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[Vulkan UI] Stash the last signalled fence to speed up Scavenge

This commit is contained in:
DrChat 2018-03-02 22:13:59 -06:00
parent 82e8781549
commit 2180280c8e
1 changed files with 7 additions and 2 deletions
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9
src/xenia/ui/vulkan/circular_buffer.cc
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@ -249,20 +249,25 @@ void CircularBuffer::Clear() {
}
void CircularBuffer::Scavenge() {
// Stash the last signalled fence
VkFence fence = nullptr;
while (!allocations_.empty()) {
Allocation& alloc = allocations_.front();
if (vkGetFenceStatus(*device_, alloc.fence) != VK_SUCCESS) {
if (fence != alloc.fence &&
vkGetFenceStatus(*device_, alloc.fence) != VK_SUCCESS) {
// Don't bother freeing following allocations to ensure proper ordering.
break;
}
allocations_.pop();
fence = alloc.fence;
if (capacity_ - read_head_ < alloc.aligned_length) {
// This allocation is stored at the beginning of the buffer.
read_head_ = alloc.aligned_length;
} else {
read_head_ += alloc.aligned_length;
}
allocations_.pop();
}
if (allocations_.empty()) {