Rename `GradientTexture` to `GradientTexture1D`

1. Explicit and unambiguous when comparing to `GradientTexture2D`
2. Consistent with other class names where 1D is used in the engine.

13 files changed, 36 insertions, 35 deletions

diff --git a/doc/classes/CPUParticles3D.xml b/doc/classes/CPUParticles3D.xml
index fe8c354427..ad491465f2 100644
--- a/doc/classes/CPUParticles3D.xml
+++ b/doc/classes/CPUParticles3D.xml
@@ -126,7 +126,7 @@
 			Each particle's initial color. To have particle display color in a [BaseMaterial3D] make sure to set [member BaseMaterial3D.vertex_color_use_as_albedo] to [code]true[/code].
 		</member>
 		<member name="color_ramp" type="Gradient" setter="set_color_ramp" getter="get_color_ramp">
-			Each particle's color will vary along this [GradientTexture] over its lifetime (multiplied with [member color]).
+			Each particle's color will vary along this [GradientTexture1D] over its lifetime (multiplied with [member color]).
 		</member>
 		<member name="damping_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
 			Damping will vary along this [Curve].
diff --git a/doc/classes/Environment.xml b/doc/classes/Environment.xml
index 88c4689b5f..4ea7f67eed 100644
--- a/doc/classes/Environment.xml
+++ b/doc/classes/Environment.xml
@@ -39,7 +39,7 @@
 			The global brightness value of the rendered scene. Effective only if [code]adjustment_enabled[/code] is [code]true[/code].
 		</member>
 		<member name="adjustment_color_correction" type="Texture" setter="set_adjustment_color_correction" getter="get_adjustment_color_correction">
-			The [Texture2D] or [Texture3D] lookup table (LUT) to use for the built-in post-process color grading. Can use a [GradientTexture] for a 1-dimensional LUT, or a [Texture3D] for a more complex LUT. Effective only if [code]adjustment_enabled[/code] is [code]true[/code].
+			The [Texture2D] or [Texture3D] lookup table (LUT) to use for the built-in post-process color grading. Can use a [GradientTexture1D] for a 1-dimensional LUT, or a [Texture3D] for a more complex LUT. Effective only if [code]adjustment_enabled[/code] is [code]true[/code].
 		</member>
 		<member name="adjustment_contrast" type="float" setter="set_adjustment_contrast" getter="get_adjustment_contrast" default="1.0">
 			The global contrast value of the rendered scene (default value is 1). Effective only if [code]adjustment_enabled[/code] is [code]true[/code].
diff --git a/doc/classes/GradientTexture.xml b/doc/classes/GradientTexture1D.xml
index 0f0f0b1a37..223439956c 100644
--- a/doc/classes/GradientTexture.xml
+++ b/doc/classes/GradientTexture1D.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GradientTexture" inherits="Texture2D" version="4.0">
+<class name="GradientTexture1D" inherits="Texture2D" version="4.0">
 	<brief_description>
 		Gradient-filled texture.
 	</brief_description>
 	<description>
-		GradientTexture uses a [Gradient] to fill the texture data. The gradient will be filled from left to right using colors obtained from the gradient. This means the texture does not necessarily represent an exact copy of the gradient, but instead an interpolation of samples obtained from the gradient at fixed steps (see [member width]).
+		GradientTexture1D uses a [Gradient] to fill the texture data. The gradient will be filled from left to right using colors obtained from the gradient. This means the texture does not necessarily represent an exact copy of the gradient, but instead an interpolation of samples obtained from the gradient at fixed steps (see [member width]).
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/ParticlesMaterial.xml b/doc/classes/ParticlesMaterial.xml
index 3b583f5c89..2cc0d8f2b0 100644
--- a/doc/classes/ParticlesMaterial.xml
+++ b/doc/classes/ParticlesMaterial.xml
@@ -128,7 +128,7 @@
 			Each particle's initial color. If the [GPUParticles2D]'s [code]texture[/code] is defined, it will be multiplied by this color. To have particle display color in a [BaseMaterial3D] make sure to set [member BaseMaterial3D.vertex_color_use_as_albedo] to [code]true[/code].
 		</member>
 		<member name="color_ramp" type="Texture2D" setter="set_color_ramp" getter="get_color_ramp">
-			Each particle's color will vary along this [GradientTexture] over its lifetime (multiplied with [member color]).
+			Each particle's color will vary along this [GradientTexture1D] over its lifetime (multiplied with [member color]).
 		</member>
 		<member name="damping_curve" type="Texture2D" setter="set_param_texture" getter="get_param_texture">
 			Damping will vary along this [CurveTexture].
diff --git a/editor/editor_resource_picker.cpp b/editor/editor_resource_picker.cpp
index f05c401f1d..4775ca418b 100644
--- a/editor/editor_resource_picker.cpp
+++ b/editor/editor_resource_picker.cpp
@@ -84,7 +84,7 @@ void EditorResourcePicker::_update_resource_preview(const String &p_path, const
 	if (p_preview.is_valid()) {
 		preview_rect->set_offset(SIDE_LEFT, assign_button->get_icon()->get_width() + assign_button->get_theme_stylebox(SNAME("normal"))->get_default_margin(SIDE_LEFT) + get_theme_constant(SNAME("hseparation"), SNAME("Button")));
 
-		if (type == "GradientTexture") {
+		if (type == "GradientTexture1D") {
 			preview_rect->set_stretch_mode(TextureRect::STRETCH_SCALE);
 			assign_button->set_custom_minimum_size(Size2(1, 1));
 		} else {
diff --git a/editor/icons/GradientTexture.svg b/editor/icons/GradientTexture1D.svg
index fa03e69805..fa03e69805 100644
--- a/editor/icons/GradientTexture.svg
+++ b/editor/icons/GradientTexture1D.svg
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
index bf26ec1f20..80c17b6e88 100644
--- a/scene/2d/cpu_particles_2d.cpp
+++ b/scene/2d/cpu_particles_2d.cpp
@@ -1168,7 +1168,7 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
 
 	set_color(material->get_color());
 
-	Ref<GradientTexture> gt = material->get_color_ramp();
+	Ref<GradientTexture1D> gt = material->get_color_ramp();
 	if (gt.is_valid()) {
 		set_color_ramp(gt->get_gradient());
 	}
diff --git a/scene/3d/cpu_particles_3d.cpp b/scene/3d/cpu_particles_3d.cpp
index 5f13ed3c66..d347d24c2c 100644
--- a/scene/3d/cpu_particles_3d.cpp
+++ b/scene/3d/cpu_particles_3d.cpp
@@ -1328,7 +1328,7 @@ void CPUParticles3D::convert_from_particles(Node *p_particles) {
 
 	set_color(material->get_color());
 
-	Ref<GradientTexture> gt = material->get_color_ramp();
+	Ref<GradientTexture1D> gt = material->get_color_ramp();
 	if (gt.is_valid()) {
 		set_color_ramp(gt->get_gradient());
 	}
diff --git a/scene/register_scene_types.cpp b/scene/register_scene_types.cpp
index d44cd7ca63..c193850a78 100644
--- a/scene/register_scene_types.cpp
+++ b/scene/register_scene_types.cpp
@@ -791,7 +791,7 @@ void register_scene_types() {
 	GDREGISTER_CLASS(MeshTexture);
 	GDREGISTER_CLASS(CurveTexture);
 	GDREGISTER_CLASS(CurveXYZTexture);
-	GDREGISTER_CLASS(GradientTexture);
+	GDREGISTER_CLASS(GradientTexture1D);
 	GDREGISTER_CLASS(GradientTexture2D);
 	GDREGISTER_CLASS(ProxyTexture);
 	GDREGISTER_CLASS(AnimatedTexture);
@@ -922,6 +922,7 @@ void register_scene_types() {
 	ClassDB::add_compatibility_class("EditorSpatialGizmo", "EditorNode3DGizmo");
 	ClassDB::add_compatibility_class("EditorSpatialGizmoPlugin", "EditorNode3DGizmoPlugin");
 	ClassDB::add_compatibility_class("Generic6DOFJoint", "Generic6DOFJoint3D");
+	ClassDB::add_compatibility_class("GradientTexture", "GradientTexture1D");
 	ClassDB::add_compatibility_class("HeightMapShape", "HeightMapShape3D");
 	ClassDB::add_compatibility_class("HingeJoint", "HingeJoint3D");
 	ClassDB::add_compatibility_class("Joint", "Joint3D");
diff --git a/scene/resources/environment.cpp b/scene/resources/environment.cpp
index ecc775df20..4c25ed589b 100644
--- a/scene/resources/environment.cpp
+++ b/scene/resources/environment.cpp
@@ -917,7 +917,7 @@ float Environment::get_adjustment_saturation() const {
 
 void Environment::set_adjustment_color_correction(Ref<Texture> p_color_correction) {
 	adjustment_color_correction = p_color_correction;
-	Ref<GradientTexture> grad_tex = p_color_correction;
+	Ref<GradientTexture1D> grad_tex = p_color_correction;
 	if (grad_tex.is_valid()) {
 		if (!grad_tex->is_connected(CoreStringNames::get_singleton()->changed, callable_mp(this, &Environment::_update_adjustment))) {
 			grad_tex->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &Environment::_update_adjustment));
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index d9ec0bfd69..e77f5a0be7 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -1413,7 +1413,7 @@ void ParticlesMaterial::_bind_methods() {
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "scale_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture,CurveXYZTexture"), "set_param_texture", "get_param_texture", PARAM_SCALE);
 	ADD_GROUP("Color", "");
 	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture"), "set_color_ramp", "get_color_ramp");
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture1D"), "set_color_ramp", "get_color_ramp");
 
 	ADD_GROUP("Hue Variation", "hue_");
 	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION);
diff --git a/scene/resources/texture.cpp b/scene/resources/texture.cpp
index 485074e283..6a2310a0bc 100644
--- a/scene/resources/texture.cpp
+++ b/scene/resources/texture.cpp
@@ -1729,53 +1729,53 @@ CurveXYZTexture::~CurveXYZTexture() {
 
 //////////////////
 
-GradientTexture::GradientTexture() {
+GradientTexture1D::GradientTexture1D() {
 	_queue_update();
 }
 
-GradientTexture::~GradientTexture() {
+GradientTexture1D::~GradientTexture1D() {
 	if (texture.is_valid()) {
 		RS::get_singleton()->free(texture);
 	}
 }
 
-void GradientTexture::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("set_gradient", "gradient"), &GradientTexture::set_gradient);
-	ClassDB::bind_method(D_METHOD("get_gradient"), &GradientTexture::get_gradient);
+void GradientTexture1D::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_gradient", "gradient"), &GradientTexture1D::set_gradient);
+	ClassDB::bind_method(D_METHOD("get_gradient"), &GradientTexture1D::get_gradient);
 
-	ClassDB::bind_method(D_METHOD("set_width", "width"), &GradientTexture::set_width);
+	ClassDB::bind_method(D_METHOD("set_width", "width"), &GradientTexture1D::set_width);
 	// The `get_width()` method is already exposed by the parent class Texture2D.
 
-	ClassDB::bind_method(D_METHOD("set_use_hdr", "enabled"), &GradientTexture::set_use_hdr);
-	ClassDB::bind_method(D_METHOD("is_using_hdr"), &GradientTexture::is_using_hdr);
+	ClassDB::bind_method(D_METHOD("set_use_hdr", "enabled"), &GradientTexture1D::set_use_hdr);
+	ClassDB::bind_method(D_METHOD("is_using_hdr"), &GradientTexture1D::is_using_hdr);
 
-	ClassDB::bind_method(D_METHOD("_update"), &GradientTexture::_update);
+	ClassDB::bind_method(D_METHOD("_update"), &GradientTexture1D::_update);
 
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "gradient", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_gradient", "get_gradient");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "width", PROPERTY_HINT_RANGE, "1,4096"), "set_width", "get_width");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_hdr"), "set_use_hdr", "is_using_hdr");
 }
 
-void GradientTexture::set_gradient(Ref<Gradient> p_gradient) {
+void GradientTexture1D::set_gradient(Ref<Gradient> p_gradient) {
 	if (p_gradient == gradient) {
 		return;
 	}
 	if (gradient.is_valid()) {
-		gradient->disconnect(CoreStringNames::get_singleton()->changed, callable_mp(this, &GradientTexture::_update));
+		gradient->disconnect(CoreStringNames::get_singleton()->changed, callable_mp(this, &GradientTexture1D::_update));
 	}
 	gradient = p_gradient;
 	if (gradient.is_valid()) {
-		gradient->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &GradientTexture::_update));
+		gradient->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &GradientTexture1D::_update));
 	}
 	_update();
 	emit_changed();
 }
 
-Ref<Gradient> GradientTexture::get_gradient() const {
+Ref<Gradient> GradientTexture1D::get_gradient() const {
 	return gradient;
 }
 
-void GradientTexture::_queue_update() {
+void GradientTexture1D::_queue_update() {
 	if (update_pending) {
 		return;
 	}
@@ -1784,7 +1784,7 @@ void GradientTexture::_queue_update() {
 	call_deferred(SNAME("_update"));
 }
 
-void GradientTexture::_update() {
+void GradientTexture1D::_update() {
 	update_pending = false;
 
 	if (gradient.is_null()) {
@@ -1839,17 +1839,17 @@ void GradientTexture::_update() {
 	emit_changed();
 }
 
-void GradientTexture::set_width(int p_width) {
+void GradientTexture1D::set_width(int p_width) {
 	ERR_FAIL_COND(p_width <= 0);
 	width = p_width;
 	_queue_update();
 }
 
-int GradientTexture::get_width() const {
+int GradientTexture1D::get_width() const {
 	return width;
 }
 
-void GradientTexture::set_use_hdr(bool p_enabled) {
+void GradientTexture1D::set_use_hdr(bool p_enabled) {
 	if (p_enabled == use_hdr) {
 		return;
 	}
@@ -1858,11 +1858,11 @@ void GradientTexture::set_use_hdr(bool p_enabled) {
 	_queue_update();
 }
 
-bool GradientTexture::is_using_hdr() const {
+bool GradientTexture1D::is_using_hdr() const {
 	return use_hdr;
 }
 
-Ref<Image> GradientTexture::get_image() const {
+Ref<Image> GradientTexture1D::get_image() const {
 	if (!texture.is_valid()) {
 		return Ref<Image>();
 	}
diff --git a/scene/resources/texture.h b/scene/resources/texture.h
index 51567124c6..dac5aa0abf 100644
--- a/scene/resources/texture.h
+++ b/scene/resources/texture.h
@@ -669,8 +669,8 @@ public:
 	~CurveXYZTexture();
 };
 
-class GradientTexture : public Texture2D {
-	GDCLASS(GradientTexture, Texture2D);
+class GradientTexture1D : public Texture2D {
+	GDCLASS(GradientTexture1D, Texture2D);
 
 public:
 	struct Point {
@@ -710,8 +710,8 @@ public:
 
 	virtual Ref<Image> get_image() const override;
 
-	GradientTexture();
-	virtual ~GradientTexture();
+	GradientTexture1D();
+	virtual ~GradientTexture1D();
 };
 
 class GradientTexture2D : public Texture2D {