Merge pull request #5925 from ReinUsesLisp/resource-pool-clean
vk_resource_pool: Load GPU tick once and compare with it
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commit
0bbf5e61f1
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@ -17,21 +17,21 @@ ResourcePool::~ResourcePool() = default;
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size_t ResourcePool::CommitResource() {
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// Refresh semaphore to query updated results
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master_semaphore.Refresh();
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const auto search = [this](size_t begin, size_t end) -> std::optional<size_t> {
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const u64 gpu_tick = master_semaphore.KnownGpuTick();
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const auto search = [this, gpu_tick](size_t begin, size_t end) -> std::optional<size_t> {
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for (size_t iterator = begin; iterator < end; ++iterator) {
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if (master_semaphore.IsFree(ticks[iterator])) {
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if (gpu_tick >= ticks[iterator]) {
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ticks[iterator] = master_semaphore.CurrentTick();
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return iterator;
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}
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}
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return {};
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return std::nullopt;
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};
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// Try to find a free resource from the hinted position to the end.
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auto found = search(free_iterator, ticks.size());
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std::optional<size_t> found = search(hint_iterator, ticks.size());
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if (!found) {
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// Search from beginning to the hinted position.
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found = search(0, free_iterator);
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found = search(0, hint_iterator);
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if (!found) {
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// Both searches failed, the pool is full; handle it.
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const size_t free_resource = ManageOverflow();
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@ -41,7 +41,7 @@ size_t ResourcePool::CommitResource() {
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}
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}
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// Free iterator is hinted to the resource after the one that's been commited.
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free_iterator = (*found + 1) % ticks.size();
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hint_iterator = (*found + 1) % ticks.size();
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return *found;
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}
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@ -36,7 +36,7 @@ private:
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MasterSemaphore& master_semaphore;
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size_t grow_step = 0; ///< Number of new resources created after an overflow
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size_t free_iterator = 0; ///< Hint to where the next free resources is likely to be found
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size_t hint_iterator = 0; ///< Hint to where the next free resources is likely to be found
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std::vector<u64> ticks; ///< Ticks for each resource
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};
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