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| author | clayjohn <claynjohn@gmail.com> | 2024-05-23 11:29:45 -0700 |
|---|---|---|
| committer | clayjohn <claynjohn@gmail.com> | 2024-09-11 14:17:09 -0700 |
| commit | 7ff106f828da690c51f0a8cc89c04b15587a3a43 (patch) | |
| tree | afe64ba79a499598009a48c570c95e45ccff30d7 /drivers/gles3/rasterizer_scene_gles3.cpp | |
| parent | 14a7e0abb313915fc5e4f36b34f9169b1d45774c (diff) | |
| download | redot-engine-7ff106f828da690c51f0a8cc89c04b15587a3a43.tar.gz | |
Use distance to AABB surface to calculate Mesh LOD instead of using supports
Diffstat (limited to 'drivers/gles3/rasterizer_scene_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_scene_gles3.cpp | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp index 8b6d3e3268..39aad6bfbf 100644 --- a/drivers/gles3/rasterizer_scene_gles3.cpp +++ b/drivers/gles3/rasterizer_scene_gles3.cpp @@ -1363,38 +1363,25 @@ void RasterizerSceneGLES3::_fill_render_list(RenderListType p_render_list, const GeometryInstanceSurface *surf = inst->surface_caches; + float lod_distance = 0.0; + + if (p_render_data->cam_orthogonal) { + lod_distance = 1.0; + } else { + Vector3 aabb_min = inst->transformed_aabb.position; + Vector3 aabb_max = inst->transformed_aabb.position + inst->transformed_aabb.size; + Vector3 camera_position = p_render_data->main_cam_transform.origin; + Vector3 surface_distance = Vector3(0.0, 0.0, 0.0).max(aabb_min - camera_position).max(camera_position - aabb_max); + + lod_distance = surface_distance.length(); + } + while (surf) { // LOD if (p_render_data->screen_mesh_lod_threshold > 0.0 && mesh_storage->mesh_surface_has_lod(surf->surface)) { - float distance = 0.0; - - // Check if camera is NOT inside the mesh AABB. - if (!inst->transformed_aabb.has_point(p_render_data->main_cam_transform.origin)) { - // Get the LOD support points on the mesh AABB. - Vector3 lod_support_min = inst->transformed_aabb.get_support(p_render_data->main_cam_transform.basis.get_column(Vector3::AXIS_Z)); - Vector3 lod_support_max = inst->transformed_aabb.get_support(-p_render_data->main_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->main_cam_transform.origin.distance_to(lod_support_min); - float distance_max = (float)p_render_data->main_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->cam_orthogonal) { - distance = 1.0; - } - uint32_t indices = 0; - surf->lod_index = mesh_storage->mesh_surface_get_lod(surf->surface, inst->lod_model_scale * inst->lod_bias, distance * p_render_data->lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, indices); + surf->lod_index = mesh_storage->mesh_surface_get_lod(surf->surface, inst->lod_model_scale * inst->lod_bias, lod_distance * p_render_data->lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, indices); surf->index_count = indices; if (p_render_data->render_info) { |