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-rw-r--r--doc/classes/PhysicalSkyMaterial.xml6
-rw-r--r--doc/classes/ProceduralSkyMaterial.xml6
-rw-r--r--drivers/gles3/storage/material_storage.cpp1
-rw-r--r--editor/plugins/visual_shader_editor_plugin.cpp2
-rw-r--r--scene/resources/sky_material.cpp71
-rw-r--r--scene/resources/sky_material.h12
-rw-r--r--scene/resources/visual_shader.cpp1
-rw-r--r--servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp1
-rw-r--r--servers/rendering/shader_types.cpp1
9 files changed, 54 insertions, 47 deletions
diff --git a/doc/classes/PhysicalSkyMaterial.xml b/doc/classes/PhysicalSkyMaterial.xml
index 716eaaeeba..7c2ea088c8 100644
--- a/doc/classes/PhysicalSkyMaterial.xml
+++ b/doc/classes/PhysicalSkyMaterial.xml
@@ -11,9 +11,6 @@
<tutorials>
</tutorials>
<members>
- <member name="dither_strength" type="float" setter="set_dither_strength" getter="get_dither_strength" default="1.0">
- The amount of dithering to use. Dithering helps reduce banding that appears from the smooth changes in color in the sky. Use the lowest value possible for your given sky settings, as higher amounts may add fuzziness to the sky.
- </member>
<member name="exposure" type="float" setter="set_exposure" getter="get_exposure" default="0.1">
Sets the exposure of the sky. Higher exposure values make the entire sky brighter.
</member>
@@ -44,5 +41,8 @@
<member name="turbidity" type="float" setter="set_turbidity" getter="get_turbidity" default="10.0">
Sets the thickness of the atmosphere. High turbidity creates a foggy-looking atmosphere, while a low turbidity results in a clearer atmosphere.
</member>
+ <member name="use_debanding" type="bool" setter="set_use_debanding" getter="get_use_debanding" default="true">
+ If [code]true[/code], enables debanding. Debanding adds a small amount of noise which helps reduce banding that appears from the smooth changes in color in the sky.
+ </member>
</members>
</class>
diff --git a/doc/classes/ProceduralSkyMaterial.xml b/doc/classes/ProceduralSkyMaterial.xml
index 88283bcf24..3cc4bd71f7 100644
--- a/doc/classes/ProceduralSkyMaterial.xml
+++ b/doc/classes/ProceduralSkyMaterial.xml
@@ -11,9 +11,6 @@
<tutorials>
</tutorials>
<members>
- <member name="dither_strength" type="float" setter="set_dither_strength" getter="get_dither_strength" default="1.0">
- The amount of dithering to use. Dithering helps reduce banding that appears from the smooth changes in color in the sky. Use the lowest value possible for your given sky settings, as higher amounts may add fuzziness to the sky.
- </member>
<member name="ground_bottom_color" type="Color" setter="set_ground_bottom_color" getter="get_ground_bottom_color" default="Color(0.2, 0.169, 0.133, 1)">
Color of the ground at the bottom. Blends with [member ground_horizon_color].
</member>
@@ -50,5 +47,8 @@
<member name="sun_curve" type="float" setter="set_sun_curve" getter="get_sun_curve" default="0.15">
How quickly the sun fades away between the edge of the sun disk and [member sun_angle_max].
</member>
+ <member name="use_debanding" type="bool" setter="set_use_debanding" getter="get_use_debanding" default="true">
+ If [code]true[/code], enables debanding. Debanding adds a small amount of noise which helps reduce banding that appears from the smooth changes in color in the sky.
+ </member>
</members>
</class>
diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index 698bcf3ec2..fd50bdedbd 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -1630,6 +1630,7 @@ ShaderCompiler::DefaultIdentifierActions actions;
actions.renames["SKY_COORDS"] = "panorama_coords";
actions.renames["SCREEN_UV"] = "uv";
actions.renames["TIME"] = "time";
+ actions.renames["FRAGCOORD"] = "gl_FragCoord";
actions.renames["PI"] = _MKSTR(Math_PI);
actions.renames["TAU"] = _MKSTR(Math_TAU);
actions.renames["E"] = _MKSTR(Math_E);
diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index f8797ded66..6e13a31a1f 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -5257,6 +5257,8 @@ VisualShaderEditor::VisualShaderEditor() {
add_options.push_back(AddOption("QuarterResColor", "Input", "Sky", "VisualShaderNodeInput", vformat(input_param_for_sky_shader_mode, "quarter_res_color", "QUARTER_RES_COLOR"), { "quarter_res_color" }, VisualShaderNode::PORT_TYPE_VECTOR_4D, TYPE_FLAGS_SKY, Shader::MODE_SKY));
add_options.push_back(AddOption("Radiance", "Input", "Sky", "VisualShaderNodeInput", vformat(input_param_for_sky_shader_mode, "radiance", "RADIANCE"), { "radiance" }, VisualShaderNode::PORT_TYPE_SAMPLER, TYPE_FLAGS_SKY, Shader::MODE_SKY));
add_options.push_back(AddOption("ScreenUV", "Input", "Sky", "VisualShaderNodeInput", vformat(input_param_for_sky_shader_mode, "screen_uv", "SCREEN_UV"), { "screen_uv" }, VisualShaderNode::PORT_TYPE_VECTOR_2D, TYPE_FLAGS_SKY, Shader::MODE_SKY));
+ add_options.push_back(AddOption("FragCoord", "Input", "Sky", "VisualShaderNodeInput", vformat(input_param_for_sky_shader_mode, "fragcoord", "FRAGCOORD"), { "fragcoord" }, VisualShaderNode::PORT_TYPE_VECTOR_4D, TYPE_FLAGS_SKY, Shader::MODE_SKY));
+
add_options.push_back(AddOption("SkyCoords", "Input", "Sky", "VisualShaderNodeInput", vformat(input_param_for_sky_shader_mode, "sky_coords", "SKY_COORDS"), { "sky_coords" }, VisualShaderNode::PORT_TYPE_VECTOR_2D, TYPE_FLAGS_SKY, Shader::MODE_SKY));
add_options.push_back(AddOption("Time", "Input", "Sky", "VisualShaderNodeInput", vformat(input_param_for_sky_shader_mode, "time", "TIME"), { "time" }, VisualShaderNode::PORT_TYPE_SCALAR, TYPE_FLAGS_SKY, Shader::MODE_SKY));
diff --git a/scene/resources/sky_material.cpp b/scene/resources/sky_material.cpp
index 3abffaa6a6..5d1a223cc7 100644
--- a/scene/resources/sky_material.cpp
+++ b/scene/resources/sky_material.cpp
@@ -144,13 +144,13 @@ float ProceduralSkyMaterial::get_sun_curve() const {
return sun_curve;
}
-void ProceduralSkyMaterial::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 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);
}
-float ProceduralSkyMaterial::get_dither_strength() const {
- return dither_strength;
+bool ProceduralSkyMaterial::get_use_debanding() const {
+ return use_debanding;
}
Shader::Mode ProceduralSkyMaterial::get_shader_mode() const {
@@ -208,8 +208,8 @@ 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_dither_strength", "strength"), &ProceduralSkyMaterial::set_dither_strength);
- ClassDB::bind_method(D_METHOD("get_dither_strength"), &ProceduralSkyMaterial::get_dither_strength);
+ 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", PROPERTY_HINT_COLOR_NO_ALPHA), "set_sky_top_color", "get_sky_top_color");
@@ -230,7 +230,7 @@ void ProceduralSkyMaterial::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sun_curve", PROPERTY_HINT_EXP_EASING), "set_sun_curve", "get_sun_curve");
ADD_GROUP("", "");
- 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");
}
void ProceduralSkyMaterial::cleanup_shader() {
@@ -262,13 +262,13 @@ uniform float ground_curve : hint_range(0, 1) = 0.02;
uniform float ground_energy = 1.0;
uniform float sun_angle_max = 30.0;
uniform float sun_curve : hint_range(0, 1) = 0.15;
-uniform float dither_strength : hint_range(0, 10) = 1.0;
+uniform bool use_debanding = true;
-// 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() {
@@ -325,9 +325,9 @@ void sky() {
ground *= ground_energy;
COLOR = mix(ground, sky, step(0.0, EYEDIR.y));
-
- // 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);
+ }
}
)");
}
@@ -348,7 +348,7 @@ ProceduralSkyMaterial::ProceduralSkyMaterial() {
set_sun_angle_max(30.0);
set_sun_curve(0.15);
- set_dither_strength(1.0);
+ set_use_debanding(true);
}
ProceduralSkyMaterial::~ProceduralSkyMaterial() {
@@ -537,13 +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) {
@@ -605,8 +605,8 @@ 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);
@@ -624,7 +624,7 @@ void PhysicalSkyMaterial::_bind_methods() {
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", 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");
}
@@ -655,7 +655,7 @@ uniform float turbidity : hint_range(0, 1000) = 10.0;
uniform float sun_disk_scale : hint_range(0, 360) = 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 : source_color, hint_default_black;
@@ -673,11 +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() {
@@ -727,8 +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;
@@ -751,7 +752,7 @@ PhysicalSkyMaterial::PhysicalSkyMaterial() {
set_sun_disk_scale(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() {
diff --git a/scene/resources/sky_material.h b/scene/resources/sky_material.h
index 8163a42519..5be8922ba4 100644
--- a/scene/resources/sky_material.h
+++ b/scene/resources/sky_material.h
@@ -52,7 +52,7 @@ private:
float sun_angle_max = 0.0f;
float sun_curve = 0.0f;
- float dither_strength = 0.0f;
+ bool use_debanding = true;
static Mutex shader_mutex;
static RID shader;
@@ -99,8 +99,8 @@ public:
void set_sun_curve(float p_curve);
float get_sun_curve() const;
- void set_dither_strength(float p_dither_strength);
- float get_dither_strength() const;
+ void set_use_debanding(bool p_use_debanding);
+ bool get_use_debanding() const;
virtual Shader::Mode get_shader_mode() const override;
virtual RID get_shader_rid() const override;
@@ -167,7 +167,7 @@ private:
float sun_disk_scale = 0.0f;
Color ground_color;
float exposure = 0.0f;
- float dither_strength = 0.0f;
+ bool use_debanding = true;
Ref<Texture2D> night_sky;
static void _update_shader();
mutable bool shader_set = false;
@@ -203,8 +203,8 @@ public:
void set_exposure(float p_exposure);
float get_exposure() const;
- void set_dither_strength(float p_dither_strength);
- float get_dither_strength() const;
+ void set_use_debanding(bool p_use_debanding);
+ bool get_use_debanding() const;
void set_night_sky(const Ref<Texture2D> &p_night_sky);
Ref<Texture2D> get_night_sky() const;
diff --git a/scene/resources/visual_shader.cpp b/scene/resources/visual_shader.cpp
index 47bb1b264c..a1a23124a3 100644
--- a/scene/resources/visual_shader.cpp
+++ b/scene/resources/visual_shader.cpp
@@ -2926,6 +2926,7 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = {
{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_4D, "quarter_res_color", "QUARTER_RES_COLOR" },
{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SAMPLER, "radiance", "RADIANCE" },
{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_2D, "screen_uv", "SCREEN_UV" },
+ { Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_4D, "fragcoord", "FRAGCOORD" },
{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR_2D, "sky_coords", "SKY_COORDS" },
{ Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" },
diff --git a/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp
index 14a5f02eee..7adc5a23f2 100644
--- a/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp
@@ -846,6 +846,7 @@ void RendererSceneSkyRD::init(RendererStorageRD *p_storage) {
actions.renames["POSITION"] = "params.position_multiplier.xyz";
actions.renames["SKY_COORDS"] = "panorama_coords";
actions.renames["SCREEN_UV"] = "uv";
+ actions.renames["FRAGCOORD"] = "gl_FragCoord";
actions.renames["TIME"] = "params.time";
actions.renames["PI"] = _MKSTR(Math_PI);
actions.renames["TAU"] = _MKSTR(Math_TAU);
diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp
index e0dd417758..5772179d68 100644
--- a/servers/rendering/shader_types.cpp
+++ b/servers/rendering/shader_types.cpp
@@ -422,6 +422,7 @@ ShaderTypes::ShaderTypes() {
shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["EYEDIR"] = constt(ShaderLanguage::TYPE_VEC3);
shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
+ shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["SKY_COORDS"] = constt(ShaderLanguage::TYPE_VEC2);
shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["HALF_RES_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["QUARTER_RES_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 09:42:05 +0000