Removed the legacy shader build system

tasks/glslunit.js

@@ -1,146 +0,0 @@
-const fs = require('fs');
-
-const ESCAPE_SEQUENCE = {
-  '\\': '\\\\',
-  '\n': '\\n',
-  '\t': '\\t'
-};
-
-function js_escape(s) {
-  return s.split('').map(function(c) {
-    return ESCAPE_SEQUENCE[c] || c;
-  }).join('');
-}
-
-function glsl_compress(s, shortNames) {
-  // strip leading whitespace
-  s = s.replace(/^\s+/g, '');
-  // strip trailing whitespace
-  s = s.replace(/\s+$/g, '');
-  // strip multi-line comments
-  s = s.replace(/\/\*[\s\S]*?\*\//g, '');
-  // strip single line comments
-  s = s.replace(/\/\/.*?\n/g, '');
-  // replace multiple whitespace with a single space
-  s = s.replace(/\s+/g, ' ');
-  // remove whitespace between non-word tokens
-  s = s.replace(/(\S)\s+([^\w])/g, '$1$2')
-    .replace(/([^\w])\s+(\S)/g, '$1$2');
-  // replace original names with short names
-  for (const originalName in shortNames) {
-    s = s.replace(new RegExp(originalName, 'gm'), shortNames[originalName]);
-  }
-  return s;
-}
-
-function main(argv) {
-  const options = {};
-  for (let i = 2, ii = argv.length; i < ii; i += 2) {
-    options[argv[i].replace(/^../, '')] = argv[i + 1];
-  }
-  if (!options.input) {
-    process.stdout.write('--input option missing\n');
-    return 1;
-  }
-
-  const json = {};
-  let nextShortName = 'a'.charCodeAt(0);
-  const shortNames = {};
-
-  const attributes = {};
-  const uniforms = {};
-  const varyings = {};
-  const blocks = {
-    common: '',
-    vertex: '',
-    fragment: ''
-  };
-  let block = undefined;
-  const inFile = fs.readFileSync(options.input, 'utf-8');
-  const lines = inFile.split('\n');
-
-  let m, shortName;
-  lines.forEach(function(line, i) {
-    if (line.indexOf('//!') == 0) {
-      m = line.match(/\/\/!\s+MODULE=(\S+)\s*$/);
-      if (m) {
-        json.module = m[1];
-        return;
-      }
-      m = line.match(/\/\/!\s+COMMON\s*$/);
-      if (m) {
-        block = 'common';
-        return;
-      }
-      m = line.match(/\/\/!\s+VERTEX\s*$/);
-      if (m) {
-        block = 'vertex';
-        return;
-      }
-      m = line.match(/\/\/!\s+FRAGMENT\s*$/);
-      if (m) {
-        block = 'fragment';
-        return;
-      }
-    } else {
-      if (block === undefined) {
-        if (line.replace(/\s+$/g, '') != '') {
-          process.stdout.write(`Error parsing ${options.input}\n`);
-          return;
-        }
-      } else {
-        blocks[block] += line + (i == lines.length - 1 ? '' : '\n');
-      }
-      m = line.match(/attribute\s+\S+\s+(\S+);\s*$/);
-      if (m) {
-        const attribute = m[1];
-        if (!(attribute in attributes)) {
-          shortName = String.fromCharCode(nextShortName++);
-          attributes[attribute] = {
-            originalName: attribute,
-            shortName: shortName
-          };
-          shortNames[attribute] = shortName;
-        }
-      }
-      m = line.match(/uniform\s+\S+\s+(\S+);\s*$/);
-      if (m) {
-        const uniform = m[1];
-        if (!(uniform in uniforms)) {
-          shortName = String.fromCharCode(nextShortName++);
-          uniforms[uniform] = {
-            originalName: uniform,
-            shortName: shortName
-          };
-          shortNames[uniform] = shortName;
-        }
-      }
-      m = line.match(/varying\s+\S+\s+(\S+);\s*$/);
-      if (m) {
-        const varying = m[1];
-        if (!(varying in varyings)) {
-          shortName = String.fromCharCode(nextShortName++);
-          shortNames[varying] = shortName;
-        }
-      }
-    }
-  });
-
-  json.originalFragmentSource = js_escape(blocks.common + blocks.fragment);
-  json.originalVertexSource = js_escape(blocks.common + blocks.vertex);
-  json.fragmentSource = glsl_compress(blocks.common + blocks.fragment, shortNames);
-  json.vertexSource = glsl_compress(blocks.common + blocks.vertex, shortNames);
-  json.attributes = Object.keys(attributes).map(a => attributes[a]);
-  json.uniforms = Object.keys(uniforms).map(u => uniforms[u]);
-
-  if (options.output && options.output != '-') {
-    fs.writeFileSync(options.output, JSON.stringify(json));
-  } else {
-    process.stdout.write(JSON.stringify(json));
-  }
-  return 0;
-}
-
-if (require.main === module) {
-  process.exit(main(process.argv));
-}