diff options
Diffstat (limited to 'src/core/hle/service/nvflinger/buffer_queue.cpp')
-rw-r--r-- | src/core/hle/service/nvflinger/buffer_queue.cpp | 189 |
1 files changed, 116 insertions, 73 deletions
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp index 637b310d7..7842a82ed 100644 --- a/src/core/hle/service/nvflinger/buffer_queue.cpp +++ b/src/core/hle/service/nvflinger/buffer_queue.cpp @@ -7,151 +7,194 @@ #include "common/assert.h" #include "common/logging/log.h" #include "core/core.h" +#include "core/hle/kernel/k_event.h" +#include "core/hle/kernel/k_writable_event.h" #include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/readable_event.h" -#include "core/hle/kernel/writable_event.h" #include "core/hle/service/nvflinger/buffer_queue.h" namespace Service::NVFlinger { BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id, u64 layer_id) : id(id), layer_id(layer_id) { - buffer_wait_event = Kernel::WritableEvent::CreateEventPair(kernel, "BufferQueue NativeHandle"); + buffer_wait_event = Kernel::KEvent::Create(kernel, "BufferQueue:WaitEvent"); + buffer_wait_event->Initialize(); } BufferQueue::~BufferQueue() = default; void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) { + ASSERT(slot < buffer_slots); LOG_WARNING(Service, "Adding graphics buffer {}", slot); - free_buffers.push_back(slot); - queue.push_back({ + { + std::unique_lock lock{free_buffers_mutex}; + free_buffers.push_back(slot); + } + free_buffers_condition.notify_one(); + + buffers[slot] = { .slot = slot, .status = Buffer::Status::Free, .igbp_buffer = igbp_buffer, - }); + .transform = {}, + .crop_rect = {}, + .swap_interval = 0, + .multi_fence = {}, + }; - buffer_wait_event.writable->Signal(); + buffer_wait_event->GetWritableEvent()->Signal(); } std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width, u32 height) { + // Wait for first request before trying to dequeue + { + std::unique_lock lock{free_buffers_mutex}; + free_buffers_condition.wait(lock, [this] { return !free_buffers.empty() || !is_connect; }); + } - if (free_buffers.empty()) { + if (!is_connect) { + // Buffer was disconnected while the thread was blocked, this is most likely due to + // emulation being stopped return std::nullopt; } + std::unique_lock lock{free_buffers_mutex}; + auto f_itr = free_buffers.begin(); - auto itr = queue.end(); + auto slot = buffers.size(); while (f_itr != free_buffers.end()) { - auto slot = *f_itr; - itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) { - // Only consider free buffers. Buffers become free once again after they've been - // Acquired and Released by the compositor, see the NVFlinger::Compose method. - if (buffer.status != Buffer::Status::Free) { - return false; - } - - if (buffer.slot != slot) { - return false; - } - - // Make sure that the parameters match. - return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height; - }); - - if (itr != queue.end()) { + const Buffer& buffer = buffers[*f_itr]; + if (buffer.status == Buffer::Status::Free && buffer.igbp_buffer.width == width && + buffer.igbp_buffer.height == height) { + slot = *f_itr; free_buffers.erase(f_itr); break; } ++f_itr; } - - if (itr == queue.end()) { + if (slot == buffers.size()) { return std::nullopt; } - - itr->status = Buffer::Status::Dequeued; - return {{itr->slot, &itr->multi_fence}}; + buffers[slot].status = Buffer::Status::Dequeued; + return {{buffers[slot].slot, &buffers[slot].multi_fence}}; } const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const { - auto itr = std::find_if(queue.begin(), queue.end(), - [&](const Buffer& buffer) { return buffer.slot == slot; }); - ASSERT(itr != queue.end()); - ASSERT(itr->status == Buffer::Status::Dequeued); - return itr->igbp_buffer; + ASSERT(slot < buffers.size()); + ASSERT(buffers[slot].status == Buffer::Status::Dequeued); + ASSERT(buffers[slot].slot == slot); + + return buffers[slot].igbp_buffer; } void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform, const Common::Rectangle<int>& crop_rect, u32 swap_interval, Service::Nvidia::MultiFence& multi_fence) { - auto itr = std::find_if(queue.begin(), queue.end(), - [&](const Buffer& buffer) { return buffer.slot == slot; }); - ASSERT(itr != queue.end()); - ASSERT(itr->status == Buffer::Status::Dequeued); - itr->status = Buffer::Status::Queued; - itr->transform = transform; - itr->crop_rect = crop_rect; - itr->swap_interval = swap_interval; - itr->multi_fence = multi_fence; + ASSERT(slot < buffers.size()); + ASSERT(buffers[slot].status == Buffer::Status::Dequeued); + ASSERT(buffers[slot].slot == slot); + + buffers[slot].status = Buffer::Status::Queued; + buffers[slot].transform = transform; + buffers[slot].crop_rect = crop_rect; + buffers[slot].swap_interval = swap_interval; + buffers[slot].multi_fence = multi_fence; + std::unique_lock lock{queue_sequence_mutex}; queue_sequence.push_back(slot); } +void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence) { + ASSERT(slot < buffers.size()); + ASSERT(buffers[slot].status != Buffer::Status::Free); + ASSERT(buffers[slot].slot == slot); + + buffers[slot].status = Buffer::Status::Free; + buffers[slot].multi_fence = multi_fence; + buffers[slot].swap_interval = 0; + + { + std::unique_lock lock{free_buffers_mutex}; + free_buffers.push_back(slot); + } + free_buffers_condition.notify_one(); + + buffer_wait_event->GetWritableEvent()->Signal(); +} + std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() { - auto itr = queue.end(); + std::unique_lock lock{queue_sequence_mutex}; + std::size_t buffer_slot = buffers.size(); // Iterate to find a queued buffer matching the requested slot. - while (itr == queue.end() && !queue_sequence.empty()) { - 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; - }); + while (buffer_slot == buffers.size() && !queue_sequence.empty()) { + const auto slot = static_cast<std::size_t>(queue_sequence.front()); + ASSERT(slot < buffers.size()); + if (buffers[slot].status == Buffer::Status::Queued) { + ASSERT(buffers[slot].slot == slot); + buffer_slot = slot; + } queue_sequence.pop_front(); } - if (itr == queue.end()) { + if (buffer_slot == buffers.size()) { return std::nullopt; } - itr->status = Buffer::Status::Acquired; - return *itr; + buffers[buffer_slot].status = Buffer::Status::Acquired; + return {{buffers[buffer_slot]}}; } void BufferQueue::ReleaseBuffer(u32 slot) { - auto itr = std::find_if(queue.begin(), queue.end(), - [&](const Buffer& buffer) { return buffer.slot == slot; }); - ASSERT(itr != queue.end()); - ASSERT(itr->status == Buffer::Status::Acquired); - itr->status = Buffer::Status::Free; - free_buffers.push_back(slot); - - buffer_wait_event.writable->Signal(); + ASSERT(slot < buffers.size()); + ASSERT(buffers[slot].status == Buffer::Status::Acquired); + ASSERT(buffers[slot].slot == slot); + + buffers[slot].status = Buffer::Status::Free; + { + std::unique_lock lock{free_buffers_mutex}; + free_buffers.push_back(slot); + } + free_buffers_condition.notify_one(); + + buffer_wait_event->GetWritableEvent()->Signal(); } -void BufferQueue::Disconnect() { - queue.clear(); +void BufferQueue::Connect() { + std::unique_lock lock{queue_sequence_mutex}; queue_sequence.clear(); - id = 1; - layer_id = 1; + is_connect = true; +} + +void BufferQueue::Disconnect() { + buffers.fill({}); + { + std::unique_lock lock{queue_sequence_mutex}; + queue_sequence.clear(); + } + buffer_wait_event->GetWritableEvent()->Signal(); + is_connect = false; + free_buffers_condition.notify_one(); } u32 BufferQueue::Query(QueryType type) { - LOG_WARNING(Service, "(STUBBED) called type={}", static_cast<u32>(type)); + LOG_WARNING(Service, "(STUBBED) called type={}", type); switch (type) { case QueryType::NativeWindowFormat: return static_cast<u32>(PixelFormat::RGBA8888); + case QueryType::NativeWindowWidth: + case QueryType::NativeWindowHeight: + break; } - - UNIMPLEMENTED(); + UNIMPLEMENTED_MSG("Unimplemented query type={}", type); return 0; } -std::shared_ptr<Kernel::WritableEvent> BufferQueue::GetWritableBufferWaitEvent() const { - return buffer_wait_event.writable; +std::shared_ptr<Kernel::KWritableEvent> BufferQueue::GetWritableBufferWaitEvent() const { + return buffer_wait_event->GetWritableEvent(); } -std::shared_ptr<Kernel::ReadableEvent> BufferQueue::GetBufferWaitEvent() const { - return buffer_wait_event.readable; +std::shared_ptr<Kernel::KReadableEvent> BufferQueue::GetBufferWaitEvent() const { + return buffer_wait_event->GetReadableEvent(); } } // namespace Service::NVFlinger |