diff options
Diffstat (limited to 'servers/rendering')
6 files changed, 54 insertions, 56 deletions
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp index 2d004baf48..fa83428367 100644 --- a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp +++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp @@ -2871,6 +2871,7 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const light_data.color[2] = linear_col.b; light_data.specular = light_storage->light_get_param(base, RS::LIGHT_PARAM_SPECULAR); + light_data.volumetric_fog_energy = light_storage->light_get_param(base, RS::LIGHT_PARAM_VOLUMETRIC_FOG_ENERGY); light_data.mask = light_storage->light_get_cull_mask(base); float size = light_storage->light_get_param(base, RS::LIGHT_PARAM_SIZE); @@ -2952,7 +2953,6 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const float fade_start = light_storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_FADE_START); light_data.fade_from = -light_data.shadow_split_offsets[3] * MIN(fade_start, 0.999); //using 1.0 would break smoothstep light_data.fade_to = -light_data.shadow_split_offsets[3]; - light_data.shadow_volumetric_fog_fade = 1.0 / light_storage->light_get_shadow_volumetric_fog_fade(base); light_data.soft_shadow_scale = light_storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BLUR); light_data.softshadow_angle = angular_diameter; @@ -3082,6 +3082,7 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const light_data.color[1] = linear_col.g * energy; light_data.color[2] = linear_col.b * energy; light_data.specular_amount = light_storage->light_get_param(base, RS::LIGHT_PARAM_SPECULAR) * 2.0; + light_data.volumetric_fog_energy = light_storage->light_get_param(base, RS::LIGHT_PARAM_VOLUMETRIC_FOG_ENERGY); light_data.bake_mode = light_storage->light_get_bake_mode(base); float radius = MAX(0.001, light_storage->light_get_param(base, RS::LIGHT_PARAM_RANGE)); @@ -3176,7 +3177,6 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const light_data.atlas_rect[3] = rect.size.height; light_data.soft_shadow_scale = light_storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BLUR); - light_data.shadow_volumetric_fog_fade = 1.0 / light_storage->light_get_shadow_volumetric_fog_fade(base); if (type == RS::LIGHT_OMNI) { Transform3D proj = (inverse_transform * light_transform).inverse(); diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.h b/servers/rendering/renderer_rd/renderer_scene_render_rd.h index 8e59b21aa8..3867fd8605 100644 --- a/servers/rendering/renderer_rd/renderer_scene_render_rd.h +++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.h @@ -618,7 +618,7 @@ private: float soft_shadow_size; float soft_shadow_scale; uint32_t mask; - float shadow_volumetric_fog_fade; + float volumetric_fog_energy; uint32_t bake_mode; float projector_rect[4]; }; @@ -638,7 +638,7 @@ private: float fade_to; uint32_t pad[2]; uint32_t bake_mode; - float shadow_volumetric_fog_fade; + float volumetric_fog_energy; float shadow_bias[4]; float shadow_normal_bias[4]; float shadow_transmittance_bias[4]; diff --git a/servers/rendering/renderer_rd/shaders/environment/volumetric_fog_process.glsl b/servers/rendering/renderer_rd/shaders/environment/volumetric_fog_process.glsl index 6f79b9e771..07d5223472 100644 --- a/servers/rendering/renderer_rd/shaders/environment/volumetric_fog_process.glsl +++ b/servers/rendering/renderer_rd/shaders/environment/volumetric_fog_process.glsl @@ -270,6 +270,9 @@ const vec3 halton_map[TEMPORAL_FRAMES] = vec3[]( vec3(0.9375, 0.25925926, 0.12), vec3(0.03125, 0.59259259, 0.32)); +// Higher values will make light in volumetric fog fade out sooner when it's occluded by shadow. +const float INV_FOG_FADE = 10.0; + void main() { vec3 fog_cell_size = 1.0 / vec3(params.fog_volume_size); @@ -375,46 +378,48 @@ void main() { if (total_density > 0.001) { for (uint i = 0; i < params.directional_light_count; i++) { - vec3 shadow_attenuation = vec3(1.0); - - if (directional_lights.data[i].shadow_opacity > 0.001) { - float depth_z = -view_pos.z; - - vec4 pssm_coord; - vec3 light_dir = directional_lights.data[i].direction; - vec4 v = vec4(view_pos, 1.0); - float z_range; - - if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { - pssm_coord = (directional_lights.data[i].shadow_matrix1 * v); - pssm_coord /= pssm_coord.w; - z_range = directional_lights.data[i].shadow_z_range.x; - - } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { - pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); - pssm_coord /= pssm_coord.w; - z_range = directional_lights.data[i].shadow_z_range.y; - - } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { - pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); - pssm_coord /= pssm_coord.w; - z_range = directional_lights.data[i].shadow_z_range.z; - - } else { - pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); - pssm_coord /= pssm_coord.w; - z_range = directional_lights.data[i].shadow_z_range.w; - } + if (directional_lights.data[i].volumetric_fog_energy > 0.001) { + vec3 shadow_attenuation = vec3(1.0); + + if (directional_lights.data[i].shadow_opacity > 0.001) { + float depth_z = -view_pos.z; + + vec4 pssm_coord; + vec3 light_dir = directional_lights.data[i].direction; + vec4 v = vec4(view_pos, 1.0); + float z_range; + + if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { + pssm_coord = (directional_lights.data[i].shadow_matrix1 * v); + pssm_coord /= pssm_coord.w; + z_range = directional_lights.data[i].shadow_z_range.x; + + } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { + pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); + pssm_coord /= pssm_coord.w; + z_range = directional_lights.data[i].shadow_z_range.y; + + } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { + pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); + pssm_coord /= pssm_coord.w; + z_range = directional_lights.data[i].shadow_z_range.z; + + } else { + pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); + pssm_coord /= pssm_coord.w; + z_range = directional_lights.data[i].shadow_z_range.w; + } - float depth = texture(sampler2D(directional_shadow_atlas, linear_sampler), pssm_coord.xy).r; - float shadow = exp(min(0.0, (depth - pssm_coord.z)) * z_range * directional_lights.data[i].shadow_volumetric_fog_fade); + float depth = texture(sampler2D(directional_shadow_atlas, linear_sampler), pssm_coord.xy).r; + float shadow = exp(min(0.0, (depth - pssm_coord.z)) * z_range * INV_FOG_FADE); - shadow = mix(shadow, 1.0, smoothstep(directional_lights.data[i].fade_from, directional_lights.data[i].fade_to, view_pos.z)); //done with negative values for performance + shadow = mix(shadow, 1.0, smoothstep(directional_lights.data[i].fade_from, directional_lights.data[i].fade_to, view_pos.z)); //done with negative values for performance - shadow_attenuation = mix(vec3(0.0), vec3(1.0), shadow); - } + shadow_attenuation = mix(vec3(1.0 - directional_lights.data[i].shadow_opacity), vec3(1.0), shadow); + } - total_light += shadow_attenuation * directional_lights.data[i].color * directional_lights.data[i].energy * henyey_greenstein(dot(normalize(view_pos), normalize(directional_lights.data[i].direction)), params.phase_g); + total_light += shadow_attenuation * directional_lights.data[i].color * directional_lights.data[i].energy * henyey_greenstein(dot(normalize(view_pos), normalize(directional_lights.data[i].direction)), params.phase_g) * directional_lights.data[i].volumetric_fog_energy; + } } // Compute light from sky @@ -481,7 +486,7 @@ void main() { float d = distance(omni_lights.data[light_index].position, view_pos); float shadow_attenuation = 1.0; - if (d * omni_lights.data[light_index].inv_radius < 1.0) { + if (omni_lights.data[light_index].volumetric_fog_energy > 0.001 && d * omni_lights.data[light_index].inv_radius < 1.0) { float attenuation = get_omni_attenuation(d, omni_lights.data[light_index].inv_radius, omni_lights.data[light_index].attenuation); vec3 light = omni_lights.data[light_index].color; @@ -509,9 +514,9 @@ void main() { float depth = texture(sampler2D(shadow_atlas, linear_sampler), pos.xy).r; - shadow_attenuation = exp(min(0.0, (depth - pos.z)) / omni_lights.data[light_index].inv_radius * omni_lights.data[light_index].shadow_volumetric_fog_fade); + shadow_attenuation = mix(1.0 - omni_lights.data[light_index].shadow_opacity, 1.0, exp(min(0.0, (depth - pos.z)) / omni_lights.data[light_index].inv_radius * INV_FOG_FADE)); } - total_light += light * attenuation * shadow_attenuation * henyey_greenstein(dot(normalize(light_pos - view_pos), normalize(view_pos)), params.phase_g); + total_light += light * attenuation * shadow_attenuation * henyey_greenstein(dot(normalize(light_pos - view_pos), normalize(view_pos)), params.phase_g) * omni_lights.data[light_index].volumetric_fog_energy; } } } @@ -562,7 +567,7 @@ void main() { float d = length(light_rel_vec); float shadow_attenuation = 1.0; - if (d * spot_lights.data[light_index].inv_radius < 1.0) { + if (spot_lights.data[light_index].volumetric_fog_energy > 0.001 && d * spot_lights.data[light_index].inv_radius < 1.0) { float attenuation = get_omni_attenuation(d, spot_lights.data[light_index].inv_radius, spot_lights.data[light_index].attenuation); vec3 spot_dir = spot_lights.data[light_index].direction; @@ -595,9 +600,9 @@ void main() { float depth = texture(sampler2D(shadow_atlas, linear_sampler), pos.xy).r; - shadow_attenuation = exp(min(0.0, (depth - pos.z)) / spot_lights.data[light_index].inv_radius * spot_lights.data[light_index].shadow_volumetric_fog_fade); + shadow_attenuation = mix(1.0 - spot_lights.data[light_index].shadow_opacity, 1.0, exp(min(0.0, (depth - pos.z)) / spot_lights.data[light_index].inv_radius * INV_FOG_FADE)); } - total_light += light * attenuation * shadow_attenuation * henyey_greenstein(dot(normalize(light_rel_vec), normalize(view_pos)), params.phase_g); + total_light += light * attenuation * shadow_attenuation * henyey_greenstein(dot(normalize(light_rel_vec), normalize(view_pos)), params.phase_g) * spot_lights.data[light_index].volumetric_fog_energy; } } } diff --git a/servers/rendering/renderer_rd/shaders/light_data_inc.glsl b/servers/rendering/renderer_rd/shaders/light_data_inc.glsl index 799f7087b6..a7fca25a6b 100644 --- a/servers/rendering/renderer_rd/shaders/light_data_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/light_data_inc.glsl @@ -25,7 +25,7 @@ struct LightData { //this structure needs to be as packed as possible highp float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle highp float soft_shadow_scale; // scales the shadow kernel for blurrier shadows uint mask; - mediump float shadow_volumetric_fog_fade; + mediump float volumetric_fog_energy; uint bake_mode; highp vec4 projector_rect; //projector rect in srgb decal atlas }; @@ -65,7 +65,7 @@ struct DirectionalLightData { highp float fade_to; uvec2 pad; uint bake_mode; - mediump float shadow_volumetric_fog_fade; + mediump float volumetric_fog_energy; highp vec4 shadow_bias; highp vec4 shadow_normal_bias; highp vec4 shadow_transmittance_bias; diff --git a/servers/rendering/renderer_rd/storage_rd/light_storage.cpp b/servers/rendering/renderer_rd/storage_rd/light_storage.cpp index 7b58cc08dd..b845c1155e 100644 --- a/servers/rendering/renderer_rd/storage_rd/light_storage.cpp +++ b/servers/rendering/renderer_rd/storage_rd/light_storage.cpp @@ -75,6 +75,7 @@ void LightStorage::_light_initialize(RID p_light, RS::LightType p_type) { light.param[RS::LIGHT_PARAM_ENERGY] = 1.0; light.param[RS::LIGHT_PARAM_INDIRECT_ENERGY] = 1.0; + light.param[RS::LIGHT_PARAM_VOLUMETRIC_FOG_ENERGY] = 1.0; light.param[RS::LIGHT_PARAM_SPECULAR] = 0.5; light.param[RS::LIGHT_PARAM_RANGE] = 1.0; light.param[RS::LIGHT_PARAM_SIZE] = 0.0; @@ -91,7 +92,6 @@ void LightStorage::_light_initialize(RID p_light, RS::LightType p_type) { light.param[RS::LIGHT_PARAM_SHADOW_OPACITY] = 1.0; light.param[RS::LIGHT_PARAM_SHADOW_BLUR] = 0; light.param[RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE] = 20.0; - light.param[RS::LIGHT_PARAM_SHADOW_VOLUMETRIC_FOG_FADE] = 0.1; light.param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS] = 0.05; light_owner.initialize_rid(p_light, light); diff --git a/servers/rendering/renderer_rd/storage_rd/light_storage.h b/servers/rendering/renderer_rd/storage_rd/light_storage.h index 3e3246e8e9..7e98a3cb8e 100644 --- a/servers/rendering/renderer_rd/storage_rd/light_storage.h +++ b/servers/rendering/renderer_rd/storage_rd/light_storage.h @@ -250,13 +250,6 @@ public: return light->param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS]; } - _FORCE_INLINE_ float light_get_shadow_volumetric_fog_fade(RID p_light) const { - const Light *light = light_owner.get_or_null(p_light); - ERR_FAIL_COND_V(!light, 0.0); - - return light->param[RS::LIGHT_PARAM_SHADOW_VOLUMETRIC_FOG_FADE]; - } - virtual RS::LightBakeMode light_get_bake_mode(RID p_light) override; virtual uint32_t light_get_max_sdfgi_cascade(RID p_light) override; virtual uint64_t light_get_version(RID p_light) const override; |