Add `uint` type support to visual shaders

9 files changed, 158 insertions, 29 deletions

diff --git a/doc/classes/VisualShader.xml b/doc/classes/VisualShader.xml
index a2089ae2b8..2d59810a5f 100644
--- a/doc/classes/VisualShader.xml
+++ b/doc/classes/VisualShader.xml
@@ -208,17 +208,19 @@
 		</constant>
 		<constant name="VARYING_TYPE_INT" value="1" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_VECTOR_2D" value="2" enum="VaryingType">
+		<constant name="VARYING_TYPE_UINT" value="2" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_VECTOR_3D" value="3" enum="VaryingType">
+		<constant name="VARYING_TYPE_VECTOR_2D" value="3" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_VECTOR_4D" value="4" enum="VaryingType">
+		<constant name="VARYING_TYPE_VECTOR_3D" value="4" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_BOOLEAN" value="5" enum="VaryingType">
+		<constant name="VARYING_TYPE_VECTOR_4D" value="5" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_TRANSFORM" value="6" enum="VaryingType">
+		<constant name="VARYING_TYPE_BOOLEAN" value="6" enum="VaryingType">
 		</constant>
-		<constant name="VARYING_TYPE_MAX" value="7" enum="VaryingType">
+		<constant name="VARYING_TYPE_TRANSFORM" value="7" enum="VaryingType">
+		</constant>
+		<constant name="VARYING_TYPE_MAX" value="8" enum="VaryingType">
 		</constant>
 		<constant name="NODE_ID_INVALID" value="-1">
 		</constant>
diff --git a/doc/classes/VisualShaderNode.xml b/doc/classes/VisualShaderNode.xml
index 1f3397f39c..f95f871e52 100644
--- a/doc/classes/VisualShaderNode.xml
+++ b/doc/classes/VisualShaderNode.xml
@@ -72,25 +72,28 @@
 		<constant name="PORT_TYPE_SCALAR_INT" value="1" enum="PortType">
 			Integer scalar. Translated to [code]int[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_VECTOR_2D" value="2" enum="PortType">
+		<constant name="PORT_TYPE_SCALAR_UINT" value="2" enum="PortType">
+			Unsigned integer scalar. Translated to [code]uint[/code] type in shader code.
+		</constant>
+		<constant name="PORT_TYPE_VECTOR_2D" value="3" enum="PortType">
 			2D vector of floating-point values. Translated to [code]vec2[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_VECTOR_3D" value="3" enum="PortType">
+		<constant name="PORT_TYPE_VECTOR_3D" value="4" enum="PortType">
 			3D vector of floating-point values. Translated to [code]vec3[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_VECTOR_4D" value="4" enum="PortType">
+		<constant name="PORT_TYPE_VECTOR_4D" value="5" enum="PortType">
 			4D vector of floating-point values. Translated to [code]vec4[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_BOOLEAN" value="5" enum="PortType">
+		<constant name="PORT_TYPE_BOOLEAN" value="6" enum="PortType">
 			Boolean type. Translated to [code]bool[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_TRANSFORM" value="6" enum="PortType">
+		<constant name="PORT_TYPE_TRANSFORM" value="7" enum="PortType">
 			Transform type. Translated to [code]mat4[/code] type in shader code.
 		</constant>
-		<constant name="PORT_TYPE_SAMPLER" value="7" enum="PortType">
+		<constant name="PORT_TYPE_SAMPLER" value="8" enum="PortType">
 			Sampler type. Translated to reference of sampler uniform in shader code. Can only be used for input ports in non-uniform nodes.
 		</constant>
-		<constant name="PORT_TYPE_MAX" value="8" enum="PortType">
+		<constant name="PORT_TYPE_MAX" value="9" enum="PortType">
 			Represents the size of the [enum PortType] enum.
 		</constant>
 	</constants>
diff --git a/doc/classes/VisualShaderNodeClamp.xml b/doc/classes/VisualShaderNodeClamp.xml
index 35f50a37c3..642a98ec8c 100644
--- a/doc/classes/VisualShaderNodeClamp.xml
+++ b/doc/classes/VisualShaderNodeClamp.xml
@@ -20,16 +20,19 @@
 		<constant name="OP_TYPE_INT" value="1" enum="OpType">
 			An integer scalar.
 		</constant>
-		<constant name="OP_TYPE_VECTOR_2D" value="2" enum="OpType">
+		<constant name="OP_TYPE_UINT" value="2" enum="OpType">
+			An unsigned integer scalar.
+		</constant>
+		<constant name="OP_TYPE_VECTOR_2D" value="3" enum="OpType">
 			A 2D vector type.
 		</constant>
-		<constant name="OP_TYPE_VECTOR_3D" value="3" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_3D" value="4" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_VECTOR_4D" value="4" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="5" enum="OpType">
 			A 4D vector type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="5" enum="OpType">
+		<constant name="OP_TYPE_MAX" value="6" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>
diff --git a/doc/classes/VisualShaderNodeCompare.xml b/doc/classes/VisualShaderNodeCompare.xml
index 942ced2ebd..19ed42d1c7 100644
--- a/doc/classes/VisualShaderNodeCompare.xml
+++ b/doc/classes/VisualShaderNodeCompare.xml
@@ -26,22 +26,25 @@
 		<constant name="CTYPE_SCALAR_INT" value="1" enum="ComparisonType">
 			An integer scalar.
 		</constant>
-		<constant name="CTYPE_VECTOR_2D" value="2" enum="ComparisonType">
+		<constant name="CTYPE_SCALAR_UINT" value="2" enum="ComparisonType">
+			An unsigned integer scalar.
+		</constant>
+		<constant name="CTYPE_VECTOR_2D" value="3" enum="ComparisonType">
 			A 2D vector type.
 		</constant>
-		<constant name="CTYPE_VECTOR_3D" value="3" enum="ComparisonType">
+		<constant name="CTYPE_VECTOR_3D" value="4" enum="ComparisonType">
 			A 3D vector type.
 		</constant>
-		<constant name="CTYPE_VECTOR_4D" value="4" enum="ComparisonType">
+		<constant name="CTYPE_VECTOR_4D" value="5" enum="ComparisonType">
 			A 4D vector type.
 		</constant>
-		<constant name="CTYPE_BOOLEAN" value="5" enum="ComparisonType">
+		<constant name="CTYPE_BOOLEAN" value="6" enum="ComparisonType">
 			A boolean type.
 		</constant>
-		<constant name="CTYPE_TRANSFORM" value="6" enum="ComparisonType">
+		<constant name="CTYPE_TRANSFORM" value="7" enum="ComparisonType">
 			A transform ([code]mat4[/code]) type.
 		</constant>
-		<constant name="CTYPE_MAX" value="7" enum="ComparisonType">
+		<constant name="CTYPE_MAX" value="8" enum="ComparisonType">
 			Represents the size of the [enum ComparisonType] enum.
 		</constant>
 		<constant name="FUNC_EQUAL" value="0" enum="Function">
diff --git a/doc/classes/VisualShaderNodeSwitch.xml b/doc/classes/VisualShaderNodeSwitch.xml
index e74ff6e162..3fda4eb2b8 100644
--- a/doc/classes/VisualShaderNodeSwitch.xml
+++ b/doc/classes/VisualShaderNodeSwitch.xml
@@ -20,22 +20,25 @@
 		<constant name="OP_TYPE_INT" value="1" enum="OpType">
 			An integer scalar.
 		</constant>
-		<constant name="OP_TYPE_VECTOR_2D" value="2" enum="OpType">
+		<constant name="OP_TYPE_UINT" value="2" enum="OpType">
+			An unsigned integer scalar.
+		</constant>
+		<constant name="OP_TYPE_VECTOR_2D" value="3" enum="OpType">
 			A 2D vector type.
 		</constant>
-		<constant name="OP_TYPE_VECTOR_3D" value="3" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_3D" value="4" enum="OpType">
 			A 3D vector type.
 		</constant>
-		<constant name="OP_TYPE_VECTOR_4D" value="4" enum="OpType">
+		<constant name="OP_TYPE_VECTOR_4D" value="5" enum="OpType">
 			A 4D vector type.
 		</constant>
-		<constant name="OP_TYPE_BOOLEAN" value="5" enum="OpType">
+		<constant name="OP_TYPE_BOOLEAN" value="6" enum="OpType">
 			A boolean type.
 		</constant>
-		<constant name="OP_TYPE_TRANSFORM" value="6" enum="OpType">
+		<constant name="OP_TYPE_TRANSFORM" value="7" enum="OpType">
 			A transform type.
 		</constant>
-		<constant name="OP_TYPE_MAX" value="7" enum="OpType">
+		<constant name="OP_TYPE_MAX" value="8" enum="OpType">
 			Represents the size of the [enum OpType] enum.
 		</constant>
 	</constants>
diff --git a/doc/classes/VisualShaderNodeUIntConstant.xml b/doc/classes/VisualShaderNodeUIntConstant.xml
new file mode 100644
index 0000000000..926e4e11d2
--- /dev/null
+++ b/doc/classes/VisualShaderNodeUIntConstant.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeUIntConstant" inherits="VisualShaderNodeConstant" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+	<brief_description>
+		An unsigned scalar integer constant to be used within the visual shader graph.
+	</brief_description>
+	<description>
+		Translated to [code]uint[/code] in the shader language.
+	</description>
+	<tutorials>
+	</tutorials>
+	<members>
+		<member name="constant" type="int" setter="set_constant" getter="get_constant" default="0">
+			An unsigned integer constant which represents a state of this node.
+		</member>
+	</members>
+</class>
diff --git a/doc/classes/VisualShaderNodeUIntFunc.xml b/doc/classes/VisualShaderNodeUIntFunc.xml
new file mode 100644
index 0000000000..c0c591304a
--- /dev/null
+++ b/doc/classes/VisualShaderNodeUIntFunc.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeUIntFunc" inherits="VisualShaderNode" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+	<brief_description>
+		An unsigned scalar integer function to be used within the visual shader graph.
+	</brief_description>
+	<description>
+		Accept an unsigned integer scalar ([code]x[/code]) to the input port and transform it according to [member function].
+	</description>
+	<tutorials>
+	</tutorials>
+	<members>
+		<member name="function" type="int" setter="set_function" getter="get_function" enum="VisualShaderNodeUIntFunc.Function" default="0">
+			A function to be applied to the scalar. See [enum Function] for options.
+		</member>
+	</members>
+	<constants>
+		<constant name="FUNC_NEGATE" value="0" enum="Function">
+			Negates the [code]x[/code] using [code]-(x)[/code].
+		</constant>
+		<constant name="FUNC_BITWISE_NOT" value="1" enum="Function">
+			Returns the result of bitwise [code]NOT[/code] operation on the integer. Translates to [code]~a[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="FUNC_MAX" value="2" enum="Function">
+			Represents the size of the [enum Function] enum.
+		</constant>
+	</constants>
+</class>
diff --git a/doc/classes/VisualShaderNodeUIntOp.xml b/doc/classes/VisualShaderNodeUIntOp.xml
new file mode 100644
index 0000000000..44f71286e3
--- /dev/null
+++ b/doc/classes/VisualShaderNodeUIntOp.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeUIntOp" inherits="VisualShaderNode" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+	<brief_description>
+		An unsigned integer scalar operator to be used within the visual shader graph.
+	</brief_description>
+	<description>
+		Applies [member operator] to two unsigned integer inputs: [code]a[/code] and [code]b[/code].
+	</description>
+	<tutorials>
+	</tutorials>
+	<members>
+		<member name="operator" type="int" setter="set_operator" getter="get_operator" enum="VisualShaderNodeUIntOp.Operator" default="0">
+			An operator to be applied to the inputs. See [enum Operator] for options.
+		</member>
+	</members>
+	<constants>
+		<constant name="OP_ADD" value="0" enum="Operator">
+			Sums two numbers using [code]a + b[/code].
+		</constant>
+		<constant name="OP_SUB" value="1" enum="Operator">
+			Subtracts two numbers using [code]a - b[/code].
+		</constant>
+		<constant name="OP_MUL" value="2" enum="Operator">
+			Multiplies two numbers using [code]a * b[/code].
+		</constant>
+		<constant name="OP_DIV" value="3" enum="Operator">
+			Divides two numbers using [code]a / b[/code].
+		</constant>
+		<constant name="OP_MOD" value="4" enum="Operator">
+			Calculates the remainder of two numbers using [code]a % b[/code].
+		</constant>
+		<constant name="OP_MAX" value="5" enum="Operator">
+			Returns the greater of two numbers. Translates to [code]max(a, b)[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_MIN" value="6" enum="Operator">
+			Returns the lesser of two numbers. Translates to [code]max(a, b)[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_BITWISE_AND" value="7" enum="Operator">
+			Returns the result of bitwise [code]AND[/code] operation on the integer. Translates to [code]a &amp; b[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_BITWISE_OR" value="8" enum="Operator">
+			Returns the result of bitwise [code]OR[/code] operation for two integers. Translates to [code]a | b[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_BITWISE_XOR" value="9" enum="Operator">
+			Returns the result of bitwise [code]XOR[/code] operation for two integers. Translates to [code]a ^ b[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_BITWISE_LEFT_SHIFT" value="10" enum="Operator">
+			Returns the result of bitwise left shift operation on the integer. Translates to [code]a &lt;&lt; b[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_BITWISE_RIGHT_SHIFT" value="11" enum="Operator">
+			Returns the result of bitwise right shift operation on the integer. Translates to [code]a &gt;&gt; b[/code] in the Godot Shader Language.
+		</constant>
+		<constant name="OP_ENUM_SIZE" value="12" enum="Operator">
+			Represents the size of the [enum Operator] enum.
+		</constant>
+	</constants>
+</class>
diff --git a/doc/classes/VisualShaderNodeUIntParameter.xml b/doc/classes/VisualShaderNodeUIntParameter.xml
new file mode 100644
index 0000000000..3b549c84f7
--- /dev/null
+++ b/doc/classes/VisualShaderNodeUIntParameter.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeUIntParameter" inherits="VisualShaderNodeParameter" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+	<brief_description>
+	</brief_description>
+	<description>
+	</description>
+	<tutorials>
+	</tutorials>
+	<members>
+		<member name="default_value" type="int" setter="set_default_value" getter="get_default_value" default="0">
+		</member>
+		<member name="default_value_enabled" type="bool" setter="set_default_value_enabled" getter="is_default_value_enabled" default="false">
+		</member>
+	</members>
+</class>