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Merge pull request #4475 from lioncash/bqueue

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buffer_queue: Make use of designated initializers/std::nullopt where applicable
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bunnei 2020-08-05 16:56:46 -04:00 committed by GitHub
commit 61678c4e9f
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1 changed files with 11 additions and 10 deletions
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21
src/core/hle/service/nvflinger/buffer_queue.cpp
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@ -24,13 +24,13 @@ BufferQueue::~BufferQueue() = default;
void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
LOG_WARNING(Service, "Adding graphics buffer {}", slot);
Buffer buffer{};
buffer.slot = slot;
buffer.igbp_buffer = igbp_buffer;
buffer.status = Buffer::Status::Free;
free_buffers.push_back(slot);
queue.push_back({
.slot = slot,
.status = Buffer::Status::Free,
.igbp_buffer = igbp_buffer,
});
queue.emplace_back(buffer);
buffer_wait_event.writable->Signal();
}
@ -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;
}