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25 lines
1.1 KiB
C++
25 lines
1.1 KiB
C++
// Copyright (C) 2026 half144 and PS5 React contributors
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// SPDX-License-Identifier: GPL-3.0-or-later
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// Additional attribution term: see LICENSE-ATTRIBUTION.
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#pragma once
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// Threads the engine forks a commit's repaint across (EmbeddedRenderWorkers). The render thread is
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// worker 0; the others sleep on a condition variable until dispatched and never touch QuickJS.
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// Start after the backend is installed and before the first commit; stop before the backend goes.
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namespace render_workers {
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// Total workers including the render thread, clamped to the engine's ERUI_RENDER_WORKERS cap.
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// Returns the count actually installed: 1 means single-core rendering.
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int start(int count);
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void stop();
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// The calling thread's worker index: 0 on the render thread and any thread that is not a worker.
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int current();
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// Hardware threads this process may run on, or 0 when the platform does not say.
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int available_cpus();
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// The engine's build cap (ERUI_RENDER_WORKERS).
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int max_workers();
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// Commits the engine has rendered across the workers so far.
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unsigned forked_commits();
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} // namespace render_workers
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