summaryrefslogtreecommitdiff
path: root/modules/lightmapper_rd
diff options
context:
space:
mode:
Diffstat (limited to 'modules/lightmapper_rd')
-rw-r--r--modules/lightmapper_rd/SCsub4
-rw-r--r--modules/lightmapper_rd/lightmapper_rd.cpp51
-rw-r--r--modules/lightmapper_rd/lightmapper_rd.h39
-rw-r--r--modules/lightmapper_rd/lm_common_inc.glsl3
-rw-r--r--modules/lightmapper_rd/lm_compute.glsl86
5 files changed, 117 insertions, 66 deletions
diff --git a/modules/lightmapper_rd/SCsub b/modules/lightmapper_rd/SCsub
index 5cc9d8ee8b..fe9737b36f 100644
--- a/modules/lightmapper_rd/SCsub
+++ b/modules/lightmapper_rd/SCsub
@@ -7,9 +7,7 @@ env_lightmapper_rd = env_modules.Clone()
env_lightmapper_rd.GLSL_HEADER("lm_raster.glsl")
env_lightmapper_rd.GLSL_HEADER("lm_compute.glsl")
env_lightmapper_rd.GLSL_HEADER("lm_blendseams.glsl")
-env_lightmapper_rd.Depends("lm_raster.glsl.gen.h", "lm_common_inc.glsl")
-env_lightmapper_rd.Depends("lm_compute.glsl.gen.h", "lm_common_inc.glsl")
-env_lightmapper_rd.Depends("lm_blendseams.glsl.gen.h", "lm_common_inc.glsl")
+env_lightmapper_rd.Depends(Glob("*.glsl.gen.h"), ["lm_common_inc.glsl", "#glsl_builders.py"])
# Godot source files
env_lightmapper_rd.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/lightmapper_rd/lightmapper_rd.cpp b/modules/lightmapper_rd/lightmapper_rd.cpp
index 214c60091c..83ac478a97 100644
--- a/modules/lightmapper_rd/lightmapper_rd.cpp
+++ b/modules/lightmapper_rd/lightmapper_rd.cpp
@@ -51,7 +51,7 @@ void LightmapperRD::add_mesh(const MeshData &p_mesh) {
mesh_instances.push_back(mi);
}
-void LightmapperRD::add_directional_light(bool p_static, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_angular_distance) {
+void LightmapperRD::add_directional_light(bool p_static, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_angular_distance, float p_shadow_blur) {
Light l;
l.type = LIGHT_TYPE_DIRECTIONAL;
l.direction[0] = p_direction.x;
@@ -62,11 +62,12 @@ void LightmapperRD::add_directional_light(bool p_static, const Vector3 &p_direct
l.color[2] = p_color.b;
l.energy = p_energy;
l.static_bake = p_static;
- l.size = p_angular_distance;
+ l.size = Math::tan(Math::deg2rad(p_angular_distance));
+ l.shadow_blur = p_shadow_blur;
lights.push_back(l);
}
-void LightmapperRD::add_omni_light(bool p_static, const Vector3 &p_position, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_size) {
+void LightmapperRD::add_omni_light(bool p_static, const Vector3 &p_position, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_size, float p_shadow_blur) {
Light l;
l.type = LIGHT_TYPE_OMNI;
l.position[0] = p_position.x;
@@ -80,10 +81,11 @@ void LightmapperRD::add_omni_light(bool p_static, const Vector3 &p_position, con
l.energy = p_energy;
l.static_bake = p_static;
l.size = p_size;
+ l.shadow_blur = p_shadow_blur;
lights.push_back(l);
}
-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_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size) {
+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_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size, float p_shadow_blur) {
Light l;
l.type = LIGHT_TYPE_SPOT;
l.position[0] = p_position.x;
@@ -102,6 +104,7 @@ void LightmapperRD::add_spot_light(bool p_static, const Vector3 &p_position, con
l.energy = p_energy;
l.static_bake = p_static;
l.size = p_size;
+ l.shadow_blur = p_shadow_blur;
lights.push_back(l);
}
@@ -268,8 +271,8 @@ Lightmapper::BakeError LightmapperRD::_blit_meshes_into_atlas(int p_max_texture_
mi.offset.x = best_atlas_offsets[m_i].x;
mi.offset.y = best_atlas_offsets[m_i].y;
mi.slice = best_atlas_offsets[m_i].z;
- albedo_images.write[mi.slice]->blit_rect(mi.data.albedo_on_uv2, Rect2(Vector2(), Size2i(mi.data.albedo_on_uv2->get_width(), mi.data.albedo_on_uv2->get_height())), mi.offset);
- emission_images.write[mi.slice]->blit_rect(mi.data.emission_on_uv2, Rect2(Vector2(), Size2i(mi.data.emission_on_uv2->get_width(), mi.data.emission_on_uv2->get_height())), mi.offset);
+ albedo_images.write[mi.slice]->blit_rect(mi.data.albedo_on_uv2, Rect2i(Vector2i(), mi.data.albedo_on_uv2->get_size()), mi.offset);
+ emission_images.write[mi.slice]->blit_rect(mi.data.emission_on_uv2, Rect2(Vector2i(), mi.data.emission_on_uv2->get_size()), mi.offset);
}
return BAKE_OK;
@@ -1140,6 +1143,23 @@ LightmapperRD::BakeError LightmapperRD::bake(BakeQuality p_quality, bool p_use_d
RID light_uniform_set = rd->uniform_set_create(uniforms, compute_shader_primary, 1);
+ 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);
+
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);
@@ -1230,23 +1250,6 @@ LightmapperRD::BakeError LightmapperRD::bake(BakeQuality p_quality, bool p_use_d
uniforms.write[1].set_id(0, light_dest_tex);
secondary_uniform_set[1] = rd->uniform_set_create(uniforms, compute_shader_secondary, 1);
- 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);
-
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");
@@ -1417,7 +1420,7 @@ LightmapperRD::BakeError LightmapperRD::bake(BakeQuality p_quality, bool p_use_d
img2.instantiate();
img2->create(2, 2, false, Image::FORMAT_RGBAF, s);
img2->convert(Image::FORMAT_RGB8);
- img->blit_rect(img2, Rect2(0, 0, 2, 2), Point2((j % 3) * 2, (j / 3) * 2));
+ 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");
}
diff --git a/modules/lightmapper_rd/lightmapper_rd.h b/modules/lightmapper_rd/lightmapper_rd.h
index 503f5f7009..8cb4b58a18 100644
--- a/modules/lightmapper_rd/lightmapper_rd.h
+++ b/modules/lightmapper_rd/lightmapper_rd.h
@@ -57,8 +57,9 @@ class LightmapperRD : public Lightmapper {
float attenuation = 0.0;
float cos_spot_angle = 0.0;
float inv_spot_attenuation = 0.0;
+ float shadow_blur = 0.0;
uint32_t static_bake = 0;
- uint32_t pad[3] = {};
+ uint32_t pad[2] = {};
bool operator<(const Light &p_light) const {
return type < p_light.type;
@@ -110,12 +111,12 @@ class LightmapperRD : public Lightmapper {
struct EdgeHash {
_FORCE_INLINE_ static uint32_t hash(const Edge &p_edge) {
- uint32_t h = hash_djb2_one_float(p_edge.a.x);
- h = hash_djb2_one_float(p_edge.a.y, h);
- h = hash_djb2_one_float(p_edge.a.z, h);
- h = hash_djb2_one_float(p_edge.b.x, h);
- h = hash_djb2_one_float(p_edge.b.y, h);
- h = hash_djb2_one_float(p_edge.b.z, h);
+ uint32_t h = hash_murmur3_one_float(p_edge.a.x);
+ h = hash_murmur3_one_float(p_edge.a.y, h);
+ h = hash_murmur3_one_float(p_edge.a.z, h);
+ h = hash_murmur3_one_float(p_edge.b.x, h);
+ h = hash_murmur3_one_float(p_edge.b.y, h);
+ h = hash_murmur3_one_float(p_edge.b.z, h);
return h;
}
};
@@ -146,15 +147,15 @@ class LightmapperRD : public Lightmapper {
struct VertexHash {
_FORCE_INLINE_ static uint32_t hash(const Vertex &p_vtx) {
- uint32_t h = hash_djb2_one_float(p_vtx.position[0]);
- h = hash_djb2_one_float(p_vtx.position[1], h);
- h = hash_djb2_one_float(p_vtx.position[2], h);
- h = hash_djb2_one_float(p_vtx.uv[0], h);
- h = hash_djb2_one_float(p_vtx.uv[1], h);
- h = hash_djb2_one_float(p_vtx.normal_xy[0], h);
- h = hash_djb2_one_float(p_vtx.normal_xy[1], h);
- h = hash_djb2_one_float(p_vtx.normal_z, h);
- return h;
+ uint32_t h = hash_murmur3_one_float(p_vtx.position[0]);
+ h = hash_murmur3_one_float(p_vtx.position[1], h);
+ h = hash_murmur3_one_float(p_vtx.position[2], h);
+ h = hash_murmur3_one_float(p_vtx.uv[0], h);
+ h = hash_murmur3_one_float(p_vtx.uv[1], h);
+ h = hash_murmur3_one_float(p_vtx.normal_xy[0], h);
+ h = hash_murmur3_one_float(p_vtx.normal_xy[1], h);
+ h = hash_murmur3_one_float(p_vtx.normal_z, h);
+ return hash_fmix32(h);
}
};
@@ -236,9 +237,9 @@ class LightmapperRD : public Lightmapper {
public:
virtual void add_mesh(const MeshData &p_mesh) override;
- virtual void add_directional_light(bool p_static, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_angular_distance) override;
- virtual void add_omni_light(bool p_static, const Vector3 &p_position, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_size) override;
- virtual void add_spot_light(bool p_static, const Vector3 &p_position, const Vector3 p_direction, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size) override;
+ virtual void add_directional_light(bool p_static, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_angular_distance, float p_shadow_blur) override;
+ virtual void add_omni_light(bool p_static, const Vector3 &p_position, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_size, float p_shadow_blur) override;
+ virtual void add_spot_light(bool p_static, const Vector3 &p_position, const Vector3 p_direction, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size, float p_shadow_blur) override;
virtual void add_probe(const Vector3 &p_position) override;
virtual BakeError bake(BakeQuality p_quality, bool p_use_denoiser, int p_bounces, float p_bias, int p_max_texture_size, bool p_bake_sh, GenerateProbes p_generate_probes, const Ref<Image> &p_environment_panorama, const Basis &p_environment_transform, BakeStepFunc p_step_function = nullptr, void *p_bake_userdata = nullptr) override;
diff --git a/modules/lightmapper_rd/lm_common_inc.glsl b/modules/lightmapper_rd/lm_common_inc.glsl
index 58523dc1f8..e0e8000f56 100644
--- a/modules/lightmapper_rd/lm_common_inc.glsl
+++ b/modules/lightmapper_rd/lm_common_inc.glsl
@@ -51,8 +51,9 @@ struct Light {
float cos_spot_angle;
float inv_spot_attenuation;
+ float shadow_blur;
bool static_bake;
- uint pad[3];
+ uint pad[2];
};
layout(set = 0, binding = 4, std430) restrict readonly buffer Lights {
diff --git a/modules/lightmapper_rd/lm_compute.glsl b/modules/lightmapper_rd/lm_compute.glsl
index 0b6b72a310..efa6cd50b4 100644
--- a/modules/lightmapper_rd/lm_compute.glsl
+++ b/modules/lightmapper_rd/lm_compute.glsl
@@ -316,19 +316,24 @@ void main() {
for (uint i = 0; i < params.light_count; i++) {
vec3 light_pos;
+ float dist;
float attenuation;
+ float soft_shadowing_disk_size;
if (lights.data[i].type == LIGHT_TYPE_DIRECTIONAL) {
vec3 light_vec = lights.data[i].direction;
light_pos = position - light_vec * length(params.world_size);
+ dist = length(params.world_size);
attenuation = 1.0;
+ soft_shadowing_disk_size = lights.data[i].size;
} else {
light_pos = lights.data[i].position;
- float d = distance(position, light_pos);
- if (d > lights.data[i].range) {
+ dist = distance(position, light_pos);
+ if (dist > lights.data[i].range) {
continue;
}
+ soft_shadowing_disk_size = lights.data[i].size / dist;
- attenuation = get_omni_attenuation(d, 1.0 / lights.data[i].range, lights.data[i].attenuation);
+ attenuation = get_omni_attenuation(dist, 1.0 / lights.data[i].range, lights.data[i].attenuation);
if (lights.data[i].type == LIGHT_TYPE_SPOT) {
vec3 rel = normalize(position - light_pos);
@@ -352,27 +357,70 @@ void main() {
continue; //no need to do anything
}
- if (trace_ray(position + light_dir * params.bias, light_pos) == RAY_MISS) {
- vec3 light = lights.data[i].color * lights.data[i].energy * attenuation;
- if (lights.data[i].static_bake) {
- static_light += light;
-#ifdef USE_SH_LIGHTMAPS
+ float penumbra = 0.0;
+ if (lights.data[i].size > 0.0) {
+ vec3 light_to_point = -light_dir;
+ vec3 aux = light_to_point.y < 0.777 ? vec3(0.0, 1.0, 0.0) : vec3(1.0, 0.0, 0.0);
+ vec3 light_to_point_tan = normalize(cross(light_to_point, aux));
+ vec3 light_to_point_bitan = normalize(cross(light_to_point, light_to_point_tan));
+
+ const uint shadowing_rays_check_penumbra_denom = 2;
+ uint shadowing_ray_count = params.ray_count;
+
+ uint hits = 0;
+ uint noise = random_seed(ivec3(atlas_pos, 43573547 /* some prime */));
+ vec3 light_disk_to_point = light_to_point;
+ for (uint j = 0; j < shadowing_ray_count; j++) {
+ // Optimization:
+ // Once already traced an important proportion of rays, if all are hits or misses,
+ // assume we're not in the penumbra so we can infer the rest would have the same result
+ if (j == shadowing_ray_count / shadowing_rays_check_penumbra_denom) {
+ if (hits == j) {
+ // Assume totally lit
+ hits = shadowing_ray_count;
+ break;
+ } else if (hits == 0) {
+ // Assume totally dark
+ hits = 0;
+ break;
+ }
+ }
- float c[4] = float[](
- 0.282095, //l0
- 0.488603 * light_dir.y, //l1n1
- 0.488603 * light_dir.z, //l1n0
- 0.488603 * light_dir.x //l1p1
- );
+ float r = randomize(noise);
+ float a = randomize(noise) * 2.0 * PI;
+ vec2 disk_sample = (r * vec2(cos(a), sin(a))) * soft_shadowing_disk_size * lights.data[i].shadow_blur;
+ light_disk_to_point = normalize(light_to_point + disk_sample.x * light_to_point_tan + disk_sample.y * light_to_point_bitan);
- for (uint j = 0; j < 4; j++) {
- sh_accum[j].rgb += light * c[j] * (1.0 / 3.0);
+ if (trace_ray(position - light_disk_to_point * params.bias, position - light_disk_to_point * dist) == RAY_MISS) {
+ hits++;
}
-#endif
+ }
+ penumbra = float(hits) / float(shadowing_ray_count);
+ } else {
+ if (trace_ray(position + light_dir * params.bias, light_pos) == RAY_MISS) {
+ penumbra = 1.0;
+ }
+ }
- } else {
- dynamic_light += light;
+ vec3 light = lights.data[i].color * lights.data[i].energy * attenuation * penumbra;
+ if (lights.data[i].static_bake) {
+ static_light += light;
+#ifdef USE_SH_LIGHTMAPS
+
+ float c[4] = float[](
+ 0.282095, //l0
+ 0.488603 * light_dir.y, //l1n1
+ 0.488603 * light_dir.z, //l1n0
+ 0.488603 * light_dir.x //l1p1
+ );
+
+ for (uint j = 0; j < 4; j++) {
+ sh_accum[j].rgb += light * c[j] * (1.0 / 3.0);
}
+#endif
+
+ } else {
+ dynamic_light += light;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-10 09:39:41 +0000