hle: service: nvflinger: buffer_queue_producer: Cleanup & fixes.
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4036e37bbe
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fdf4909f97
2 changed files with 43 additions and 62 deletions
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@ -62,11 +62,12 @@ Status BufferQueueProducer::RequestBuffer(s32 slot, std::shared_ptr<GraphicBuffe
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Status BufferQueueProducer::SetBufferCount(s32 buffer_count) {
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LOG_DEBUG(Service_NVFlinger, "count = {}", buffer_count);
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std::shared_ptr<IConsumerListener> listener;
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std::shared_ptr<IConsumerListener> listener;
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{
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std::scoped_lock lock(core->mutex);
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core->WaitWhileAllocatingLocked();
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if (core->is_abandoned) {
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LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
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return Status::NoInit;
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@ -120,7 +121,7 @@ Status BufferQueueProducer::SetBufferCount(s32 buffer_count) {
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}
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Status BufferQueueProducer::WaitForFreeSlotThenRelock(bool async, s32* found,
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Status* returnFlags) const {
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Status* return_flags) const {
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bool try_again = true;
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while (try_again) {
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@ -142,10 +143,12 @@ Status BufferQueueProducer::WaitForFreeSlotThenRelock(bool async, s32* found,
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ASSERT(slots[s].buffer_state == BufferState::Free);
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if (slots[s].graphic_buffer != nullptr) {
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core->FreeBufferLocked(s);
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*returnFlags |= Status::ReleaseAllBuffers;
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*return_flags |= Status::ReleaseAllBuffers;
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}
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}
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// Look for a free buffer to give to the client
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*found = BufferQueueCore::INVALID_BUFFER_SLOT;
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s32 dequeued_count{};
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s32 acquired_count{};
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for (s32 s{}; s < max_buffer_count; ++s) {
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@ -235,68 +238,50 @@ Status BufferQueueProducer::DequeueBuffer(s32* out_slot, Fence* out_fence, bool
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{
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std::scoped_lock lock(core->mutex);
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core->WaitWhileAllocatingLocked();
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if (format == PixelFormat::NoFormat) {
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format = core->default_buffer_format;
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}
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// Enable the usage bits the consumer requested
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usage |= core->consumer_usage_bit;
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s32 found{};
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Status status = WaitForFreeSlotThenRelock(async, &found, &return_flags);
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if (status != Status::NoError) {
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return status;
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}
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// This should not happen
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if (found == BufferQueueCore::INVALID_BUFFER_SLOT) {
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LOG_ERROR(Service_NVFlinger, "no available buffer slots");
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return Status::Busy;
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}
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*out_slot = found;
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attached_by_consumer = slots[found].attached_by_consumer;
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const bool use_default_size = !width && !height;
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if (use_default_size) {
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width = core->default_width;
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height = core->default_height;
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}
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s32 found = BufferItem::INVALID_BUFFER_SLOT;
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while (found == BufferItem::INVALID_BUFFER_SLOT) {
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Status status = WaitForFreeSlotThenRelock(async, &found, &return_flags);
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if (status != Status::NoError) {
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return status;
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}
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// This should not happen
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if (found == BufferQueueCore::INVALID_BUFFER_SLOT) {
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LOG_DEBUG(Service_NVFlinger, "no available buffer slots");
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return Status::Busy;
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}
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const std::shared_ptr<GraphicBuffer>& buffer(slots[found].graphic_buffer);
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// If we are not allowed to allocate new buffers, WaitForFreeSlotThenRelock must have
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// returned a slot containing a buffer. If this buffer would require reallocation to
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// meet the requested attributes, we free it and attempt to get another one.
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if (!core->allow_allocation) {
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if (buffer->NeedsReallocation(width, height, format, usage)) {
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core->FreeBufferLocked(found);
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found = BufferItem::INVALID_BUFFER_SLOT;
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continue;
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}
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}
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}
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*out_slot = found;
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attached_by_consumer = slots[found].attached_by_consumer;
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slots[found].buffer_state = BufferState::Dequeued;
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const std::shared_ptr<GraphicBuffer>& buffer(slots[found].graphic_buffer);
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if ((buffer == nullptr) || buffer->NeedsReallocation(width, height, format, usage)) {
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if ((buffer == nullptr) || (buffer->Width() != width) || (buffer->Height() != height) ||
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(buffer->Format() != format) || ((buffer->Usage() & usage) != usage)) {
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slots[found].acquire_called = false;
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slots[found].graphic_buffer = nullptr;
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slots[found].request_buffer_called = false;
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slots[found].fence = Fence::NoFence();
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core->buffer_age = 0;
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return_flags |= Status::BufferNeedsReallocation;
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} else {
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// We add 1 because that will be the frame number when this buffer
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// is queued
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core->buffer_age = core->frame_counter + 1 - slots[found].frame_number;
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}
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LOG_DEBUG(Service_NVFlinger, "setting buffer age to {}", core->buffer_age);
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*out_fence = slots[found].fence;
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slots[found].fence = Fence::NoFence();
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}
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@ -311,6 +296,7 @@ Status BufferQueueProducer::DequeueBuffer(s32* out_slot, Fence* out_fence, bool
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{
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std::scoped_lock lock(core->mutex);
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if (core->is_abandoned) {
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LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
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return Status::NoInit;
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@ -327,6 +313,7 @@ Status BufferQueueProducer::DequeueBuffer(s32* out_slot, Fence* out_fence, bool
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LOG_DEBUG(Service_NVFlinger, "returning slot={} frame={}, flags={}", *out_slot,
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slots[*out_slot].frame_number, return_flags);
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return return_flags;
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}
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@ -334,6 +321,7 @@ Status BufferQueueProducer::DetachBuffer(s32 slot) {
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LOG_DEBUG(Service_NVFlinger, "slot {}", slot);
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std::scoped_lock lock(core->mutex);
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if (core->is_abandoned) {
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LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned");
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return Status::NoInit;
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@ -369,7 +357,6 @@ Status BufferQueueProducer::DetachNextBuffer(std::shared_ptr<GraphicBuffer>* out
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}
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std::scoped_lock lock(core->mutex);
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core->WaitWhileAllocatingLocked();
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if (core->is_abandoned) {
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@ -423,6 +410,7 @@ Status BufferQueueProducer::AttachBuffer(s32* out_slot,
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return status;
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}
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// This should not happen
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if (found == BufferQueueCore::INVALID_BUFFER_SLOT) {
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LOG_ERROR(Service_NVFlinger, "No available buffer slots");
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return Status::Busy;
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@ -466,8 +454,8 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
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return Status::BadValue;
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}
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std::shared_ptr<IConsumerListener> frameAvailableListener;
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std::shared_ptr<IConsumerListener> frameReplacedListener;
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std::shared_ptr<IConsumerListener> frame_available_listener;
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std::shared_ptr<IConsumerListener> frame_replaced_listener;
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s32 callback_ticket{};
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BufferItem item;
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@ -541,12 +529,13 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
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item.fence = fence;
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item.is_droppable = core->dequeue_buffer_cannot_block || async;
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item.swap_interval = swap_interval;
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sticky_transform = sticky_transform_;
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if (core->queue.empty()) {
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// When the queue is empty, we can simply queue this buffer
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core->queue.push_back(item);
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frameAvailableListener = core->consumer_listener;
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frame_available_listener = core->consumer_listener;
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} else {
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// When the queue is not empty, we need to look at the front buffer
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// state to see if we need to replace it
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@ -563,10 +552,10 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
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}
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// Overwrite the droppable buffer with the incoming one
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*front = item;
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frameReplacedListener = core->consumer_listener;
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frame_replaced_listener = core->consumer_listener;
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} else {
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core->queue.push_back(item);
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frameAvailableListener = core->consumer_listener;
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frame_available_listener = core->consumer_listener;
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}
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}
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@ -592,10 +581,10 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
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callback_condition.wait(callback_mutex);
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}
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if (frameAvailableListener != nullptr) {
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frameAvailableListener->OnFrameAvailable(item);
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} else if (frameReplacedListener != nullptr) {
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frameReplacedListener->OnFrameReplaced(item);
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if (frame_available_listener != nullptr) {
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frame_available_listener->OnFrameAvailable(item);
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} else if (frame_replaced_listener != nullptr) {
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frame_replaced_listener->OnFrameReplaced(item);
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}
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++current_callback_ticket;
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@ -669,13 +658,6 @@ Status BufferQueueProducer::Query(NativeWindow what, s32* out_value) {
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case NativeWindow::ConsumerUsageBits:
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value = core->consumer_usage_bit;
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break;
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case NativeWindow::BufferAge:
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if (core->buffer_age > INT32_MAX) {
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value = 0;
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} else {
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value = static_cast<u32>(core->buffer_age);
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}
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break;
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default:
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UNREACHABLE();
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return Status::BadValue;
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@ -737,7 +719,6 @@ Status BufferQueueProducer::Connect(const std::shared_ptr<IProducerListener>& li
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core->buffer_has_been_queued = false;
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core->dequeue_buffer_cannot_block =
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core->consumer_controlled_by_app && producer_controlled_by_app;
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core->allow_allocation = true;
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return status;
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}
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@ -770,7 +751,7 @@ Status BufferQueueProducer::Disconnect(NativeWindowApi api) {
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core->SignalDequeueCondition();
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buffer_wait_event->GetWritableEvent().Signal();
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listener = core->consumer_listener;
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} else if (core->connected_api != NativeWindowApi::NoConnectedApi) {
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} else {
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LOG_ERROR(Service_NVFlinger, "still connected to another api (cur = {} req = {})",
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core->connected_api, api);
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status = Status::BadValue;
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@ -66,7 +66,7 @@ public:
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private:
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BufferQueueProducer(const BufferQueueProducer&) = delete;
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Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* returnFlags) const;
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Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* return_flags) const;
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Kernel::KEvent* buffer_wait_event{};
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Service::KernelHelpers::ServiceContext& service_context;
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