2095 lines
75 KiB
C++
2095 lines
75 KiB
C++
/**************************************************************************/
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/* lightmapper_rd.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "lightmapper_rd.h"
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#include "lm_blendseams.glsl.gen.h"
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#include "lm_compute.glsl.gen.h"
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#include "lm_raster.glsl.gen.h"
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#include "core/config/project_settings.h"
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#include "core/io/dir_access.h"
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#include "core/math/geometry_2d.h"
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#include "editor/editor_paths.h"
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#include "editor/editor_settings.h"
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#include "servers/rendering/rendering_device_binds.h"
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#if defined(VULKAN_ENABLED)
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#include "drivers/vulkan/rendering_context_driver_vulkan.h"
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#endif
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//uncomment this if you want to see textures from all the process saved
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//#define DEBUG_TEXTURES
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void LightmapperRD::add_mesh(const MeshData &p_mesh) {
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ERR_FAIL_COND(p_mesh.albedo_on_uv2.is_null() || p_mesh.albedo_on_uv2->is_empty());
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ERR_FAIL_COND(p_mesh.emission_on_uv2.is_null() || p_mesh.emission_on_uv2->is_empty());
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ERR_FAIL_COND(p_mesh.albedo_on_uv2->get_width() != p_mesh.emission_on_uv2->get_width());
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ERR_FAIL_COND(p_mesh.albedo_on_uv2->get_height() != p_mesh.emission_on_uv2->get_height());
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ERR_FAIL_COND(p_mesh.points.is_empty());
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MeshInstance mi;
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mi.data = p_mesh;
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mesh_instances.push_back(mi);
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}
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void LightmapperRD::add_directional_light(bool p_static, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_indirect_energy, float p_angular_distance, float p_shadow_blur) {
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Light l;
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l.type = LIGHT_TYPE_DIRECTIONAL;
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l.direction[0] = p_direction.x;
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l.direction[1] = p_direction.y;
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l.direction[2] = p_direction.z;
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l.color[0] = p_color.r;
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l.color[1] = p_color.g;
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l.color[2] = p_color.b;
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l.energy = p_energy;
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l.indirect_energy = p_indirect_energy;
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l.static_bake = p_static;
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l.size = Math::tan(Math::deg_to_rad(p_angular_distance));
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l.shadow_blur = p_shadow_blur;
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lights.push_back(l);
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}
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void LightmapperRD::add_omni_light(bool p_static, const Vector3 &p_position, const Color &p_color, float p_energy, float p_indirect_energy, float p_range, float p_attenuation, float p_size, float p_shadow_blur) {
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Light l;
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l.type = LIGHT_TYPE_OMNI;
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l.position[0] = p_position.x;
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l.position[1] = p_position.y;
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l.position[2] = p_position.z;
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l.range = p_range;
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l.attenuation = p_attenuation;
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l.color[0] = p_color.r;
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l.color[1] = p_color.g;
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l.color[2] = p_color.b;
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l.energy = p_energy;
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l.indirect_energy = p_indirect_energy;
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l.static_bake = p_static;
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l.size = p_size;
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l.shadow_blur = p_shadow_blur;
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lights.push_back(l);
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}
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void LightmapperRD::add_spot_light(bool p_static, const Vector3 &p_position, const Vector3 p_direction, const Color &p_color, float p_energy, float p_indirect_energy, float p_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size, float p_shadow_blur) {
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Light l;
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l.type = LIGHT_TYPE_SPOT;
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l.position[0] = p_position.x;
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l.position[1] = p_position.y;
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l.position[2] = p_position.z;
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l.direction[0] = p_direction.x;
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l.direction[1] = p_direction.y;
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l.direction[2] = p_direction.z;
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l.range = p_range;
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l.attenuation = p_attenuation;
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l.cos_spot_angle = Math::cos(Math::deg_to_rad(p_spot_angle));
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l.inv_spot_attenuation = 1.0f / p_spot_attenuation;
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l.color[0] = p_color.r;
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l.color[1] = p_color.g;
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l.color[2] = p_color.b;
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l.energy = p_energy;
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l.indirect_energy = p_indirect_energy;
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l.static_bake = p_static;
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l.size = p_size;
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l.shadow_blur = p_shadow_blur;
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lights.push_back(l);
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}
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void LightmapperRD::add_probe(const Vector3 &p_position) {
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Probe probe;
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probe.position[0] = p_position.x;
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probe.position[1] = p_position.y;
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probe.position[2] = p_position.z;
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probe.position[3] = 0;
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probe_positions.push_back(probe);
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}
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void LightmapperRD::_plot_triangle_into_triangle_index_list(int p_size, const Vector3i &p_ofs, const AABB &p_bounds, const Vector3 p_points[3], uint32_t p_triangle_index, LocalVector<TriangleSort> &p_triangles_sort, uint32_t p_grid_size) {
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int half_size = p_size / 2;
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for (int i = 0; i < 8; i++) {
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AABB aabb = p_bounds;
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aabb.size *= 0.5;
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Vector3i n = p_ofs;
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if (i & 1) {
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aabb.position.x += aabb.size.x;
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n.x += half_size;
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}
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if (i & 2) {
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aabb.position.y += aabb.size.y;
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n.y += half_size;
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}
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if (i & 4) {
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aabb.position.z += aabb.size.z;
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n.z += half_size;
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}
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{
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Vector3 qsize = aabb.size * 0.5; //quarter size, for fast aabb test
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if (!Geometry3D::triangle_box_overlap(aabb.position + qsize, qsize, p_points)) {
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//does not fit in child, go on
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continue;
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}
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}
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if (half_size == 1) {
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//got to the end
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TriangleSort ts;
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ts.cell_index = n.x + (n.y * p_grid_size) + (n.z * p_grid_size * p_grid_size);
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ts.triangle_index = p_triangle_index;
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ts.triangle_aabb.position = p_points[0];
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ts.triangle_aabb.size = Vector3();
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ts.triangle_aabb.expand_to(p_points[1]);
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ts.triangle_aabb.expand_to(p_points[2]);
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p_triangles_sort.push_back(ts);
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} else {
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_plot_triangle_into_triangle_index_list(half_size, n, aabb, p_points, p_triangle_index, p_triangles_sort, p_grid_size);
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}
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}
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}
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void LightmapperRD::_sort_triangle_clusters(uint32_t p_cluster_size, uint32_t p_cluster_index, uint32_t p_index_start, uint32_t p_count, LocalVector<TriangleSort> &p_triangle_sort, LocalVector<ClusterAABB> &p_cluster_aabb) {
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if (p_count == 0) {
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return;
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}
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// Compute AABB for all triangles in the range.
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SortArray<TriangleSort, TriangleSortAxis<0>> triangle_sorter_x;
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SortArray<TriangleSort, TriangleSortAxis<1>> triangle_sorter_y;
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SortArray<TriangleSort, TriangleSortAxis<2>> triangle_sorter_z;
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AABB cluster_aabb = p_triangle_sort[p_index_start].triangle_aabb;
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for (uint32_t i = 1; i < p_count; i++) {
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cluster_aabb.merge_with(p_triangle_sort[p_index_start + i].triangle_aabb);
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}
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if (p_count > p_cluster_size) {
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int longest_axis_index = cluster_aabb.get_longest_axis_index();
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switch (longest_axis_index) {
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case 0:
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triangle_sorter_x.sort(&p_triangle_sort[p_index_start], p_count);
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break;
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case 1:
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triangle_sorter_y.sort(&p_triangle_sort[p_index_start], p_count);
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break;
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case 2:
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triangle_sorter_z.sort(&p_triangle_sort[p_index_start], p_count);
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break;
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default:
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DEV_ASSERT(false && "Invalid axis returned by AABB.");
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break;
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}
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uint32_t left_cluster_count = next_power_of_2(p_count / 2);
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left_cluster_count = MAX(left_cluster_count, p_cluster_size);
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left_cluster_count = MIN(left_cluster_count, p_count);
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_sort_triangle_clusters(p_cluster_size, p_cluster_index, p_index_start, left_cluster_count, p_triangle_sort, p_cluster_aabb);
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if (left_cluster_count < p_count) {
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uint32_t cluster_index_right = p_cluster_index + (left_cluster_count / p_cluster_size);
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_sort_triangle_clusters(p_cluster_size, cluster_index_right, p_index_start + left_cluster_count, p_count - left_cluster_count, p_triangle_sort, p_cluster_aabb);
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}
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} else {
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ClusterAABB &aabb = p_cluster_aabb[p_cluster_index];
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Vector3 aabb_end = cluster_aabb.get_end();
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aabb.min_bounds[0] = cluster_aabb.position.x;
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aabb.min_bounds[1] = cluster_aabb.position.y;
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aabb.min_bounds[2] = cluster_aabb.position.z;
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aabb.max_bounds[0] = aabb_end.x;
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aabb.max_bounds[1] = aabb_end.y;
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aabb.max_bounds[2] = aabb_end.z;
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}
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}
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Lightmapper::BakeError LightmapperRD::_blit_meshes_into_atlas(int p_max_texture_size, int p_denoiser_range, Vector<Ref<Image>> &albedo_images, Vector<Ref<Image>> &emission_images, AABB &bounds, Size2i &atlas_size, int &atlas_slices, BakeStepFunc p_step_function, void *p_bake_userdata) {
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Vector<Size2i> sizes;
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for (int m_i = 0; m_i < mesh_instances.size(); m_i++) {
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MeshInstance &mi = mesh_instances.write[m_i];
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Size2i s = Size2i(mi.data.albedo_on_uv2->get_width(), mi.data.albedo_on_uv2->get_height());
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sizes.push_back(s);
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atlas_size = atlas_size.max(s + Size2i(2, 2).maxi(p_denoiser_range));
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}
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int max = nearest_power_of_2_templated(atlas_size.width);
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max = MAX(max, nearest_power_of_2_templated(atlas_size.height));
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if (max > p_max_texture_size) {
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return BAKE_ERROR_TEXTURE_EXCEEDS_MAX_SIZE;
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}
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if (p_step_function) {
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p_step_function(0.1, RTR("Determining optimal atlas size"), p_bake_userdata, true);
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}
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atlas_size = Size2i(max, max);
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Size2i best_atlas_size;
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int best_atlas_slices = 0;
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int best_atlas_memory = 0x7FFFFFFF;
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Vector<Vector3i> best_atlas_offsets;
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// Determine best texture array atlas size by bruteforce fitting.
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while (atlas_size.x <= p_max_texture_size && atlas_size.y <= p_max_texture_size) {
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Vector<Vector2i> source_sizes;
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Vector<int> source_indices;
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source_sizes.resize(sizes.size());
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source_indices.resize(sizes.size());
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for (int i = 0; i < source_indices.size(); i++) {
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source_sizes.write[i] = sizes[i] + Vector2i(2, 2).maxi(p_denoiser_range); // Add padding between lightmaps.
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source_indices.write[i] = i;
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}
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Vector<Vector3i> atlas_offsets;
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atlas_offsets.resize(source_sizes.size());
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// Ensure the sizes can all fit into a single atlas layer.
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// This should always happen, and this check is only in place to prevent an infinite loop.
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for (int i = 0; i < source_sizes.size(); i++) {
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if (source_sizes[i] > atlas_size) {
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return BAKE_ERROR_ATLAS_TOO_SMALL;
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}
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}
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int slices = 0;
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while (source_sizes.size() > 0) {
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Vector<Vector3i> offsets = Geometry2D::partial_pack_rects(source_sizes, atlas_size);
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Vector<int> new_indices;
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Vector<Vector2i> new_sources;
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for (int i = 0; i < offsets.size(); i++) {
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Vector3i ofs = offsets[i];
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int sidx = source_indices[i];
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if (ofs.z > 0) {
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//valid
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ofs.z = slices;
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atlas_offsets.write[sidx] = ofs + Vector3i(1, 1, 0); // Center lightmap in the reserved oversized region
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} else {
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new_indices.push_back(sidx);
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new_sources.push_back(source_sizes[i]);
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}
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}
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source_sizes = new_sources;
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source_indices = new_indices;
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slices++;
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}
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int mem_used = atlas_size.x * atlas_size.y * slices;
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if (mem_used < best_atlas_memory) {
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best_atlas_size = atlas_size;
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best_atlas_offsets = atlas_offsets;
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best_atlas_slices = slices;
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best_atlas_memory = mem_used;
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}
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if (atlas_size.width == atlas_size.height) {
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atlas_size.width *= 2;
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} else {
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atlas_size.height *= 2;
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}
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}
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atlas_size = best_atlas_size;
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atlas_slices = best_atlas_slices;
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// apply the offsets and slice to all images, and also blit albedo and emission
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albedo_images.resize(atlas_slices);
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emission_images.resize(atlas_slices);
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if (p_step_function) {
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p_step_function(0.2, RTR("Blitting albedo and emission"), p_bake_userdata, true);
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}
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for (int i = 0; i < atlas_slices; i++) {
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Ref<Image> albedo = Image::create_empty(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBA8);
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albedo->set_as_black();
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albedo_images.write[i] = albedo;
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Ref<Image> emission = Image::create_empty(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH);
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emission->set_as_black();
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emission_images.write[i] = emission;
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}
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//assign uv positions
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for (int m_i = 0; m_i < mesh_instances.size(); m_i++) {
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MeshInstance &mi = mesh_instances.write[m_i];
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mi.offset.x = best_atlas_offsets[m_i].x;
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mi.offset.y = best_atlas_offsets[m_i].y;
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mi.slice = best_atlas_offsets[m_i].z;
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albedo_images.write[mi.slice]->blit_rect(mi.data.albedo_on_uv2, Rect2i(Vector2i(), mi.data.albedo_on_uv2->get_size()), mi.offset);
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emission_images.write[mi.slice]->blit_rect(mi.data.emission_on_uv2, Rect2(Vector2i(), mi.data.emission_on_uv2->get_size()), mi.offset);
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}
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return BAKE_OK;
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}
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void LightmapperRD::_create_acceleration_structures(RenderingDevice *rd, Size2i atlas_size, int atlas_slices, AABB &bounds, int grid_size, uint32_t p_cluster_size, Vector<Probe> &p_probe_positions, GenerateProbes p_generate_probes, Vector<int> &slice_triangle_count, Vector<int> &slice_seam_count, RID &vertex_buffer, RID &triangle_buffer, RID &lights_buffer, RID &r_triangle_indices_buffer, RID &r_cluster_indices_buffer, RID &r_cluster_aabbs_buffer, RID &probe_positions_buffer, RID &grid_texture, RID &seams_buffer, BakeStepFunc p_step_function, void *p_bake_userdata) {
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HashMap<Vertex, uint32_t, VertexHash> vertex_map;
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//fill triangles array and vertex array
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LocalVector<Triangle> triangles;
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LocalVector<Vertex> vertex_array;
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LocalVector<Seam> seams;
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slice_triangle_count.resize(atlas_slices);
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slice_seam_count.resize(atlas_slices);
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for (int i = 0; i < atlas_slices; i++) {
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slice_triangle_count.write[i] = 0;
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slice_seam_count.write[i] = 0;
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}
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bounds = AABB();
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for (int m_i = 0; m_i < mesh_instances.size(); m_i++) {
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if (p_step_function) {
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float p = float(m_i + 1) / MAX(1, mesh_instances.size()) * 0.1;
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p_step_function(0.3 + p, vformat(RTR("Plotting mesh into acceleration structure %d/%d"), m_i + 1, mesh_instances.size()), p_bake_userdata, false);
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}
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HashMap<Edge, EdgeUV2, EdgeHash> edges;
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MeshInstance &mi = mesh_instances.write[m_i];
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Vector2 uv_scale = Vector2(mi.data.albedo_on_uv2->get_width(), mi.data.albedo_on_uv2->get_height()) / Vector2(atlas_size);
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Vector2 uv_offset = Vector2(mi.offset) / Vector2(atlas_size);
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if (m_i == 0) {
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bounds.position = mi.data.points[0];
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}
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for (int i = 0; i < mi.data.points.size(); i += 3) {
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Vector3 vtxs[3] = { mi.data.points[i + 0], mi.data.points[i + 1], mi.data.points[i + 2] };
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Vector2 uvs[3] = { mi.data.uv2[i + 0] * uv_scale + uv_offset, mi.data.uv2[i + 1] * uv_scale + uv_offset, mi.data.uv2[i + 2] * uv_scale + uv_offset };
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Vector3 normal[3] = { mi.data.normal[i + 0], mi.data.normal[i + 1], mi.data.normal[i + 2] };
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AABB taabb;
|
|
Triangle t;
|
|
t.slice = mi.slice;
|
|
for (int k = 0; k < 3; k++) {
|
|
bounds.expand_to(vtxs[k]);
|
|
|
|
Vertex v;
|
|
v.position[0] = vtxs[k].x;
|
|
v.position[1] = vtxs[k].y;
|
|
v.position[2] = vtxs[k].z;
|
|
v.uv[0] = uvs[k].x;
|
|
v.uv[1] = uvs[k].y;
|
|
v.normal_xy[0] = normal[k].x;
|
|
v.normal_xy[1] = normal[k].y;
|
|
v.normal_z = normal[k].z;
|
|
|
|
uint32_t *indexptr = vertex_map.getptr(v);
|
|
|
|
if (indexptr) {
|
|
t.indices[k] = *indexptr;
|
|
} else {
|
|
uint32_t new_index = vertex_map.size();
|
|
t.indices[k] = new_index;
|
|
vertex_map[v] = new_index;
|
|
vertex_array.push_back(v);
|
|
}
|
|
|
|
if (k == 0) {
|
|
taabb.position = vtxs[k];
|
|
} else {
|
|
taabb.expand_to(vtxs[k]);
|
|
}
|
|
}
|
|
|
|
//compute seams that will need to be blended later
|
|
for (int k = 0; k < 3; k++) {
|
|
int n = (k + 1) % 3;
|
|
|
|
Edge edge(vtxs[k], vtxs[n], normal[k], normal[n]);
|
|
Vector2i edge_indices(t.indices[k], t.indices[n]);
|
|
EdgeUV2 uv2(uvs[k], uvs[n], edge_indices);
|
|
|
|
if (edge.b == edge.a) {
|
|
continue; //degenerate, somehow
|
|
}
|
|
if (edge.b < edge.a) {
|
|
SWAP(edge.a, edge.b);
|
|
SWAP(edge.na, edge.nb);
|
|
SWAP(uv2.a, uv2.b);
|
|
SWAP(uv2.indices.x, uv2.indices.y);
|
|
SWAP(edge_indices.x, edge_indices.y);
|
|
}
|
|
|
|
EdgeUV2 *euv2 = edges.getptr(edge);
|
|
if (!euv2) {
|
|
edges[edge] = uv2;
|
|
} else {
|
|
if (*euv2 == uv2) {
|
|
continue; // seam shared UV space, no need to blend
|
|
}
|
|
if (euv2->seam_found) {
|
|
continue; //bad geometry
|
|
}
|
|
|
|
Seam seam;
|
|
seam.a = edge_indices;
|
|
seam.b = euv2->indices;
|
|
seam.slice = mi.slice;
|
|
seams.push_back(seam);
|
|
slice_seam_count.write[mi.slice]++;
|
|
euv2->seam_found = true;
|
|
}
|
|
}
|
|
|
|
t.min_bounds[0] = taabb.position.x;
|
|
t.min_bounds[1] = taabb.position.y;
|
|
t.min_bounds[2] = taabb.position.z;
|
|
t.max_bounds[0] = taabb.position.x + MAX(taabb.size.x, 0.0001);
|
|
t.max_bounds[1] = taabb.position.y + MAX(taabb.size.y, 0.0001);
|
|
t.max_bounds[2] = taabb.position.z + MAX(taabb.size.z, 0.0001);
|
|
t.pad0 = t.pad1 = 0; //make valgrind not complain
|
|
triangles.push_back(t);
|
|
slice_triangle_count.write[t.slice]++;
|
|
}
|
|
}
|
|
|
|
//also consider probe positions for bounds
|
|
for (int i = 0; i < p_probe_positions.size(); i++) {
|
|
Vector3 pp(p_probe_positions[i].position[0], p_probe_positions[i].position[1], p_probe_positions[i].position[2]);
|
|
bounds.expand_to(pp);
|
|
}
|
|
bounds.grow_by(0.1); //grow a bit to avoid numerical error
|
|
|
|
triangles.sort(); //sort by slice
|
|
seams.sort();
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.4, RTR("Optimizing acceleration structure"), p_bake_userdata, true);
|
|
}
|
|
|
|
//fill list of triangles in grid
|
|
LocalVector<TriangleSort> triangle_sort;
|
|
for (uint32_t i = 0; i < triangles.size(); i++) {
|
|
const Triangle &t = triangles[i];
|
|
Vector3 face[3] = {
|
|
Vector3(vertex_array[t.indices[0]].position[0], vertex_array[t.indices[0]].position[1], vertex_array[t.indices[0]].position[2]),
|
|
Vector3(vertex_array[t.indices[1]].position[0], vertex_array[t.indices[1]].position[1], vertex_array[t.indices[1]].position[2]),
|
|
Vector3(vertex_array[t.indices[2]].position[0], vertex_array[t.indices[2]].position[1], vertex_array[t.indices[2]].position[2])
|
|
};
|
|
_plot_triangle_into_triangle_index_list(grid_size, Vector3i(), bounds, face, i, triangle_sort, grid_size);
|
|
}
|
|
//sort it
|
|
triangle_sort.sort();
|
|
|
|
LocalVector<uint32_t> cluster_indices;
|
|
LocalVector<ClusterAABB> cluster_aabbs;
|
|
Vector<uint32_t> triangle_indices;
|
|
triangle_indices.resize(triangle_sort.size());
|
|
Vector<uint32_t> grid_indices;
|
|
grid_indices.resize(grid_size * grid_size * grid_size * 2);
|
|
memset(grid_indices.ptrw(), 0, grid_indices.size() * sizeof(uint32_t));
|
|
|
|
{
|
|
// Fill grid with cell indices.
|
|
uint32_t last_cell = 0xFFFFFFFF;
|
|
uint32_t *giw = grid_indices.ptrw();
|
|
uint32_t cluster_count = 0;
|
|
uint32_t solid_cell_count = 0;
|
|
for (uint32_t i = 0; i < triangle_sort.size(); i++) {
|
|
uint32_t cell = triangle_sort[i].cell_index;
|
|
if (cell != last_cell) {
|
|
giw[cell * 2 + 1] = solid_cell_count;
|
|
solid_cell_count++;
|
|
}
|
|
|
|
if ((giw[cell * 2] % p_cluster_size) == 0) {
|
|
// Add an extra cluster every time the triangle counter reaches a multiple of the cluster size.
|
|
cluster_count++;
|
|
}
|
|
|
|
giw[cell * 2]++;
|
|
last_cell = cell;
|
|
}
|
|
|
|
// Build fixed-size triangle clusters for all the cells to speed up the traversal. A cell can hold multiple clusters that each contain a fixed
|
|
// amount of triangles and an AABB. The tracer will check against the AABBs first to know whether it needs to visit the cell's triangles.
|
|
//
|
|
// The building algorithm will divide the triangles recursively contained inside each cell, sorting by the longest axis of the AABB on each step.
|
|
//
|
|
// - If the amount of triangles is less or equal to the cluster size, the AABB will be stored and the algorithm stops.
|
|
//
|
|
// - The division by two is increased to the next power of two of half the amount of triangles (with cluster size as the minimum value) to
|
|
// ensure the first half always fills the cluster.
|
|
|
|
cluster_indices.resize(solid_cell_count * 2);
|
|
cluster_aabbs.resize(cluster_count);
|
|
|
|
uint32_t i = 0;
|
|
uint32_t cluster_index = 0;
|
|
uint32_t solid_cell_index = 0;
|
|
uint32_t *tiw = triangle_indices.ptrw();
|
|
while (i < triangle_sort.size()) {
|
|
cluster_indices[solid_cell_index * 2] = cluster_index;
|
|
cluster_indices[solid_cell_index * 2 + 1] = i;
|
|
|
|
uint32_t cell = triangle_sort[i].cell_index;
|
|
uint32_t triangle_count = giw[cell * 2];
|
|
uint32_t cell_cluster_count = (triangle_count + p_cluster_size - 1) / p_cluster_size;
|
|
_sort_triangle_clusters(p_cluster_size, cluster_index, i, triangle_count, triangle_sort, cluster_aabbs);
|
|
|
|
for (uint32_t j = 0; j < triangle_count; j++) {
|
|
tiw[i + j] = triangle_sort[i + j].triangle_index;
|
|
}
|
|
|
|
i += triangle_count;
|
|
cluster_index += cell_cluster_count;
|
|
solid_cell_index++;
|
|
}
|
|
}
|
|
#if 0
|
|
for (int i = 0; i < grid_size; i++) {
|
|
for (int j = 0; j < grid_size; j++) {
|
|
for (int k = 0; k < grid_size; k++) {
|
|
uint32_t index = i * (grid_size * grid_size) + j * grid_size + k;
|
|
grid_indices.write[index * 2] = float(i) / grid_size * 255;
|
|
grid_indices.write[index * 2 + 1] = float(j) / grid_size * 255;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if 0
|
|
for (int i = 0; i < grid_size; i++) {
|
|
Vector<uint8_t> grid_usage;
|
|
grid_usage.resize(grid_size * grid_size);
|
|
for (int j = 0; j < grid_usage.size(); j++) {
|
|
uint32_t ofs = i * grid_size * grid_size + j;
|
|
uint32_t count = grid_indices[ofs * 2];
|
|
grid_usage.write[j] = count > 0 ? 255 : 0;
|
|
}
|
|
|
|
Ref<Image> img = Image::create_from_data(grid_size, grid_size, false, Image::FORMAT_L8, grid_usage);
|
|
img->save_png("res://grid_layer_" + itos(1000 + i).substr(1, 3) + ".png");
|
|
}
|
|
#endif
|
|
|
|
/*****************************/
|
|
/*** CREATE GPU STRUCTURES ***/
|
|
/*****************************/
|
|
|
|
lights.sort();
|
|
|
|
Vector<Vector2i> seam_buffer_vec;
|
|
seam_buffer_vec.resize(seams.size() * 2);
|
|
for (uint32_t i = 0; i < seams.size(); i++) {
|
|
seam_buffer_vec.write[i * 2 + 0] = seams[i].a;
|
|
seam_buffer_vec.write[i * 2 + 1] = seams[i].b;
|
|
}
|
|
|
|
{ //buffers
|
|
Vector<uint8_t> vb = vertex_array.to_byte_array();
|
|
vertex_buffer = rd->storage_buffer_create(vb.size(), vb);
|
|
|
|
Vector<uint8_t> tb = triangles.to_byte_array();
|
|
triangle_buffer = rd->storage_buffer_create(tb.size(), tb);
|
|
|
|
Vector<uint8_t> tib = triangle_indices.to_byte_array();
|
|
r_triangle_indices_buffer = rd->storage_buffer_create(tib.size(), tib);
|
|
|
|
Vector<uint8_t> cib = cluster_indices.to_byte_array();
|
|
r_cluster_indices_buffer = rd->storage_buffer_create(cib.size(), cib);
|
|
|
|
Vector<uint8_t> cab = cluster_aabbs.to_byte_array();
|
|
r_cluster_aabbs_buffer = rd->storage_buffer_create(cab.size(), cab);
|
|
|
|
Vector<uint8_t> lb = lights.to_byte_array();
|
|
if (lb.size() == 0) {
|
|
lb.resize(sizeof(Light)); //even if no lights, the buffer must exist
|
|
}
|
|
lights_buffer = rd->storage_buffer_create(lb.size(), lb);
|
|
|
|
Vector<uint8_t> sb = seam_buffer_vec.to_byte_array();
|
|
if (sb.size() == 0) {
|
|
sb.resize(sizeof(Vector2i) * 2); //even if no seams, the buffer must exist
|
|
}
|
|
seams_buffer = rd->storage_buffer_create(sb.size(), sb);
|
|
|
|
Vector<uint8_t> pb = p_probe_positions.to_byte_array();
|
|
if (pb.size() == 0) {
|
|
pb.resize(sizeof(Probe));
|
|
}
|
|
probe_positions_buffer = rd->storage_buffer_create(pb.size(), pb);
|
|
}
|
|
|
|
{ //grid
|
|
|
|
RD::TextureFormat tf;
|
|
tf.width = grid_size;
|
|
tf.height = grid_size;
|
|
tf.depth = grid_size;
|
|
tf.texture_type = RD::TEXTURE_TYPE_3D;
|
|
tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_UPDATE_BIT;
|
|
|
|
Vector<Vector<uint8_t>> texdata;
|
|
texdata.resize(1);
|
|
//grid and indices
|
|
tf.format = RD::DATA_FORMAT_R32G32_UINT;
|
|
texdata.write[0] = grid_indices.to_byte_array();
|
|
grid_texture = rd->texture_create(tf, RD::TextureView(), texdata);
|
|
}
|
|
}
|
|
|
|
void LightmapperRD::_raster_geometry(RenderingDevice *rd, Size2i atlas_size, int atlas_slices, int grid_size, AABB bounds, float p_bias, Vector<int> slice_triangle_count, RID position_tex, RID unocclude_tex, RID normal_tex, RID raster_depth_buffer, RID rasterize_shader, RID raster_base_uniform) {
|
|
Vector<RID> framebuffers;
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
RID slice_pos_tex = rd->texture_create_shared_from_slice(RD::TextureView(), position_tex, i, 0);
|
|
RID slice_unoc_tex = rd->texture_create_shared_from_slice(RD::TextureView(), unocclude_tex, i, 0);
|
|
RID slice_norm_tex = rd->texture_create_shared_from_slice(RD::TextureView(), normal_tex, i, 0);
|
|
Vector<RID> fb;
|
|
fb.push_back(slice_pos_tex);
|
|
fb.push_back(slice_norm_tex);
|
|
fb.push_back(slice_unoc_tex);
|
|
fb.push_back(raster_depth_buffer);
|
|
framebuffers.push_back(rd->framebuffer_create(fb));
|
|
}
|
|
|
|
RD::PipelineDepthStencilState ds;
|
|
ds.enable_depth_test = true;
|
|
ds.enable_depth_write = true;
|
|
ds.depth_compare_operator = RD::COMPARE_OP_LESS; //so it does render same pixel twice
|
|
|
|
RID raster_pipeline = rd->render_pipeline_create(rasterize_shader, rd->framebuffer_get_format(framebuffers[0]), RD::INVALID_FORMAT_ID, RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), ds, RD::PipelineColorBlendState::create_disabled(3), 0);
|
|
RID raster_pipeline_wire;
|
|
{
|
|
RD::PipelineRasterizationState rw;
|
|
rw.wireframe = true;
|
|
raster_pipeline_wire = rd->render_pipeline_create(rasterize_shader, rd->framebuffer_get_format(framebuffers[0]), RD::INVALID_FORMAT_ID, RD::RENDER_PRIMITIVE_TRIANGLES, rw, RD::PipelineMultisampleState(), ds, RD::PipelineColorBlendState::create_disabled(3), 0);
|
|
}
|
|
|
|
uint32_t triangle_offset = 0;
|
|
Vector<Color> clear_colors;
|
|
clear_colors.push_back(Color(0, 0, 0, 0));
|
|
clear_colors.push_back(Color(0, 0, 0, 0));
|
|
clear_colors.push_back(Color(0, 0, 0, 0));
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
RasterPushConstant raster_push_constant;
|
|
raster_push_constant.atlas_size[0] = atlas_size.x;
|
|
raster_push_constant.atlas_size[1] = atlas_size.y;
|
|
raster_push_constant.base_triangle = triangle_offset;
|
|
raster_push_constant.to_cell_offset[0] = bounds.position.x;
|
|
raster_push_constant.to_cell_offset[1] = bounds.position.y;
|
|
raster_push_constant.to_cell_offset[2] = bounds.position.z;
|
|
raster_push_constant.bias = p_bias;
|
|
raster_push_constant.to_cell_size[0] = (1.0 / bounds.size.x) * float(grid_size);
|
|
raster_push_constant.to_cell_size[1] = (1.0 / bounds.size.y) * float(grid_size);
|
|
raster_push_constant.to_cell_size[2] = (1.0 / bounds.size.z) * float(grid_size);
|
|
raster_push_constant.grid_size[0] = grid_size;
|
|
raster_push_constant.grid_size[1] = grid_size;
|
|
raster_push_constant.grid_size[2] = grid_size;
|
|
|
|
// Half pixel offset is required so the rasterizer doesn't output face edges directly aligned into pixels.
|
|
// This fixes artifacts where the pixel would be traced from the edge of a face, causing half the rays to
|
|
// be outside of the boundaries of the geometry. See <https://github.com/godotengine/godot/issues/69126>.
|
|
raster_push_constant.uv_offset[0] = -0.5f / float(atlas_size.x);
|
|
raster_push_constant.uv_offset[1] = -0.5f / float(atlas_size.y);
|
|
|
|
RD::DrawListID draw_list = rd->draw_list_begin(framebuffers[i], RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_STORE, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, clear_colors, 1.0, 0, Rect2(), RDD::BreadcrumbMarker::LIGHTMAPPER_PASS);
|
|
//draw opaque
|
|
rd->draw_list_bind_render_pipeline(draw_list, raster_pipeline);
|
|
rd->draw_list_bind_uniform_set(draw_list, raster_base_uniform, 0);
|
|
rd->draw_list_set_push_constant(draw_list, &raster_push_constant, sizeof(RasterPushConstant));
|
|
rd->draw_list_draw(draw_list, false, 1, slice_triangle_count[i] * 3);
|
|
//draw wire
|
|
rd->draw_list_bind_render_pipeline(draw_list, raster_pipeline_wire);
|
|
rd->draw_list_bind_uniform_set(draw_list, raster_base_uniform, 0);
|
|
rd->draw_list_set_push_constant(draw_list, &raster_push_constant, sizeof(RasterPushConstant));
|
|
rd->draw_list_draw(draw_list, false, 1, slice_triangle_count[i] * 3);
|
|
|
|
rd->draw_list_end();
|
|
|
|
triangle_offset += slice_triangle_count[i];
|
|
}
|
|
}
|
|
|
|
static Vector<RD::Uniform> dilate_or_denoise_common_uniforms(RID &p_source_light_tex, RID &p_dest_light_tex) {
|
|
Vector<RD::Uniform> uniforms;
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 0;
|
|
u.append_id(p_dest_light_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 1;
|
|
u.append_id(p_source_light_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
|
|
return uniforms;
|
|
}
|
|
|
|
LightmapperRD::BakeError LightmapperRD::_dilate(RenderingDevice *rd, Ref<RDShaderFile> &compute_shader, RID &compute_base_uniform_set, PushConstant &push_constant, RID &source_light_tex, RID &dest_light_tex, const Size2i &atlas_size, int atlas_slices) {
|
|
Vector<RD::Uniform> uniforms = dilate_or_denoise_common_uniforms(source_light_tex, dest_light_tex);
|
|
|
|
RID compute_shader_dilate = rd->shader_create_from_spirv(compute_shader->get_spirv_stages("dilate"));
|
|
ERR_FAIL_COND_V(compute_shader_dilate.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES); //internal check, should not happen
|
|
RID compute_shader_dilate_pipeline = rd->compute_pipeline_create(compute_shader_dilate);
|
|
|
|
RID dilate_uniform_set = rd->uniform_set_create(uniforms, compute_shader_dilate, 1);
|
|
|
|
RD::ComputeListID compute_list = rd->compute_list_begin();
|
|
rd->compute_list_bind_compute_pipeline(compute_list, compute_shader_dilate_pipeline);
|
|
rd->compute_list_bind_uniform_set(compute_list, compute_base_uniform_set, 0);
|
|
rd->compute_list_bind_uniform_set(compute_list, dilate_uniform_set, 1);
|
|
push_constant.region_ofs[0] = 0;
|
|
push_constant.region_ofs[1] = 0;
|
|
Vector3i group_size(Math::division_round_up(atlas_size.x, 8), Math::division_round_up(atlas_size.y, 8), 1); //restore group size
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
push_constant.atlas_slice = i;
|
|
rd->compute_list_set_push_constant(compute_list, &push_constant, sizeof(PushConstant));
|
|
rd->compute_list_dispatch(compute_list, group_size.x, group_size.y, group_size.z);
|
|
//no barrier, let them run all together
|
|
}
|
|
rd->compute_list_end();
|
|
rd->free(compute_shader_dilate);
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(source_light_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->convert(Image::FORMAT_RGBA8);
|
|
img->save_png("res://5_dilated_" + itos(i) + ".png");
|
|
}
|
|
#endif
|
|
return BAKE_OK;
|
|
}
|
|
|
|
Error LightmapperRD::_store_pfm(RenderingDevice *p_rd, RID p_atlas_tex, int p_index, const Size2i &p_atlas_size, const String &p_name) {
|
|
Vector<uint8_t> data = p_rd->texture_get_data(p_atlas_tex, p_index);
|
|
Ref<Image> img = Image::create_from_data(p_atlas_size.width, p_atlas_size.height, false, Image::FORMAT_RGBAH, data);
|
|
img->convert(Image::FORMAT_RGBF);
|
|
Vector<uint8_t> data_float = img->get_data();
|
|
|
|
Error err = OK;
|
|
Ref<FileAccess> file = FileAccess::open(p_name, FileAccess::WRITE, &err);
|
|
ERR_FAIL_COND_V_MSG(err, err, vformat("Can't save PFN at path: '%s'.", p_name));
|
|
file->store_line("PF");
|
|
file->store_line(vformat("%d %d", img->get_width(), img->get_height()));
|
|
#ifdef BIG_ENDIAN_ENABLED
|
|
file->store_line("1.0");
|
|
#else
|
|
file->store_line("-1.0");
|
|
#endif
|
|
file->store_buffer(data_float);
|
|
file->close();
|
|
|
|
return OK;
|
|
}
|
|
|
|
Ref<Image> LightmapperRD::_read_pfm(const String &p_name) {
|
|
Error err = OK;
|
|
Ref<FileAccess> file = FileAccess::open(p_name, FileAccess::READ, &err);
|
|
ERR_FAIL_COND_V_MSG(err, Ref<Image>(), vformat("Can't load PFM at path: '%s'.", p_name));
|
|
ERR_FAIL_COND_V(file->get_line() != "PF", Ref<Image>());
|
|
|
|
Vector<String> new_size = file->get_line().split(" ");
|
|
ERR_FAIL_COND_V(new_size.size() != 2, Ref<Image>());
|
|
int new_width = new_size[0].to_int();
|
|
int new_height = new_size[1].to_int();
|
|
|
|
float endian = file->get_line().to_float();
|
|
Vector<uint8_t> new_data = file->get_buffer(file->get_length() - file->get_position());
|
|
file->close();
|
|
|
|
#ifdef BIG_ENDIAN_ENABLED
|
|
if (unlikely(endian < 0.0)) {
|
|
uint32_t count = new_data.size() / 4;
|
|
uint16_t *dst = (uint16_t *)new_data.ptrw();
|
|
for (uint32_t j = 0; j < count; j++) {
|
|
dst[j * 4] = BSWAP32(dst[j * 4]);
|
|
}
|
|
}
|
|
#else
|
|
if (unlikely(endian > 0.0)) {
|
|
uint32_t count = new_data.size() / 4;
|
|
uint16_t *dst = (uint16_t *)new_data.ptrw();
|
|
for (uint32_t j = 0; j < count; j++) {
|
|
dst[j * 4] = BSWAP32(dst[j * 4]);
|
|
}
|
|
}
|
|
#endif
|
|
Ref<Image> img = Image::create_from_data(new_width, new_height, false, Image::FORMAT_RGBF, new_data);
|
|
img->convert(Image::FORMAT_RGBAH);
|
|
return img;
|
|
}
|
|
|
|
LightmapperRD::BakeError LightmapperRD::_denoise_oidn(RenderingDevice *p_rd, RID p_source_light_tex, RID p_source_normal_tex, RID p_dest_light_tex, const Size2i &p_atlas_size, int p_atlas_slices, bool p_bake_sh, const String &p_exe) {
|
|
Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
|
|
|
|
for (int i = 0; i < p_atlas_slices; i++) {
|
|
String fname_norm_in = EditorPaths::get_singleton()->get_cache_dir().path_join(vformat("temp_norm_%d.pfm", i));
|
|
_store_pfm(p_rd, p_source_normal_tex, i, p_atlas_size, fname_norm_in);
|
|
|
|
for (int j = 0; j < (p_bake_sh ? 4 : 1); j++) {
|
|
int index = i * (p_bake_sh ? 4 : 1) + j;
|
|
String fname_light_in = EditorPaths::get_singleton()->get_cache_dir().path_join(vformat("temp_light_%d.pfm", index));
|
|
String fname_out = EditorPaths::get_singleton()->get_cache_dir().path_join(vformat("temp_denoised_%d.pfm", index));
|
|
|
|
_store_pfm(p_rd, p_source_light_tex, index, p_atlas_size, fname_light_in);
|
|
|
|
List<String> args;
|
|
args.push_back("--device");
|
|
args.push_back("default");
|
|
|
|
args.push_back("--filter");
|
|
args.push_back("RTLightmap");
|
|
|
|
args.push_back("--hdr");
|
|
args.push_back(fname_light_in);
|
|
|
|
args.push_back("--nrm");
|
|
args.push_back(fname_norm_in);
|
|
|
|
args.push_back("--output");
|
|
args.push_back(fname_out);
|
|
|
|
String str;
|
|
int exitcode = 0;
|
|
|
|
Error err = OS::get_singleton()->execute(p_exe, args, &str, &exitcode, true);
|
|
|
|
da->remove(fname_light_in);
|
|
|
|
if (err != OK || exitcode != 0) {
|
|
da->remove(fname_out);
|
|
print_verbose(str);
|
|
ERR_FAIL_V_MSG(BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES, vformat("OIDN denoiser failed, return code: %d", exitcode));
|
|
}
|
|
|
|
Ref<Image> img = _read_pfm(fname_out);
|
|
da->remove(fname_out);
|
|
|
|
ERR_FAIL_COND_V(img.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
Vector<uint8_t> old_data = p_rd->texture_get_data(p_source_light_tex, index);
|
|
Vector<uint8_t> new_data = img->get_data();
|
|
img.unref(); // Avoid copy on write.
|
|
|
|
uint32_t count = old_data.size() / 2;
|
|
const uint16_t *src = (const uint16_t *)old_data.ptr();
|
|
uint16_t *dst = (uint16_t *)new_data.ptrw();
|
|
for (uint32_t k = 0; k < count; k += 4) {
|
|
dst[k + 3] = src[k + 3];
|
|
}
|
|
|
|
p_rd->texture_update(p_dest_light_tex, index, new_data);
|
|
}
|
|
da->remove(fname_norm_in);
|
|
}
|
|
return BAKE_OK;
|
|
}
|
|
|
|
LightmapperRD::BakeError LightmapperRD::_denoise(RenderingDevice *p_rd, Ref<RDShaderFile> &p_compute_shader, const RID &p_compute_base_uniform_set, PushConstant &p_push_constant, RID p_source_light_tex, RID p_source_normal_tex, RID p_dest_light_tex, float p_denoiser_strength, int p_denoiser_range, const Size2i &p_atlas_size, int p_atlas_slices, bool p_bake_sh, BakeStepFunc p_step_function, void *p_bake_userdata) {
|
|
RID denoise_params_buffer = p_rd->uniform_buffer_create(sizeof(DenoiseParams));
|
|
DenoiseParams denoise_params;
|
|
denoise_params.spatial_bandwidth = 5.0f;
|
|
denoise_params.light_bandwidth = p_denoiser_strength;
|
|
denoise_params.albedo_bandwidth = 1.0f;
|
|
denoise_params.normal_bandwidth = 0.1f;
|
|
denoise_params.filter_strength = 10.0f;
|
|
denoise_params.half_search_window = p_denoiser_range;
|
|
p_rd->buffer_update(denoise_params_buffer, 0, sizeof(DenoiseParams), &denoise_params);
|
|
|
|
Vector<RD::Uniform> uniforms = dilate_or_denoise_common_uniforms(p_source_light_tex, p_dest_light_tex);
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 2;
|
|
u.append_id(p_source_normal_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER;
|
|
u.binding = 3;
|
|
u.append_id(denoise_params_buffer);
|
|
uniforms.push_back(u);
|
|
}
|
|
|
|
RID compute_shader_denoise = p_rd->shader_create_from_spirv(p_compute_shader->get_spirv_stages("denoise"));
|
|
ERR_FAIL_COND_V(compute_shader_denoise.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
RID compute_shader_denoise_pipeline = p_rd->compute_pipeline_create(compute_shader_denoise);
|
|
RID denoise_uniform_set = p_rd->uniform_set_create(uniforms, compute_shader_denoise, 1);
|
|
|
|
// We denoise in fixed size regions and synchronize execution to avoid GPU timeouts.
|
|
// We use a region with 1/4 the amount of pixels if we're denoising SH lightmaps, as
|
|
// all four of them are denoised in the shader in one dispatch.
|
|
const int max_region_size = p_bake_sh ? 512 : 1024;
|
|
int x_regions = Math::division_round_up(p_atlas_size.width, max_region_size);
|
|
int y_regions = Math::division_round_up(p_atlas_size.height, max_region_size);
|
|
for (int s = 0; s < p_atlas_slices; s++) {
|
|
p_push_constant.atlas_slice = s;
|
|
|
|
for (int i = 0; i < x_regions; i++) {
|
|
for (int j = 0; j < y_regions; j++) {
|
|
int x = i * max_region_size;
|
|
int y = j * max_region_size;
|
|
int w = MIN((i + 1) * max_region_size, p_atlas_size.width) - x;
|
|
int h = MIN((j + 1) * max_region_size, p_atlas_size.height) - y;
|
|
p_push_constant.region_ofs[0] = x;
|
|
p_push_constant.region_ofs[1] = y;
|
|
|
|
RD::ComputeListID compute_list = p_rd->compute_list_begin();
|
|
p_rd->compute_list_bind_compute_pipeline(compute_list, compute_shader_denoise_pipeline);
|
|
p_rd->compute_list_bind_uniform_set(compute_list, p_compute_base_uniform_set, 0);
|
|
p_rd->compute_list_bind_uniform_set(compute_list, denoise_uniform_set, 1);
|
|
p_rd->compute_list_set_push_constant(compute_list, &p_push_constant, sizeof(PushConstant));
|
|
p_rd->compute_list_dispatch(compute_list, Math::division_round_up(w, 8), Math::division_round_up(h, 8), 1);
|
|
p_rd->compute_list_end();
|
|
|
|
p_rd->submit();
|
|
p_rd->sync();
|
|
}
|
|
}
|
|
if (p_step_function) {
|
|
int percent = (s + 1) * 100 / p_atlas_slices;
|
|
float p = float(s) / p_atlas_slices * 0.1;
|
|
p_step_function(0.8 + p, vformat(RTR("Denoising %d%%"), percent), p_bake_userdata, false);
|
|
}
|
|
}
|
|
|
|
p_rd->free(compute_shader_denoise);
|
|
p_rd->free(denoise_params_buffer);
|
|
|
|
return BAKE_OK;
|
|
}
|
|
|
|
LightmapperRD::BakeError LightmapperRD::bake(BakeQuality p_quality, bool p_use_denoiser, float p_denoiser_strength, int p_denoiser_range, int p_bounces, float p_bounce_indirect_energy, float p_bias, int p_max_texture_size, bool p_bake_sh, bool p_texture_for_bounces, GenerateProbes p_generate_probes, const Ref<Image> &p_environment_panorama, const Basis &p_environment_transform, BakeStepFunc p_step_function, void *p_bake_userdata, float p_exposure_normalization) {
|
|
int denoiser = GLOBAL_GET("rendering/lightmapping/denoising/denoiser");
|
|
String oidn_path = EDITOR_GET("filesystem/tools/oidn/oidn_denoise_path");
|
|
|
|
if (p_use_denoiser && denoiser == 1) {
|
|
// OIDN (external).
|
|
Ref<DirAccess> da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
|
|
|
|
if (da->dir_exists(oidn_path)) {
|
|
if (OS::get_singleton()->get_name() == "Windows") {
|
|
oidn_path = oidn_path.path_join("oidnDenoise.exe");
|
|
} else {
|
|
oidn_path = oidn_path.path_join("oidnDenoise");
|
|
}
|
|
}
|
|
ERR_FAIL_COND_V_MSG(oidn_path.is_empty() || !da->file_exists(oidn_path), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES, "OIDN denoiser is selected in the project settings, but no or invalid OIDN executable path is configured in the editor settings.");
|
|
}
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.0, RTR("Begin Bake"), p_bake_userdata, true);
|
|
}
|
|
bake_textures.clear();
|
|
int grid_size = 128;
|
|
|
|
/* STEP 1: Fetch material textures and compute the bounds */
|
|
|
|
AABB bounds;
|
|
Size2i atlas_size;
|
|
int atlas_slices;
|
|
Vector<Ref<Image>> albedo_images;
|
|
Vector<Ref<Image>> emission_images;
|
|
|
|
BakeError bake_error = _blit_meshes_into_atlas(p_max_texture_size, p_denoiser_range, albedo_images, emission_images, bounds, atlas_size, atlas_slices, p_step_function, p_bake_userdata);
|
|
if (bake_error != BAKE_OK) {
|
|
return bake_error;
|
|
}
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
albedo_images[i]->save_png("res://0_albedo_" + itos(i) + ".png");
|
|
emission_images[i]->save_png("res://0_emission_" + itos(i) + ".png");
|
|
}
|
|
#endif
|
|
|
|
// Attempt to create a local device by requesting it from rendering server first.
|
|
// If that fails because the current renderer is not implemented on top of RD, we fall back to creating
|
|
// a local rendering device manually depending on the current platform.
|
|
Error err;
|
|
RenderingContextDriver *rcd = nullptr;
|
|
RenderingDevice *rd = RenderingServer::get_singleton()->create_local_rendering_device();
|
|
if (rd == nullptr) {
|
|
#if defined(RD_ENABLED)
|
|
#if defined(VULKAN_ENABLED)
|
|
rcd = memnew(RenderingContextDriverVulkan);
|
|
rd = memnew(RenderingDevice);
|
|
#endif
|
|
#endif
|
|
if (rcd != nullptr && rd != nullptr) {
|
|
err = rcd->initialize();
|
|
if (err == OK) {
|
|
err = rd->initialize(rcd);
|
|
}
|
|
|
|
if (err != OK) {
|
|
memdelete(rd);
|
|
memdelete(rcd);
|
|
rd = nullptr;
|
|
rcd = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
ERR_FAIL_NULL_V(rd, BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
RID albedo_array_tex;
|
|
RID emission_array_tex;
|
|
RID normal_tex;
|
|
RID position_tex;
|
|
RID unocclude_tex;
|
|
RID light_source_tex;
|
|
RID light_dest_tex;
|
|
RID light_accum_tex;
|
|
RID light_accum_tex2;
|
|
RID light_environment_tex;
|
|
|
|
#define FREE_TEXTURES \
|
|
rd->free(albedo_array_tex); \
|
|
rd->free(emission_array_tex); \
|
|
rd->free(normal_tex); \
|
|
rd->free(position_tex); \
|
|
rd->free(unocclude_tex); \
|
|
rd->free(light_source_tex); \
|
|
rd->free(light_accum_tex2); \
|
|
rd->free(light_accum_tex); \
|
|
rd->free(light_environment_tex);
|
|
|
|
{ // create all textures
|
|
|
|
Vector<Vector<uint8_t>> albedo_data;
|
|
Vector<Vector<uint8_t>> emission_data;
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
albedo_data.push_back(albedo_images[i]->get_data());
|
|
emission_data.push_back(emission_images[i]->get_data());
|
|
}
|
|
|
|
RD::TextureFormat tf;
|
|
tf.width = atlas_size.width;
|
|
tf.height = atlas_size.height;
|
|
tf.array_layers = atlas_slices;
|
|
tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY;
|
|
tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_UPDATE_BIT;
|
|
tf.format = RD::DATA_FORMAT_R8G8B8A8_UNORM;
|
|
|
|
albedo_array_tex = rd->texture_create(tf, RD::TextureView(), albedo_data);
|
|
|
|
tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
|
|
|
|
emission_array_tex = rd->texture_create(tf, RD::TextureView(), emission_data);
|
|
|
|
//this will be rastered to
|
|
tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT | RD::TEXTURE_USAGE_STORAGE_BIT;
|
|
normal_tex = rd->texture_create(tf, RD::TextureView());
|
|
tf.format = RD::DATA_FORMAT_R32G32B32A32_SFLOAT;
|
|
position_tex = rd->texture_create(tf, RD::TextureView());
|
|
unocclude_tex = rd->texture_create(tf, RD::TextureView());
|
|
|
|
tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
|
|
tf.usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | RD::TEXTURE_USAGE_CAN_UPDATE_BIT;
|
|
|
|
light_source_tex = rd->texture_create(tf, RD::TextureView());
|
|
rd->texture_clear(light_source_tex, Color(0, 0, 0, 0), 0, 1, 0, atlas_slices);
|
|
|
|
if (p_bake_sh) {
|
|
tf.array_layers *= 4;
|
|
}
|
|
light_accum_tex = rd->texture_create(tf, RD::TextureView());
|
|
rd->texture_clear(light_accum_tex, Color(0, 0, 0, 0), 0, 1, 0, tf.array_layers);
|
|
light_dest_tex = rd->texture_create(tf, RD::TextureView());
|
|
rd->texture_clear(light_dest_tex, Color(0, 0, 0, 0), 0, 1, 0, tf.array_layers);
|
|
light_accum_tex2 = light_dest_tex;
|
|
|
|
//env
|
|
{
|
|
Ref<Image> panorama_tex;
|
|
if (p_environment_panorama.is_valid()) {
|
|
panorama_tex = p_environment_panorama;
|
|
panorama_tex->convert(Image::FORMAT_RGBAF);
|
|
} else {
|
|
panorama_tex.instantiate();
|
|
panorama_tex->initialize_data(8, 8, false, Image::FORMAT_RGBAF);
|
|
panorama_tex->fill(Color(0, 0, 0, 1));
|
|
}
|
|
|
|
RD::TextureFormat tfp;
|
|
tfp.width = panorama_tex->get_width();
|
|
tfp.height = panorama_tex->get_height();
|
|
tfp.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_UPDATE_BIT;
|
|
tfp.format = RD::DATA_FORMAT_R32G32B32A32_SFLOAT;
|
|
|
|
Vector<Vector<uint8_t>> tdata;
|
|
tdata.push_back(panorama_tex->get_data());
|
|
light_environment_tex = rd->texture_create(tfp, RD::TextureView(), tdata);
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
panorama_tex->save_exr("res://0_panorama.exr", false);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/* STEP 2: create the acceleration structure for the GPU*/
|
|
|
|
Vector<int> slice_triangle_count;
|
|
RID bake_parameters_buffer;
|
|
RID vertex_buffer;
|
|
RID triangle_buffer;
|
|
RID lights_buffer;
|
|
RID triangle_indices_buffer;
|
|
RID cluster_indices_buffer;
|
|
RID cluster_aabbs_buffer;
|
|
RID grid_texture;
|
|
RID seams_buffer;
|
|
RID probe_positions_buffer;
|
|
|
|
Vector<int> slice_seam_count;
|
|
|
|
#define FREE_BUFFERS \
|
|
rd->free(bake_parameters_buffer); \
|
|
rd->free(vertex_buffer); \
|
|
rd->free(triangle_buffer); \
|
|
rd->free(lights_buffer); \
|
|
rd->free(triangle_indices_buffer); \
|
|
rd->free(cluster_indices_buffer); \
|
|
rd->free(cluster_aabbs_buffer); \
|
|
rd->free(grid_texture); \
|
|
rd->free(seams_buffer); \
|
|
rd->free(probe_positions_buffer);
|
|
|
|
const uint32_t cluster_size = 16;
|
|
_create_acceleration_structures(rd, atlas_size, atlas_slices, bounds, grid_size, cluster_size, probe_positions, p_generate_probes, slice_triangle_count, slice_seam_count, vertex_buffer, triangle_buffer, lights_buffer, triangle_indices_buffer, cluster_indices_buffer, cluster_aabbs_buffer, probe_positions_buffer, grid_texture, seams_buffer, p_step_function, p_bake_userdata);
|
|
|
|
// Create global bake parameters buffer.
|
|
BakeParameters bake_parameters;
|
|
bake_parameters.world_size[0] = bounds.size.x;
|
|
bake_parameters.world_size[1] = bounds.size.y;
|
|
bake_parameters.world_size[2] = bounds.size.z;
|
|
bake_parameters.bias = p_bias;
|
|
bake_parameters.to_cell_offset[0] = bounds.position.x;
|
|
bake_parameters.to_cell_offset[1] = bounds.position.y;
|
|
bake_parameters.to_cell_offset[2] = bounds.position.z;
|
|
bake_parameters.grid_size = grid_size;
|
|
bake_parameters.to_cell_size[0] = (1.0 / bounds.size.x) * float(grid_size);
|
|
bake_parameters.to_cell_size[1] = (1.0 / bounds.size.y) * float(grid_size);
|
|
bake_parameters.to_cell_size[2] = (1.0 / bounds.size.z) * float(grid_size);
|
|
bake_parameters.light_count = lights.size();
|
|
bake_parameters.env_transform[0] = p_environment_transform.rows[0][0];
|
|
bake_parameters.env_transform[1] = p_environment_transform.rows[1][0];
|
|
bake_parameters.env_transform[2] = p_environment_transform.rows[2][0];
|
|
bake_parameters.env_transform[3] = 0.0f;
|
|
bake_parameters.env_transform[4] = p_environment_transform.rows[0][1];
|
|
bake_parameters.env_transform[5] = p_environment_transform.rows[1][1];
|
|
bake_parameters.env_transform[6] = p_environment_transform.rows[2][1];
|
|
bake_parameters.env_transform[7] = 0.0f;
|
|
bake_parameters.env_transform[8] = p_environment_transform.rows[0][2];
|
|
bake_parameters.env_transform[9] = p_environment_transform.rows[1][2];
|
|
bake_parameters.env_transform[10] = p_environment_transform.rows[2][2];
|
|
bake_parameters.env_transform[11] = 0.0f;
|
|
bake_parameters.atlas_size[0] = atlas_size.width;
|
|
bake_parameters.atlas_size[1] = atlas_size.height;
|
|
bake_parameters.exposure_normalization = p_exposure_normalization;
|
|
bake_parameters.bounces = p_bounces;
|
|
bake_parameters.bounce_indirect_energy = p_bounce_indirect_energy;
|
|
|
|
bake_parameters_buffer = rd->uniform_buffer_create(sizeof(BakeParameters));
|
|
rd->buffer_update(bake_parameters_buffer, 0, sizeof(BakeParameters), &bake_parameters);
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.47, RTR("Preparing shaders"), p_bake_userdata, true);
|
|
}
|
|
|
|
//shaders
|
|
Ref<RDShaderFile> raster_shader;
|
|
raster_shader.instantiate();
|
|
err = raster_shader->parse_versions_from_text(lm_raster_shader_glsl);
|
|
if (err != OK) {
|
|
raster_shader->print_errors("raster_shader");
|
|
|
|
FREE_TEXTURES
|
|
FREE_BUFFERS
|
|
|
|
memdelete(rd);
|
|
|
|
if (rcd != nullptr) {
|
|
memdelete(rcd);
|
|
}
|
|
}
|
|
ERR_FAIL_COND_V(err != OK, BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
RID rasterize_shader = rd->shader_create_from_spirv(raster_shader->get_spirv_stages());
|
|
|
|
ERR_FAIL_COND_V(rasterize_shader.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES); //this is a bug check, though, should not happen
|
|
|
|
RID sampler;
|
|
{
|
|
RD::SamplerState s;
|
|
s.mag_filter = RD::SAMPLER_FILTER_LINEAR;
|
|
s.min_filter = RD::SAMPLER_FILTER_LINEAR;
|
|
s.max_lod = 0;
|
|
|
|
sampler = rd->sampler_create(s);
|
|
}
|
|
|
|
Vector<RD::Uniform> base_uniforms;
|
|
{
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER;
|
|
u.binding = 0;
|
|
u.append_id(bake_parameters_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 1;
|
|
u.append_id(vertex_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 2;
|
|
u.append_id(triangle_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 3;
|
|
u.append_id(triangle_indices_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 4;
|
|
u.append_id(lights_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 5;
|
|
u.append_id(seams_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 6;
|
|
u.append_id(probe_positions_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 7;
|
|
u.append_id(grid_texture);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 8;
|
|
u.append_id(albedo_array_tex);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 9;
|
|
u.append_id(emission_array_tex);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_SAMPLER;
|
|
u.binding = 10;
|
|
u.append_id(sampler);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 11;
|
|
u.append_id(cluster_indices_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 12;
|
|
u.append_id(cluster_aabbs_buffer);
|
|
base_uniforms.push_back(u);
|
|
}
|
|
}
|
|
|
|
RID raster_base_uniform = rd->uniform_set_create(base_uniforms, rasterize_shader, 0);
|
|
RID raster_depth_buffer;
|
|
{
|
|
RD::TextureFormat tf;
|
|
tf.width = atlas_size.width;
|
|
tf.height = atlas_size.height;
|
|
tf.depth = 1;
|
|
tf.texture_type = RD::TEXTURE_TYPE_2D;
|
|
tf.usage_bits = RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
|
|
tf.format = RD::DATA_FORMAT_D32_SFLOAT;
|
|
|
|
raster_depth_buffer = rd->texture_create(tf, RD::TextureView());
|
|
}
|
|
|
|
rd->submit();
|
|
rd->sync();
|
|
|
|
/* STEP 3: Raster the geometry to UV2 coords in the atlas textures GPU*/
|
|
|
|
_raster_geometry(rd, atlas_size, atlas_slices, grid_size, bounds, p_bias, slice_triangle_count, position_tex, unocclude_tex, normal_tex, raster_depth_buffer, rasterize_shader, raster_base_uniform);
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(position_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAF, s);
|
|
img->save_exr("res://1_position_" + itos(i) + ".exr", false);
|
|
|
|
s = rd->texture_get_data(normal_tex, i);
|
|
img->set_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->save_exr("res://1_normal_" + itos(i) + ".exr", false);
|
|
}
|
|
#endif
|
|
|
|
#define FREE_RASTER_RESOURCES \
|
|
rd->free(rasterize_shader); \
|
|
rd->free(sampler); \
|
|
rd->free(raster_depth_buffer);
|
|
|
|
/* Plot direct light */
|
|
|
|
Ref<RDShaderFile> compute_shader;
|
|
String defines = "";
|
|
defines += "\n#define CLUSTER_SIZE " + uitos(cluster_size) + "\n";
|
|
|
|
if (p_bake_sh) {
|
|
defines += "\n#define USE_SH_LIGHTMAPS\n";
|
|
}
|
|
|
|
if (p_texture_for_bounces) {
|
|
defines += "\n#define USE_LIGHT_TEXTURE_FOR_BOUNCES\n";
|
|
}
|
|
|
|
compute_shader.instantiate();
|
|
err = compute_shader->parse_versions_from_text(lm_compute_shader_glsl, defines);
|
|
if (err != OK) {
|
|
FREE_TEXTURES
|
|
FREE_BUFFERS
|
|
FREE_RASTER_RESOURCES
|
|
memdelete(rd);
|
|
|
|
if (rcd != nullptr) {
|
|
memdelete(rcd);
|
|
}
|
|
|
|
compute_shader->print_errors("compute_shader");
|
|
}
|
|
ERR_FAIL_COND_V(err != OK, BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
// Unoccluder
|
|
RID compute_shader_unocclude = rd->shader_create_from_spirv(compute_shader->get_spirv_stages("unocclude"));
|
|
ERR_FAIL_COND_V(compute_shader_unocclude.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES); // internal check, should not happen
|
|
RID compute_shader_unocclude_pipeline = rd->compute_pipeline_create(compute_shader_unocclude);
|
|
|
|
// Direct light
|
|
RID compute_shader_primary = rd->shader_create_from_spirv(compute_shader->get_spirv_stages("primary"));
|
|
ERR_FAIL_COND_V(compute_shader_primary.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES); // internal check, should not happen
|
|
RID compute_shader_primary_pipeline = rd->compute_pipeline_create(compute_shader_primary);
|
|
|
|
// Indirect light
|
|
RID compute_shader_secondary = rd->shader_create_from_spirv(compute_shader->get_spirv_stages("secondary"));
|
|
ERR_FAIL_COND_V(compute_shader_secondary.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES); //internal check, should not happen
|
|
RID compute_shader_secondary_pipeline = rd->compute_pipeline_create(compute_shader_secondary);
|
|
|
|
// Light probes
|
|
RID compute_shader_light_probes = rd->shader_create_from_spirv(compute_shader->get_spirv_stages("light_probes"));
|
|
ERR_FAIL_COND_V(compute_shader_light_probes.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES); //internal check, should not happen
|
|
RID compute_shader_light_probes_pipeline = rd->compute_pipeline_create(compute_shader_light_probes);
|
|
|
|
RID compute_base_uniform_set = rd->uniform_set_create(base_uniforms, compute_shader_primary, 0);
|
|
|
|
#define FREE_COMPUTE_RESOURCES \
|
|
rd->free(compute_shader_unocclude); \
|
|
rd->free(compute_shader_primary); \
|
|
rd->free(compute_shader_secondary); \
|
|
rd->free(compute_shader_light_probes);
|
|
|
|
Vector3i group_size(Math::division_round_up(atlas_size.x, 8), Math::division_round_up(atlas_size.y, 8), 1);
|
|
rd->submit();
|
|
rd->sync();
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.49, RTR("Un-occluding geometry"), p_bake_userdata, true);
|
|
}
|
|
|
|
PushConstant push_constant;
|
|
|
|
/* UNOCCLUDE */
|
|
{
|
|
Vector<RD::Uniform> uniforms;
|
|
{
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 0;
|
|
u.append_id(position_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 1;
|
|
u.append_id(unocclude_tex); //will be unused
|
|
uniforms.push_back(u);
|
|
}
|
|
}
|
|
|
|
RID unocclude_uniform_set = rd->uniform_set_create(uniforms, compute_shader_unocclude, 1);
|
|
|
|
RD::ComputeListID compute_list = rd->compute_list_begin();
|
|
rd->compute_list_bind_compute_pipeline(compute_list, compute_shader_unocclude_pipeline);
|
|
rd->compute_list_bind_uniform_set(compute_list, compute_base_uniform_set, 0);
|
|
rd->compute_list_bind_uniform_set(compute_list, unocclude_uniform_set, 1);
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
push_constant.atlas_slice = i;
|
|
rd->compute_list_set_push_constant(compute_list, &push_constant, sizeof(PushConstant));
|
|
rd->compute_list_dispatch(compute_list, group_size.x, group_size.y, group_size.z);
|
|
//no barrier, let them run all together
|
|
}
|
|
rd->compute_list_end(); //done
|
|
}
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.5, RTR("Plot direct lighting"), p_bake_userdata, true);
|
|
}
|
|
|
|
// Set ray count to the quality used for direct light and bounces.
|
|
switch (p_quality) {
|
|
case BAKE_QUALITY_LOW: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/low_quality_ray_count");
|
|
} break;
|
|
case BAKE_QUALITY_MEDIUM: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/medium_quality_ray_count");
|
|
} break;
|
|
case BAKE_QUALITY_HIGH: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/high_quality_ray_count");
|
|
} break;
|
|
case BAKE_QUALITY_ULTRA: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/ultra_quality_ray_count");
|
|
} break;
|
|
}
|
|
|
|
push_constant.ray_count = CLAMP(push_constant.ray_count, 16u, 8192u);
|
|
|
|
/* PRIMARY (direct) LIGHT PASS */
|
|
{
|
|
Vector<RD::Uniform> uniforms;
|
|
{
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 0;
|
|
u.append_id(light_source_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 1;
|
|
u.append_id(light_dest_tex); //will be unused
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 2;
|
|
u.append_id(position_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 3;
|
|
u.append_id(normal_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 4;
|
|
u.append_id(light_accum_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
}
|
|
|
|
RID light_uniform_set = rd->uniform_set_create(uniforms, compute_shader_primary, 1);
|
|
|
|
RD::ComputeListID compute_list = rd->compute_list_begin();
|
|
rd->compute_list_bind_compute_pipeline(compute_list, compute_shader_primary_pipeline);
|
|
rd->compute_list_bind_uniform_set(compute_list, compute_base_uniform_set, 0);
|
|
rd->compute_list_bind_uniform_set(compute_list, light_uniform_set, 1);
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
push_constant.atlas_slice = i;
|
|
rd->compute_list_set_push_constant(compute_list, &push_constant, sizeof(PushConstant));
|
|
rd->compute_list_dispatch(compute_list, group_size.x, group_size.y, group_size.z);
|
|
//no barrier, let them run all together
|
|
}
|
|
rd->compute_list_end(); //done
|
|
}
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(light_source_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->save_exr("res://2_light_primary_" + itos(i) + ".exr", false);
|
|
}
|
|
|
|
if (p_bake_sh) {
|
|
for (int i = 0; i < atlas_slices * 4; i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(light_accum_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->save_exr("res://2_light_primary_accum_" + itos(i) + ".exr", false);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* SECONDARY (indirect) LIGHT PASS(ES) */
|
|
|
|
if (p_bounces > 0) {
|
|
Vector<RD::Uniform> uniforms;
|
|
{
|
|
{
|
|
// Unused.
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 0;
|
|
u.append_id(light_dest_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 1;
|
|
u.append_id(light_source_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 2;
|
|
u.append_id(position_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 3;
|
|
u.append_id(normal_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
|
|
u.binding = 4;
|
|
u.append_id(light_accum_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 5;
|
|
u.append_id(light_environment_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
}
|
|
|
|
RID secondary_uniform_set;
|
|
secondary_uniform_set = rd->uniform_set_create(uniforms, compute_shader_secondary, 1);
|
|
|
|
int max_region_size = nearest_power_of_2_templated(int(GLOBAL_GET("rendering/lightmapping/bake_performance/region_size")));
|
|
int max_rays = GLOBAL_GET("rendering/lightmapping/bake_performance/max_rays_per_pass");
|
|
|
|
int x_regions = Math::division_round_up(atlas_size.width, max_region_size);
|
|
int y_regions = Math::division_round_up(atlas_size.height, max_region_size);
|
|
|
|
int ray_iterations = Math::division_round_up((int32_t)push_constant.ray_count, max_rays);
|
|
|
|
rd->submit();
|
|
rd->sync();
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.6, RTR("Integrate indirect lighting"), p_bake_userdata, true);
|
|
}
|
|
|
|
int count = 0;
|
|
for (int s = 0; s < atlas_slices; s++) {
|
|
push_constant.atlas_slice = s;
|
|
|
|
for (int i = 0; i < x_regions; i++) {
|
|
for (int j = 0; j < y_regions; j++) {
|
|
int x = i * max_region_size;
|
|
int y = j * max_region_size;
|
|
int w = MIN((i + 1) * max_region_size, atlas_size.width) - x;
|
|
int h = MIN((j + 1) * max_region_size, atlas_size.height) - y;
|
|
|
|
push_constant.region_ofs[0] = x;
|
|
push_constant.region_ofs[1] = y;
|
|
|
|
group_size = Vector3i(Math::division_round_up(w, 8), Math::division_round_up(h, 8), 1);
|
|
|
|
for (int k = 0; k < ray_iterations; k++) {
|
|
RD::ComputeListID compute_list = rd->compute_list_begin();
|
|
rd->compute_list_bind_compute_pipeline(compute_list, compute_shader_secondary_pipeline);
|
|
rd->compute_list_bind_uniform_set(compute_list, compute_base_uniform_set, 0);
|
|
rd->compute_list_bind_uniform_set(compute_list, secondary_uniform_set, 1);
|
|
|
|
push_constant.ray_from = k * max_rays;
|
|
push_constant.ray_to = MIN((k + 1) * max_rays, int32_t(push_constant.ray_count));
|
|
rd->compute_list_set_push_constant(compute_list, &push_constant, sizeof(PushConstant));
|
|
rd->compute_list_dispatch(compute_list, group_size.x, group_size.y, group_size.z);
|
|
|
|
rd->compute_list_end();
|
|
rd->submit();
|
|
rd->sync();
|
|
|
|
count++;
|
|
if (p_step_function) {
|
|
int total = (atlas_slices * x_regions * y_regions * ray_iterations);
|
|
int percent = count * 100 / total;
|
|
float p = float(count) / total * 0.1;
|
|
p_step_function(0.6 + p, vformat(RTR("Integrate indirect lighting %d%%"), percent), p_bake_userdata, false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* LIGHTPROBES */
|
|
|
|
RID light_probe_buffer;
|
|
|
|
if (probe_positions.size()) {
|
|
light_probe_buffer = rd->storage_buffer_create(sizeof(float) * 4 * 9 * probe_positions.size());
|
|
|
|
if (p_step_function) {
|
|
p_step_function(0.7, RTR("Baking lightprobes"), p_bake_userdata, true);
|
|
}
|
|
|
|
Vector<RD::Uniform> uniforms;
|
|
{
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
|
|
u.binding = 0;
|
|
u.append_id(light_probe_buffer);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 1;
|
|
u.append_id(light_source_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 2;
|
|
u.append_id(light_environment_tex);
|
|
uniforms.push_back(u);
|
|
}
|
|
}
|
|
RID light_probe_uniform_set = rd->uniform_set_create(uniforms, compute_shader_light_probes, 1);
|
|
|
|
switch (p_quality) {
|
|
case BAKE_QUALITY_LOW: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/low_quality_probe_ray_count");
|
|
} break;
|
|
case BAKE_QUALITY_MEDIUM: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/medium_quality_probe_ray_count");
|
|
} break;
|
|
case BAKE_QUALITY_HIGH: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/high_quality_probe_ray_count");
|
|
} break;
|
|
case BAKE_QUALITY_ULTRA: {
|
|
push_constant.ray_count = GLOBAL_GET("rendering/lightmapping/bake_quality/ultra_quality_probe_ray_count");
|
|
} break;
|
|
}
|
|
|
|
push_constant.ray_count = CLAMP(push_constant.ray_count, 16u, 8192u);
|
|
push_constant.probe_count = probe_positions.size();
|
|
|
|
int max_rays = GLOBAL_GET("rendering/lightmapping/bake_performance/max_rays_per_probe_pass");
|
|
int ray_iterations = Math::division_round_up((int32_t)push_constant.ray_count, max_rays);
|
|
|
|
for (int i = 0; i < ray_iterations; i++) {
|
|
RD::ComputeListID compute_list = rd->compute_list_begin();
|
|
rd->compute_list_bind_compute_pipeline(compute_list, compute_shader_light_probes_pipeline);
|
|
rd->compute_list_bind_uniform_set(compute_list, compute_base_uniform_set, 0);
|
|
rd->compute_list_bind_uniform_set(compute_list, light_probe_uniform_set, 1);
|
|
|
|
push_constant.ray_from = i * max_rays;
|
|
push_constant.ray_to = MIN((i + 1) * max_rays, int32_t(push_constant.ray_count));
|
|
rd->compute_list_set_push_constant(compute_list, &push_constant, sizeof(PushConstant));
|
|
rd->compute_list_dispatch(compute_list, Math::division_round_up((int)probe_positions.size(), 64), 1, 1);
|
|
|
|
rd->compute_list_end(); //done
|
|
rd->submit();
|
|
rd->sync();
|
|
|
|
if (p_step_function) {
|
|
int percent = i * 100 / ray_iterations;
|
|
float p = float(i) / ray_iterations * 0.1;
|
|
p_step_function(0.7 + p, vformat(RTR("Integrating light probes %d%%"), percent), p_bake_userdata, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
for (int i = 0; i < probe_positions.size(); i++) {
|
|
Ref<Image> img = Image::create_empty(6, 4, false, Image::FORMAT_RGB8);
|
|
for (int j = 0; j < 6; j++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(lightprobe_tex, i * 6 + j);
|
|
Ref<Image> img2 = Image::create_from_data(2, 2, false, Image::FORMAT_RGBAF, s);
|
|
img2->convert(Image::FORMAT_RGB8);
|
|
img->blit_rect(img2, Rect2i(0, 0, 2, 2), Point2i((j % 3) * 2, (j / 3) * 2));
|
|
}
|
|
img->save_png("res://3_light_probe_" + itos(i) + ".png");
|
|
}
|
|
#endif
|
|
|
|
/* DENOISE */
|
|
|
|
if (p_use_denoiser) {
|
|
if (p_step_function) {
|
|
p_step_function(0.8, RTR("Denoising"), p_bake_userdata, true);
|
|
}
|
|
|
|
{
|
|
BakeError error;
|
|
if (denoiser == 1) {
|
|
// OIDN (external).
|
|
error = _denoise_oidn(rd, light_accum_tex, normal_tex, light_accum_tex, atlas_size, atlas_slices, p_bake_sh, oidn_path);
|
|
} else {
|
|
// JNLM (built-in).
|
|
SWAP(light_accum_tex, light_accum_tex2);
|
|
error = _denoise(rd, compute_shader, compute_base_uniform_set, push_constant, light_accum_tex2, normal_tex, light_accum_tex, p_denoiser_strength, p_denoiser_range, atlas_size, atlas_slices, p_bake_sh, p_step_function, p_bake_userdata);
|
|
}
|
|
if (unlikely(error != BAKE_OK)) {
|
|
return error;
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
SWAP(light_accum_tex, light_accum_tex2);
|
|
BakeError error = _dilate(rd, compute_shader, compute_base_uniform_set, push_constant, light_accum_tex2, light_accum_tex, atlas_size, atlas_slices * (p_bake_sh ? 4 : 1));
|
|
if (unlikely(error != BAKE_OK)) {
|
|
return error;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
|
|
for (int i = 0; i < atlas_slices * (p_bake_sh ? 4 : 1); i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(light_accum_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->save_exr("res://4_light_secondary_" + itos(i) + ".exr", false);
|
|
}
|
|
#endif
|
|
|
|
/* BLEND SEAMS */
|
|
//shaders
|
|
Ref<RDShaderFile> blendseams_shader;
|
|
blendseams_shader.instantiate();
|
|
err = blendseams_shader->parse_versions_from_text(lm_blendseams_shader_glsl);
|
|
if (err != OK) {
|
|
FREE_TEXTURES
|
|
FREE_BUFFERS
|
|
FREE_RASTER_RESOURCES
|
|
FREE_COMPUTE_RESOURCES
|
|
memdelete(rd);
|
|
|
|
if (rcd != nullptr) {
|
|
memdelete(rcd);
|
|
}
|
|
|
|
blendseams_shader->print_errors("blendseams_shader");
|
|
}
|
|
ERR_FAIL_COND_V(err != OK, BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
RID blendseams_line_raster_shader = rd->shader_create_from_spirv(blendseams_shader->get_spirv_stages("lines"));
|
|
|
|
ERR_FAIL_COND_V(blendseams_line_raster_shader.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
RID blendseams_triangle_raster_shader = rd->shader_create_from_spirv(blendseams_shader->get_spirv_stages("triangles"));
|
|
|
|
ERR_FAIL_COND_V(blendseams_triangle_raster_shader.is_null(), BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES);
|
|
|
|
#define FREE_BLENDSEAMS_RESOURCES \
|
|
rd->free(blendseams_line_raster_shader); \
|
|
rd->free(blendseams_triangle_raster_shader);
|
|
|
|
{
|
|
//pre copy
|
|
for (int i = 0; i < atlas_slices * (p_bake_sh ? 4 : 1); i++) {
|
|
rd->texture_copy(light_accum_tex, light_accum_tex2, Vector3(), Vector3(), Vector3(atlas_size.width, atlas_size.height, 1), 0, 0, i, i);
|
|
}
|
|
|
|
Vector<RID> framebuffers;
|
|
for (int i = 0; i < atlas_slices * (p_bake_sh ? 4 : 1); i++) {
|
|
RID slice_tex = rd->texture_create_shared_from_slice(RD::TextureView(), light_accum_tex, i, 0);
|
|
Vector<RID> fb;
|
|
fb.push_back(slice_tex);
|
|
fb.push_back(raster_depth_buffer);
|
|
framebuffers.push_back(rd->framebuffer_create(fb));
|
|
}
|
|
|
|
Vector<RD::Uniform> uniforms;
|
|
{
|
|
{
|
|
RD::Uniform u;
|
|
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
|
|
u.binding = 0;
|
|
u.append_id(light_accum_tex2);
|
|
uniforms.push_back(u);
|
|
}
|
|
}
|
|
|
|
RID blendseams_raster_uniform = rd->uniform_set_create(uniforms, blendseams_line_raster_shader, 1);
|
|
|
|
bool debug = false;
|
|
RD::PipelineColorBlendState bs = RD::PipelineColorBlendState::create_blend(1);
|
|
bs.attachments.write[0].src_alpha_blend_factor = RD::BLEND_FACTOR_ZERO;
|
|
bs.attachments.write[0].dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE;
|
|
|
|
RD::PipelineDepthStencilState ds;
|
|
ds.enable_depth_test = true;
|
|
ds.enable_depth_write = true;
|
|
ds.depth_compare_operator = RD::COMPARE_OP_LESS; //so it does not render same pixel twice, this avoids wrong blending
|
|
|
|
RID blendseams_line_raster_pipeline = rd->render_pipeline_create(blendseams_line_raster_shader, rd->framebuffer_get_format(framebuffers[0]), RD::INVALID_FORMAT_ID, RD::RENDER_PRIMITIVE_LINES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), ds, bs, 0);
|
|
RID blendseams_triangle_raster_pipeline = rd->render_pipeline_create(blendseams_triangle_raster_shader, rd->framebuffer_get_format(framebuffers[0]), RD::INVALID_FORMAT_ID, RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), ds, bs, 0);
|
|
|
|
uint32_t seam_offset = 0;
|
|
uint32_t triangle_offset = 0;
|
|
|
|
Vector<Color> clear_colors;
|
|
clear_colors.push_back(Color(0, 0, 0, 1));
|
|
for (int i = 0; i < atlas_slices; i++) {
|
|
int subslices = (p_bake_sh ? 4 : 1);
|
|
|
|
if (slice_seam_count[i] == 0) {
|
|
continue;
|
|
}
|
|
|
|
for (int k = 0; k < subslices; k++) {
|
|
RasterSeamsPushConstant seams_push_constant;
|
|
seams_push_constant.slice = uint32_t(i * subslices + k);
|
|
seams_push_constant.debug = debug;
|
|
|
|
// Store the current subslice in the breadcrumb.
|
|
RD::DrawListID draw_list = rd->draw_list_begin(framebuffers[i * subslices + k], RD::INITIAL_ACTION_LOAD, RD::FINAL_ACTION_STORE, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, clear_colors, 1.0, 0, Rect2(), RDD::BreadcrumbMarker::LIGHTMAPPER_PASS | seams_push_constant.slice);
|
|
|
|
rd->draw_list_bind_uniform_set(draw_list, raster_base_uniform, 0);
|
|
rd->draw_list_bind_uniform_set(draw_list, blendseams_raster_uniform, 1);
|
|
|
|
const int uv_offset_count = 9;
|
|
static const Vector3 uv_offsets[uv_offset_count] = {
|
|
Vector3(0, 0, 0.5), //using zbuffer, so go inwards-outwards
|
|
Vector3(0, 1, 0.2),
|
|
Vector3(0, -1, 0.2),
|
|
Vector3(1, 0, 0.2),
|
|
Vector3(-1, 0, 0.2),
|
|
Vector3(-1, -1, 0.1),
|
|
Vector3(1, -1, 0.1),
|
|
Vector3(1, 1, 0.1),
|
|
Vector3(-1, 1, 0.1),
|
|
};
|
|
|
|
/* step 1 use lines to blend the edges */
|
|
{
|
|
seams_push_constant.base_index = seam_offset;
|
|
rd->draw_list_bind_render_pipeline(draw_list, blendseams_line_raster_pipeline);
|
|
seams_push_constant.uv_offset[0] = (uv_offsets[0].x - 0.5f) / float(atlas_size.width);
|
|
seams_push_constant.uv_offset[1] = (uv_offsets[0].y - 0.5f) / float(atlas_size.height);
|
|
seams_push_constant.blend = uv_offsets[0].z;
|
|
|
|
rd->draw_list_set_push_constant(draw_list, &seams_push_constant, sizeof(RasterSeamsPushConstant));
|
|
rd->draw_list_draw(draw_list, false, 1, slice_seam_count[i] * 4);
|
|
}
|
|
|
|
/* step 2 use triangles to mask the interior */
|
|
|
|
{
|
|
seams_push_constant.base_index = triangle_offset;
|
|
rd->draw_list_bind_render_pipeline(draw_list, blendseams_triangle_raster_pipeline);
|
|
seams_push_constant.blend = 0; //do not draw them, just fill the z-buffer so its used as a mask
|
|
|
|
rd->draw_list_set_push_constant(draw_list, &seams_push_constant, sizeof(RasterSeamsPushConstant));
|
|
rd->draw_list_draw(draw_list, false, 1, slice_triangle_count[i] * 3);
|
|
}
|
|
/* step 3 blend around the triangle */
|
|
|
|
rd->draw_list_bind_render_pipeline(draw_list, blendseams_line_raster_pipeline);
|
|
|
|
for (int j = 1; j < uv_offset_count; j++) {
|
|
seams_push_constant.base_index = seam_offset;
|
|
seams_push_constant.uv_offset[0] = (uv_offsets[j].x - 0.5f) / float(atlas_size.width);
|
|
seams_push_constant.uv_offset[1] = (uv_offsets[j].y - 0.5f) / float(atlas_size.height);
|
|
seams_push_constant.blend = uv_offsets[0].z;
|
|
|
|
rd->draw_list_set_push_constant(draw_list, &seams_push_constant, sizeof(RasterSeamsPushConstant));
|
|
rd->draw_list_draw(draw_list, false, 1, slice_seam_count[i] * 4);
|
|
}
|
|
rd->draw_list_end();
|
|
}
|
|
seam_offset += slice_seam_count[i];
|
|
triangle_offset += slice_triangle_count[i];
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
|
|
for (int i = 0; i < atlas_slices * (p_bake_sh ? 4 : 1); i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(light_accum_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->save_exr("res://5_blendseams" + itos(i) + ".exr", false);
|
|
}
|
|
#endif
|
|
if (p_step_function) {
|
|
p_step_function(0.9, RTR("Retrieving textures"), p_bake_userdata, true);
|
|
}
|
|
|
|
for (int i = 0; i < atlas_slices * (p_bake_sh ? 4 : 1); i++) {
|
|
Vector<uint8_t> s = rd->texture_get_data(light_accum_tex, i);
|
|
Ref<Image> img = Image::create_from_data(atlas_size.width, atlas_size.height, false, Image::FORMAT_RGBAH, s);
|
|
img->convert(Image::FORMAT_RGBH); //remove alpha
|
|
bake_textures.push_back(img);
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|
}
|
|
|
|
if (probe_positions.size() > 0) {
|
|
probe_values.resize(probe_positions.size() * 9);
|
|
Vector<uint8_t> probe_data = rd->buffer_get_data(light_probe_buffer);
|
|
memcpy(probe_values.ptrw(), probe_data.ptr(), probe_data.size());
|
|
rd->free(light_probe_buffer);
|
|
|
|
#ifdef DEBUG_TEXTURES
|
|
{
|
|
Ref<Image> img2 = Image::create_from_data(probe_values.size(), 1, false, Image::FORMAT_RGBAF, probe_data);
|
|
img2->save_exr("res://6_lightprobes.exr", false);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
FREE_TEXTURES
|
|
FREE_BUFFERS
|
|
FREE_RASTER_RESOURCES
|
|
FREE_COMPUTE_RESOURCES
|
|
FREE_BLENDSEAMS_RESOURCES
|
|
|
|
memdelete(rd);
|
|
|
|
if (rcd != nullptr) {
|
|
memdelete(rcd);
|
|
}
|
|
|
|
return BAKE_OK;
|
|
}
|
|
|
|
int LightmapperRD::get_bake_texture_count() const {
|
|
return bake_textures.size();
|
|
}
|
|
|
|
Ref<Image> LightmapperRD::get_bake_texture(int p_index) const {
|
|
ERR_FAIL_INDEX_V(p_index, bake_textures.size(), Ref<Image>());
|
|
return bake_textures[p_index];
|
|
}
|
|
|
|
int LightmapperRD::get_bake_mesh_count() const {
|
|
return mesh_instances.size();
|
|
}
|
|
|
|
Variant LightmapperRD::get_bake_mesh_userdata(int p_index) const {
|
|
ERR_FAIL_INDEX_V(p_index, mesh_instances.size(), Variant());
|
|
return mesh_instances[p_index].data.userdata;
|
|
}
|
|
|
|
Rect2 LightmapperRD::get_bake_mesh_uv_scale(int p_index) const {
|
|
ERR_FAIL_COND_V(bake_textures.is_empty(), Rect2());
|
|
Rect2 uv_ofs;
|
|
Vector2 atlas_size = Vector2(bake_textures[0]->get_width(), bake_textures[0]->get_height());
|
|
uv_ofs.position = Vector2(mesh_instances[p_index].offset) / atlas_size;
|
|
uv_ofs.size = Vector2(mesh_instances[p_index].data.albedo_on_uv2->get_width(), mesh_instances[p_index].data.albedo_on_uv2->get_height()) / atlas_size;
|
|
return uv_ofs;
|
|
}
|
|
|
|
int LightmapperRD::get_bake_mesh_texture_slice(int p_index) const {
|
|
ERR_FAIL_INDEX_V(p_index, mesh_instances.size(), Variant());
|
|
return mesh_instances[p_index].slice;
|
|
}
|
|
|
|
int LightmapperRD::get_bake_probe_count() const {
|
|
return probe_positions.size();
|
|
}
|
|
|
|
Vector3 LightmapperRD::get_bake_probe_point(int p_probe) const {
|
|
ERR_FAIL_INDEX_V(p_probe, probe_positions.size(), Variant());
|
|
return Vector3(probe_positions[p_probe].position[0], probe_positions[p_probe].position[1], probe_positions[p_probe].position[2]);
|
|
}
|
|
|
|
Vector<Color> LightmapperRD::get_bake_probe_sh(int p_probe) const {
|
|
ERR_FAIL_INDEX_V(p_probe, probe_positions.size(), Vector<Color>());
|
|
Vector<Color> ret;
|
|
ret.resize(9);
|
|
memcpy(ret.ptrw(), &probe_values[p_probe * 9], sizeof(Color) * 9);
|
|
return ret;
|
|
}
|
|
|
|
LightmapperRD::LightmapperRD() {
|
|
}
|