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124 lines
1.9 KiB
124 lines
1.9 KiB
2 years ago
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import NodeBuilder from '../../nodes/core/NodeBuilder.js';
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import NodeSlot from '../../nodes/core/NodeSlot.js';
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class WebGLNodeBuilder extends NodeBuilder {
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constructor( material, renderer, properties ) {
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super( material, renderer );
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this.properties = properties;
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this._parseMaterial();
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}
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_parseMaterial() {
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const material = this.material;
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// parse inputs
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if ( material.colorNode !== undefined ) {
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this.addSlot( 'fragment', new NodeSlot( material.colorNode, 'COLOR', 'vec4' ) );
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}
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}
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getVaryFromNode( node, type ) {
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const vary = super.getVaryFromNode( node, type );
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if ( node.isUVNode ) {
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vary.name = 'vUv';
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}
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return vary;
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}
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getTexture( textureProperty, uvSnippet ) {
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return `sRGBToLinear( texture2D( ${textureProperty}, ${uvSnippet} ) )`;
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}
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getUniformsHeaderSnippet( shaderStage ) {
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const uniforms = this.uniforms[ shaderStage ];
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let snippet = '';
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for ( const uniform of uniforms ) {
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if ( uniform.type === 'texture' ) {
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snippet += `uniform sampler2D ${uniform.name};`;
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} else {
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const vectorType = this.getVectorType( uniform.type );
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snippet += `uniform ${vectorType} ${uniform.name};`;
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}
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}
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return snippet;
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}
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getAttributesHeaderSnippet( /*shaderStage*/ ) {
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}
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getVarsHeaderSnippet( /*shaderStage*/ ) {
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}
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getVarsBodySnippet( /*shaderStage*/ ) {
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}
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getVarysHeaderSnippet( /*shaderStage*/ ) {
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}
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getVarysBodySnippet( /*shaderStage*/ ) {
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}
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composeUniforms() {
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const uniforms = this.uniforms[ 'fragment' ];
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for ( const uniform of uniforms ) {
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this.properties.uniforms[ uniform.name ] = uniform;
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}
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}
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build() {
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super.build();
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this.properties.defines[ 'NODE_HEADER_UNIFORMS' ] = this.defines[ 'fragment' ][ 'NODE_HEADER_UNIFORMS' ];
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this.properties.defines[ 'NODE_COLOR' ] = this.defines[ 'fragment' ][ 'NODE_COLOR' ];
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this.composeUniforms();
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return this;
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}
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}
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export { WebGLNodeBuilder };
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