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Only apply LOD when camera is outside the AABB of mesh in mobile renderer.

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This copies the existing logic from the Forward+ renderer
This commit is contained in:
clayjohn 2024-05-21 18:32:04 -07:00
parent 40b4130c93
commit c5346a62b0
1 changed files with 18 additions and 16 deletions
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34
servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
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@ -1879,25 +1879,27 @@ void RenderForwardMobile::_fill_render_list(RenderListType p_render_list, const
// LOD
if (p_render_data->scene_data->screen_mesh_lod_threshold > 0.0 && mesh_storage->mesh_surface_has_lod(surf->surface)) {
// Get the LOD support points on the mesh AABB.
Vector3 lod_support_min = inst->transformed_aabb.get_support(p_render_data->scene_data->cam_transform.basis.get_column(Vector3::AXIS_Z));
Vector3 lod_support_max = inst->transformed_aabb.get_support(-p_render_data->scene_data->cam_transform.basis.get_column(Vector3::AXIS_Z));
// Get the distances to those points on the AABB from the camera origin.
float distance_min = (float)p_render_data->scene_data->cam_transform.origin.distance_to(lod_support_min);
float distance_max = (float)p_render_data->scene_data->cam_transform.origin.distance_to(lod_support_max);
float distance = 0.0;
if (distance_min * distance_max < 0.0) {
//crossing plane
distance = 0.0;
} else if (distance_min >= 0.0) {
distance = distance_min;
} else if (distance_max <= 0.0) {
distance = -distance_max;
}
// Check if camera is NOT inside the mesh AABB.
if (!inst->transformed_aabb.has_point(p_render_data->scene_data->cam_transform.origin)) {
// Get the LOD support points on the mesh AABB.
Vector3 lod_support_min = inst->transformed_aabb.get_support(p_render_data->scene_data->cam_transform.basis.get_column(Vector3::AXIS_Z));
Vector3 lod_support_max = inst->transformed_aabb.get_support(-p_render_data->scene_data->cam_transform.basis.get_column(Vector3::AXIS_Z));
// Get the distances to those points on the AABB from the camera origin.
float distance_min = (float)p_render_data->scene_data->cam_transform.origin.distance_to(lod_support_min);
float distance_max = (float)p_render_data->scene_data->cam_transform.origin.distance_to(lod_support_max);
if (distance_min * distance_max < 0.0) {
//crossing plane
distance = 0.0;
} else if (distance_min >= 0.0) {
distance = distance_min;
} else if (distance_max <= 0.0) {
distance = -distance_max;
}
}
if (p_render_data->scene_data->cam_orthogonal) {
distance = 1.0;
}