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Implement Physical Light Units as an optional setting.

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This allows light sources to be specified in physical light units in addition to the regular energy multiplier. In order to avoid loss of precision at high values, brightness values are premultiplied by an exposure normalization value.

In support of Physical Light Units this PR also renames CameraEffects to CameraAttributes.
This commit is contained in:
clayjohn
2022-07-31 16:20:24 -07:00
parent 736632ee7e
commit 385ee5c70b
131 changed files with 2692 additions and 1283 deletions
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21
editor/plugins/node_3d_editor_plugin.cpp
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@@ -2375,12 +2375,12 @@ void Node3DEditorPlugin::edited_scene_changed() {
void Node3DEditorViewport::_project_settings_changed() {
//update shadow atlas if changed
int shadowmap_size = ProjectSettings::get_singleton()->get("rendering/shadows/positional_shadow/atlas_size");
bool shadowmap_16_bits = ProjectSettings::get_singleton()->get("rendering/shadows/positional_shadow/atlas_16_bits");
int atlas_q0 = ProjectSettings::get_singleton()->get("rendering/shadows/positional_shadow/atlas_quadrant_0_subdiv");
int atlas_q1 = ProjectSettings::get_singleton()->get("rendering/shadows/positional_shadow/atlas_quadrant_1_subdiv");
int atlas_q2 = ProjectSettings::get_singleton()->get("rendering/shadows/positional_shadow/atlas_quadrant_2_subdiv");
int atlas_q3 = ProjectSettings::get_singleton()->get("rendering/shadows/positional_shadow/atlas_quadrant_3_subdiv");
int shadowmap_size = ProjectSettings::get_singleton()->get("rendering/lights_and_shadows/positional_shadow/atlas_size");
bool shadowmap_16_bits = ProjectSettings::get_singleton()->get("rendering/lights_and_shadows/positional_shadow/atlas_16_bits");
int atlas_q0 = ProjectSettings::get_singleton()->get("rendering/lights_and_shadows/positional_shadow/atlas_quadrant_0_subdiv");
int atlas_q1 = ProjectSettings::get_singleton()->get("rendering/lights_and_shadows/positional_shadow/atlas_quadrant_1_subdiv");
int atlas_q2 = ProjectSettings::get_singleton()->get("rendering/lights_and_shadows/positional_shadow/atlas_quadrant_2_subdiv");
int atlas_q3 = ProjectSettings::get_singleton()->get("rendering/lights_and_shadows/positional_shadow/atlas_quadrant_3_subdiv");
viewport->set_positional_shadow_atlas_size(shadowmap_size);
viewport->set_positional_shadow_atlas_16_bits(shadowmap_16_bits);
@@ -7122,6 +7122,9 @@ void Node3DEditor::_add_environment_to_scene(bool p_already_added_sun) {
WorldEnvironment *new_env = memnew(WorldEnvironment);
new_env->set_environment(preview_environment->get_environment()->duplicate(true));
if (GLOBAL_GET("rendering/lights_and_shadows/use_physical_light_units")) {
new_env->set_camera_attributes(preview_environment->get_camera_attributes()->duplicate(true));
}
undo_redo->create_action(TTR("Add Preview Environment to Scene"));
undo_redo->add_do_method(base, "add_child", new_env, true);
@@ -7588,7 +7591,7 @@ void Node3DEditor::_preview_settings_changed() {
}
{ //preview env
sky_material->set_sky_energy(environ_energy->get_value());
sky_material->set_sky_energy_multiplier(environ_energy->get_value());
Color hz_color = environ_sky_color->get_pick_color().lerp(environ_ground_color->get_pick_color(), 0.5).lerp(Color(1, 1, 1), 0.5);
sky_material->set_sky_top_color(environ_sky_color->get_pick_color());
sky_material->set_sky_horizon_color(hz_color);
@@ -8308,6 +8311,10 @@ void fragment() {
preview_environment = memnew(WorldEnvironment);
environment.instantiate();
preview_environment->set_environment(environment);
if (GLOBAL_GET("rendering/lights_and_shadows/use_physical_light_units")) {
camera_attributes.instantiate();
preview_environment->set_camera_attributes(camera_attributes);
}
Ref<Sky> sky;
sky.instantiate();
sky_material.instantiate();