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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: Copyright 2014 The Android Open Source Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Parts of this implementation were based 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/nvnflinger/binder.h"
#include "core/hle/service/nvnflinger/buffer_queue_defs.h"
#include "core/hle/service/nvnflinger/buffer_slot.h"
#include "core/hle/service/nvnflinger/graphic_buffer_producer.h"
#include "core/hle/service/nvnflinger/pixel_format.h"
#include "core/hle/service/nvnflinger/status.h"
#include "core/hle/service/nvnflinger/window.h"
namespace Kernel {
class KernelCore;
class KEvent;
class KReadableEvent;
} // namespace Kernel
namespace Service::KernelHelpers {
class ServiceContext;
} // namespace Service::KernelHelpers
namespace Service::Nvidia::NvCore {
class NvMap;
} // namespace Service::Nvidia::NvCore
namespace Service::android {
class BufferQueueCore;
class IProducerListener;
struct NvGraphicBuffer;
class BufferQueueProducer final : public IBinder {
public:
explicit BufferQueueProducer(Service::KernelHelpers::ServiceContext& service_context_,
std::shared_ptr<BufferQueueCore> buffer_queue_core_,
Service::Nvidia::NvCore::NvMap& nvmap_);
~BufferQueueProducer() override;
void Transact(u32 code, std::span<const u8> parcel_data, std::span<u8> parcel_reply,
u32 flags) override;
Kernel::KReadableEvent* GetNativeHandle(u32 type_id) 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<NvGraphicBuffer>& buffer);
private:
BufferQueueProducer(const BufferQueueProducer&) = delete;
Status WaitForFreeSlotThenRelock(bool async, s32* found, Status* return_flags,
std::unique_lock<std::mutex>& lk) 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_any callback_condition;
Service::Nvidia::NvCore::NvMap& nvmap;
};
} // namespace Service::android
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