mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-25 18:05:12 -04:00
Matthew Stanley
84ba185176
Use a bounded atomic snapshot and presenter-owned reset across all backends. Readers sort their own snapshots; report host API completion cadence. Add deterministic and concurrent reader/reset coverage.
60 lines
2.8 KiB
C
60 lines
2.8 KiB
C
#ifndef PSX_VIDEO_TELEMETRY_H
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#define PSX_VIDEO_TELEMETRY_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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enum { PSX_VIDEO_NONE = 0, PSX_VIDEO_SOFTWARE = 1,
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PSX_VIDEO_OPENGL = 2, PSX_VIDEO_VULKAN = 3 };
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typedef struct PsxVideoTelemetry {
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uint64_t presents, present_errors;
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int valid, renderer, internal_scale, present_status_available;
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int source_width, source_height;
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int drawable_width, drawable_height;
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int viewport_width, viewport_height;
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} PsxVideoTelemetry;
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/* Render-owner publication, before submission. These describe the latest
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* composed image, which can lead actual swaps when presentation is threaded.
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* Zero dimensions mean unavailable, not a zero-sized successful image.
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* A backend has one composing owner at a time. No readbacks or GL syncs. */
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void psx_video_telemetry_compose(int renderer, int scale, int source_w, int source_h,
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int drawable_w, int drawable_h, int viewport_w, int viewport_h);
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/* Call after the backend's swap/present API returns. A success means the host
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* API accepted/completed the call, not that a monitor displayed correct pixels.
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* Counts include repeats, overlays and generated frames. */
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/* result: 1 accepted, 0 failed, -1 returned but API supplies no status (SDL2). */
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void psx_video_telemetry_present(int result);
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/* Bounded passive read: valid=0 if a coherent composition was unavailable.
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* Completion/error counters remain available in that case. */
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void psx_video_telemetry_snapshot(PsxVideoTelemetry *out);
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typedef struct PsxPresentCadence {
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int valid;
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uint32_t count, mean_us, p50_us, p95_us, p99_us, max_us, hitches;
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double span_ms, fps;
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} PsxPresentCadence;
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/* Host API completion intervals, shared by all backends; no monitor-display
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* guarantee. Bounded passive snapshot. reset is consumed by the presenter. */
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void psx_video_telemetry_cadence(int window_ms, int reset, PsxPresentCadence *out);
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int psx_video_telemetry_cadence_json(int window_ms, int reset, char *out, int capacity);
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/* Explicit monotonic host microseconds for adapters and deterministic tests. */
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void psx_video_telemetry_present_at(int result, uint64_t now_us);
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/* Emulation-owner settings after runtime mod overrides, sampled every VBlank.
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* Actual allocated scale/dimensions come from the separate backend snapshot. */
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typedef struct PsxVideoConfigTelemetry {
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int renderer, resolution_preset, aspect_num, aspect_den, widescreen;
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} PsxVideoConfigTelemetry;
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void psx_video_config_telemetry(PsxVideoConfigTelemetry *out);
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/* Queue one composed-output PNG on the existing presenter capture path.
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* Zero means rejected/unavailable. Acceptance is not proof the file was written.
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* Called only for an explicit owner incident, never for every ordinary frame. */
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int psx_video_telemetry_capture(const char *path);
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#ifdef __cplusplus
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}
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#endif
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#endif
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