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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <cstdlib>
#include "video_core/textures/workers.h"
namespace Tegra::Texture {
Common::ThreadWorker& GetThreadWorkers() {
// A quarter of the hardware threads (at least 2). Half took ~3.5 cores from the emulated
// CPU cores and the GPU thread on an 8-core laptop when textures were thrashing; with an
// eighth (2) both threads stayed saturated and streamed textures arrived seconds late (shown
// as placeholders), while 4 cost no frame rate. EDEN_NX2_TRANSCODE_THREADS=<n> overrides.
static Common::ThreadWorker workers{[] {
if (const char* text = std::getenv("EDEN_NX2_TRANSCODE_THREADS")) {
return (std::max)(static_cast<u32>(std::strtoul(text, nullptr, 10)), 1U);
}
return (std::max)(std::thread::hardware_concurrency() / 4, 2U);
}(), "ImageTranscode"};
return workers;
}
} // namespace Tegra::Texture
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