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Merge pull request #5925 from ReinUsesLisp/resource-pool-clean

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vk_resource_pool: Load GPU tick once and compare with it
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LC 2021-02-13 20:57:44 -05:00 committed by GitHub
commit 0bbf5e61f1
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2 changed files with 8 additions and 8 deletions
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14
src/video_core/renderer_vulkan/vk_resource_pool.cpp
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@ -17,21 +17,21 @@ ResourcePool::~ResourcePool() = default;
size_t ResourcePool::CommitResource() {
// Refresh semaphore to query updated results
master_semaphore.Refresh();
const auto search = [this](size_t begin, size_t end) -> std::optional<size_t> {
const u64 gpu_tick = master_semaphore.KnownGpuTick();
const auto search = [this, gpu_tick](size_t begin, size_t end) -> std::optional<size_t> {
for (size_t iterator = begin; iterator < end; ++iterator) {
if (master_semaphore.IsFree(ticks[iterator])) {
if (gpu_tick >= ticks[iterator]) {
ticks[iterator] = master_semaphore.CurrentTick();
return iterator;
}
}
return {};
return std::nullopt;
};
// Try to find a free resource from the hinted position to the end.
auto found = search(free_iterator, ticks.size());
std::optional<size_t> found = search(hint_iterator, ticks.size());
if (!found) {
// Search from beginning to the hinted position.
found = search(0, free_iterator);
found = search(0, hint_iterator);
if (!found) {
// Both searches failed, the pool is full; handle it.
const size_t free_resource = ManageOverflow();
@ -41,7 +41,7 @@ size_t ResourcePool::CommitResource() {
}
}
// Free iterator is hinted to the resource after the one that's been commited.
free_iterator = (*found + 1) % ticks.size();
hint_iterator = (*found + 1) % ticks.size();
return *found;
}

2
src/video_core/renderer_vulkan/vk_resource_pool.h
View File

@ -36,7 +36,7 @@ private:
MasterSemaphore& master_semaphore;
size_t grow_step = 0; ///< Number of new resources created after an overflow
size_t free_iterator = 0; ///< Hint to where the next free resources is likely to be found
size_t hint_iterator = 0; ///< Hint to where the next free resources is likely to be found
std::vector<u64> ticks; ///< Ticks for each resource
};