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hle: service: nvflinger: buffer_queue_producer: Cleanup & fixes.

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This commit is contained in:
bunnei 2022-04-01 22:59:35 -07:00
parent 4036e37bbe
commit fdf4909f97
2 changed files with 43 additions and 62 deletions
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103
src/core/hle/service/nvflinger/buffer_queue_producer.cpp
View file

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

2
src/core/hle/service/nvflinger/buffer_queue_producer.h
View file

@ -66,7 +66,7 @@ public:
private:
BufferQueueProducer(const BufferQueueProducer&) = delete;
Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* returnFlags) const;
Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* return_flags) const;
Kernel::KEvent* buffer_wait_event{};
Service::KernelHelpers::ServiceContext& service_context;