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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvflinger/buffer_queue_producer.h | 83 |
1 files changed, 83 insertions, 0 deletions
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 |