mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 10:19:47 -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.
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
#ifndef PSXRECOMP_GPU_TIMELINE_H
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#define PSXRECOMP_GPU_TIMELINE_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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/* GPU frame timeline: an always-on, guest-cycle-stamped record of the events
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* that decide WHAT a present shows — vblank, display-start flips, draw-area
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* changes, GPU linked-list DMA start/end, and each present (swapped or
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* skipped). The GP0, display and presented-image rings are all tagged by
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* frame number only, which cannot order a present against a draw inside the
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* same frame; this ring can. Frozen by the capture mark. */
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#define GPU_TIMELINE_CAP 32768u /* power of two; ~40 s at typical rates */
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typedef enum {
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GTL_VBLANK = 1, /* a = lcf after toggle */
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GTL_DISP_START = 2, /* a = x, b = y (GP1 05h) */
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GTL_DRAW_AREA = 3, /* a = left, b = top (GP0 E3h) */
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GTL_LL_START = 4, /* a = OT start address */
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GTL_LL_END = 5, /* a = nodes, b = words */
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GTL_PRESENT = 6, /* a = path, b = disp_x | disp_y << 16 */
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GTL_PRESENT_SKIP = 7, /* a = path, b = disp_x | disp_y << 16 (no swap) */
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GTL_DISP_CAPTURE = 8, /* display-ring capture; b = disp_x | disp_y << 16 */
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GTL_FILL = 9, /* a = x | y << 16, b = w | h << 16 (GP0 02h) */
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} GpuTimelineKind;
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/* Present paths recorded in GTL_PRESENT/GTL_PRESENT_SKIP `a`. */
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enum { GTL_PATH_WIDE_FBO = 1, GTL_PATH_VRAM_FBO = 2, GTL_PATH_CPU = 3,
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GTL_PATH_HOLD = 4 };
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typedef struct {
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uint64_t cyc; /* psx_cycle_count */
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uint32_t frame; /* s_frame_count */
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uint32_t a, b;
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uint8_t kind;
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uint8_t pad[3];
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} GpuTimelineEntry;
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void gpu_timeline_note(uint8_t kind, uint32_t a, uint32_t b);
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void gpu_timeline_set_frozen(int frozen);
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uint64_t gpu_timeline_total(void);
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int gpu_timeline_get(uint64_t seq, GpuTimelineEntry *out);
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const char *gpu_timeline_kind_name(uint8_t kind);
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#ifdef __cplusplus
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}
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#endif
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#endif
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