lib/compilers/hlsl.ts

// Copyright (c) 2022, Compiler Explorer Authors
// All rights reserved.
//
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import path from 'path';

import {ParseFilters} from '../../types/features/filters.interfaces';
import {BaseCompiler} from '../base-compiler';

export class HLSLCompiler extends BaseCompiler {
    static get key() {
        return 'hlsl';
    }

    constructor(info: any, env: any) {
        super(info, env);

        this.compiler.supportsIntel = false;
    }

    /* eslint-disable no-unused-vars */
    override optionsForFilter(filters: ParseFilters, outputFilename: string, userOptions?: string[]): string[] {
        return [
            '-Zi', // Embed debug information to get DXIL line associations
            '-Qembed_debug', // Silences the warning associated with embedded debug information
            `-Fc ${outputFilename}`, // Output object
        ];
    }
    /* eslint-enable no-unused-vars */

    override filterUserOptions(userOptions: any) {
        // RGA supports a non-standard flag --asic [ASIC] which must be removed when compiling with DXC
        const options = userOptions.slice(0);
        // Scan for the RGA-specific argument --asic and strip it and its corresponding argument
        // Assumes the argument exists at most once (compilation will fail if supplied more than
        // once regardless)
        for (let i = 0; i !== options.length; ++i) {
            const option = options[i];
            if (option === '--asic') {
                options.splice(i, 2);
                break;
            }
        }
        return options;
    }

    override getIrOutputFilename(inputFilename: string) {
        return this.getOutputFilename(path.dirname(inputFilename), this.outputFilebase).replace('.s', '.dxil');
    }
}