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Added back the lightmapper_cpu module.

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Relintai 2024-07-15 21:54:47 +02:00
parent a310ae5238
commit 58f90386c9
6 changed files with 2018 additions and 0 deletions
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9
editor_modules/lightmapper_cpu/SCsub Normal file
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#!/usr/bin/env python
Import("env")
Import("env_modules")
env_lightmapper_rd = env_modules.Clone()
# Godot source files
env_lightmapper_rd.Prepend(CPPPATH=["#editor_modules/raycast/embree/include"])
env_lightmapper_rd.add_source_files(env.modules_sources, "*.cpp")

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editor_modules/lightmapper_cpu/config.py Normal file
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def can_build(env, platform):
if not env["tools"] or not env["module_raycast_enabled"]:
return False
# Depends on raycast module (embree), but we can't have access to the result of
# `can_build()` for that module, so we need to duplicate that code as a short-term
# solution.
if platform == "android":
return env["android_arch"] in ["arm64v8", "x86_64"]
if platform in ["javascript", "server"]:
return False
if env["bits"] == "32":
return False
return True
def configure(env):
pass

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editor_modules/lightmapper_cpu/lightmapper_cpu.cpp Normal file
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188
editor_modules/lightmapper_cpu/lightmapper_cpu.h Normal file
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/**************************************************************************/
/* lightmapper_cpu.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef LIGHTMAPPER_CPU_H
#define LIGHTMAPPER_CPU_H
#include "core/containers/local_vector.h"
#include "scene/3d/lightmapper.h"
#include "scene/resources/mesh/mesh.h"
#include "scene/resources/mesh/surface_tool.h"
#include <atomic>
class LightmapperCPU : public Lightmapper {
GDCLASS(LightmapperCPU, Lightmapper)
struct MeshInstance {
MeshData data;
int slice = 0;
Vector2i offset;
Vector2i size;
bool cast_shadows;
bool generate_lightmap;
String node_name;
};
struct Light {
Vector3 position;
uint32_t type = LIGHT_TYPE_DIRECTIONAL;
Vector3 direction;
float energy;
float indirect_multiplier;
Color color;
float range;
float attenuation;
float spot_angle;
float spot_attenuation;
float size;
bool bake_direct;
};
struct LightmapTexel {
Vector3 albedo;
float alpha;
Vector3 emission;
Vector3 pos;
Vector3 normal;
Vector3 direct_light;
Vector3 output_light;
float area_coverage;
};
struct BakeParams {
float bias;
int bounces;
float bounce_indirect_energy;
int samples;
bool use_denoiser = true;
bool use_physical_light_attenuation = false;
Ref<Image> environment_panorama;
Basis environment_transform;
};
struct UVSeam {
Vector2 edge0[2];
Vector2 edge1[2];
};
struct SeamEdge {
Vector3 pos[2];
Vector3 normal[2];
Vector2 uv[2];
_FORCE_INLINE_ bool operator<(const SeamEdge &p_edge) const {
return pos[0].x < p_edge.pos[0].x;
}
};
struct AtlasOffset {
int slice;
int x;
int y;
};
struct ThreadData;
typedef void (LightmapperCPU::*BakeThreadFunc)(uint32_t, void *);
struct ThreadData {
LightmapperCPU *instance;
uint32_t count;
BakeThreadFunc thread_func;
void *userdata;
};
BakeParams parameters;
LocalVector<Ref<Image>> bake_textures;
RBMap<RID, Ref<Image>> albedo_textures;
RBMap<RID, Ref<Image>> emission_textures;
LocalVector<MeshInstance> mesh_instances;
LocalVector<Light> lights;
LocalVector<LocalVector<LightmapTexel>> scene_lightmaps;
LocalVector<LocalVector<int>> scene_lightmap_indices;
RBSet<int> no_shadow_meshes;
std::atomic<uint32_t> thread_progress;
std::atomic<bool> thread_cancelled;
Ref<LightmapRaycaster> raycaster;
Error _layout_atlas(int p_max_size, Vector2i *r_atlas_size, int *r_atlas_slices);
static void _thread_func_callback(void *p_thread_data);
void _thread_func_wrapper(uint32_t p_idx, ThreadData *p_thread_data);
bool _parallel_run(int p_count, const String &p_description, BakeThreadFunc p_thread_func, void *p_userdata, BakeStepFunc p_substep_func = nullptr);
void _generate_buffer(uint32_t p_idx, void *p_unused);
Ref<Image> _init_bake_texture(const MeshData::TextureDef &p_texture_def, const RBMap<RID, Ref<Image>> &p_tex_cache, Image::Format p_default_format);
Color _bilinear_sample(const Ref<Image> &p_img, const Vector2 &p_uv, bool p_clamp_x = false, bool p_clamp_y = false);
Vector3 _fix_sample_position(const Vector3 &p_position, const Vector3 &p_texel_center, const Vector3 &p_normal, const Vector3 &p_tangent, const Vector3 &p_bitangent, const Vector2 &p_texel_size);
void _plot_triangle(const Vector2 *p_vertices, const Vector3 *p_positions, const Vector3 *p_normals, const Vector2 *p_uvs, const Ref<Image> &p_albedo_texture, const Ref<Image> &p_emission_texture, Vector2i p_size, LocalVector<LightmapTexel> &r_texels, LocalVector<int> &r_lightmap_indices);
float _get_omni_attenuation(float distance, float inv_range, float decay) const;
void _compute_direct_light(uint32_t p_idx, void *r_lightmap);
void _compute_indirect_light(uint32_t p_idx, void *r_lightmap);
void _post_process(uint32_t p_idx, void *r_output);
void _compute_seams(const MeshInstance &p_mesh, LocalVector<UVSeam> &r_seams);
void _fix_seams(const LocalVector<UVSeam> &p_seams, Vector3 *r_lightmap, Vector2i p_size);
void _fix_seam(const Vector2 &p_pos0, const Vector2 &p_pos1, const Vector2 &p_uv0, const Vector2 &p_uv1, const Vector3 *p_read_buffer, Vector3 *r_write_buffer, const Vector2i &p_size);
void _dilate_lightmap(Vector3 *r_lightmap, const LocalVector<int> p_indices, Vector2i p_size, int margin);
void _blit_lightmap(const Vector<Vector3> &p_src, const Vector2i &p_size, Ref<Image> &p_dst, int p_x, int p_y, bool p_with_padding);
public:
virtual void add_albedo_texture(Ref<Texture> p_texture);
virtual void add_emission_texture(Ref<Texture> p_texture);
virtual void add_mesh(const MeshData &p_mesh, Vector2i p_size);
virtual void add_directional_light(bool p_bake_direct, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_indirect_multiplier, float p_size);
virtual void add_omni_light(bool p_bake_direct, const Vector3 &p_position, const Color &p_color, float p_energy, float p_indirect_multiplier, float p_range, float p_attenuation, float p_size);
virtual void add_spot_light(bool p_bake_direct, const Vector3 &p_position, const Vector3 p_direction, const Color &p_color, float p_energy, float p_indirect_multiplier, float p_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size);
virtual BakeError bake(BakeQuality p_quality, bool p_use_denoiser, int p_bounces, float p_bounce_energy, float p_bias, bool p_generate_atlas, int p_max_texture_size, const Ref<Image> &p_environment_panorama, const Basis &p_environment_transform, BakeStepFunc p_step_function = nullptr, void *p_bake_userdata = nullptr, BakeStepFunc p_substep_function = nullptr);
int get_bake_texture_count() const;
Ref<Image> get_bake_texture(int p_index) const;
int get_bake_mesh_count() const;
Variant get_bake_mesh_userdata(int p_index) const;
Rect2 get_bake_mesh_uv_scale(int p_index) const;
int get_bake_mesh_texture_slice(int p_index) const;
LightmapperCPU();
};
#endif // LIGHTMAPPER_CPU_H

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editor_modules/lightmapper_cpu/register_types.cpp Normal file
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/**************************************************************************/
/* register_types.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "register_types.h"
#include "core/config/project_settings.h"
#include "lightmapper_cpu.h"
#include "scene/3d/lightmapper.h"
#ifndef _3D_DISABLED
static Lightmapper *create_lightmapper_cpu() {
return memnew(LightmapperCPU);
}
#endif
void register_lightmapper_cpu_types(ModuleRegistrationLevel p_level) {
GLOBAL_DEF("rendering/cpu_lightmapper/quality/low_quality_ray_count", 64);
GLOBAL_DEF("rendering/cpu_lightmapper/quality/medium_quality_ray_count", 256);
GLOBAL_DEF("rendering/cpu_lightmapper/quality/high_quality_ray_count", 512);
GLOBAL_DEF("rendering/cpu_lightmapper/quality/ultra_quality_ray_count", 1024);
#ifndef _3D_DISABLED
Lightmapper::create_cpu = create_lightmapper_cpu;
#endif
}
void unregister_lightmapper_cpu_types(ModuleRegistrationLevel p_level) {
}

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editor_modules/lightmapper_cpu/register_types.h Normal file
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/**************************************************************************/
/* register_types.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef LIGHTMAPPER_CPU_REGISTER_TYPES_H
#define LIGHTMAPPER_CPU_REGISTER_TYPES_H
#include "modules/register_module_types.h"
void register_lightmapper_cpu_types(ModuleRegistrationLevel p_level);
void unregister_lightmapper_cpu_types(ModuleRegistrationLevel p_level);
#endif // LIGHTMAPPER_CPU_REGISTER_TYPES_H