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29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
%% Copyright 2024, Collabora, Ltd. and the Monado contributors
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%% SPDX-License-Identifier: BSL-1.0
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%% Out of process, with a "xina" in the IPC client (currently only android with AHB)
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sequenceDiagram
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box Client Process
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participant app
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participant cc as client compositor
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participant client_native as client process<br/>native compositor<br>(IPC Stub)
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participant xina as xrt_image_native_allocator
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end
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box Server Process
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participant server_ipc_handler as Server IPC handler
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participant server_comp as Server xrt_compositor_native
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end
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app->>+cc: xrCreateSwapchain
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cc->>+client_native: xrt_comp_create_swapchain
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client_native->>+xina: create native images
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xina->>-client_native: collection of<br/>native image handles
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client_native->>+server_ipc_handler: swapchain_import<br/>(IPC call, passing handles)
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server_ipc_handler->>+server_comp: xrt_comp_import_swapchain
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server_comp->>-server_ipc_handler: xrt_swapchain impl
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server_ipc_handler->>-client_native: swapchain ID<br/>(over IPC)
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client_native->>-cc: return ipc_swapchain<br>(handles allocated in client process)<br>as inner xrt_swapchain
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Note over cc: Keep reference to inner xrt_swapchain in<br>the object we create
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Note over cc: Import handles from<br/>inner xrt_swapchain into client API
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cc->>-app: return swapchain
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