buffer_cache: Delay buffer destructions
Delay buffer destruction some extra frames to avoid destroying buffers that are still being used from older frames. This happens on Nvidia's driver with mailbox.
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b11aeced18
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b35449c85d
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@ -101,7 +101,10 @@ public:
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void TickFrame() {
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void TickFrame() {
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++epoch;
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++epoch;
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while (!pending_destruction.empty()) {
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while (!pending_destruction.empty()) {
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if (pending_destruction.front()->GetEpoch() + 1 > epoch) {
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// Delay at least 4 frames before destruction.
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// This is due to triple buffering happening on some drivers.
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static constexpr u64 epochs_to_destroy = 5;
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if (pending_destruction.front()->GetEpoch() + epochs_to_destroy > epoch) {
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break;
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break;
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}
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}
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pending_destruction.pop_front();
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pending_destruction.pop_front();
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