diff options
Diffstat (limited to 'scene/resources/sky_material.cpp')
-rw-r--r-- | scene/resources/sky_material.cpp | 217 |
1 files changed, 144 insertions, 73 deletions
diff --git a/scene/resources/sky_material.cpp b/scene/resources/sky_material.cpp index 39082b6f7a..5d1a223cc7 100644 --- a/scene/resources/sky_material.cpp +++ b/scene/resources/sky_material.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -37,7 +37,7 @@ RID ProceduralSkyMaterial::shader; void ProceduralSkyMaterial::set_sky_top_color(const Color &p_sky_top) { sky_top_color = p_sky_top; - RS::get_singleton()->material_set_param(_get_material(), "sky_top_color", sky_top_color.to_linear()); + RS::get_singleton()->material_set_param(_get_material(), "sky_top_color", sky_top_color); } Color ProceduralSkyMaterial::get_sky_top_color() const { @@ -46,7 +46,7 @@ Color ProceduralSkyMaterial::get_sky_top_color() const { void ProceduralSkyMaterial::set_sky_horizon_color(const Color &p_sky_horizon) { sky_horizon_color = p_sky_horizon; - RS::get_singleton()->material_set_param(_get_material(), "sky_horizon_color", sky_horizon_color.to_linear()); + RS::get_singleton()->material_set_param(_get_material(), "sky_horizon_color", sky_horizon_color); } Color ProceduralSkyMaterial::get_sky_horizon_color() const { @@ -71,9 +71,28 @@ float ProceduralSkyMaterial::get_sky_energy() const { return sky_energy; } +void ProceduralSkyMaterial::set_sky_cover(const Ref<Texture2D> &p_sky_cover) { + sky_cover = p_sky_cover; + RID tex_rid = p_sky_cover.is_valid() ? p_sky_cover->get_rid() : RID(); + RS::get_singleton()->material_set_param(_get_material(), "sky_cover", tex_rid); +} + +Ref<Texture2D> ProceduralSkyMaterial::get_sky_cover() const { + return sky_cover; +} + +void ProceduralSkyMaterial::set_sky_cover_modulate(const Color &p_sky_cover_modulate) { + sky_cover_modulate = p_sky_cover_modulate; + RS::get_singleton()->material_set_param(_get_material(), "sky_cover_modulate", sky_cover_modulate); +} + +Color ProceduralSkyMaterial::get_sky_cover_modulate() const { + return sky_cover_modulate; +} + void ProceduralSkyMaterial::set_ground_bottom_color(const Color &p_ground_bottom) { ground_bottom_color = p_ground_bottom; - RS::get_singleton()->material_set_param(_get_material(), "ground_bottom_color", ground_bottom_color.to_linear()); + RS::get_singleton()->material_set_param(_get_material(), "ground_bottom_color", ground_bottom_color); } Color ProceduralSkyMaterial::get_ground_bottom_color() const { @@ -82,7 +101,7 @@ Color ProceduralSkyMaterial::get_ground_bottom_color() const { void ProceduralSkyMaterial::set_ground_horizon_color(const Color &p_ground_horizon) { ground_horizon_color = p_ground_horizon; - RS::get_singleton()->material_set_param(_get_material(), "ground_horizon_color", ground_horizon_color.to_linear()); + RS::get_singleton()->material_set_param(_get_material(), "ground_horizon_color", ground_horizon_color); } Color ProceduralSkyMaterial::get_ground_horizon_color() const { @@ -125,8 +144,13 @@ float ProceduralSkyMaterial::get_sun_curve() const { return sun_curve; } -bool ProceduralSkyMaterial::_can_do_next_pass() const { - return false; +void ProceduralSkyMaterial::set_use_debanding(bool p_use_debanding) { + use_debanding = p_use_debanding; + RS::get_singleton()->material_set_param(_get_material(), "use_debanding", use_debanding); +} + +bool ProceduralSkyMaterial::get_use_debanding() const { + return use_debanding; } Shader::Mode ProceduralSkyMaterial::get_shader_mode() const { @@ -160,6 +184,12 @@ void ProceduralSkyMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_sky_energy", "energy"), &ProceduralSkyMaterial::set_sky_energy); ClassDB::bind_method(D_METHOD("get_sky_energy"), &ProceduralSkyMaterial::get_sky_energy); + ClassDB::bind_method(D_METHOD("set_sky_cover", "sky_cover"), &ProceduralSkyMaterial::set_sky_cover); + ClassDB::bind_method(D_METHOD("get_sky_cover"), &ProceduralSkyMaterial::get_sky_cover); + + ClassDB::bind_method(D_METHOD("set_sky_cover_modulate", "color"), &ProceduralSkyMaterial::set_sky_cover_modulate); + ClassDB::bind_method(D_METHOD("get_sky_cover_modulate"), &ProceduralSkyMaterial::get_sky_cover_modulate); + ClassDB::bind_method(D_METHOD("set_ground_bottom_color", "color"), &ProceduralSkyMaterial::set_ground_bottom_color); ClassDB::bind_method(D_METHOD("get_ground_bottom_color"), &ProceduralSkyMaterial::get_ground_bottom_color); @@ -178,21 +208,29 @@ void ProceduralSkyMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_sun_curve", "curve"), &ProceduralSkyMaterial::set_sun_curve); ClassDB::bind_method(D_METHOD("get_sun_curve"), &ProceduralSkyMaterial::get_sun_curve); + ClassDB::bind_method(D_METHOD("set_use_debanding", "use_debanding"), &ProceduralSkyMaterial::set_use_debanding); + ClassDB::bind_method(D_METHOD("get_use_debanding"), &ProceduralSkyMaterial::get_use_debanding); + ADD_GROUP("Sky", "sky_"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "sky_top_color"), "set_sky_top_color", "get_sky_top_color"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "sky_horizon_color"), "set_sky_horizon_color", "get_sky_horizon_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "sky_top_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_sky_top_color", "get_sky_top_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "sky_horizon_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_sky_horizon_color", "get_sky_horizon_color"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sky_curve", PROPERTY_HINT_EXP_EASING), "set_sky_curve", "get_sky_curve"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sky_energy", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_sky_energy", "get_sky_energy"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "sky_cover", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_sky_cover", "get_sky_cover"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "sky_cover_modulate"), "set_sky_cover_modulate", "get_sky_cover_modulate"); ADD_GROUP("Ground", "ground_"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "ground_bottom_color"), "set_ground_bottom_color", "get_ground_bottom_color"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "ground_horizon_color"), "set_ground_horizon_color", "get_ground_horizon_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "ground_bottom_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_ground_bottom_color", "get_ground_bottom_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "ground_horizon_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_ground_horizon_color", "get_ground_horizon_color"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "ground_curve", PROPERTY_HINT_EXP_EASING), "set_ground_curve", "get_ground_curve"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "ground_energy", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_ground_energy", "get_ground_energy"); ADD_GROUP("Sun", "sun_"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sun_angle_max", PROPERTY_HINT_RANGE, "0,360,0.01"), "set_sun_angle_max", "get_sun_angle_max"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sun_angle_max", PROPERTY_HINT_RANGE, "0,360,0.01,degrees"), "set_sun_angle_max", "get_sun_angle_max"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sun_curve", PROPERTY_HINT_EXP_EASING), "set_sun_curve", "get_sun_curve"); + + ADD_GROUP("", ""); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_debanding"), "set_use_debanding", "get_use_debanding"); } void ProceduralSkyMaterial::cleanup_shader() { @@ -212,16 +250,26 @@ void ProceduralSkyMaterial::_update_shader() { shader_type sky; -uniform vec4 sky_top_color : hint_color = vec4(0.35, 0.46, 0.71, 1.0); -uniform vec4 sky_horizon_color : hint_color = vec4(0.55, 0.69, 0.81, 1.0); -uniform float sky_curve : hint_range(0, 1) = 0.09; +uniform vec4 sky_top_color : source_color = vec4(0.385, 0.454, 0.55, 1.0); +uniform vec4 sky_horizon_color : source_color = vec4(0.646, 0.656, 0.67, 1.0); +uniform float sky_curve : hint_range(0, 1) = 0.15; uniform float sky_energy = 1.0; -uniform vec4 ground_bottom_color : hint_color = vec4(0.12, 0.12, 0.13, 1.0); -uniform vec4 ground_horizon_color : hint_color = vec4(0.37, 0.33, 0.31, 1.0); +uniform sampler2D sky_cover : source_color, hint_default_black; +uniform vec4 sky_cover_modulate : source_color = vec4(1.0, 1.0, 1.0, 1.0); +uniform vec4 ground_bottom_color : source_color = vec4(0.2, 0.169, 0.133, 1.0); +uniform vec4 ground_horizon_color : source_color = vec4(0.646, 0.656, 0.67, 1.0); uniform float ground_curve : hint_range(0, 1) = 0.02; uniform float ground_energy = 1.0; -uniform float sun_angle_max = 1.74; -uniform float sun_curve : hint_range(0, 1) = 0.05; +uniform float sun_angle_max = 30.0; +uniform float sun_curve : hint_range(0, 1) = 0.15; +uniform bool use_debanding = true; + +// https://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare +vec3 interleaved_gradient_noise(vec2 pos) { + const vec3 magic = vec3(0.06711056f, 0.00583715f, 52.9829189f); + float res = fract(magic.z * fract(dot(pos, magic.xy))) * 2.0 - 1.0; + return vec3(res, -res, res) / 255.0; +} void sky() { float v_angle = acos(clamp(EYEDIR.y, -1.0, 1.0)); @@ -269,11 +317,17 @@ void sky() { } } + vec4 sky_cover_texture = texture(sky_cover, SKY_COORDS); + sky += (sky_cover_texture.rgb * sky_cover_modulate.rgb) * sky_cover_texture.a * sky_cover_modulate.a * sky_energy; + c = (v_angle - (PI * 0.5)) / (PI * 0.5); vec3 ground = mix(ground_horizon_color.rgb, ground_bottom_color.rgb, clamp(1.0 - pow(1.0 - c, 1.0 / ground_curve), 0.0, 1.0)); ground *= ground_energy; COLOR = mix(ground, sky, step(0.0, EYEDIR.y)); + if (use_debanding) { + COLOR += interleaved_gradient_noise(FRAGCOORD.xy); + } } )"); } @@ -281,22 +335,23 @@ void sky() { } ProceduralSkyMaterial::ProceduralSkyMaterial() { - set_sky_top_color(Color(0.35, 0.46, 0.71)); - set_sky_horizon_color(Color(0.55, 0.69, 0.81)); - set_sky_curve(0.09); + set_sky_top_color(Color(0.385, 0.454, 0.55)); + set_sky_horizon_color(Color(0.6463, 0.6558, 0.6708)); + set_sky_curve(0.15); set_sky_energy(1.0); + set_sky_cover_modulate(Color(1, 1, 1)); - set_ground_bottom_color(Color(0.12, 0.12, 0.13)); - set_ground_horizon_color(Color(0.37, 0.33, 0.31)); + set_ground_bottom_color(Color(0.2, 0.169, 0.133)); + set_ground_horizon_color(Color(0.6463, 0.6558, 0.6708)); set_ground_curve(0.02); set_ground_energy(1.0); - set_sun_angle_max(100.0); - set_sun_curve(0.05); + set_sun_angle_max(30.0); + set_sun_curve(0.15); + set_use_debanding(true); } ProceduralSkyMaterial::~ProceduralSkyMaterial() { - RS::get_singleton()->material_set_shader(_get_material(), RID()); } ///////////////////////////////////////// @@ -312,8 +367,18 @@ Ref<Texture2D> PanoramaSkyMaterial::get_panorama() const { return panorama; } -bool PanoramaSkyMaterial::_can_do_next_pass() const { - return false; +void PanoramaSkyMaterial::set_filtering_enabled(bool p_enabled) { + filter = p_enabled; + notify_property_list_changed(); + _update_shader(); + // Only set if shader already compiled + if (shader_set) { + RS::get_singleton()->material_set_shader(_get_material(), shader_cache[int(filter)]); + } +} + +bool PanoramaSkyMaterial::is_filtering_enabled() const { + return filter; } Shader::Mode PanoramaSkyMaterial::get_shader_mode() const { @@ -322,8 +387,10 @@ Shader::Mode PanoramaSkyMaterial::get_shader_mode() const { RID PanoramaSkyMaterial::get_rid() const { _update_shader(); + // Don't compile shaders until first use, then compile both if (!shader_set) { - RS::get_singleton()->material_set_shader(_get_material(), shader); + RS::get_singleton()->material_set_shader(_get_material(), shader_cache[1 - int(filter)]); + RS::get_singleton()->material_set_shader(_get_material(), shader_cache[int(filter)]); shader_set = true; } return _get_material(); @@ -331,42 +398,50 @@ RID PanoramaSkyMaterial::get_rid() const { RID PanoramaSkyMaterial::get_shader_rid() const { _update_shader(); - return shader; + return shader_cache[int(filter)]; } void PanoramaSkyMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_panorama", "texture"), &PanoramaSkyMaterial::set_panorama); ClassDB::bind_method(D_METHOD("get_panorama"), &PanoramaSkyMaterial::get_panorama); + ClassDB::bind_method(D_METHOD("set_filtering_enabled", "enabled"), &PanoramaSkyMaterial::set_filtering_enabled); + ClassDB::bind_method(D_METHOD("is_filtering_enabled"), &PanoramaSkyMaterial::is_filtering_enabled); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "panorama", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_panorama", "get_panorama"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "filter"), "set_filtering_enabled", "is_filtering_enabled"); } Mutex PanoramaSkyMaterial::shader_mutex; -RID PanoramaSkyMaterial::shader; +RID PanoramaSkyMaterial::shader_cache[2]; void PanoramaSkyMaterial::cleanup_shader() { - if (shader.is_valid()) { - RS::get_singleton()->free(shader); + if (shader_cache[0].is_valid()) { + RS::get_singleton()->free(shader_cache[0]); + RS::get_singleton()->free(shader_cache[1]); } } void PanoramaSkyMaterial::_update_shader() { shader_mutex.lock(); - if (shader.is_null()) { - shader = RS::get_singleton()->shader_create(); + if (shader_cache[0].is_null()) { + for (int i = 0; i < 2; i++) { + shader_cache[i] = RS::get_singleton()->shader_create(); - // Add a comment to describe the shader origin (useful when converting to ShaderMaterial). - RS::get_singleton()->shader_set_code(shader, R"( + // Add a comment to describe the shader origin (useful when converting to ShaderMaterial). + RS::get_singleton()->shader_set_code(shader_cache[i], vformat(R"( // NOTE: Shader automatically converted from )" VERSION_NAME " " VERSION_FULL_CONFIG R"('s PanoramaSkyMaterial. shader_type sky; -uniform sampler2D source_panorama : filter_linear, hint_albedo; +uniform sampler2D source_panorama : %s, source_color, hint_default_black; void sky() { COLOR = texture(source_panorama, SKY_COORDS).rgb; } -)"); +)", + i ? "filter_linear" : "filter_nearest")); + } } shader_mutex.unlock(); @@ -376,7 +451,6 @@ PanoramaSkyMaterial::PanoramaSkyMaterial() { } PanoramaSkyMaterial::~PanoramaSkyMaterial() { - RS::get_singleton()->material_set_shader(_get_material(), RID()); } ////////////////////////////////// @@ -463,13 +537,13 @@ float PhysicalSkyMaterial::get_exposure() const { return exposure; } -void PhysicalSkyMaterial::set_dither_strength(float p_dither_strength) { - dither_strength = p_dither_strength; - RS::get_singleton()->material_set_param(_get_material(), "dither_strength", dither_strength); +void PhysicalSkyMaterial::set_use_debanding(bool p_use_debanding) { + use_debanding = p_use_debanding; + RS::get_singleton()->material_set_param(_get_material(), "use_debanding", use_debanding); } -float PhysicalSkyMaterial::get_dither_strength() const { - return dither_strength; +bool PhysicalSkyMaterial::get_use_debanding() const { + return use_debanding; } void PhysicalSkyMaterial::set_night_sky(const Ref<Texture2D> &p_night_sky) { @@ -482,10 +556,6 @@ Ref<Texture2D> PhysicalSkyMaterial::get_night_sky() const { return night_sky; } -bool PhysicalSkyMaterial::_can_do_next_pass() const { - return false; -} - Shader::Mode PhysicalSkyMaterial::get_shader_mode() const { return Shader::MODE_SKY; } @@ -535,26 +605,26 @@ void PhysicalSkyMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_exposure", "exposure"), &PhysicalSkyMaterial::set_exposure); ClassDB::bind_method(D_METHOD("get_exposure"), &PhysicalSkyMaterial::get_exposure); - ClassDB::bind_method(D_METHOD("set_dither_strength", "strength"), &PhysicalSkyMaterial::set_dither_strength); - ClassDB::bind_method(D_METHOD("get_dither_strength"), &PhysicalSkyMaterial::get_dither_strength); + ClassDB::bind_method(D_METHOD("set_use_debanding", "use_debanding"), &PhysicalSkyMaterial::set_use_debanding); + ClassDB::bind_method(D_METHOD("get_use_debanding"), &PhysicalSkyMaterial::get_use_debanding); ClassDB::bind_method(D_METHOD("set_night_sky", "night_sky"), &PhysicalSkyMaterial::set_night_sky); ClassDB::bind_method(D_METHOD("get_night_sky"), &PhysicalSkyMaterial::get_night_sky); ADD_GROUP("Rayleigh", "rayleigh_"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "rayleigh_coefficient", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_rayleigh_coefficient", "get_rayleigh_coefficient"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "rayleigh_color"), "set_rayleigh_color", "get_rayleigh_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "rayleigh_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_rayleigh_color", "get_rayleigh_color"); ADD_GROUP("Mie", "mie_"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mie_coefficient", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_mie_coefficient", "get_mie_coefficient"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mie_eccentricity", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_mie_eccentricity", "get_mie_eccentricity"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "mie_color"), "set_mie_color", "get_mie_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "mie_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_mie_color", "get_mie_color"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbidity", PROPERTY_HINT_RANGE, "0,1000,0.01"), "set_turbidity", "get_turbidity"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sun_disk_scale", PROPERTY_HINT_RANGE, "0,360,0.01"), "set_sun_disk_scale", "get_sun_disk_scale"); - ADD_PROPERTY(PropertyInfo(Variant::COLOR, "ground_color"), "set_ground_color", "get_ground_color"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "ground_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_ground_color", "get_ground_color"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "exposure", PROPERTY_HINT_RANGE, "0,128,0.01"), "set_exposure", "get_exposure"); - ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "dither_strength", PROPERTY_HINT_RANGE, "0,10,0.01"), "set_dither_strength", "get_dither_strength"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_debanding"), "set_use_debanding", "get_use_debanding"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "night_sky", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_night_sky", "get_night_sky"); } @@ -576,18 +646,18 @@ void PhysicalSkyMaterial::_update_shader() { shader_type sky; uniform float rayleigh : hint_range(0, 64) = 2.0; -uniform vec4 rayleigh_color : hint_color = vec4(0.056, 0.14, 0.3, 1.0); +uniform vec4 rayleigh_color : source_color = vec4(0.3, 0.405, 0.6, 1.0); uniform float mie : hint_range(0, 1) = 0.005; uniform float mie_eccentricity : hint_range(-1, 1) = 0.8; -uniform vec4 mie_color : hint_color = vec4(0.36, 0.56, 0.82, 1.0); +uniform vec4 mie_color : source_color = vec4(0.69, 0.729, 0.812, 1.0); uniform float turbidity : hint_range(0, 1000) = 10.0; uniform float sun_disk_scale : hint_range(0, 360) = 1.0; -uniform vec4 ground_color : hint_color = vec4(1.0); +uniform vec4 ground_color : source_color = vec4(0.1, 0.07, 0.034, 1.0); uniform float exposure : hint_range(0, 128) = 0.1; -uniform float dither_strength : hint_range(0, 10) = 1.0; +uniform bool use_debanding = true; -uniform sampler2D night_sky : hint_black_albedo; +uniform sampler2D night_sky : source_color, hint_default_black; const vec3 UP = vec3( 0.0, 1.0, 0.0 ); @@ -603,11 +673,11 @@ float henyey_greenstein(float cos_theta, float g) { return k * (1.0 - g * g) / (pow(1.0 + g * g - 2.0 * g * cos_theta, 1.5)); } -// From: https://www.shadertoy.com/view/4sfGzS credit to iq -float hash(vec3 p) { - p = fract( p * 0.3183099 + 0.1 ); - p *= 17.0; - return fract(p.x * p.y * p.z * (p.x + p.y + p.z)); +// https://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare +vec3 interleaved_gradient_noise(vec2 pos) { + const vec3 magic = vec3(0.06711056f, 0.00583715f, 52.9829189f); + float res = fract(magic.z * fract(dot(pos, magic.xy))) * 2.0 - 1.0; + return vec3(res, -res, res) / 255.0; } void sky() { @@ -657,8 +727,9 @@ void sky() { vec3 color = (Lin + L0) * 0.04; COLOR = pow(color, vec3(1.0 / (1.2 + (1.2 * sun_fade)))); COLOR *= exposure; - // Make optional, eliminates banding. - COLOR += (hash(EYEDIR * 1741.9782) * 0.08 - 0.04) * 0.016 * dither_strength; + if (use_debanding) { + COLOR += interleaved_gradient_noise(FRAGCOORD.xy); + } } else { // There is no sun, so display night_sky and nothing else. COLOR = texture(night_sky, SKY_COORDS).xyz * 0.04; @@ -673,15 +744,15 @@ void sky() { PhysicalSkyMaterial::PhysicalSkyMaterial() { set_rayleigh_coefficient(2.0); - set_rayleigh_color(Color(0.056, 0.14, 0.3)); + set_rayleigh_color(Color(0.3, 0.405, 0.6)); set_mie_coefficient(0.005); set_mie_eccentricity(0.8); - set_mie_color(Color(0.36, 0.56, 0.82)); + set_mie_color(Color(0.69, 0.729, 0.812)); set_turbidity(10.0); set_sun_disk_scale(1.0); - set_ground_color(Color(1.0, 1.0, 1.0)); + set_ground_color(Color(0.1, 0.07, 0.034)); set_exposure(0.1); - set_dither_strength(1.0); + set_use_debanding(true); } PhysicalSkyMaterial::~PhysicalSkyMaterial() { |