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hle: nvflinger: Add implementation for ConsumerBase class.

This commit is contained in:
bunnei 2021-11-11 18:43:30 -08:00
parent d25cb12bff
commit 79e8cdf595
3 changed files with 190 additions and 0 deletions

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@ -542,6 +542,8 @@ add_library(core STATIC
hle/service/nvflinger/buffer_queue_defs.h
hle/service/nvflinger/buffer_slot.h
hle/service/nvflinger/buffer_transform_flags.h
hle/service/nvflinger/consumer_base.cpp
hle/service/nvflinger/consumer_base.h
hle/service/nvflinger/consumer_listener.h
hle/service/nvflinger/nvflinger.cpp
hle/service/nvflinger/nvflinger.h

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@ -0,0 +1,129 @@
// 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 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, u64 present_when_ns,
u64 max_frame_number) {
if (is_abandoned) {
LOG_ERROR(Service_NVFlinger, "consumer is abandoned!");
return Status::NoInit;
}
Status err = consumer->AcquireBuffer(item, present_when_ns, 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) {
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 android

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@ -0,0 +1,59 @@
// 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 <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 android {
class BufferItem;
class BufferQueueConsumer;
class ConsumerBase : public IConsumerListener, public std::enable_shared_from_this<ConsumerBase> {
public:
void Connect(bool controlled_by_app);
protected:
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, u64 present_when_ns, 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);
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 android