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vk_resource_pool: Load GPU tick once and compare with it

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Other minor style improvements. Rename free_iterator to hint_iterator,
to describe better what it does.
This commit is contained in:
ReinUsesLisp 2021-02-13 17:52:13 -03:00
parent 95722823b9
commit b8ffdbb167
2 changed files with 8 additions and 8 deletions
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14
src/video_core/renderer_vulkan/vk_resource_pool.cpp
View file

@ -17,21 +17,21 @@ ResourcePool::~ResourcePool() = default;
size_t ResourcePool::CommitResource() { size_t ResourcePool::CommitResource() {
// Refresh semaphore to query updated results // Refresh semaphore to query updated results
master_semaphore.Refresh(); master_semaphore.Refresh();
const u64 gpu_tick = master_semaphore.KnownGpuTick();
const auto search = [this](size_t begin, size_t end) -> std::optional<size_t> { const auto search = [this, gpu_tick](size_t begin, size_t end) -> std::optional<size_t> {
for (size_t iterator = begin; iterator < end; ++iterator) { for (size_t iterator = begin; iterator < end; ++iterator) {
if (master_semaphore.IsFree(ticks[iterator])) { if (gpu_tick >= ticks[iterator]) {
ticks[iterator] = master_semaphore.CurrentTick(); ticks[iterator] = master_semaphore.CurrentTick();
return iterator; return iterator;
} }
} }
return {}; return std::nullopt;
}; };
// Try to find a free resource from the hinted position to the end. // 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) { if (!found) {
// Search from beginning to the hinted position. // Search from beginning to the hinted position.
found = search(0, free_iterator); found = search(0, hint_iterator);
if (!found) { if (!found) {
// Both searches failed, the pool is full; handle it. // Both searches failed, the pool is full; handle it.
const size_t free_resource = ManageOverflow(); 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 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; return *found;
} }

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

@ -36,7 +36,7 @@ private:
MasterSemaphore& master_semaphore; MasterSemaphore& master_semaphore;
size_t grow_step = 0; ///< Number of new resources created after an overflow 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 std::vector<u64> ticks; ///< Ticks for each resource
}; };