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MaterialX 1.39.1
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MaterialX 1.39.1
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Class handling the shader generation implementation for a node. More...
#include <ShaderNodeImpl.h>
Public Member Functions | |
| virtual const string & | getTarget () const |
| Return an identifier for the target used by this implementation. More... | |
| virtual void | initialize (const InterfaceElement &element, GenContext &context) |
| Initialize with the given implementation element. More... | |
| const string & | getName () const |
| Return the name of this implementation. | |
| size_t | getHash () const |
| Return a hash for this implementation. More... | |
| virtual void | addInputs (ShaderNode &node, GenContext &context) const |
| Add additional inputs on a node. More... | |
| virtual void | setValues (const Node &node, ShaderNode &shaderNode, GenContext &context) const |
| Set values for additional inputs on a node. More... | |
| virtual void | addClassification (ShaderNode &node) const |
| Add additional classifications on a node. More... | |
| virtual void | createVariables (const ShaderNode &node, GenContext &context, Shader &shader) const |
| Create shader variables needed for the implementation of this node (e.g. More... | |
| virtual void | emitFunctionDefinition (const ShaderNode &node, GenContext &context, ShaderStage &stage) const |
| Emit function definition for the given node instance. More... | |
| virtual void | emitFunctionCall (const ShaderNode &node, GenContext &context, ShaderStage &stage) const |
| Emit the function call or inline source code for given node instance in the given context. More... | |
| virtual void | emitOutputVariables (const ShaderNode &node, GenContext &context, ShaderStage &stage) const |
| Emit declaration and initialization of output variables to use in a function call. | |
| virtual ShaderGraph * | getGraph () const |
| Return a pointer to the graph if this implementation is using a graph, or returns nullptr otherwise. More... | |
| virtual bool | isEditable (const ShaderInput &) const |
| Returns true if an input is editable by users. More... | |
| virtual bool | isEditable (const ShaderGraphInputSocket &) const |
| Returns true if a graph input is accessible by users. More... | |
Protected Member Functions | |
| ShaderNodeImpl () | |
| Protected constructor. | |
Protected Attributes | |
| string | _name |
| size_t | _hash |
Class handling the shader generation implementation for a node.
Responsible for emitting the function definition and function call that is the node implementation.
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virtual |
Add additional classifications on a node.
Reimplemented in ClosureCompoundNode, and MaterialNode.
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Add additional inputs on a node.
Reimplemented in HwImageNode.
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Create shader variables needed for the implementation of this node (e.g.
uniforms, inputs and outputs). Used if the node requires input data from the application.
Reimplemented in HeightToNormalNodeGlsl, GeomColorNodeGlsl, GeomPropValueNodeGlsl, GeomPropValueNodeGlslAsUniform, LightCompoundNodeGlsl, LightNodeGlsl, LightShaderNodeGlsl, NumLightsNodeGlsl, SurfaceNodeGlsl, CompoundNode, ConvolutionNode, HwBitangentNode, HwFrameNode, HwNormalNode, HwPositionNode, HwTangentNode, HwTexCoordNode, HwTimeNode, HwTransformNode, and HwViewDirectionNode.
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Emit the function call or inline source code for given node instance in the given context.
Reimplemented in GeomColorNodeGlsl, GeomPropValueNodeGlsl, GeomPropValueNodeGlslAsUniform, HeightToNormalNodeGlsl, LightCompoundNodeGlsl, LightNodeGlsl, LightShaderNodeGlsl, SurfaceNodeGlsl, UnlitSurfaceNodeGlsl, BlurNode, ClosureAddNode, ClosureCompoundNode, ClosureLayerNode, ClosureMixNode, ClosureMultiplyNode, ClosureSourceCodeNode, CompoundNode, HwBitangentNode, HwFrameNode, HwNormalNode, HwPositionNode, HwTangentNode, HwTexCoordNode, HwTimeNode, HwTransformNode, HwViewDirectionNode, MaterialNode, and SourceCodeNode.
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virtual |
Emit function definition for the given node instance.
Reimplemented in HeightToNormalNodeGlsl, LightCompoundNodeGlsl, LightSamplerNodeGlsl, NumLightsNodeGlsl, BlurNode, ClosureCompoundNode, CompoundNode, and SourceCodeNode.
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Return a pointer to the graph if this implementation is using a graph, or returns nullptr otherwise.
Reimplemented in CompoundNode.
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inline |
Return a hash for this implementation.
The hash should correspond to the function signature generated for the node, and can be used to compare implementations, e.g. to query if an identical function has already been emitted during shader generation.
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inlinevirtual |
Return an identifier for the target used by this implementation.
By default an empty string is returned, representing all targets. Only override this method if your derived node implementation class is for a specific target.
Reimplemented in GlslImplementation, HeightToNormalNodeGlsl, LightCompoundNodeGlsl, and LightShaderNodeGlsl.
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Initialize with the given implementation element.
Initialization must set the name and hash for the implementation, as well as any other data needed to emit code for the node.
Reimplemented in LightCompoundNodeGlsl, LightShaderNodeGlsl, CompoundNode, and SourceCodeNode.
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inlinevirtual |
Returns true if a graph input is accessible by users.
Accessible inputs are allowed to be published as shader uniforms and hence must be presentable in a user interface. By default all graph inputs are considered to be acessible.
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inlinevirtual |
Returns true if an input is editable by users.
Editable inputs are allowed to be published as shader uniforms and hence must be presentable in a user interface. By default all inputs are considered to be editable.
Reimplemented in GeomPropValueNodeGlsl, and HwImplementation.
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virtual |
Set values for additional inputs on a node.
Reimplemented in HwImageNode.
1.9.5