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https://github.com/yuzu-emu/yuzu-android.git
synced 2024-11-27 09:24:22 +01:00
buffer_queue: better use of std::array
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@ -22,6 +22,7 @@ BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id, u64 layer_id)
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BufferQueue::~BufferQueue() = default;
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BufferQueue::~BufferQueue() = default;
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void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
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void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
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ASSERT(slot < buffer_slots);
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LOG_WARNING(Service, "Adding graphics buffer {}", slot);
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LOG_WARNING(Service, "Adding graphics buffer {}", slot);
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free_buffers.push_back(slot);
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free_buffers.push_back(slot);
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@ -44,73 +45,57 @@ std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::Dequeue
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if (free_buffers.empty()) {
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if (free_buffers.empty()) {
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return std::nullopt;
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return std::nullopt;
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}
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}
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auto f_itr = free_buffers.begin();
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auto f_itr = free_buffers.begin();
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auto itr = buffers.end();
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auto slot = buffers.size();
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while (f_itr != free_buffers.end()) {
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while (f_itr != free_buffers.end()) {
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auto slot = *f_itr;
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const Buffer& buffer = buffers[*f_itr];
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itr = std::find_if(buffers.begin(), buffers.end(), [&](const Buffer& buffer) {
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if (buffer.status == Buffer::Status::Free && buffer.igbp_buffer.width == width &&
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// Only consider free buffers. Buffers become free once again after they've been
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buffer.igbp_buffer.height == height) {
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// Acquired and Released by the compositor, see the NVFlinger::Compose method.
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slot = *f_itr;
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if (buffer.status != Buffer::Status::Free) {
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return false;
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}
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if (buffer.slot != slot) {
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return false;
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}
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// Make sure that the parameters match.
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return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
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});
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if (itr != buffers.end()) {
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free_buffers.erase(f_itr);
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free_buffers.erase(f_itr);
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break;
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break;
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}
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}
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++f_itr;
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++f_itr;
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}
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}
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if (slot == buffers.size()) {
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if (itr == buffers.end()) {
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return std::nullopt;
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return std::nullopt;
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}
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}
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buffers[slot].status = Buffer::Status::Dequeued;
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itr->status = Buffer::Status::Dequeued;
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return {{buffers[slot].slot, &buffers[slot].multi_fence}};
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return {{itr->slot, &itr->multi_fence}};
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}
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}
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const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
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const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
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auto itr = std::find_if(buffers.begin(), buffers.end(),
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ASSERT(slot < buffers.size());
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[&](const Buffer& buffer) { return buffer.slot == slot; });
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ASSERT(buffers[slot].status == Buffer::Status::Dequeued);
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ASSERT(itr != buffers.end());
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ASSERT(buffers[slot].slot == slot);
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ASSERT(itr->status == Buffer::Status::Dequeued);
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return itr->igbp_buffer;
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return buffers[slot].igbp_buffer;
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}
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}
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void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform,
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void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform,
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const Common::Rectangle<int>& crop_rect, u32 swap_interval,
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const Common::Rectangle<int>& crop_rect, u32 swap_interval,
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Service::Nvidia::MultiFence& multi_fence) {
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Service::Nvidia::MultiFence& multi_fence) {
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auto itr = std::find_if(buffers.begin(), buffers.end(),
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ASSERT(slot < buffers.size());
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[&](const Buffer& buffer) { return buffer.slot == slot; });
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ASSERT(buffers[slot].status == Buffer::Status::Dequeued);
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ASSERT(itr != buffers.end());
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ASSERT(buffers[slot].slot == slot);
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ASSERT(itr->status == Buffer::Status::Dequeued);
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itr->status = Buffer::Status::Queued;
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buffers[slot].status = Buffer::Status::Queued;
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itr->transform = transform;
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buffers[slot].transform = transform;
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itr->crop_rect = crop_rect;
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buffers[slot].crop_rect = crop_rect;
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itr->swap_interval = swap_interval;
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buffers[slot].swap_interval = swap_interval;
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itr->multi_fence = multi_fence;
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buffers[slot].multi_fence = multi_fence;
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queue_sequence.push_back(slot);
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queue_sequence.push_back(slot);
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}
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}
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void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence) {
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void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence) {
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const auto itr = std::find_if(buffers.begin(), buffers.end(),
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ASSERT(slot < buffers.size());
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[slot](const Buffer& buffer) { return buffer.slot == slot; });
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ASSERT(buffers[slot].status != Buffer::Status::Free);
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ASSERT(itr != buffers.end());
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ASSERT(buffers[slot].slot == slot);
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ASSERT(itr->status != Buffer::Status::Free);
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itr->status = Buffer::Status::Free;
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buffers[slot].status = Buffer::Status::Free;
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itr->multi_fence = multi_fence;
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buffers[slot].multi_fence = multi_fence;
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itr->swap_interval = 0;
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buffers[slot].swap_interval = 0;
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free_buffers.push_back(slot);
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free_buffers.push_back(slot);
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@ -118,28 +103,30 @@ void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& mult
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}
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}
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std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
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std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
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auto itr = buffers.end();
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std::size_t buffer_slot = buffers.size();
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// Iterate to find a queued buffer matching the requested slot.
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// Iterate to find a queued buffer matching the requested slot.
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while (itr == buffers.end() && !queue_sequence.empty()) {
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while (buffer_slot == buffers.size() && !queue_sequence.empty()) {
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const u32 slot = queue_sequence.front();
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const auto slot = static_cast<std::size_t>(queue_sequence.front());
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itr = std::find_if(buffers.begin(), buffers.end(), [&slot](const Buffer& buffer) {
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ASSERT(slot < buffers.size());
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return buffer.status == Buffer::Status::Queued && buffer.slot == slot;
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if (buffers[slot].status == Buffer::Status::Queued) {
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});
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ASSERT(buffers[slot].slot == slot);
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buffer_slot = slot;
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}
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queue_sequence.pop_front();
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queue_sequence.pop_front();
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}
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}
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if (itr == buffers.end()) {
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if (buffer_slot == buffers.size()) {
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return std::nullopt;
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return std::nullopt;
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}
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}
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itr->status = Buffer::Status::Acquired;
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buffers[buffer_slot].status = Buffer::Status::Acquired;
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return *itr;
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return {{buffers[buffer_slot]}};
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}
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}
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void BufferQueue::ReleaseBuffer(u32 slot) {
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void BufferQueue::ReleaseBuffer(u32 slot) {
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auto itr = std::find_if(buffers.begin(), buffers.end(),
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ASSERT(slot < buffers.size());
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[&](const Buffer& buffer) { return buffer.slot == slot; });
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ASSERT(buffers[slot].status == Buffer::Status::Acquired);
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ASSERT(itr != buffers.end());
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ASSERT(buffers[slot].slot == slot);
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ASSERT(itr->status == Buffer::Status::Acquired);
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itr->status = Buffer::Status::Free;
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buffers[slot].status = Buffer::Status::Free;
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free_buffers.push_back(slot);
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free_buffers.push_back(slot);
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buffer_wait_event.writable->Signal();
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buffer_wait_event.writable->Signal();
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