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Vulkan: Fix the master Semaphore
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35f46fc079
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@ -21,12 +21,12 @@ public:
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/// Returns the current logical tick.
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[[nodiscard]] u64 CurrentTick() const noexcept {
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return current_tick.load(std::memory_order_relaxed);
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return current_tick.load(std::memory_order_acquire);
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}
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/// Returns the last known GPU tick.
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[[nodiscard]] u64 KnownGpuTick() const noexcept {
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return gpu_tick.load(std::memory_order_relaxed);
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return gpu_tick.load(std::memory_order_acquire);
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}
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/// Returns the timeline semaphore handle.
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@ -41,12 +41,20 @@ public:
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/// Advance to the logical tick and return the old one
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[[nodiscard]] u64 NextTick() noexcept {
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return current_tick.fetch_add(1, std::memory_order::relaxed);
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return current_tick.fetch_add(1, std::memory_order_release);
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}
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/// Refresh the known GPU tick
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void Refresh() {
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gpu_tick.store(semaphore.GetCounter(), std::memory_order_relaxed);
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auto this_tick = gpu_tick.load(std::memory_order_acquire);
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u64 counter{};
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do {
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counter = semaphore.GetCounter();
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if (counter < this_tick) {
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return;
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}
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} while (!gpu_tick.compare_exchange_weak(this_tick, counter, std::memory_order_release,
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std::memory_order_relaxed));
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}
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/// Waits for a tick to be hit on the GPU
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