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Fix LOD selection in compatibility backend and clean up LOD code

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clayjohn
2024-05-23 10:47:01 -07:00
parent 8e2141eac5
commit 267ea14616
6 changed files with 51 additions and 55 deletions
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42
drivers/gles3/rasterizer_scene_gles3.cpp
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@@ -1359,23 +1359,26 @@ void RasterizerSceneGLES3::_fill_render_list(RenderListType p_render_list, const
// LOD
if (p_render_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->cam_transform.basis.get_column(Vector3::AXIS_Z));
Vector3 lod_support_max = inst->transformed_aabb.get_support(-p_render_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->cam_transform.origin.distance_to(lod_support_min);
float distance_max = (float)p_render_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->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) {
@@ -1985,7 +1988,6 @@ void RasterizerSceneGLES3::_render_shadows(const RenderDataGLES3 *p_render_data,
LocalVector<int> shadows;
LocalVector<int> directional_shadows;
Plane camera_plane(-p_render_data->cam_transform.basis.get_column(Vector3::AXIS_Z), p_render_data->cam_transform.origin);
float lod_distance_multiplier = p_render_data->cam_projection.get_lod_multiplier();
// Put lights into buckets for omni (cube shadows), directional, and spot.
@@ -2014,20 +2016,20 @@ void RasterizerSceneGLES3::_render_shadows(const RenderDataGLES3 *p_render_data,
// Render cubemap shadows.
for (const int &index : cube_shadows) {
_render_shadow_pass(p_render_data->render_shadows[index].light, p_render_data->shadow_atlas, p_render_data->render_shadows[index].pass, p_render_data->render_shadows[index].instances, camera_plane, lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, p_render_data->render_info, p_viewport_size, p_render_data->cam_transform);
_render_shadow_pass(p_render_data->render_shadows[index].light, p_render_data->shadow_atlas, p_render_data->render_shadows[index].pass, p_render_data->render_shadows[index].instances, lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, p_render_data->render_info, p_viewport_size, p_render_data->cam_transform);
}
// Render directional shadows.
for (uint32_t i = 0; i < directional_shadows.size(); i++) {
_render_shadow_pass(p_render_data->render_shadows[directional_shadows[i]].light, p_render_data->shadow_atlas, p_render_data->render_shadows[directional_shadows[i]].pass, p_render_data->render_shadows[directional_shadows[i]].instances, camera_plane, lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, p_render_data->render_info, p_viewport_size, p_render_data->cam_transform);
_render_shadow_pass(p_render_data->render_shadows[directional_shadows[i]].light, p_render_data->shadow_atlas, p_render_data->render_shadows[directional_shadows[i]].pass, p_render_data->render_shadows[directional_shadows[i]].instances, lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, p_render_data->render_info, p_viewport_size, p_render_data->cam_transform);
}
// Render positional shadows (Spotlight and Omnilight with dual-paraboloid).
for (uint32_t i = 0; i < shadows.size(); i++) {
_render_shadow_pass(p_render_data->render_shadows[shadows[i]].light, p_render_data->shadow_atlas, p_render_data->render_shadows[shadows[i]].pass, p_render_data->render_shadows[shadows[i]].instances, camera_plane, lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, p_render_data->render_info, p_viewport_size, p_render_data->cam_transform);
_render_shadow_pass(p_render_data->render_shadows[shadows[i]].light, p_render_data->shadow_atlas, p_render_data->render_shadows[shadows[i]].pass, p_render_data->render_shadows[shadows[i]].instances, lod_distance_multiplier, p_render_data->screen_mesh_lod_threshold, p_render_data->render_info, p_viewport_size, p_render_data->cam_transform);
}
}
}
void RasterizerSceneGLES3::_render_shadow_pass(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<RenderGeometryInstance *> &p_instances, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, RenderingMethod::RenderInfo *p_render_info, const Size2i &p_viewport_size, const Transform3D &p_main_cam_transform) {
void RasterizerSceneGLES3::_render_shadow_pass(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<RenderGeometryInstance *> &p_instances, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, RenderingMethod::RenderInfo *p_render_info, const Size2i &p_viewport_size, const Transform3D &p_main_cam_transform) {
GLES3::LightStorage *light_storage = GLES3::LightStorage::get_singleton();
ERR_FAIL_COND(!light_storage->owns_light_instance(p_light));