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c/multi: Clarify code around xrt_comp_layer_begin call

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Jakob Bornecrantz 2022-11-20 20:39:38 +00:00
parent 840febfb57
commit 4a8448fcc3
1 changed files with 6 additions and 1 deletions
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7
src/xrt/compositor/multi/comp_multi_system.c
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@ -490,7 +490,12 @@ multi_main_loop(struct multi_system_compositor *msc)
broadcast_timings_to_pacers(msc, predicted_display_time_ns, predicted_display_period_ns, diff_ns);
xrt_comp_begin_frame(xc, frame_id);
xrt_comp_layer_begin(xc, frame_id, 0, 0);
//! @todo Pick the blend mode from primary client.
enum xrt_blend_mode blend_mode = XRT_BLEND_MODE_OPAQUE;
//! @todo Pick a good display time.
uint64_t display_time_ns = 0;
xrt_comp_layer_begin(xc, frame_id, display_time_ns, blend_mode);
// Make sure that the clients doesn't go away while we transfer layers.
os_mutex_lock(&msc->list_and_timing_lock);