diff options
Diffstat (limited to 'src/core/hle/service/nvflinger')
29 files changed, 2638 insertions, 52 deletions
diff --git a/src/core/hle/service/nvflinger/binder.h b/src/core/hle/service/nvflinger/binder.h new file mode 100644 index 000000000..7d0d4d819 --- /dev/null +++ b/src/core/hle/service/nvflinger/binder.h @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/binder/IBinder.h + +#pragma once + +#include "common/common_types.h" + +namespace Kernel { +class HLERequestContext; +class KReadableEvent; +} // namespace Kernel + +namespace Service::android { + +enum class TransactionId { + RequestBuffer = 1, + SetBufferCount = 2, + DequeueBuffer = 3, + DetachBuffer = 4, + DetachNextBuffer = 5, + AttachBuffer = 6, + QueueBuffer = 7, + CancelBuffer = 8, + Query = 9, + Connect = 10, + Disconnect = 11, + AllocateBuffers = 13, + SetPreallocatedBuffer = 14, + GetBufferHistory = 17, +}; + +class IBinder { +public: + virtual void Transact(Kernel::HLERequestContext& ctx, android::TransactionId code, + u32 flags) = 0; + virtual Kernel::KReadableEvent& GetNativeHandle() = 0; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_item.h b/src/core/hle/service/nvflinger/buffer_item.h new file mode 100644 index 000000000..64b82b851 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_item.h @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferItem.h + +#pragma once + +#include <memory> + +#include "common/common_types.h" +#include "common/math_util.h" +#include "core/hle/service/nvflinger/ui/fence.h" +#include "core/hle/service/nvflinger/window.h" + +namespace Service::android { + +class GraphicBuffer; + +class BufferItem final { +public: + constexpr BufferItem() = default; + + std::shared_ptr<GraphicBuffer> graphic_buffer; + Fence fence; + Common::Rectangle<s32> crop; + NativeWindowTransform transform{}; + u32 scaling_mode{}; + s64 timestamp{}; + bool is_auto_timestamp{}; + u64 frame_number{}; + + // The default value for buf, used to indicate this doesn't correspond to a slot. + static constexpr s32 INVALID_BUFFER_SLOT = -1; + union { + s32 slot{INVALID_BUFFER_SLOT}; + s32 buf; + }; + + bool is_droppable{}; + bool acquire_called{}; + bool transform_to_display_inverse{}; + s32 swap_interval{}; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_item_consumer.cpp b/src/core/hle/service/nvflinger/buffer_item_consumer.cpp new file mode 100644 index 000000000..7f32c0775 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_item_consumer.cpp @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2012 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferItemConsumer.cpp + +#include "common/assert.h" +#include "common/logging/log.h" +#include "core/hle/service/nvflinger/buffer_item.h" +#include "core/hle/service/nvflinger/buffer_item_consumer.h" +#include "core/hle/service/nvflinger/buffer_queue_consumer.h" + +namespace Service::android { + +BufferItemConsumer::BufferItemConsumer(std::unique_ptr<BufferQueueConsumer> consumer_) + : ConsumerBase{std::move(consumer_)} {} + +Status BufferItemConsumer::AcquireBuffer(BufferItem* item, std::chrono::nanoseconds present_when, + bool wait_for_fence) { + if (!item) { + return Status::BadValue; + } + + std::unique_lock lock(mutex); + + if (const auto status = AcquireBufferLocked(item, present_when); status != Status::NoError) { + if (status != Status::NoBufferAvailable) { + LOG_ERROR(Service_NVFlinger, "Failed to acquire buffer: {}", status); + } + return status; + } + + if (wait_for_fence) { + UNIMPLEMENTED(); + } + + item->graphic_buffer = slots[item->slot].graphic_buffer; + + return Status::NoError; +} + +Status BufferItemConsumer::ReleaseBuffer(const BufferItem& item, Fence& release_fence) { + std::unique_lock lock(mutex); + + if (const auto status = AddReleaseFenceLocked(item.buf, item.graphic_buffer, release_fence); + status != Status::NoError) { + LOG_ERROR(Service_NVFlinger, "Failed to add fence: {}", status); + } + + if (const auto status = ReleaseBufferLocked(item.buf, item.graphic_buffer); + status != Status::NoError) { + LOG_WARNING(Service_NVFlinger, "Failed to release buffer: {}", status); + return status; + } + + return Status::NoError; +} + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_item_consumer.h b/src/core/hle/service/nvflinger/buffer_item_consumer.h new file mode 100644 index 000000000..536db81e2 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_item_consumer.h @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2012 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferItemConsumer.h + +#pragma once + +#include <chrono> +#include <memory> + +#include "common/common_types.h" +#include "core/hle/service/nvflinger/consumer_base.h" +#include "core/hle/service/nvflinger/status.h" + +namespace Service::android { + +class BufferItem; + +class BufferItemConsumer final : public ConsumerBase { +public: + explicit BufferItemConsumer(std::unique_ptr<BufferQueueConsumer> consumer); + Status AcquireBuffer(BufferItem* item, std::chrono::nanoseconds present_when, + bool wait_for_fence = true); + Status ReleaseBuffer(const BufferItem& item, Fence& release_fence); +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_queue_consumer.cpp b/src/core/hle/service/nvflinger/buffer_queue_consumer.cpp new file mode 100644 index 000000000..677bec932 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_consumer.cpp @@ -0,0 +1,225 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueConsumer.cpp + +#include "common/logging/log.h" +#include "core/hle/service/nvflinger/buffer_item.h" +#include "core/hle/service/nvflinger/buffer_queue_consumer.h" +#include "core/hle/service/nvflinger/buffer_queue_core.h" +#include "core/hle/service/nvflinger/producer_listener.h" + +namespace Service::android { + +BufferQueueConsumer::BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_) + : core{std::move(core_)}, slots{core->slots} {} + +BufferQueueConsumer::~BufferQueueConsumer() = default; + +Status BufferQueueConsumer::AcquireBuffer(BufferItem* out_buffer, + std::chrono::nanoseconds expected_present, + u64 max_frame_number) { + s32 num_dropped_buffers{}; + + std::shared_ptr<IProducerListener> listener; + { + std::unique_lock lock(core->mutex); + + // Check that the consumer doesn't currently have the maximum number of buffers acquired. + const s32 num_acquired_buffers{ + static_cast<s32>(std::count_if(slots.begin(), slots.end(), [](const auto& slot) { + return slot.buffer_state == BufferState::Acquired; + }))}; + + if (num_acquired_buffers >= core->max_acquired_buffer_count + 1) { + LOG_ERROR(Service_NVFlinger, "max acquired buffer count reached: {} (max {})", + num_acquired_buffers, core->max_acquired_buffer_count); + return Status::InvalidOperation; + } + + // Check if the queue is empty. + if (core->queue.empty()) { + return Status::NoBufferAvailable; + } + + auto front(core->queue.begin()); + + // If expected_present is specified, we may not want to return a buffer yet. + if (expected_present.count() != 0) { + constexpr auto MAX_REASONABLE_NSEC = 1000000000LL; // 1 second + + // The expected_present argument indicates when the buffer is expected to be + // presented on-screen. + while (core->queue.size() > 1 && !core->queue[0].is_auto_timestamp) { + const auto& buffer_item{core->queue[1]}; + + // If dropping entry[0] would leave us with a buffer that the consumer is not yet + // ready for, don't drop it. + if (max_frame_number && buffer_item.frame_number > max_frame_number) { + break; + } + + // If entry[1] is timely, drop entry[0] (and repeat). + const auto desired_present = buffer_item.timestamp; + if (desired_present < expected_present.count() - MAX_REASONABLE_NSEC || + desired_present > expected_present.count()) { + // This buffer is set to display in the near future, or desired_present is + // garbage. + LOG_DEBUG(Service_NVFlinger, "nodrop desire={} expect={}", desired_present, + expected_present.count()); + break; + } + + LOG_DEBUG(Service_NVFlinger, "drop desire={} expect={} size={}", desired_present, + expected_present.count(), core->queue.size()); + + if (core->StillTracking(*front)) { + // Front buffer is still in mSlots, so mark the slot as free + slots[front->slot].buffer_state = BufferState::Free; + core->free_buffers.push_back(front->slot); + listener = core->connected_producer_listener; + ++num_dropped_buffers; + } + + core->queue.erase(front); + front = core->queue.begin(); + } + + // See if the front buffer is ready to be acquired. + const auto desired_present = front->timestamp; + const auto buffer_is_due = + desired_present <= expected_present.count() || + desired_present > expected_present.count() + MAX_REASONABLE_NSEC; + const auto consumer_is_ready = + max_frame_number > 0 ? front->frame_number <= max_frame_number : true; + + if (!buffer_is_due || !consumer_is_ready) { + LOG_DEBUG(Service_NVFlinger, "defer desire={} expect={}", desired_present, + expected_present.count()); + return Status::PresentLater; + } + + LOG_DEBUG(Service_NVFlinger, "accept desire={} expect={}", desired_present, + expected_present.count()); + } + + const auto slot = front->slot; + *out_buffer = *front; + + LOG_DEBUG(Service_NVFlinger, "acquiring slot={}", slot); + + // If the front buffer is still being tracked, update its slot state + if (core->StillTracking(*front)) { + slots[slot].acquire_called = true; + slots[slot].needs_cleanup_on_release = false; + slots[slot].buffer_state = BufferState::Acquired; + slots[slot].fence = Fence::NoFence(); + } + + // If the buffer has previously been acquired by the consumer, set graphic_buffer to nullptr + // to avoid unnecessarily remapping this buffer on the consumer side. + if (out_buffer->acquire_called) { + out_buffer->graphic_buffer = nullptr; + } + + core->queue.erase(front); + + // We might have freed a slot while dropping old buffers, or the producer may be blocked + // waiting for the number of buffers in the queue to decrease. + core->SignalDequeueCondition(); + } + + if (listener != nullptr) { + for (s32 i = 0; i < num_dropped_buffers; ++i) { + listener->OnBufferReleased(); + } + } + + return Status::NoError; +} + +Status BufferQueueConsumer::ReleaseBuffer(s32 slot, u64 frame_number, const Fence& release_fence) { + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + LOG_ERROR(Service_NVFlinger, "slot {} out of range", slot); + return Status::BadValue; + } + + std::shared_ptr<IProducerListener> listener; + { + std::unique_lock lock(core->mutex); + + // If the frame number has changed because the buffer has been reallocated, we can ignore + // this ReleaseBuffer for the old buffer. + if (frame_number != slots[slot].frame_number) { + return Status::StaleBufferSlot; + } + + // Make sure this buffer hasn't been queued while acquired by the consumer. + auto current(core->queue.begin()); + while (current != core->queue.end()) { + if (current->slot == slot) { + LOG_ERROR(Service_NVFlinger, "buffer slot {} pending release is currently queued", + slot); + return Status::BadValue; + } + ++current; + } + + if (slots[slot].buffer_state == BufferState::Acquired) { + slots[slot].fence = release_fence; + slots[slot].buffer_state = BufferState::Free; + + core->free_buffers.push_back(slot); + + listener = core->connected_producer_listener; + + LOG_DEBUG(Service_NVFlinger, "releasing slot {}", slot); + } else if (slots[slot].needs_cleanup_on_release) { + LOG_DEBUG(Service_NVFlinger, "releasing a stale buffer slot {} (state = {})", slot, + slots[slot].buffer_state); + + slots[slot].needs_cleanup_on_release = false; + + return Status::StaleBufferSlot; + } else { + LOG_ERROR(Service_NVFlinger, "attempted to release buffer slot {} but its state was {}", + slot, slots[slot].buffer_state); + + return Status::BadValue; + } + + core->dequeue_condition.notify_all(); + } + + // Call back without lock held + if (listener != nullptr) { + listener->OnBufferReleased(); + } + + return Status::NoError; +} + +Status BufferQueueConsumer::Connect(std::shared_ptr<IConsumerListener> consumer_listener, + bool controlled_by_app) { + if (consumer_listener == nullptr) { + LOG_ERROR(Service_NVFlinger, "consumer_listener may not be nullptr"); + return Status::BadValue; + } + + LOG_DEBUG(Service_NVFlinger, "controlled_by_app={}", controlled_by_app); + + BufferQueueCore::AutoLock lock(core); + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + core->consumer_listener = consumer_listener; + core->consumer_controlled_by_app = controlled_by_app; + + return Status::NoError; +} + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_queue_consumer.h b/src/core/hle/service/nvflinger/buffer_queue_consumer.h new file mode 100644 index 000000000..f22854394 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_consumer.h @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueConsumer.h + +#pragma once + +#include <chrono> +#include <memory> + +#include "common/common_types.h" +#include "core/hle/service/nvflinger/buffer_queue_defs.h" +#include "core/hle/service/nvflinger/status.h" + +namespace Service::android { + +class BufferItem; +class BufferQueueCore; +class IConsumerListener; + +class BufferQueueConsumer final { +public: + explicit BufferQueueConsumer(std::shared_ptr<BufferQueueCore> core_); + ~BufferQueueConsumer(); + + Status AcquireBuffer(BufferItem* out_buffer, std::chrono::nanoseconds expected_present, + u64 max_frame_number = 0); + Status ReleaseBuffer(s32 slot, u64 frame_number, const Fence& release_fence); + Status Connect(std::shared_ptr<IConsumerListener> consumer_listener, bool controlled_by_app); + +private: + std::shared_ptr<BufferQueueCore> core; + BufferQueueDefs::SlotsType& slots; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_queue_core.cpp b/src/core/hle/service/nvflinger/buffer_queue_core.cpp new file mode 100644 index 000000000..eb93b43ee --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_core.cpp @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueCore.cpp + +#include "common/assert.h" + +#include "core/hle/service/nvflinger/buffer_queue_core.h" + +namespace Service::android { + +BufferQueueCore::BufferQueueCore() : lock{mutex, std::defer_lock} { + for (s32 slot = 0; slot < BufferQueueDefs::NUM_BUFFER_SLOTS; ++slot) { + free_slots.insert(slot); + } +} + +BufferQueueCore::~BufferQueueCore() = default; + +void BufferQueueCore::NotifyShutdown() { + std::unique_lock lk(mutex); + + is_shutting_down = true; + + SignalDequeueCondition(); +} + +void BufferQueueCore::SignalDequeueCondition() { + dequeue_condition.notify_all(); +} + +bool BufferQueueCore::WaitForDequeueCondition() { + if (is_shutting_down) { + return false; + } + + dequeue_condition.wait(lock); + + return true; +} + +s32 BufferQueueCore::GetMinUndequeuedBufferCountLocked(bool async) const { + // If DequeueBuffer is allowed to error out, we don't have to add an extra buffer. + if (!use_async_buffer) { + return max_acquired_buffer_count; + } + + if (dequeue_buffer_cannot_block || async) { + return max_acquired_buffer_count + 1; + } + + return max_acquired_buffer_count; +} + +s32 BufferQueueCore::GetMinMaxBufferCountLocked(bool async) const { + return GetMinUndequeuedBufferCountLocked(async) + 1; +} + +s32 BufferQueueCore::GetMaxBufferCountLocked(bool async) const { + const auto min_buffer_count = GetMinMaxBufferCountLocked(async); + auto max_buffer_count = std::max(default_max_buffer_count, min_buffer_count); + + if (override_max_buffer_count != 0) { + ASSERT(override_max_buffer_count >= min_buffer_count); + max_buffer_count = override_max_buffer_count; + } + + // Any buffers that are dequeued by the producer or sitting in the queue waiting to be consumed + // need to have their slots preserved. + for (s32 slot = max_buffer_count; slot < BufferQueueDefs::NUM_BUFFER_SLOTS; ++slot) { + const auto state = slots[slot].buffer_state; + if (state == BufferState::Queued || state == BufferState::Dequeued) { + max_buffer_count = slot + 1; + } + } + + return max_buffer_count; +} + +s32 BufferQueueCore::GetPreallocatedBufferCountLocked() const { + return static_cast<s32>(std::count_if(slots.begin(), slots.end(), + [](const auto& slot) { return slot.is_preallocated; })); +} + +void BufferQueueCore::FreeBufferLocked(s32 slot) { + LOG_DEBUG(Service_NVFlinger, "slot {}", slot); + + const auto had_buffer = slots[slot].graphic_buffer != nullptr; + + slots[slot].graphic_buffer.reset(); + + if (slots[slot].buffer_state == BufferState::Acquired) { + slots[slot].needs_cleanup_on_release = true; + } + + if (slots[slot].buffer_state != BufferState::Free) { + free_slots.insert(slot); + } else if (had_buffer) { + // If the slot was FREE, but we had a buffer, we need to move this slot from the free + // buffers list to the the free slots list. + free_buffers.remove(slot); + free_slots.insert(slot); + } + + slots[slot].buffer_state = BufferState::Free; + slots[slot].acquire_called = false; + slots[slot].frame_number = 0; + slots[slot].fence = Fence::NoFence(); +} + +void BufferQueueCore::FreeAllBuffersLocked() { + queue.clear(); + buffer_has_been_queued = false; + + for (s32 slot = 0; slot < BufferQueueDefs::NUM_BUFFER_SLOTS; ++slot) { + FreeBufferLocked(slot); + } +} + +bool BufferQueueCore::StillTracking(const BufferItem& item) const { + const BufferSlot& slot = slots[item.slot]; + + return (slot.graphic_buffer != nullptr) && (item.graphic_buffer == slot.graphic_buffer); +} + +void BufferQueueCore::WaitWhileAllocatingLocked() const { + while (is_allocating) { + std::unique_lock lk(mutex); + is_allocating_condition.wait(lk); + } +} + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_queue_core.h b/src/core/hle/service/nvflinger/buffer_queue_core.h new file mode 100644 index 000000000..a3cd89f1c --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_core.h @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueCore.h + +#pragma once + +#include <condition_variable> +#include <list> +#include <memory> +#include <mutex> +#include <set> +#include <vector> + +#include "core/hle/service/nvflinger/buffer_item.h" +#include "core/hle/service/nvflinger/buffer_queue_defs.h" +#include "core/hle/service/nvflinger/pixel_format.h" +#include "core/hle/service/nvflinger/status.h" +#include "core/hle/service/nvflinger/window.h" + +namespace Service::android { + +class IConsumerListener; +class IProducerListener; + +class BufferQueueCore final { + friend class BufferQueueProducer; + friend class BufferQueueConsumer; + +public: + static constexpr s32 INVALID_BUFFER_SLOT = BufferItem::INVALID_BUFFER_SLOT; + + BufferQueueCore(); + ~BufferQueueCore(); + + void NotifyShutdown(); + +private: + void SignalDequeueCondition(); + bool WaitForDequeueCondition(); + + s32 GetMinUndequeuedBufferCountLocked(bool async) const; + s32 GetMinMaxBufferCountLocked(bool async) const; + s32 GetMaxBufferCountLocked(bool async) const; + s32 GetPreallocatedBufferCountLocked() const; + void FreeBufferLocked(s32 slot); + void FreeAllBuffersLocked(); + bool StillTracking(const BufferItem& item) const; + void WaitWhileAllocatingLocked() const; + +private: + class AutoLock final { + public: + AutoLock(std::shared_ptr<BufferQueueCore>& core_) : core{core_} { + core->lock.lock(); + } + + ~AutoLock() { + core->lock.unlock(); + } + + private: + std::shared_ptr<BufferQueueCore>& core; + }; + +private: + mutable std::mutex mutex; + mutable std::unique_lock<std::mutex> lock; + bool is_abandoned{}; + bool consumer_controlled_by_app{}; + std::shared_ptr<IConsumerListener> consumer_listener; + u32 consumer_usage_bit{}; + NativeWindowApi connected_api{NativeWindowApi::NoConnectedApi}; + std::shared_ptr<IProducerListener> connected_producer_listener; + BufferQueueDefs::SlotsType slots{}; + std::vector<BufferItem> queue; + std::set<s32> free_slots; + std::list<s32> free_buffers; + s32 override_max_buffer_count{}; + mutable std::condition_variable dequeue_condition; + const bool use_async_buffer{}; // This is always disabled on HOS + bool dequeue_buffer_cannot_block{}; + PixelFormat default_buffer_format{PixelFormat::Rgba8888}; + u32 default_width{1}; + u32 default_height{1}; + s32 default_max_buffer_count{2}; + const s32 max_acquired_buffer_count{}; // This is always zero on HOS + bool buffer_has_been_queued{}; + u64 frame_counter{}; + u32 transform_hint{}; + bool is_allocating{}; + mutable std::condition_variable is_allocating_condition; + bool allow_allocation{true}; + u64 buffer_age{}; + bool is_shutting_down{}; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_queue_defs.h b/src/core/hle/service/nvflinger/buffer_queue_defs.h new file mode 100644 index 000000000..387d3d36a --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_defs.h @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueDefs.h + +#pragma once + +#include <array> + +#include "common/common_types.h" +#include "core/hle/service/nvflinger/buffer_slot.h" + +namespace Service::android::BufferQueueDefs { + +// BufferQueue will keep track of at most this value of buffers. +constexpr s32 NUM_BUFFER_SLOTS = 64; + +using SlotsType = std::array<BufferSlot, NUM_BUFFER_SLOTS>; + +} // namespace Service::android::BufferQueueDefs diff --git a/src/core/hle/service/nvflinger/buffer_queue_producer.cpp b/src/core/hle/service/nvflinger/buffer_queue_producer.cpp new file mode 100644 index 000000000..078091904 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_producer.cpp @@ -0,0 +1,937 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/BufferQueueProducer.cpp + +#include "common/assert.h" +#include "common/logging/log.h" +#include "common/settings.h" +#include "core/core.h" +#include "core/hle/kernel/hle_ipc.h" +#include "core/hle/kernel/k_event.h" +#include "core/hle/kernel/k_readable_event.h" +#include "core/hle/kernel/k_writable_event.h" +#include "core/hle/kernel/kernel.h" +#include "core/hle/service/kernel_helpers.h" +#include "core/hle/service/nvdrv/nvdrv.h" +#include "core/hle/service/nvflinger/buffer_queue_core.h" +#include "core/hle/service/nvflinger/buffer_queue_producer.h" +#include "core/hle/service/nvflinger/consumer_listener.h" +#include "core/hle/service/nvflinger/parcel.h" +#include "core/hle/service/nvflinger/ui/graphic_buffer.h" +#include "core/hle/service/nvflinger/window.h" +#include "core/hle/service/vi/vi.h" + +namespace Service::android { + +BufferQueueProducer::BufferQueueProducer(Service::KernelHelpers::ServiceContext& service_context_, + std::shared_ptr<BufferQueueCore> buffer_queue_core_) + : service_context{service_context_}, core{std::move(buffer_queue_core_)}, slots(core->slots) { + buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent"); +} + +BufferQueueProducer::~BufferQueueProducer() { + service_context.CloseEvent(buffer_wait_event); +} + +Status BufferQueueProducer::RequestBuffer(s32 slot, std::shared_ptr<GraphicBuffer>* buf) { + LOG_DEBUG(Service_NVFlinger, "slot {}", slot); + + BufferQueueCore::AutoLock lock(core); + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + LOG_ERROR(Service_NVFlinger, "slot index {} out of range [0, {})", slot, + BufferQueueDefs::NUM_BUFFER_SLOTS); + return Status::BadValue; + } else if (slots[slot].buffer_state != BufferState::Dequeued) { + LOG_ERROR(Service_NVFlinger, "slot {} is not owned by the producer (state = {})", slot, + slots[slot].buffer_state); + return Status::BadValue; + } + + slots[slot].request_buffer_called = true; + *buf = slots[slot].graphic_buffer; + + return Status::NoError; +} + +Status BufferQueueProducer::SetBufferCount(s32 buffer_count) { + LOG_DEBUG(Service_NVFlinger, "count = {}", buffer_count); + std::shared_ptr<IConsumerListener> listener; + + { + BufferQueueCore::AutoLock lock(core); + core->WaitWhileAllocatingLocked(); + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + if (buffer_count > BufferQueueDefs::NUM_BUFFER_SLOTS) { + LOG_ERROR(Service_NVFlinger, "buffer_count {} too large (max {})", buffer_count, + BufferQueueDefs::NUM_BUFFER_SLOTS); + return Status::BadValue; + } + + // There must be no dequeued buffers when changing the buffer count. + for (s32 s{}; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { + if (slots[s].buffer_state == BufferState::Dequeued) { + LOG_ERROR(Service_NVFlinger, "buffer owned by producer"); + return Status::BadValue; + } + } + + if (buffer_count == 0) { + core->override_max_buffer_count = 0; + core->SignalDequeueCondition(); + return Status::NoError; + } + + const s32 min_buffer_slots = core->GetMinMaxBufferCountLocked(false); + if (buffer_count < min_buffer_slots) { + LOG_ERROR(Service_NVFlinger, "requested buffer count {} is less than minimum {}", + buffer_count, min_buffer_slots); + return Status::BadValue; + } + + // Here we are guaranteed that the producer doesn't have any dequeued buffers and will + // release all of its buffer references. + if (core->GetPreallocatedBufferCountLocked() <= 0) { + core->FreeAllBuffersLocked(); + } + + core->override_max_buffer_count = buffer_count; + core->SignalDequeueCondition(); + buffer_wait_event->GetWritableEvent().Signal(); + listener = core->consumer_listener; + } + + // Call back without lock held + if (listener != nullptr) { + listener->OnBuffersReleased(); + } + + return Status::NoError; +} + +Status BufferQueueProducer::WaitForFreeSlotThenRelock(bool async, s32* found, + Status* returnFlags) const { + bool try_again = true; + + while (try_again) { + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + const s32 max_buffer_count = core->GetMaxBufferCountLocked(async); + if (async && core->override_max_buffer_count) { + if (core->override_max_buffer_count < max_buffer_count) { + LOG_ERROR(Service_NVFlinger, "async mode is invalid with buffer count override"); + return Status::BadValue; + } + } + + // Free up any buffers that are in slots beyond the max buffer count + for (s32 s = max_buffer_count; s < BufferQueueDefs::NUM_BUFFER_SLOTS; ++s) { + ASSERT(slots[s].buffer_state == BufferState::Free); + if (slots[s].graphic_buffer != nullptr) { + core->FreeBufferLocked(s); + *returnFlags |= Status::ReleaseAllBuffers; + } + } + + s32 dequeued_count{}; + s32 acquired_count{}; + for (s32 s{}; s < max_buffer_count; ++s) { + switch (slots[s].buffer_state) { + case BufferState::Dequeued: + ++dequeued_count; + break; + case BufferState::Acquired: + ++acquired_count; + break; + default: + break; + } + } + + // Producers are not allowed to dequeue more than one buffer if they did not set a buffer + // count + if (!core->override_max_buffer_count && dequeued_count) { + LOG_ERROR(Service_NVFlinger, + "can't dequeue multiple buffers without setting the buffer count"); + return Status::InvalidOperation; + } + + // See whether a buffer has been queued since the last SetBufferCount so we know whether to + // perform the min undequeued buffers check below + if (core->buffer_has_been_queued) { + // Make sure the producer is not trying to dequeue more buffers than allowed + const s32 new_undequeued_count = max_buffer_count - (dequeued_count + 1); + const s32 min_undequeued_count = core->GetMinUndequeuedBufferCountLocked(async); + if (new_undequeued_count < min_undequeued_count) { + LOG_ERROR(Service_NVFlinger, + "min undequeued buffer count({}) exceeded (dequeued={} undequeued={})", + min_undequeued_count, dequeued_count, new_undequeued_count); + return Status::InvalidOperation; + } + } + + *found = BufferQueueCore::INVALID_BUFFER_SLOT; + + // If we disconnect and reconnect quickly, we can be in a state where our slots are empty + // but we have many buffers in the queue. This can cause us to run out of memory if we + // outrun the consumer. Wait here if it looks like we have too many buffers queued up. + const bool too_many_buffers = core->queue.size() > static_cast<size_t>(max_buffer_count); + if (too_many_buffers) { + LOG_ERROR(Service_NVFlinger, "queue size is {}, waiting", core->queue.size()); + } else { + if (!core->free_buffers.empty()) { + auto slot = core->free_buffers.begin(); + *found = *slot; + core->free_buffers.erase(slot); + } else if (core->allow_allocation && !core->free_slots.empty()) { + auto slot = core->free_slots.begin(); + // Only return free slots up to the max buffer count + if (*slot < max_buffer_count) { + *found = *slot; + core->free_slots.erase(slot); + } + } + } + + // If no buffer is found, or if the queue has too many buffers outstanding, wait for a + // buffer to be acquired or released, or for the max buffer count to change. + try_again = (*found == BufferQueueCore::INVALID_BUFFER_SLOT) || too_many_buffers; + if (try_again) { + // Return an error if we're in non-blocking mode (producer and consumer are controlled + // by the application). + if (core->dequeue_buffer_cannot_block && + (acquired_count <= core->max_acquired_buffer_count)) { + return Status::WouldBlock; + } + + if (!core->WaitForDequeueCondition()) { + // We are no longer running + return Status::NoError; + } + } + } + + return Status::NoError; +} + +Status BufferQueueProducer::DequeueBuffer(s32* out_slot, Fence* out_fence, bool async, u32 width, + u32 height, PixelFormat format, u32 usage) { + LOG_DEBUG(Service_NVFlinger, "async={} w={} h={} format={}, usage={}", async ? "true" : "false", + width, height, format, usage); + + if ((width != 0 && height == 0) || (width == 0 && height != 0)) { + LOG_ERROR(Service_NVFlinger, "invalid size: w={} h={}", width, height); + return Status::BadValue; + } + + Status return_flags = Status::NoError; + bool attached_by_consumer = false; + { + BufferQueueCore::AutoLock lock(core); + core->WaitWhileAllocatingLocked(); + if (format == PixelFormat::NoFormat) { + format = core->default_buffer_format; + } + + // Enable the usage bits the consumer requested + usage |= core->consumer_usage_bit; + 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)) { + 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(); + } + + if ((return_flags & Status::BufferNeedsReallocation) != Status::None) { + LOG_DEBUG(Service_NVFlinger, "allocating a new buffer for slot {}", *out_slot); + + auto graphic_buffer = std::make_shared<GraphicBuffer>(width, height, format, usage); + if (graphic_buffer == nullptr) { + LOG_ERROR(Service_NVFlinger, "creating GraphicBuffer failed"); + return Status::NoMemory; + } + + { + BufferQueueCore::AutoLock lock(core); + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + slots[*out_slot].graphic_buffer = graphic_buffer; + } + } + + if (attached_by_consumer) { + return_flags |= Status::BufferNeedsReallocation; + } + + LOG_DEBUG(Service_NVFlinger, "returning slot={} frame={}, flags={}", *out_slot, + slots[*out_slot].frame_number, return_flags); + return return_flags; +} + +Status BufferQueueProducer::DetachBuffer(s32 slot) { + LOG_DEBUG(Service_NVFlinger, "slot {}", slot); + + BufferQueueCore::AutoLock lock(core); + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + LOG_ERROR(Service_NVFlinger, "slot {} out of range [0, {})", slot, + BufferQueueDefs::NUM_BUFFER_SLOTS); + return Status::BadValue; + } else if (slots[slot].buffer_state != BufferState::Dequeued) { + LOG_ERROR(Service_NVFlinger, "slot {} is not owned by the producer (state = {})", slot, + slots[slot].buffer_state); + return Status::BadValue; + } else if (!slots[slot].request_buffer_called) { + LOG_ERROR(Service_NVFlinger, "buffer in slot {} has not been requested", slot); + return Status::BadValue; + } + + core->FreeBufferLocked(slot); + core->SignalDequeueCondition(); + + return Status::NoError; +} + +Status BufferQueueProducer::DetachNextBuffer(std::shared_ptr<GraphicBuffer>* out_buffer, + Fence* out_fence) { + if (out_buffer == nullptr) { + LOG_ERROR(Service_NVFlinger, "out_buffer must not be nullptr"); + return Status::BadValue; + } else if (out_fence == nullptr) { + LOG_ERROR(Service_NVFlinger, "out_fence must not be nullptr"); + return Status::BadValue; + } + + BufferQueueCore::AutoLock lock(core); + + core->WaitWhileAllocatingLocked(); + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + if (core->free_buffers.empty()) { + return Status::NoMemory; + } + + const s32 found = core->free_buffers.front(); + core->free_buffers.remove(found); + + LOG_DEBUG(Service_NVFlinger, "Detached slot {}", found); + + *out_buffer = slots[found].graphic_buffer; + *out_fence = slots[found].fence; + + core->FreeBufferLocked(found); + + return Status::NoError; +} + +Status BufferQueueProducer::AttachBuffer(s32* out_slot, + const std::shared_ptr<GraphicBuffer>& buffer) { + if (out_slot == nullptr) { + LOG_ERROR(Service_NVFlinger, "out_slot must not be nullptr"); + return Status::BadValue; + } else if (buffer == nullptr) { + LOG_ERROR(Service_NVFlinger, "Cannot attach nullptr buffer"); + return Status::BadValue; + } + + BufferQueueCore::AutoLock lock(core); + core->WaitWhileAllocatingLocked(); + + Status return_flags = Status::NoError; + s32 found{}; + + const auto status = WaitForFreeSlotThenRelock(false, &found, &return_flags); + if (status != Status::NoError) { + return status; + } + + if (found == BufferQueueCore::INVALID_BUFFER_SLOT) { + LOG_ERROR(Service_NVFlinger, "No available buffer slots"); + return Status::Busy; + } + + *out_slot = found; + + LOG_DEBUG(Service_NVFlinger, "Returning slot {} flags={}", *out_slot, return_flags); + + slots[*out_slot].graphic_buffer = buffer; + slots[*out_slot].buffer_state = BufferState::Dequeued; + slots[*out_slot].fence = Fence::NoFence(); + slots[*out_slot].request_buffer_called = true; + + return return_flags; +} + +Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input, + QueueBufferOutput* output) { + s64 timestamp{}; + bool is_auto_timestamp{}; + Common::Rectangle<s32> crop; + NativeWindowScalingMode scaling_mode{}; + NativeWindowTransform transform; + u32 sticky_transform_{}; + bool async{}; + s32 swap_interval{}; + Fence fence{}; + + input.Deflate(×tamp, &is_auto_timestamp, &crop, &scaling_mode, &transform, + &sticky_transform_, &async, &swap_interval, &fence); + + switch (scaling_mode) { + case NativeWindowScalingMode::Freeze: + case NativeWindowScalingMode::ScaleToWindow: + case NativeWindowScalingMode::ScaleCrop: + case NativeWindowScalingMode::NoScaleCrop: + break; + default: + LOG_ERROR(Service_NVFlinger, "unknown scaling mode {}", scaling_mode); + return Status::BadValue; + } + + std::shared_ptr<IConsumerListener> frameAvailableListener; + std::shared_ptr<IConsumerListener> frameReplacedListener; + s32 callback_ticket{}; + BufferItem item; + + { + BufferQueueCore::AutoLock lock(core); + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + const s32 max_buffer_count = core->GetMaxBufferCountLocked(async); + if (async && core->override_max_buffer_count) { + if (core->override_max_buffer_count < max_buffer_count) { + LOG_ERROR(Service_NVFlinger, "async mode is invalid with " + "buffer count override"); + return Status::BadValue; + } + } + + if (slot < 0 || slot >= max_buffer_count) { + LOG_ERROR(Service_NVFlinger, "slot index {} out of range [0, {})", slot, + max_buffer_count); + return Status::BadValue; + } else if (slots[slot].buffer_state != BufferState::Dequeued) { + LOG_ERROR(Service_NVFlinger, + "slot {} is not owned by the producer " + "(state = {})", + slot, slots[slot].buffer_state); + return Status::BadValue; + } else if (!slots[slot].request_buffer_called) { + LOG_ERROR(Service_NVFlinger, + "slot {} was queued without requesting " + "a buffer", + slot); + return Status::BadValue; + } + + LOG_DEBUG(Service_NVFlinger, + "slot={} frame={} time={} crop=[{},{},{},{}] transform={} scale={}", slot, + core->frame_counter + 1, timestamp, crop.Left(), crop.Top(), crop.Right(), + crop.Bottom(), transform, scaling_mode); + + const std::shared_ptr<GraphicBuffer>& graphic_buffer(slots[slot].graphic_buffer); + Common::Rectangle<s32> buffer_rect(graphic_buffer->Width(), graphic_buffer->Height()); + Common::Rectangle<s32> cropped_rect; + [[maybe_unused]] const bool unused = crop.Intersect(buffer_rect, &cropped_rect); + + if (cropped_rect != crop) { + LOG_ERROR(Service_NVFlinger, "crop rect is not contained within the buffer in slot {}", + slot); + return Status::BadValue; + } + + slots[slot].fence = fence; + slots[slot].buffer_state = BufferState::Queued; + ++core->frame_counter; + slots[slot].frame_number = core->frame_counter; + + item.acquire_called = slots[slot].acquire_called; + item.graphic_buffer = slots[slot].graphic_buffer; + item.crop = crop; + item.transform = transform & ~NativeWindowTransform::InverseDisplay; + item.transform_to_display_inverse = + (transform & NativeWindowTransform::InverseDisplay) != NativeWindowTransform::None; + item.scaling_mode = static_cast<u32>(scaling_mode); + item.timestamp = timestamp; + item.is_auto_timestamp = is_auto_timestamp; + item.frame_number = core->frame_counter; + item.slot = slot; + 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; + } else { + // When the queue is not empty, we need to look at the front buffer + // state to see if we need to replace it + auto front(core->queue.begin()); + + if (front->is_droppable) { + // If the front queued buffer is still being tracked, we first + // mark it as freed + if (core->StillTracking(*front)) { + slots[front->slot].buffer_state = BufferState::Free; + core->free_buffers.push_front(front->slot); + } + // Overwrite the droppable buffer with the incoming one + *front = item; + frameReplacedListener = core->consumer_listener; + } else { + core->queue.push_back(item); + frameAvailableListener = core->consumer_listener; + } + } + + core->buffer_has_been_queued = true; + core->SignalDequeueCondition(); + output->Inflate(core->default_width, core->default_height, core->transform_hint, + static_cast<u32>(core->queue.size())); + + // Take a ticket for the callback functions + callback_ticket = next_callback_ticket++; + } + + // Don't send the GraphicBuffer through the callback, and don't send the slot number, since the + // consumer shouldn't need it + item.graphic_buffer.reset(); + item.slot = BufferItem::INVALID_BUFFER_SLOT; + + // Call back without the main BufferQueue lock held, but with the callback lock held so we can + // ensure that callbacks occur in order + { + std::unique_lock lock(callback_mutex); + while (callback_ticket != current_callback_ticket) { + std::unique_lock<std::mutex> lk(callback_mutex); + callback_condition.wait(lk); + } + + if (frameAvailableListener != nullptr) { + frameAvailableListener->OnFrameAvailable(item); + } else if (frameReplacedListener != nullptr) { + frameReplacedListener->OnFrameReplaced(item); + } + + ++current_callback_ticket; + callback_condition.notify_all(); + } + + return Status::NoError; +} + +void BufferQueueProducer::CancelBuffer(s32 slot, const Fence& fence) { + LOG_DEBUG(Service_NVFlinger, "slot {}", slot); + + BufferQueueCore::AutoLock lock(core); + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return; + } + + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + LOG_ERROR(Service_NVFlinger, "slot index {} out of range [0, {})", slot, + BufferQueueDefs::NUM_BUFFER_SLOTS); + return; + } else if (slots[slot].buffer_state != BufferState::Dequeued) { + LOG_ERROR(Service_NVFlinger, "slot {} is not owned by the producer (state = {})", slot, + slots[slot].buffer_state); + return; + } + + core->free_buffers.push_front(slot); + slots[slot].buffer_state = BufferState::Free; + slots[slot].fence = fence; + + core->SignalDequeueCondition(); + buffer_wait_event->GetWritableEvent().Signal(); +} + +Status BufferQueueProducer::Query(NativeWindow what, s32* out_value) { + BufferQueueCore::AutoLock lock(core); + + if (out_value == nullptr) { + LOG_ERROR(Service_NVFlinger, "outValue was nullptr"); + return Status::BadValue; + } + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + u32 value{}; + switch (what) { + case NativeWindow::Width: + value = core->default_width; + break; + case NativeWindow::Height: + value = core->default_height; + break; + case NativeWindow::Format: + value = static_cast<u32>(core->default_buffer_format); + break; + case NativeWindow::MinUndequeedBuffers: + value = core->GetMinUndequeuedBufferCountLocked(false); + break; + case NativeWindow::StickyTransform: + value = sticky_transform; + break; + case NativeWindow::ConsumerRunningBehind: + value = (core->queue.size() > 1); + break; + 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; + } + + LOG_DEBUG(Service_NVFlinger, "what = {}, value = {}", what, value); + + *out_value = static_cast<s32>(value); + + return Status::NoError; +} + +Status BufferQueueProducer::Connect(const std::shared_ptr<IProducerListener>& listener, + NativeWindowApi api, bool producer_controlled_by_app, + QueueBufferOutput* output) { + BufferQueueCore::AutoLock lock(core); + + LOG_DEBUG(Service_NVFlinger, "api = {} producer_controlled_by_app = {}", api, + producer_controlled_by_app); + + if (core->is_abandoned) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has been abandoned"); + return Status::NoInit; + } + + if (core->consumer_listener == nullptr) { + LOG_ERROR(Service_NVFlinger, "BufferQueue has no consumer"); + return Status::NoInit; + } + + if (output == nullptr) { + LOG_ERROR(Service_NVFlinger, "output was nullptr"); + return Status::BadValue; + } + + if (core->connected_api != NativeWindowApi::NoConnectedApi) { + LOG_ERROR(Service_NVFlinger, "already connected (cur = {} req = {})", core->connected_api, + api); + return Status::BadValue; + } + + Status status = Status::NoError; + switch (api) { + case NativeWindowApi::Egl: + case NativeWindowApi::Cpu: + case NativeWindowApi::Media: + case NativeWindowApi::Camera: + core->connected_api = api; + output->Inflate(core->default_width, core->default_height, core->transform_hint, + static_cast<u32>(core->queue.size())); + core->connected_producer_listener = listener; + break; + default: + LOG_ERROR(Service_NVFlinger, "unknown api = {}", api); + status = Status::BadValue; + break; + } + + 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; +} + +Status BufferQueueProducer::Disconnect(NativeWindowApi api) { + LOG_DEBUG(Service_NVFlinger, "api = {}", api); + + Status status = Status::NoError; + std::shared_ptr<IConsumerListener> listener; + + { + BufferQueueCore::AutoLock lock(core); + + core->WaitWhileAllocatingLocked(); + + if (core->is_abandoned) { + // Disconnecting after the surface has been abandoned is a no-op. + return Status::NoError; + } + + switch (api) { + case NativeWindowApi::Egl: + case NativeWindowApi::Cpu: + case NativeWindowApi::Media: + case NativeWindowApi::Camera: + if (core->connected_api == api) { + core->FreeAllBuffersLocked(); + core->connected_producer_listener = nullptr; + core->connected_api = NativeWindowApi::NoConnectedApi; + core->SignalDequeueCondition(); + buffer_wait_event->GetWritableEvent().Signal(); + listener = core->consumer_listener; + } else if (core->connected_api != NativeWindowApi::NoConnectedApi) { + LOG_ERROR(Service_NVFlinger, "still connected to another api (cur = {} req = {})", + core->connected_api, api); + status = Status::BadValue; + } + break; + default: + LOG_ERROR(Service_NVFlinger, "unknown api = {}", api); + status = Status::BadValue; + break; + } + } + + // Call back without lock held + if (listener != nullptr) { + listener->OnBuffersReleased(); + } + + return status; +} + +Status BufferQueueProducer::SetPreallocatedBuffer(s32 slot, + const std::shared_ptr<GraphicBuffer>& buffer) { + LOG_DEBUG(Service_NVFlinger, "slot {}", slot); + + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + return Status::BadValue; + } + + BufferQueueCore::AutoLock lock(core); + + slots[slot] = {}; + slots[slot].graphic_buffer = buffer; + + // Most games preallocate a buffer and pass a valid buffer here. However, it is possible for + // this to be called with an empty buffer, Naruto Ultimate Ninja Storm is a game that does this. + if (buffer) { + slots[slot].is_preallocated = true; + + core->override_max_buffer_count = core->GetPreallocatedBufferCountLocked(); + core->default_width = buffer->Width(); + core->default_height = buffer->Height(); + core->default_buffer_format = buffer->Format(); + } + + core->SignalDequeueCondition(); + buffer_wait_event->GetWritableEvent().Signal(); + + return Status::NoError; +} + +void BufferQueueProducer::Transact(Kernel::HLERequestContext& ctx, TransactionId code, u32 flags) { + Status status{Status::NoError}; + Parcel parcel_in{ctx.ReadBuffer()}; + Parcel parcel_out{}; + + switch (code) { + case TransactionId::Connect: { + const auto enable_listener = parcel_in.Read<bool>(); + const auto api = parcel_in.Read<NativeWindowApi>(); + const auto producer_controlled_by_app = parcel_in.Read<bool>(); + + UNIMPLEMENTED_IF_MSG(enable_listener, "Listener is unimplemented!"); + + std::shared_ptr<IProducerListener> listener; + QueueBufferOutput output{}; + + status = Connect(listener, api, producer_controlled_by_app, &output); + + parcel_out.Write(output); + break; + } + case TransactionId::SetPreallocatedBuffer: { + const auto slot = parcel_in.Read<s32>(); + const auto buffer = parcel_in.ReadObject<GraphicBuffer>(); + + status = SetPreallocatedBuffer(slot, buffer); + break; + } + case TransactionId::DequeueBuffer: { + const auto is_async = parcel_in.Read<bool>(); + const auto width = parcel_in.Read<u32>(); + const auto height = parcel_in.Read<u32>(); + const auto pixel_format = parcel_in.Read<PixelFormat>(); + const auto usage = parcel_in.Read<u32>(); + + s32 slot{}; + Fence fence{}; + + status = DequeueBuffer(&slot, &fence, is_async, width, height, pixel_format, usage); + + parcel_out.Write(slot); + parcel_out.WriteObject(&fence); + break; + } + case TransactionId::RequestBuffer: { + const auto slot = parcel_in.Read<s32>(); + + std::shared_ptr<GraphicBuffer> buf; + + status = RequestBuffer(slot, &buf); + + parcel_out.WriteObject(buf); + break; + } + case TransactionId::QueueBuffer: { + const auto slot = parcel_in.Read<s32>(); + + QueueBufferInput input{parcel_in}; + QueueBufferOutput output; + + status = QueueBuffer(slot, input, &output); + + parcel_out.Write(output); + break; + } + case TransactionId::Query: { + const auto what = parcel_in.Read<NativeWindow>(); + + s32 value{}; + + status = Query(what, &value); + + parcel_out.Write(value); + break; + } + case TransactionId::CancelBuffer: { + const auto slot = parcel_in.Read<s32>(); + const auto fence = parcel_in.ReadFlattened<Fence>(); + + CancelBuffer(slot, fence); + break; + } + case TransactionId::Disconnect: { + const auto api = parcel_in.Read<NativeWindowApi>(); + + status = Disconnect(api); + break; + } + case TransactionId::DetachBuffer: { + const auto slot = parcel_in.Read<s32>(); + + status = DetachBuffer(slot); + break; + } + case TransactionId::SetBufferCount: { + const auto buffer_count = parcel_in.Read<s32>(); + + status = SetBufferCount(buffer_count); + break; + } + case TransactionId::GetBufferHistory: + LOG_WARNING(Service_NVFlinger, "(STUBBED) called, transaction=GetBufferHistory"); + break; + default: + ASSERT_MSG(false, "Unimplemented TransactionId {}", code); + break; + } + + parcel_out.Write(status); + + ctx.WriteBuffer(parcel_out.Serialize()); +} + +Kernel::KReadableEvent& BufferQueueProducer::GetNativeHandle() { + return buffer_wait_event->GetReadableEvent(); +} + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_queue_producer.h b/src/core/hle/service/nvflinger/buffer_queue_producer.h new file mode 100644 index 000000000..5ddeebe0c --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue_producer.h @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferQueueProducer.h + +#pragma once + +#include <condition_variable> +#include <memory> +#include <mutex> + +#include "common/common_funcs.h" +#include "core/hle/service/nvdrv/nvdata.h" +#include "core/hle/service/nvflinger/binder.h" +#include "core/hle/service/nvflinger/buffer_queue_defs.h" +#include "core/hle/service/nvflinger/buffer_slot.h" +#include "core/hle/service/nvflinger/graphic_buffer_producer.h" +#include "core/hle/service/nvflinger/pixel_format.h" +#include "core/hle/service/nvflinger/status.h" +#include "core/hle/service/nvflinger/window.h" + +namespace Kernel { +class KernelCore; +class KEvent; +class KReadableEvent; +class KWritableEvent; +} // namespace Kernel + +namespace Service::KernelHelpers { +class ServiceContext; +} // namespace Service::KernelHelpers + +namespace Service::android { + +class BufferQueueCore; +class IProducerListener; + +class BufferQueueProducer final : public IBinder { +public: + explicit BufferQueueProducer(Service::KernelHelpers::ServiceContext& service_context_, + std::shared_ptr<BufferQueueCore> buffer_queue_core_); + ~BufferQueueProducer(); + + void Transact(Kernel::HLERequestContext& ctx, android::TransactionId code, u32 flags) override; + + Kernel::KReadableEvent& GetNativeHandle() override; + +public: + Status RequestBuffer(s32 slot, std::shared_ptr<GraphicBuffer>* buf); + Status SetBufferCount(s32 buffer_count); + Status DequeueBuffer(s32* out_slot, android::Fence* out_fence, bool async, u32 width, + u32 height, PixelFormat format, u32 usage); + Status DetachBuffer(s32 slot); + Status DetachNextBuffer(std::shared_ptr<GraphicBuffer>* out_buffer, Fence* out_fence); + Status AttachBuffer(s32* outSlot, const std::shared_ptr<GraphicBuffer>& buffer); + Status QueueBuffer(s32 slot, const QueueBufferInput& input, QueueBufferOutput* output); + void CancelBuffer(s32 slot, const Fence& fence); + Status Query(NativeWindow what, s32* out_value); + Status Connect(const std::shared_ptr<IProducerListener>& listener, NativeWindowApi api, + bool producer_controlled_by_app, QueueBufferOutput* output); + + Status Disconnect(NativeWindowApi api); + Status SetPreallocatedBuffer(s32 slot, const std::shared_ptr<GraphicBuffer>& buffer); + +private: + BufferQueueProducer(const BufferQueueProducer&) = delete; + + Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* returnFlags) const; + + Kernel::KEvent* buffer_wait_event{}; + Service::KernelHelpers::ServiceContext& service_context; + + std::shared_ptr<BufferQueueCore> core; + BufferQueueDefs::SlotsType& slots; + u32 sticky_transform{}; + std::mutex callback_mutex; + s32 next_callback_ticket{}; + s32 current_callback_ticket{}; + std::condition_variable callback_condition; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_slot.h b/src/core/hle/service/nvflinger/buffer_slot.h new file mode 100644 index 000000000..e3ea58910 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_slot.h @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/BufferSlot.h + +#pragma once + +#include <memory> + +#include "common/common_types.h" +#include "core/hle/service/nvflinger/ui/fence.h" + +namespace Service::android { + +class GraphicBuffer; + +enum class BufferState : u32 { + Free = 0, + Dequeued = 1, + Queued = 2, + Acquired = 3, +}; + +struct BufferSlot final { + constexpr BufferSlot() = default; + + std::shared_ptr<GraphicBuffer> graphic_buffer; + BufferState buffer_state{BufferState::Free}; + bool request_buffer_called{}; + u64 frame_number{}; + Fence fence; + bool acquire_called{}; + bool needs_cleanup_on_release{}; + bool attached_by_consumer{}; + bool is_preallocated{}; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/buffer_transform_flags.h b/src/core/hle/service/nvflinger/buffer_transform_flags.h new file mode 100644 index 000000000..e8e6300e3 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_transform_flags.h @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#pragma once + +#include "common/common_types.h" + +namespace Service::android { + +enum class BufferTransformFlags : u32 { + /// No transform flags are set + Unset = 0x00, + /// Flip source image horizontally (around the vertical axis) + FlipH = 0x01, + /// Flip source image vertically (around the horizontal axis) + FlipV = 0x02, + /// Rotate source image 90 degrees clockwise + Rotate90 = 0x04, + /// Rotate source image 180 degrees + Rotate180 = 0x03, + /// Rotate source image 270 degrees clockwise + Rotate270 = 0x07, +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/consumer_base.cpp b/src/core/hle/service/nvflinger/consumer_base.cpp new file mode 100644 index 000000000..3ccbb7fb8 --- /dev/null +++ b/src/core/hle/service/nvflinger/consumer_base.cpp @@ -0,0 +1,130 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2010 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/ConsumerBase.cpp + +#include "common/assert.h" +#include "common/logging/log.h" +#include "core/hle/service/nvflinger/buffer_item.h" +#include "core/hle/service/nvflinger/buffer_queue_consumer.h" +#include "core/hle/service/nvflinger/buffer_queue_core.h" +#include "core/hle/service/nvflinger/consumer_base.h" +#include "core/hle/service/nvflinger/ui/graphic_buffer.h" + +namespace Service::android { + +ConsumerBase::ConsumerBase(std::unique_ptr<BufferQueueConsumer> consumer_) + : consumer{std::move(consumer_)} {} + +ConsumerBase::~ConsumerBase() { + std::unique_lock lock(mutex); + + ASSERT_MSG(is_abandoned, "consumer is not abandoned!"); +} + +void ConsumerBase::Connect(bool controlled_by_app) { + consumer->Connect(shared_from_this(), controlled_by_app); +} + +void ConsumerBase::FreeBufferLocked(s32 slot_index) { + LOG_DEBUG(Service_NVFlinger, "slot_index={}", slot_index); + + slots[slot_index].graphic_buffer = nullptr; + slots[slot_index].fence = Fence::NoFence(); + slots[slot_index].frame_number = 0; +} + +void ConsumerBase::OnFrameAvailable(const BufferItem& item) { + std::unique_lock lock(mutex); + LOG_DEBUG(Service_NVFlinger, "called"); +} + +void ConsumerBase::OnFrameReplaced(const BufferItem& item) { + std::unique_lock lock(mutex); + LOG_DEBUG(Service_NVFlinger, "called"); +} + +void ConsumerBase::OnBuffersReleased() { + std::unique_lock lock(mutex); + LOG_DEBUG(Service_NVFlinger, "called"); +} + +void ConsumerBase::OnSidebandStreamChanged() {} + +Status ConsumerBase::AcquireBufferLocked(BufferItem* item, std::chrono::nanoseconds present_when, + u64 max_frame_number) { + if (is_abandoned) { + LOG_ERROR(Service_NVFlinger, "consumer is abandoned!"); + return Status::NoInit; + } + + Status err = consumer->AcquireBuffer(item, present_when, max_frame_number); + if (err != Status::NoError) { + return err; + } + + if (item->graphic_buffer != nullptr) { + if (slots[item->slot].graphic_buffer != nullptr) { + FreeBufferLocked(item->slot); + } + slots[item->slot].graphic_buffer = item->graphic_buffer; + } + + slots[item->slot].frame_number = item->frame_number; + slots[item->slot].fence = item->fence; + + LOG_DEBUG(Service_NVFlinger, "slot={}", item->slot); + + return Status::NoError; +} + +Status ConsumerBase::AddReleaseFenceLocked(s32 slot, + const std::shared_ptr<GraphicBuffer> graphic_buffer, + const Fence& fence) { + LOG_DEBUG(Service_NVFlinger, "slot={}", slot); + + // If consumer no longer tracks this graphic_buffer, we can safely + // drop this fence, as it will never be received by the producer. + + if (!StillTracking(slot, graphic_buffer)) { + return Status::NoError; + } + + slots[slot].fence = fence; + + return Status::NoError; +} + +Status ConsumerBase::ReleaseBufferLocked(s32 slot, + const std::shared_ptr<GraphicBuffer> graphic_buffer) { + // If consumer no longer tracks this graphic_buffer (we received a new + // buffer on the same slot), the buffer producer is definitely no longer + // tracking it. + + if (!StillTracking(slot, graphic_buffer)) { + return Status::NoError; + } + + LOG_DEBUG(Service_NVFlinger, "slot={}", slot); + Status err = consumer->ReleaseBuffer(slot, slots[slot].frame_number, slots[slot].fence); + if (err == Status::StaleBufferSlot) { + FreeBufferLocked(slot); + } + + slots[slot].fence = Fence::NoFence(); + + return err; +} + +bool ConsumerBase::StillTracking(s32 slot, + const std::shared_ptr<GraphicBuffer> graphic_buffer) const { + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + return false; + } + + return (slots[slot].graphic_buffer != nullptr && + slots[slot].graphic_buffer->Handle() == graphic_buffer->Handle()); +} + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/consumer_base.h b/src/core/hle/service/nvflinger/consumer_base.h new file mode 100644 index 000000000..9ab949420 --- /dev/null +++ b/src/core/hle/service/nvflinger/consumer_base.h @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2010 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/ConsumerBase.h + +#pragma once + +#include <array> +#include <chrono> +#include <memory> +#include <mutex> + +#include "common/common_types.h" +#include "core/hle/service/nvflinger/buffer_queue_defs.h" +#include "core/hle/service/nvflinger/consumer_listener.h" +#include "core/hle/service/nvflinger/status.h" + +namespace Service::android { + +class BufferItem; +class BufferQueueConsumer; + +class ConsumerBase : public IConsumerListener, public std::enable_shared_from_this<ConsumerBase> { +public: + void Connect(bool controlled_by_app); + +protected: + explicit ConsumerBase(std::unique_ptr<BufferQueueConsumer> consumer_); + virtual ~ConsumerBase(); + + virtual void OnFrameAvailable(const BufferItem& item) override; + virtual void OnFrameReplaced(const BufferItem& item) override; + virtual void OnBuffersReleased() override; + virtual void OnSidebandStreamChanged() override; + + void FreeBufferLocked(s32 slot_index); + Status AcquireBufferLocked(BufferItem* item, std::chrono::nanoseconds present_when, + u64 max_frame_number = 0); + Status ReleaseBufferLocked(s32 slot, const std::shared_ptr<GraphicBuffer> graphic_buffer); + bool StillTracking(s32 slot, const std::shared_ptr<GraphicBuffer> graphic_buffer) const; + Status AddReleaseFenceLocked(s32 slot, const std::shared_ptr<GraphicBuffer> graphic_buffer, + const Fence& fence); + + struct Slot final { + std::shared_ptr<GraphicBuffer> graphic_buffer; + Fence fence; + u64 frame_number{}; + }; + +protected: + std::array<Slot, BufferQueueDefs::NUM_BUFFER_SLOTS> slots; + + bool is_abandoned{}; + + std::unique_ptr<BufferQueueConsumer> consumer; + + mutable std::mutex mutex; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/consumer_listener.h b/src/core/hle/service/nvflinger/consumer_listener.h new file mode 100644 index 000000000..b6d1c3e9a --- /dev/null +++ b/src/core/hle/service/nvflinger/consumer_listener.h @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/IConsumerListener.h + +#pragma once + +namespace Service::android { + +class BufferItem; + +/// ConsumerListener is the interface through which the BufferQueue notifies the consumer of events +/// that the consumer may wish to react to. +class IConsumerListener { +public: + IConsumerListener() = default; + virtual ~IConsumerListener() = default; + + virtual void OnFrameAvailable(const BufferItem& item) = 0; + virtual void OnFrameReplaced(const BufferItem& item) = 0; + virtual void OnBuffersReleased() = 0; + virtual void OnSidebandStreamChanged() = 0; +}; + +}; // namespace Service::android diff --git a/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp b/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp new file mode 100644 index 000000000..d4da98ddb --- /dev/null +++ b/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2010 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/IGraphicBufferProducer.cpp + +#pragma once + +#include "core/hle/service/nvflinger/graphic_buffer_producer.h" +#include "core/hle/service/nvflinger/parcel.h" + +namespace Service::android { + +QueueBufferInput::QueueBufferInput(Parcel& parcel) { + parcel.ReadFlattened(*this); +} + +QueueBufferOutput::QueueBufferOutput() = default; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/graphic_buffer_producer.h b/src/core/hle/service/nvflinger/graphic_buffer_producer.h new file mode 100644 index 000000000..98d27871c --- /dev/null +++ b/src/core/hle/service/nvflinger/graphic_buffer_producer.h @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2010 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/IGraphicBufferProducer.h + +#pragma once + +#include "common/common_funcs.h" +#include "common/common_types.h" +#include "common/math_util.h" +#include "core/hle/service/nvflinger/ui/fence.h" +#include "core/hle/service/nvflinger/window.h" + +namespace Service::android { + +class Parcel; + +#pragma pack(push, 1) +struct QueueBufferInput final { + explicit QueueBufferInput(Parcel& parcel); + + void Deflate(s64* timestamp_, bool* is_auto_timestamp_, Common::Rectangle<s32>* crop_, + NativeWindowScalingMode* scaling_mode_, NativeWindowTransform* transform_, + u32* sticky_transform_, bool* async_, s32* swap_interval_, Fence* fence_) const { + *timestamp_ = timestamp; + *is_auto_timestamp_ = static_cast<bool>(is_auto_timestamp); + *crop_ = crop; + *scaling_mode_ = scaling_mode; + *transform_ = transform; + *sticky_transform_ = sticky_transform; + *async_ = static_cast<bool>(async); + *swap_interval_ = swap_interval; + *fence_ = fence; + } + +private: + s64 timestamp{}; + s32 is_auto_timestamp{}; + Common::Rectangle<s32> crop{}; + NativeWindowScalingMode scaling_mode{}; + NativeWindowTransform transform{}; + u32 sticky_transform{}; + s32 async{}; + s32 swap_interval{}; + Fence fence{}; +}; +#pragma pack(pop) +static_assert(sizeof(QueueBufferInput) == 84, "QueueBufferInput has wrong size"); + +struct QueueBufferOutput final { + QueueBufferOutput(); + + void Deflate(u32* width_, u32* height_, u32* transform_hint_, u32* num_pending_buffers_) const { + *width_ = width; + *height_ = height; + *transform_hint_ = transform_hint; + *num_pending_buffers_ = num_pending_buffers; + } + + void Inflate(u32 width_, u32 height_, u32 transform_hint_, u32 num_pending_buffers_) { + width = width_; + height = height_; + transform_hint = transform_hint_; + num_pending_buffers = num_pending_buffers_; + } + +private: + u32 width{}; + u32 height{}; + u32 transform_hint{}; + u32 num_pending_buffers{}; +}; +static_assert(sizeof(QueueBufferOutput) == 16, "QueueBufferOutput has wrong size"); + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/hos_binder_driver_server.cpp b/src/core/hle/service/nvflinger/hos_binder_driver_server.cpp new file mode 100644 index 000000000..0c937d682 --- /dev/null +++ b/src/core/hle/service/nvflinger/hos_binder_driver_server.cpp @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#include <mutex> + +#include "common/common_types.h" +#include "core/hle/service/nvflinger/hos_binder_driver_server.h" + +namespace Service::NVFlinger { + +HosBinderDriverServer::HosBinderDriverServer(Core::System& system_) + : service_context(system_, "HosBinderDriverServer") {} + +HosBinderDriverServer::~HosBinderDriverServer() {} + +u64 HosBinderDriverServer::RegisterProducer(std::unique_ptr<android::IBinder>&& binder) { + std::lock_guard lk{lock}; + + last_id++; + + producers[last_id] = std::move(binder); + + return last_id; +} + +android::IBinder* HosBinderDriverServer::TryGetProducer(u64 id) { + std::lock_guard lk{lock}; + + if (auto search = producers.find(id); search != producers.end()) { + return search->second.get(); + } + + return {}; +} + +} // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/hos_binder_driver_server.h b/src/core/hle/service/nvflinger/hos_binder_driver_server.h new file mode 100644 index 000000000..cbca87fa0 --- /dev/null +++ b/src/core/hle/service/nvflinger/hos_binder_driver_server.h @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#pragma once + +#include <memory> +#include <mutex> +#include <unordered_map> + +#include "common/common_types.h" +#include "core/hle/service/kernel_helpers.h" +#include "core/hle/service/nvflinger/binder.h" + +namespace Core { +class System; +} + +namespace Service::NVFlinger { + +class HosBinderDriverServer final { +public: + explicit HosBinderDriverServer(Core::System& system_); + ~HosBinderDriverServer(); + + u64 RegisterProducer(std::unique_ptr<android::IBinder>&& binder); + + android::IBinder* TryGetProducer(u64 id); + +private: + KernelHelpers::ServiceContext service_context; + + std::unordered_map<u64, std::unique_ptr<android::IBinder>> producers; + std::mutex lock; + u64 last_id{}; +}; + +} // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp index 01e69de30..76ce1fbfd 100644 --- a/src/core/hle/service/nvflinger/nvflinger.cpp +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -1,6 +1,5 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project #include <algorithm> #include <optional> @@ -16,8 +15,11 @@ #include "core/hle/kernel/k_readable_event.h" #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h" #include "core/hle/service/nvdrv/nvdrv.h" -#include "core/hle/service/nvflinger/buffer_queue.h" +#include "core/hle/service/nvflinger/buffer_item_consumer.h" +#include "core/hle/service/nvflinger/buffer_queue_core.h" +#include "core/hle/service/nvflinger/hos_binder_driver_server.h" #include "core/hle/service/nvflinger/nvflinger.h" +#include "core/hle/service/nvflinger/ui/graphic_buffer.h" #include "core/hle/service/vi/display/vi_display.h" #include "core/hle/service/vi/layer/vi_layer.h" #include "video_core/gpu.h" @@ -53,13 +55,14 @@ void NVFlinger::SplitVSync(std::stop_token stop_token) { } } -NVFlinger::NVFlinger(Core::System& system_) - : system(system_), service_context(system_, "nvflinger") { - displays.emplace_back(0, "Default", service_context, system); - displays.emplace_back(1, "External", service_context, system); - displays.emplace_back(2, "Edid", service_context, system); - displays.emplace_back(3, "Internal", service_context, system); - displays.emplace_back(4, "Null", service_context, system); +NVFlinger::NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_driver_server_) + : system(system_), service_context(system_, "nvflinger"), + hos_binder_driver_server(hos_binder_driver_server_) { + displays.emplace_back(0, "Default", hos_binder_driver_server, service_context, system); + displays.emplace_back(1, "External", hos_binder_driver_server, service_context, system); + displays.emplace_back(2, "Edid", hos_binder_driver_server, service_context, system); + displays.emplace_back(3, "Internal", hos_binder_driver_server, service_context, system); + displays.emplace_back(4, "Null", hos_binder_driver_server, service_context, system); guard = std::make_shared<std::mutex>(); // Schedule the screen composition events @@ -83,12 +86,15 @@ NVFlinger::NVFlinger(Core::System& system_) } NVFlinger::~NVFlinger() { - for (auto& buffer_queue : buffer_queues) { - buffer_queue->Disconnect(); - } if (!system.IsMulticore()) { system.CoreTiming().UnscheduleEvent(composition_event, 0); } + + for (auto& display : displays) { + for (size_t layer = 0; layer < display.GetNumLayers(); ++layer) { + display.GetLayer(layer).Core().NotifyShutdown(); + } + } } void NVFlinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) { @@ -125,10 +131,8 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) { } void NVFlinger::CreateLayerAtId(VI::Display& display, u64 layer_id) { - const u32 buffer_queue_id = next_buffer_queue_id++; - buffer_queues.emplace_back( - std::make_unique<BufferQueue>(system.Kernel(), buffer_queue_id, layer_id, service_context)); - display.CreateLayer(layer_id, *buffer_queues.back()); + const auto buffer_id = next_buffer_queue_id++; + display.CreateLayer(layer_id, buffer_id); } void NVFlinger::CloseLayer(u64 layer_id) { @@ -147,7 +151,7 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) { return std::nullopt; } - return layer->GetBufferQueue().GetId(); + return layer->GetBinderId(); } Kernel::KReadableEvent* NVFlinger::FindVsyncEvent(u64 display_id) { @@ -161,18 +165,6 @@ Kernel::KReadableEvent* NVFlinger::FindVsyncEvent(u64 display_id) { return &display->GetVSyncEvent(); } -BufferQueue* NVFlinger::FindBufferQueue(u32 id) { - const auto lock_guard = Lock(); - const auto itr = std::find_if(buffer_queues.begin(), buffer_queues.end(), - [id](const auto& queue) { return queue->GetId() == id; }); - - if (itr == buffer_queues.end()) { - return nullptr; - } - - return itr->get(); -} - VI::Display* NVFlinger::FindDisplay(u64 display_id) { const auto itr = std::find_if(displays.begin(), displays.end(), @@ -246,23 +238,22 @@ void NVFlinger::Compose() { // TODO(Subv): Support more than 1 layer. VI::Layer& layer = display.GetLayer(0); - auto& buffer_queue = layer.GetBufferQueue(); - // Search for a queued buffer and acquire it - auto buffer = buffer_queue.AcquireBuffer(); + android::BufferItem buffer{}; + const auto status = layer.GetConsumer().AcquireBuffer(&buffer, {}, false); - if (!buffer) { + if (status != android::Status::NoError) { continue; } - const auto& igbp_buffer = buffer->get().igbp_buffer; + const auto& igbp_buffer = *buffer.graphic_buffer; if (!system.IsPoweredOn()) { return; // We are likely shutting down } auto& gpu = system.GPU(); - const auto& multi_fence = buffer->get().multi_fence; + const auto& multi_fence = buffer.fence; guard->unlock(); for (u32 fence_id = 0; fence_id < multi_fence.num_fences; fence_id++) { const auto& fence = multi_fence.fences[fence_id]; @@ -278,12 +269,18 @@ void NVFlinger::Compose() { auto nvdisp = nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>("/dev/nvdisp_disp0"); ASSERT(nvdisp); - nvdisp->flip(igbp_buffer.gpu_buffer_id, igbp_buffer.offset, igbp_buffer.external_format, - igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride, - buffer->get().transform, buffer->get().crop_rect); + Common::Rectangle<int> crop_rect{ + static_cast<int>(buffer.crop.Left()), static_cast<int>(buffer.crop.Top()), + static_cast<int>(buffer.crop.Right()), static_cast<int>(buffer.crop.Bottom())}; + + nvdisp->flip(igbp_buffer.BufferId(), igbp_buffer.Offset(), igbp_buffer.ExternalFormat(), + igbp_buffer.Width(), igbp_buffer.Height(), igbp_buffer.Stride(), + static_cast<android::BufferTransformFlags>(buffer.transform), crop_rect); + + swap_interval = buffer.swap_interval; - swap_interval = buffer->get().swap_interval; - buffer_queue.ReleaseBuffer(buffer->get().slot); + auto fence = android::Fence::NoFence(); + layer.GetConsumer().ReleaseBuffer(buffer, fence); } } diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h index 7935cf773..ed160f6f9 100644 --- a/src/core/hle/service/nvflinger/nvflinger.h +++ b/src/core/hle/service/nvflinger/nvflinger.h @@ -1,6 +1,5 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project #pragma once @@ -37,13 +36,16 @@ class Display; class Layer; } // namespace Service::VI -namespace Service::NVFlinger { +namespace Service::android { +class BufferQueueCore; +class BufferQueueProducer; +} // namespace Service::android -class BufferQueue; +namespace Service::NVFlinger { class NVFlinger final { public: - explicit NVFlinger(Core::System& system_); + explicit NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_driver_server_); ~NVFlinger(); /// Sets the NVDrv module instance to use to send buffers to the GPU. @@ -72,9 +74,6 @@ public: /// If an invalid display ID is provided, then nullptr is returned. [[nodiscard]] Kernel::KReadableEvent* FindVsyncEvent(u64 display_id); - /// Obtains a buffer queue identified by the ID. - [[nodiscard]] BufferQueue* FindBufferQueue(u32 id); - /// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when /// finished. void Compose(); @@ -82,6 +81,12 @@ public: [[nodiscard]] s64 GetNextTicks() const; private: + struct Layer { + std::unique_ptr<android::BufferQueueCore> core; + std::unique_ptr<android::BufferQueueProducer> producer; + }; + +private: [[nodiscard]] std::unique_lock<std::mutex> Lock() const { return std::unique_lock{*guard}; } @@ -111,7 +116,6 @@ private: std::shared_ptr<Nvidia::Module> nvdrv; std::list<VI::Display> displays; - std::vector<std::unique_ptr<BufferQueue>> buffer_queues; /// Id to use for the next layer that is created, this counter is shared among all displays. u64 next_layer_id = 1; @@ -131,6 +135,8 @@ private: std::jthread vsync_thread; KernelHelpers::ServiceContext service_context; + + HosBinderDriverServer& hos_binder_driver_server; }; } // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/parcel.h b/src/core/hle/service/nvflinger/parcel.h new file mode 100644 index 000000000..aa36e6479 --- /dev/null +++ b/src/core/hle/service/nvflinger/parcel.h @@ -0,0 +1,172 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#pragma once + +#include <memory> +#include <vector> + +#include "common/alignment.h" +#include "common/assert.h" +#include "common/common_types.h" + +namespace Service::android { + +class Parcel final { +public: + static constexpr std::size_t DefaultBufferSize = 0x40; + + Parcel() : buffer(DefaultBufferSize) {} + + template <typename T> + explicit Parcel(const T& out_data) : buffer(DefaultBufferSize) { + Write(out_data); + } + + explicit Parcel(std::vector<u8> in_data) : buffer(std::move(in_data)) { + DeserializeHeader(); + [[maybe_unused]] const std::u16string token = ReadInterfaceToken(); + } + + template <typename T> + void Read(T& val) { + static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); + ASSERT(read_index + sizeof(T) <= buffer.size()); + + std::memcpy(&val, buffer.data() + read_index, sizeof(T)); + read_index += sizeof(T); + read_index = Common::AlignUp(read_index, 4); + } + + template <typename T> + T Read() { + T val; + Read(val); + return val; + } + + template <typename T> + void ReadFlattened(T& val) { + const auto flattened_size = Read<s64>(); + ASSERT(sizeof(T) == flattened_size); + Read(val); + } + + template <typename T> + T ReadFlattened() { + T val; + ReadFlattened(val); + return val; + } + + template <typename T> + T ReadUnaligned() { + static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); + ASSERT(read_index + sizeof(T) <= buffer.size()); + + T val; + std::memcpy(&val, buffer.data() + read_index, sizeof(T)); + read_index += sizeof(T); + return val; + } + + template <typename T> + const std::shared_ptr<T> ReadObject() { + static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); + + const auto is_valid{Read<bool>()}; + + if (is_valid) { + auto result = std::make_shared<T>(); + ReadFlattened(*result); + return result; + } + + return {}; + } + + std::u16string ReadInterfaceToken() { + [[maybe_unused]] const u32 unknown = Read<u32>(); + const u32 length = Read<u32>(); + + std::u16string token; + token.reserve(length + 1); + + for (u32 ch = 0; ch < length + 1; ++ch) { + token.push_back(ReadUnaligned<u16>()); + } + + read_index = Common::AlignUp(read_index, 4); + + return token; + } + + template <typename T> + void Write(const T& val) { + static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); + + if (buffer.size() < write_index + sizeof(T)) { + buffer.resize(buffer.size() + sizeof(T) + DefaultBufferSize); + } + + std::memcpy(buffer.data() + write_index, &val, sizeof(T)); + write_index += sizeof(T); + write_index = Common::AlignUp(write_index, 4); + } + + template <typename T> + void WriteObject(const T* ptr) { + static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); + + if (!ptr) { + Write<u32>(0); + return; + } + + Write<u32>(1); + Write<s64>(sizeof(T)); + Write(*ptr); + } + + template <typename T> + void WriteObject(const std::shared_ptr<T> ptr) { + WriteObject(ptr.get()); + } + + void DeserializeHeader() { + ASSERT(buffer.size() > sizeof(Header)); + + Header header{}; + std::memcpy(&header, buffer.data(), sizeof(Header)); + + read_index = header.data_offset; + } + + std::vector<u8> Serialize() const { + ASSERT(read_index == 0); + + Header header{}; + header.data_size = static_cast<u32>(write_index - sizeof(Header)); + header.data_offset = sizeof(Header); + header.objects_size = 4; + header.objects_offset = static_cast<u32>(sizeof(Header) + header.data_size); + std::memcpy(buffer.data(), &header, sizeof(Header)); + + return buffer; + } + +private: + struct Header { + u32 data_size; + u32 data_offset; + u32 objects_size; + u32 objects_offset; + }; + static_assert(sizeof(Header) == 16, "ParcelHeader has wrong size"); + + mutable std::vector<u8> buffer; + std::size_t read_index = 0; + std::size_t write_index = sizeof(Header); +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/pixel_format.h b/src/core/hle/service/nvflinger/pixel_format.h new file mode 100644 index 000000000..8a77d8bea --- /dev/null +++ b/src/core/hle/service/nvflinger/pixel_format.h @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#pragma once + +#include "common/common_types.h" + +namespace Service::android { + +enum class PixelFormat : u32 { + NoFormat = 0, + Rgba8888 = 1, + Rgbx8888 = 2, + Rgb888 = 3, + Rgb565 = 4, + Bgra8888 = 5, + Rgba5551 = 6, + Rgba4444 = 7, +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/producer_listener.h b/src/core/hle/service/nvflinger/producer_listener.h new file mode 100644 index 000000000..468e06431 --- /dev/null +++ b/src/core/hle/service/nvflinger/producer_listener.h @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2014 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/gui/IProducerListener.h + +#pragma once + +namespace Service::android { + +class IProducerListener { +public: + virtual void OnBufferReleased() = 0; +}; + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/status.h b/src/core/hle/service/nvflinger/status.h new file mode 100644 index 000000000..a003eda89 --- /dev/null +++ b/src/core/hle/service/nvflinger/status.h @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#pragma once + +#include "common/common_funcs.h" +#include "common/common_types.h" + +namespace Service::android { + +enum class Status : s32 { + None = 0, + NoError = 0, + StaleBufferSlot = 1, + NoBufferAvailable = 2, + PresentLater = 3, + WouldBlock = -11, + NoMemory = -12, + Busy = -16, + NoInit = -19, + BadValue = -22, + InvalidOperation = -37, + BufferNeedsReallocation = 1, + ReleaseAllBuffers = 2, +}; +DECLARE_ENUM_FLAG_OPERATORS(Status); + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/ui/fence.h b/src/core/hle/service/nvflinger/ui/fence.h new file mode 100644 index 000000000..4a74e26a3 --- /dev/null +++ b/src/core/hle/service/nvflinger/ui/fence.h @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2012 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/ui/Fence.h + +#pragma once + +#include <array> + +#include "common/common_types.h" +#include "core/hle/service/nvdrv/nvdata.h" + +namespace Service::android { + +class Fence { +public: + constexpr Fence() = default; + + static constexpr Fence NoFence() { + Fence fence; + fence.fences[0].id = -1; + return fence; + } + +public: + u32 num_fences{}; + std::array<Service::Nvidia::NvFence, 4> fences{}; +}; +static_assert(sizeof(Fence) == 36, "Fence has wrong size"); + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/ui/graphic_buffer.h b/src/core/hle/service/nvflinger/ui/graphic_buffer.h new file mode 100644 index 000000000..7abbf78ba --- /dev/null +++ b/src/core/hle/service/nvflinger/ui/graphic_buffer.h @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project +// Copyright 2007 The Android Open Source Project +// Parts of this implementation were base on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/include/ui/GraphicBuffer.h + +#pragma once + +#include "common/common_funcs.h" +#include "common/common_types.h" +#include "core/hle/service/nvflinger/pixel_format.h" + +namespace Service::android { + +class GraphicBuffer final { +public: + constexpr GraphicBuffer() = default; + + constexpr GraphicBuffer(u32 width_, u32 height_, PixelFormat format_, u32 usage_) + : width{static_cast<s32>(width_)}, height{static_cast<s32>(height_)}, format{format_}, + usage{static_cast<s32>(usage_)} {} + + constexpr u32 Width() const { + return static_cast<u32>(width); + } + + constexpr u32 Height() const { + return static_cast<u32>(height); + } + + constexpr u32 Stride() const { + return static_cast<u32>(stride); + } + + constexpr u32 Usage() const { + return static_cast<u32>(usage); + } + + constexpr PixelFormat Format() const { + return format; + } + + constexpr u32 BufferId() const { + return buffer_id; + } + + constexpr PixelFormat ExternalFormat() const { + return external_format; + } + + constexpr u32 Handle() const { + return handle; + } + + constexpr u32 Offset() const { + return offset; + } + + constexpr bool NeedsReallocation(u32 width_, u32 height_, PixelFormat format_, + u32 usage_) const { + if (static_cast<s32>(width_) != width) { + return true; + } + + if (static_cast<s32>(height_) != height) { + return true; + } + + if (format_ != format) { + return true; + } + + if ((static_cast<u32>(usage) & usage_) != usage_) { + return true; + } + + return false; + } + +private: + u32 magic{}; + s32 width{}; + s32 height{}; + s32 stride{}; + PixelFormat format{}; + s32 usage{}; + INSERT_PADDING_WORDS(1); + u32 index{}; + INSERT_PADDING_WORDS(3); + u32 buffer_id{}; + INSERT_PADDING_WORDS(6); + PixelFormat external_format{}; + INSERT_PADDING_WORDS(10); + u32 handle{}; + u32 offset{}; + INSERT_PADDING_WORDS(60); +}; +static_assert(sizeof(GraphicBuffer) == 0x16C, "GraphicBuffer has wrong size"); + +} // namespace Service::android diff --git a/src/core/hle/service/nvflinger/window.h b/src/core/hle/service/nvflinger/window.h new file mode 100644 index 000000000..e26f8160e --- /dev/null +++ b/src/core/hle/service/nvflinger/window.h @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +// Copyright 2021 yuzu Emulator Project + +#pragma once + +#include "common/common_funcs.h" +#include "common/common_types.h" + +namespace Service::android { + +/// Attributes queryable with Query +enum class NativeWindow : s32 { + Width = 0, + Height = 1, + Format = 2, + MinUndequeedBuffers = 3, + QueuesToWindowComposer = 4, + ConcreteType = 5, + DefaultWidth = 6, + DefaultHeight = 7, + TransformHint = 8, + ConsumerRunningBehind = 9, + ConsumerUsageBits = 10, + StickyTransform = 11, + DefaultDataSpace = 12, + BufferAge = 13, +}; + +/// Parameter for Connect/Disconnect +enum class NativeWindowApi : s32 { + NoConnectedApi = 0, + Egl = 1, + Cpu = 2, + Media = 3, + Camera = 4, +}; + +/// Scaling mode parameter for QueueBuffer +enum class NativeWindowScalingMode : s32 { + Freeze = 0, + ScaleToWindow = 1, + ScaleCrop = 2, + NoScaleCrop = 3, +}; + +/// Transform parameter for QueueBuffer +enum class NativeWindowTransform : u32 { + None = 0x0, + InverseDisplay = 0x08, +}; +DECLARE_ENUM_FLAG_OPERATORS(NativeWindowTransform); + +} // namespace Service::android |