diff options
Diffstat (limited to 'servers/rendering/rendering_server_scene.cpp')
| -rw-r--r-- | servers/rendering/rendering_server_scene.cpp | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/servers/rendering/rendering_server_scene.cpp b/servers/rendering/rendering_server_scene.cpp index 4f40012c98..d66708587a 100644 --- a/servers/rendering/rendering_server_scene.cpp +++ b/servers/rendering/rendering_server_scene.cpp @@ -1499,7 +1499,9 @@ bool RenderingServerScene::_light_instance_update_shadow(Instance *p_instance, c if (j == 0 || d_z > z_max) z_max = d_z; } + real_t radius = 0; + real_t soft_shadow_expand = 0; Vector3 center; { @@ -1528,12 +1530,30 @@ bool RenderingServerScene::_light_instance_update_shadow(Instance *p_instance, c bias_scale = radius / first_radius; } - x_max_cam = x_vec.dot(center) + radius; - x_min_cam = x_vec.dot(center) - radius; - y_max_cam = y_vec.dot(center) + radius; - y_min_cam = y_vec.dot(center) - radius; z_min_cam = z_vec.dot(center) - radius; + { + + float soft_shadow_angle = RSG::storage->light_get_param(p_instance->base, RS::LIGHT_PARAM_SIZE); + + if (soft_shadow_angle > 0.0 && pancake_size > 0.0) { + + float z_range = (z_vec.dot(center) + radius + pancake_size) - z_min_cam; + soft_shadow_expand = Math::tan(Math::deg2rad(soft_shadow_angle)) * z_range; + + x_max += soft_shadow_expand; + y_max += soft_shadow_expand; + + x_min -= soft_shadow_expand; + y_min -= soft_shadow_expand; + } + } + + x_max_cam = x_vec.dot(center) + radius + soft_shadow_expand; + x_min_cam = x_vec.dot(center) - radius - soft_shadow_expand; + y_max_cam = y_vec.dot(center) + radius + soft_shadow_expand; + y_min_cam = y_vec.dot(center) - radius - soft_shadow_expand; + if (depth_range_mode == RS::LIGHT_DIRECTIONAL_SHADOW_DEPTH_RANGE_STABLE) { //this trick here is what stabilizes the shadow (make potential jaggies to not move) //at the cost of some wasted resolution. Still the quality increase is very well worth it @@ -1588,8 +1608,9 @@ bool RenderingServerScene::_light_instance_update_shadow(Instance *p_instance, c } } - if (cull_max > z_max) + if (cull_max > z_max) { z_max = cull_max; + } if (pancake_size > 0) { z_max = z_vec.dot(center) + radius + pancake_size; @@ -1677,11 +1698,19 @@ bool RenderingServerScene::_light_instance_update_shadow(Instance *p_instance, c ortho_camera.set_orthogonal(-half_x, half_x, -half_y, half_y, 0, (z_max - z_min_cam)); + Vector2 uv_scale(1.0 / (x_max_cam - x_min_cam), 1.0 / (y_max_cam - y_min_cam)); + Transform ortho_transform; ortho_transform.basis = transform.basis; ortho_transform.origin = x_vec * (x_min_cam + half_x) + y_vec * (y_min_cam + half_y) + z_vec * z_max; - RSG::scene_render->light_instance_set_shadow_transform(light->instance, ortho_camera, ortho_transform, z_max - z_min_cam, distances[i + 1], i, radius * 2.0 / texture_size, bias_scale * aspect_bias_scale * min_distance_bias_scale); + { + Vector3 max_in_view = p_cam_transform.affine_inverse().xform(z_vec * cull_max); + Vector3 dir_in_view = p_cam_transform.xform_inv(z_vec).normalized(); + cull_max = dir_in_view.dot(max_in_view); + } + + RSG::scene_render->light_instance_set_shadow_transform(light->instance, ortho_camera, ortho_transform, z_max - z_min_cam, distances[i + 1], i, radius * 2.0 / texture_size, bias_scale * aspect_bias_scale * min_distance_bias_scale, z_max, uv_scale); } RSG::scene_render->render_shadow(light->instance, p_shadow_atlas, i, (RasterizerScene::InstanceBase **)instance_shadow_cull_result, cull_count); |