The open source OpenXR runtime
c/null: Show using get_view_poses
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2342>
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src/xrt/compositor/null/null_compositor.c
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src/xrt/compositor/null/null_compositor.c
···
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#include "util/comp_vulkan.h"
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#include "multi/comp_multi_interface.h"
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#include "xrt/xrt_device.h"
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#include <stdint.h>
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/*
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*
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* Vulkan functions.
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* Vulkan extensions.
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*
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*/
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···
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NULL_TRACE(c, "LAYER_COMMIT");
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int64_t frame_id = c->base.layer_accum.data.frame_id;
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int64_t display_time_ns = c->base.layer_accum.layers[0].data.timestamp;
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// Default value from monado, overridden by HMD device where possible.
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struct xrt_vec3 default_eye_relation = {0.063f, 0.f, 0.f};
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struct xrt_space_relation head_relation = {0};
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struct xrt_fov fovs[2] = {0};
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struct xrt_pose poses[2] = {0};
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xrt_device_get_view_poses(c->xdev, &default_eye_relation, display_time_ns, 2, &head_relation, fovs, poses);
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/*
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* The null compositor doesn't render any frames, but needs to do