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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvnflinger/fb_share_buffer_manager.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/core/hle/service/nvnflinger/fb_share_buffer_manager.h b/src/core/hle/service/nvnflinger/fb_share_buffer_manager.h new file mode 100644 index 000000000..c809c01b4 --- /dev/null +++ b/src/core/hle/service/nvnflinger/fb_share_buffer_manager.h @@ -0,0 +1,65 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "common/math_util.h" +#include "core/hle/service/nvnflinger/nvnflinger.h" +#include "core/hle/service/nvnflinger/ui/fence.h" + +namespace Kernel { +class KPageGroup; +} + +namespace Service::Nvnflinger { + +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"); + +class FbShareBufferManager final { +public: + explicit FbShareBufferManager(Core::System& system, Nvnflinger& flinger, + std::shared_ptr<Nvidia::Module> nvdrv); + ~FbShareBufferManager(); + + Result Initialize(u64* out_buffer_id, u64* out_layer_handle, u64 display_id); + 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 GetSharedFrameBufferAcquirableEvent(Kernel::KReadableEvent** out_event, u64 layer_id); + +private: + Result GetLayerFromId(VI::Layer** out_layer, u64 layer_id); + +private: + u64 m_next_buffer_id = 1; + u64 m_display_id = 0; + u64 m_buffer_id = 0; + u64 m_layer_id = 0; + u32 m_buffer_nvmap_handle = 0; + SharedMemoryPoolLayout m_pool_layout = {}; + + std::unique_ptr<Kernel::KPageGroup> m_buffer_page_group; + + std::mutex m_guard; + Core::System& m_system; + Nvnflinger& m_flinger; + std::shared_ptr<Nvidia::Module> m_nvdrv; +}; + +} // namespace Service::Nvnflinger |