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buffer_queue: Make use of std::nullopt

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Allows compilers to eliminate unnecessary zeroing out of the optional's
buffer.
This commit is contained in:
Lioncash 2020-08-03 09:26:34 -04:00
parent 24bd068a08
commit 9b837c6069
1 changed files with 6 additions and 5 deletions
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11
src/core/hle/service/nvflinger/buffer_queue.cpp
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@ -38,7 +38,7 @@ std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::Dequeue
u32 height) {
if (free_buffers.empty()) {
return {};
return std::nullopt;
}
auto f_itr = free_buffers.begin();
@ -69,7 +69,7 @@ std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::Dequeue
}
if (itr == queue.end()) {
return {};
return std::nullopt;
}
itr->status = Buffer::Status::Dequeued;
@ -103,14 +103,15 @@ std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::Ac
auto itr = queue.end();
// Iterate to find a queued buffer matching the requested slot.
while (itr == queue.end() && !queue_sequence.empty()) {
u32 slot = queue_sequence.front();
const u32 slot = queue_sequence.front();
itr = std::find_if(queue.begin(), queue.end(), [&slot](const Buffer& buffer) {
return buffer.status == Buffer::Status::Queued && buffer.slot == slot;
});
queue_sequence.pop_front();
}
if (itr == queue.end())
return {};
if (itr == queue.end()) {
return std::nullopt;
}
itr->status = Buffer::Status::Acquired;
return *itr;
}