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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <map>
#include "common/math_util.h"
#include "core/hle/service/nvdrv/core/container.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvnflinger/nvnflinger.h"
#include "core/hle/service/nvnflinger/ui/fence.h"
namespace Kernel {
class KPageGroup;
class KReadableEvent;
} // namespace Kernel
namespace Service::android {
class BufferQueueProducer;
}
namespace Service::Nvidia {
class Module;
}
union Result;
namespace Service::VI {
class Container;
struct SharedMemorySlot {
u64 buffer_offset;
u64 size;
s32 width;
s32 height;
};
static_assert(sizeof(SharedMemorySlot) == 0x18, "SharedMemorySlot has wrong size");
struct SharedMemoryPoolLayout {
s32 num_slots;
std::array<SharedMemorySlot, 0x10> slots;
};
static_assert(sizeof(SharedMemoryPoolLayout) == 0x188, "SharedMemoryPoolLayout has wrong size");
struct SharedBufferSession;
class SharedBufferManager final {
public:
explicit SharedBufferManager(Core::System& system, Container& container,
std::shared_ptr<Nvidia::Module> nvdrv);
~SharedBufferManager();
Result CreateSession(Kernel::KProcess* owner_process, u64* out_buffer_id, u64* out_layer_handle,
u64 display_id, bool enable_blending);
void DestroySession(Kernel::KProcess* owner_process);
Result GetSharedBufferMemoryHandleId(u64* out_buffer_size, s32* out_nvmap_handle,
SharedMemoryPoolLayout* out_pool_layout, u64 buffer_id,
u64 applet_resource_user_id);
Result AcquireSharedFrameBuffer(android::Fence* out_fence, std::array<s32, 4>& out_slots,
s64* out_target_slot, u64 layer_id);
Result PresentSharedFrameBuffer(android::Fence fence, Common::Rectangle<s32> crop_region,
u32 transform, s32 swap_interval, u64 layer_id, s64 slot);
Result CancelSharedFrameBuffer(u64 layer_id, s64 slot);
Result GetSharedFrameBufferAcquirableEvent(Kernel::KReadableEvent** out_event, u64 layer_id);
Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_layer_index);
private:
u64 m_next_buffer_id = 1;
u64 m_display_id = 0;
u64 m_buffer_id = 0;
SharedMemoryPoolLayout m_pool_layout = {};
std::map<u64, SharedBufferSession> m_sessions;
std::unique_ptr<Kernel::KPageGroup> m_buffer_page_group;
std::mutex m_guard;
Core::System& m_system;
Container& m_container;
const std::shared_ptr<Nvidia::Module> m_nvdrv;
};
struct SharedBufferSession {
Nvidia::DeviceFD nvmap_fd = {};
Nvidia::NvCore::SessionId session_id = {};
u64 layer_id = {};
u32 buffer_nvmap_handle = 0;
};
} // namespace Service::VI
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