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XR: Allow locking the camera to the XROrigin3D for benchmarking or automated testing

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This commit is contained in:
David Snopek
2024-11-12 14:36:58 -06:00
parent 0f5f3bc954
commit d6a4fe6c05
4 changed files with 26 additions and 1 deletions
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12
servers/rendering/renderer_scene_cull.cpp
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@@ -2773,6 +2773,8 @@ void RendererSceneCull::render_camera(const Ref<RenderSceneBuffers> &p_render_bu
camera_data.set_camera(transform, projection, is_orthogonal, is_frustum, vaspect, jitter, taa_frame_count, camera->visible_layers);
} else {
XRServer *xr_server = XRServer::get_singleton();
// Setup our camera for our XR interface.
// We can support multiple views here each with their own camera
Transform3D transforms[RendererSceneRender::MAX_RENDER_VIEWS];
@@ -2783,7 +2785,7 @@ void RendererSceneCull::render_camera(const Ref<RenderSceneBuffers> &p_render_bu
float aspect = p_viewport_size.width / (float)p_viewport_size.height;
Transform3D world_origin = XRServer::get_singleton()->get_world_origin();
Transform3D world_origin = xr_server->get_world_origin();
// We ignore our camera position, it will have been positioned with a slightly old tracking position.
// Instead we take our origin point and have our XR interface add fresh tracking data! Whoohoo!
@@ -2792,6 +2794,14 @@ void RendererSceneCull::render_camera(const Ref<RenderSceneBuffers> &p_render_bu
projections[v] = p_xr_interface->get_projection_for_view(v, aspect, camera->znear, camera->zfar);
}
// If requested, we move the views to be rendered as if the HMD is at the XROrigin.
if (unlikely(xr_server->is_camera_locked_to_origin())) {
Transform3D camera_reset = p_xr_interface->get_camera_transform().affine_inverse() * xr_server->get_reference_frame().affine_inverse();
for (uint32_t v = 0; v < view_count; v++) {
transforms[v] *= camera_reset;
}
}
if (view_count == 1) {
camera_data.set_camera(transforms[0], projections[0], false, false, camera->vaspect, jitter, p_jitter_phase_count, camera->visible_layers);
} else if (view_count == 2) {