* Keys name PsyQ P_TAG headers; GPU lookup names the following command word. */
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#define WS_ROLE_BUCKETS 4096u
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typedef struct {
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uint32_t key, stamp;
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int8_t hud_edge;
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uint8_t world;
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} WsPrimitiveRole;
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static inline WsPrimitiveRole* ws_role_write(WsPrimitiveRole* tags,
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uint32_t primitive, uint32_t now) {
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uint32_t key = psx_gpu_packet_key(primitive);
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if (!key) return NULL;
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uint32_t slot = (key >> 2) & (WS_ROLE_BUCKETS - 1u), victim = slot;
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for (unsigned i = 0; i < 4; ++i) {
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uint32_t j = (slot + i) & (WS_ROLE_BUCKETS - 1u);
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if (tags[j].key == key || !tags[j].key) { victim = j; break; }
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if (now - tags[j].stamp > 2u) victim = j;
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}
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WsPrimitiveRole* tag = &tags[victim];
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if (tag->key != key || tag->stamp != now) {
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tag->hud_edge = 0;
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tag->world = 0;
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}
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tag->key = key;
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tag->stamp = now;
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return tag;
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}
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static inline const WsPrimitiveRole* ws_role_read(const WsPrimitiveRole* tags,
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uint32_t source, uint32_t now) {
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if (source == 0xFFFFFFFFu) return NULL;
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uint32_t key = psx_gpu_packet_key(source - 4u);
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if (!key) return NULL;
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uint32_t slot = (key >> 2) & (WS_ROLE_BUCKETS - 1u);
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for (unsigned i = 0; i < 4; ++i) {
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const WsPrimitiveRole* tag = &tags[(slot + i) & (WS_ROLE_BUCKETS - 1u)];
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if (tag->key == key && now - tag->stamp <= 2u) return tag;
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}
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return NULL;
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}
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#endif
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